CoffeePi/CoffeeCode/coffee.h

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

#ifndef COFFEE_H_
#define COFFEE_H_

#include <csignal>
#include "events.h"
#include <stdint.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
	//Entering new States? Don't forget to update statenames in coffee.cpp!
} 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_SETTINGS,
	PAGE_RESETKWH,
	PAGE_RESETKWH_VAL,
	PAGE_CHANGEPREINF,
	PAGE_CHANGEPREINF_VAL,
	PAGE_CHANGEBREWTIME,
	PAGE_CHANGEBREWTIME_VAL,
	PAGE_CHANGEBREWML,
	PAGE_CHANGEBREWML_VAL,
	PAGE_CHANGESOAKTIME,
	PAGE_CHANGESOAKTIME_VAL,
	PAGE_CHANGEAUTORESET,
	PAGE_CHANGEAUTORESET_VAL,
	PAGE_LEAVESETTINGS,
	PAGE_EXIT,
	PAGE_NULL
	//Entering new PAGES? Don't forget to update pagenames in coffee.cpp!
} coffee_menuPage_t;

struct coffeeConfig{
	uint16_t amount_preinfusion;
	uint16_t time_soak;
	uint16_t time_infusion;
	uint16_t amount_dblespresso;
};

#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		//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

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

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 getBrewTime(void);
uint16_t getLastBrewTime(void);
int getSigValue(coffee_mode_t mode);
uint16_t getCurrentCleanCycle(void);
uint16_t getBrewCounter(void);
uint16_t getDescBrewCounter (void);
time_t * getDescTimestamp (void);
void brewTimerHandler(void);
void menuTimerHandler(void);
void writeBackCache(void);
void coffeeTerminate(event_t *event);
void coffeeNap (uint64_t sec, uint64_t nanosec);
void coffeeManualBrewStart (void);
void coffeeManualBrewStop (void);
void coffeeBrew(void);
void coffeeClean(void);
void stopBrewing(void);
void coffeeIncreaseBrewCounter(void);
void checkDescaling(void);
int16_t checkDirtyEspresso (void);
int16_t checkDirtyTime (void);
void updateDescaling(void);

#endif /* COFFEE_H_ */