/**
  ******************************************************************************
  * @file    py32f403_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 Initialize MSP for SPI
  */
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
{
  GPIO_InitTypeDef  GPIO_InitStruct = {0};
  /* Initialize SPI2 */
  if (hspi->Instance == SPI2)
  {
    __HAL_RCC_GPIOB_CLK_ENABLE();                   /* Enable GPIOB clock */
    __HAL_RCC_SPI2_CLK_ENABLE();                    /* Enable SPI2 clock */
    
    /* SPI SCK GPIO pin configuration  */
    GPIO_InitStruct.Pin       = GPIO_PIN_13;
    if (hspi->Init.CLKPolarity == SPI_POLARITY_LOW)
    {
      GPIO_InitStruct.Pull = GPIO_PULLDOWN;
    }
    else
    {
      GPIO_InitStruct.Pull = GPIO_PULLUP;
    }
    GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    /* SPI NSS*/
    GPIO_InitStruct.Pin = GPIO_PIN_12;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    /*GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;*/
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
    HAL_GPIO_WritePin(GPIOB,GPIO_PIN_12,GPIO_PIN_SET);  /*Pull up NSS when initializing*/

    /* Configure GPIO as SPI: MISO/MOSI*/
    GPIO_InitStruct.Pin       = GPIO_PIN_14 | GPIO_PIN_15;
    GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull      = GPIO_NOPULL;
    GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
    
    GPIO_InitStruct.Pin       = GPIO_PIN_10 | GPIO_PIN_11;
    GPIO_InitStruct.Mode      = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull      = GPIO_NOPULL;
    GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_VERY_HIGH;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
    HAL_GPIO_WritePin(GPIOB,GPIO_PIN_10,GPIO_PIN_SET);
    HAL_GPIO_WritePin(GPIOB,GPIO_PIN_11,GPIO_PIN_SET);
  }
}

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