253 lines
6.1 KiB
C
253 lines
6.1 KiB
C
/* USER CODE BEGIN Header */
|
|
/**
|
|
******************************************************************************
|
|
* @file : main.c
|
|
* @brief : Main program body
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© Copyright (c) 2020 STMicroelectronics.
|
|
* All rights reserved.</center></h2>
|
|
*
|
|
* This software component is licensed by ST under BSD 3-Clause license,
|
|
* the "License"; You may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at:
|
|
* opensource.org/licenses/BSD-3-Clause
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
/* USER CODE END Header */
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "main.h"
|
|
|
|
/* Private includes ----------------------------------------------------------*/
|
|
/* USER CODE BEGIN Includes */
|
|
|
|
/* USER CODE END Includes */
|
|
|
|
/* Private typedef -----------------------------------------------------------*/
|
|
/* USER CODE BEGIN PTD */
|
|
|
|
/* USER CODE END PTD */
|
|
|
|
/* Private define ------------------------------------------------------------*/
|
|
/* USER CODE BEGIN PD */
|
|
/* USER CODE END PD */
|
|
|
|
/* Private macro -------------------------------------------------------------*/
|
|
/* USER CODE BEGIN PM */
|
|
|
|
/* USER CODE END PM */
|
|
|
|
/* Private variables ---------------------------------------------------------*/
|
|
RTC_HandleTypeDef hrtc;
|
|
|
|
/* USER CODE BEGIN PV */
|
|
|
|
/* USER CODE END PV */
|
|
|
|
/* Private function prototypes -----------------------------------------------*/
|
|
void SystemClock_Config(void);
|
|
static void MX_GPIO_Init(void);
|
|
static void MX_RTC_Init(void);
|
|
/* USER CODE BEGIN PFP */
|
|
|
|
/* USER CODE END PFP */
|
|
|
|
/* Private user code ---------------------------------------------------------*/
|
|
/* USER CODE BEGIN 0 */
|
|
|
|
/* USER CODE END 0 */
|
|
|
|
/**
|
|
* @brief The application entry point.
|
|
* @retval int
|
|
*/
|
|
int main(void)
|
|
{
|
|
/* USER CODE BEGIN 1 */
|
|
|
|
/* USER CODE END 1 */
|
|
|
|
/* MCU Configuration--------------------------------------------------------*/
|
|
|
|
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
|
|
HAL_Init();
|
|
|
|
/* USER CODE BEGIN Init */
|
|
|
|
/* USER CODE END Init */
|
|
|
|
/* Configure the system clock */
|
|
SystemClock_Config();
|
|
|
|
/* USER CODE BEGIN SysInit */
|
|
|
|
/* USER CODE END SysInit */
|
|
|
|
/* Initialize all configured peripherals */
|
|
MX_GPIO_Init();
|
|
MX_RTC_Init();
|
|
/* USER CODE BEGIN 2 */
|
|
|
|
/* USER CODE END 2 */
|
|
|
|
/* Infinite loop */
|
|
/* USER CODE BEGIN WHILE */
|
|
while (1)
|
|
{
|
|
/* USER CODE END WHILE */
|
|
|
|
/* USER CODE BEGIN 3 */
|
|
}
|
|
/* USER CODE END 3 */
|
|
}
|
|
|
|
/**
|
|
* @brief System Clock Configuration
|
|
* @retval None
|
|
* 24Mhz + RTC + LSE
|
|
*/
|
|
void SystemClock_Config(void)
|
|
{
|
|
LL_FLASH_SetLatency(LL_FLASH_LATENCY_1);
|
|
while(LL_FLASH_GetLatency()!= LL_FLASH_LATENCY_1)
|
|
{
|
|
}
|
|
LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE1);
|
|
LL_RCC_MSI_Enable();
|
|
|
|
/* Wait till MSI is ready */
|
|
while(LL_RCC_MSI_IsReady() != 1)
|
|
{
|
|
|
|
}
|
|
LL_RCC_MSI_EnablePLLMode();
|
|
LL_RCC_MSI_EnableRangeSelection();
|
|
LL_RCC_MSI_SetRange(LL_RCC_MSIRANGE_6);
|
|
LL_RCC_MSI_SetCalibTrimming(0);
