You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
143 lines
4.6 KiB
143 lines
4.6 KiB
7 years ago
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
* 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
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
||
|
|
* are permitted provided that the following conditions are met:
|
||
|
|
* 1. Redistributions 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 its contributors
|
||
|
|
* may be used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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"
|
||
|
|
|
||
|
|
/* USER CODE BEGIN 0 */
|
||
|
|
|
||
|
|
/* USER CODE END 0 */
|
||
|
|
|
||
|
|
SPI_HandleTypeDef hspi1;
|
||
|
|
|
||
|
|
/* SPI1 init function */
|
||
|
|
void MX_SPI1_Init(void)
|
||
|
|
{
|
||
|
|
|
||
|
|
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_1EDGE;
|
||
|
|
hspi1.Init.NSS = SPI_NSS_HARD_OUTPUT;
|
||
|
|
hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
|
||
|
|
hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
|
||
|
|
hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
|
||
|
|
hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
|
||
|
|
hspi1.Init.CRCPolynomial = 7;
|
||
|
|
if (HAL_SPI_Init(&hspi1) != HAL_OK)
|
||
|
|
{
|
||
|
|
_Error_Handler(__FILE__, __LINE__);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
|
||
|
|
{
|
||
|
|
|
||
|
|
GPIO_InitTypeDef GPIO_InitStruct;
|
||
|
|
if(spiHandle->Instance==SPI1)
|
||
|
|
{
|
||
|
|
/* USER CODE BEGIN SPI1_MspInit 0 */
|
||
|
|
|
||
|
|
/* USER CODE END SPI1_MspInit 0 */
|
||
|
|
/* SPI1 clock enable */
|
||
|
|
__HAL_RCC_SPI1_CLK_ENABLE();
|
||
|
|
|
||
|
|
/**SPI1 GPIO Configuration
|
||
|
|
PA4 ------> SPI1_NSS
|
||
|
|
PA5 ------> SPI1_SCK
|
||
|
|
PA6 ------> SPI1_MISO
|
||
|
|
PA7 ------> SPI1_MOSI
|
||
|
|
*/
|
||
|
|
GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
|
||
|
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
||
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
||
|
|
GPIO_InitStruct.Alternate = GPIO_AF0_SPI1;
|
||
|
|
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
||
|
|
|
||
|
|
/* USER CODE BEGIN SPI1_MspInit 1 */
|
||
|
|
|
||
|
|
/* USER CODE END SPI1_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
|
||
|
|
PA4 ------> SPI1_NSS
|
||
|
|
PA5 ------> SPI1_SCK
|
||
|
|
PA6 ------> SPI1_MISO
|
||
|
|
PA7 ------> SPI1_MOSI
|
||
|
|
*/
|
||
|
|
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
|
||
|
|
|
||
|
|
/* USER CODE BEGIN SPI1_MspDeInit 1 */
|
||
|
|
|
||
|
|
/* USER CODE END SPI1_MspDeInit 1 */
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* USER CODE BEGIN 1 */
|
||
|
|
|
||
|
|
/* USER CODE END 1 */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|