timer128_8c-source.html

avr cpu 库源代码 对avr单片机编程很有帮助

00462     <span class="comment">// clear output compare value A</span>
00463     outb(OCR3AH, 0);
00464     outb(OCR3AL, 0);
00465     <span class="comment">// clear output compare value B</span>
00466     outb(OCR3BH, 0);
00467     outb(OCR3BL, 0);
00468     <span class="comment">// clear output compare value C</span>
00469     outb(OCR3CH, 0);
00470     outb(OCR3CL, 0);
00471 }
00472 
<a name="l00473"></a><a class="code" href="group__timer128.html#ga35">00473</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga35">timer3PWMOff</a>(<span class="keywordtype">void</span>)
00474 {
00475     <span class="comment">// turn off PWM mode on Timer3</span>
00476     cbi(TCCR3A,WGMA1);
00477     cbi(TCCR3A,WGMA0);
00478     <span class="comment">// clear (disable) clear-timer-on-compare-match</span>
00479     <span class="comment">//cbi(TCCR3B,CTC1);</span>
00480     <span class="comment">// set OC3A/B/C (OutputCompare action) to none</span>
00481     <a class="code" href="group__timer128.html#ga39">timer3PWMAOff</a>();
00482     <a class="code" href="group__timer128.html#ga40">timer3PWMBOff</a>();
00483     <a class="code" href="group__timer128.html#ga41">timer3PWMCOff</a>();
00484 }
00485 
<a name="l00486"></a><a class="code" href="group__timer128.html#ga36">00486</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga36">timer3PWMAOn</a>(<span class="keywordtype">void</span>)
00487 {
00488     <span class="comment">// turn on channel A (OC3A) PWM output</span>
00489     <span class="comment">// set OC3A as non-inverted PWM</span>
00490     sbi(TCCR3A,COMA1);
00491     cbi(TCCR3A,COMA0);
00492 }
00493 
<a name="l00494"></a><a class="code" href="group__timer128.html#ga37">00494</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga37">timer3PWMBOn</a>(<span class="keywordtype">void</span>)
00495 {
00496     <span class="comment">// turn on channel B (OC3B) PWM output</span>
00497     <span class="comment">// set OC3B as non-inverted PWM</span>
00498     sbi(TCCR3A,COMB1);
00499     cbi(TCCR3A,COMB0);
00500 }
00501 
<a name="l00502"></a><a class="code" href="group__timer128.html#ga38">00502</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga38">timer3PWMCOn</a>(<span class="keywordtype">void</span>)
00503 {
00504     <span class="comment">// turn on channel C (OC3C) PWM output</span>
00505     <span class="comment">// set OC3C as non-inverted PWM</span>
00506     sbi(TCCR3A,COMC1);
00507     cbi(TCCR3A,COMC0);
00508 }
00509 
<a name="l00510"></a><a class="code" href="group__timer128.html#ga39">00510</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga39">timer3PWMAOff</a>(<span class="keywordtype">void</span>)
00511 {
00512     <span class="comment">// turn off channel A (OC3A) PWM output</span>
00513     <span class="comment">// set OC3A (OutputCompare action) to none</span>
00514     cbi(TCCR3A,COMA1);
00515     cbi(TCCR3A,COMA0);
00516 }
00517 
<a name="l00518"></a><a class="code" href="group__timer128.html#ga40">00518</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga40">timer3PWMBOff</a>(<span class="keywordtype">void</span>)
00519 {
00520     <span class="comment">// turn off channel B (OC3B) PWM output</span>
00521     <span class="comment">// set OC3B (OutputCompare action) to none</span>
00522     cbi(TCCR3A,COMB1);
00523     cbi(TCCR3A,COMB0);
00524 }
00525 
<a name="l00526"></a><a class="code" href="group__timer128.html#ga41">00526</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga41">timer3PWMCOff</a>(<span class="keywordtype">void</span>)
00527 {
00528     <span class="comment">// turn off channel C (OC3C) PWM output</span>
00529     <span class="comment">// set OC3C (OutputCompare action) to none</span>
00530     cbi(TCCR3A,COMC1);
00531     cbi(TCCR3A,COMC0);
00532 }
00533 
<a name="l00534"></a><a class="code" href="group__timer128.html#ga42">00534</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga42">timer3PWMASet</a>(u16 pwmDuty)
00535 {
00536     <span class="comment">// set PWM (output compare) duty for channel A</span>
00537     <span class="comment">// this PWM output is generated on OC3A pin</span>
00538     <span class="comment">// NOTE:    pwmDuty should be in the range 0-255 for 8bit PWM</span>
00539     <span class="comment">//          pwmDuty should be in the range 0-511 for 9bit PWM</span>
00540     <span class="comment">//          pwmDuty should be in the range 0-1023 for 10bit PWM</span>
00541     outb(OCR3AH, (pwmDuty&gt;&gt;8));     <span class="comment">// set the high 8bits of OCR3A</span>
00542     outb(OCR3AL, (pwmDuty&amp;0x00FF)); <span class="comment">// set the low 8bits of OCR3A</span>
00543 }
00544 
