flipperzero-firmware/firmware/targets/f6/cube/Src/spi.c

/**
  ******************************************************************************
  * @file    spi.c
  * @brief   This file provides code for the configuration
  *          of the SPI instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under Ultimate Liberty license
  * SLA0044, the "License"; You may not use this file except in compliance with
  * the License. You may obtain a copy of the License at:
  *                             www.st.com/SLA0044
  *
  ******************************************************************************
  */

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

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

SPI_HandleTypeDef hspi1;
SPI_HandleTypeDef hspi2;

/* SPI1 init function */
void MX_SPI1_Init(void) {
    /* USER CODE BEGIN SPI1_Init 0 */

    /* USER CODE END SPI1_Init 0 */

    /* USER CODE BEGIN SPI1_Init 1 */

    /* USER CODE END SPI1_Init 1 */
    hspi1.Instance = SPI1;
    hspi1.Init.Mode = SPI_MODE_MASTER;
    hspi1.Init.Direction = SPI_DIRECTION_2LINES;
    hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
    hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
    hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;
    hspi1.Init.NSS = SPI_NSS_SOFT;
    hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
    hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
    hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
    hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
    hspi1.Init.CRCPolynomial = 7;
    hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
    hspi1.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
    if(HAL_SPI_Init(&hspi1) != HAL_OK) {
        Error_Handler();
    }
    /* USER CODE BEGIN SPI1_Init 2 */

    /* USER CODE END SPI1_Init 2 */
}
/* SPI2 init function */
void MX_SPI2_Init(void) {
    /* USER CODE BEGIN SPI2_Init 0 */

    /* USER CODE END SPI2_Init 0 */

    /* USER CODE BEGIN SPI2_Init 1 */

    /* USER CODE END SPI2_Init 1 */
    hspi2.Instance = SPI2;
    hspi2.Init.Mode = SPI_MODE_MASTER;
    hspi2.Init.Direction = SPI_DIRECTION_2LINES;
    hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
    hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
    hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
    hspi2.Init.NSS = SPI_NSS_SOFT;
    hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
    hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
    hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
    hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
    hspi2.Init.CRCPolynomial = 7;
    hspi2.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
    hspi2.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
    if(HAL_SPI_Init(&hspi2) != HAL_OK) {
        Error_Handler();
    }
    /* USER CODE BEGIN SPI2_Init 2 */

    /* USER CODE END SPI2_Init 2 */
}

void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle) {
    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if(spiHandle->Instance == SPI1) {
        /* USER CODE BEGIN SPI1_MspInit 0 */

        /* USER CODE END SPI1_MspInit 0 */
        /* SPI1 clock enable */
        __HAL_RCC_SPI1_CLK_ENABLE();

        __HAL_RCC_GPIOA_CLK_ENABLE();
        __HAL_RCC_GPIOB_CLK_ENABLE();
        /**SPI1 GPIO Configuration
    PA5     ------> SPI1_SCK
    PB4     ------> SPI1_MISO
    PB5     ------> SPI1_MOSI
    */
        GPIO_InitStruct.Pin = SPI_R_SCK_Pin;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
        GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
        HAL_GPIO_Init(SPI_R_SCK_GPIO_Port, &GPIO_InitStruct);

        GPIO_InitStruct.Pin = SPI_R_MISO_Pin | SPI_R_MOSI_Pin;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
        GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

        /* USER CODE BEGIN SPI1_MspInit 1 */

        /* USER CODE END SPI1_MspInit 1 */
    } else if(spiHandle->Instance == SPI2) {
        /* USER CODE BEGIN SPI2_MspInit 0 */

        /* USER CODE END SPI2_MspInit 0 */
        /* SPI2 clock enable */
        __HAL_RCC_SPI2_CLK_ENABLE();

        __HAL_RCC_GPIOC_CLK_ENABLE();
        __HAL_RCC_GPIOB_CLK_ENABLE();
        __HAL_RCC_GPIOD_CLK_ENABLE();
        /**SPI2 GPIO Configuration
    PC2     ------> SPI2_MISO
    PB15     ------> SPI2_MOSI
    PD1     ------> SPI2_SCK
    */
        GPIO_InitStruct.Pin = SPI_D_MISO_Pin;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
        GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
        HAL_GPIO_Init(SPI_D_MISO_GPIO_Port, &GPIO_InitStruct);

        GPIO_InitStruct.Pin = SPI_D_MOSI_Pin;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
        GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
        HAL_GPIO_Init(SPI_D_MOSI_GPIO_Port, &GPIO_InitStruct);

        GPIO_InitStruct.Pin = SPI_D_SCK_Pin;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
        GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
        HAL_GPIO_Init(SPI_D_SCK_GPIO_Port, &GPIO_InitStruct);

        /* USER CODE BEGIN SPI2_MspInit 1 */

        /* USER CODE END SPI2_MspInit 1 */
    }
}

void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle) {
    if(spiHandle->Instance == SPI1) {
        /* USER CODE BEGIN SPI1_MspDeInit 0 */

        /* USER CODE END SPI1_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_SPI1_CLK_DISABLE();

        /**SPI1 GPIO Configuration
    PA5     ------> SPI1_SCK
    PB4     ------> SPI1_MISO
    PB5     ------> SPI1_MOSI
    */
        HAL_GPIO_DeInit(SPI_R_SCK_GPIO_Port, SPI_R_SCK_Pin);

        HAL_GPIO_DeInit(GPIOB, SPI_R_MISO_Pin | SPI_R_MOSI_Pin);

        /* USER CODE BEGIN SPI1_MspDeInit 1 */

        /* USER CODE END SPI1_MspDeInit 1 */
    } else if(spiHandle->Instance == SPI2) {
        /* USER CODE BEGIN SPI2_MspDeInit 0 */

        /* USER CODE END SPI2_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_SPI2_CLK_DISABLE();

        /**SPI2 GPIO Configuration
    PC2     ------> SPI2_MISO
    PB15     ------> SPI2_MOSI
    PD1     ------> SPI2_SCK
    */
        HAL_GPIO_DeInit(SPI_D_MISO_GPIO_Port, SPI_D_MISO_Pin);

        HAL_GPIO_DeInit(SPI_D_MOSI_GPIO_Port, SPI_D_MOSI_Pin);

        HAL_GPIO_DeInit(SPI_D_SCK_GPIO_Port, SPI_D_SCK_Pin);

        /* USER CODE BEGIN SPI2_MspDeInit 1 */

        /* USER CODE END SPI2_MspDeInit 1 */
    }
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

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