260 lines
8.5 KiB
C
260 lines
8.5 KiB
C
/********************************** (C) COPYRIGHT *******************************
|
|
* File Name : main.c
|
|
* Author : WCH
|
|
* Version : V1.0.0
|
|
* Date : 2022/05/31
|
|
* 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
|
|
UDP Client example, demonstrating that UDP Client receives data and sends back.
|
|
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 "eth_driver.h"
|
|
|
|
#define UDP_RECE_BUF_LEN 1472
|
|
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] = { 192, 168, 1, 100 }; //destination IP address
|
|
u16 desport = 1000; //destination port
|
|
u16 srcport = 1000; //source port
|
|
|
|
u8 SocketId;
|
|
u8 SocketRecvBuf[WCHNET_MAX_SOCKET_NUM][UDP_RECE_BUF_LEN]; //socket receive buffer
|
|
u8 MyBuf[UDP_RECE_BUF_LEN];
|
|
/*********************************************************************
|
|
* @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;
|
|
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 WCHNET_CreateUdpSocket
|
|
*
|
|
* @brief Create UDP Socket
|
|
*
|
|
* @return none
|
|
*/
|
|
void WCHNET_CreateUdpSocket(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_UDP;
|
|
TmpSocketInf.RecvStartPoint = (u32) SocketRecvBuf[SocketId];
|
|
TmpSocketInf.RecvBufLen = UDP_RECE_BUF_LEN;
|
|
i = WCHNET_SocketCreat(&SocketId, &TmpSocketInf);
|
|
printf("WCHNET_SocketCreat %d\r\n", SocketId);
|
|
mStopIfError(i);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @fn WCHNET_DataLoopback
|
|
*
|
|
* @brief Data loopback function.
|
|
*
|
|
* @param id - socket id.
|
|
*
|
|
* @return none
|
|
*/
|
|
void WCHNET_DataLoopback(u8 id)
|
|
{
|
|
#if 1
|
|
u8 i;
|
|
u32 len;
|
|
u32 endAddr = SocketInf[id].RecvStartPoint + SocketInf[id].RecvBufLen; //Receive buffer end address
|
|
|
|
if ((SocketInf[id].RecvReadPoint + SocketInf[id].RecvRemLen) > endAddr) { //Calculate the length of the received data
|
|
len = endAddr - SocketInf[id].RecvReadPoint;
|
|
}
|
|
else {
|
|
len = SocketInf[id].RecvRemLen;
|
|
}
|
|
i = WCHNET_SocketSend(id, (u8 *) SocketInf[id].RecvReadPoint, &len); //send data
|
|
if (i == WCHNET_ERR_SUCCESS) {
|
|
WCHNET_SocketRecv(id, NULL, &len); //Clear sent data
|
|
}
|
|
#else
|
|
u32 len, totallen;
|
|
u8 *p = MyBuf;
|
|
|
|
len = WCHNET_SocketRecvLen(id, NULL); //query length
|
|
printf("Receive Len = %d\n", len);
|
|
totallen = len;
|
|
WCHNET_SocketRecv(id, MyBuf, &len); //Read the data of the receive buffer into MyBuf
|
|
while(1){
|
|
len = totallen;
|
|
WCHNET_SocketSend(id, p, &len); //Send the data
|
|
totallen -= len; //Subtract the sent length from the total length
|
|
p += len; //offset buffer pointer
|
|
if(totallen)continue; //If the data is not sent, continue to send
|
|
break; //After sending, exit
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @fn WCHNET_HandleSockInt
|
|
*
|
|
* @brief Socket Interrupt Handle
|
|
*
|
|
* @param socketid - socket id.
|
|
* intstat - interrupt status
|
|
*
|
|
* @return none
|
|
*/
|
|
void WCHNET_HandleSockInt(u8 socketid, u8 intstat)
|
|
{
|
|
if (intstat & SINT_STAT_RECV) //receive data
|
|
{
|
|
WCHNET_DataLoopback(socketid); //Data loopback
|
|
}
|
|
if (intstat & SINT_STAT_CONNECT) //connect successfully
|
|
{
|
|
printf("TCP Connect Success\r\n");
|
|
}
|
|
if (intstat & SINT_STAT_DISCONNECT) //disconnect
|
|
{
|
|
printf("TCP Disconnect\r\n");
|
|
}
|
|
if (intstat & SINT_STAT_TIM_OUT) //timeout disconnect
|
|
{
|
|
printf("TCP Timeout\r\n");
|
|
}
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @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) {
|
|
for (i = 0; i < WCHNET_MAX_SOCKET_NUM; i++) { //socket related interrupt
|
|
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("UDPClient Test\r\n");
|
|
if((SystemCoreClock == 60000000) || (SystemCoreClock == 120000000))
|
|
printf("SystemClk:%d\r\n", SystemCoreClock);
|
|
else
|
|
printf("Error: Please choose 60MHz and 120MHz clock when using Ethernet!\r\n");
|
|
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");
|
|
for (i = 0; i < WCHNET_MAX_SOCKET_NUM; i++)
|
|
WCHNET_CreateUdpSocket(); //Create UDP Socket
|
|
|
|
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();
|
|
}
|
|
}
|
|
}
|
|
|