| /** | |
| ****************************************************************************** | |
| * File Name : SPI.c | |
| * Date : 28/01/2015 07:01:44 | |
| * Description : This file provides code for the configuration | |
| * of the SPI instances. | |
| ****************************************************************************** | |
| * | |
| * COPYRIGHT(c) 2015 STMicroelectronics | |
| * | |
| * Redistribution and use in source and binary forms, with or without modification, | |
| * are permitted provided that the following conditions are met: | |
| * 1. Redistributions of source code must retain the above copyright notice, | |
| * this list of conditions and the following disclaimer. | |
| * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| * this list of conditions and the following disclaimer in the documentation | |
| * and/or other materials provided with the distribution. | |
| * 3. Neither the name of STMicroelectronics nor the names of its contributors | |
| * may be used to endorse or promote products derived from this software | |
| * without specific prior written permission. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| * | |
| ****************************************************************************** | |
| */ | |
| /* Includes ------------------------------------------------------------------*/ | |
| /* USER CODE BEGIN 0 */ | |
| /* USER CODE END 0 */ | |
| SPI_HandleTypeDef hspi1; | |
| 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_4; | |
| hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; | |
| hspi1.Init.TIMode = SPI_TIMODE_DISABLED; | |
| hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED; | |
| hspi1.Init.NSSPMode = SPI_NSS_PULSE_DISABLED; | |
| HAL_SPI_Init(&hspi1); | |
| } | |
| void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi) | |
| { | |
| GPIO_InitTypeDef GPIO_InitStruct; | |
| if(hspi->Instance==SPI1) | |
| { | |
| /* USER CODE BEGIN SPI1_MspInit 0 */ | |
| /* USER CODE END SPI1_MspInit 0 */ | |
| /* Peripheral clock enable */ | |
| __SPI1_CLK_ENABLE(); | |
| /**SPI1 GPIO Configuration | |
| PA6 ------> SPI1_MISO | |
| PA7 ------> SPI1_MOSI | |
| PB3 ------> SPI1_SCK | |
| */ | |
| GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7; | |
| GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; | |
| GPIO_InitStruct.Pull = GPIO_NOPULL; | |
| GPIO_InitStruct.Speed = GPIO_SPEED_LOW; | |
| GPIO_InitStruct.Alternate = GPIO_AF0_SPI1; | |
| HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); | |
| GPIO_InitStruct.Pin = GPIO_PIN_3; | |
| GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; | |
| GPIO_InitStruct.Pull = GPIO_NOPULL; | |
| GPIO_InitStruct.Speed = GPIO_SPEED_LOW; | |
| GPIO_InitStruct.Alternate = GPIO_AF0_SPI1; | |
| HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); | |
| /* Peripheral DMA init*/ | |
| hdma_spi1_tx.Instance = DMA1_Channel3; | |
| hdma_spi1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; | |
| hdma_spi1_tx.Init.PeriphInc = DMA_PINC_DISABLE; | |
| hdma_spi1_tx.Init.MemInc = DMA_MINC_DISABLE; | |
| 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_LOW; | |
| HAL_DMA_Init(&hdma_spi1_tx); | |
| __HAL_LINKDMA(hspi,hdmatx,hdma_spi1_tx); | |
| /* USER CODE BEGIN SPI1_MspInit 1 */ | |
| /* USER CODE END SPI1_MspInit 1 */ | |
| } | |
| } | |
| void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi) | |
| { | |
| if(hspi->Instance==SPI1) | |
| { | |
| /* USER CODE BEGIN SPI1_MspDeInit 0 */ | |
| /* USER CODE END SPI1_MspDeInit 0 */ | |
| /* Peripheral clock disable */ | |
| __SPI1_CLK_DISABLE(); | |
| /**SPI1 GPIO Configuration | |
| PA6 ------> SPI1_MISO | |
| PA7 ------> SPI1_MOSI | |
| PB3 ------> SPI1_SCK | |
| */ | |
| HAL_GPIO_DeInit(GPIOA, GPIO_PIN_6|GPIO_PIN_7); | |
| HAL_GPIO_DeInit(GPIOB, GPIO_PIN_3); | |
| /* Peripheral DMA DeInit*/ | |
| HAL_DMA_DeInit(hspi->hdmatx); | |
| /* 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****/ | |