原始版本

Libraries/HAL_Drivers/drivers/drv_spi.h

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-11-5      SummerGift   first version
+ */
+
+#ifndef __DRV_SPI_H__
+#define __DRV_SPI_H__
+
+#include <rtthread.h>
+#include "rtdevice.h"
+#include <rthw.h>
+#include <drv_common.h>
+#include "drv_dma.h"
+#include <ipc/completion.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_base_t cs_pin);
+
+#ifdef __cplusplus
+}
+#endif
+
+struct stm32_spi_config
+{
+    SPI_TypeDef *Instance;
+    char *bus_name;
+    IRQn_Type irq_type;
+    struct dma_config *dma_rx, *dma_tx;
+};
+
+struct stm32_spi_device
+{
+    rt_uint32_t pin;
+    char *bus_name;
+    char *device_name;
+};
+
+#define SPI_USING_RX_DMA_FLAG   (1<<0)
+#define SPI_USING_TX_DMA_FLAG   (1<<1)
+
+/* stm32 spi dirver class */
+struct stm32_spi
+{
+    SPI_HandleTypeDef handle;
+    struct stm32_spi_config *config;
+    struct rt_spi_configuration *cfg;
+
+    struct
+    {
+        DMA_HandleTypeDef handle_rx;
+        DMA_HandleTypeDef handle_tx;
+    } dma;
+
+    rt_uint8_t spi_dma_flag;
+    struct rt_spi_bus spi_bus;
+
+    struct rt_completion cpt;
+};
+
+#endif /*__DRV_SPI_H__ */