first submission
This commit is contained in:
qiyongshuang
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|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="NetLib"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Peripheral"/>
|
||||
<entry excluding="startup_ch32v20x_D8.S|startup_ch32v20x_D6.S" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Startup"/>
|
||||
</sourceEntries>
|
||||
</configuration>
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
|
||||
<storageModule moduleId="ilg.gnumcueclipse.managedbuild.packs"/>
|
||||
</cconfiguration>
|
||||
</storageModule>
|
||||
<storageModule moduleId="cdtBuildSystem" version="4.0.0">
|
||||
<project id="999.ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf.275846018" name="Executable file" projectType="ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf"/>
|
||||
</storageModule>
|
||||
<storageModule moduleId="scannerConfiguration">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1375371130;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.1473381709">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
</scannerConfigBuildInfo>
|
||||
<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1731377187;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.2036806839">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
</scannerConfigBuildInfo>
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
|
||||
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
|
||||
|
||||
</cproject>
|
||||
@@ -0,0 +1,61 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<projectDescription>
|
||||
<name>MQTT</name>
|
||||
<comment/>
|
||||
<projects/>
|
||||
<buildSpec>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
|
||||
<triggers>clean,full,incremental,</triggers>
|
||||
<arguments/>
|
||||
</buildCommand>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
|
||||
<triggers>full,incremental,</triggers>
|
||||
<arguments/>
|
||||
</buildCommand>
|
||||
</buildSpec>
|
||||
<natures>
|
||||
<nature>org.eclipse.cdt.core.cnature</nature>
|
||||
<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
|
||||
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
|
||||
</natures>
|
||||
<filteredResources>
|
||||
<filter>
|
||||
<id>1595986042669</id>
|
||||
<name/>
|
||||
<type>22</type>
|
||||
<matcher>
|
||||
<id>org.eclipse.ui.ide.multiFilter</id>
|
||||
<arguments>1.0-name-matches-false-false-*.wvproj</arguments>
|
||||
</matcher>
|
||||
</filter>
|
||||
</filteredResources>
|
||||
<linkedResources>
|
||||
<link>
|
||||
<name>NetLib</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-1-PROJECT_LOC/NetLib</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Core</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Core</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Debug</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Debug</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Peripheral</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Peripheral</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Startup</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Startup</location>
|
||||
</link>
|
||||
</linkedResources>
|
||||
</projectDescription>
|
||||
@@ -0,0 +1,14 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<project>
|
||||
<configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074" name="obj">
|
||||
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
|
||||
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
|
||||
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="1932118793668915431" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
|
||||
<language-scope id="org.eclipse.cdt.core.gcc"/>
|
||||
<language-scope id="org.eclipse.cdt.core.g++"/>
|
||||
</provider>
|
||||
</extension>
|
||||
</configuration>
|
||||
</project>
|
||||
@@ -0,0 +1,2 @@
|
||||
eclipse.preferences.version=1
|
||||
encoding//User/main.c=UTF-8
|
||||
@@ -0,0 +1,16 @@
|
||||
Mcu Type=CH32V20x
|
||||
Address=0x08000000
|
||||
Erase All=true
|
||||
Program=true
|
||||
Verify=true
|
||||
Reset=true
|
||||
|
||||
Vendor=WCH
|
||||
Link=WCH-Link
|
||||
Toolchain=RISC-V
|
||||
Series=CH32V203
|
||||
Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
|
||||
|
||||
PeripheralVersion=1.0
|
||||
MCU=CH32V203RBT6
|
||||
Target Path=obj/MQTT.hex
|
||||
@@ -0,0 +1 @@
|
||||
ENTRY( _start )␍␍__stack_size = 2048;␍␍PROVIDE( _stack_size = __stack_size );␍␍␍MEMORY␍{␍/* CH32V20x_D6 - CH32V203F6-CH32V203G6-CH32V203K6-CH32V203C6 */␍/*␍ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 32K␍ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 10K␍*/ ␍␍/* CH32V20x_D6 - CH32V203K8-CH32V203C8-CH32V203G8-CH32V203F8 */␍␍/* FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 64K␍ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K␍*/ ␍ ␍/* CH32V20x_D8 - CH32V203RB␍ CH32V20x_D8W - CH32V208x␍ FLASH + RAM supports the following configuration␍ FLASH-128K + RAM-64K␍ FLASH-144K + RAM-48K␍ FLASH-160K + RAM-32K␍*/␍ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 128K␍ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 64K␍␍}␍␍␍SECTIONS␍{␍␍ .init :␍ {␍ _sinit = .;␍ . = ALIGN(4);␍ KEEP(*(SORT_NONE(.init)))␍ . = ALIGN(4);␍ _einit = .;␍ } >FLASH AT>FLASH␍␍ .vector :␍ {␍ *(.vector);␍ . = ALIGN(64);␍ } >FLASH AT>FLASH␍␍ .text :␍ {␍ . = ALIGN(4);␍ *(.text)␍ *(.text.*)␍ *(.rodata)␍ *(.rodata*)␍ *(.gnu.linkonce.t.*)␍ . = ALIGN(4);␍ } >FLASH AT>FLASH ␍␍ .fini :␍ {␍ KEEP(*(SORT_NONE(.fini)))␍ . = ALIGN(4);␍ } >FLASH AT>FLASH␍␍ PROVIDE( _etext = . );␍ PROVIDE( _eitcm = . ); ␍␍ .preinit_array :␍ {␍ PROVIDE_HIDDEN (__preinit_array_start = .);␍ KEEP (*(.preinit_array))␍ PROVIDE_HIDDEN (__preinit_array_end = .);␍ } >FLASH AT>FLASH ␍ ␍ .init_array :␍ {␍ PROVIDE_HIDDEN (__init_array_start = .);␍ KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))␍ KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))␍ PROVIDE_HIDDEN (__init_array_end = .);␍ } >FLASH AT>FLASH ␍ ␍ .fini_array :␍ {␍ PROVIDE_HIDDEN (__fini_array_start = .);␍ KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))␍ KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))␍ PROVIDE_HIDDEN (__fini_array_end = .);␍ } >FLASH AT>FLASH ␍ ␍ .ctors :␍ {␍ /* gcc uses crtbegin.o to find the start of␍ the constructors, so we make sure it is␍ first. Because this is a wildcard, it␍ doesn't matter if the user does not␍ actually link against crtbegin.o; the␍ linker won't look for a file to match a␍ wildcard. The wildcard also means that it␍ doesn't matter which directory crtbegin.o␍ is in. */␍ KEEP (*crtbegin.o(.ctors))␍ KEEP (*crtbegin?.o(.ctors))␍ /* We don't want to include the .ctor section from␍ the crtend.o file until after the sorted ctors.␍ The .ctor section from the crtend file contains the␍ end of ctors marker and it must be last */␍ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))␍ KEEP (*(SORT(.ctors.*)))␍ KEEP (*(.ctors))␍ } >FLASH AT>FLASH ␍ ␍ .dtors :␍ {␍ KEEP (*crtbegin.o(.dtors))␍ KEEP (*crtbegin?.o(.dtors))␍ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))␍ KEEP (*(SORT(.dtors.*)))␍ KEEP (*(.dtors))␍ } >FLASH AT>FLASH ␍␍ .dalign :␍ {␍ . = ALIGN(4);␍ PROVIDE(_data_vma = .);␍ } >RAM AT>FLASH ␍␍ .dlalign :␍ {␍ . = ALIGN(4); ␍ PROVIDE(_data_lma = .);␍ } >FLASH AT>FLASH␍␍ .data :␍ {␍ *(.gnu.linkonce.r.*)␍ *(.data .data.*)␍ *(.gnu.linkonce.d.*)␍ . = ALIGN(8);␍ PROVIDE( __global_pointer$ = . + 0x800 );␍ *(.sdata .sdata.*)␍ *(.sdata2.*)␍ *(.gnu.linkonce.s.*)␍ . = ALIGN(8);␍ *(.srodata.cst16)␍ *(.srodata.cst8)␍ *(.srodata.cst4)␍ *(.srodata.cst2)␍ *(.srodata .srodata.*)␍ . = ALIGN(4);␍ PROVIDE( _edata = .);␍ } >RAM AT>FLASH␍␍ .bss :␍ {␍ . = ALIGN(4);␍ PROVIDE( _sbss = .);␍ *(.sbss*)␍ *(.gnu.linkonce.sb.*)␍ *(.bss*)␍ *(.gnu.linkonce.b.*) ␍ *(COMMON*)␍ . = ALIGN(4);␍ PROVIDE( _ebss = .);␍ } >RAM AT>FLASH␍␍ PROVIDE( _end = _ebss);␍ PROVIDE( end = . );␍␍ .stack ORIGIN(RAM) + LENGTH(RAM) - __stack_size :␍ {␍ PROVIDE( _heap_end = . );␍ . = ALIGN(4);␍ PROVIDE(_susrstack = . );␍ . = . + __stack_size;␍ PROVIDE( _eusrstack = .);␍ } >RAM ␍␍}␍␍␍␍
|
||||
@@ -0,0 +1,2 @@
|
||||
�i“CZ ?"Ç�¸rŸ�F<Fy8E9Y‡½„%P a³D¶La† %Ã'y€¡]Ç;’¶ ŸS)1†1+R4><‚.„ÇÅ¿º° ?/£XO©Ä¿ChQN$*¢”»EÅBk‹!2tŒ+buh†nUb]xl‹l|
|
||||
+"Ÿ<“¯AH42}z8p;m€u 1Ž-¦eh»Od¼Âwµª7x{5�CqEx©=;¦¢e¢º»2£Š ‚«* BP Mš"
|
||||
@@ -0,0 +1,199 @@
|
||||
#include "MQTTPacket.h"
|
||||
#include "StackTrace.h"
|
||||
|
||||
#include <string.h>
|
||||
|
||||
/**
|
||||
* Determines the length of the MQTT connect packet that would be produced using the supplied connect options.
|
||||
* @param options the options to be used to build the connect packet
|
||||
* @return the length of buffer needed to contain the serialized version of the packet
|
||||
*/
|
||||
int MQTTSerialize_connectLength(MQTTPacket_connectData* options)
|
||||
{
|
||||
int len = 0;
|
||||
|
||||
FUNC_ENTRY;
|
||||
|
||||
if (options->MQTTVersion == 3)
|
||||
len = 12; /* variable depending on MQTT or MQIsdp */
|
||||
else if (options->MQTTVersion == 4)
|
||||
len = 10;
|
||||
|
||||
len += MQTTstrlen(options->clientID)+2;
|
||||
if (options->willFlag)
|
||||
len += MQTTstrlen(options->will.topicName)+2 + MQTTstrlen(options->will.message)+2;
|
||||
if (options->username.cstring || options->username.lenstring.data)
|
||||
len += MQTTstrlen(options->username)+2;
|
||||
if (options->password.cstring || options->password.lenstring.data)
|
||||
len += MQTTstrlen(options->password)+2;
|
||||
|
||||
FUNC_EXIT_RC(len);
|
||||
return len;
|
||||
}
|
||||
|
||||
/**
|
||||
* Serializes the connect options into the buffer.