<a name="l00545"></a><a class="code" href="group__timer128.html#ga43">00545</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga43">timer3PWMBSet</a>(u16 pwmDuty)
00546 {
00547     <span class="comment">// set PWM (output compare) duty for channel B</span>
00548     <span class="comment">// this PWM output is generated on OC3B pin</span>
00549     <span class="comment">// NOTE:    pwmDuty should be in the range 0-255 for 8bit PWM</span>
00550     <span class="comment">//          pwmDuty should be in the range 0-511 for 9bit PWM</span>
00551     <span class="comment">//          pwmDuty should be in the range 0-1023 for 10bit PWM</span>
00552     outb(OCR3BH, (pwmDuty&gt;&gt;8));     <span class="comment">// set the high 8bits of OCR3B</span>
00553     outb(OCR3BL, (pwmDuty&amp;0x00FF)); <span class="comment">// set the low 8bits of OCR3B</span>
00554 }
00555 
<a name="l00556"></a><a class="code" href="group__timer128.html#ga44">00556</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga44">timer3PWMCSet</a>(u16 pwmDuty)
00557 {
00558     <span class="comment">// set PWM (output compare) duty for channel B</span>
00559     <span class="comment">// this PWM output is generated on OC3C pin</span>
00560     <span class="comment">// NOTE:    pwmDuty should be in the range 0-255 for 8bit PWM</span>
00561     <span class="comment">//          pwmDuty should be in the range 0-511 for 9bit PWM</span>
00562     <span class="comment">//          pwmDuty should be in the range 0-1023 for 10bit PWM</span>
00563     outb(OCR3CH, (pwmDuty&gt;&gt;8));     <span class="comment">// set the high 8bits of OCR3C</span>
00564     outb(OCR3CL, (pwmDuty&amp;0x00FF)); <span class="comment">// set the low 8bits of OCR3C</span>
00565 }
00566 
00567 <span class="comment"></span>
00568 <span class="comment">//! Interrupt handler for tcnt0 overflow interrupt</span>
<a name="l00569"></a><a class="code" href="timer128_8c.html#a53">00569</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW0)
00570 {
00571     Timer0Reg0++;       <span class="comment">// increment low-order counter</span>
00572     <span class="keywordflow">if</span>(!Timer0Reg0)     <span class="comment">// if low-order counter rollover</span>
00573         Timer0Reg1++;   <span class="comment">// increment high-order counter </span>
00574 
00575     <span class="comment">// if a user function is defined, execute it too</span>
00576     <span class="keywordflow">if</span>(TimerIntFunc[TIMER0OVERFLOW_INT])
00577         TimerIntFunc[TIMER0OVERFLOW_INT]();
00578 }
00579 <span class="comment"></span>
00580 <span class="comment">//! Interrupt handler for Timer1 overflow interrupt</span>
<a name="l00581"></a><a class="code" href="timer128_8c.html#a54">00581</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW1)
00582 {
00583     <span class="comment">// if a user function is defined, execute it</span>
00584     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1OVERFLOW_INT])
00585         TimerIntFunc[TIMER1OVERFLOW_INT]();
00586 }
00587 <span class="comment"></span>
00588 <span class="comment">//! Interrupt handler for Timer2 overflow interrupt</span>
<a name="l00589"></a><a class="code" href="timer128_8c.html#a55">00589</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW2)
00590 {
00591     Timer2Reg0++;       <span class="comment">// increment low-order counter</span>
00592     <span class="keywordflow">if</span>(!Timer2Reg0)     <span class="comment">// if low-order counter rollover</span>
00593         Timer2Reg1++;   <span class="comment">// increment high-order counter </span>
00594 
00595     <span class="comment">// increment pause counter</span>
00596     TimerPauseReg++;
00597 
00598     <span class="comment">// if a user function is defined, execute it</span>
00599     <span class="keywordflow">if</span>(TimerIntFunc[TIMER2OVERFLOW_INT])
00600         TimerIntFunc[TIMER2OVERFLOW_INT]();
00601 }
00602 <span class="comment"></span>
00603 <span class="comment">//! Interrupt handler for Timer3 overflow interrupt</span>
<a name="l00604"></a><a class="code" href="timer128_8c.html#a56">00604</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW3)
00605 {
00606     <span class="comment">// if a user function is defined, execute it</span>
00607     <span class="keywordflow">if</span>(TimerIntFunc[TIMER3OVERFLOW_INT])
00608         TimerIntFunc[TIMER3OVERFLOW_INT]();
00609 }
00610 <span class="comment"></span>
00611 <span class="comment">//! Interrupt handler for OutputCompare0 match (OC0) interrupt</span>
<a name="l00612"></a><a class="code" href="timer128_8c.html#a57">00612</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE0)
00613 {
00614     <span class="comment">// if a user function is defined, execute it</span>
