修改can模块的通讯速率500k

zhangbo

2025-07-29 ec51312d1b175c9eebe7a92e1cc15e4d0d120e64

 源码/核心板/Src/main.c

@@ -94,10 +94,6 @@
   {
     g_com_map[COM_INTERVAL]=100;
   }
    if(dist_threshold<300)
      {dist_threshold = 300;}
      if(dist_threshold>15000)
      {dist_threshold = 15000;}
}
u16 JDQ_time;
int16_t g_commap_antdelay;
@@ -109,6 +105,7 @@
   parameter_init();
   //deca_sleep(1000);
   HeartBeatInit();
   Modbus_RegMap();
#ifdef DEBUG_MODE
//   g_com_map[DEV_ROLE]=1;
//      g_com_map[DEV_ID]=1;
@@ -145,9 +142,13 @@
        
   OUT485_ENABLE;
   ComMapCheck();   
   g_com_map[VERSION] = 0x013a;
   g_com_map[VERSION] = 1<<8|68;
    FLASH_Read(FLASH_HARDWARE_FLAG, (uint8_t*)&g_com_map[HARDWAREFLAG_INDEX], 16);
    dist_threshold = (g_com_map[SPEEDFILTER_THRES]*10)/(1000/g_com_map[COM_INTERVAL]);
     if(dist_threshold<300)
      {dist_threshold = 300;}
      if(dist_threshold>15000)
      {dist_threshold = 15000;}
    g_commap_antdelay = g_com_map[ANT_LENGTH];
    JDQ_time = g_com_map[WAR_JDQ_TIME]*10;
   g_com_map[SW_TYPE] =    SW_FANGZHUANG;
@@ -223,7 +224,7 @@
void IdleTask(void)
{
      
         UART_CheckReceive();
        UART_CheckReceive();
      UART_CheckSend();
   
   if(heartbeat_timer>1000)
@@ -244,7 +245,7 @@
//                  NVIC_SystemReset();
//               }
//            }
     flag_newsecond=0;
       flag_newsecond=0;
      tagpos_binary=0;
      memcpy(ancidlist_send,ancidlist_rec,ancidlist_num*2);
      ancidlist_num=0;
@@ -303,8 +304,36 @@
      {
            SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //杞浣嶅洖鍒癰ootloader   
      }
        g_com_map[RELAY1_STATE_INDEX] = READ_RELAY1;
      g_com_map[RELAY2_STATE_INDEX] = READ_RELAY2;

   }
uint8_t at_cmd[3]={0x2B,0x2B,0x2B};
uint8_t at_cmd1[2]={0x41,0x54};
char at_cmd2[20]={"AT+CAN=500,70,NDTF\r\n"};  //AT+CAN?\r\n
char at_cmd3[9]={"AT+CAN?\r\n"}; 
char at_cmd4[9]={"AT+EXAT\r\n"}; 
void send_to_ECAN()
{
//  UART_PushFrame(at_cmd,3);
//    
//  UART_PushFrame(at_cmd1,2);
////  delay_ms(1); 
//  UART_PushFrame((uint8_t*)at_cmd2,20);
////  delay_ms(1);   
//  UART_PushFrame((uint8_t*)at_cmd3,9);
////  delay_ms(1);   
//  UART_PushFrame((uint8_t*)at_cmd4,9);
 printf("+++");
 delay_ms(20);  
 printf("AT"); 
 delay_ms(20);    
 printf("AT+CAN=500,0,NDTF\r\n"); 
 delay_ms(1);
 printf("AT+CAN?\r\n");
 delay_ms(1);
 printf("AT+EXAT\r\n");    
}
    
int main(void)
{
@@ -321,9 +350,10 @@
   usart_send[1]=0xAA;
   usart_send_anc[0]=0x55;
   usart_send_anc[1]=0xAA;

    send_to_ECAN();
   while(1)
   {
      
   g_start_sync_flag=0;
   if(g_start_send_flag)
   {