|
|
LL_PWR_EnableBkUpAccess();
|
|
LL_RCC_ForceBackupDomainReset();
|
|
LL_RCC_ReleaseBackupDomainReset();
|
|
LL_RCC_LSE_SetDriveCapability(LL_RCC_LSEDRIVE_LOW);
|
|
LL_RCC_LSE_Enable();
|
|
|
|
/* Wait till LSE is ready */
|
|
while(LL_RCC_LSE_IsReady() != 1)
|
|
{
|
|
|
|
}
|
|
LL_RCC_SetRTCClockSource(LL_RCC_RTC_CLKSOURCE_LSE);
|
|
LL_RCC_EnableRTC();
|
|
LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_MSI, LL_RCC_PLLM_DIV_1, 24, LL_RCC_PLLR_DIV_4);
|
|
LL_RCC_PLL_EnableDomain_SYS();
|
|
LL_RCC_PLL_Enable();
|
|
|
|
/* Wait till PLL is ready */
|
|
while(LL_RCC_PLL_IsReady() != 1)
|
|
{
|
|
|
|
}
|
|
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
|
|
|
|
/* Wait till System clock is ready */
|
|
while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
|
|
{
|
|
|
|
}
|
|
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
|
|
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
|
|
LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
|
|
LL_SetSystemCoreClock(24000000);
|
|
|
|
/* Update the time base */
|
|
if (HAL_InitTick (TICK_INT_PRIORITY) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief RTC Initialization Function
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void MX_RTC_Init(void)
|
|
{
|
|
|
|
/* USER CODE BEGIN RTC_Init 0 */
|
|
|
|
/* USER CODE END RTC_Init 0 */
|
|
|
|
/* USER CODE BEGIN RTC_Init 1 */
|
|
|
|
/* USER CODE END RTC_Init 1 */
|
|
/** Initialize RTC Only
|
|
*/
|
|
hrtc.Instance = RTC;
|
|
hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
|
|
hrtc.Init.AsynchPrediv = 127;
|
|
hrtc.Init.SynchPrediv = 255;
|
|
hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
|
|
hrtc.Init.OutPutRemap = RTC_OUTPUT_REMAP_NONE;
|
|
hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
|
|
hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
|
|
if (HAL_RTC_Init(&hrtc) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/* USER CODE BEGIN RTC_Init 2 */
|
|
|
|
/* USER CODE END RTC_Init 2 */
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief GPIO Initialization Function
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void MX_GPIO_Init(void)
|
|
{
|
|
|
|
/* GPIO Ports Clock Enable */
|
|
__HAL_RCC_GPIOC_CLK_ENABLE();
|
|
__HAL_RCC_GPIOA_CLK_ENABLE();
|
|
__HAL_RCC_GPIOB_CLK_ENABLE();
|
|
|
|
}
|
|
|
|
/* USER CODE BEGIN 4 */
|
|
|
|
/* USER CODE END 4 */
|
|
|
|
/**
|
|
* @brief This function is executed in case of error occurrence.
|
|
* @retval None
|
|
*/
|
|
void Error_Handler(void)
|
|
{
|
|
/* USER CODE BEGIN Error_Handler_Debug */
|
|
/* User can add his own implementation to report the HAL error return state */
|
|
|
|
/* USER CODE END Error_Handler_Debug */
|
|
}
|
|
|
|
#ifdef USE_FULL_ASSERT
|
|
/**
|
|
* @brief Reports the name of the source file and the source line number
|
|
* where the assert_param error has occurred.
|
|
* @param file: pointer to the source file name
|
|
* @param line: assert_param error line source number
|
|
* @retval None
|
|
*/
|
|
void assert_failed(uint8_t *file, uint32_t line)
|
|
{
|
|
/* USER CODE BEGIN 6 */
|
|
/* User can add his own implementation to report the file name and line number,
|
|
tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
|
|
/* USER CODE END 6 */
|
|
}
|
|
#endif /* USE_FULL_ASSERT */
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|