#ifndef __CAN_DEVIND_H__
#define __CAN_DEVIND_H__

#include <stdint.h>
#include <stdio.h>

//exclusively device-independent, portable (shared for PC and MCU) functions are here 


typedef struct 
	{
	union {
		uint8_t byte[8];
		uint16_t shorts[4];
		uint32_t reg[2];
		uint64_t word;
		}
		data;
	uint16_t id;
	uint8_t length;
	}
CAN_MESSAGE;

typedef struct {
	char *groupname;
	char *signame;
	char *unit;
	union {
		uint8_t uint8[4];
		uint16_t uint16[2];
		uint32_t uint32;
		int8_t int8[4];
		int16_t int16[2];
		int32_t int32;
		float floatval;
	} value;
	uint16_t group;
	int16_t pid;
	int8_t item;
	int8_t type;
} CAN_VALUE;

#define MAXSIG 32
#define SIGNAME_LEN 32
#define UNIT_NAME_LEN 8


#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif

extern void print_can_message(CAN_MESSAGE *m, FILE *out, uint8_t ond2only);
extern void decode_and_output_can_message(CAN_MESSAGE *m, FILE *out);
extern void output_can_values(CAN_VALUE *val, int8_t n, FILE *out);
extern void output_can_value(CAN_VALUE *val, FILE *out);
extern void sprintf_can_value(CAN_VALUE *v,  char *line);
extern void sprintf_can_name_value(CAN_VALUE *v,  char *line);
extern int8_t decode_can_message(CAN_MESSAGE *m, CAN_VALUE *v);
extern char *dtc2text(uint8_t *code, char *dtc);

extern void create_OBD2_query(uint8_t service, uint16_t pid, CAN_MESSAGE *m);
extern uint8_t parse_OBD2_reply(const CAN_MESSAGE *m, uint16_t *address, uint8_t *service, uint16_t *pid, uint8_t *abcd);
extern int8_t S1pid_is_unsupported(CAN_VALUE *v, uint8_t pid);



#if defined(__cplusplus) || defined(c_plusplus)
}
#endif


#endif