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param len the length in bytes of the supplied buffer
|
||||
* @param options the options to be used to build the connect packet
|
||||
* @return serialized length, or error if 0
|
||||
*/
|
||||
int MQTTSerialize_connect(unsigned char* buf, int buflen, MQTTPacket_connectData* options)
|
||||
{
|
||||
unsigned char *ptr = buf;
|
||||
MQTTHeader header = {0};
|
||||
MQTTConnectFlags flags = {0};
|
||||
int len = 0;
|
||||
int rc = -1;
|
||||
|
||||
FUNC_ENTRY;
|
||||
if (MQTTPacket_len(len = MQTTSerialize_connectLength(options)) > buflen)
|
||||
{
|
||||
rc = MQTTPACKET_BUFFER_TOO_SHORT;
|
||||
printf("exit\n");
|
||||
goto exit;
|
||||
}
|
||||
|
||||
header.byte = 0;
|
||||
header.bits.type = CONNECT;
|
||||
writeChar(&ptr, header.byte); /* write header */
|
||||
|
||||
ptr += MQTTPacket_encode(ptr, len); /* write remaining length */
|
||||
|
||||
if (options->MQTTVersion == 4)
|
||||
{
|
||||
writeCString(&ptr, "MQTT");
|
||||
writeChar(&ptr, (char) 4);
|
||||
}
|
||||
else
|
||||
{
|
||||
writeCString(&ptr, "MQIsdp");
|
||||
writeChar(&ptr, (char) 3);
|
||||
}
|
||||
|
||||
flags.all = 0;
|
||||
flags.bits.cleansession = options->cleansession;
|
||||
flags.bits.will = (options->willFlag) ? 1 : 0;
|
||||
if (flags.bits.will)
|
||||
{
|
||||
flags.bits.willQoS = options->will.qos;
|
||||
flags.bits.willRetain = options->will.retained;
|
||||
}
|
||||
|
||||
if (options->username.cstring || options->username.lenstring.data)
|
||||
flags.bits.username = 1;
|
||||
if (options->password.cstring || options->password.lenstring.data)
|
||||
flags.bits.password = 1;
|
||||
|
||||
writeChar(&ptr, flags.all);
|
||||
writeInt(&ptr, options->keepAliveInterval);
|
||||
writeMQTTString(&ptr, options->clientID);
|
||||
if (options->willFlag)
|
||||
{
|
||||
writeMQTTString(&ptr, options->will.topicName);
|
||||
writeMQTTString(&ptr, options->will.message);
|
||||
}
|
||||
if (flags.bits.username)
|
||||
writeMQTTString(&ptr, options->username);
|
||||
if (flags.bits.password)
|
||||
writeMQTTString(&ptr, options->password);
|
||||
|
||||
rc = ptr - buf;
|
||||
|
||||
exit: FUNC_EXIT_RC(rc);
|
||||
printf("rc=%d\n",rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Deserializes the supplied (wire) buffer into connack data - return code
|
||||
* @param sessionPresent the session present flag returned (only for MQTT 3.1.1)
|
||||
* @param connack_rc returned integer value of the connack return code
|
||||
* @param buf the raw buffer data, of the correct length determined by the remaining length field
|
||||
* @param len the length in bytes of the data in the supplied buffer
|
||||
* @return error code. 1 is success, 0 is failure
|
||||
*/
|
||||
int MQTTDeserialize_connack(unsigned char* sessionPresent, unsigned char* connack_rc, unsigned char* buf, int buflen)
|
||||
{
|
||||
MQTTHeader header = {0};
|
||||
unsigned char* curdata = buf;
|
||||
unsigned char* enddata = NULL;
|
||||
int rc = 0;
|
||||
int mylen;
|
||||
MQTTConnackFlags flags = {0};
|
||||
|
||||
FUNC_ENTRY;
|
||||
header.byte = readChar(&curdata);
|
||||
if (header.bits.type != CONNACK)
|
||||
goto exit;
|
||||
|
||||
curdata += (rc = MQTTPacket_decodeBuf(curdata, &mylen)); /* read remaining length */
|
||||
enddata = curdata + mylen;
|
||||
if (enddata - curdata < 2)
|
||||
goto exit;
|
||||
|
||||
flags.all = readChar(&curdata);
|
||||
*sessionPresent = flags.bits.sessionpresent;
|
||||
*connack_rc = readChar(&curdata);
|
||||
|
||||
rc = 1;
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Serializes a 0-length packet into the supplied buffer, ready for writing to a socket
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied buffer, to avoid overruns
|
||||
* @param packettype the message type
|
||||
* @return serialized length, or error if 0
|
||||
*/
|
||||
int MQTTSerialize_zero(unsigned char* buf, int buflen, unsigned char packettype)
|
||||
{
|
||||
MQTTHeader header = {0};
|
||||
int rc = -1;
|
||||
unsigned char *ptr = buf;
|
||||
|
||||
FUNC_ENTRY;
|
||||
if (buflen < 2)
|
||||
{
|
||||
rc = MQTTPACKET_BUFFER_TOO_SHORT;
|
||||
goto exit;
|
||||
}
|
||||
header.byte = 0;
|
||||
header.bits.type = packettype;
|
||||
writeChar(&ptr, header.byte); /* write header */
|
||||
|
||||
ptr += MQTTPacket_encode(ptr, 0); /* write remaining length */
|
||||
rc = ptr - buf;
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Serializes a disconnect packet into the supplied buffer, ready for writing to a socket
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied buffer, to avoid overruns
|
||||
* @return serialized length, or error if 0
|
||||
*/
|
||||
int MQTTSerialize_disconnect(unsigned char* buf, int buflen)
|
||||
{
|
||||
return MQTTSerialize_zero(buf, buflen, DISCONNECT);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Serializes a disconnect packet into the supplied buffer, ready for writing to a socket
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied buffer, to avoid overruns
|
||||
* @return serialized length, or error if 0
|
||||
*/
|
||||
int MQTTSerialize_pingreq(unsigned char* buf, int buflen)
|
||||
{
|
||||
return MQTTSerialize_zero(buf, buflen, PINGREQ);
|
||||
}
|
||||
@@ -0,0 +1,91 @@
|
||||
#include "StackTrace.h"
|
||||
#include "MQTTPacket.h"
|
||||
#include <string.h>
|
||||
|
||||
#define min(a, b) ((a < b) ? 1 : 0)
|
||||
|
||||
/**
|
||||
* Deserializes the supplied (wire) buffer into publish data
|
||||
* @param dup returned integer - the MQTT dup flag
|
||||
* @param qos returned integer - the MQTT QoS value
|
||||
* @param retained returned integer - the MQTT retained flag
|
||||
* @param packetid returned integer - the MQTT packet identifier
|
||||
* @param topicName returned MQTTString - the MQTT topic in the publish
|
||||
* @param payload returned byte buffer - the MQTT publish payload
|
||||
* @param payloadlen returned integer - the length of the MQTT payload
|
||||
* @param buf the raw buffer data, of the correct length determined by the remaining length field
|
||||
* @param buflen the length in bytes of the data in the supplied buffer
|
||||
* @return error code. 1 is success
|
||||
*/
|
||||
int MQTTDeserialize_publish(unsigned char* dup, int* qos, unsigned char* retained, unsigned short* packetid, MQTTString* topicName,
|
||||
unsigned char** payload, int* payloadlen, unsigned char* buf, int buflen)
|
||||
{
|
||||
MQTTHeader header = {0};
|
||||
unsigned char* curdata = buf;
|
||||
unsigned char* enddata = NULL;
|
||||
int rc = 0;
|
||||
int mylen = 0;
|
||||
|
||||
FUNC_ENTRY;
|
||||
header.byte = readChar(&curdata);
|
||||
if (header.bits.type != PUBLISH)
|
||||
goto exit;
|
||||
*dup = header.bits.dup;
|
||||
*qos = header.bits.qos;
|
||||
*retained = header.bits.retain;
|
||||
|
||||
curdata += (rc = MQTTPacket_decodeBuf(curdata, &mylen)); /* read remaining length */
|
||||
enddata = curdata + mylen;
|
||||
|
||||
if (!readMQTTLenString(topicName, &curdata, enddata) ||
|
||||
enddata - curdata < 0) /* do we have enough data to read the protocol version byte? */
|
||||
goto exit;
|
||||
|
||||
if (*qos > 0)
|
||||
*packetid = readInt(&curdata);
|
||||
|
||||
*payloadlen = enddata - curdata;
|
||||
*payload = curdata;
|
||||
rc = 1;
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Deserializes the supplied (wire) buffer into an ack
|
||||
* @param packettype returned integer - the MQTT packet type
|
||||
* @param dup returned integer - the MQTT dup flag
|
||||
* @param packetid returned integer - the MQTT packet identifier
|
||||
* @param buf the raw buffer data, of the correct length determined by the remaining length field
|
||||
* @param buflen the length in bytes of the data in the supplied buffer
|
||||
* @return error code. 1 is success, 0 is failure
|
||||
*/
|
||||
int MQTTDeserialize_ack(unsigned char* packettype, unsigned char* dup, unsigned short* packetid, unsigned char* buf, int buflen)
|
||||
{
|
||||
MQTTHeader header = {0};
|
||||
unsigned char* curdata = buf;
|
||||
unsigned char* enddata = NULL;
|
||||
int rc = 0;
|
||||
int mylen;
|
||||
|
||||
FUNC_ENTRY;
|
||||
header.byte = readChar(&curdata);
|
||||
*dup = header.bits.dup;
|
||||
*packettype = header.bits.type;
|
||||
|
||||
curdata += (rc = MQTTPacket_decodeBuf(curdata, &mylen)); /* read remaining length */
|
||||
enddata = curdata + mylen;
|
||||
|
||||
if (enddata - curdata < 2)
|
||||
goto exit;
|
||||
*packetid = readInt(&curdata);
|
||||
|
||||
rc = 1;
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,246 @@
|
||||
#include "StackTrace.h"
|
||||
#include "MQTTPacket.h"
|
||||
|
||||
#include <string.h>
|
||||
|
||||
|
||||
const char* MQTTPacket_names[] =
|
||||
{
|
||||
"RESERVED", "CONNECT", "CONNACK", "PUBLISH", "PUBACK", "PUBREC", "PUBREL",
|
||||
"PUBCOMP", "SUBSCRIBE", "SUBACK", "UNSUBSCRIBE", "UNSUBACK",
|
||||
"PINGREQ", "PINGRESP", "DISCONNECT"
|
||||
};
|
||||
|
||||
|
||||
const char* MQTTPacket_getName(unsigned short packetid)
|
||||
{
|
||||
return MQTTPacket_names[packetid];
|
||||
}
|
||||
|
||||
|
||||
int MQTTStringFormat_connect(char* strbuf, int strbuflen, MQTTPacket_connectData* data)
|
||||
{
|
||||
int strindex = 0;
|
||||
|
||||
strindex = snprintf(strbuf, strbuflen,
|
||||
"CONNECT MQTT version %d, client id %.*s, clean session %d, keep alive %d",
|
||||
(int)data->MQTTVersion, data->clientID.lenstring.len, data->clientID.lenstring.data,
|
||||
(int)data->cleansession, data->keepAliveInterval);
|
||||
if (data->willFlag)
|
||||
strindex += snprintf(&strbuf[strindex], strbuflen - strindex,
|
||||
", will QoS %d, will retain %d, will topic %.*s, will message %.*s",
|
||||
data->will.qos, data->will.retained,
|
||||
data->will.topicName.lenstring.len, data->will.topicName.lenstring.data,
|
||||
data->will.message.lenstring.len, data->will.message.lenstring.data);
|
||||
if (data->username.lenstring.data && data->username.lenstring.len > 0)
|
||||
strindex += snprintf(&strbuf[strindex], strbuflen - strindex,
|
||||
", user name %.*s", data->username.lenstring.len, data->username.lenstring.data);
|
||||
if (data->password.lenstring.data && data->password.lenstring.len > 0)
|
||||
strindex += snprintf(&strbuf[strindex], strbuflen - strindex,
|
||||
", password %.*s", data->password.lenstring.len, data->password.lenstring.data);
|
||||
return strindex;
|
||||
}
|
||||
|
||||
|
||||
int MQTTStringFormat_connack(char* strbuf, int strbuflen, unsigned char connack_rc, unsigned char sessionPresent)
|
||||
{
|
||||
int strindex = snprintf(strbuf, strbuflen, "CONNACK session present %d, rc %d", sessionPresent, connack_rc);
|
||||
return strindex;
|
||||
}
|
||||
|
||||
|
||||
int MQTTStringFormat_publish(char* strbuf, int strbuflen, unsigned char dup, int qos, unsigned char retained,
|
||||
unsigned short packetid, MQTTString topicName, unsigned char* payload, int payloadlen)
|
||||
{
|
||||
int strindex = snprintf(strbuf, strbuflen,
|
||||
"PUBLISH dup %d, QoS %d, retained %d, packet id %d, topic %.*s, payload length %d, payload %.*s",
|
||||
dup, qos, retained, packetid,
|
||||
(topicName.lenstring.len < 20) ? topicName.lenstring.len : 20, topicName.lenstring.data,
|
||||
payloadlen, (payloadlen < 20) ? payloadlen : 20, payload);
|
||||
return strindex;
|
||||
}
|
||||
|
||||
|
||||
int MQTTStringFormat_ack(char* strbuf, int strbuflen, unsigned char packettype, unsigned char dup, unsigned short packetid)
|
||||
{
|
||||
int strindex = snprintf(strbuf, strbuflen, "%s, packet id %d", MQTTPacket_names[packettype], packetid);
