File content as of revision 1:5ceaf94b79e4:

#include "mbed.h"
#include "uLCD_4DGL.h"
#include "PinDetect.h"

uLCD_4DGL uLCD(p9,p10,p11); // serial tx, serial rx, reset pin;

PinDetect button(p7,PullDown);
AnalogIn waterSensor(p20);
AnalogIn moistureSensor(p19);
AnalogIn lightSensor(p18);
Serial pc(USBTX, USBRX); // tx, rx
PwmOut speaker(p21);
PwmOut led(p22);
PwmOut warningLight(LED1);

int led_flip = 1;

void Button_Callback (void) {
    
}

int main() {
    uLCD.printf("\n\rstart printing\n");
    wait(1);
    int counting = 0;
    float water = 0.0;
    float light = 0.0;
    float moist = 0.0;
    speaker.period(1.0/2000.0);
    
    button.attach_deasserted(&Button_Callback);
    button.setSampleFrequency();

    while(1) {
        water = waterSensor.read();
        moist = moistureSensor.read();
        light = lightSensor.read();
        uLCD.cls();
        uLCD.printf("%d:\n\r",counting);
        uLCD.printf("%f water\n\r",water);
        uLCD.printf("%f moist\n\r",moist);
        uLCD.printf("%f light\n\r",light);
        counting++;
        
        if (light<0.1){led.write(1-light);}
        else{led = 0;}
        
        wait(1);
    }
}