充电桩设计之4G模块 初始化

  

   

    

     

    
    

     

      int dx_lte_init_check(void)
     
    
   

    

     

    
    

     

      {
     
    
   

    

     

    
    

     
    //rx at command response from 4g module
     
    
   

    

     

    
    

     
    //printf("uart2 rx at command *ext* response from 4g moduler\r\n");
     
    
   

    

     

    
    

     
    //uart2_dma_send_data("uart2_dma_send test\r\n",strlen("uart2_dma_send test\r\n"));
     
    
   

    

     

    
    

     
    uint32_t flags = 0;
     
    
   

    

     

    
    

     

          flags = EVENT_FLAGS_UART2|EVENT_FLAGS_UART2_TX_COMPLETE;
     
    
   

    

     

    
    

     
	printf("*****dx_lte_init_check\r\n");
     
    
   

    

     

    
    

     

          flags = osEventFlagsWait(evt_id_uart, flags, osFlagsWaitAny, osWaitForever);
     
    
   

    

     

    
    

     
    printf("*****dx_lte_init_check cb osEventFlagsWait flags =0x%08x\r\n",flags);
     
    
   

    

     

    
    

     
    if(status_4g == -1)
     
    
   

    

     

    
    

     

          {
     
    
   

    

     

    
    

     
        uint8_t rcv_buf[30]= {0};
     
    
   

    

     

    
    

     
        uint8_t rcv_len = 0;
     
    
   

    

     

    
    

     
        int ret = 0;
     
    
   

    

     

    
    

     
        uart2_rec_at_cmd_response(rcv_buf,&rcv_len);
     
    
   

    

     

    
    

     
        printf("rcv_buf=%s rcv_len=%d\r\n",rcv_buf,rcv_len);
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

              ret=strncmp(( const char *)rcv_buf,MODULE_4G_PDPDEACT,strlen(MODULE_4G_PDPDEACT));
     
    
   

    

     

    
    

     
        if(ret==0)
     
    
   

    

     

    
    

     

              {
     
    
  
 

  
 
 

文章来源: blog.csdn.net，作者：悟空胆好小，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/xushx_bigbear/article/details/122871643