/**
  ******************************************************************************
  * @file    main.c
  * @author  MCU Application Team
  * @brief   Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2023 Puya Semiconductor Co.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by Puya 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
  *
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2016 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
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* Private define ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
RTC_HandleTypeDef RtcHandle;

/* Private user code ---------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void APP_SystemClockConfig(void);
static void APP_RtcAlarmConfig(void);
static void APP_RtcTimeShow(void);

/**
  * @brief  Main program.
  * @retval int
  */
int main(void)
{
  /* Reset of all peripherals, Initializes the Systick */
  HAL_Init();

  /* System clock configuration */
  APP_SystemClockConfig();

  /* UART initialization */
  BSP_UART_Config();

  /* RTC initialization */
  RtcHandle.Instance           = RTC;                   /* Select RTC */
  RtcHandle.Init.AsynchPrediv  = RTC_AUTO_1_SECOND;     /* RTC asynchronous prescaler calculated automatically for one second time base */
  RtcHandle.Init.OutPut        = RTC_OUTPUTSOURCE_NONE; /* No output on the TAMPER pin */
  if (HAL_RTC_Init(&RtcHandle) != HAL_OK)
  {
    APP_ErrorHandler();
  }

  /* RTC clock configuration */
  APP_RtcAlarmConfig();

  /* infinite loop */
  while (1)
  {
  }
}

/**
  * @brief  Second interrupt callback function
  * @param  hrtc：RTC handle
  * @retval None
  */
void HAL_RTCEx_RTCEventCallback(RTC_HandleTypeDef *hrtc)
{
  APP_RtcTimeShow();
  printf("RTC_IT_SEC\r\n");
}

/**
  * @brief  Alarm interrupt callback function
  * @param  hrtc：RTC handle
  * @retval None
  */
void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc)
{
  printf("RTC_IT_ALARM\r\n");
}

/**
  * @brief  RTC alarm configuration
  * @param  None
  * @retval None
  */
static void APP_RtcAlarmConfig(void)
{
  RTC_DateTypeDef  sdatestructure  = {0};
  RTC_TimeTypeDef  stimestructure  = {0};
  RTC_AlarmTypeDef salarmstructure = {0};

  /* Set date: 2025/1/1, Wednesday */
  sdatestructure.Year    = 0x25;
  sdatestructure.Month   = 0x01;
  sdatestructure.Date    = 0x01;
  sdatestructure.WeekDay = RTC_WEEKDAY_WEDNESDAY;
  if (HAL_RTC_SetDate(&RtcHandle, &sdatestructure, RTC_FORMAT_BCD) != HAL_OK)
  {
    APP_ErrorHandler();
  }

  /* Set time: 12:13:00 */
  stimestructure.Hours   = 0x12;
  stimestructure.Minutes = 0x13;
  stimestructure.Seconds = 0x00;
  if (HAL_RTC_SetTime(&RtcHandle, &stimestructure, RTC_FORMAT_BCD) != HAL_OK)
  {
    APP_ErrorHandler();
  }

  /* Set RTC alarm, generate interrupt when the time reaches 12:13:35 */
  salarmstructure.AlarmTime.Hours   = 0x12;
  salarmstructure.AlarmTime.Minutes = 0x13;
  salarmstructure.AlarmTime.Seconds = 0x35;
  if (HAL_RTC_SetAlarm_IT(&RtcHandle, &salarmstructure, RTC_FORMAT_BCD) != HAL_OK)
  {
    APP_ErrorHandler();
  }
}

/**
  * @brief  Show the current RTC time
  * @param  None
  * @retval None
  */
static void APP_RtcTimeShow(void)
{
  RTC_DateTypeDef sdatestructureget = {0};
  RTC_TimeTypeDef stimestructureget = {0};
  
  /* Get the current RTC time */
  HAL_RTC_GetTime(&RtcHandle, &stimestructureget, RTC_FORMAT_BIN);

  /* Get the current RTC date */
  HAL_RTC_GetDate(&RtcHandle, &sdatestructureget, RTC_FORMAT_BIN);

  /* Display the time in the format: hh:mm:ss */
  printf("%02d:%02d:%02d\r\n", stimestructureget.Hours, stimestructureget.Minutes, stimestructureget.Seconds);
}

/**
  * @brief  System clock configuration function
  * @param  None
  * @retval None
  */
static void APP_SystemClockConfig(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /* Oscillator configuration */
  RCC_OscInitStruct.OscillatorType      = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSI; /* Select oscillator HSI, LSI */
#if defined(RCC_HSE_SUPPORT)
  RCC_OscInitStruct.OscillatorType      |= RCC_OSCILLATORTYPE_HSE; /* Select oscillator HSE */
#endif /* RCC_HSE_SUPPORT */
#if defined(RCC_LSE_SUPPORT)
  RCC_OscInitStruct.OscillatorType      |= RCC_OSCILLATORTYPE_LSE; /* Select oscillator LSE */
#endif /* RCC_LSE_SUPPORT */
  RCC_OscInitStruct.HSIState            = RCC_HSI_ON;              /* Enable HSI */
  RCC_OscInitStruct.HSIDiv              = RCC_HSI_DIV1;            /* HSI 1 frequency division */
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_8MHz; /* Configure HSI clock 8MHz */
#if defined(RCC_HSE_SUPPORT)
  RCC_OscInitStruct.HSEState            = RCC_HSE_OFF;             /* Close HSE */
  /*RCC_OscInitStruct.HSEFreq             = RCC_HSE_24_32MHz;*/
#endif /* RCC_HSE_SUPPORT */
  RCC_OscInitStruct.LSIState            = RCC_LSI_OFF;             /* Close LSI */
#if defined(RCC_LSE_SUPPORT)
  RCC_OscInitStruct.LSEState            = RCC_LSE_OFF;             /* Close LSE */
  /*RCC_OscInitStruct.LSEDriver           = RCC_LSEDRIVE_MEDIUM;*/
#endif /* RCC_LSE_SUPPORT */
#if defined(RCC_PLL_SUPPORT)
  RCC_OscInitStruct.PLL.PLLState        = RCC_PLL_OFF;             /* Close PLL */
  /*RCC_OscInitStruct.PLL.PLLSource       = RCC_PLLSOURCE_HSI;*/
  /*RCC_OscInitStruct.PLL.PLLMUL          = RCC_PLL_MUL6;*/
  /*RCC_OscInitStruct.PLL.PLLDiv          = RCC_PLL_DIV1;*/
#endif /* RCC_PLL_SUPPORT */
  /* Configure oscillator */
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    APP_ErrorHandler();
  }

  /* Clock source configuration */
  RCC_ClkInitStruct.ClockType     = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK; /* Choose to configure clock HCLK, SYSCLK, PCLK */
  RCC_ClkInitStruct.SYSCLKSource  = RCC_SYSCLKSOURCE_HSISYS; /* Select HSISYS as the system clock */
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;         /* AHB clock 1 division */
  RCC_ClkInitStruct.APBCLKDivider = RCC_HCLK_DIV1;           /* APB clock 1 division */
  /* Configure clock source */
  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
  {
    APP_ErrorHandler();
  }
}

/**
  * @brief  Error executing function.
  * @param  None
  * @retval None
  */
void APP_ErrorHandler(void)
{
  while (1)
  {
  }
}

#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)
{
  /* Users can add their own printing information as needed,
     for example: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* Infinite loop */
  while (1)
  {
  }
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT Puya *****END OF FILE******************/
