MHVLib  20111011
An efficiency oriented runtime library for AVR microcontrollers
A:/eclipse/mhvlib/MHV_Timer16.h
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00001 /*
00002  * Copyright (c) 2011, Make, Hack, Void Inc
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *  * Redistributions of source code must retain the above copyright
00008  *    notice, this list of conditions and the following disclaimer.
00009  *  * Redistributions in binary form must reproduce the above copyright
00010  *    notice, this list of conditions and the following disclaimer in the
00011  *    documentation and/or other materials provided with the distribution.
00012  *  * Neither the name of the Make, Hack, Void nor the
00013  *    names of its contributors may be used to endorse or promote products
00014  *    derived from this software without specific prior written permission.
00015  *
00016  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
00017  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00018  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00019  * DISCLAIMED. IN NO EVENT SHALL MAKE, HACK, VOID BE LIABLE FOR ANY
00020  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00021  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00022  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00023  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00024  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00025  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00026  */
00027 
00028 
00029 #ifndef MHV_TIMER16_H_
00030 #define MHV_TIMER16_H_
00031 
00032 #include <MHV_Timer8.h>
00033 
00034 #ifdef MHV_TIMER16_1
00035 
00036 
00037 #define MHV_TIMER_ASSIGN_3INTERRUPTS(mhvTimer, mhvTimerVectors) \
00038         _MHV_TIMER_ASSIGN_3INTERRUPTS(mhvTimer, mhvTimerVectors)
00039 #define _MHV_TIMER_ASSIGN_3INTERRUPTS(mhvTimer, mhvTimerVect1, mhvTimerVect2, mhvTimerVect3) \
00040 ISR(mhvTimerVect1) { \
00041         mhvTimer.trigger1(); \
00042 } \
00043 ISR(mhvTimerVect2) { \
00044         mhvTimer.trigger2(); \
00045 } \
00046 ISR(mhvTimerVect3) { \
00047         mhvTimer.trigger3(); \
00048 }
00049 
00050 class MHV_Timer16 : public MHV_Timer8 {
00051 protected:
00052         volatile uint8_t        *_controlRegC;
00053         volatile uint16_t       *_outputCompare1;
00054         volatile uint16_t       *_outputCompare2;
00055         volatile uint16_t       *_outputCompare3;
00056         volatile uint16_t       *_counter;
00057         bool                            _haveTime3;
00058         volatile uint16_t       *_inputCapture1;
00059 
00060         void (*_triggerFunction3)(void *data);
00061         void *_triggerData3;
00062 
00063         void setGenerationMode();
00064 
00065 public:
00066         MHV_Timer16(volatile uint8_t *controlRegA, volatile uint8_t *controlRegB, volatile uint8_t *controlRegC,
00067                         volatile uint16_t *outputCompare1, volatile uint16_t *outputCompare2, volatile uint16_t *outputCompare3,
00068                         volatile uint16_t *counter,     volatile uint8_t *interrupt, volatile uint16_t *inputCapture1);
00069         void setPeriods(uint32_t usec1, uint32_t usec2, uint32_t usec3);
00070         void setPeriods(MHV_TIMER_PRESCALER prescaler, uint16_t time1, uint16_t time2, uint16_t time3);
00071         uint16_t getTop();
00072         void setTop(uint16_t value);
00073         void setOutput(uint8_t channel, uint16_t value);
00074         void setOutput1(uint16_t value);
00075         void setOutput2(uint16_t value);
00076         void setOutput3(uint16_t value);
00077         uint16_t getOutput(uint8_t channel);
00078         uint16_t getOutput1();
00079         uint16_t getOutput2();
00080         uint16_t getOutput3();
00081         void connectOutput(uint8_t channel, MHV_TIMER_CONNECT_TYPE type);
00082         void connectOutput1(MHV_TIMER_CONNECT_TYPE type);
00083         void connectOutput2(MHV_TIMER_CONNECT_TYPE type);
00084         void connectOutput3(MHV_TIMER_CONNECT_TYPE type);
00085         void enable();
00086         void disable();
00087         void trigger3();
00088         void setTriggers(void (*triggerFunction1)(void *triggerData), void *triggerData1,
00089                         void (*triggerFunction2)(void *triggerData), void *triggerData2,
00090                         void (*triggerFunction3)(void *triggerData), void *triggerData3);
00091         uint16_t current();
00092 };
00093 
00094 #endif // MHV_TIMER16_1
00095 
00096 #endif /* MHV_TIMER16_H_ */