|
||||
if (dup)
|
||||
strindex += snprintf(strbuf + strindex, strbuflen - strindex, ", dup %d", dup);
|
||||
return strindex;
|
||||
}
|
||||
|
||||
|
||||
int MQTTStringFormat_subscribe(char* strbuf, int strbuflen, unsigned char dup, unsigned short packetid, int count,
|
||||
MQTTString topicFilters[], int requestedQoSs[])
|
||||
{
|
||||
return snprintf(strbuf, strbuflen,
|
||||
"SUBSCRIBE dup %d, packet id %d count %d topic %.*s qos %d",
|
||||
dup, packetid, count,
|
||||
topicFilters[0].lenstring.len, topicFilters[0].lenstring.data,
|
||||
requestedQoSs[0]);
|
||||
}
|
||||
|
||||
|
||||
int MQTTStringFormat_suback(char* strbuf, int strbuflen, unsigned short packetid, int count, int* grantedQoSs)
|
||||
{
|
||||
return snprintf(strbuf, strbuflen,
|
||||
"SUBACK packet id %d count %d granted qos %d", packetid, count, grantedQoSs[0]);
|
||||
}
|
||||
|
||||
|
||||
int MQTTStringFormat_unsubscribe(char* strbuf, int strbuflen, unsigned char dup, unsigned short packetid,
|
||||
int count, MQTTString topicFilters[])
|
||||
{
|
||||
return snprintf(strbuf, strbuflen,
|
||||
"UNSUBSCRIBE dup %d, packet id %d count %d topic %.*s",
|
||||
dup, packetid, count,
|
||||
topicFilters[0].lenstring.len, topicFilters[0].lenstring.data);
|
||||
}
|
||||
|
||||
|
||||
#if defined(MQTT_CLIENT)
|
||||
char* MQTTFormat_toClientString(char* strbuf, int strbuflen, unsigned char* buf, int buflen)
|
||||
{
|
||||
int index = 0;
|
||||
int rem_length = 0;
|
||||
MQTTHeader header = {0};
|
||||
int strindex = 0;
|
||||
|
||||
header.byte = buf[index++];
|
||||
index += MQTTPacket_decodeBuf(&buf[index], &rem_length);
|
||||
|
||||
switch (header.bits.type)
|
||||
{
|
||||
|
||||
case CONNACK:
|
||||
{
|
||||
unsigned char sessionPresent, connack_rc;
|
||||
if (MQTTDeserialize_connack(&sessionPresent, &connack_rc, buf, buflen) == 1)
|
||||
strindex = MQTTStringFormat_connack(strbuf, strbuflen, connack_rc, sessionPresent);
|
||||
}
|
||||
break;
|
||||
case PUBLISH:
|
||||
{
|
||||
unsigned char dup, retained, *payload;
|
||||
unsigned short packetid;
|
||||
int qos, payloadlen;
|
||||
MQTTString topicName = MQTTString_initializer;
|
||||
if (MQTTDeserialize_publish(&dup, &qos, &retained, &packetid, &topicName,
|
||||
&payload, &payloadlen, buf, buflen) == 1)
|
||||
strindex = MQTTStringFormat_publish(strbuf, strbuflen, dup, qos, retained, packetid,
|
||||
topicName, payload, payloadlen);
|
||||
}
|
||||
break;
|
||||
case PUBACK:
|
||||
case PUBREC:
|
||||
case PUBREL:
|
||||
case PUBCOMP:
|
||||
{
|
||||
unsigned char packettype, dup;
|
||||
unsigned short packetid;
|
||||
if (MQTTDeserialize_ack(&packettype, &dup, &packetid, buf, buflen) == 1)
|
||||
strindex = MQTTStringFormat_ack(strbuf, strbuflen, packettype, dup, packetid);
|
||||
}
|
||||
break;
|
||||
case SUBACK:
|
||||
{
|
||||
unsigned short packetid;
|
||||
int maxcount = 1, count = 0;
|
||||
int grantedQoSs[1];
|
||||
if (MQTTDeserialize_suback(&packetid, maxcount, &count, grantedQoSs, buf, buflen) == 1)
|
||||
strindex = MQTTStringFormat_suback(strbuf, strbuflen, packetid, count, grantedQoSs);
|
||||
}
|
||||
break;
|
||||
case UNSUBACK:
|
||||
{
|
||||
unsigned short packetid;
|
||||
if (MQTTDeserialize_unsuback(&packetid, buf, buflen) == 1)
|
||||
strindex = MQTTStringFormat_ack(strbuf, strbuflen, UNSUBACK, 0, packetid);
|
||||
}
|
||||
break;
|
||||
case PINGREQ:
|
||||
case PINGRESP:
|
||||
case DISCONNECT:
|
||||
strindex = snprintf(strbuf, strbuflen, "%s", MQTTPacket_names[header.bits.type]);
|
||||
break;
|
||||
}
|
||||
return strbuf;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(MQTT_SERVER)
|
||||
char* MQTTFormat_toServerString(char* strbuf, int strbuflen, unsigned char* buf, int buflen)
|
||||
{
|
||||
int index = 0;
|
||||
int rem_length = 0;
|
||||
MQTTHeader header = {0};
|
||||
int strindex = 0;
|
||||
|
||||
header.byte = buf[index++];
|
||||
index += MQTTPacket_decodeBuf(&buf[index], &rem_length);
|
||||
|
||||
switch (header.bits.type)
|
||||
{
|
||||
case CONNECT:
|
||||
{
|
||||
MQTTPacket_connectData data;
|
||||
int rc;
|
||||
if ((rc = MQTTDeserialize_connect(&data, buf, buflen)) == 1)
|
||||
strindex = MQTTStringFormat_connect(strbuf, strbuflen, &data);
|
||||
}
|
||||
break;
|
||||
case PUBLISH:
|
||||
{
|
||||
unsigned char dup, retained, *payload;
|
||||
unsigned short packetid;
|
||||
int qos, payloadlen;
|
||||
MQTTString topicName = MQTTString_initializer;
|
||||
if (MQTTDeserialize_publish(&dup, &qos, &retained, &packetid, &topicName,
|
||||
&payload, &payloadlen, buf, buflen) == 1)
|
||||
strindex = MQTTStringFormat_publish(strbuf, strbuflen, dup, qos, retained, packetid,
|
||||
topicName, payload, payloadlen);
|
||||
}
|
||||
break;
|
||||
case PUBACK:
|
||||
case PUBREC:
|
||||
case PUBREL:
|
||||
case PUBCOMP:
|
||||
{
|
||||
unsigned char packettype, dup;
|
||||
unsigned short packetid;
|
||||
if (MQTTDeserialize_ack(&packettype, &dup, &packetid, buf, buflen) == 1)
|
||||
strindex = MQTTStringFormat_ack(strbuf, strbuflen, packettype, dup, packetid);
|
||||
}
|
||||
break;
|
||||
case SUBSCRIBE:
|
||||
{
|
||||
unsigned char dup;
|
||||
unsigned short packetid;
|
||||
int maxcount = 1, count = 0;
|
||||
MQTTString topicFilters[1];
|
||||
int requestedQoSs[1];
|
||||
if (MQTTDeserialize_subscribe(&dup, &packetid, maxcount, &count,
|
||||
topicFilters, requestedQoSs, buf, buflen) == 1)
|
||||
strindex = MQTTStringFormat_subscribe(strbuf, strbuflen, dup, packetid, count, topicFilters, requestedQoSs);;
|
||||
}
|
||||
break;
|
||||
case UNSUBSCRIBE:
|
||||
{
|
||||
unsigned char dup;
|
||||
unsigned short packetid;
|
||||
int maxcount = 1, count = 0;
|
||||
MQTTString topicFilters[1];
|
||||
if (MQTTDeserialize_unsubscribe(&dup, &packetid, maxcount, &count, topicFilters, buf, buflen) == 1)
|
||||
strindex = MQTTStringFormat_unsubscribe(strbuf, strbuflen, dup, packetid, count, topicFilters);
|
||||
}
|
||||
break;
|
||||
case PINGREQ:
|
||||
case PINGRESP:
|
||||
case DISCONNECT:
|
||||
strindex = snprintf(strbuf, strbuflen, "%s", MQTTPacket_names[header.bits.type]);
|
||||
break;
|
||||
}
|
||||
strbuf[strbuflen] = '\0';
|
||||
return strbuf;
|
||||
}
|
||||
#endif
|
||||
@@ -0,0 +1,395 @@
|
||||
#include "StackTrace.h"
|
||||
#include "MQTTPacket.h"
|
||||
|
||||
#include <string.h>
|
||||
|
||||
/**
|
||||
* Encodes the message length according to the MQTT algorithm
|
||||
* @param buf the buffer into which the encoded data is written
|
||||
* @param length the length to be encoded
|
||||
* @return the number of bytes written to buffer
|
||||
*/
|
||||
int MQTTPacket_encode(unsigned char* buf, int length)
|
||||
{
|
||||
int rc = 0;
|
||||
|
||||
FUNC_ENTRY;
|
||||
do
|
||||
{
|
||||
char d = length % 128;
|
||||
length /= 128;
|
||||
/* if there are more digits to encode, set the top bit of this digit */
|
||||
if (length > 0)
|
||||
d |= 0x80;
|
||||
buf[rc++] = d;
|
||||
} while (length > 0);
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Decodes the message length according to the MQTT algorithm
|
||||
* @param getcharfn pointer to function to read the next character from the data source
|
||||
* @param value the decoded length returned
|
||||
* @return the number of bytes read from the socket
|
||||
*/
|
||||
int MQTTPacket_decode(int (*getcharfn)(unsigned char*, int), int* value)
|
||||
{
|
||||
unsigned char c;
|
||||
int multiplier = 1;
|
||||
int len = 0;
|
||||
#define MAX_NO_OF_REMAINING_LENGTH_BYTES 4
|
||||
|
||||
FUNC_ENTRY;
|
||||
*value = 0;
|
||||
do
|
||||
{
|
||||
int rc = MQTTPACKET_READ_ERROR;
|
||||
|
||||
if (++len > MAX_NO_OF_REMAINING_LENGTH_BYTES)
|
||||
{
|
||||
rc = MQTTPACKET_READ_ERROR; /* bad data */
|
||||
goto exit;
|
||||
}
|
||||
rc = (*getcharfn)(&c, 1);
|
||||
if (rc != 1)
|
||||
goto exit;
|
||||
*value += (c & 127) * multiplier;
|
||||
multiplier *= 128;
|
||||
} while ((c & 128) != 0);
|
||||
exit:
|
||||
FUNC_EXIT_RC(len);
|
||||
return len;
|
||||
}
|
||||
|
||||
|
||||
int MQTTPacket_len(int rem_len)
|
||||
{
|
||||
rem_len += 1; /* header byte */
|
||||
|
||||
/* now remaining_length field */
|
||||
if (rem_len < 128)
|
||||
rem_len += 1;
|
||||
else if (rem_len < 16384)
|
||||
rem_len += 2;
|
||||
else if (rem_len < 2097151)
|
||||
rem_len += 3;
|
||||
else
|
||||
rem_len += 4;
|
||||
return rem_len;
|
||||
}
|
||||
|
||||
|
||||
static unsigned char* bufptr;
|
||||
|
||||
int bufchar(unsigned char* c, int count)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < count; ++i)
|
||||
*c = *bufptr++;
|
||||
return count;
|
||||
}
|
||||
|
||||
|
||||
int MQTTPacket_decodeBuf(unsigned char* buf, int* value)
|
||||
{
|
||||
bufptr = buf;
|
||||
return MQTTPacket_decode(bufchar, value);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Calculates an integer from two bytes read from the input buffer
|
||||
* @param pptr pointer to the input buffer - incremented by the number of bytes used & returned
|
||||
* @return the integer value calculated
|
||||
*/
|
||||
int readInt(unsigned char** pptr)
|
||||
{
|
||||
unsigned char* ptr = *pptr;
|
||||
int len = 256*(*ptr) + (*(ptr+1));
|
||||
*pptr += 2;
|
||||
return len;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Reads one character from the input buffer.
|
||||
* @param pptr pointer to the input buffer - incremented by the number of bytes used & returned
|
||||
* @return the character read
|
||||
*/
|
||||
char readChar(unsigned char** pptr)
|
||||
{
|
||||
char c = **pptr;
|
||||
(*pptr)++;
|
||||
return c;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Writes one character to an output buffer.
|
||||
* @param pptr pointer to the output buffer - incremented by the number of bytes used & returned
|
||||
* @param c the character to write
|
||||
*/
|
||||
void writeChar(unsigned char** pptr, char c)
|
||||
{
|
||||
**pptr = c;
|
||||
(*pptr)++;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Writes an integer as 2 bytes to an output buffer.
|
||||
* @param pptr pointer to the output buffer - incremented by the number of bytes used & returned
|
||||
* @param anInt the integer to write
|
||||
*/
|
||||
void writeInt(unsigned char** pptr, int anInt)
|
||||
{
|
||||
**pptr = (unsigned char)(anInt / 256);
|
||||
(*pptr)++;
|
||||
**pptr = (unsigned char)(anInt % 256);
|
||||
(*pptr)++;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Writes a "UTF" string to an output buffer. Converts C string to length-delimited.
|
||||
* @param pptr pointer to the output buffer - incremented by the number of bytes used & returned
|
||||
* @param string the C string to write
|
||||
*/
|
||||
void writeCString(unsigned char** pptr, const char* string)
|
||||
{
|
||||
int len = strlen(string);
|
||||
writeInt(pptr, len);
|
||||
memcpy(*pptr, string, len);
|
||||
*pptr += len;
|
||||
}
|
||||
|
||||
|
||||
int getLenStringLen(char* ptr)
|
||||
{
|
||||
int len = 256*((unsigned char)(*ptr)) + (unsigned char)(*(ptr+1));
|
||||
return len;
|
||||
}
|
||||
|
||||
|
||||
void writeMQTTString(unsigned char** pptr, MQTTString mqttstring)
|
||||
{
|
||||
if (mqttstring.lenstring.len > 0)
|
||||
{
|
||||
writeInt(pptr, mqttstring.lenstring.len);
|
||||
memcpy(*pptr, mqttstring.lenstring.data, mqttstring.lenstring.len);
|
||||
*pptr += mqttstring.lenstring.len;
|
||||
}
|
||||
else if (mqttstring.cstring)
|
||||
writeCString(pptr, mqttstring.cstring);
|
||||
else
|
||||
writeInt(pptr, 0);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @param mqttstring the MQTTString structure into which the data is to be read
|
||||
* @param pptr pointer to the output buffer - incremented by the number of bytes used & returned
|
||||
* @param enddata pointer to the end of the data: do not read beyond
|
||||
* @return 1 if successful, 0 if not
|
||||
*/
|
||||
int readMQTTLenString(MQTTString* mqttstring, unsigned char** pptr, unsigned char* enddata)
|
||||
{
|
||||
int rc = 0;
|
||||
|
||||
FUNC_ENTRY;
|
||||
/* the first two bytes are the length of the string */
|
||||
if (enddata - (*pptr) > 1) /* enough length to read the integer? */
|
||||
{
|
||||
mqttstring->lenstring.len = readInt(pptr); /* increments pptr to point past length */
|
||||
if (&(*pptr)[mqttstring->lenstring.len] <= enddata)
|
||||
{
|
||||
mqttstring->lenstring.data = (char*)*pptr;
|
||||
*pptr += mqttstring->lenstring.len;
|
||||
rc = 1;
|
||||
}
|
||||
}
|
||||
mqttstring->cstring = NULL;
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Return the length of the MQTTstring - C string if there is one, otherwise the length delimited string
|
||||
* @param mqttstring the string to return the length of
|
||||
* @return the length of the string
|
||||
*/
|
||||
int MQTTstrlen(MQTTString mqttstring)
|
||||
{
|
||||
int rc = 0;
|
||||
|
||||
if (mqttstring.cstring)
|
||||
rc = strlen(mqttstring.cstring);
|
||||
else
|
||||
rc = mqttstring.lenstring.len;
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Compares an MQTTString to a C string
|
||||
* @param a the MQTTString to compare
|
||||
* @param bptr the C string to compare
|
||||
* @return boolean - equal or not
|
||||
*/
|
||||
int MQTTPacket_equals(MQTTString* a, char* bptr)
|
||||
{
|
||||
int alen = 0,
|
||||
blen = 0;
|
||||
char *aptr;
|
||||
|
||||
if (a->cstring)
|
||||
{
|
||||
aptr = a->cstring;
|
||||
alen = strlen(a->cstring);
|
||||
}
|
||||
else
|
||||
{
|
||||
aptr = a->lenstring.data;
|
||||
alen = a->lenstring.len;
|
||||
}
|
||||
blen = strlen(bptr);
|
||||
|
||||
return (alen == blen) && (strncmp(aptr, bptr, alen) == 0);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Helper function to read packet data from some source into a buffer
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied buffer
|
||||
* @param getfn pointer to a function which will read any number of bytes from the needed source
|
||||
* @return integer MQTT packet type, or -1 on error
|
||||
* @note the whole message must fit into the caller's buffer
|
||||
*/
|
||||
int MQTTPacket_read(unsigned char* buf, int buflen, int (*getfn)(unsigned char*, int))
|
||||
{
|
||||
int rc = -1;
|
||||
MQTTHeader header = {0};
|
||||
int len = 0;
|
||||
int rem_len = 0;
|
||||
|
||||
/* 1. read the header byte. This has the packet type in it */
|
||||
if ((*getfn)(buf, 1) != 1)
|
||||
goto exit;
|
||||
|
||||
len = 1;
|
||||
/* 2. read the remaining length. This is variable in itself */
|
||||
MQTTPacket_decode(getfn, &rem_len);
|
||||
len += MQTTPacket_encode(buf + 1, rem_len); /* put the original remaining length back into the buffer */
|
||||
|
||||
/* 3. read the rest of the buffer using a callback to supply the rest of the data */
|
||||
if((rem_len + len) > buflen)
|
||||
goto exit;
|
||||
if (rem_len && ((*getfn)(buf + len, rem_len) != rem_len))
|
||||
goto exit;
|
||||
|
||||
header.byte = buf[0];
|
||||
rc = header.bits.type;
|
||||
exit:
|
||||
return rc;
|
||||
}
|
||||
|
||||
/**
|
||||
* Decodes the message length according to the MQTT algorithm, non-blocking
|
||||
* @param trp pointer to a transport structure holding what is needed to solve getting data from it
|
||||
* @param value the decoded length returned
|
||||
* @return integer the number of bytes read from the socket, 0 for call again, or -1 on error
|
||||
*/
|
||||
static int MQTTPacket_decodenb(MQTTTransport *trp)
|
||||
{
|
||||
unsigned char c;
|
||||
int rc = MQTTPACKET_READ_ERROR;
|
||||
|
||||
FUNC_ENTRY;
|
||||
if(trp->len == 0){ /* initialize on first call */
|
||||
trp->multiplier = 1;
|
||||
trp->rem_len = 0;
|
||||
}
|
||||
do {
|
||||
int frc;
|
||||
if (trp->len >= MAX_NO_OF_REMAINING_LENGTH_BYTES)
|
||||
goto exit;
|
||||
if ((frc=(*trp->getfn)(trp->sck, &c, 1)) == -1)
|
||||
goto exit;
|
||||
if (frc == 0){
|
||||
rc = 0;
|
||||
goto exit;
|
||||
}
|
||||
++(trp->len);
|
||||
trp->rem_len += (c & 127) * trp->multiplier;
|
||||
trp->multiplier *= 128;
|
||||
} while ((c & 128) != 0);
|
||||
rc = trp->len;
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper function to read packet data from some source into a buffer, non-blocking
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied buffer
|
||||
* @param trp pointer to a transport structure holding what is needed to solve getting data from it
|
||||
* @return integer MQTT packet type, 0 for call again, or -1 on error
|
||||
* @note the whole message must fit into the caller's buffer
|
||||
*/
|
||||
int MQTTPacket_readnb(unsigned char* buf, int buflen, MQTTTransport *trp)
|
||||
{
|
||||
int rc = -1, frc;
|
||||
MQTTHeader header = {0};
|
||||
|
||||
switch(trp->state){
|
||||
default:
|
||||
trp->state = 0;
|
||||
/*FALLTHROUGH*/
|
||||
case 0:
|
||||
/* read the header byte. This has the packet type in it */
|
||||
if ((frc=(*trp->getfn)(trp->sck, buf, 1)) == -1)
|
||||
goto exit;
|
||||
if (frc == 0)
|
||||
return 0;
|
||||
trp->len = 0;
|
||||
++trp->state;
|
||||
/*FALLTHROUGH*/
|
||||
/* read the remaining length. This is variable in itself */
|
||||
case 1:
|
||||
if((frc=MQTTPacket_decodenb(trp)) == MQTTPACKET_READ_ERROR)
|
||||
goto exit;
|
||||
if(frc == 0)
|
||||
return 0;
|
||||
trp->len = 1 + MQTTPacket_encode(buf + 1, trp->rem_len); /* put the original remaining length back into the buffer */
|
||||
if((trp->rem_len + trp->len) > buflen)
|
||||
goto exit;
|
||||
++trp->state;
|
||||
/*FALLTHROUGH*/
|
||||
case 2:
|
||||
if(trp->rem_len){
|
||||
/* read the rest of the buffer using a callback to supply the rest of the data */
|
||||
if ((frc=(*trp->getfn)(trp->sck, buf + trp->len, trp->rem_len)) == -1)
|
||||
goto exit;
|
||||
if (frc == 0)
|
||||
return 0;
|
||||
trp->rem_len -= frc;
|
||||
trp->len += frc;
|
||||
if(trp->rem_len)
|
||||
return 0;
|
||||
}
|
||||
header.byte = buf[0];
|
||||
rc = header.bits.type;
|
||||
break;
|
||||
}
|
||||
|
||||
exit:
|
||||
trp->state = 0;
|
||||
return rc;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,164 @@
|
||||
#include "MQTTPacket.h"
|
||||
#include "StackTrace.h"
|
||||
|
||||
#include <string.h>
|
||||
|
||||
|
||||
/**
|
||||
* Determines the length of the MQTT publish packet that would be produced using the supplied parameters
|
||||
* @param qos the MQTT QoS of the publish (packetid is omitted for QoS 0)
|
||||
* @param topicName the topic name to be used in the publish
|
||||
* @param payloadlen the length of the payload to be sent
|
||||
* @return the length of buffer needed to contain the serialized version of the packet
|
||||
*/
|
||||
int MQTTSerialize_publishLength(int qos, MQTTString topicName, int payloadlen)
|
||||
{
|
||||
int len = 0;
|
||||
|
||||
len += 2 + MQTTstrlen(topicName) + payloadlen;
|
||||
if (qos > 0)
|
||||
len += 2; /* packetid */
|
||||
return len;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Serializes the supplied publish data into the supplied buffer, ready for sending
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied buffer
|
||||
* @param dup integer - the MQTT dup flag
|
||||
* @param qos integer - the MQTT QoS value
|
||||
* @param retained integer - the MQTT retained flag
|
||||
* @param packetid integer - the MQTT packet identifier
|
||||
* @param topicName MQTTString - the MQTT topic in the publish
|
||||
* @param payload byte buffer - the MQTT publish payload
|
||||
* @param payloadlen integer - the length of the MQTT payload
|
||||
* @return the length of the serialized data. <= 0 indicates error
|
||||
*/
|
||||
int MQTTSerialize_publish(unsigned char* buf, int buflen, unsigned char dup, int qos, unsigned char retained, unsigned short packetid,
|
||||
MQTTString topicName, unsigned char* payload, int payloadlen)
|
||||
{
|
||||
unsigned char *ptr = buf;
|
||||
MQTTHeader header = {0};
|
||||
int rem_len = 0;
|
||||
int rc = 0;
|
||||
|
||||
FUNC_ENTRY;
|
||||
if (MQTTPacket_len(rem_len = MQTTSerialize_publishLength(qos, topicName, payloadlen)) > buflen)
|
||||
{
|
||||
rc = MQTTPACKET_BUFFER_TOO_SHORT;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
header.bits.type = PUBLISH;
|
||||
header.bits.dup = dup;
|
||||
header.bits.qos = qos;
|
||||
header.bits.retain = retained;
|
||||
writeChar(&ptr, header.byte); /* write header */
|
||||
|
||||
ptr += MQTTPacket_encode(ptr, rem_len); /* write remaining length */;
|
||||
|
||||
writeMQTTString(&ptr, topicName);
|
||||
|
||||
if (qos > 0)
|
||||
writeInt(&ptr, packetid);
|
||||
|
||||
memcpy(ptr, payload, payloadlen);
|
||||
ptr += payloadlen;
|
||||
|
||||
rc = ptr - buf;
|
||||
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Serializes the ack packet into the supplied buffer.
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied buffer
|
||||
* @param type the MQTT packet type
|
||||
* @param dup the MQTT dup flag
|
||||
* @param packetid the MQTT packet identifier
|
||||
* @return serialized length, or error if 0
|
||||
*/
|
||||
int MQTTSerialize_ack(unsigned char* buf, int buflen, unsigned char packettype, unsigned char dup, unsigned short packetid)
|
||||
{
|
||||
MQTTHeader header = {0};
|
||||
int rc = 0;
|
||||
unsigned char *ptr = buf;
|
||||
|
||||
FUNC_ENTRY;
|
||||
if (buflen < 4)
|
||||
{
|
||||
rc = MQTTPACKET_BUFFER_TOO_SHORT;
|
||||
goto exit;
|
||||
}
|
||||
header.bits.type = packettype;
|
||||
header.bits.dup = dup;
|
||||
header.bits.qos = (packettype == PUBREL) ? 1 : 0;
|
||||
writeChar(&ptr, header.byte); /* write header */
|
||||
|
||||
ptr += MQTTPacket_encode(ptr, 2); /* write remaining length */
|
||||
writeInt(&ptr, packetid);
|
||||
rc = ptr - buf;
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Serializes a puback packet into the supplied buffer.
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied buffer
|
||||
* @param packetid integer - the MQTT packet identifier
|
||||
* @return serialized length, or error if 0
|
||||
*/
|
||||
int MQTTSerialize_puback(unsigned char* buf, int buflen, unsigned short packetid)
|
||||
{
|
||||
return MQTTSerialize_ack(buf, buflen, PUBACK, 0, packetid);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Serializes a pubrel packet into the supplied buffer.
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied buffer
|
||||
* @param dup integer - the MQTT dup flag
|
||||
* @param packetid integer - the MQTT packet identifier
|
||||
* @return serialized length, or error if 0
|
||||
*/
|
||||
int MQTTSerialize_pubrel(unsigned char* buf, int buflen, unsigned char dup, unsigned short packetid)
|
||||
{
|
||||
return MQTTSerialize_ack(buf, buflen, PUBREL, dup, packetid);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Serializes a pubcomp packet into the supplied buffer.
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied buffer
|
||||
* @param packetid integer - the MQTT packet identifier
|
||||
* @return serialized length, or error if 0
|
||||
*/
|
||||
int MQTTSerialize_pubcomp(unsigned char* buf, int buflen, unsigned short packetid)
|
||||
{
|
||||
return MQTTSerialize_ack(buf, buflen, PUBCOMP, 0, packetid);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Serializes a pubrecv packet into the supplied buffer.
