grindertimer/main.c

#include <stdio.h>
#include <unistd.h>
#include <curses.h> 
#include <stdbool.h>

bool buttonLeftPressed=false;
void buttonLeft() {
    buttonLeftPressed=true;
}

bool buttonRightPressed=false;
void buttonRight() {
    buttonRightPressed=true;
}

bool buttonMidPressed=false;
void buttonMid() {
    buttonMidPressed=true;
}

bool turnedLeft=false;
void turnLeft() {
    turnedLeft=true;
}

bool turnedRight=false;
void turnRight() {
    turnedRight=true;
}

bool rotPressed=false;
void pressRot() {
    rotPressed=true;
}

void lcdPut(char* text) {
    printf("%c[2K", 27);
    printf("\r%s", text );
    fflush(stdout);
}


void grind(int time) {
    lcdPut("grinding...");
    usleep(time*1000);
    lcdPut("Fin...");
    usleep(800000);
}


void boilerplate() {
    int foo = getch();
    switch(foo) {
    case 113: // q
        buttonLeft(); break;
    case 119: // w
        buttonMid(); break;
    case 101: // e
        buttonRight(); break;
    case 97: // a
        turnLeft(); break;
    case 115: // s
        pressRot(); break;
    case 100: //        
        turnRight(); break;
    default:
        break;
    }
}


int activeTimer=0;
int timerLens[3];
void loop() {
    boilerplate();

    char str[16];
    sprintf(str, "T%1d: %10d", activeTimer, timerLens[activeTimer]);
    lcdPut(str);

    if(buttonLeftPressed) {
        buttonLeftPressed=false;
        activeTimer=0;
    }
    if(buttonRightPressed) {
        buttonRightPressed=false;
        activeTimer=2;
    }
    if(buttonMidPressed) {
        buttonMidPressed=false;
        activeTimer=1;
    }
    if(turnedLeft) {
        turnedLeft=false;
        timerLens[activeTimer] -= 5;
    }
    if(turnedRight) {
        turnedRight=false;
        timerLens[activeTimer] += 5;
    }
    if(rotPressed) {
        rotPressed=false;
        grind(timerLens[activeTimer]);
    }

    usleep(150);
}

int main( int argc, const char* argv[] )
{

    timerLens[0] = 1000;
    timerLens[1] = 250;
    timerLens[2] = 2500;
    WINDOW *w = initscr();
    cbreak();
    nodelay(w, TRUE);

    while(1) loop();
}