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RIOT/sys/arduino/base.cpp 1021 Bytes
a752c7ab   elopes   add first test an...
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  /*
   * Copyright (C) 2015 Freie Universitรคt Berlin
   *
   * This file is subject to the terms and conditions of the GNU Lesser General
   * Public License v2.1. See the file LICENSE in the top level directory for more
   * details.
   */
  
  /**
   * @ingroup     sys_arduino
   * @{
   *
   * @file
   * @brief       Implementation of Arduino core functionality
   *
   * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
   *
   * @}
   */
  
  extern "C" {
  #include "xtimer.h"
  #include "periph/gpio.h"
  }
  
  #include "arduino.hpp"
  
  void pinMode(int pin, int mode)
  {
      gpio_mode_t m = GPIO_OUT;
  
      if (mode == INPUT) {
          m = GPIO_IN;
      }
      else if (mode == INPUT_PULLUP) {
          m = GPIO_IN_PU;
      }
  
      gpio_init(arduino_pinmap[pin], m);
  }
  
  void digitalWrite(int pin, int state)
  {
      gpio_write(arduino_pinmap[pin], state);
  }
  
  int digitalRead(int pin)
  {
      if (gpio_read(arduino_pinmap[pin])) {
          return HIGH;
      }
      else {
          return LOW;
      }
  }
  
  void delay(unsigned long msec)
  {
      xtimer_usleep(1000 * msec);
  }