display.cpp File Reference

#include <stdlib.h>
#include <pthread.h>
#include <time.h>
#include <unistd.h>
#include <string.h>
#include "global.h"
#include "display.h"
#include "logger.h"
#include "database.h"
#include "timer.h"
#include "lcd.h"
#include "coffee.h"
#include "hal.h"

Functions
void	displayPrintTime (int line)
	Prints out the current time in a centered position. More...
void	displayPrintFlow (int line)
	Prints out the total volume flow. More...
void	displayPrintLn (int line, const char *str, bool centered)
	Prints a string to a specific line, optionally centered. More...
void *	displayThread (void *threadid)
	Main thread to handle display data. More...
void *	displayTimerHandler (void *threadid)
	Timer handler for display update. More...
void	displayInit (void)
	Initializes display. More...
void	displayTerminate (void)
	Handles cleanup before program termination. More...
void	displaySetLang (display_lang_t lang)
	Sets the language of the display text. More...
void	displayRefresh (void)
	Refreshed the display content and outputs it. More...
const char *	displayGetString (display_strings_t string)
	Returns the matching translation of a string. More...
void	displayPushState (int state)
	Updates the display state to the matching coffee state. More...

Variables
display_lang_t	displayLang
timer	displayTimer (displayTimerHandler)
int	lcd = 0
volatile int	timerScaler = 0
volatile int	elapsedCnt = 0
int	coffeeState = STATE_OFF

Function Documentation

const char* displayGetString

(

display_strings_t

string

)

Returns the matching translation of a string.

Parameters

string

Requested string

Returns

Translated string

void displayInit

(

void

)

Initializes display.

void displayPrintFlow

(

int

line

)

Prints out the total volume flow.

Parameters

line	Target line in display

void displayPrintLn	(	int	line,
		const char *	str,
		bool	centered
	)

Prints a string to a specific line, optionally centered.

This function also fills out the remaining row of the display with spaces, to ensure there is no old data left.

Parameters

line	Target line in display
*str	String to print
centered	Print centered or not

void displayPrintTime

(

int

line

)

Prints out the current time in a centered position.

Parameters

line	Target line in display

void displayPushState

(

int

state

)

Updates the display state to the matching coffee state.

Parameters

state

New state

void displayRefresh

(

void

)

Refreshed the display content and outputs it.

void displaySetLang

(

display_lang_t

lang

)

Sets the language of the display text.

Parameters

lang	New language

void displayTerminate

(

void

)

Handles cleanup before program termination.

void* displayThread

(

void *

threadid

)

Main thread to handle display data.

Parameters

*threadid

Thread ID

void* displayTimerHandler

(

void *

threadid

)

Timer handler for display update.

Parameters

*threadid

Thread ID

Variable Documentation

int coffeeState = STATE_OFF

display_lang_t displayLang

timer displayTimer(displayTimerHandler)

volatile int elapsedCnt = 0

int lcd = 0

volatile int timerScaler = 0