增加防撞基站修改485和读取指令，修改showbuffer距离修改为g_com表设置距离

chen

7 天以前 448e16db1aaadf2ae321af8a7955aba2b610b12e

 keil/include/drivers/serial_at_cmd_app.c

@@ -81,7 +81,28 @@
    sum = ~sum;
    return sum;
}

 
void SendComMap0(uint8_t data_length, uint8_t index)//表示成功读取的回应包
{
  static uint8_t send_frame[EUART0_RX_BUF_SIZE];
    uint16_t checksum = 0;
    send_frame[0] = 0x55;
    send_frame[1] = 0xAA;
    send_frame[2] = 0x03;
    send_frame[3] = data_length+5;
    send_frame[4] = CMD_REPLY;
    send_frame[5] = index;
    send_frame[6] = data_length;
    memcpy(&send_frame[7], &g_com_map[index], data_length);
    for(int i = 0; i<(data_length+5); i++)
    {
        checksum += send_frame[2+i];
    }
    checksum = Checksum_u16(&send_frame[2],5+data_length);
    memcpy(&send_frame[7+data_length],&checksum,2);
		
    uart_send(UART_ID0, send_frame,data_length+9, NULL);
}
void SendComMap(uint8_t data_length, uint8_t index)//表示成功读取的回应包
{
    static uint8_t send_frame[EUART0_RX_BUF_SIZE];
@@ -262,6 +283,96 @@
extern uint8_t bind_flag;
void Usart0ParseDataHandler(uint8_t data)
{
if(state5V_prase_flag&&!g_com_map[MODBUS_MODE])
    {   //升级程序
        static UsartRecvPackState usart_receive_state = UsartReceiveWaitHead0;
        uint16_t checksum = 0;
        static uint8_t pack_datalen = 0,pack_length = 0,pack_index = 0,pack_msgtype = 0,pack_cmd = CMD_READ;
        static uint8_t index = 0;
        if(usart_receive_state == UsartReceiveWaitChecksum)
        {   //若收到校验和包
            checksum = 0;
            for(int i = 0; i<pack_length-5; i++) {
                checksum += mUsart2ReceivePack[i];
            }
            checksum += pack_cmd;
            checksum += pack_length;
            checksum += pack_index;
            checksum += pack_datalen;
            checksum += pack_msgtype;
            if(((data + checksum)&0xff) == 0xFF)            //校验通过
            {
                switch(pack_cmd)
                {
                case CMD_WRITE:
//                  if(pack_index==MODBUS_MODE*2)
//                  {
//                      Uart1GpsRecDebugSend();                    
//                      g_com_map[MODBUS_MODE] = 1;
//                      return;
//                  }
                    //从mUsartReceivePack中读取pack_length长度的字节，放到全局变量中,赋值保存的参数并且存入flash
                    memcpy((uint8_t*)&g_com_map + pack_index, mUsart2ReceivePack, pack_datalen);
                    if(mUsart2ReceivePack[0]==1)
                        UpdateProcess(pack_index);
                    //返回一个error状态
                    //SendComMap(pack_datalen,pack_index);
                    save_com_map_to_flash();
                    //delay_ms(100);
                    NVIC_SystemReset();
                    break;
                case CMD_READ:
                    //read包中data字节，即mUsart2ReceivePack[0]表示数据长度；
                    //从g_com_data结构体中的第index位置读取长度为mUsart2ReceivePack[0]的字节，发送出来
                    SendComMap0(pack_datalen,pack_index>>1);
                    break;
                default:
                    break;
                }
            }
            usart_receive_state = UsartReceiveWaitHead0;
            pack_index = 0;
            pack_length = 0;
            index=0;
        } else if((usart_receive_state == UsartReceiveWaitData) ) {   //若果收到的是正常通讯包
            mUsart2ReceivePack[index] = data;
            index++;
            if(index == pack_length-5) {      //如果收到的index与长度相等
                usart_receive_state = UsartReceiveWaitChecksum;
            }
        } else if(usart_receive_state == UsartReceiveWaitDataLen) {                  //收到指令类型字节
            pack_datalen = data;
            usart_receive_state = UsartReceiveWaitData;
        } else if(usart_receive_state == UsartReceiveWaitIndex) {                  //收到指令类型字节
            pack_index = data;
            usart_receive_state = UsartReceiveWaitDataLen;
        } else if(usart_receive_state == UsartReceiveWaitCMD) {                     //收到指令类型字节
            pack_cmd = data;
            usart_receive_state = UsartReceiveWaitIndex;
        } else if(usart_receive_state == UsartReceiveWaitLength) {                  //收到长度字节

            pack_length = data;
            pack_index = 0;
            usart_receive_state = UsartReceiveWaitCMD;

        } else if((usart_receive_state == UsartReceiveWaitHead0) && (data == 0x55)) {   //收到第一个包头
            usart_receive_state = UsartReceiveWaitHead1;
        } else if((usart_receive_state == UsartReceiveWaitHead1) && (data == 0xAA)) {   //收到第二个包头
            usart_receive_state = UsartReceiveWaitMsgType;
        } else if ((usart_receive_state == UsartReceiveWaitMsgType) && (data == 0x3)) {
            usart_receive_state = UsartReceiveWaitLength;
            pack_msgtype = data;
        }
				
        else {
            usart_receive_state = UsartReceiveWaitHead0;
            pack_index = 0;
            pack_length = 0;
        }
    }
}
void Usart3ParseDataHandler(uint8_t data)
{
   // 全局变量
static Usart0ReceiveState usart0_receive_state = Usart0ReceiveWaitHead0;

@@ -275,8 +386,8 @@
static uint8_t send_frame[256];  // 用于计算校验和的帧
static uint8_t frame_index = 0;  // 帧缓冲区索引
static uint8_t pack_datalen = 0;
    
   LOG_INFO(TRACE_MODULE_APP,"收到 %#x\r\n",data);
    LOG_INFO(TRACE_MODULE_APP,"收到数据%c\r\n",data);
   //LOG_INFO(TRACE_MODULE_APP,"收到 %#x\r\n",data);
    switch(usart0_receive_state) {
        case Usart0ReceiveWaitHead0:
            if(data == 0x55) {
@@ -471,7 +582,7 @@
                case CMD_READ:
                    //read包中data字节，即mUsartReceivePack[0]表示数据长度；
                    //从g_com_data结构体中的第index位置读取长度为mUsartReceivePack[0]的字节，发送出来
                    SendComMap(pack_datalen,pack_index>>1);
                    SendComMap0(pack_datalen,pack_index>>1);
                    break;
                default:
                    break;