/**
  ******************************************************************************
  * @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"
#include "usb_config.h"
/* Private define ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private user code ---------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void APP_SystemClockConfig(void);
static void APP_USBInit(void);
/**
  * @brief  Main program.
  * @retval int
  */
int main(void)
{
  /* Reset of all peripherals, Initializes the Systick. */
  HAL_Init();

  /* System clock configuration */
  APP_SystemClockConfig();

  /* Initialize USB peripheral */
  APP_USBInit();

  /* Infinite loop */
  while (1)
  {
    /* Delay for 1s */
    HAL_Delay(1000);

    /* Call the test function to send data to the USB host */
    cdc_acm_data_send_with_dtr_test();
  }
}

/**
  * @brief  USB peripheral initialization function
  * @param  None
  * @retval None
  */
static void APP_USBInit(void)
{
  __HAL_RCC_SYSCFG_CLK_ENABLE();

  __HAL_RCC_USB_CLK_ENABLE();

  cdc_acm_init();

  /* Enable USB interrupt */
  NVIC_EnableIRQ(USBD_IRQn);
}

/**
  * @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_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; /* Select oscillators HSE, HSI, LSI, LSE */
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;                           /* Enable HSI */
#if defined(RCC_HSIDIV_SUPPORT)
  RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;                           /* HSI not divided */
#endif
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_24MHz;  /* Configure HSI clock as 24MHz */
  RCC_OscInitStruct.HSEState = RCC_HSE_OFF;                          /* Disable HSE */
  /*RCC_OscInitStruct.HSEFreq = RCC_HSE_16_32MHz;*/
  RCC_OscInitStruct.LSIState = RCC_LSI_OFF;                          /* Disable LSI */
  RCC_OscInitStruct.LSEState = RCC_LSE_OFF;                          /* Disable LSE */
  /*RCC_OscInitStruct.LSEDriver = RCC_LSEDRIVE_MEDIUM;*/
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;                       /* Enable PLL */
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;               /* PLL source is HSI */
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL2;                       /* PLL multiplication factor is 2 */
  /* 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_PCLK1; /* Configure clock types HCLK, SYSCLK, PCLK1 */
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; /* Select PLL as system clock */
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;        /* AHB clock not divided */
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;         /* APB clock not divided */
  /* Configure clock source */
  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  {
    APP_ErrorHandler();
  }
}

/**
  * @brief  This function is executed in case of error occurrence.
  * @param  None
  * @retval None
  */
void APP_ErrorHandler(void)
{
  /* Infinite loop */
  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)
{
  /* User can add his own implementation to report the file name and line number,
     ex: 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******************/
