base

DBW_V2/Core/Inc/can.h

@@ -0,0 +1,73 @@
+/*
+ * CAN.h
+
+ *
+ *  Created on: Dec 04, 2018
+ *      Author: v0stap
+ */
+
+#ifndef _CAN_H_
+#define _CAN_H_
+
+#define		CAN_ID_STD		0x00000000U
+#define		CAN_ID_EXT		0x00000004U
+#define 	CAN_RTR_DATA	0x00000000U
+#define		CAN_RTR_REMOTE	0x00000002U
+
+#define STD_FORMAT		0
+#define EXTD_FORMAT		1
+
+#define DATA_FRAME       0
+#define REMOTE_FRAME     1
+
+#define		CAN_250KBS		0x031c000b
+#define 	CAN_500KBS		0x031c0005
+#define 	CAN_1000KBS		0x031c0002
+
+typedef struct {
+	uint32_t id;               // 29 bit identifier
+	uint8_t data[8];            // Data field
+	uint8_t lenght;                // Length of data field in bytes
+	uint8_t format;             // 0 - STANDART, 1- EXTENDED
+	uint8_t frame;              // 0 - DATA FRAME, 1 - REMOTE FRAME
+} can_msg_typedef;
+typedef struct {
+	can_msg_typedef data[16];
+	uint8_t todo;
+	uint8_t corent;
+	uint8_t done;
+} can_buffer_typedef;
+
+typedef struct {
+	CAN_TypeDef *can_port;
+	uint8_t mode;
+	uint32_t speed;
+	uint8_t filter;
+	uint8_t rx_pin;
+	uint8_t tx_pin;
+	GPIO_TypeDef *port;
+	uint8_t tx_ready;
+	uint8_t rx_ready;
+} can_config_typedef;
+
+void CAN_Init(void);
+void CAN_Setup(uint32_t speed);
+void CAN_Start(void);
+void CAN_Wait_Ready(void);
+void CAN_Send_Msg(can_msg_typedef *msg);
+void CAN_Recive_Msg(can_msg_typedef *msg);
+void CAN_Write_Filter(uint32_t id, uint8_t format);
+void CAN_Send_TX_Buffer(void);
+void CAN_Add_TX_Buffer(can_msg_typedef *data);
+void CAN_Add_RX_Buffer(void);
+void CAN_Read_RX_Buffer(can_msg_typedef *data);
+
+extern can_msg_typedef CAN_TX_Msg;		// CAN message for transmit
+extern can_msg_typedef CAN_RX_Msg;		// CAN received message
+extern uint8_t CAN_TX_Rdy;		// CAN hardware ready to transmit a message
+extern uint8_t CAN_RX_Rdy;		// CAN hardware received a message
+extern uint32_t CAN_Speed;		// CAN Speed / CAN BTR register
+extern can_buffer_typedef CAN_TX_Buffer;
+extern can_buffer_typedef CAN_RX_Buffer;
+#endif // _CAN_H_
+