/**
  ******************************************************************************
  * @file    hdmi_cec.c
  * @brief   This file provides code for the configuration
  *          of the HDMI_CEC instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 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 "hdmi_cec.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

CEC_HandleTypeDef hcec;
uint8_t cec_receive_buffer[16];

/* HDMI_CEC init function */
void MX_HDMI_CEC_Init(void)
{

  /* USER CODE BEGIN HDMI_CEC_Init 0 */

  /* USER CODE END HDMI_CEC_Init 0 */

  /* USER CODE BEGIN HDMI_CEC_Init 1 */

  /* USER CODE END HDMI_CEC_Init 1 */
  hcec.Instance = CEC;
  hcec.Init.SignalFreeTime = CEC_DEFAULT_SFT;
  hcec.Init.Tolerance = CEC_STANDARD_TOLERANCE;
  hcec.Init.BRERxStop = CEC_RX_STOP_ON_BRE;
  hcec.Init.BREErrorBitGen = CEC_BRE_ERRORBIT_NO_GENERATION;
  hcec.Init.LBPEErrorBitGen = CEC_LBPE_ERRORBIT_NO_GENERATION;
  hcec.Init.BroadcastMsgNoErrorBitGen = CEC_BROADCASTERROR_ERRORBIT_GENERATION;
  hcec.Init.SignalFreeTimeOption = CEC_SFT_START_ON_TXSOM;
  hcec.Init.ListenMode = CEC_FULL_LISTENING_MODE;
  hcec.Init.OwnAddress = CEC_OWN_ADDRESS_NONE;
  hcec.Init.RxBuffer = cec_receive_buffer;
  if (HAL_CEC_Init(&hcec) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN HDMI_CEC_Init 2 */

  /* USER CODE END HDMI_CEC_Init 2 */

}

void HAL_CEC_MspInit(CEC_HandleTypeDef* cecHandle)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
  if(cecHandle->Instance==CEC)
  {
  /* USER CODE BEGIN CEC_MspInit 0 */

  /* USER CODE END CEC_MspInit 0 */
  /** Initializes the peripherals clock
  */
    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_CEC;
    PeriphClkInitStruct.CecClockSelection = RCC_CECCLKSOURCE_LSI;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
    {
      Error_Handler();
    }

    /* CEC clock enable */
    __HAL_RCC_CEC_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**HDMI_CEC GPIO Configuration
    PA15 (JTDI)     ------> CEC
    */
    GPIO_InitStruct.Pin = GPIO_PIN_15;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF4_CEC;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* CEC interrupt Init */
    HAL_NVIC_SetPriority(CEC_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(CEC_IRQn);
  /* USER CODE BEGIN CEC_MspInit 1 */

  /* USER CODE END CEC_MspInit 1 */
  }
}

void HAL_CEC_MspDeInit(CEC_HandleTypeDef* cecHandle)
{

  if(cecHandle->Instance==CEC)
  {
  /* USER CODE BEGIN CEC_MspDeInit 0 */

  /* USER CODE END CEC_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_CEC_CLK_DISABLE();

    /**HDMI_CEC GPIO Configuration
    PA15 (JTDI)     ------> CEC
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_15);

    /* CEC interrupt Deinit */
    HAL_NVIC_DisableIRQ(CEC_IRQn);
  /* USER CODE BEGIN CEC_MspDeInit 1 */

  /* USER CODE END CEC_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

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