/**
  ******************************************************************************
  * @file    py32f420_hal_msp.c
  * @author  MCU Application Team
  * @brief   This file provides code for the MSP Initialization
  *          and de-Initialization codes.
  ******************************************************************************
  * @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 typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* External functions --------------------------------------------------------*/

/**
  * @brief Initialize global MSP
  */
void HAL_MspInit(void)
{
  __HAL_RCC_SYSCFG_CLK_ENABLE();
  __HAL_RCC_PWR_CLK_ENABLE();
}

/**
* @brief COMP MSP Initialization
* @param hcomp: COMP handle pointer
* @retval None
*/
void HAL_COMP_MspInit(COMP_HandleTypeDef* hcomp)
{
  GPIO_InitTypeDef  GPIO_InitStruct = {0};
  RCC_OscInitTypeDef RCCCONF = {0};
  RCC_PeriphCLKInitTypeDef COMPRCC = {0};
  
  __HAL_RCC_COMP_CLK_ENABLE();
  __HAL_RCC_GPIOC_CLK_ENABLE();
  
  RCCCONF.OscillatorType = RCC_OSCILLATORTYPE_LSI;        /* RCC uses internal LSI */
  RCCCONF.LSIState = RCC_LSI_ON;                          /* Enable LSI */
  RCCCONF.PLL.PLLState = RCC_PLL_NONE;                    /* PLL State No update */
  HAL_RCC_OscConfig(&RCCCONF);                            /* Clock initialization */
      
  COMPRCC.PeriphClockSelection = RCC_PERIPHCLK_COMP1;     /* Peripheral selection COMP1 */
  COMPRCC.Comp1ClockSelection = RCC_COMP1CLKSOURCE_LSI;   /* Peripheral independent clock source selection LSI */
  HAL_RCCEx_PeriphCLKConfig(&COMPRCC);                    /* RCC extension peripheral clock initialization */
  
  GPIO_InitStruct.Mode  = GPIO_MODE_ANALOG;      /* Analog Mode */
  GPIO_InitStruct.Pull  = GPIO_NOPULL;           /* NO PULL */
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;  /* I/O speed: High speed */
  GPIO_InitStruct.Pin = (GPIO_PIN_2 | GPIO_PIN_3);
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  
  HAL_NVIC_EnableIRQ(COMP1_IRQn);                /* Enable COMP interrupt */
  HAL_NVIC_SetPriority(COMP1_IRQn, 1, 1);
}

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