Yuliya Smirnova
adc
Diff: spi.cpp
- Revision:
- 3:1d62b3be52e8
--- /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****/
+