CoffeePi/CoffeeCode/coffee.h

/*
 * coffee.h
 *
 *  Created on: Sep 25, 2017
 *      Author: Sebastian
 */

#ifndef COFFEE_H_
#define COFFEE_H_

#include <csignal>
#include "events.h"

//define status
typedef enum {
	STATE_OFF,
	STATE_HEATING,
	STATE_INITALHEATING,
	STATE_IDLE,
	STATE_BREW,
	STATE_BREWMANUAL,
	STATE_CLEANING,
	STATE_ERROR,
	STATE_WAIT_OFF,
	STATE_FULLTANK,
	STATE_NULL
} coffee_status_t;

typedef enum {
	MODE_STATE,
	MODE_MENU,
	MODE_NULL
} coffee_mode_t;

typedef enum {
	PAGE_SOFTOFF,
	PAGE_KILL,
	PAGE_STATS,
	PAGE_STATS2,
	PAGE_DESCALING,
	PAGE_TEMP,
	PAGE_CLEAN,
	PAGE_RESTART,
	PAGE_EXIT,
	PAGE_NULL
} coffee_menuPage_t;

extern const char* StateName[];
extern const char* PageName[];

#define AMOUNT_PREINFUSION	24 		//Preinfusion amount in ml
#define TIME_SOAK			5000 	//Time between preinfusion and infusion in ms
#define TIME_INFUSION 		25000	//Infusion time in ms
#define TIME_PREINFUSION	2500
#define AMOUNT_DBLESPRESSO	59.0	//Size of a double espresso in ml
#define DIRTY_ESPRESSO		35		//Number of espressi until the next cleaning
#define DIRTY_TIME			90		//Number of days until the next cleaning
#define MENUTIMEOUT			30		//timeout of the menu when no input is received from the user (in seconds)
#define CLEANING_CYCLES		20		//Number of On-Off cycles during the cleaning phase
void *coffeeThread(void *threadid);

void coffeeHandler(int signum, siginfo_t *siginfo, void *context);
bool SigValueEmpty(void);
void changeState(coffee_status_t newState);
void changeMode(coffee_mode_t newMode);
void changePage(coffee_menuPage_t newPage);
void leaveMenu(void);
void enterMenu(void);
coffee_status_t getState(void);
uint16_t getLastBrewTime(void);
int getSigValue(coffee_mode_t mode);
uint16_t getCurrentCleanCycle(void);
uint16_t getBrewCounter(void);
uint64_t getTotalHeatingTime(void);
uint16_t getDescBrewCounter (void);
time_t * getDescTimestamp (void);
void brewTimeHandler(void);
void menuTimeHandler(void);
void writeBackCache(void);
void coffeeTerminate(event_t *event);
void coffeeNap (uint64_t sec, uint64_t nanosec);
void coffeeBrew(void);
void coffeeClean(void);
void stopBrewing(void);
void coffeeIncreaseBrewCounter(void);
void coffeeIncreaseHeatingTime(uint64_t heatingTime);
void checkDescaling(void);
int16_t checkDirtyEspresso (void);
int16_t checkDirtyTime (void);
void updateDescaling(void);

#endif /* COFFEE_H_ */