/*
 * heater3.h
 *
 * Created: 25.06.2019 12:29:07
 *  Author: naa
 */ 

#ifndef HEATER3_H_
#define HEATER3_H_

#include <avr/io.h>
#include <avr/interrupt.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <string.h>

#define TX_LENGTH	16
#define TWI_FREQ	500000

#define BAUD_RATE	38400
#define U2X0_SET		1

#define ADC_MEAS1	0
#define ADC_MEAS2	1
#define ADC_CUR1	2
#define ADC_CUR2	3

#define LEDPORT		PORTC
#define LED1		PORTC2
#define LED2		PORTC3

#define GATEPORT	PORTC
#define GATE1		PORTC6
#define GATE2		PORTC7

#define V12POWER	PORTC4

#define OCP1		PORTD2
#define OCP2		PORTD3

#define BTNPIN		PIND
#define BTN1		PORTD4
#define BTN2		PORTD5
#define BTN3		PORTD6
#define BTN4		PORTD7

#define CH0			0
#define CH1			1

#define MAXADDR		0x06

#define START_BYTE	0x55

#define CURR_MAX	2500

#define DISP_OFF	0
#define DISP_MAIN	1
#define DISP_DBG	2
#define DISP_VER	3

typedef union {
	uint8_t		byte[4];
	uint16_t	word[2];
	uint32_t	dword;
} btw32_t;

typedef union {
	uint8_t		byte[2];
	uint16_t	word;
} btw16_t;

typedef enum { CIRC_OPEN, CIRC_SHORT, CIRC_MOSFET, CIRC_RES_DIODE, CIRC_RES, CIRC_DIODE } circ_t;

typedef struct  {
	uint8_t	channel	: 1;
	uint8_t	onoff	: 1;
	uint8_t heating	: 1;
	uint8_t	ocp		: 1;
	uint8_t calib	: 2;
	circ_t	circuit	: 3;
	uint8_t couple	: 3;
} status_str;

typedef struct {
	volatile status_str		status;
	uint8_t			preset;
	int8_t			tintr;
	int16_t			tcouple;
	int16_t			tmeas;
	uint16_t		tmeas_raw;
	uint16_t		tset;
	uint16_t		tset_raw;
	uint16_t		current;
	uint8_t			gain;
	uint8_t			shift;
	uint8_t			drive;
} heater_str;

typedef enum { CMD_RESET, CMD_REQ, CMD_CHONOFF, CMD_SETTEMP, CMD_SETRANGE, CMD_SETVDRIVE, CMD_SWPRESET, CMD_LOADDATA, CMD_HEATING, CMD_CALIBRATION  } cmd_t;
typedef	enum { REQ_RST, REQ_ACK, REQ_NACK, REQ_MAINDATA, REQ_DEBUGDATA, REQ_PRESETTABLE, REQ_PRESETDATA } txreq_t;

typedef enum { CAL_OFF, CAL_AUTO, CAL_MANUAL } cal_t;

typedef struct {
	char			start;
	uint8_t			len;
	cmd_t			command;
	uint8_t			data[160];
	uint8_t			checksum;
} comdata_str;

typedef struct {
	uint8_t			set;
	uint8_t			blink_cnt;
	uint8_t			pressed;
} menu_str;

typedef struct {
	uint16_t temp;
	uint16_t adcdata;
} record_str;

typedef struct {
	uint8_t		number;
	char		header[12];
	uint8_t		gain;
	uint8_t		shift;
	uint8_t		drive;
	record_str	curve[16];
} preset_str;

typedef struct {
	uint16_t		oc			: 1;
	uint16_t		scg			: 1;
	uint16_t		scv			: 1;
	uint16_t					: 1;
	uint16_t		intt_frac	: 4;
	uint16_t		intt_int	: 8;
	uint16_t		fault		: 1;
	uint16_t					: 1;
	uint16_t		tct_frac	: 2;
	uint16_t		tct_int		: 12;
} max31855_t;

typedef struct {
	uint8_t pressed		: 1;
	uint8_t released	: 1;
	uint8_t holded		: 1;
	uint8_t holdcnt		: 5;
	uint8_t code		: 4;
	uint8_t prev_code	: 4;
} btn_t;

int lcd_putchar(char c, FILE *stream);
int uart_putchar(char c, FILE *stream);
void ProcessCommand();

#endif /* HEATER3_H_ */