UHSDR/UHSDR-active-devel/mchf-eclipse/basesw/ovi40/Src/spi.c

321 lines
10 KiB
C
Raw Normal View History

2022-11-08 16:13:55 +01:00
/**
******************************************************************************
* File Name : SPI.c
* Description : This file provides code for the configuration
* of the SPI instances.
******************************************************************************
* This notice applies to any and all portions of this file
* that are not between comment pairs USER CODE BEGIN and
* USER CODE END. Other portions of this file, whether
* inserted by the user or by software development tools
* are owned by their respective copyright owners.
*
* Copyright (c) 2017 STMicroelectronics International N.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted, provided that the following conditions are met:
*
* 1. Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of other
* contributors to this software may be used to endorse or promote products
* derived from this software without specific written permission.
* 4. This software, including modifications and/or derivative works of this
* software, must execute solely and exclusively on microcontroller or
* microprocessor devices manufactured by or for STMicroelectronics.
* 5. Redistribution and use of this software other than as permitted under
* this license is void and will automatically terminate your rights under
* this license.
*
* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "spi.h"
#include "gpio.h"
#include "dma.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
SPI_HandleTypeDef hspi2;
SPI_HandleTypeDef hspi3;
SPI_HandleTypeDef hspi6;
DMA_HandleTypeDef hdma_spi2_tx;
/* SPI2 init function */
void MX_SPI2_Init(void)
{
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_HIGH;
hspi2.Init.CLKPhase = SPI_PHASE_2EDGE;
hspi2.Init.NSS = SPI_NSS_SOFT;
hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
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_DISABLE;
if (HAL_SPI_Init(&hspi2) != HAL_OK)
{
Error_Handler();
}
}
/* SPI3 init function */
void MX_SPI3_Init(void)
{
hspi3.Instance = SPI3;
hspi3.Init.Mode = SPI_MODE_MASTER;
hspi3.Init.Direction = SPI_DIRECTION_2LINES;
hspi3.Init.DataSize = SPI_DATASIZE_4BIT;
hspi3.Init.CLKPolarity = SPI_POLARITY_LOW;
hspi3.Init.CLKPhase = SPI_PHASE_1EDGE;
hspi3.Init.NSS = SPI_NSS_SOFT;
hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi3.Init.TIMode = SPI_TIMODE_DISABLE;
hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
hspi3.Init.CRCPolynomial = 7;
hspi3.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
hspi3.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
if (HAL_SPI_Init(&hspi3) != HAL_OK)
{
Error_Handler();
}
}
/* SPI6 init function */
void MX_SPI6_Init(void)
{
hspi6.Instance = SPI6;
hspi6.Init.Mode = SPI_MODE_MASTER;
hspi6.Init.Direction = SPI_DIRECTION_2LINES;
hspi6.Init.DataSize = SPI_DATASIZE_4BIT;
hspi6.Init.CLKPolarity = SPI_POLARITY_LOW;
hspi6.Init.CLKPhase = SPI_PHASE_1EDGE;
hspi6.Init.NSS = SPI_NSS_SOFT;
hspi6.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
hspi6.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi6.Init.TIMode = SPI_TIMODE_DISABLE;
hspi6.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
hspi6.Init.CRCPolynomial = 7;
hspi6.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
hspi6.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
if (HAL_SPI_Init(&hspi6) != HAL_OK)
{
Error_Handler();
}
}
void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
{
GPIO_InitTypeDef GPIO_InitStruct;
if(spiHandle->Instance==SPI2)
{
/* USER CODE BEGIN SPI2_MspInit 0 */
/* USER CODE END SPI2_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_SPI2_CLK_ENABLE();
/**SPI2 GPIO Configuration
PC2 ------> SPI2_MISO
PC3 ------> SPI2_MOSI
PB13 ------> SPI2_SCK
*/
GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_13;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* SPI2 DMA Init */
/* SPI2_TX Init */
hdma_spi2_tx.Instance = DMA1_Stream4;
hdma_spi2_tx.Init.Channel = DMA_CHANNEL_0;
hdma_spi2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_spi2_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_spi2_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_spi2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_spi2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_spi2_tx.Init.Mode = DMA_NORMAL;
hdma_spi2_tx.Init.Priority = DMA_PRIORITY_LOW;
hdma_spi2_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
if (HAL_DMA_Init(&hdma_spi2_tx) != HAL_OK)
{
Error_Handler();
}
__HAL_LINKDMA(spiHandle,hdmatx,hdma_spi2_tx);
/* USER CODE BEGIN SPI2_MspInit 1 */
/* USER CODE END SPI2_MspInit 1 */
}
else if(spiHandle->Instance==SPI3)
{
/* USER CODE BEGIN SPI3_MspInit 0 */
/* USER CODE END SPI3_MspInit 0 */
/* SPI3 clock enable */
__HAL_RCC_SPI3_CLK_ENABLE();
/**SPI3 GPIO Configuration
PC10 ------> SPI3_SCK
PC11 ------> SPI3_MISO
PC12 ------> SPI3_MOSI
*/
GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF6_SPI3;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* USER CODE BEGIN SPI3_MspInit 1 */
/* USER CODE END SPI3_MspInit 1 */
}
else if(spiHandle->Instance==SPI6)
{
/* USER CODE BEGIN SPI6_MspInit 0 */
/* USER CODE END SPI6_MspInit 0 */
/* SPI6 clock enable */
__HAL_RCC_SPI6_CLK_ENABLE();
/**SPI6 GPIO Configuration
PG12 ------> SPI6_MISO
PG13 ------> SPI6_SCK
PG14 ------> SPI6_MOSI
*/
GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF5_SPI6;
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
/* USER CODE BEGIN SPI6_MspInit 1 */
/* USER CODE END SPI6_MspInit 1 */
}
}
void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
{
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
PC3 ------> SPI2_MOSI
PB13 ------> SPI2_SCK
*/
HAL_GPIO_DeInit(GPIOC, GPIO_PIN_2|GPIO_PIN_3);
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13);
/* SPI2 DMA DeInit */
HAL_DMA_DeInit(spiHandle->hdmatx);
/* USER CODE BEGIN SPI2_MspDeInit 1 */
/* USER CODE END SPI2_MspDeInit 1 */
}
else if(spiHandle->Instance==SPI3)
{
/* USER CODE BEGIN SPI3_MspDeInit 0 */
/* USER CODE END SPI3_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_SPI3_CLK_DISABLE();
/**SPI3 GPIO Configuration
PC10 ------> SPI3_SCK
PC11 ------> SPI3_MISO
PC12 ------> SPI3_MOSI
*/
HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12);
/* USER CODE BEGIN SPI3_MspDeInit 1 */
/* USER CODE END SPI3_MspDeInit 1 */
}
else if(spiHandle->Instance==SPI6)
{
/* USER CODE BEGIN SPI6_MspDeInit 0 */
/* USER CODE END SPI6_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_SPI6_CLK_DISABLE();
/**SPI6 GPIO Configuration
PG12 ------> SPI6_MISO
PG13 ------> SPI6_SCK
PG14 ------> SPI6_MOSI
*/
HAL_GPIO_DeInit(GPIOG, GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14);
/* USER CODE BEGIN SPI6_MspDeInit 1 */
/* USER CODE END SPI6_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/