| 1 | /* USER CODE BEGIN Header */ |
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| 2 | /** |
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| 3 | ****************************************************************************** |
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| 4 | * @file spi.c |
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| 5 | * @brief This file provides code for the configuration |
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| 6 | * of the SPI instances. |
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| 7 | ****************************************************************************** |
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| 8 | * @attention |
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| 9 | * |
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| 10 | * Copyright (c) 2025 STMicroelectronics. |
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| 11 | * All rights reserved. |
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| 12 | * |
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| 13 | * This software is licensed under terms that can be found in the LICENSE file |
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| 14 | * in the root directory of this software component. |
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| 15 | * If no LICENSE file comes with this software, it is provided AS-IS. |
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| 16 | * |
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| 17 | ****************************************************************************** |
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| 18 | */ |
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| 19 | /* USER CODE END Header */ |
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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 hspi3; |
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| 28 | |
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| 29 | /* SPI3 init function */ |
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| 30 | void MX_SPI3_Init(void) |
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| 31 | { |
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| 32 | |
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| 33 | /* USER CODE BEGIN SPI3_Init 0 */ |
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| 34 | |
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| 35 | /* USER CODE END SPI3_Init 0 */ |
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| 36 | |
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| 37 | /* USER CODE BEGIN SPI3_Init 1 */ |
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| 38 | |
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| 39 | /* USER CODE END SPI3_Init 1 */ |
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| 40 | hspi3.Instance = SPI3; |
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| 41 | hspi3.Init.Mode = SPI_MODE_MASTER; |
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| 42 | hspi3.Init.Direction = SPI_DIRECTION_2LINES; |
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| 43 | hspi3.Init.DataSize = SPI_DATASIZE_4BIT; |
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| 44 | hspi3.Init.CLKPolarity = SPI_POLARITY_LOW; |
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| 45 | hspi3.Init.CLKPhase = SPI_PHASE_1EDGE; |
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| 46 | hspi3.Init.NSS = SPI_NSS_HARD_OUTPUT; |
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| 47 | hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; |
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| 48 | hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB; |
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| 49 | hspi3.Init.TIMode = SPI_TIMODE_DISABLE; |
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| 50 | hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; |
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| 51 | hspi3.Init.CRCPolynomial = 7; |
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| 52 | hspi3.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE; |
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| 53 | hspi3.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; |
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| 54 | if (HAL_SPI_Init(&hspi3) != HAL_OK) |
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| 55 | { |
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| 56 | Error_Handler(); |
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| 57 | } |
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| 58 | /* USER CODE BEGIN SPI3_Init 2 */ |
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| 59 | |
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| 60 | /* USER CODE END SPI3_Init 2 */ |
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| 61 | |
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| 62 | } |
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| 63 | |
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| 64 | void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle) |
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| 65 | { |
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| 66 | |
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| 67 | GPIO_InitTypeDef GPIO_InitStruct = {0}; |
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| 68 | if(spiHandle->Instance==SPI3) |
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| 69 | { |
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| 70 | /* USER CODE BEGIN SPI3_MspInit 0 */ |
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| 71 | |
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| 72 | /* USER CODE END SPI3_MspInit 0 */ |
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| 73 | /* SPI3 clock enable */ |
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| 74 | __HAL_RCC_SPI3_CLK_ENABLE(); |
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| 75 | |
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| 76 | __HAL_RCC_GPIOA_CLK_ENABLE(); |
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| 77 | __HAL_RCC_GPIOC_CLK_ENABLE(); |
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| 78 | /**SPI3 GPIO Configuration |
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| 79 | PA15 ------> SPI3_NSS |
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| 80 | PC10 ------> SPI3_SCK |
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| 81 | PC11 ------> SPI3_MISO |
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| 82 | PC12 ------> SPI3_MOSI |
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| 83 | */ |
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| 84 | GPIO_InitStruct.Pin = GPIO_PIN_15; |
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| 85 | GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; |
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| 86 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 87 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
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| 88 | GPIO_InitStruct.Alternate = GPIO_AF6_SPI3; |
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| 89 | HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); |
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| 90 | |
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| 91 | GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12; |
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| 92 | GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; |
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| 93 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 94 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
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| 95 | GPIO_InitStruct.Alternate = GPIO_AF6_SPI3; |
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| 96 | HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); |
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| 97 | |
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| 98 | /* USER CODE BEGIN SPI3_MspInit 1 */ |
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| 99 | |
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| 100 | /* USER CODE END SPI3_MspInit 1 */ |
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| 101 | } |
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| 102 | } |
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| 103 | |
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| 104 | void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle) |
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| 105 | { |
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| 106 | |
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| 107 | if(spiHandle->Instance==SPI3) |
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| 108 | { |
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| 109 | /* USER CODE BEGIN SPI3_MspDeInit 0 */ |
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| 110 | |
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| 111 | /* USER CODE END SPI3_MspDeInit 0 */ |
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| 112 | /* Peripheral clock disable */ |
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| 113 | __HAL_RCC_SPI3_CLK_DISABLE(); |
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| 114 | |
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| 115 | /**SPI3 GPIO Configuration |
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| 116 | PA15 ------> SPI3_NSS |
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| 117 | PC10 ------> SPI3_SCK |
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| 118 | PC11 ------> SPI3_MISO |
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| 119 | PC12 ------> SPI3_MOSI |
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| 120 | */ |
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| 121 | HAL_GPIO_DeInit(GPIOA, GPIO_PIN_15); |
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| 122 | |
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| 123 | HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12); |
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| 124 | |
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| 125 | /* USER CODE BEGIN SPI3_MspDeInit 1 */ |
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| 126 | |
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| 127 | /* USER CODE END SPI3_MspDeInit 1 */ |
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| 128 | } |
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| 129 | } |
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| 130 | |
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| 131 | /* USER CODE BEGIN 1 */ |
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| 132 | |
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| 133 | /* USER CODE END 1 */ |
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