Posted on April 27, 2018 at 19:44At this moment I have no idea, you're right follow the code below.
/* Infinite loop */
while (1){
HAL_RTC_GetTime(&hrtc, &stimestructureget, FORMAT_BCD);
if(stimestructureget.Seconds!=lastSecond)
{
HAL_GPIO_TogglePin(GPIOB,GPIO_PIN_9);
HAL_RTC_GetDate(&hrtc, &sdatestructureget, FORMAT_BCD);
leng=sprintf(printbuf,'20%02x-%02x-%02x weak%x, %02x:%02x:%02x\n\r',sdatestructureget.Year, sdatestructureget.Month, sdatestructureget.Date,sdatestructureget.WeekDay,
stimestructureget.Hours, stimestructureget.Minutes, stimestructureget.Seconds);
HAL_UART_Transmit(&huart1,printbuf,leng,10000);
lastSecond=stimestructureget.Seconds;
}
}
/* RTC init function */
static void MX_RTC_Init(void)
{
RTC_TimeTypeDef sTime;
RTC_DateTypeDef sDate;
/**Initialize RTC Only /
hrtc.Instance = RTC;
if(HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR0) != 0x32F2){
hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
hrtc.Init.AsynchPrediv = 127;
hrtc.Init.SynchPrediv = 255;
hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
if (HAL_RTC_Init(&hrtc) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Initialize RTC and set the Time and Date
*/
sTime.Hours = 0x0;
sTime.Minutes = 0x0;
sTime.Seconds = 0x0;
sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
sTime.StoreOperation = RTC_STOREOPERATION_RESET;
if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
sDate.WeekDay = RTC_WEEKDAY_MONDAY;
sDate.Month = RTC_MONTH_JANUARY;
sDate.Date = 0x1;
sDate.Year = 0x0;
if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
HAL_RTCEx_BKUPWrite(&hrtc,RTC_BKP_DR0,0x32F2);
}
}