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied buffer
|
||||
* @param packetid integer - the MQTT packet identifier
|
||||
* @return serialized length, or error if 0
|
||||
*/
|
||||
int MQTTSerialize_pubrec(unsigned char* buf, int buflen, unsigned short packetid)
|
||||
{
|
||||
return MQTTSerialize_ack(buf, buflen, PUBREC, 0, packetid);
|
||||
}
|
||||
|
||||
@@ -0,0 +1,121 @@
|
||||
#include "MQTTPacket.h"
|
||||
#include "StackTrace.h"
|
||||
|
||||
#include <string.h>
|
||||
|
||||
/**
|
||||
* Determines the length of the MQTT subscribe packet that would be produced using the supplied parameters
|
||||
* @param count the number of topic filter strings in topicFilters
|
||||
* @param topicFilters the array of topic filter strings to be used in the publish
|
||||
* @return the length of buffer needed to contain the serialized version of the packet
|
||||
*/
|
||||
int MQTTSerialize_subscribeLength(int count, MQTTString topicFilters[])
|
||||
{
|
||||
int i;
|
||||
int len = 2; /* packetid */
|
||||
|
||||
for (i = 0; i < count; ++i)
|
||||
len += 2 + MQTTstrlen(topicFilters[i]) + 1; /* length + topic + req_qos */
|
||||
return len;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Serializes the supplied subscribe data into the supplied buffer, ready for sending
|
||||
* @param buf the buffer into which the packet will be serialized
|
||||
* @param buflen the length in bytes of the supplied bufferr
|
||||
* @param dup integer - the MQTT dup flag
|
||||
* @param packetid integer - the MQTT packet identifier
|
||||
* @param count - number of members in the topicFilters and reqQos arrays
|
||||
* @param topicFilters - array of topic filter names
|
||||
* @param requestedQoSs - array of requested QoS
|
||||
* @return the length of the serialized data. <= 0 indicates error
|
||||
*/
|
||||
int MQTTSerialize_subscribe(unsigned char* buf, int buflen, unsigned char dup, unsigned short packetid, int count,
|
||||
MQTTString topicFilters[], int requestedQoSs[])
|
||||
{
|
||||
unsigned char *ptr = buf;
|
||||
MQTTHeader header = {0};
|
||||
int rem_len = 0;
|
||||
int rc = 0;
|
||||
int i = 0;
|
||||
|
||||
FUNC_ENTRY;
|
||||
if (MQTTPacket_len(rem_len = MQTTSerialize_subscribeLength(count, topicFilters)) > buflen)
|
||||
{
|
||||
rc = MQTTPACKET_BUFFER_TOO_SHORT;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
header.byte = 0;
|
||||
header.bits.type = SUBSCRIBE;
|
||||
header.bits.dup = dup;
|
||||
header.bits.qos = 1;
|
||||
writeChar(&ptr, header.byte); /* write header */
|
||||
|
||||
ptr += MQTTPacket_encode(ptr, rem_len); /* write remaining length */;
|
||||
|
||||
writeInt(&ptr, packetid);
|
||||
|
||||
for (i = 0; i < count; ++i)
|
||||
{
|
||||
writeMQTTString(&ptr, topicFilters[i]);
|
||||
writeChar(&ptr, requestedQoSs[i]);
|
||||
}
|
||||
|
||||
rc = ptr - buf;
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Deserializes the supplied (wire) buffer into suback data
|
||||
* @param packetid returned integer - the MQTT packet identifier
|
||||
* @param maxcount - the maximum number of members allowed in the grantedQoSs array
|
||||
* @param count returned integer - number of members in the grantedQoSs array
|
||||
* @param grantedQoSs returned array of integers - the granted qualities of service
|
||||
* @param buf the raw buffer data, of the correct length determined by the remaining length field
|
||||
* @param buflen the length in bytes of the data in the supplied buffer
|
||||
* @return error code. 1 is success, 0 is failure
|
||||
*/
|
||||
int MQTTDeserialize_suback(unsigned short* packetid, int maxcount, int* count, int grantedQoSs[], unsigned char* buf, int buflen)
|
||||
{
|
||||
MQTTHeader header = {0};
|
||||
unsigned char* curdata = buf;
|
||||
unsigned char* enddata = NULL;
|
||||
int rc = 0;
|
||||
int mylen;
|
||||
|
||||
FUNC_ENTRY;
|
||||
header.byte = readChar(&curdata);
|
||||
if (header.bits.type != SUBACK)
|
||||
goto exit;
|
||||
|
||||
curdata += (rc = MQTTPacket_decodeBuf(curdata, &mylen)); /* read remaining length */
|
||||
enddata = curdata + mylen;
|
||||
if (enddata - curdata < 2)
|
||||
goto exit;
|
||||
|
||||
*packetid = readInt(&curdata);
|
||||
|
||||
*count = 0;
|
||||
while (curdata < enddata)
|
||||
{
|
||||
if (*count > maxcount)
|
||||
{
|
||||
rc = -1;
|
||||
goto exit;
|
||||
}
|
||||
grantedQoSs[(*count)++] = readChar(&curdata);
|
||||
}
|
||||
|
||||
rc = 1;
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,90 @@
|
||||
#include "MQTTPacket.h"
|
||||
#include "StackTrace.h"
|
||||
|
||||
#include <string.h>
|
||||
|
||||
/**
|
||||
* Determines the length of the MQTT unsubscribe packet that would be produced using the supplied parameters
|
||||
* @param count the number of topic filter strings in topicFilters
|
||||
* @param topicFilters the array of topic filter strings to be used in the publish
|
||||
* @return the length of buffer needed to contain the serialized version of the packet
|
||||
*/
|
||||
int MQTTSerialize_unsubscribeLength(int count, MQTTString topicFilters[])
|
||||
{
|
||||
int i;
|
||||
int len = 2; /* packetid */
|
||||
|
||||
for (i = 0; i < count; ++i)
|
||||
len += 2 + MQTTstrlen(topicFilters[i]); /* length + topic*/
|
||||
return len;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Serializes the supplied unsubscribe data into the supplied buffer, ready for sending
|
||||
* @param buf the raw buffer data, of the correct length determined by the remaining length field
|
||||
* @param buflen the length in bytes of the data in the supplied buffer
|
||||
* @param dup integer - the MQTT dup flag
|
||||
* @param packetid integer - the MQTT packet identifier
|
||||
* @param count - number of members in the topicFilters array
|
||||
* @param topicFilters - array of topic filter names
|
||||
* @return the length of the serialized data. <= 0 indicates error
|
||||
*/
|
||||
int MQTTSerialize_unsubscribe(unsigned char* buf, int buflen, unsigned char dup, unsigned short packetid,
|
||||
int count, MQTTString topicFilters[])
|
||||
{
|
||||
unsigned char *ptr = buf;
|
||||
MQTTHeader header = {0};
|
||||
int rem_len = 0;
|
||||
int rc = -1;
|
||||
int i = 0;
|
||||
|
||||
FUNC_ENTRY;
|
||||
if (MQTTPacket_len(rem_len = MQTTSerialize_unsubscribeLength(count, topicFilters)) > buflen)
|
||||
{
|
||||
rc = MQTTPACKET_BUFFER_TOO_SHORT;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
header.byte = 0;
|
||||
header.bits.type = UNSUBSCRIBE;
|
||||
header.bits.dup = dup;
|
||||
header.bits.qos = 1;
|
||||
writeChar(&ptr, header.byte); /* write header */
|
||||
|
||||
ptr += MQTTPacket_encode(ptr, rem_len); /* write remaining length */;
|
||||
|
||||
writeInt(&ptr, packetid);
|
||||
|
||||
for (i = 0; i < count; ++i)
|
||||
writeMQTTString(&ptr, topicFilters[i]);
|
||||
|
||||
rc = ptr - buf;
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Deserializes the supplied (wire) buffer into unsuback data
|
||||
* @param packetid returned integer - the MQTT packet identifier
|
||||
* @param buf the raw buffer data, of the correct length determined by the remaining length field
|
||||
* @param buflen the length in bytes of the data in the supplied buffer
|
||||
* @return error code. 1 is success, 0 is failure
|
||||
*/
|
||||
int MQTTDeserialize_unsuback(unsigned short* packetid, unsigned char* buf, int buflen)
|
||||
{
|
||||
unsigned char type = 0;
|
||||
unsigned char dup = 0;
|
||||
int rc = 0;
|
||||
|
||||
FUNC_ENTRY;
|
||||
rc = MQTTDeserialize_ack(&type, &dup, packetid, buf, buflen);
|
||||
if (type == UNSUBACK)
|
||||
rc = 1;
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,119 @@
|
||||
#ifndef MQTTCONNECT_H_
|
||||
#define MQTTCONNECT_H_
|
||||
|
||||
#if !defined(DLLImport)
|
||||
#define DLLImport
|
||||
#endif
|
||||
#if !defined(DLLExport)
|
||||
#define DLLExport
|
||||
#endif
|
||||
|
||||
|
||||
typedef union
|
||||
{
|
||||
unsigned char all; /**< all connect flags */
|
||||
#if defined(REVERSED)
|
||||
struct
|
||||
{
|
||||
unsigned int username : 1; /**< 3.1 user name */
|
||||
unsigned int password : 1; /**< 3.1 password */
|
||||
unsigned int willRetain : 1; /**< will retain setting */
|
||||
unsigned int willQoS : 2; /**< will QoS value */
|
||||
unsigned int will : 1; /**< will flag */
|
||||
unsigned int cleansession : 1; /**< clean session flag */
|
||||
unsigned int : 1; /**< unused */
|
||||
} bits;
|
||||
#else
|
||||
struct
|
||||
{
|
||||
unsigned int : 1; /**< unused */
|
||||
unsigned int cleansession : 1; /**< cleansession flag */
|
||||
unsigned int will : 1; /**< will flag */
|
||||
unsigned int willQoS : 2; /**< will QoS value */
|
||||
unsigned int willRetain : 1; /**< will retain setting */
|
||||
unsigned int password : 1; /**< 3.1 password */
|
||||
unsigned int username : 1; /**< 3.1 user name */
|
||||
} bits;
|
||||
#endif
|
||||
} MQTTConnectFlags; /**< connect flags byte */
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Defines the MQTT "Last Will and Testament" (LWT) settings for
|
||||
* the connect packet.
|
||||
*/
|
||||
typedef struct
|
||||
{
|
||||
/** The eyecatcher for this structure. must be MQTW. */
|
||||
char struct_id[4];
|
||||
/** The version number of this structure. Must be 0 */
|
||||
int struct_version;
|
||||
/** The LWT topic to which the LWT message will be published. */
|
||||
MQTTString topicName;
|
||||
/** The LWT payload. */
|
||||
MQTTString message;
|
||||
/**
|
||||
* The retained flag for the LWT message (see MQTTAsync_message.retained).
|
||||
*/
|
||||
unsigned char retained;
|
||||
/**
|
||||
* The quality of service setting for the LWT message (see
|
||||
* MQTTAsync_message.qos and @ref qos).
|
||||
*/
|
||||
char qos;
|
||||
} MQTTPacket_willOptions;
|
||||
|
||||
|
||||
#define MQTTPacket_willOptions_initializer { {'M', 'Q', 'T', 'W'}, 0, {NULL, {0, NULL}}, {NULL, {0, NULL}}, 0, 0 }
|
||||
|
||||
|
||||
typedef struct
|
||||
{
|
||||
/** The eyecatcher for this structure. must be MQTC. */
|
||||
char struct_id[4];
|
||||
/** The version number of this structure. Must be 0 */
|
||||
int struct_version;
|
||||
/** Version of MQTT to be used. 3 = 3.1 4 = 3.1.1
|
||||
*/
|
||||
unsigned char MQTTVersion;
|
||||
MQTTString clientID;
|
||||
unsigned short keepAliveInterval;
|
||||
unsigned char cleansession;
|
||||
unsigned char willFlag;
|
||||
MQTTPacket_willOptions will;
|
||||
MQTTString username;
|
||||
MQTTString password;
|
||||
} MQTTPacket_connectData;
|
||||
|
||||
typedef union
|
||||
{
|
||||
unsigned char all; /**< all connack flags */
|
||||
#if defined(REVERSED)
|
||||
struct
|
||||
{
|
||||
unsigned int reserved : 7; /**< unused */
|
||||
unsigned int sessionpresent : 1; /**< session present flag */
|
||||
} bits;
|
||||
#else
|
||||
struct
|
||||
{
|
||||
unsigned int sessionpresent : 1; /**< session present flag */
|
||||
unsigned int reserved: 7; /**< unused */
|
||||
} bits;
|
||||
#endif
|
||||
} MQTTConnackFlags; /**< connack flags byte */
|
||||
|
||||
#define MQTTPacket_connectData_initializer { {'M', 'Q', 'T', 'C'}, 0, 4, {NULL, {0, NULL}}, 60, 1, 0, \
|
||||
MQTTPacket_willOptions_initializer, {NULL, {0, NULL}}, {NULL, {0, NULL}} }
|
||||
|
||||
DLLExport int MQTTSerialize_connect(unsigned char* buf , int buflen, MQTTPacket_connectData* options);
|
||||
DLLExport int MQTTDeserialize_connect(MQTTPacket_connectData* data, unsigned char* buf, int len);
|
||||
|
||||
DLLExport int MQTTSerialize_connack(unsigned char* buf, int buflen, unsigned char connack_rc, unsigned char sessionPresent);
|
||||
DLLExport int MQTTDeserialize_connack(unsigned char* sessionPresent, unsigned char* connack_rc, unsigned char* buf, int buflen);
|
||||
|
||||
DLLExport int MQTTSerialize_disconnect(unsigned char* buf, int buflen);
|
||||
DLLExport int MQTTSerialize_pingreq(unsigned char* buf, int buflen);
|
||||
|
||||
#endif /* MQTTCONNECT_H_ */
|
||||
@@ -0,0 +1,21 @@
|
||||
#if !defined(MQTTFORMAT_H)
|
||||
#define MQTTFORMAT_H
|
||||
|
||||
#include "StackTrace.h"
|
||||
#include "MQTTPacket.h"
|
||||
|
||||
const char* MQTTPacket_getName(unsigned short packetid);
|
||||
int MQTTStringFormat_connect(char* strbuf, int strbuflen, MQTTPacket_connectData* data);
|
||||
int MQTTStringFormat_connack(char* strbuf, int strbuflen, unsigned char connack_rc, unsigned char sessionPresent);
|
||||
int MQTTStringFormat_publish(char* strbuf, int strbuflen, unsigned char dup, int qos, unsigned char retained,
|
||||
unsigned short packetid, MQTTString topicName, unsigned char* payload, int payloadlen);
|
||||
int MQTTStringFormat_ack(char* strbuf, int strbuflen, unsigned char packettype, unsigned char dup, unsigned short packetid);
|
||||
int MQTTStringFormat_subscribe(char* strbuf, int strbuflen, unsigned char dup, unsigned short packetid, int count,
|
||||
MQTTString topicFilters[], int requestedQoSs[]);
|
||||
int MQTTStringFormat_suback(char* strbuf, int strbuflen, unsigned short packetid, int count, int* grantedQoSs);
|
||||
int MQTTStringFormat_unsubscribe(char* strbuf, int strbuflen, unsigned char dup, unsigned short packetid,
|
||||
int count, MQTTString topicFilters[]);
|
||||
char* MQTTFormat_toClientString(char* strbuf, int strbuflen, unsigned char* buf, int buflen);
|
||||
char* MQTTFormat_toServerString(char* strbuf, int strbuflen, unsigned char* buf, int buflen);
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,116 @@
|
||||
#ifndef MQTTPACKET_H_
|
||||
#define MQTTPACKET_H_
|
||||
|
||||
#if defined(__cplusplus) /* If this is a C++ compiler, use C linkage */
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#if defined(WIN32_DLL) || defined(WIN64_DLL)
|
||||
#define DLLImport __declspec(dllimport)
|
||||
#define DLLExport __declspec(dllexport)
|
||||
#elif defined(LINUX_SO)
|
||||
#define DLLImport extern
|
||||
#define DLLExport __attribute__ ((visibility ("default")))
|
||||
#else
|
||||
#define DLLImport
|
||||
#define DLLExport
|
||||
#endif
|
||||
|
||||
enum errors
|
||||
{
|
||||
MQTTPACKET_BUFFER_TOO_SHORT = -2,
|
||||
MQTTPACKET_READ_ERROR = -1,
|
||||
MQTTPACKET_READ_COMPLETE
|
||||
};
|
||||
|
||||
enum msgTypes
|
||||
{
|
||||
CONNECT = 1, CONNACK, PUBLISH, PUBACK, PUBREC, PUBREL,
|
||||
PUBCOMP, SUBSCRIBE, SUBACK, UNSUBSCRIBE, UNSUBACK,
|
||||
PINGREQ, PINGRESP, DISCONNECT
|
||||
};
|
||||
|
||||
/**
|
||||
* Bitfields for the MQTT header byte.
