345 lines
10 KiB
C
345 lines
10 KiB
C
/**
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******************************************************************************
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* @file spi.c
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* @brief 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) 2021 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 Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* www.st.com/SLA0044
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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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#include <cmsis_os2.h>
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/* USER CODE BEGIN 0 */
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void Enable_SPI(SPI_HandleTypeDef* spi);
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/* USER CODE END 0 */
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SPI_HandleTypeDef hspi1;
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SPI_HandleTypeDef hspi2;
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/* SPI1 init function */
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void MX_SPI1_Init(void)
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{
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hspi1.Instance = SPI1;
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hspi1.Init.Mode = SPI_MODE_MASTER;
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hspi1.Init.Direction = SPI_DIRECTION_2LINES;
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hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
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hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;
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hspi1.Init.NSS = SPI_NSS_SOFT;
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hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
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hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi1.Init.CRCPolynomial = 7;
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hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
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hspi1.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
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if (HAL_SPI_Init(&hspi1) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/* SPI2 init function */
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void MX_SPI2_Init(void)
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{
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hspi2.Instance = SPI2;
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hspi2.Init.Mode = SPI_MODE_MASTER;
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hspi2.Init.Direction = SPI_DIRECTION_2LINES;
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hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
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hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
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hspi2.Init.NSS = SPI_NSS_SOFT;
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hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
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hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi2.Init.CRCPolynomial = 7;
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hspi2.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
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hspi2.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
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if (HAL_SPI_Init(&hspi2) != 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==SPI1)
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{
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/* USER CODE BEGIN SPI1_MspInit 0 */
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/* USER CODE END SPI1_MspInit 0 */
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/* SPI1 clock enable */
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__HAL_RCC_SPI1_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**SPI1 GPIO Configuration
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PA5 ------> SPI1_SCK
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PB4 ------> SPI1_MISO
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PB5 ------> SPI1_MOSI
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*/
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GPIO_InitStruct.Pin = SPI_R_SCK_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_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
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HAL_GPIO_Init(SPI_R_SCK_GPIO_Port, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = SPI_R_MISO_Pin|SPI_R_MOSI_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_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* USER CODE BEGIN SPI1_MspInit 1 */
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/* USER CODE END SPI1_MspInit 1 */
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}
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else if(spiHandle->Instance==SPI2)
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{
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/* USER CODE BEGIN SPI2_MspInit 0 */
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/* USER CODE END SPI2_MspInit 0 */
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/* SPI2 clock enable */
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__HAL_RCC_SPI2_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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/**SPI2 GPIO Configuration
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PC2 ------> SPI2_MISO
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PB15 ------> SPI2_MOSI
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PD1 ------> SPI2_SCK
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_2;
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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_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = SPI_D_MOSI_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_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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HAL_GPIO_Init(SPI_D_MOSI_GPIO_Port, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = SPI_D_SCK_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_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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HAL_GPIO_Init(SPI_D_SCK_GPIO_Port, &GPIO_InitStruct);
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/* USER CODE BEGIN SPI2_MspInit 1 */
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// SD Card need faster spi gpio
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GPIO_InitStruct.Pin = GPIO_PIN_2;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = SPI_D_MOSI_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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HAL_GPIO_Init(SPI_D_MOSI_GPIO_Port, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = SPI_D_SCK_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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HAL_GPIO_Init(SPI_D_SCK_GPIO_Port, &GPIO_InitStruct);
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/* USER CODE END SPI2_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==SPI1)
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{
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/* USER CODE BEGIN SPI1_MspDeInit 0 */
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/* USER CODE END SPI1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SPI1_CLK_DISABLE();
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/**SPI1 GPIO Configuration
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PA5 ------> SPI1_SCK
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PB4 ------> SPI1_MISO
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PB5 ------> SPI1_MOSI
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*/
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HAL_GPIO_DeInit(SPI_R_SCK_GPIO_Port, SPI_R_SCK_Pin);
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HAL_GPIO_DeInit(GPIOB, SPI_R_MISO_Pin|SPI_R_MOSI_Pin);
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/* USER CODE BEGIN SPI1_MspDeInit 1 */
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/* USER CODE END SPI1_MspDeInit 1 */
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}
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else if(spiHandle->Instance==SPI2)
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{
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/* USER CODE BEGIN SPI2_MspDeInit 0 */
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/* USER CODE END SPI2_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SPI2_CLK_DISABLE();
