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/******************************************************************************
* The MIT License
*
* Copyright (c) 2010 Perry Hung.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*****************************************************************************/
/**
* @file pwm.h
*
* @brief Arduino-compatible PWM interface.
*/
#ifndef _PWM_H_
#define _PWM_H_
/**
* As a convenience, analogWrite is an alias of pwmWrite to ease
* porting Arduino code. However, period and duty will have to be
* recalibrated.
*/
#define analogWrite pwmWrite
/**
* Set the PWM duty on the given pin.
*
* User code is expected to determine and honor the maximum value
* (based on the configured period).
*
* @param pin PWM output pin
* @param duty_cycle Duty cycle to set.
*/
void pwmWrite(uint8 pin, uint16 duty_cycle);
#endif
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