diff options
Diffstat (limited to 'spi.c')
| -rw-r--r-- | spi.c | 132 |
1 files changed, 132 insertions, 0 deletions
@@ -0,0 +1,132 @@ +/**
+ ******************************************************************************
+ * File Name : SPI.c
+ * Description : This file provides code for the configuration
+ * of the SPI instances.
+ ******************************************************************************
+ *
+ * COPYRIGHT(c) 2016 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 ------------------------------------------------------------------*/
+#include "spi.h"
+
+#include "gpio.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+SPI_HandleTypeDef hspi2;
+
+/* SPI2 init function */
+void MX_SPI2_Init(void)
+{
+
+ hspi2.Instance = SPI2;
+ hspi2.Init.Mode = SPI_MODE_MASTER;
+ hspi2.Init.Direction = SPI_DIRECTION_2LINES;
+ hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
+ hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
+ hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
+ hspi2.Init.NSS = SPI_NSS_SOFT;
+ hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
+ hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
+ hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
+ hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
+ hspi2.Init.CRCPolynomial = 10;
+ HAL_SPI_Init(&hspi2);
+
+}
+
+void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
+{
+
+ GPIO_InitTypeDef GPIO_InitStruct;
+ if(hspi->Instance==SPI2)
+ {
+ /* USER CODE BEGIN SPI2_MspInit 0 */
+
+ /* USER CODE END SPI2_MspInit 0 */
+ /* Peripheral clock enable */
+ __HAL_RCC_SPI2_CLK_ENABLE();
+
+ /**SPI2 GPIO Configuration
+ PB13 ------> SPI2_SCK
+ PB14 ------> SPI2_MISO
+ PB15 ------> SPI2_MOSI
+ */
+ GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
+ 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_SPI2;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+ /* USER CODE BEGIN SPI2_MspInit 1 */
+
+ /* USER CODE END SPI2_MspInit 1 */
+ }
+}
+
+void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
+{
+
+ if(hspi->Instance==SPI2)
+ {
+ /* USER CODE BEGIN SPI2_MspDeInit 0 */
+
+ /* USER CODE END SPI2_MspDeInit 0 */
+ /* Peripheral clock disable */
+ __HAL_RCC_SPI2_CLK_DISABLE();
+
+ /**SPI2 GPIO Configuration
+ PB13 ------> SPI2_SCK
+ PB14 ------> SPI2_MISO
+ PB15 ------> SPI2_MOSI
+ */
+ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15);
+
+ }
+ /* USER CODE BEGIN SPI2_MspDeInit 1 */
+
+ /* USER CODE END SPI2_MspDeInit 1 */
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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