bcm2835_bindings 1.46.0

Broadcom BCM 2835 bindings to "bcm2835" (Mike McCauley) library for Dart.

example/example.dart

import 'dart:io';
import 'package:binary_interop/binary_interop.dart';
import 'package:libc/headers.dart';
import 'package:bcm2835_bindings/headers.dart';
import 'package:bcm2835_bindings/bcm2835_bindings.dart';

/**
 * Example program for bcm2835 library
 * Blinks a pin on an off every 0.5 secs
 *
 * http://www.airspayce.com/mikem/bcm2835/blink_8c-example.html
 */
void main(List<String> args) {
  var t = new BinaryTypes();
  var h = new BinaryTypeHelper(t);
  h.addHeaders(LIBC_HEADERS);
  h.addHeaders(BCM2835_HEADERS);
  var bcm2835 = loadBcm2835Library(t);
  if (!bcm2835.bcm2835_init()) {
    return;
  }

  // Set the pin to be an output
  bcm2835.bcm2835_gpio_fsel(PIN, Bcm2835Def.BCM2835_GPIO_FSEL_OUTP);
  // Blink
  while (true)  {
    // Turn it on
    bcm2835.bcm2835_gpio_write(PIN, Bcm2835Def.HIGH);

    // wait a bit
    bcm2835.bcm2835_delay(500);

    // turn it off
    bcm2835.bcm2835_gpio_write(PIN, Bcm2835Def.LOW);

    // wait a bit
    bcm2835.bcm2835_delay(500);
  }

  bcm2835.bcm2835_close();
  return;
}

// Blinks on RPi Plug P1 pin 11 (which is GPIO pin 17)
const PIN = Bcm2835Def.RPI_GPIO_P1_11;