#pragma once

#include <can/can.h>
#include <sys/mutex.h>
#include <util/list.h>

#include <stdint.h>

/** Constants... **/
#define J_LONG		11
#define J_FLOAT		12

typedef struct jetterSlave
{
	uint16_t refID;
	uint8_t	modcode;
	
} JSlave;


typedef struct jetterParm
{
	uint8_t		slave;
	uint16_t	parm;
	uint8_t		flags;
	
	uint32_t	lastReadValue;
} JParm;

typedef struct jetcan_state
{
	uint8_t		initialized:1;
	
	MUTEX		mutex;
} JState;

struct jetcan_request
{
	list_t	list;
	
	uint8_t		read:1;
	uint8_t		write:1;
	uint8_t		typint:1;
	uint8_t		typfloat:1;
	
	uint8_t		slave;
	uint16_t	register_no;
	
	uint8_t		retry;
	
	union {
		int32_t	i32;
		float	f32;
	};
};

struct jetcan_status
{	
	list_t	requests;
};

struct _jetcan {
	MUTEX		lock;
	uint8_t		nSlaves;
	JSlave		slaves[4];
};

extern struct _jetcan jetcan;


extern int32_t	_dbg_jetcan_requests,
				_dbg_jetcan_misses,
				_dbg_jetcan_timeouts,
				_dbg_jetcan_rtt,
				_dbg_jetcan_rtt_min,
				_dbg_jetcan_rtt_max;


/* jSetCModeCallback()
	Callback um die CMODE0 und CMODE1 Leitungen zu setzen (Bits 0 + 1 von cmode)
*/
typedef void (*jSetCModeCallback)(uint8_t cmode);

/* jSetRegister32Ex	- Write Register Value to Slave (via CAN) with Result */
int	jSetRegister32Ex(uint8_t slave,uint16_t parm,void *pValue,uint8_t type);
int	jSetRegister32Exl(uint8_t slave,uint16_t parm,int32_t value);
int	jSetRegister32Exd(uint8_t slave,uint16_t parm,float value);

/* jReadRegister32Ex	- Read Register Value to Slave (via CAN) with Result */
int	jReadRegister32Ex(uint8_t slave,uint16_t parm,void *pValue,uint8_t* type);
int	jReadRegister32Exl(uint8_t slave,uint16_t parm,int32_t *value);
int	jReadRegister32Exd(uint8_t slave,uint16_t parm,float *value);


/* Bit Manipulationen */
void	jSetRegisterBit(uint8_t slave,uint16_t parm,uint8_t bit);
void	jClearRegisterBit(uint8_t slave,uint16_t parm,uint8_t bit);
int jReadRegisterBit(uint8_t slave,uint16_t parm,uint8_t bit);

/* JM2XX Command */
int	jCommand(uint8_t slave,uint32_t command);

/** Initialization **/
int		jcan_setup_bus(jSetCModeCallback cmodecallback);
int		jcan_num_slaves(void);
JSlave*	jcan_slave(uint8_t num);

int	jcan_lock(void);
int	jcan_unlock(void);