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/**SPI2 GPIO Configuration
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PC2 ------> SPI2_MISO
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PB15 ------> SPI2_MOSI
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PD1 ------> SPI2_SCK
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_2);
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HAL_GPIO_DeInit(SPI_D_MOSI_GPIO_Port, SPI_D_MOSI_Pin);
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HAL_GPIO_DeInit(SPI_D_SCK_GPIO_Port, SPI_D_SCK_Pin);
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/* USER CODE BEGIN SPI2_MspDeInit 1 */
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/* USER CODE END SPI2_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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void NFC_SPI_Reconfigure() {
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osKernelLock();
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SPI_R.Init.Mode = SPI_MODE_MASTER;
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SPI_R.Init.Direction = SPI_DIRECTION_2LINES;
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SPI_R.Init.DataSize = SPI_DATASIZE_8BIT;
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SPI_R.Init.CLKPolarity = SPI_POLARITY_LOW;
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SPI_R.Init.CLKPhase = SPI_PHASE_2EDGE;
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SPI_R.Init.NSS = SPI_NSS_SOFT;
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SPI_R.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8; // 8mhz, 10mhz is max
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SPI_R.Init.FirstBit = SPI_FIRSTBIT_MSB;
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SPI_R.Init.TIMode = SPI_TIMODE_DISABLE;
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SPI_R.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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SPI_R.Init.CRCPolynomial = 7;
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SPI_R.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
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SPI_R.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
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if (HAL_SPI_Init(&SPI_R) != HAL_OK) {
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Error_Handler();
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}
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Enable_SPI(&SPI_R);
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osKernelUnlock();
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}
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void SD_SPI_Reconfigure_Slow(void) {
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osKernelLock();
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SPI_SD_HANDLE.Init.Mode = SPI_MODE_MASTER;
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SPI_SD_HANDLE.Init.Direction = SPI_DIRECTION_2LINES;
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SPI_SD_HANDLE.Init.DataSize = SPI_DATASIZE_8BIT;
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SPI_SD_HANDLE.Init.CLKPolarity = SPI_POLARITY_LOW;
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SPI_SD_HANDLE.Init.CLKPhase = SPI_PHASE_1EDGE;
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SPI_SD_HANDLE.Init.NSS = SPI_NSS_SOFT;
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SPI_SD_HANDLE.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
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SPI_SD_HANDLE.Init.FirstBit = SPI_FIRSTBIT_MSB;
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SPI_SD_HANDLE.Init.TIMode = SPI_TIMODE_DISABLE;
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SPI_SD_HANDLE.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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SPI_SD_HANDLE.Init.CRCPolynomial = 7;
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SPI_SD_HANDLE.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
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SPI_SD_HANDLE.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
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if(HAL_SPI_Init(&SPI_SD_HANDLE) != HAL_OK) {
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Error_Handler();
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}
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Enable_SPI(&SPI_SD_HANDLE);
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osKernelUnlock();
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}
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void SD_SPI_Reconfigure_Fast(void) {
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osKernelLock();
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SPI_SD_HANDLE.Init.Mode = SPI_MODE_MASTER;
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SPI_SD_HANDLE.Init.Direction = SPI_DIRECTION_2LINES;
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SPI_SD_HANDLE.Init.DataSize = SPI_DATASIZE_8BIT;
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SPI_SD_HANDLE.Init.CLKPolarity = SPI_POLARITY_LOW;
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SPI_SD_HANDLE.Init.CLKPhase = SPI_PHASE_1EDGE;
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SPI_SD_HANDLE.Init.NSS = SPI_NSS_SOFT;
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SPI_SD_HANDLE.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
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SPI_SD_HANDLE.Init.FirstBit = SPI_FIRSTBIT_MSB;
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SPI_SD_HANDLE.Init.TIMode = SPI_TIMODE_DISABLE;
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SPI_SD_HANDLE.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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SPI_SD_HANDLE.Init.CRCPolynomial = 7;
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SPI_SD_HANDLE.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
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SPI_SD_HANDLE.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
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if(HAL_SPI_Init(&SPI_SD_HANDLE) != HAL_OK) {
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Error_Handler();
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}
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Enable_SPI(&SPI_SD_HANDLE);
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osKernelUnlock();
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}
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void CC1101_SPI_Reconfigure(void) {
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osKernelLock();
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SPI_R.Init.Mode = SPI_MODE_MASTER;
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SPI_R.Init.Direction = SPI_DIRECTION_2LINES;
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SPI_R.Init.DataSize = SPI_DATASIZE_8BIT;
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SPI_R.Init.CLKPolarity = SPI_POLARITY_LOW;
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SPI_R.Init.CLKPhase = SPI_PHASE_1EDGE;
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SPI_R.Init.NSS = SPI_NSS_SOFT;
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SPI_R.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
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SPI_R.Init.FirstBit = SPI_FIRSTBIT_MSB;
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SPI_R.Init.TIMode = SPI_TIMODE_DISABLE;
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SPI_R.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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SPI_R.Init.CRCPolynomial = 7;
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SPI_R.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
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SPI_R.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
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if(HAL_SPI_Init(&SPI_R) != HAL_OK) {
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Error_Handler();
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}
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Enable_SPI(&SPI_R);
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osKernelUnlock();
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}
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void Enable_SPI(SPI_HandleTypeDef* spi_instance){
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if((spi_instance->Instance->CR1 & SPI_CR1_SPE) != SPI_CR1_SPE) {
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__HAL_SPI_ENABLE(spi_instance);
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}
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}
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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