TT12-MCU/applications/ttTR.c

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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-05-30 murmur the first version
*/
#include <rtthread.h>
#include <sys/socket.h> /* 使用BSD socket需要包含socket.h头文件 */
#include <netdb.h>
#include <string.h>
#define LOG_TAG "ttTR"
#define LOG_LVL LOG_LVL_DBG
#include <ulog.h>
#include <usrcfg.h>
#include <ttTR.h>
#define BUFSZ 200
#define RETRYCNT 10
#define URL TTIP
#define PORT 8005
static int sock=0;
static int flag=0;
void tcpClose(void)
{
/* 关闭这个连接 */
if (sock) {
closesocket(sock);
}
flag=0;
}
int isTCPok(void)
{
// return sock;
return flag;
}
int tcpInit(void)
{
int ret;
const char *url = URL;
int port = PORT;
/* 通过函数入口参数url获得host地址如果是域名会做域名解析 */
struct hostent *host;
host = gethostbyname(url);
/* 创建一个socket类型是SOCKET_STREAMTCP类型 */
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
/* 创建socket失败 */
LOG_E("Socket error");
return RT_ERROR;
}
/* 初始化预连接的服务端地址 */
struct sockaddr_in server_addr;
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(port);
server_addr.sin_addr = *((struct in_addr *) host->h_addr);
rt_memset(&(server_addr.sin_zero), 0, sizeof(server_addr.sin_zero));
/* 连接到服务端 */
if (connect(sock, (struct sockaddr *)&server_addr, sizeof(struct sockaddr)) == -1)
{
/* 连接失败 */
LOG_E("Connect to TT fail!");
tcpClose();
return RT_ERROR;
}
else
{
// tcpRecMQ();
flag=1;
return RT_EOK;
}
}
static int tcpSend(const rt_uint8_t *send_data, size_t len)
{
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// LOG_HEX("send",27,send_data,len);
/* 发送数据到sock连接 */
int ret = send(sock, send_data, len, 0);
if (ret == len)
{
// LOG_D("send %d Bytes ok.",len);
ret = RT_EOK;
}
else
{
LOG_E("Send error, send function return %d", ret);
ret = RT_ERROR;
}
return ret;
}
/**
* TCP数据
* @param recv_data 200
* @return -1
*/
int tcpRec(unsigned char *recv_data)
{
int ret=RT_ERROR;
/* 从sock连接中接收最大BUFSZ字节数据 */
int bytes_received = recv(sock, recv_data, BUFSZ, 0);
if (bytes_received) {
return bytes_received;
}
else {
LOG_E("received error.");
return -RT_ERROR;
}
}
struct rt_messagequeue TTrx_mq;
void init_mq(void)
{
static char msg_pool[1024];
/* 初始化消息队列 */
int result = rt_mq_init(&TTrx_mq, "TTrx_mq",
msg_pool, /* 存放消息的缓冲区 */
sizeof(TTRx_MSG), /* 一条消息的最大长度 */
sizeof(msg_pool), /* 存放消息的缓冲区大小 */
RT_IPC_FLAG_FIFO); /* 如果有多个线程等待,按照先来先得到的方法分配消息 */
if (result != RT_EOK)
{
rt_kprintf("init message queue failed.\n");
return -1;
}
}
INIT_COMPONENT_EXPORT(init_mq);
/**
* TCP数据
* @param recv_data 200
* @return -1
*/
void tcpRecMQ_thread_entry(void)
{
static TTRx_MSG msg;
while (1)
{
if (!isTCPok()) {
break;
}
rt_memset(&msg, 0, sizeof(msg));
/* 从sock连接中接收最大BUFSZ字节数据 */
msg.size = recv(sock, msg.data, BUFSZ, 0);
// if (msg.size < 0)
// {
// /* 接收失败,关闭这个连接 */
// tcpClose();
// rt_kprintf("\nreceived error,close the socket.\r\n");
//
// /* 释放接收缓冲 */
// break;
// }
// LOG_D("%d Bytes received.",msg.size);
if (msg.size >0 )
{
// LOG_D("%d Bytes received.",msg.size);
// LOG_HEX("tcpTT", 16, msg.data, msg.size);
// resetTM();
int result = rt_mq_send(&TTrx_mq, &msg, sizeof(msg));
if (result == -RT_EFULL)
{
/* 消息队列满 */
LOG_W("message queue full.");
}
}
else
{
msg.size=0;//收到数据长度为0表示tcp断开
rt_mq_send(&TTrx_mq, &msg, sizeof(msg));
LOG_W("tcp closed.");
tcpClose();
break;
}
}
}
/**
* 线退
*/
void tcpRecMQ(void)
{
/* 创建 serial 线程 */
rt_thread_t thread = rt_thread_create("tcpRecMQ", tcpRecMQ_thread_entry, RT_NULL, 1024*1, 25, 10);
/* 创建成功则启动线程 */
if (thread != RT_NULL)
{
rt_thread_startup(thread);
}
else
{
LOG_E("thread 'tcpRecMQ' create failure.");
}
}
//INIT_COMPONENT_EXPORT(tcpRecMQ);
/**
* TT的ack信号
* @return
*/
static int tcpAck()
{
/* 分配用于存放接收数据的缓冲 */
char *recv_data;
recv_data = rt_malloc(BUFSZ);
if (recv_data == RT_NULL)
{
LOG_E("No memory.");
return RT_ENOMEM;
}
int ret=RT_ERROR;
size_t cnt = RETRYCNT;//尝试次数
while (cnt--)
{
/* 从sock连接中接收最大BUFSZ - 1字节数据 */
int bytes_received = recv(sock, recv_data, BUFSZ, 0);
if (bytes_received) {
LOG_HEX("rec data",16,recv_data,bytes_received);
//check response
rt_uint8_t rec_good[] = { 0x88, 0xAA, 0xBB, 0x88 };//前四字节
if (rt_memcmp(recv_data, rec_good, 4))
{
ret = RT_EOK;
/* 释放接收缓冲 */
rt_free(recv_data);
break;
}
}
else {
LOG_E("received error.");
/* 释放接收缓冲 */
rt_free(recv_data);
break;
}
rt_thread_delay(100);
}
return ret;
}
/**
*
* @param msg
* @param len
* @return 0
*/
int sendMsg(const rt_uint8_t *msg, size_t len)
{
if (tcpSend(msg, len) != RT_EOK)
{
// tcpClose();
return RT_ERROR;
}
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//#define CHK_ACK
#ifdef CHK_ACK
if (tcpAck() != RT_EOK)
{
return RT_ERROR;
// break;
};
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#endif
// return RT_EOK;
//已发送数据存入log文件
char str[600];
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bytes2str(msg, len, 16, " ", str);
trDataTolog(str, strlen(str), 1);
return RT_EOK;
}
/**
*
* @param msg
* @param s
* @param row
* @return 0
*/
int sendMsgs(const rt_uint8_t (*msg)[200], char *s, size_t row)
{
int ret = RT_EOK;
if (tcpInit() != RT_EOK)
{
ret = RT_ERROR;
return ret;
}
for (size_t var = 0; var < row; var++)
{
if (tcpSend(msg[var], s[row]) != RT_EOK)
{
ret = RT_ERROR;
break;
}
#ifdef CHK_ACK
if (tcpAck() != RT_EOK)
{
ret = RT_ERROR;
break;
};
#endif
}
tcpClose();
return ret;
}