JZsdk_Uart_UartDeal.c 5.6 KB
#include <stdio.h>
#include <string.h>
#include <pthread.h>
#include <stdlib.h>

#include <fcntl.h>
#include <unistd.h>
#include <termios.h>
#include <sys/time.h> 
#include "Uart_Config.h"
#include "JZsdk_Uart_Recv/JZsdk_Uart_RecvDeal.h"
#include "JZsdkLib.h"

static int Uart_4G_fd;
static int Uart_DEV1_fd;
static int Uart_DEV2_fd;

static void *UartDeal_rece(void *arg);

/*********************
 * 
 *  串口接收线程
 * 
 * *****************/
/******************************************************************

	创建串口接收线程

******************************************************************/
int JZsdk_Uart_UartDeal_Receive(int Uart_fd, int Uart_Dev_name)
{
    int ret = 0;
    pthread_t Uart_rece_task;

    pthread_attr_t task_attribute; //线程属性
	pthread_attr_init(&task_attribute);  //初始化线程属性
	pthread_attr_setdetachstate(&task_attribute, PTHREAD_CREATE_DETACHED);      //设置线程属性

	if (Uart_Dev_name == UART_DEV_1)
	{
		Uart_DEV1_fd = Uart_fd;
	}
	else if (Uart_Dev_name == UART_DEV_2)
	{
		Uart_DEV2_fd = Uart_fd;
	}
	else if (Uart_Dev_name == UART_4G)
	{
		Uart_4G_fd = Uart_fd;
	}

	int* uart_fd_ptr = malloc(sizeof(int));  // 动态分配内存来存储 Uart_fd 变量
    *uart_fd_ptr = Uart_fd;

    ret = pthread_create(&Uart_rece_task,&task_attribute,UartDeal_rece,uart_fd_ptr);		//串口接收线程
	if(ret != 0)
	{
		printf("创建串口%x 接收线程失败!\n",Uart_Dev_name);
		free(uart_fd_ptr);
	}
	else{
		printf("创建串口%x 接收线程成功!\n",Uart_Dev_name);	
	}
}

static int UartDeal_Recv_interface(int Uart_fd, unsigned char  *getbuf, int len)
{
	int i = 0;
	int Frame_len = 0;

	if (Uart_fd == Uart_DEV1_fd)
	{	
		USER_LOG_INFO("串口-设备1号,接受到数据len: %d", len);
		printf("getbuf: %s\n", getbuf);
		for (int i = 0; i < len; i++)
		{
			printf("%x ",getbuf[i]);
		}
		printf("\n");

		do
		{
			if ( (getbuf[i] == 0x5A && getbuf[i+1] == 0x5A &&getbuf[i+2] == 0x77) || (getbuf[i] == 0x5B && getbuf[i+1] == 0x5B &&getbuf[i+2] == 0x77) 
				|| (getbuf[i] == 0x6A && getbuf[i+1] == 0x6A &&getbuf[i+2] == 0x77) || (getbuf[i] == 0x6B && getbuf[i+1] == 0x6B &&getbuf[i+2] == 0x77))
			{
				Frame_len = (getbuf[3] << 8) + getbuf[4];
				JZsdk_Uart_RecvDeal_CharmDeal_Uart_DEV1(&getbuf[i], Frame_len);
	
				i = i+Frame_len;
				len = len - Frame_len;
				Frame_len = 0;
			}
			else
			{
				JZsdk_Uart_RecvDeal_CharmDeal_Uart_DEV1(&getbuf[i], len);
				len = 0;
			}

		}
		while (len >= 12);
	}
	else if (Uart_fd == Uart_DEV2_fd)
	{	
		USER_LOG_INFO("串口-设备2号,接受到数据len: %d ", len);
		printf("getbuf: %s\n", getbuf);
		for (int i = 0; i < len; i++)
		{
			printf("%x ",getbuf[i]);
		}
		printf("\n");

