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/* ... */
#include "main.h"
/* ... */
/* ... */
Includes
#define LED_TOGGLE_DELAY 100
Private define
RTC_HandleTypeDef RTCHandle;
RTC_TimeTypeDef RTC_TimeStructure;
RTC_DateTypeDef RTC_DateStructure;
RTC_AlarmTypeDef RTC_AlarmStructure;
static __IO uint32_t TimingDelay;
Private variables
static void SystemClock_Config(void);
static void RTC_Config(void);
Private function prototypes
/* ... */
int main(void)
{
/* ... */
HAL_Init();
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
SystemClock_Config();
__HAL_RCC_PWR_CLK_ENABLE();
if (__HAL_PWR_GET_FLAG(PWR_FLAG_WU) != RESET)
{
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
}if (__HAL_PWR_GET_FLAG(PWR_FLAG_WU) != RESET) { ... }
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_EXTI);
RTC_Config();
BSP_LED_On(LED1);
HAL_PWR_EnableWakeUpPin(PWR_WAKEUP_PIN1);
while (1)
{
}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_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 25;
RCC_OscInitStruct.PLL.PLLN = 336;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
{
Error_Handler();
}if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) { ... }
}{ ... }
/* ... */
static void RTC_Config(void)
{
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWR_EnableBkUpAccess();
RTCHandle.Instance = RTC;
if(__HAL_PWR_GET_FLAG(PWR_FLAG_SB) != RESET)
{
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_SB);
__HAL_RTC_WRITEPROTECTION_DISABLE(&RTCHandle);
if (HAL_RTC_WaitForSynchro(&RTCHandle) != HAL_OK)
{
Error_Handler();
}if (HAL_RTC_WaitForSynchro(&RTCHandle) != HAL_OK) { ... }
__HAL_RTC_WRITEPROTECTION_ENABLE(&RTCHandle);
/* ... */
}if (__HAL_PWR_GET_FLAG(PWR_FLAG_SB) != RESET) { ... }
else
{
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
/* ... */
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;
if (HAL_RTC_Init(&RTCHandle) != HAL_OK)
{
Error_Handler();
}if (HAL_RTC_Init(&RTCHandle) != HAL_OK) { ... }
RTC_TimeStructure.TimeFormat = RTC_HOURFORMAT12_AM;
RTC_TimeStructure.Hours = 0x01;
RTC_TimeStructure.Minutes = 0x00;
RTC_TimeStructure.Seconds = 0x00;
if (HAL_RTC_SetTime(&RTCHandle, &RTC_TimeStructure, RTC_FORMAT_BCD) == HAL_ERROR)
{
Error_Handler();
}if (HAL_RTC_SetTime(&RTCHandle, &RTC_TimeStructure, RTC_FORMAT_BCD) == HAL_ERROR) { ... }
}else { ... }
}{ ... }
/* ... */
void Error_Handler(void)
{
BSP_LED_On(LED2);
while(1)
{
}while (1) { ... }
}{ ... }
/* ... */
void HAL_SYSTICK_Callback(void)
{
HAL_IncTick();
if (TimingDelay != 0)
{
TimingDelay--;
}if (TimingDelay != 0) { ... }
else
{
BSP_LED_Toggle(LED1);
TimingDelay = LED_TOGGLE_DELAY;
}else { ... }
}{ ... }
/* ... */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if(GPIO_Pin == KEY_BUTTON_PIN)
{
HAL_RTC_GetTime(&RTCHandle, &RTC_TimeStructure, RTC_FORMAT_BIN);
HAL_RTC_GetDate(&RTCHandle, &RTC_DateStructure, RTC_FORMAT_BIN);
RTC_AlarmStructure.Alarm = RTC_ALARM_A;
RTC_AlarmStructure.AlarmTime.TimeFormat = RTC_TimeStructure.TimeFormat;
RTC_AlarmStructure.AlarmTime.Hours = RTC_TimeStructure.Hours;
RTC_AlarmStructure.AlarmTime.Minutes = RTC_TimeStructure.Minutes;
RTC_AlarmStructure.AlarmTime.Seconds = (RTC_TimeStructure.Seconds + 0x05) % 60;
RTC_AlarmStructure.AlarmDateWeekDay = 0x31;
RTC_AlarmStructure.AlarmDateWeekDaySel = RTC_ALARMDATEWEEKDAYSEL_DATE;
RTC_AlarmStructure.AlarmMask = RTC_ALARMMASK_DATEWEEKDAY | RTC_ALARMMASK_HOURS | RTC_ALARMMASK_MINUTES;
RTC_AlarmStructure.AlarmSubSecondMask = RTC_ALARMSUBSECONDMASK_NONE;
/* ... */
HAL_PWR_DisableWakeUpPin(PWR_WAKEUP_PIN1);
HAL_RTC_DeactivateAlarm(&RTCHandle, RTC_ALARM_A);
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
__HAL_RTC_ALARM_CLEAR_FLAG(&RTCHandle, RTC_FLAG_ALRAF);
if(HAL_RTC_SetAlarm_IT(&RTCHandle, &RTC_AlarmStructure, RTC_FORMAT_BIN) != HAL_OK)
{
Error_Handler();
}if (HAL_RTC_SetAlarm_IT(&RTCHandle, &RTC_AlarmStructure, RTC_FORMAT_BIN) != HAL_OK) { ... }
HAL_PWR_EnableWakeUpPin(PWR_WAKEUP_PIN1);
BSP_LED_Off(LED1);
HAL_PWR_EnterSTANDBYMode();
}if (GPIO_Pin == KEY_BUTTON_PIN) { ... }
}{ ... }
#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
/* ... */
/* ... */