diff --git a/Core/Inc/spi.h b/Core/Inc/spi.h new file mode 100644 index 0000000..4eb8d56 --- /dev/null +++ b/Core/Inc/spi.h @@ -0,0 +1,52 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file spi.h + * @brief This file contains all the function prototypes for + * the spi.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2022 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __SPI_H__ +#define __SPI_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "main.h" + +/* USER CODE BEGIN Includes */ + +/* USER CODE END Includes */ + +extern SPI_HandleTypeDef hspi1; + +/* USER CODE BEGIN Private defines */ + +/* USER CODE END Private defines */ + +void MX_SPI_Init(void); + +/* USER CODE BEGIN Prototypes */ + +/* USER CODE END Prototypes */ + +#ifdef __cplusplus +} +#endif + +#endif /* __SPI_H__ */ + diff --git a/Core/Src/spi.c b/Core/Src/spi.c new file mode 100644 index 0000000..8c5ccab --- /dev/null +++ b/Core/Src/spi.c @@ -0,0 +1,191 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file spi.c + * @brief This file provides code for the configuration + * of the SPI instances. + ****************************************************************************** + * @attention + * + * Copyright (c) 2022 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Includes ------------------------------------------------------------------*/ +#include "main.h" +#include "spi.h" + +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +SPI_HandleTypeDef hspi1; +DMA_HandleTypeDef hdma_spi1_rx; +DMA_HandleTypeDef hdma_spi1_tx; + +/* SPI1 init function */ +void MX_SPI_Init(void) +{ + + /* USER CODE BEGIN SPI1_Init 0 */ + __HAL_RCC_SPI1_CLK_ENABLE(); + + __HAL_RCC_GPIOA_CLK_ENABLE(); + __HAL_RCC_GPIOB_CLK_ENABLE(); + /* USER CODE END SPI1_Init 0 */ + + /* USER CODE BEGIN SPI1_Init 1 */ + + /* USER CODE END SPI1_Init 1 */ + hspi1.Instance = SPI1; + hspi1.Init.Mode = SPI_MODE_MASTER; + hspi1.Init.Direction = SPI_DIRECTION_2LINES; + hspi1.Init.DataSize = SPI_DATASIZE_8BIT; + hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH; + hspi1.Init.CLKPhase = SPI_PHASE_2EDGE; + hspi1.Init.NSS = SPI_NSS_SOFT; + hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; + hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; + hspi1.Init.CRCPolynomial = 7; + hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; + if (HAL_SPI_Init(&hspi1) != HAL_OK) + { + Error_Handler(); + } + /* USER CODE BEGIN SPI1_Init 2 */ + + /* USER CODE END SPI1_Init 2 */ + +} + +void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle) +{ + + GPIO_InitTypeDef GPIO_InitStruct = {0}; + if(spiHandle->Instance==SPI1) + { + /* USER CODE BEGIN SPI1_MspInit 0 */ + + /* USER CODE END SPI1_MspInit 0 */ + /* SPI1 clock enable */ + __HAL_RCC_SPI1_CLK_ENABLE(); + + __HAL_RCC_GPIOA_CLK_ENABLE(); + __HAL_RCC_GPIOB_CLK_ENABLE(); + /** SPI1 GPIO Configuration WL55JC1-ACTIVE + * PA4 SPI1_NSS + * PA5 SPI1_SCK + * PA6 SPI1_MISO + * PA7 SPI1_MOSI + */ + GPIO_InitStruct.Pin = MEMS_SPI_MOSI_Pin; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; + HAL_GPIO_Init(MEMS_SPI_MOSI_GPIO_Port, &GPIO_InitStruct); + + GPIO_InitStruct.Pin = MEMS_SPI_SCK_Pin; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; + HAL_GPIO_Init(MEMS_SPI_SCK_GPIO_Port, &GPIO_InitStruct); +#if 1 + /* SPI1 DMA Init */ + /* SPI1_RX Init */ + hdma_spi1_rx.Instance = DMA1_Channel2; + hdma_spi1_rx.Init.Request = DMA_REQUEST_SPI1_RX; + hdma_spi1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; + hdma_spi1_rx.Init.PeriphInc = DMA_PINC_DISABLE; + hdma_spi1_rx.Init.MemInc = DMA_MINC_ENABLE; + hdma_spi1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; + hdma_spi1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; + hdma_spi1_rx.Init.Mode = DMA_NORMAL; + hdma_spi1_rx.Init.Priority = DMA_PRIORITY_LOW; + if (HAL_DMA_Init(&hdma_spi1_rx) != HAL_OK) + { + Error_Handler(); + } + + if (HAL_DMA_ConfigChannelAttributes(&hdma_spi1_rx, DMA_CHANNEL_NPRIV) != HAL_OK) + { + Error_Handler(); + } + + __HAL_LINKDMA(spiHandle,hdmarx,hdma_spi1_rx); +#endif +#if 1 + /* SPI1_TX Init */ + hdma_spi1_tx.Instance = DMA1_Channel3; + hdma_spi1_tx.Init.Request = DMA_REQUEST_SPI1_TX; + hdma_spi1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; + hdma_spi1_tx.Init.PeriphInc = DMA_PINC_DISABLE; + hdma_spi1_tx.Init.MemInc = DMA_MINC_ENABLE; + hdma_spi1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD; + hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; + hdma_spi1_tx.Init.Mode = DMA_NORMAL; + hdma_spi1_tx.Init.Priority = DMA_PRIORITY_HIGH; + if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK) + { + Error_Handler(); + } +#if 1 + if (HAL_DMA_ConfigChannelAttributes(&hdma_spi1_tx, DMA_CHANNEL_NPRIV) != HAL_OK) + { + Error_Handler(); + } +#endif + __HAL_LINKDMA(spiHandle,hdmatx,hdma_spi1_tx); + + /* SPI1 interrupt Init */ + HAL_NVIC_SetPriority(SPI1_IRQn, 0, 0); + HAL_NVIC_EnableIRQ(SPI1_IRQn); + /* USER CODE BEGIN SPI1_MspInit 1 */ +#endif + /* USER CODE END SPI1_MspInit 1 */ + } +} + +void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle) +{ + + if(spiHandle->Instance==SPI1) + { + /* USER CODE BEGIN SPI1_MspDeInit 0 */ + + /* USER CODE END SPI1_MspDeInit 0 */ + /* Peripheral clock disable */ + __HAL_RCC_SPI1_CLK_DISABLE(); + + /** SPI1 GPIO Configuration WL55JC1-ACTIVE + * PA4 SPI1_NSS + * PA5 SPI1_SCK + * PA6 SPI1_MISO + * PA7 SPI1_MOSI + */ + HAL_GPIO_DeInit(MEMS_SPI_MOSI_GPIO_Port, MEMS_SPI_MOSI_Pin); + + HAL_GPIO_DeInit(MEMS_SPI_SCK_GPIO_Port, MEMS_SPI_SCK_Pin); +#if 1 + /* SPI1 DMA DeInit */ + HAL_DMA_DeInit(spiHandle->hdmarx); + HAL_DMA_DeInit(spiHandle->hdmatx); +#endif + /* SPI1 interrupt Deinit */ + HAL_NVIC_DisableIRQ(SPI1_IRQn); + /* USER CODE BEGIN SPI1_MspDeInit 1 */ + + /* USER CODE END SPI1_MspDeInit 1 */ + } +} + +/* USER CODE BEGIN 1 */ + +/* USER CODE END 1 */