V1.41 负数不输出 修改回复485无显示BUG

zhyinch

2021-03-07 47d2701b9408e1b904d89ebd58d6496fbc9f58ed

 Ô´Âë/ºËÐÄ°å/Src/application/serial_at_cmd_app.c

@@ -11,7 +11,7 @@
#define CMD_READ   1
#define CMD_WRITE   2
#define CMD_REPLY 3
#define EUART_RX_BUF_SIZE 100
#define EUART_RX_BUF_SIZE 200
typedef enum{   UsartReceiveWaitHead0, 
            UsartReceiveWaitHead1,
            UsartReceiveWaitMsgType,
@@ -20,7 +20,8 @@
            UsartReceiveWaitIndex,
            UsartReceiveWaitDataLen,
            UsartReceiveWaitData,
            UsartReceiveWaitChecksum
            UsartReceiveWaitChecksum0,
            UsartReceiveWaitChecksum1
}UsartRecvPackState;

uint8_t mUsartReceivePack[100] = {0};
@@ -34,11 +35,12 @@
   send_frame[3] = 8;
   send_frame[4] = pack_msgtype;
   send_frame[5] = pack_length;

OUT485_ENABLE;
   checksum = Checksum_u16(&send_frame[2],8);
   memcpy(&send_frame[10],&checksum,2);
   
   UART_PushFrame(send_frame, 12);	
   USART_puts(send_frame, 12);	
    OUT485_DISABLE;
}
void SendComMap(uint8_t data_length, uint8_t index)
{
@@ -62,6 +64,7 @@
}
u8 remotetag_para[30];
u8 remotesend_state=0;
u16 rec_checksum;
void UsartParseDataHandler(uint8_t data)
{
   static UsartRecvPackState usart_receive_state = UsartReceiveWaitHead0;
@@ -71,7 +74,7 @@


   
   if(usart_receive_state == UsartReceiveWaitChecksum) {         //若收到校验和包
   if(usart_receive_state == UsartReceiveWaitChecksum1) {         //若收到校验和包.
      checksum = 0;
      for(int i = 0; i<pack_length-5; i++) { 
         checksum += mUsartReceivePack[i];
@@ -81,7 +84,9 @@
      checksum += pack_index;
      checksum += pack_datalen;
      checksum += pack_msgtype;
      if(((data + checksum)&0xff) == 0xFF)            //校验通过
      checksum = ~checksum;
      rec_checksum = rec_checksum|(data<<8);
      if(rec_checksum == checksum)            //校验通过
      {
         switch(pack_msgtype)
         {
@@ -95,7 +100,8 @@
                     //SendComMap(pack_datalen,pack_index);
                     save_com_map_to_flash();
                     SendConfigConfirm(pack_msgtype,pack_length);
                     Program_Init();
                     delay_ms(500);
                     SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //软复位回到bootloader   
                     break;
                  case CMD_READ:
                     //read包中data字节，即mUsartReceivePack[0]表示数据长度；
@@ -119,11 +125,14 @@
      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
   } else if((usart_receive_state == UsartReceiveWaitChecksum0) ) {	
         rec_checksum = data;
      usart_receive_state = UsartReceiveWaitChecksum1;
   }else if((usart_receive_state == UsartReceiveWaitData) ) {   //若果收到的是正常通讯包
      mUsartReceivePack[index] = data;
      index++;
      if(index == pack_length-5) {      //如果收到的index与长度相等
         usart_receive_state = UsartReceiveWaitChecksum;
         usart_receive_state = UsartReceiveWaitChecksum0;
      }
   } else if(usart_receive_state == UsartReceiveWaitDataLen) {                  //收到指令类型字节
      pack_datalen = data;