adc
Diff: spi.cpp
- Revision:
- 3:1d62b3be52e8
diff -r f480200c8600 -r 1d62b3be52e8 spi.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/spi.cpp Wed Oct 28 15:35:08 2020 +0000 @@ -0,0 +1,188 @@ +void Error_Handler(){}; +/** + ****************************************************************************** + * File Name : SPI.c + * Description : This file provides code for the configuration + * of the SPI instances. + ****************************************************************************** + * @attention + * + * <h2><center>© Copyright (c) 2020 STMicroelectronics. + * All rights reserved.</center></h2> + * + * This software component is licensed by ST under Ultimate Liberty license + * SLA0044, the "License"; You may not use this file except in compliance with + * the License. You may obtain a copy of the License at: + * www.st.com/SLA0044 + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#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_SPI1_Init(void) +{ + + 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_128; + hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; + hspi1.Init.TIMode = SPI_TIMODE_DISABLE; + hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; + hspi1.Init.CRCPolynomial = 0x0; + hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; + hspi1.Init.NSSPolarity = SPI_NSS_POLARITY_LOW; + hspi1.Init.FifoThreshold = SPI_FIFO_THRESHOLD_01DATA; + hspi1.Init.TxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN; + hspi1.Init.RxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN; + hspi1.Init.MasterSSIdleness = SPI_MASTER_SS_IDLENESS_00CYCLE; + hspi1.Init.MasterInterDataIdleness = SPI_MASTER_INTERDATA_IDLENESS_00CYCLE; + hspi1.Init.MasterReceiverAutoSusp = SPI_MASTER_RX_AUTOSUSP_DISABLE; + hspi1.Init.MasterKeepIOState = SPI_MASTER_KEEP_IO_STATE_DISABLE; + hspi1.Init.IOSwap = SPI_IO_SWAP_DISABLE; + if (HAL_SPI_Init(&hspi1) != HAL_OK) + { + Error_Handler(); + } + +} + +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 + PA5 ------> SPI1_SCK + PA6 ------> SPI1_MISO + PB5 ------> SPI1_MOSI + */ + GPIO_InitStruct.Pin = GPIO_PIN_5; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + GPIO_InitStruct.Pin = GPIO_PIN_6; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + GPIO_InitStruct.Pin = GPIO_PIN_5; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; + HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); + + /* SPI1 DMA Init */ + /* SPI1_RX Init */ + hdma_spi1_rx.Instance = DMA1_Stream0; + 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_HIGH; + hdma_spi1_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; + if (HAL_DMA_Init(&hdma_spi1_rx) != HAL_OK) + { + Error_Handler(); + } + + __HAL_LINKDMA(spiHandle,hdmarx,hdma_spi1_rx); + + /* SPI1_TX Init */ + hdma_spi1_tx.Instance = DMA1_Stream1; + 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_BYTE; + hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; + hdma_spi1_tx.Init.Mode = DMA_NORMAL; + hdma_spi1_tx.Init.Priority = DMA_PRIORITY_HIGH; + hdma_spi1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; + if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK) + { + Error_Handler(); + } + + __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 */ + + /* 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 + PA5 ------> SPI1_SCK + PA6 ------> SPI1_MISO + PB5 ------> SPI1_MOSI + */ + HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6); + + HAL_GPIO_DeInit(GPIOB, GPIO_PIN_5); + + /* SPI1 DMA DeInit */ + HAL_DMA_DeInit(spiHandle->hdmarx); + HAL_DMA_DeInit(spiHandle->hdmatx); + + /* 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 */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ +