From 297a16d8fecdc5f6ebb3dd2032144cceb3040e02 Mon Sep 17 00:00:00 2001
From: YunHorn Technology <dp.s@yunhorn.com>
Date: Fri, 8 Dec 2023 16:10:31 +0800
Subject: [PATCH] add spi support
---
Core/Inc/spi.h | 52 ++++++++++++++
Core/Src/spi.c | 191 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 243 insertions(+)
create mode 100644 Core/Inc/spi.h
create mode 100644 Core/Src/spi.c
diff --git a/Core/Inc/spi.h b/Core/Inc/spi.h
new file mode 100644
index 0000000..4eb8d56
--- /dev/null
+++ b/Core/Inc/spi.h
@@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file spi.h
+ * @brief This file contains all the function prototypes for
+ * the spi.c file
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2022 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __SPI_H__
+#define __SPI_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern SPI_HandleTypeDef hspi1;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_SPI_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SPI_H__ */
+
diff --git a/Core/Src/spi.c b/Core/Src/spi.c
new file mode 100644
index 0000000..8c5ccab
--- /dev/null
+++ b/Core/Src/spi.c
@@ -0,0 +1,191 @@
+/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file spi.c
+ * @brief This file provides code for the configuration
+ * of the SPI instances.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2022 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+#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_SPI_Init(void)
+{
+
+ /* USER CODE BEGIN SPI1_Init 0 */
+ __HAL_RCC_SPI1_CLK_ENABLE();
+
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+ __HAL_RCC_GPIOB_CLK_ENABLE();
+ /* USER CODE END SPI1_Init 0 */
+
+ /* USER CODE BEGIN SPI1_Init 1 */
+
+ /* USER CODE END SPI1_Init 1 */
+ 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_2;
+ hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
+ hspi1.Init.CRCPolynomial = 7;
+ hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
+ if (HAL_SPI_Init(&hspi1) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /* USER CODE BEGIN SPI1_Init 2 */
+
+ /* USER CODE END SPI1_Init 2 */
+
+}
+
+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 WL55JC1-ACTIVE
+ * PA4 SPI1_NSS
+ * PA5 SPI1_SCK
+ * PA6 SPI1_MISO
+ * PA7 SPI1_MOSI
+ */
+ GPIO_InitStruct.Pin = MEMS_SPI_MOSI_Pin;
+ 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_SPI1;
+ HAL_GPIO_Init(MEMS_SPI_MOSI_GPIO_Port, &GPIO_InitStruct);
+
+ GPIO_InitStruct.Pin = MEMS_SPI_SCK_Pin;
+ 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_SPI1;
+ HAL_GPIO_Init(MEMS_SPI_SCK_GPIO_Port, &GPIO_InitStruct);
+#if 1
+ /* SPI1 DMA Init */
+ /* SPI1_RX Init */
+ hdma_spi1_rx.Instance = DMA1_Channel2;
+ 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_LOW;
+ if (HAL_DMA_Init(&hdma_spi1_rx) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+ if (HAL_DMA_ConfigChannelAttributes(&hdma_spi1_rx, DMA_CHANNEL_NPRIV) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+ __HAL_LINKDMA(spiHandle,hdmarx,hdma_spi1_rx);
+#endif
+#if 1
+ /* SPI1_TX Init */
+ hdma_spi1_tx.Instance = DMA1_Channel3;
+ 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_HALFWORD;
+ hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
+ hdma_spi1_tx.Init.Mode = DMA_NORMAL;
+ hdma_spi1_tx.Init.Priority = DMA_PRIORITY_HIGH;
+ if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK)
+ {
+ Error_Handler();
+ }
+#if 1
+ if (HAL_DMA_ConfigChannelAttributes(&hdma_spi1_tx, DMA_CHANNEL_NPRIV) != HAL_OK)
+ {
+ Error_Handler();
+ }
+#endif
+ __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 */
+#endif
+ /* 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 WL55JC1-ACTIVE
+ * PA4 SPI1_NSS
+ * PA5 SPI1_SCK
+ * PA6 SPI1_MISO
+ * PA7 SPI1_MOSI
+ */
+ HAL_GPIO_DeInit(MEMS_SPI_MOSI_GPIO_Port, MEMS_SPI_MOSI_Pin);
+
+ HAL_GPIO_DeInit(MEMS_SPI_SCK_GPIO_Port, MEMS_SPI_SCK_Pin);
+#if 1
+ /* SPI1 DMA DeInit */
+ HAL_DMA_DeInit(spiHandle->hdmarx);
+ HAL_DMA_DeInit(spiHandle->hdmatx);
+#endif
+ /* 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 */