| [6] | 1 | /**
|
|---|
| 2 | ******************************************************************************
|
|---|
| 3 | * File Name : SPI.c
|
|---|
| 4 | * Description : This file provides code for the configuration
|
|---|
| 5 | * of the SPI instances.
|
|---|
| 6 | ******************************************************************************
|
|---|
| 7 | * @attention
|
|---|
| 8 | *
|
|---|
| 9 | * <h2><center>© Copyright (c) 2019 STMicroelectronics.
|
|---|
| 10 | * All rights reserved.</center></h2>
|
|---|
| 11 | *
|
|---|
| 12 | * This software component is licensed by ST under BSD 3-Clause license,
|
|---|
| 13 | * the "License"; You may not use this file except in compliance with the
|
|---|
| 14 | * License. You may obtain a copy of the License at:
|
|---|
| 15 | * opensource.org/licenses/BSD-3-Clause
|
|---|
| 16 | *
|
|---|
| 17 | ******************************************************************************
|
|---|
| 18 | */
|
|---|
| 19 |
|
|---|
| 20 | /* Includes ------------------------------------------------------------------*/
|
|---|
| 21 | #include "spi.h"
|
|---|
| 22 |
|
|---|
| 23 | /* USER CODE BEGIN 0 */
|
|---|
| 24 |
|
|---|
| 25 | /* USER CODE END 0 */
|
|---|
| 26 |
|
|---|
| 27 | SPI_HandleTypeDef hspi1;
|
|---|
| 28 |
|
|---|
| 29 | /* SPI1 init function */
|
|---|
| 30 | void MX_SPI1_Init(void)
|
|---|
| 31 | {
|
|---|
| 32 |
|
|---|
| 33 | hspi1.Instance = SPI1;
|
|---|
| 34 | hspi1.Init.Mode = SPI_MODE_MASTER;
|
|---|
| 35 | hspi1.Init.Direction = SPI_DIRECTION_2LINES;
|
|---|
| 36 | hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
|
|---|
| 37 | hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
|
|---|
| 38 | hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;
|
|---|
| 39 | hspi1.Init.NSS = SPI_NSS_HARD_OUTPUT;
|
|---|
| 40 | hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
|
|---|
| 41 | hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
|
|---|
| 42 | hspi1.Init.TIMode = SPI_TIMODE_DISABLE; // TI mode is not compartible with this ADC
|
|---|
| 43 | hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
|
|---|
| 44 | hspi1.Init.CRCPolynomial = 7;
|
|---|
| 45 | hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
|
|---|
| 46 | hspi1.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
|
|---|
| 47 |
|
|---|
| 48 | if (HAL_SPI_Init(&hspi1) != HAL_OK)
|
|---|
| 49 | {
|
|---|
| 50 | Error_Handler();
|
|---|
| 51 | }
|
|---|
| 52 |
|
|---|
| 53 | }
|
|---|
| 54 |
|
|---|
| 55 | void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
|
|---|
| 56 | {
|
|---|
| 57 |
|
|---|
| 58 | GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|---|
| 59 | if(spiHandle->Instance==SPI1)
|
|---|
| 60 | {
|
|---|
| 61 | /* USER CODE BEGIN SPI1_MspInit 0 */
|
|---|
| 62 |
|
|---|
| 63 | /* USER CODE END SPI1_MspInit 0 */
|
|---|
| 64 | /* SPI1 clock enable */
|
|---|
| 65 | __HAL_RCC_SPI1_CLK_ENABLE();
|
|---|
| 66 |
|
|---|
| 67 | __HAL_RCC_GPIOA_CLK_ENABLE();
|
|---|
| 68 | /**SPI1 GPIO Configuration
|
|---|
| 69 | PA4 ------> SPI1_NSS
|
|---|
| 70 | PA5 ------> SPI1_SCK
|
|---|
| 71 | PA6 ------> SPI1_MISO
|
|---|
| 72 | PA7 ------> SPI1_MOSI
|
|---|
| 73 | */
|
|---|
| 74 | GPIO_InitStruct.Pin = /*ADC_SPI1_NSS_Pin|*/ADC_SPI1_SCK_Pin|ADC_SPI1_MISO_Pin|ADC_SPI1_MOSI_Pin;
|
|---|
| 75 | GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
|---|
| 76 | GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|---|
| 77 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
|---|
| 78 | GPIO_InitStruct.Alternate = GPIO_AF0_SPI1;
|
|---|
| 79 | HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|---|
| 80 |
|
|---|
| 81 | /* USER CODE BEGIN SPI1_MspInit 1 */
|
|---|
| 82 |
|
|---|
| 83 | GPIO_InitTypeDef GPIOInitStruct = {0};
|
|---|
| 84 |
|
|---|
| 85 | GPIOInitStruct.Pin = ADC_SPI1_NSS_Pin;
|
|---|
| 86 | GPIOInitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|---|
| 87 | GPIOInitStruct.Pull = GPIO_NOPULL;
|
|---|
| 88 | HAL_GPIO_Init(ADC_SPI1_NSS_GPIO_Port, &GPIOInitStruct);
|
|---|
| 89 | HAL_GPIO_WritePin(ADC_SPI1_NSS_GPIO_Port, ADC_SPI1_SCK_Pin, GPIO_PIN_SET);
|
|---|
| 90 |
|
|---|
| 91 | /* USER CODE END SPI1_MspInit 1 */
|
|---|
| 92 | }
|
|---|
| 93 | }
|
|---|
| 94 |
|
|---|
| 95 | void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
|
|---|
| 96 | {
|
|---|
| 97 |
|
|---|
| 98 | if(spiHandle->Instance==SPI1)
|
|---|
| 99 | {
|
|---|
| 100 | /* USER CODE BEGIN SPI1_MspDeInit 0 */
|
|---|
| 101 |
|
|---|
| 102 | /* USER CODE END SPI1_MspDeInit 0 */
|
|---|
| 103 | /* Peripheral clock disable */
|
|---|
| 104 | __HAL_RCC_SPI1_CLK_DISABLE();
|
|---|
| 105 |
|
|---|
| 106 | /**SPI1 GPIO Configuration
|
|---|
| 107 | PA4 ------> SPI1_NSS
|
|---|
| 108 | PA5 ------> SPI1_SCK
|
|---|
| 109 | PA6 ------> SPI1_MISO
|
|---|
| 110 | PA7 ------> SPI1_MOSI
|
|---|
| 111 | */
|
|---|
| 112 | HAL_GPIO_DeInit(GPIOA, ADC_SPI1_NSS_Pin|ADC_SPI1_SCK_Pin|ADC_SPI1_MISO_Pin|ADC_SPI1_MOSI_Pin);
|
|---|
| 113 |
|
|---|
| 114 | /* USER CODE BEGIN SPI1_MspDeInit 1 */
|
|---|
| 115 |
|
|---|
| 116 | /* USER CODE END SPI1_MspDeInit 1 */
|
|---|
| 117 | }
|
|---|
| 118 | }
|
|---|
| 119 |
|
|---|
| 120 | /* USER CODE BEGIN 1 */
|
|---|
| 121 |
|
|---|
| 122 | /* USER CODE END 1 */
|
|---|
| 123 |
|
|---|
| 124 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
|---|