|
||||
*/
|
||||
typedef union
|
||||
{
|
||||
unsigned char byte; /**< the whole byte */
|
||||
#if defined(REVERSED)
|
||||
struct
|
||||
{
|
||||
unsigned int type : 4; /**< message type nibble */
|
||||
unsigned int dup : 1; /**< DUP flag bit */
|
||||
unsigned int qos : 2; /**< QoS value, 0, 1 or 2 */
|
||||
unsigned int retain : 1; /**< retained flag bit */
|
||||
} bits;
|
||||
#else
|
||||
struct
|
||||
{
|
||||
unsigned int retain : 1; /**< retained flag bit */
|
||||
unsigned int qos : 2; /**< QoS value, 0, 1 or 2 */
|
||||
unsigned int dup : 1; /**< DUP flag bit */
|
||||
unsigned int type : 4; /**< message type nibble */
|
||||
} bits;
|
||||
#endif
|
||||
} MQTTHeader;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
int len;
|
||||
char* data;
|
||||
} MQTTLenString;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
char* cstring;
|
||||
MQTTLenString lenstring;
|
||||
} MQTTString;
|
||||
|
||||
#define MQTTString_initializer {NULL, {0, NULL}}
|
||||
|
||||
int MQTTstrlen(MQTTString mqttstring);
|
||||
|
||||
#include "MQTTConnect.h"
|
||||
#include "MQTTPublish.h"
|
||||
#include "MQTTSubscribe.h"
|
||||
#include "MQTTUnsubscribe.h"
|
||||
#include "MQTTFormat.h"
|
||||
|
||||
DLLExport int MQTTSerialize_ack(unsigned char* buf, int buflen, unsigned char type, unsigned char dup, unsigned short packetid);
|
||||
DLLExport int MQTTDeserialize_ack(unsigned char* packettype, unsigned char* dup, unsigned short* packetid, unsigned char* buf, int buflen);
|
||||
|
||||
int MQTTPacket_len(int rem_len);
|
||||
DLLExport int MQTTPacket_equals(MQTTString* a, char* b);
|
||||
|
||||
DLLExport int MQTTPacket_encode(unsigned char* buf, int length);
|
||||
int MQTTPacket_decode(int (*getcharfn)(unsigned char*, int), int* value);
|
||||
int MQTTPacket_decodeBuf(unsigned char* buf, int* value);
|
||||
|
||||
int readInt(unsigned char** pptr);
|
||||
char readChar(unsigned char** pptr);
|
||||
void writeChar(unsigned char** pptr, char c);
|
||||
void writeInt(unsigned char** pptr, int anInt);
|
||||
int readMQTTLenString(MQTTString* mqttstring, unsigned char** pptr, unsigned char* enddata);
|
||||
void writeCString(unsigned char** pptr, const char* string);
|
||||
void writeMQTTString(unsigned char** pptr, MQTTString mqttstring);
|
||||
|
||||
DLLExport int MQTTPacket_read(unsigned char* buf, int buflen, int (*getfn)(unsigned char*, int));
|
||||
|
||||
typedef struct {
|
||||
int (*getfn)(void *, unsigned char*, int); /* must return -1 for error, 0 for call again, or the number of bytes read */
|
||||
void *sck; /* pointer to whatever the system may use to identify the transport */
|
||||
int multiplier;
|
||||
int rem_len;
|
||||
int len;
|
||||
char state;
|
||||
}MQTTTransport;
|
||||
|
||||
int MQTTPacket_readnb(unsigned char* buf, int buflen, MQTTTransport *trp);
|
||||
|
||||
#ifdef __cplusplus /* If this is a C++ compiler, use C linkage */
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#endif /* MQTTPACKET_H_ */
|
||||
@@ -0,0 +1,21 @@
|
||||
#ifndef MQTTPUBLISH_H_
|
||||
#define MQTTPUBLISH_H_
|
||||
|
||||
#if !defined(DLLImport)
|
||||
#define DLLImport
|
||||
#endif
|
||||
#if !defined(DLLExport)
|
||||
#define DLLExport
|
||||
#endif
|
||||
|
||||
DLLExport int MQTTSerialize_publish(unsigned char* buf, int buflen, unsigned char dup, int qos, unsigned char retained, unsigned short packetid,
|
||||
MQTTString topicName, unsigned char* payload, int payloadlen);
|
||||
|
||||
DLLExport int MQTTDeserialize_publish(unsigned char* dup, int* qos, unsigned char* retained, unsigned short* packetid, MQTTString* topicName,
|
||||
unsigned char** payload, int* payloadlen, unsigned char* buf, int len);
|
||||
|
||||
DLLExport int MQTTSerialize_puback(unsigned char* buf, int buflen, unsigned short packetid);
|
||||
DLLExport int MQTTSerialize_pubrel(unsigned char* buf, int buflen, unsigned char dup, unsigned short packetid);
|
||||
DLLExport int MQTTSerialize_pubcomp(unsigned char* buf, int buflen, unsigned short packetid);
|
||||
DLLExport int MQTTSerialize_pubrec(unsigned char* buf, int buflen, unsigned short packetid);
|
||||
#endif /* MQTTPUBLISH_H_ */
|
||||
@@ -0,0 +1,22 @@
|
||||
#ifndef MQTTSUBSCRIBE_H_
|
||||
#define MQTTSUBSCRIBE_H_
|
||||
|
||||
#if !defined(DLLImport)
|
||||
#define DLLImport
|
||||
#endif
|
||||
#if !defined(DLLExport)
|
||||
#define DLLExport
|
||||
#endif
|
||||
|
||||
DLLExport int MQTTSerialize_subscribe(unsigned char* buf, int buflen, unsigned char dup, unsigned short packetid,
|
||||
int count, MQTTString topicFilters[], int requestedQoSs[]);
|
||||
|
||||
DLLExport int MQTTDeserialize_subscribe(unsigned char* dup, unsigned short* packetid,
|
||||
int maxcount, int* count, MQTTString topicFilters[], int requestedQoSs[], unsigned char* buf, int len);
|
||||
|
||||
DLLExport int MQTTSerialize_suback(unsigned char* buf, int buflen, unsigned short packetid, int count, int* grantedQoSs);
|
||||
|
||||
DLLExport int MQTTDeserialize_suback(unsigned short* packetid, int maxcount, int* count, int grantedQoSs[], unsigned char* buf, int len);
|
||||
|
||||
|
||||
#endif /* MQTTSUBSCRIBE_H_ */
|
||||
@@ -0,0 +1,21 @@
|
||||
#ifndef MQTTUNSUBSCRIBE_H_
|
||||
#define MQTTUNSUBSCRIBE_H_
|
||||
|
||||
#if !defined(DLLImport)
|
||||
#define DLLImport
|
||||
#endif
|
||||
#if !defined(DLLExport)
|
||||
#define DLLExport
|
||||
#endif
|
||||
|
||||
DLLExport int MQTTSerialize_unsubscribe(unsigned char* buf, int buflen, unsigned char dup, unsigned short packetid,
|
||||
int count, MQTTString topicFilters[]);
|
||||
|
||||
DLLExport int MQTTDeserialize_unsubscribe(unsigned char* dup, unsigned short* packetid, int max_count, int* count, MQTTString topicFilters[],
|
||||
unsigned char* buf, int len);
|
||||
|
||||
DLLExport int MQTTSerialize_unsuback(unsigned char* buf, int buflen, unsigned short packetid);
|
||||
|
||||
DLLExport int MQTTDeserialize_unsuback(unsigned short* packetid, unsigned char* buf, int len);
|
||||
|
||||
#endif /* MQTTUNSUBSCRIBE_H_ */
|
||||
@@ -0,0 +1,61 @@
|
||||
#ifndef STACKTRACE_H_
|
||||
#define STACKTRACE_H_
|
||||
|
||||
#include <stdio.h>
|
||||
#define NOSTACKTRACE 1
|
||||
|
||||
#if defined(NOSTACKTRACE)
|
||||
#define FUNC_ENTRY
|
||||
#define FUNC_ENTRY_NOLOG
|
||||
#define FUNC_ENTRY_MED
|
||||
#define FUNC_ENTRY_MAX
|
||||
#define FUNC_EXIT
|
||||
#define FUNC_EXIT_NOLOG
|
||||
#define FUNC_EXIT_MED
|
||||
#define FUNC_EXIT_MAX
|
||||
#define FUNC_EXIT_RC(x)
|
||||
#define FUNC_EXIT_MED_RC(x)
|
||||
#define FUNC_EXIT_MAX_RC(x)
|
||||
|
||||
#else
|
||||
|
||||
#if defined(WIN32)
|
||||
#define inline __inline
|
||||
#define FUNC_ENTRY StackTrace_entry(__FUNCTION__, __LINE__, TRACE_MINIMUM)
|
||||
#define FUNC_ENTRY_NOLOG StackTrace_entry(__FUNCTION__, __LINE__, -1)
|
||||
#define FUNC_ENTRY_MED StackTrace_entry(__FUNCTION__, __LINE__, TRACE_MEDIUM)
|
||||
#define FUNC_ENTRY_MAX StackTrace_entry(__FUNCTION__, __LINE__, TRACE_MAXIMUM)
|
||||
#define FUNC_EXIT StackTrace_exit(__FUNCTION__, __LINE__, NULL, TRACE_MINIMUM)
|
||||
#define FUNC_EXIT_NOLOG StackTrace_exit(__FUNCTION__, __LINE__, -1)
|
||||
#define FUNC_EXIT_MED StackTrace_exit(__FUNCTION__, __LINE__, NULL, TRACE_MEDIUM)
|
||||
#define FUNC_EXIT_MAX StackTrace_exit(__FUNCTION__, __LINE__, NULL, TRACE_MAXIMUM)
|
||||
#define FUNC_EXIT_RC(x) StackTrace_exit(__FUNCTION__, __LINE__, &x, TRACE_MINIMUM)
|
||||
#define FUNC_EXIT_MED_RC(x) StackTrace_exit(__FUNCTION__, __LINE__, &x, TRACE_MEDIUM)
|
||||
#define FUNC_EXIT_MAX_RC(x) StackTrace_exit(__FUNCTION__, __LINE__, &x, TRACE_MAXIMUM)
|
||||
#else
|
||||
#define FUNC_ENTRY StackTrace_entry(__func__, __LINE__, TRACE_MINIMUM)
|
||||
#define FUNC_ENTRY_NOLOG StackTrace_entry(__func__, __LINE__, -1)
|
||||
#define FUNC_ENTRY_MED StackTrace_entry(__func__, __LINE__, TRACE_MEDIUM)
|
||||
#define FUNC_ENTRY_MAX StackTrace_entry(__func__, __LINE__, TRACE_MAXIMUM)
|
||||
#define FUNC_EXIT StackTrace_exit(__func__, __LINE__, NULL, TRACE_MINIMUM)
|
||||
#define FUNC_EXIT_NOLOG StackTrace_exit(__func__, __LINE__, NULL, -1)
|
||||
#define FUNC_EXIT_MED StackTrace_exit(__func__, __LINE__, NULL, TRACE_MEDIUM)
|
||||
#define FUNC_EXIT_MAX StackTrace_exit(__func__, __LINE__, NULL, TRACE_MAXIMUM)
|
||||
#define FUNC_EXIT_RC(x) StackTrace_exit(__func__, __LINE__, &x, TRACE_MINIMUM)
|
||||
#define FUNC_EXIT_MED_RC(x) StackTrace_exit(__func__, __LINE__, &x, TRACE_MEDIUM)
|
||||
#define FUNC_EXIT_MAX_RC(x) StackTrace_exit(__func__, __LINE__, &x, TRACE_MAXIMUM)
|
||||
|
||||
void StackTrace_entry(const char* name, int line, int trace);
|
||||
void StackTrace_exit(const char* name, int line, void* return_value, int trace);
|
||||
|
||||
void StackTrace_printStack(FILE* dest);
|
||||
char* StackTrace_get(unsigned long);
|
||||
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
#endif /* STACKTRACE_H_ */
|
||||
@@ -0,0 +1,41 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_conf.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Library configuration file.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_CONF_H
|
||||
#define __CH32V20x_CONF_H
|
||||
|
||||
#include "ch32v20x_adc.h"
|
||||
#include "ch32v20x_bkp.h"
|
||||
#include "ch32v20x_can.h"
|
||||
#include "ch32v20x_crc.h"
|
||||
#include "ch32v20x_dbgmcu.h"
|
||||
#include "ch32v20x_dma.h"
|
||||
#include "ch32v20x_exti.h"
|
||||
#include "ch32v20x_flash.h"
|
||||
#include "ch32v20x_gpio.h"
|
||||
#include "ch32v20x_i2c.h"
|
||||
#include "ch32v20x_iwdg.h"
|
||||
#include "ch32v20x_pwr.h"
|
||||
#include "ch32v20x_rcc.h"
|
||||
#include "ch32v20x_rtc.h"
|
||||
#include "ch32v20x_spi.h"
|
||||
#include "ch32v20x_tim.h"
|
||||
#include "ch32v20x_usart.h"
|
||||
#include "ch32v20x_wwdg.h"
|
||||
#include "ch32v20x_it.h"
|
||||
#include "ch32v20x_misc.h"
|
||||
|
||||
#endif /* __CH32V20x_CONF_H */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,81 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main Interrupt Service Routines.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x_it.h"
|
||||
#include <wchnet.h>
|
||||
#include "eth_driver.h"
|
||||
|
||||
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void ETH_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void TIM2_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
u8 publishValid = 0;
|
||||
u16 timeCnt = 0;
|
||||
/*********************************************************************
|
||||
* @fn NMI_Handler
|
||||
*
|
||||
* @brief This function handles NMI exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void NMI_Handler(void)
|
||||
{
|
||||
/**/
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn HardFault_Handler
|
||||
*
|
||||
* @brief This function handles Hard Fault exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
printf("HardFault_Handler\r\n");
|
||||
printf("mcause:%08x\r\n",__get_MCAUSE());
|
||||
printf("mtval:%08x\r\n",__get_MTVAL());
|
||||
printf("mepc:%08x\r\n",__get_MEPC());
|
||||
while (1);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn ETH_IRQHandler
|
||||
*
|
||||
* @brief This function handles ETH exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void ETH_IRQHandler(void)
|
||||
{
|
||||
WCHNET_ETHIsr();
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM2_IRQHandler
|
||||
*
|
||||
* @brief This function handles TIM2 exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM2_IRQHandler(void)
|
||||
{
|
||||
if(!publishValid){ //Set the publishValid flag every 20s
|
||||
timeCnt += 10;
|
||||
if(timeCnt > 20000){
|
||||
publishValid = 1;
|
||||
timeCnt = 0;
|
||||
}
|
||||
}
|
||||
WCHNET_TimeIsr(WCHNETTIMERPERIOD);
|
||||
TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
|
||||
}
|
||||
|
||||
@@ -0,0 +1,20 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : This file contains the headers of the interrupt handlers.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_IT_H
|
||||
#define __CH32V20x_IT_H
|
||||
|
||||
#include "debug.h"
|
||||
extern u8 publishValid;
|
||||
|
||||
#endif /* __CH32V20x_IT_H */
|
||||
|
||||
|
||||
@@ -0,0 +1,448 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : main.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2022/01/18
|
||||
* Description : Main program body.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
/*
|
||||
*@Note
|
||||
MQTT example, this program is used to demonstrate TCP/IP-based MQTT protocol communication,
|
||||
After the single-chip microcomputer connects to Ethernet and MQTT server, a topic will be released.