00615     <span class="keywordflow">if</span>(TimerIntFunc[TIMER0OUTCOMPARE_INT])
00616         TimerIntFunc[TIMER0OUTCOMPARE_INT]();
00617 }
00618 <span class="comment"></span>
00619 <span class="comment">//! Interrupt handler for OutputCompare1A match (OC1A) interrupt</span>
<a name="l00620"></a><a class="code" href="timer128_8c.html#a58">00620</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE1A)
00621 {
00622     <span class="comment">// if a user function is defined, execute it</span>
00623     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1OUTCOMPAREA_INT])
00624         TimerIntFunc[TIMER1OUTCOMPAREA_INT]();
00625 }
00626 <span class="comment"></span>
00627 <span class="comment">//! Interrupt handler for OutputCompare1B match (OC1B) interrupt</span>
<a name="l00628"></a><a class="code" href="timer128_8c.html#a59">00628</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE1B)
00629 {
00630     <span class="comment">// if a user function is defined, execute it</span>
00631     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1OUTCOMPAREB_INT])
00632         TimerIntFunc[TIMER1OUTCOMPAREB_INT]();
00633 }
00634 <span class="comment"></span>
00635 <span class="comment">//! Interrupt handler for OutputCompare1C match (OC1C) interrupt</span>
<a name="l00636"></a><a class="code" href="timer128_8c.html#a60">00636</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE1C)
00637 {
00638     <span class="comment">// if a user function is defined, execute it</span>
00639     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1OUTCOMPAREC_INT])
00640         TimerIntFunc[TIMER1OUTCOMPAREC_INT]();
00641 }
00642 <span class="comment"></span>
00643 <span class="comment">//! Interrupt handler for InputCapture1(IC1) interrupt</span>
<a name="l00644"></a><a class="code" href="timer128_8c.html#a61">00644</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_INPUT_CAPTURE1)
00645 {
00646     <span class="comment">// if a user function is defined, execute it</span>
00647     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1INPUTCAPTURE_INT])
00648         TimerIntFunc[TIMER1INPUTCAPTURE_INT]();
00649 }
00650 <span class="comment"></span>
00651 <span class="comment">//! Interrupt handler for OutputCompare2 match (OC2) interrupt</span>
<a name="l00652"></a><a class="code" href="timer128_8c.html#a62">00652</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE2)
00653 {
00654     <span class="comment">// if a user function is defined, execute it</span>
00655     <span class="keywordflow">if</span>(TimerIntFunc[TIMER2OUTCOMPARE_INT])
00656         TimerIntFunc[TIMER2OUTCOMPARE_INT]();
00657 }
00658 <span class="comment"></span>
00659 <span class="comment">//! Interrupt handler for OutputCompare3A match (OC3A) interrupt</span>
<a name="l00660"></a><a class="code" href="timer128_8c.html#a63">00660</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE3A)
00661 {
00662     <span class="comment">// if a user function is defined, execute it</span>
00663     <span class="keywordflow">if</span>(TimerIntFunc[TIMER3OUTCOMPAREA_INT])
00664         TimerIntFunc[TIMER3OUTCOMPAREA_INT]();
00665 }
00666 <span class="comment"></span>
00667 <span class="comment">//! Interrupt handler for OutputCompare3B match (OC3B) interrupt</span>
<a name="l00668"></a><a class="code" href="timer128_8c.html#a64">00668</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE3B)
00669 {
00670     <span class="comment">// if a user function is defined, execute it</span>
00671     <span class="keywordflow">if</span>(TimerIntFunc[TIMER3OUTCOMPAREB_INT])
00672         TimerIntFunc[TIMER3OUTCOMPAREB_INT]();
00673 }
00674 <span class="comment"></span>
00675 <span class="comment">//! Interrupt handler for OutputCompare3C match (OC3C) interrupt</span>
<a name="l00676"></a><a class="code" href="timer128_8c.html#a65">00676</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE3C)
00677 {
00678     <span class="comment">// if a user function is defined, execute it</span>
00679     <span class="keywordflow">if</span>(TimerIntFunc[TIMER3OUTCOMPAREC_INT])
00680         TimerIntFunc[TIMER3OUTCOMPAREC_INT]();
00681 }
00682 <span class="comment"></span>
00683 <span class="comment">//! Interrupt handler for InputCapture3 (IC3) interrupt</span>
<a name="l00684"></a><a class="code" href="timer128_8c.html#a66">00684</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_INPUT_CAPTURE3)
00685 {
00686     <span class="comment">// if a user function is defined, execute it</span>
00687     <span class="keywordflow">if</span>(TimerIntFunc[TIMER3INPUTCAPTURE_INT])
00688         TimerIntFunc[TIMER3INPUTCAPTURE_INT]();
00689 }
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