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/* ... */
#include "main.h"
/* ... */
/* ... */
Includes
RTC_HandleTypeDef RtcHandle;
uint8_t aShowTime[50] = {0};
uint8_t aShowDate[50] = {0};
Private variables
static void SystemClock_Config(void);
static void RTC_CalendarConfig(void);
static void RTC_CalendarShow(uint8_t* showtime, uint8_t* showdate);
Private function prototypes
/* ... */
int main(void)
{
/* ... */
HAL_Init();
BSP_LED_Init(LED2);
SystemClock_Config();
/* ... */
RtcHandle.Instance = RTC;
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
RtcHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
RtcHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
__HAL_RTC_RESET_HANDLE_STATE(&RtcHandle);
if(HAL_RTC_Init(&RtcHandle) != HAL_OK)
{
Error_Handler();
}if (HAL_RTC_Init(&RtcHandle) != HAL_OK) { ... }
if(HAL_RTCEx_BKUPRead(&RtcHandle, RTC_BKP_DR0) != 0x32F2)
{
RTC_CalendarConfig();
}if (HAL_RTCEx_BKUPRead(&RtcHandle, RTC_BKP_DR0) != 0x32F2) { ... }
while (1)
{
RTC_CalendarShow(aShowTime, aShowDate);
}while (1) { ... }
}{ ... }
/* ... */
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
__HAL_RCC_PWR_CLK_ENABLE();
/* ... */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = 0x10;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLM = 16;
RCC_OscInitStruct.PLL.PLLN = 400;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
RCC_OscInitStruct.PLL.PLLQ = 7;
if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { ... }
/* ... */
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK)
{
Error_Handler();
}if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK) { ... }
}{ ... }
/* ... */
static void RTC_CalendarConfig(void)
{
RTC_DateTypeDef sdatestructure;
RTC_TimeTypeDef stimestructure;
sdatestructure.Year = 0x15;
sdatestructure.Month = RTC_MONTH_MARCH;
sdatestructure.Date = 0x13;
sdatestructure.WeekDay = RTC_WEEKDAY_FRIDAY;
if(HAL_RTC_SetDate(&RtcHandle,&sdatestructure,RTC_FORMAT_BCD) != HAL_OK)
{
Error_Handler();
}if (HAL_RTC_SetDate(&RtcHandle,&sdatestructure,RTC_FORMAT_BCD) != HAL_OK) { ... }
stimestructure.Hours = 0x02;
stimestructure.Minutes = 0x00;
stimestructure.Seconds = 0x00;
stimestructure.TimeFormat = RTC_HOURFORMAT12_AM;
stimestructure.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
stimestructure.StoreOperation = RTC_STOREOPERATION_RESET;
if(HAL_RTC_SetTime(&RtcHandle,&stimestructure,RTC_FORMAT_BCD) != HAL_OK)
{
Error_Handler();
}if (HAL_RTC_SetTime(&RtcHandle,&stimestructure,RTC_FORMAT_BCD) != HAL_OK) { ... }
HAL_RTCEx_BKUPWrite(&RtcHandle,RTC_BKP_DR0,0x32F2);
}{ ... }
/* ... */
static void RTC_CalendarShow(uint8_t *showtime, uint8_t *showdate)
{
RTC_DateTypeDef sdatestructureget;
RTC_TimeTypeDef stimestructureget;
HAL_RTC_GetTime(&RtcHandle, &stimestructureget, RTC_FORMAT_BIN);
HAL_RTC_GetDate(&RtcHandle, &sdatestructureget, RTC_FORMAT_BIN);
#ifdef DISPLAY_ON_DUBUGGER
sprintf((char*)showtime,"%02d:%02d:%02d",stimestructureget.Hours, stimestructureget.Minutes, stimestructureget.Seconds);
sprintf((char*)showdate,"%02d-%02d-%02d",sdatestructureget.Month, sdatestructureget.Date, 2000 + sdatestructureget.Year);/* ... */
#endif
}{ ... }
/* ... */
void Error_Handler(void)
{
while(1)
{
BSP_LED_Toggle(LED2);
HAL_Delay(100);
}while (1) { ... }
}{ ... }
#ifdef USE_FULL_ASSERT
/* ... */
void assert_failed(uint8_t* file, uint32_t line)
{
/* ... */
while (1)
{
}while (1) { ... }
}assert_failed (uint8_t* file, uint32_t line) { ... }
/* ... */#endif
/* ... */
/* ... */