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/* ... */
#include "main.h"
/* ... */
/* ... */
Includes
RTC_HandleTypeDef RtcHandle;
__IO FlagStatus TamperStatus;
uint32_t aBKPDataReg[BACKUP_COUNT] =
{
RTC_BKP_DR0, RTC_BKP_DR1, RTC_BKP_DR2,
RTC_BKP_DR3, RTC_BKP_DR4, RTC_BKP_DR5,
RTC_BKP_DR6, RTC_BKP_DR7, RTC_BKP_DR8,
RTC_BKP_DR9, RTC_BKP_DR10, RTC_BKP_DR11,
RTC_BKP_DR12, RTC_BKP_DR13, RTC_BKP_DR14,
RTC_BKP_DR15, RTC_BKP_DR16, RTC_BKP_DR17,
RTC_BKP_DR18, RTC_BKP_DR19
...};
Private variables
static void SystemClock_Config(void);
Private function prototypes
/* ... */
int main(void)
{
uint32_t index = 0;
RTC_TamperTypeDef stamperstructure;
/* ... */
HAL_Init();
SystemClock_Config();
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_PB_Init(BUTTON_USER,BUTTON_MODE_GPIO);
/* ... */
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) { ... }
stamperstructure.Tamper = RTC_TAMPER_1;
stamperstructure.PinSelection = RTC_TAMPERPIN_PC13;
stamperstructure.Trigger = RTC_TAMPERTRIGGER_FALLINGEDGE;
stamperstructure.Filter = RTC_TAMPERFILTER_DISABLE;
stamperstructure.SamplingFrequency = RTC_TAMPERSAMPLINGFREQ_RTCCLK_DIV32768;
stamperstructure.PrechargeDuration = RTC_TAMPERPRECHARGEDURATION_1RTCCLK;
stamperstructure.TamperPullUp = RTC_TAMPER_PULLUP_ENABLE;
stamperstructure.TimeStampOnTamperDetection = RTC_TIMESTAMPONTAMPERDETECTION_DISABLE;
if (HAL_RTCEx_SetTamper_IT(&RtcHandle, &stamperstructure) != HAL_OK)
{
Error_Handler();
}if (HAL_RTCEx_SetTamper_IT(&RtcHandle, &stamperstructure) != HAL_OK) { ... }
__HAL_RTC_TAMPER_CLEAR_FLAG(&RtcHandle,RTC_FLAG_TAMP1F);
for (index = 0; index < BACKUP_COUNT; index++)
{
HAL_RTCEx_BKUPWrite(&RtcHandle, aBKPDataReg[index], 0xDF59 + (index * 0x5A));
}for (index = 0; index < BACKUP_COUNT; index++) { ... }
for (index = 0; index < BACKUP_COUNT; index++)
{
if (HAL_RTCEx_BKUPRead(&RtcHandle, aBKPDataReg[index]) != (0xDF59 + (index * 0x5A)))
{
Error_Handler();
}if (HAL_RTCEx_BKUPRead(&RtcHandle, aBKPDataReg[index]) != (0xDF59 + (index * 0x5A))) { ... }
}for (index = 0; index < BACKUP_COUNT; index++) { ... }
TamperStatus = RESET;
while (TamperStatus != SET)
{
BSP_LED_Toggle(LED1);
HAL_Delay(1000);
}while (TamperStatus != SET) { ... }
HAL_RTCEx_DeactivateTamper(&RtcHandle, RTC_TAMPER_1);
for (index = 0; index < BACKUP_COUNT; index++)
{
if (HAL_RTCEx_BKUPRead(&RtcHandle, aBKPDataReg[index]) != 0x00)
{
Error_Handler();
}if (HAL_RTCEx_BKUPRead(&RtcHandle, aBKPDataReg[index]) != 0x00) { ... }
}for (index = 0; index < BACKUP_COUNT; index++) { ... }
while (1)
{
BSP_LED_Toggle(LED1);
HAL_Delay(100);
}while (1) { ... }
}{ ... }
/* ... */
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
HAL_StatusTypeDef ret = HAL_OK;
__HAL_RCC_PWR_CLK_ENABLE();
/* ... */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 360;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
RCC_OscInitStruct.PLL.PLLR = 2;
ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
ret = HAL_PWREx_EnableOverDrive();
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != 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;
ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
}{ ... }
/* ... */
void Error_Handler(void)
{
BSP_LED_On(LED2);
while (1)
{
}while (1) { ... }
}{ ... }
/* ... */
void HAL_RTCEx_Tamper1EventCallback(RTC_HandleTypeDef *hrtc)
{
}{ ... }
#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
/* ... */
/* ... */