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