84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
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/*
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* Copyright (c) 2014, Ralf Schlatterbeck Open Source Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*/
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/**
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* \defgroup compatibility Arduino - Contiki
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*
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* This defines contiki-compatible hardware definitions for running
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* arduino sketches (or just to call arduino-compatible function).
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* For now only for osd hardware, a similar file should exist for each
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* arduino-compatible hardware.
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*
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* @{
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*/
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/**
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* \file
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* Header file for arduino compatibility
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* \author
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* Ralf Schlatterbeck <rsc@runtux.com>
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*
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*/
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#ifdef __cplusplus
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extern "C"{
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#endif
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#include "contiki.h"
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/*
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* The OSD hardware only supports timer 3 for PWM, timer 2 is used by
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* contiki for sleep/wakeup timing and is not usable for PWM.
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*/
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#define digitalPinToTimer(pin) \
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( (pin) == 2 \
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? TIMER3A \
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: ( (pin) == 3 \
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? TIMER3B \
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: ((pin == 4) ? TIMER3C : NOT_ON_TIMER) \
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) \
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)
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/* Only init timer 3 with phase correct pwm 8-bit and prescaler 64 */
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#define arduino_pwm_timer_init() \
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(hwtimer_ini (3, HWT_WGM_PWM_PHASE_8_BIT, HWT_CLOCK_PRESCALER_64, 0))
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/*
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* VI settings, see coding style
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* ex:ts=8:et:sw=2
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*/
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#ifdef __cplusplus
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} // extern "C"
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#endif
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/** @} */
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