base

DBW_V2/Core/Inc/ts_comms.h

@@ -0,0 +1,108 @@
+/*
+ * ts_comms.h
+ *
+ *  Created on: 22 Oct 2020
+ *      Author: Dmitrijs
+ */
+
+#ifndef TS_COMMS_H_
+#define TS_COMMS_H_
+
+#include <stdint.h>
+
+typedef unsigned char crc_t;
+
+#define TS_CAN_ID 0
+
+#ifndef TS_CAN_ID
+#error Set CAN ID !!! ts_comms.h
+#endif
+
+// Timeouts for comms: in mS
+// Timeout for receive 2 bytes after <cmd>
+#define RECEIVE_INDEX_TIMEOUT			10
+//Timeout for receive 4 bytes of OFFSET and COUNT
+#define RECEIVE_DATA_LOCATION_TIMEOUT	10
+//Time out for receive block of data
+#define RECEIVE_DATA_TIMEOUT			255
+//Timeout for RESET sequence.
+#define RECEIVE_RESET_TIMEOUT			1
+#define RECEIVE_TABLE_TIMEOUT			255
+
+//Define SCI MODES
+#define IDLE							0
+#define TRANSMISSION_IN_PROGRESS		1
+#define RECEIVE_INDEX					1
+#define RECEIVE_DATA_LOCATION			2
+#define RECEIVE_DATA					3
+#define RECEIVE_TABLE_DATA				4
+#define RECEIVE_CANID					5
+#define RECEIVE_RESET_CMD				10
+
+//DEFINE ERROR CODES FOR TS COMMS
+#define DATA_OVERRUN_ERROR						1
+#define FRAME_ERROR								2
+#define PARITY_ERROR							3
+#define UNRECOGNIZED_1_LETTER_CMD				4
+#define REQUEST_TO_TRANSMIT_WHILE_TRANSMITTING	5
+#define RESET_SEQUENCE_FAILED					6
+#define RESET_SEQUENCE_RECEIVED					7
+#define MEMORY_ACCESS_VIOLATION					8
+#define RX_TIMEOUT								9
+#define NOICE_ERROR								10
+
+#define SCI_FLAGS_CRC32					1
+#define SCI_FLAGS_TX_VARIABLES			2
+
+#define READ_DATA_FROM_ADC0			0
+#define READ_DATA_FROM_ADC1			1
+#define READ_DATA_FROM_CONFIG_ADC0	2
+#define READ_DATA_FROM_CONFIG_ADC1	3
+#define READ_DATA_FROM_Z0			4
+#define READ_DATA_FROM_Z1			5
+
+typedef struct {
+
+	unsigned char mode;				//1
+	unsigned char cmd;					//2
+	unsigned char CANid;				//3
+	unsigned char table_index;			//4
+	unsigned short offset;				//5
+	unsigned short data_size;			//7
+	unsigned short cnt;					//9
+	unsigned short bytes_done;			//11
+	unsigned char *address;			//13
+	unsigned char current_table_index;	//15
+	unsigned char error_cnt;			//16
+	unsigned char error_code;			//17
+	unsigned short timeout;				//18
+	unsigned char pause_flag;
+	unsigned char dummy;
+	unsigned long crc32;				//19
+	unsigned char can_bufer[256];
+} comms_status;
+
+void Rx_Char(unsigned char data);			// pass RX byte stream here
+void Poll_Tx(void);			// function returns pointer to buffer and sets count
+							// of bytes to be transmitted
+void TX_Done(void);		// call this function when all data has been transmitted
+void Comms_Init(void);
+
+void Write_Config(void);
+
+extern comms_status RX;
+extern comms_status TX;
+extern unsigned char SCI_flags;
+extern const char Signature[20];
+extern const char Revision[20];
+extern char crc32_bufer[8];
+void Comms_Reset(comms_status *CS);
+void TX_Schedule(unsigned char *data, unsigned short count);
+void Copy_Tx_Vars(void);
+void CRC32(void);
+crc_t calc_crc(crc_t message[], int nBytes);
+uint32_t crc32(void *buf, uint32_t size);
+uint32_t crc32inc(void *buf, uint32_t crc, uint32_t size);
+void TS_Comms_RX_Timeout(void);
+
+#endif /* TS_COMMS_H_ */