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ITSynOpen/ITS_Open_direct_2fb/TimerOne.h

41 lines
1.3 KiB
C++
Executable file

/*
* Interrupt and PWM utilities for 16 bit Timer1 on ATmega168/328
* Original code by Jesse Tane for http://labs.ideo.com August 2008
* Modified March 2009 by Jérôme Despatis and Jesse Tane for ATmega328 support
* Modified June 2009 by Michael Polli and Jesse Tane to fix a bug in setPeriod() which caused the timer to stop
*
* This is free software. You can redistribute it and/or modify it under
* the terms of Creative Commons Attribution 3.0 United States License.
* To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/us/
* or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.
*
*/
#include <avr/io.h>
#include <avr/interrupt.h>
#define RESOLUTION 65536 // Timer1 is 16 bit
class TimerOne
{
public:
// properties
unsigned int pwmPeriod;
unsigned char clockSelectBits;
// methods
void initialize(long microseconds=1000000);
void start();
void stop();
void restart();
void pwm(char pin, int duty, long microseconds=-1);
void disablePwm(char pin);
void attachInterrupt(void (*isr)(), long microseconds=-1);
void detachInterrupt();
void setPeriod(long microseconds);
void setPwmDuty(char pin, int duty);
void (*isrCallback)();
};
extern TimerOne Timer1;