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qiyongshuang
2023-02-01 14:19:13 +08:00
parent d534aad004
commit b79c6ac80d
3711 changed files with 745432 additions and 2 deletions
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EVT/EXAM/ETH/TcpServer/User/main.c
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/********************************** (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
TCP Server example, demonstrating that TCP Server receives data and sends back after connecting to a client.
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"
#define KEEPALIVE_ENABLE 1 //Enable keep alive function
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
u16 srcport = 1000; //source port
u8 SocketIdForListen; //Socket for Listening
u8 socket[WCHNET_MAX_SOCKET_NUM]; //Save the currently connected socket
u8 SocketRecvBuf[WCHNET_MAX_SOCKET_NUM][RECE_BUF_LEN]; //socket receive buffer
u8 MyBuf[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 - 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 WCHNET_CreateTcpSocketListen
*
* @brief Create TCP Socket for Listening
*
* @return none
*/
void WCHNET_CreateTcpSocketListen(void)
{
u8 i;
SOCK_INF TmpSocketInf;
memset((void *) &TmpSocketInf, 0, sizeof(SOCK_INF));
TmpSocketInf.SourPort = srcport;
TmpSocketInf.ProtoType = PROTO_TYPE_TCP;
i = WCHNET_SocketCreat(&SocketIdForListen, &TmpSocketInf);
printf("SocketIdForListen %d\r\n", SocketIdForListen);
mStopIfError(i);
i = WCHNET_SocketListen(SocketIdForListen); //listen for connections
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 = %02x\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)
{
u8 i;
if (intstat & SINT_STAT_RECV) //receive data
{
WCHNET_DataLoopback(socketid); //Data loopback
}
if (intstat & SINT_STAT_CONNECT) //connect successfully
{
#if KEEPALIVE_ENABLE
WCHNET_SocketSetKeepLive(socketid, ENABLE);
#endif
WCHNET_ModifyRecvBuf(socketid, (u32) SocketRecvBuf[socketid],
RECE_BUF_LEN);
for (i = 0; i < WCHNET_MAX_SOCKET_NUM; i++) {
if (socket[i] == 0xff) { //save connected socket id
socket[i] = socketid;
break;
}
}
printf("TCP Connect Success\r\n");
printf("socket id: %d\r\n",socket[i]);
}
if (intstat & SINT_STAT_DISCONNECT) //disconnect
{
for (i = 0; i < WCHNET_MAX_SOCKET_NUM; i++) { //delete disconnected socket id
if (socket[i] == socketid) {
socket[i] = 0xff;
break;
}
}
printf("TCP Disconnect\r\n");
}
if (intstat & SINT_STAT_TIM_OUT) //timeout disconnect
{
for (i = 0; i < WCHNET_MAX_SOCKET_NUM; i++) { //delete disconnected socket id
if (socket[i] == socketid) {
socket[i] = 0xff;
break;
}
}
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) { //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("TcpServer Test\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");
#if KEEPALIVE_ENABLE //Configure keep alive parameters
{
struct _KEEP_CFG cfg;
cfg.KLIdle = 20000;
cfg.KLIntvl = 15000;
cfg.KLCount = 9;
WCHNET_ConfigKeepLive(&cfg);
}
#endif
memset(socket, 0xff, WCHNET_MAX_SOCKET_NUM);
WCHNET_CreateTcpSocketListen(); //Create TCP Socket for Listening
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();
}
}
}