Strobe lab pressure range detection

strobelab-pressure.cpp

#include "wirish.h"
#include "HardwareSerial.h"
#include "HardwareUsb.h"
#include "usb.h"

#define LED_PIN 13
#define AIN_PIN  20
#define CUTOFF1 3000 // 2/3.3 * 4096
#define CUTOFF2 3350 // 2/3.3 * 4096

HardwareUsb Usb;

void setup()
{
    /* Set up the LED to blink  */
    pinMode(LED_PIN, OUTPUT);

    /* Set up AIN  */
    pinMode(AIN_PIN, INPUT_ANALOG);

    /* Send a message out the USB virtual com port  */
    Usb.println("Hello world! Measuring pressure...");

}

int val = 0;

void loop() {
    val = analogRead(AIN_PIN);
    if(val > CUTOFF2) {
        digitalWrite(LED_PIN, 1);
        delay(40);
    } else if(val > CUTOFF1) {
        digitalWrite(LED_PIN, 0);
        delay(40);
        digitalWrite(LED_PIN, 1);
        delay(40);
    } else {
        digitalWrite(LED_PIN, 0);
        delay(100);
        digitalWrite(LED_PIN, 1);
        delay(100);
    }
    Usb.println(val,DEC);
}


int main(void) {
    init();
    setup();

    while (1) {
        loop();
    }
    return 0;