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/******************************************************************************
* The MIT License
*
* Copyright (c) 2010 Bryan Newbold.
*
* 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.
*****************************************************************************/
/**
* @brief wirish timer class to manage the four 16-bit timer peripherals
*/
#ifndef _TIMER_H_
#define _TIMER_H_
class HardwareTimer {
private:
uint16 overflow;
uint8 timerNum;
public:
HardwareTimer(uint8 timer_num);
void pause(void);
void resume(void);
void setPrescaleFactor(uint16 factor);
void setOverflow(uint16 val); // truncates to overflow
void setCount(uint16 val); // truncates to overflow
uint16 getCount(void);
// tries to set prescaler and overflow wisely; returns overflow
uint16 setPeriod(uint32 microseconds);
void setChannel1Mode(uint8 mode);
void setChannel2Mode(uint8 mode);
void setChannel3Mode(uint8 mode);
void setChannel4Mode(uint8 mode);
void setCompare1(uint16 val); // truncates to overflow
void setCompare2(uint16 val); // truncates to overflow
void setCompare3(uint16 val); // truncates to overflow
void setCompare4(uint16 val); // truncates to overflow
void attachCompare1Interrupt(voidFuncPtr handler);
void attachCompare2Interrupt(voidFuncPtr handler);
void attachCompare3Interrupt(voidFuncPtr handler);
void attachCompare4Interrupt(voidFuncPtr handler);
void detachCompare1Interrupt(void);
void detachCompare2Interrupt(void);
void detachCompare3Interrupt(void);
void detachCompare4Interrupt(void);
};
extern HardwareTimer Timer1;
extern HardwareTimer Timer2;
extern HardwareTimer Timer3;
extern HardwareTimer Timer4;
#if NR_TIMERS >= 8
extern HardwareTimer Timer5;
extern HardwareTimer Timer8;
#endif
#endif
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