V1.11 修复读取参数回复BUG

zhyinch

2020-04-16 a26a36940097da7c033be9199219374801d9b32c

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

@@ -4,180 +4,124 @@
#include <stdio.h>
#include "dw_app.h"
#include "RTC.h"
uint8_t m_frame_data[MAX_FRAME_LEN] = {0};
uint8_t m_frame_data_len = 0;
uint8_t g_pairstart=0;
void ParseFrame(void)


#define CMD_READ   1
#define CMD_WRITE   2
#define CMD_REPLY 3
#define EUART_RX_BUF_SIZE 100
typedef enum{   UsartReceiveWaitHead0, 
            UsartReceiveWaitHead1,
            UsartReceiveWaitMsgType,
            UsartReceiveWaitLength, 
            UsartReceiveWaitCMD,
            UsartReceiveWaitIndex,
            UsartReceiveWaitDataLen,
            UsartReceiveWaitData,
            UsartReceiveWaitChecksum
}UsartRecvPackState;
uint8_t mUsartReceivePack[100] = {0};

void SendComMap(uint8_t data_length, uint8_t index)
{
   if(!memcmp(m_frame_data, "DIS1", 4))
   static uint8_t send_frame[EUART_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>>1], data_length);
   for(int i = 0; i<(data_length+5); i++)
   {
      g_com_map[ALARM_DISTANCE1] =0;
      for(uint8_t i=5; i < m_frame_data_len; i++)
      {
         if(m_frame_data[i]<58 && m_frame_data[i]>47)
         {
            g_com_map[ALARM_DISTANCE1] = g_com_map[ALARM_DISTANCE1]*10 + m_frame_data[i]- '0';
         }
         else
         {
            printf("Error: Wrong DISTANCE.\r\n");
            break;
         }
      }
      printf("When distance1 < %d cm, alarm1 is on.\n", g_com_map[ALARM_DISTANCE1]);
      save_com_map_to_flash();
      checksum += send_frame[2+i];
   }
   else if(!memcmp(m_frame_data, "DIS2", 4))
   {
      g_com_map[ALARM_DISTANCE2] =0;
      for(uint8_t i=5; i < m_frame_data_len; i++)
      {
         if(m_frame_data[i]<58 && m_frame_data[i]>47)
         {
            g_com_map[ALARM_DISTANCE2] = g_com_map[ALARM_DISTANCE2]*10 + m_frame_data[i]- '0';
         }
         else
         {
            printf("Error: Wrong DISTANCE.\r\n");
            break;
         }
      }
      printf("When distance2 < %d cm, alarm2 is on.\n", g_com_map[ALARM_DISTANCE2]);
      save_com_map_to_flash();
   }
   else if(!memcmp(m_frame_data, "DIS3", 4))
   {
      g_com_map[ALARM_DISTANCE3] =0;
      for(uint8_t i=5; i < m_frame_data_len; i++)
      {
         if(m_frame_data[i]<58 && m_frame_data[i]>47)
         {
            g_com_map[ALARM_DISTANCE3] = g_com_map[ALARM_DISTANCE3]*10 + m_frame_data[i]- '0';
         }
         else
         {
            printf("Error: Wrong DISTANCE.\r\n");
            break;
         }
      }
      printf("When distance3 < %d cm, alarm3 is on.\n", g_com_map[ALARM_DISTANCE3]);
      save_com_map_to_flash();
   }
   else if(!memcmp(m_frame_data, "DEV", 3))
   {
      g_com_map[ALARM_DEV] = m_frame_data[4]-'0';
      printf("Alarm device is %d. \n", g_com_map[ALARM_DEV]);
      save_com_map_to_flash();
   }
   else if(!memcmp(m_frame_data, "ID", 2))
   {
      g_com_map[DEV_ID] = 0;
      for(uint8_t i=3; i < m_frame_data_len; i++)
      {
         if(m_frame_data[i]<58 && m_frame_data[i]>47)
         {
            g_com_map[DEV_ID] = g_com_map[DEV_ID]*10 + m_frame_data[i]- '0';
         }
         else
         {
            printf("Error: Wrong ID.\r\n");
            break;
         }
      }
      Dw1000_App_Init();
      printf("set dev id = %d. \r\n", g_com_map[DEV_ID]);
      save_com_map_to_flash();
   }else if(!memcmp(m_frame_data, "INT", 3))
   {
      g_com_map[COM_INTERVAL] = 0;
      for(uint8_t i=4; i < m_frame_data_len; i++)
      {
         if(m_frame_data[i]<58 && m_frame_data[i]>47)
         {
            g_com_map[COM_INTERVAL] = g_com_map[COM_INTERVAL]*10 + m_frame_data[i]- '0';
         }
         else
         {
            printf("Error: Wrong COM_INTERVAL.\r\n");
            break;
         }
      }
      printf("set dev interval = %d ms. \r\n", g_com_map[COM_INTERVAL]);
      RTC_Configuration(g_com_map[COM_INTERVAL]*20);
      save_com_map_to_flash();
   }else if(!memcmp(m_frame_data, "PAIRID", 6))
   {
      g_com_map[PAIR_ID] = 0;
      for(uint8_t i=7; i < m_frame_data_len; i++)
      {
         if(m_frame_data[i]<58 && m_frame_data[i]>47)
         {
            g_com_map[PAIR_ID] = g_com_map[PAIR_ID]*10 + m_frame_data[i]- '0';
         }
         else
         {
            printf("Error: Wrong PAIR_ID.\r\n");
            break;
         }
      }
      printf("set dev PAIR_ID = %d . \r\n", g_com_map[PAIR_ID]);
      save_com_map_to_flash();
   }else if(!memcmp(m_frame_data, "STARTPAIR", 9))
   {
      g_pairstart=1;
      printf("Start Pair Mode. \r\n");
   }else{
      printf("Error: Wrong Command.\r\n");
   }
   checksum = Checksum_u16(&send_frame[2],5+data_length);
   memcpy(&send_frame[7+data_length],&checksum,2);
	
   UART_PushFrame(send_frame, data_length+9);	
}

void UsartParseDataHandler(uint8_t data)
{
   static uint8_t s_usart_state = 0;
   static uint8_t s_data_pos;
   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;


   
   switch(s_usart_state)
   {
      case 0:
         if(data=='A')   s_usart_state=  1;
      break;
			
      case 1:
         if(data=='T')   s_usart_state = 2;
      break;
   if(usart_receive_state == UsartReceiveWaitChecksum) {         //若收到校验和包
      checksum = 0;
      for(int i = 0; i<pack_length-5; i++) { 
         checksum += mUsartReceivePack[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:
               //从mUsartReceivePack中读取pack_length长度的字节，放到全局变量中
               memcpy((uint8_t*)&g_com_map + pack_index, mUsartReceivePack, pack_datalen);
               //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);		
               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
      mUsartReceivePack[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
      
      case 2:
         if(data=='+')
         { 
            s_usart_state = 3;
            s_data_pos = 0;
            m_frame_data_len = 0;
         }
      break;
			
      case 3:
         m_frame_data_len = s_data_pos;
         m_frame_data[s_data_pos++] = data;
         if(data == 0x0d)
         {
            s_usart_state = 4;
         }
         if(s_data_pos >= MAX_FRAME_LEN) //如果超过最大长度
         {
            m_frame_data_len = MAX_FRAME_LEN;
            ParseFrame();
            s_usart_state = 0;
         }
      break;
			
      case 4:
         if(data == 0x0a)
         {
            ParseFrame();
            s_usart_state = 0;
         }
      break;
			
      default: break;
         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;
   }

}