		do
		{
			if ( (getbuf[i] == 0x5A && getbuf[i+1] == 0x5A &&getbuf[i+2] == 0x77) || (getbuf[i] == 0x5B && getbuf[i+1] == 0x5B &&getbuf[i+2] == 0x77) 
				|| (getbuf[i] == 0x6A && getbuf[i+1] == 0x6A &&getbuf[i+2] == 0x77) || (getbuf[i] == 0x6B && getbuf[i+1] == 0x6B &&getbuf[i+2] == 0x77))
			{
				Frame_len = (getbuf[3] << 8) + getbuf[4];
				JZsdk_Uart_RecvDeal_CharmDeal_Uart_DEV2(&getbuf[i], Frame_len);
	
				i = i+Frame_len;
				len = len - Frame_len;
				Frame_len = 0;
			}
			else
			{
				JZsdk_Uart_RecvDeal_CharmDeal_Uart_DEV2(&getbuf[i], len);
				len = 0;
			}

		}
		while (len >= 12);
	}
	else if (Uart_fd == Uart_4G_fd)
	{
		USER_LOG_INFO("串口-设备4G,接受到数据len: %d ", len);
			printf("getbuf: %s\n", getbuf);
		for (int i = 0; i < len; i++)
		{
			printf("%x ",getbuf[i]);
		}
		printf("\n");

		do
		{
			if ( (getbuf[i] == 0x5A && getbuf[i+1] == 0x5A &&getbuf[i+2] == 0x77) || (getbuf[i] == 0x5B && getbuf[i+1] == 0x5B &&getbuf[i+2] == 0x77) 
				|| (getbuf[i] == 0x6A && getbuf[i+1] == 0x6A &&getbuf[i+2] == 0x77) || (getbuf[i] == 0x6B && getbuf[i+1] == 0x6B &&getbuf[i+2] == 0x77))
			{
				Frame_len = (getbuf[3] << 8) + getbuf[4];
				JZsdk_Uart_RecvDeal_CharmDeal_Uart_4G(&getbuf[i], Frame_len);
	
				i = i+Frame_len;
				len = len - Frame_len;
				Frame_len = 0;
			}
			else
			{
				JZsdk_Uart_RecvDeal_CharmDeal_Uart_4G(&getbuf[i], len);
				len = 0;
			}

		}
		while (len >= 12);
	}
}

static void *UartDeal_rece(void *arg)
{

    unsigned char  getbuf[1024];

    int ret = 0;
    fd_set fs_read;
    struct timeval tv_timeout;

	int Uart_fd = *(int*) arg;

    //FD_ZERO 将指定的文件描述符集清空,在对文件描述符集合进行设置前,必须对其进行初始化
	//如果不清空,由于在系统分配内存空间后,通常并不作清空处理,所以结果是不可知的。
    FD_ZERO(&fs_read);

	//FD_SET 用于在文件描述符集合中增加一个新的文件描述符。
    FD_SET(Uart_fd, &fs_read);

	//115200 / char 8 位 = 14400 个char数据
    tv_timeout.tv_sec  = 6000;//(10*20/115200+2);
    tv_timeout.tv_usec = 0;

	//2、正常接收
	while(1)
	{
		//检查fs_read套节字是否有数据
		select(Uart_fd+1, &fs_read, NULL, NULL, &tv_timeout);
		delayMs(10);

		//FD_ISSET 用于测试指定的文件描述符是否在该集合中。
		//Uart_fd 是否在fsread中
		if (FD_ISSET(Uart_fd, &fs_read))
		{
			//1、读取串口内容 ret 接收长度  getbuf 获取的字符
            memset(getbuf,0,sizeof(getbuf)); 				//清空接收数组
			ret = read(Uart_fd,getbuf,sizeof(getbuf));

			UartDeal_Recv_interface(Uart_fd, getbuf, ret);

		}
	}

	free(arg);

}

/****************
 * 
 * 
 *		发送函数 
 * 
 * ****************/
int JZsdk_Uart_UartSend(int UartPort ,unsigned char *send, int num)
{
	if (UartPort == UART_4G)
	{
		write(Uart_4G_fd,send, num);
		return 0;
	}
	else if (UartPort == UART_DEV_1)
	{
		write(Uart_DEV1_fd,send, num);
		return 0;
	}
		else if (UartPort == UART_DEV_2)
	{
		write(Uart_DEV2_fd,send, num);
		return 0;
	}
}