|
||||
Subscribe to this topic and publish messages to this topic.
|
||||
|
||||
For details on the selection of engineering chips,
|
||||
please refer to the "CH32V20x Evaluation Board Manual" under the CH32V20xEVT\EVT\PUB folder.
|
||||
*/
|
||||
#include "string.h"
|
||||
#include "debug.h"
|
||||
#include "eth_driver.h"
|
||||
#include "MQTTPacket.h"
|
||||
|
||||
u8 MACAddr[6]; //MAC address
|
||||
u8 IPAddr[4] = {192,168,1,10}; //IP address
|
||||
u8 GWIPAddr[4] = {192,168,1,1}; //Gateway IP address
|
||||
u8 IPMask[4] = {255,255,255,0}; //subnet mask
|
||||
u8 DESIP[4] = {0}; //MQTT server IP address,!!need to be modified manually
|
||||
|
||||
u8 SocketId; //socket id
|
||||
u8 SocketRecvBuf[RECE_BUF_LEN]; //socket receive buffer
|
||||
u8 MyBuf[RECE_BUF_LEN];
|
||||
u16 desport = 1883; //MQTT server port
|
||||
u16 srcport = 4200; //source port
|
||||
|
||||
char *username = "user1"; //Device name, unique for each device, available "/" for classification
|
||||
char *password = "user1"; //Server login password
|
||||
char *sub_topic = "topic/1"; //subscribed session name
|
||||
char *pub_topic = "topic/1"; //Published session name
|
||||
int pub_qos = 0; //Publish quality of service
|
||||
int sub_qos = 0; //Subscription quality of service
|
||||
char *payload = "WCHNET MQTT"; //Publish content
|
||||
|
||||
u8 con_flag = 0; //Connect MQTT server flag
|
||||
u8 pub_flag = 0; //Publish session message flag/
|
||||
u8 sub_flag = 0; //Subscription session flag
|
||||
u8 tout_flag = 0; //time-out flag
|
||||
u16 packetid = 5; //package id
|
||||
|
||||
/*********************************************************************
|
||||
* @fn mStopIfError
|
||||
*
|
||||
* @brief check if error.
|
||||
*
|
||||
* @param iError - error constants.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void mStopIfError(u8 iError)
|
||||
{
|
||||
if (iError == WCHNET_ERR_SUCCESS) return;
|
||||
printf("Error: %02X\r\n", (u16)iError);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM2_Init
|
||||
*
|
||||
* @brief Initializes TIM2.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM2_Init( void )
|
||||
{
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure={0};
|
||||
|
||||
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
|
||||
|
||||
TIM_TimeBaseStructure.TIM_Period = SystemCoreClock / 1000000 - 1;
|
||||
TIM_TimeBaseStructure.TIM_Prescaler = WCHNETTIMERPERIOD * 1000 - 1;
|
||||
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
|
||||
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
|
||||
TIM_ITConfig(TIM2, TIM_IT_Update ,ENABLE);
|
||||
|
||||
TIM_Cmd(TIM2, ENABLE);
|
||||
TIM_ClearITPendingBit(TIM2, TIM_IT_Update );
|
||||
NVIC_EnableIRQ(TIM2_IRQn);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn Transport_Open
|
||||
*
|
||||
* @brief open the TCP connection.
|
||||
*
|
||||
* @return socket id
|
||||
*/
|
||||
u8 Transport_Open(void)
|
||||
{
|
||||
u8 i;
|
||||
SOCK_INF TmpSocketInf;
|
||||
|
||||
memset((void *)&TmpSocketInf,0,sizeof(SOCK_INF));
|
||||
memcpy((void *)TmpSocketInf.IPAddr,DESIP,4);
|
||||
TmpSocketInf.DesPort = desport;
|
||||
TmpSocketInf.SourPort = srcport;
|
||||
TmpSocketInf.ProtoType = PROTO_TYPE_TCP;
|
||||
TmpSocketInf.RecvBufLen = RECE_BUF_LEN;
|
||||
i = WCHNET_SocketCreat(&SocketId,&TmpSocketInf);
|
||||
mStopIfError(i);
|
||||
|
||||
i = WCHNET_SocketConnect(SocketId);
|
||||
mStopIfError(i);
|
||||
return SocketId;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn Transport_Close
|
||||
*
|
||||
* @brief close the TCP connection.
|
||||
*
|
||||
* @return @ERR_T
|
||||
*/
|
||||
u8 Transport_Close(void)
|
||||
{
|
||||
u8 i;
|
||||
i = WCHNET_SocketClose(SocketId,TCP_CLOSE_NORMAL);
|
||||
mStopIfError(i);
|
||||
return i;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn Transport_SendPacket
|
||||
*
|
||||
* @brief send data.
|
||||
*
|
||||
* @param buf - data buff.
|
||||
* len - data length
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void Transport_SendPacket(u8 *buf, u32 len)
|
||||
{
|
||||
WCHNET_SocketSend(SocketId, buf, &len);
|
||||
printf("%d bytes uploaded!\r\n",len);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn MQTT_Connect
|
||||
*
|
||||
* @brief Establish MQTT connection.
|
||||
*
|
||||
* @param username - user name.
|
||||
* password - password
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void MQTT_Connect(char *username, char *password)
|
||||
{
|
||||
MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
|
||||
u32 len;
|
||||
u8 buf[200];
|
||||
|
||||
data.clientID.cstring = "admin1";
|
||||
data.keepAliveInterval = 2000;
|
||||
data.cleansession = 1;
|
||||
data.username.cstring = username;
|
||||
data.password.cstring = password;
|
||||
|
||||
len = MQTTSerialize_connect(buf,sizeof(buf),&data);
|
||||
Transport_SendPacket(buf,len);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn MQTT_Subscribe
|
||||
*
|
||||
* @brief MQTT subscribes to a topic.
|
||||
*
|
||||
* @param topic - Topic name to subscribe to.
|
||||
* req_qos - quality of service
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void MQTT_Subscribe( char *topic,int req_qos)
|
||||
{
|
||||
MQTTString topicString = MQTTString_initializer;
|
||||
u32 len;
|
||||
u32 msgid = 1;
|
||||
u8 buf[200];
|
||||
|
||||
topicString.cstring = topic;
|
||||
len = MQTTSerialize_subscribe(buf,sizeof(buf),0,msgid,1,&topicString,&req_qos);
|
||||
Transport_SendPacket(buf,len);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn MQTT_Unsubscribe
|
||||
*
|
||||
* @brief MQTT unsubscribe from a topic.
|
||||
*
|
||||
* @param topic - Topic name to unsubscribe to.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void MQTT_Unsubscribe(char *topic)
|
||||
{
|
||||
MQTTString topicString = MQTTString_initializer;
|
||||
u32 len;
|
||||
u32 msgid = 1;
|
||||
u8 buf[200];
|
||||
|
||||
topicString.cstring = topic;
|
||||
len = MQTTSerialize_unsubscribe(buf,sizeof(buf),0,msgid,1,&topicString);
|
||||
Transport_SendPacket(buf,len);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn MQTT_Publish
|
||||
*
|
||||
* @brief MQTT publishes a topic.
|
||||
*
|
||||
* @param topic - Published topic name.
|
||||
* qos - quality of service
|
||||
* payload - data buff
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void MQTT_Publish(char *topic, int qos, char *payload)
|
||||
{
|
||||
MQTTString topicString = MQTTString_initializer;
|
||||
u32 payloadlen;
|
||||
u32 len;
|
||||
u8 buf[1024];
|
||||
|
||||
topicString.cstring = topic;
|
||||
payloadlen = strlen(payload);
|
||||
len = MQTTSerialize_publish(buf,sizeof(buf),0,qos,0,packetid++,topicString,payload,payloadlen);
|
||||
Transport_SendPacket(buf,len);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn MQTT_Pingreq
|
||||
*
|
||||
* @brief MQTT sends heartbeat packet
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void MQTT_Pingreq(void)
|
||||
{
|
||||
u32 len;
|
||||
u8 buf[200];
|
||||
|
||||
len = MQTTSerialize_pingreq(buf,sizeof(buf));
|
||||
Transport_SendPacket(buf,len);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn MQTT_Disconnect
|
||||
*
|
||||
* @brief Disconnect the MQTT connection
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void MQTT_Disconnect(void)
|
||||
{
|
||||
u32 len;
|
||||
u8 buf[50];
|
||||
len = MQTTSerialize_disconnect(buf,sizeof(buf));
|
||||
Transport_SendPacket(buf,len);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn msgDeal
|
||||
*
|
||||
* @brief Dealing with subscription information.
|
||||
*
|
||||
* @param msg - data buff
|
||||
* len - data length
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void msgDeal(unsigned char *msg, int len)
|
||||
{
|
||||
unsigned char *ptr = msg;
|
||||
printf("payload len = %d\r\n",len);
|
||||
printf("payload: ");
|
||||
for(u8 i = 0; i < len; i++)
|
||||
{
|
||||
printf("%c ",(u16)*ptr);
|
||||
ptr++;
|
||||
}
|
||||
printf("\r\n");
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn WCHNET_HandleSockInt
|
||||
*
|
||||
* @brief Socket Interrupt Handle
|
||||
*
|
||||
* @param socketid - socket id.
|
||||
* intstat - interrupt status
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void WCHNET_HandleSockInt(u8 socketid, u8 intstat)
|
||||
{
|
||||
u32 len;
|
||||
int qos, payloadlen;
|
||||
MQTTString topicName;
|
||||
unsigned short packetid;
|
||||
unsigned char retained, dup;
|
||||
unsigned char *payload;
|
||||
|
||||
if(intstat & SINT_STAT_RECV) //receive data
|
||||
{
|
||||
len = WCHNET_SocketRecvLen(socketid,NULL);
|
||||
WCHNET_SocketRecv(socketid,MyBuf,&len);
|
||||
switch(MyBuf[0]>>4)
|
||||
{
|
||||
case CONNACK:
|
||||
printf("CONNACK\r\n");
|
||||
con_flag = 1;
|
||||
MQTT_Subscribe(sub_topic, sub_qos);
|
||||
break;
|
||||
|
||||
case PUBLISH:
|
||||
MQTTDeserialize_publish(&dup,&qos,&retained,&packetid,&topicName,
|
||||
&payload,&payloadlen,MyBuf,len);
|
||||
msgDeal(payload, payloadlen);
|
||||
break;
|
||||
|
||||
case SUBACK:
|
||||
sub_flag = 1;
|
||||
printf("SUBACK\r\n");
|
||||
break;
|
||||
|
||||
default:
|
||||
|
||||
break;
|
||||
}
|
||||
memset(MyBuf, 0 ,sizeof(MyBuf));
|
||||
}
|
||||
if(intstat & SINT_STAT_CONNECT) //connect successfully
|
||||
{
|
||||
WCHNET_ModifyRecvBuf(socketid, (u32)SocketRecvBuf, RECE_BUF_LEN);
|
||||
MQTT_Connect(username, password);
|
||||
printf("TCP Connect Success\r\n");
|
||||
}
|
||||
if(intstat & SINT_STAT_DISCONNECT) //disconnect
|
||||
{
|
||||
con_flag = 0;
|
||||
printf("TCP Disconnect\r\n");
|
||||
}
|
||||
if(intstat & SINT_STAT_TIM_OUT) //timeout disconnect
|
||||
{
|
||||
con_flag = 0;
|
||||
printf("TCP Timeout\r\n");
|
||||
Transport_Open();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn WCHNET_HandleGlobalInt
|
||||
*
|
||||
* @brief Global Interrupt Handle
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void WCHNET_HandleGlobalInt(void)
|
||||
{
|
||||
u8 intstat;
|
||||
u16 i;
|
||||
u8 socketint;
|
||||
|
||||
intstat = WCHNET_GetGlobalInt(); //get global interrupt flag
|
||||
if(intstat & GINT_STAT_UNREACH) //Unreachable interrupt
|
||||
{
|
||||
printf("GINT_STAT_UNREACH\r\n");
|
||||
}
|
||||
if(intstat & GINT_STAT_IP_CONFLI) //IP conflict
|
||||
{
|
||||
printf("GINT_STAT_IP_CONFLI\r\n");
|
||||
}
|
||||
if(intstat & GINT_STAT_PHY_CHANGE) //PHY status change
|
||||
{
|
||||
i = WCHNET_GetPHYStatus();
|
||||
if(i&PHY_Linked_Status)
|
||||
printf("PHY Link Success\r\n");
|
||||
}
|
||||
if(intstat & GINT_STAT_SOCKET) //socket related interrupt
|
||||
{
|
||||
for(i = 0; i < WCHNET_MAX_SOCKET_NUM; i++)
|
||||
{
|
||||
socketint = WCHNET_GetSocketInt(i);
|
||||
if(socketint) WCHNET_HandleSockInt(i, socketint);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
u8 i;
|
||||
Delay_Init();
|
||||
USART_Printf_Init(115200); //USART initialize
|
||||
printf("MQTT\r\n");
|
||||
printf("SystemClk:%d\r\n",SystemCoreClock);
|
||||
printf("net version:%x\n",WCHNET_GetVer());
|
||||
if( WCHNET_LIB_VER != WCHNET_GetVer() ){
|
||||
printf("version error.\n");
|
||||
}
|
||||
WCHNET_GetMacAddr(MACAddr); //get the chip MAC address
|
||||
printf("mac addr:");
|
||||
for(i = 0; i < 6; i++)
|
||||
printf("%x ",MACAddr[i]);
|
||||
printf("\n");
|
||||
TIM2_Init();
|
||||
i = ETH_LibInit(IPAddr,GWIPAddr,IPMask,MACAddr); //Ethernet library initialize
|
||||
mStopIfError(i);
|
||||
if(i == WCHNET_ERR_SUCCESS) printf("WCHNET_LibInit Success\r\n");
|
||||
Transport_Open(); //open the TCP connection.
