init project

Signed-off-by: a1012112796 <1012112796@qq.com>

libraries/HAL_Drivers/drv_can.h

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-08-05     Xeon Xu      the first version
+ * 2019-01-22     YLZ          port from stm324xx-HAL to bsp stm3210x-HAL
+ * 2019-01-26     YLZ          redefine `struct stm32_drv_can` add member `Rx1Message`
+ * 2019-02-19     YLZ          port to BSP [stm32]
+ * 2019-06-17     YLZ          modify struct stm32_drv_can.
+ */
+
+#ifndef __DRV_CAN_H__
+#define __DRV_CAN_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <board.h>
+#include <rtdevice.h>
+#include <rtthread.h>
+
+#define BS1SHIFT        16
+#define BS2SHIFT        20
+#define RRESCLSHIFT     0
+#define SJWSHIFT        24
+#define BS1MASK         ((0x0F) << BS1SHIFT )
+#define BS2MASK         ((0x07) << BS2SHIFT )
+#define RRESCLMASK      (0x3FF << RRESCLSHIFT )
+#define SJWMASK         (0x3 << SJWSHIFT )
+
+struct stm32_baud_rate_tab
+{
+    rt_uint32_t baud_rate;
+    rt_uint32_t config_data;
+};
+#define BAUD_DATA(TYPE,NO)       ((can_baud_rate_tab[NO].config_data & TYPE##MASK))
+
+/* stm32 can device */
+struct stm32_can
+{
+    char *name;
+    CAN_HandleTypeDef CanHandle;
+    CAN_FilterTypeDef FilterConfig;
+    struct rt_can_device device;     /* inherit from can device */
+};
+
+int rt_hw_can_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__DRV_CAN_H__ */
+
+/************************** end of file ******************/