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+/**
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+ ******************************************************************************
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+ * File Name : SPI.c
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+ * Description : This file provides code for the configuration
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+ * of the SPI instances.
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+ ******************************************************************************
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+ *
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+ * COPYRIGHT(c) 2019 STMicroelectronics
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+ *
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+ * Redistribution and use in source and binary forms, with or without modification,
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+ * are permitted provided that the following conditions are met:
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+ * 1. Redistributions of source code must retain the above copyright notice,
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+ * this list of conditions and the following disclaimer.
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+ * 2. Redistributions in binary form must reproduce the above copyright notice,
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+ * this list of conditions and the following disclaimer in the documentation
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+ * and/or other materials provided with the distribution.
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+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
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+ * may be used to endorse or promote products derived from this software
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+ * without specific prior written permission.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+ *
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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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+
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+#include "gpio.h"
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+
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+/* USER CODE BEGIN 0 */
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+
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+/* USER CODE END 0 */
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+
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+SPI_HandleTypeDef hspi1;
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+
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+/* SPI1 init function */
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+void MX_SPI1_Init(void)
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+{
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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_HIGH;
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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_4;
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+ hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
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+ hspi1.Init.TIMode = SPI_TIMODE_DISABLED;
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+ hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;
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+ hspi1.Init.CRCPolynomial = 10;
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+ HAL_SPI_Init(&hspi1);
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+
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+}
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+
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+void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
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+{
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+
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+ GPIO_InitTypeDef GPIO_InitStruct;
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+ if(hspi->Instance==SPI1)
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+ {
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+ /* USER CODE BEGIN SPI1_MspInit 0 */
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+
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+ /* USER CODE END SPI1_MspInit 0 */
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+ /* Peripheral clock enable */
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+ __SPI1_CLK_ENABLE();
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+
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+ /**SPI1 GPIO Configuration
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+ PA6 ------> SPI1_MISO
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+ PA7 ------> SPI1_MOSI
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+ PB3 ------> SPI1_SCK
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+ */
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+ GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
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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_HIGH;
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+ GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
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+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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+
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+ GPIO_InitStruct.Pin = GPIO_PIN_3;
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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_HIGH;
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+ GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
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+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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+
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+ /* USER CODE BEGIN SPI1_MspInit 1 */
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+
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+ /* USER CODE END SPI1_MspInit 1 */
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+ }
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+}
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+
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+void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
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+{
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+
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+ if(hspi->Instance==SPI1)
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+ {
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+ /* USER CODE BEGIN SPI1_MspDeInit 0 */
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+
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+ /* USER CODE END SPI1_MspDeInit 0 */
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+ /* Peripheral clock disable */
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+ __SPI1_CLK_DISABLE();
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+
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+ /**SPI1 GPIO Configuration
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+ PA6 ------> SPI1_MISO
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+ PA7 ------> SPI1_MOSI
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+ PB3 ------> SPI1_SCK
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+ */
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+ HAL_GPIO_DeInit(GPIOA, GPIO_PIN_6|GPIO_PIN_7);
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+
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+ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_3);
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+
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+ }
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+ /* USER CODE BEGIN SPI1_MspDeInit 1 */
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+
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+ /* USER CODE END SPI1_MspDeInit 1 */
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+}
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+
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+/* USER CODE BEGIN 1 */
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+
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+/* USER CODE END 1 */
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+
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+/**
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+ * @}
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+ */
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+
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+/**
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+ * @}
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+ */
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+
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+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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Michael McMaster