112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
/**
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******************************************************************************
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* File Name : SPI.c
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* Description : This file provides code for the configuration
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* of the SPI instances.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2019 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "spi.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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SPI_HandleTypeDef hspi3;
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/* SPI3 init function */
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void MX_SPI3_Init(void)
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{
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hspi3.Instance = SPI3;
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hspi3.Init.Mode = SPI_MODE_MASTER;
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hspi3.Init.Direction = SPI_DIRECTION_2LINES;
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hspi3.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi3.Init.CLKPolarity = SPI_POLARITY_HIGH;
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hspi3.Init.CLKPhase = SPI_PHASE_2EDGE;
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hspi3.Init.NSS = SPI_NSS_SOFT;
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hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
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hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi3.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi3.Init.CRCPolynomial = 7;
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hspi3.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
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hspi3.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
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if (HAL_SPI_Init(&hspi3) != HAL_OK)
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{
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Error_Handler();
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}
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}
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void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(spiHandle->Instance==SPI3)
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{
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/* USER CODE BEGIN SPI3_MspInit 0 */
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/* USER CODE END SPI3_MspInit 0 */
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/* SPI3 clock enable */
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__HAL_RCC_SPI3_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**SPI3 GPIO Configuration
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PB3 (JTDO-TRACESWO) ------> SPI3_SCK
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PB5 ------> SPI3_MOSI
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*/
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GPIO_InitStruct.Pin = LCD_SPI_SCK_Pin|LCD_SPI_SDA_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF6_SPI3;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* USER CODE BEGIN SPI3_MspInit 1 */
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/* USER CODE END SPI3_MspInit 1 */
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}
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}
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void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
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{
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if(spiHandle->Instance==SPI3)
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{
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/* USER CODE BEGIN SPI3_MspDeInit 0 */
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/* USER CODE END SPI3_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SPI3_CLK_DISABLE();
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/**SPI3 GPIO Configuration
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PB3 (JTDO-TRACESWO) ------> SPI3_SCK
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PB5 ------> SPI3_MOSI
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*/
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HAL_GPIO_DeInit(GPIOB, LCD_SPI_SCK_Pin|LCD_SPI_SDA_Pin);
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/* USER CODE BEGIN SPI3_MspDeInit 1 */
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/* USER CODE END SPI3_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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