|
||||
|
||||
while(1)
|
||||
{
|
||||
/*Ethernet library main task function,
|
||||
* which needs to be called cyclically*/
|
||||
WCHNET_MainTask();
|
||||
/*Query the Ethernet global interrupt,
|
||||
* if there is an interrupt, call the global interrupt handler*/
|
||||
if(WCHNET_QueryGlobalInt())
|
||||
{
|
||||
WCHNET_HandleGlobalInt();
|
||||
}
|
||||
if (publishValid == 1) {
|
||||
publishValid = 0;
|
||||
if(con_flag) MQTT_Publish(pub_topic, pub_qos, payload);
|
||||
// if(con_flag) MQTT_Pingreq(); //heartbeat packet
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,144 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : net_config.h
|
||||
* Author : WCH
|
||||
* Version : V1.30
|
||||
* Date : 2022/06/02
|
||||
* Description : This file contains the configurations of
|
||||
* Ethernet protocol stack library
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __NET_CONFIG_H__
|
||||
#define __NET_CONFIG_H__
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* socket configuration, IPRAW + UDP + TCP + TCP_LISTEN = number of sockets
|
||||
*/
|
||||
#define WCHNET_NUM_IPRAW 0 /* Number of IPRAW connections */
|
||||
|
||||
#define WCHNET_NUM_UDP 0 /* The number of UDP connections */
|
||||
|
||||
#define WCHNET_NUM_TCP 1 /* Number of TCP connections */
|
||||
|
||||
#define WCHNET_NUM_TCP_LISTEN 0 /* Number of TCP listening */
|
||||
|
||||
/* The number of sockets, the maximum is 31 */
|
||||
#define WCHNET_MAX_SOCKET_NUM (WCHNET_NUM_IPRAW+WCHNET_NUM_UDP+WCHNET_NUM_TCP+WCHNET_NUM_TCP_LISTEN)
|
||||
|
||||
#define WCHNET_TCP_MSS 1460 /* Size of TCP MSS*/
|
||||
|
||||
/*********************************************************************
|
||||
* MAC queue configuration
|
||||
*/
|
||||
#define ETH_TXBUFNB 1 /* The number of descriptors sent by the MAC */
|
||||
|
||||
#define ETH_RXBUFNB 4 /* Number of MAC received descriptors */
|
||||
|
||||
#ifndef ETH_MAX_PACKET_SIZE
|
||||
#define ETH_RX_BUF_SZE 1520 /* MAC receive buffer length, an integer multiple of 4 */
|
||||
#define ETH_TX_BUF_SZE 1520 /* MAC send buffer length, an integer multiple of 4 */
|
||||
#else
|
||||
#define ETH_RX_BUF_SZE ETH_MAX_PACKET_SIZE
|
||||
#define ETH_TX_BUF_SZE ETH_MAX_PACKET_SIZE
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* Functional configuration
|
||||
*/
|
||||
#define WCHNET_PING_ENABLE 1 /* PING is enabled, PING is enabled by default */
|
||||
|
||||
#define TCP_RETRY_COUNT 20 /* The number of TCP retransmissions, the default value is 20 */
|
||||
|
||||
#define TCP_RETRY_PERIOD 10 /* TCP retransmission period, the default value is 10, the unit is 50ms */
|
||||
|
||||
#define SOCKET_SEND_RETRY 1 /* Send failed retry configuration, 1: enable, 0: disable */
|
||||
|
||||
#define CFG0_TCP_SEND_COPY 1 /* TCP send buffer copy, 1: copy, 0: not copy */
|
||||
|
||||
#define CFG0_TCP_RECV_COPY 1 /* TCP receive replication optimization, internal debugging use */
|
||||
|
||||
#define CFG0_TCP_OLD_DELETE 0 /* Delete oldest TCP connection, 1: enable, 0: disable */
|
||||
|
||||
/*********************************************************************
|
||||
* Memory related configuration
|
||||
*/
|
||||
/*If a single socket cannot reach full speed,
|
||||
* try to increase RECE_BUF_LEN to (WCHNET_TCP_MSS*4)
|
||||
* and increase WCHNET_NUM_TCP_SEG to (WCHNET_NUM_TCP*4)*/
|
||||
#define RECE_BUF_LEN (WCHNET_TCP_MSS*2) /* socket receive buffer size */
|
||||
|
||||
#define WCHNET_NUM_PBUF (WCHNET_MAX_SOCKET_NUM+WCHNET_NUM_TCP) /* Number of PBUF structures */
|
||||
|
||||
#define WCHNET_NUM_TCP_SEG (WCHNET_NUM_TCP*2) /* The number of TCP segments used to send */
|
||||
|
||||
#define WCHNET_MEM_HEAP_SIZE (((WCHNET_TCP_MSS+0x10+54)*WCHNET_NUM_TCP_SEG)+ETH_TX_BUF_SZE+64) /* memory heap size */
|
||||
|
||||
#define WCHNET_NUM_ARP_TABLE 50 /* Number of ARP lists */
|
||||
|
||||
#define WCHNET_NUM_IP_REASSDATA 4 /* Number of IP segments */
|
||||
|
||||
#define CFG0_IP_REASS_PBUFS 4 /* Number of reassembled IP PBUFs */
|
||||
|
||||
#define WCHNET_MEM_ALIGNMENT 4 /* 4 byte alignment */
|
||||
|
||||
#define WCHNET_NUM_POOL_BUF (WCHNET_NUM_TCP*2+2) /* The number of POOL BUFs, the number of receive queues */
|
||||
|
||||
/* Check the configuration of the SOCKET quantity */
|
||||
#if( WCHNET_NUM_TCP_LISTEN && !WCHNET_NUM_TCP )
|
||||
#error "WCHNET_NUM_TCP Error)"
|
||||
#endif
|
||||
/* Check byte alignment must be a multiple of 4 */
|
||||
#if((WCHNET_MEM_ALIGNMENT % 4) || (WCHNET_MEM_ALIGNMENT == 0))
|
||||
#error "WCHNET_MEM_ALIGNMENT Error,Please Config WCHNET_MEM_ALIGNMENT = 4 * N, N >=1"
|
||||
#endif
|
||||
/* TCP maximum segment length */
|
||||
#if((WCHNET_TCP_MSS > 1460) || (WCHNET_TCP_MSS < 60))
|
||||
#error "WCHNET_TCP_MSS Error,Please Config WCHNET_TCP_MSS >= 60 && WCHNET_TCP_MSS <= 1460"
|
||||
#endif
|
||||
/* Number of ARP cache tables */
|
||||
#if((WCHNET_NUM_ARP_TABLE > 0X7F) || (WCHNET_NUM_ARP_TABLE < 1))
|
||||
#error "WCHNET_NUM_ARP_TABLE Error,Please Config WCHNET_NUM_ARP_TABLE >= 1 && WCHNET_NUM_ARP_TABLE <= 0X7F"
|
||||
#endif
|
||||
/* Check POOL BUF configuration */
|
||||
#if(WCHNET_NUM_POOL_BUF < 1)
|
||||
#error "WCHNET_NUM_POOL_BUF Error,Please Config WCHNET_NUM_POOL_BUF >= 1"
|
||||
#endif
|
||||
/* Check PBUF structure configuration */
|
||||
#if(WCHNET_NUM_PBUF < 1)
|
||||
#error "WCHNET_NUM_PBUF Error,Please Config WCHNET_NUM_PBUF >= 1"
|
||||
#endif
|
||||
/* Check IP Assignment Configuration */
|
||||
#if((WCHNET_NUM_IP_REASSDATA > 10) || (WCHNET_NUM_IP_REASSDATA < 1))
|
||||
#error "WCHNET_NUM_IP_REASSDATA Error,Please Config WCHNET_NUM_IP_REASSDATA < 10 && WCHNET_NUM_IP_REASSDATA >= 1 "
|
||||
#endif
|
||||
/* Check the number of reassembled IP PBUFs */
|
||||
#if(WCHNET_IP_REASS_PBUFS > WCHNET_NUM_POOL_BUF)
|
||||
#error "WCHNET_IP_REASS_PBUFS Error,Please Config WCHNET_IP_REASS_PBUFS < WCHNET_NUM_POOL_BUF"
|
||||
#endif
|
||||
|
||||
#if(WCHNETTIMERPERIOD > 50)
|
||||
#error "WCHNETTIMERPERIOD Error,Please Config WCHNETTIMERPERIOD < 50"
|
||||
#endif
|
||||
|
||||
/* Configuration value 0 */
|
||||
#define WCHNET_MISC_CONFIG0 (((CFG0_TCP_SEND_COPY) << 0) |\
|
||||
((CFG0_TCP_RECV_COPY) << 1) |\
|
||||
((CFG0_TCP_OLD_DELETE) << 2) |\
|
||||
((CFG0_IP_REASS_PBUFS) << 3) )
|
||||
/* Configuration value 1 */
|
||||
#define WCHNET_MISC_CONFIG1 (((WCHNET_MAX_SOCKET_NUM)<<0)|\
|
||||
((WCHNET_PING_ENABLE) << 13) |\
|
||||
((TCP_RETRY_COUNT) << 14) |\
|
||||
((TCP_RETRY_PERIOD) << 19) |\
|
||||
((SOCKET_SEND_RETRY) << 25) )
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
@@ -0,0 +1,990 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Source File.
|
||||
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
|
||||
* For HSE = 8Mhz (other CH32V203x)
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x.h"
|
||||
|
||||
/*
|
||||
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
|
||||
* reset the HSI is used as SYSCLK source).
|
||||
* If none of the define below is enabled, the HSI is used as System clock source.
|
||||
*/
|
||||
//#define SYSCLK_FREQ_HSE HSE_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSE 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSE 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSE 72000000
|
||||
//#define SYSCLK_FREQ_96MHz_HSE 96000000
|
||||
#define SYSCLK_FREQ_120MHz_HSE 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSE 144000000
|
||||
//#define SYSCLK_FREQ_HSI HSI_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSI 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSI 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSI 72000000
|
||||
//#define SYSCLK_FREQ_96MHz_HSI 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSI 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSI 144000000
|
||||
|
||||
/* Clock Definitions */
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#else
|
||||
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
#endif
|
||||
|
||||
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
|
||||
/* system_private_function_proto_types */
|
||||
static void SetSysClock(void);
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
static void SetSysClockToHSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
static void SetSysClockTo48_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
static void SetSysClockTo56_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
static void SetSysClockTo72_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
static void SetSysClockTo96_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
static void SetSysClockTo120_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
static void SetSysClockTo144_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
static void SetSysClockTo48_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
static void SetSysClockTo56_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
static void SetSysClockTo72_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
static void SetSysClockTo96_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
static void SetSysClockTo120_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
static void SetSysClockTo144_HSI( void );
|
||||
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemInit
|
||||
*
|
||||
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
|
||||
* the PLL and update the SystemCoreClock variable.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemInit (void)
|
||||
{
|
||||
RCC->CTLR |= (uint32_t)0x00000001;
|
||||
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
|
||||
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
|
||||
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
|
||||
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
|
||||
RCC->INTR = 0x009F0000;
|
||||
SetSysClock();
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemCoreClockUpdate
|
||||
*
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemCoreClockUpdate (void)
|
||||
{
|
||||
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
|
||||
|
||||
tmp = RCC->CFGR0 & RCC_SWS;
|
||||
|
||||
switch (tmp)
|
||||
{
|
||||
case 0x00:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
case 0x04:
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
case 0x08:
|
||||
pllmull = RCC->CFGR0 & RCC_PLLMULL;
|
||||
pllsource = RCC->CFGR0 & RCC_PLLSRC;
|
||||
pllmull = ( pllmull >> 18) + 2;
|
||||
|
||||
if(pllmull == 17) pllmull = 18;
|
||||
|
||||
if (pllsource == 0x00)
|
||||
{
|
||||
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
|
||||
SystemCoreClock = HSI_VALUE * pllmull;
|
||||
}
|
||||
else{
|
||||
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
if((RCC->CFGR0 & (3<<22)) == (3<<22))
|
||||
{
|
||||
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = HSE_VALUE * pllmull;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
|
||||
|
||||
break;
|
||||
default:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClock
|
||||
*
|
||||
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClock(void)
|
||||
{
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
SetSysClockToHSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
SetSysClockTo48_HSE();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
SetSysClockTo56_HSE();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
SetSysClockTo72_HSE();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
SetSysClockTo96_HSE();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
SetSysClockTo120_HSE();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
SetSysClockTo144_HSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
SetSysClockTo48_HSI();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
SetSysClockTo56_HSI();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
SetSysClockTo72_HSI();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
SetSysClockTo96_HSI();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
SetSysClockTo120_HSI();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
SetSysClockTo144_HSI();
|
||||
|
||||
#endif
|
||||
|
||||
/* If none of the define above is enabled, the HSI is used as System clock
|
||||
* source (default after reset)
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockToHSE
|
||||
*
|
||||
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockToHSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
|
||||
|
||||
/* Select HSE as system clock source
|
||||
* CH32V20x_D6 (HSE=8MHZ)
|
||||
* CH32V20x_D8 (HSE=32MHZ)
|
||||
* CH32V20x_D8W (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
|
||||
|
||||
/* Wait till HSE is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if(HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
RCC->CFGR0 |= (uint32_t)(3<<22);
|
||||
/* HCLK = SYSCLK/2 */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
|
||||
#else
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
#endif
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,32 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Header File.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __SYSTEM_ch32v20x_H
|
||||
#define __SYSTEM_ch32v20x_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
/* System_Exported_Functions */
|
||||
extern void SystemInit(void);
|
||||
extern void SystemCoreClockUpdate(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /*__CH32V20x_SYSTEM_H */
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user