【ST NUCLEO-U5A5ZJ-Q开发板测评】8 串口打印和时钟

if((rx1_b[0] == 'g')&&(rx1_b[1] == 'e')&&(rx1_b[2] == 't')&&(rx1_b[3] == 'D')&&(rx1_b[4] == 'T')&&(rx1_b_index >=6))

{

setRTCflag=0x11;

}

主程序中处理：

switch(setRTCflag)
	   {

       	   case 0x03:
             //setT 12 30 09
    	     //setD 2 2 11 2024
    	     //setA 23 32 00 00

    	     if (HAL_RTC_SetTime(&hrtc, &sTime2, RTC_FORMAT_BCD) != HAL_OK)
    	     {
    	       Error_Handler();
    	     }
    	     break;
       	  case 0x05:

    	     if (HAL_RTC_SetDate(&hrtc, &sDate2, RTC_FORMAT_BCD) != HAL_OK)
    	     {
    	       Error_Handler();
    	     }
    	     break;
    	     /** Enable the Alarm A
    	     */
       	  case 0x09:
    	     if (HAL_RTC_SetAlarm_IT(&hrtc, &sAlarm2, RTC_FORMAT_BCD) != HAL_OK)
    	     {
    	       Error_Handler();
    	     }
    	     break;
       	  case 0x11:

    	     if(HAL_RTC_GetTime(&hrtc, &sTime2, RTC_FORMAT_BIN) == HAL_OK)
    	     {
    	    	     char uart_buf[100]={0};
    	    	     HAL_RTC_GetDate(&hrtc, &sDate2, RTC_FORMAT_BIN);
    	    	     char str[25]={0};
    	    	     switch(sDate2.WeekDay)
    	    	     {
    	    	       	  case 1:
    	    	       		   sprintf(str,"WeekDay is MONDAY\n");
    	    	       		   break;
    	    	          case 2:
    	    	         	   sprintf(str,"WeekDay is TUESDAY\n");
    	    	         	   break;
    	    	          case 3:
    	    	         	   sprintf(str,"WeekDay is WEDNESDAY\n");
    	    	         	   break;
    	    	         case 4:
    	    	         	   sprintf(str,"WeekDay is THURSDAY\n");
    	    	         	   break;
    	    	         case 5:
    	    	         	   sprintf(str,"WeekDay is FRIDAY\n");
    	    	         	   break;
    	    	         case 6:
    	    	         	   sprintf(str,"WeekDay is SATURDAY\n");
    	    	         	   break;
    	    	         case 7:
    	    	         	   sprintf(str,"WeekDay is SUNDAY\n");
    	    	         	   break;

    	    	    }
    	    	    sprintf(uart_buf,"Date is 20%2d-%02d-%02d  \n    Time is %02d : %02d : %02d   \n  %s\n ",sDate2.Year,sDate2.Month,sDate2.Date,sTime2.Hours,sTime2.Minutes,sTime2.Seconds,str);
    	     		HAL_UART_Transmit_IT(&huart1,(const uint8_t*)&uart_buf[0], 100);
    	     		//HAL_UART_Transmit_IT(&huart1,(const uint8_t*)&uart_buf[0], 50);

    	     		HAL_Delay(10);
    	     		HAL_GPIO_WritePin(LED_GREEN_GPIO_Port, LED_GREEN_Pin, GPIO_PIN_SET);
    	     		HAL_Delay(100);
    	     		HAL_GPIO_WritePin(LED_GREEN_GPIO_Port, LED_GREEN_Pin, GPIO_PIN_RESET);
    	     }
    	     break;
       	  default:break;
	   }
       setRTCflag =0;