timer128_8c-source.html

国外牛人公开的ＡＶＲ代码

00464     
00465     <span class="comment">// clear output compare value A</span>
00466     outb(OCR3AH, 0);
00467     outb(OCR3AL, 0);
00468     <span class="comment">// clear output compare value B</span>
00469     outb(OCR3BH, 0);
00470     outb(OCR3BL, 0);
00471     <span class="comment">// clear output compare value C</span>
00472     outb(OCR3CH, 0);
00473     outb(OCR3CL, 0);
00474 }
00475 
<a name="l00476"></a><a class="code" href="group__timer128.html#ga35">00476</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga35">timer3PWMOff</a>(<span class="keywordtype">void</span>)
00477 {
00478     <span class="comment">// turn off PWM mode on Timer3</span>
00479     cbi(TCCR3A,WGMA1);
00480     cbi(TCCR3A,WGMA0);
00481     <span class="comment">// clear (disable) clear-timer-on-compare-match</span>
00482     <span class="comment">//cbi(TCCR3B,CTC1);</span>
00483     <span class="comment">// set OC3A/B/C (OutputCompare action) to none</span>
00484     <a class="code" href="group__timer128.html#ga39">timer3PWMAOff</a>();
00485     <a class="code" href="group__timer128.html#ga40">timer3PWMBOff</a>();
00486     <a class="code" href="group__timer128.html#ga41">timer3PWMCOff</a>();
00487 }
00488 
<a name="l00489"></a><a class="code" href="group__timer128.html#ga36">00489</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga36">timer3PWMAOn</a>(<span class="keywordtype">void</span>)
00490 {
00491     <span class="comment">// turn on channel A (OC3A) PWM output</span>
00492     <span class="comment">// set OC3A as non-inverted PWM</span>
00493     sbi(TCCR3A,COMA1);
00494     cbi(TCCR3A,COMA0);
00495 }
00496 
<a name="l00497"></a><a class="code" href="group__timer128.html#ga37">00497</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga37">timer3PWMBOn</a>(<span class="keywordtype">void</span>)
00498 {
00499     <span class="comment">// turn on channel B (OC3B) PWM output</span>
00500     <span class="comment">// set OC3B as non-inverted PWM</span>
00501     sbi(TCCR3A,COMB1);
00502     cbi(TCCR3A,COMB0);
00503 }
00504 
<a name="l00505"></a><a class="code" href="group__timer128.html#ga38">00505</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga38">timer3PWMCOn</a>(<span class="keywordtype">void</span>)
00506 {
00507     <span class="comment">// turn on channel C (OC3C) PWM output</span>
00508     <span class="comment">// set OC3C as non-inverted PWM</span>
00509     sbi(TCCR3A,COMC1);
00510     cbi(TCCR3A,COMC0);
00511 }
00512 
<a name="l00513"></a><a class="code" href="group__timer128.html#ga39">00513</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga39">timer3PWMAOff</a>(<span class="keywordtype">void</span>)
00514 {
00515     <span class="comment">// turn off channel A (OC3A) PWM output</span>
00516     <span class="comment">// set OC3A (OutputCompare action) to none</span>
00517     cbi(TCCR3A,COMA1);
00518     cbi(TCCR3A,COMA0);
00519 }
00520 
<a name="l00521"></a><a class="code" href="group__timer128.html#ga40">00521</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga40">timer3PWMBOff</a>(<span class="keywordtype">void</span>)
00522 {
00523     <span class="comment">// turn off channel B (OC3B) PWM output</span>
00524     <span class="comment">// set OC3B (OutputCompare action) to none</span>
00525     cbi(TCCR3A,COMB1);
00526     cbi(TCCR3A,COMB0);
00527 }
00528 
<a name="l00529"></a><a class="code" href="group__timer128.html#ga41">00529</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga41">timer3PWMCOff</a>(<span class="keywordtype">void</span>)
00530 {
00531     <span class="comment">// turn off channel C (OC3C) PWM output</span>
00532     <span class="comment">// set OC3C (OutputCompare action) to none</span>
00533     cbi(TCCR3A,COMC1);
00534     cbi(TCCR3A,COMC0);
00535 }
00536 
<a name="l00537"></a><a class="code" href="group__timer128.html#ga42">00537</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga42">timer3PWMASet</a>(u16 pwmDuty)
00538 {
00539     <span class="comment">// set PWM (output compare) duty for channel A</span>
00540     <span class="comment">// this PWM output is generated on OC3A pin</span>
00541     <span class="comment">// NOTE:    pwmDuty should be in the range 0-255 for 8bit PWM</span>
00542     <span class="comment">//          pwmDuty should be in the range 0-511 for 9bit PWM</span>
00543     <span class="comment">//          pwmDuty should be in the range 0-1023 for 10bit PWM</span>
00544     outb(OCR3AH, (pwmDuty&gt;&gt;8));     <span class="comment">// set the high 8bits of OCR3A</span>
00545     outb(OCR3AL, (pwmDuty&amp;0x00FF)); <span class="comment">// set the low 8bits of OCR3A</span>
00546 }
00547 
<a name="l00548"></a><a class="code" href="group__timer128.html#ga43">00548</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga43">timer3PWMBSet</a>(u16 pwmDuty)
00549 {
00550     <span class="comment">// set PWM (output compare) duty for channel B</span>
00551     <span class="comment">// this PWM output is generated on OC3B pin</span>
00552     <span class="comment">// NOTE:    pwmDuty should be in the range 0-255 for 8bit PWM</span>
00553     <span class="comment">//          pwmDuty should be in the range 0-511 for 9bit PWM</span>
00554     <span class="comment">//          pwmDuty should be in the range 0-1023 for 10bit PWM</span>
00555     outb(OCR3BH, (pwmDuty&gt;&gt;8));     <span class="comment">// set the high 8bits of OCR3B</span>
00556     outb(OCR3BL, (pwmDuty&amp;0x00FF)); <span class="comment">// set the low 8bits of OCR3B</span>
00557 }
00558 
<a name="l00559"></a><a class="code" href="group__timer128.html#ga44">00559</a> <span class="keywordtype">void</span> <a class="code" href="group__timer128.html#ga44">timer3PWMCSet</a>(u16 pwmDuty)
00560 {
00561     <span class="comment">// set PWM (output compare) duty for channel B</span>
00562     <span class="comment">// this PWM output is generated on OC3C pin</span>
00563     <span class="comment">// NOTE:    pwmDuty should be in the range 0-255 for 8bit PWM</span>
00564     <span class="comment">//          pwmDuty should be in the range 0-511 for 9bit PWM</span>
00565     <span class="comment">//          pwmDuty should be in the range 0-1023 for 10bit PWM</span>
00566     outb(OCR3CH, (pwmDuty&gt;&gt;8));     <span class="comment">// set the high 8bits of OCR3C</span>
00567     outb(OCR3CL, (pwmDuty&amp;0x00FF)); <span class="comment">// set the low 8bits of OCR3C</span>
00568 }
00569 
00570 <span class="comment"></span>
00571 <span class="comment">//! Interrupt handler for tcnt0 overflow interrupt</span>
<a name="l00572"></a><a class="code" href="timer128_8c.html#a53">00572</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW0)
00573 {
00574     Timer0Reg0++;       <span class="comment">// increment low-order counter</span>
00575     <span class="keywordflow">if</span>(!Timer0Reg0)     <span class="comment">// if low-order counter rollover</span>
00576         Timer0Reg1++;   <span class="comment">// increment high-order counter </span>
00577 
00578     <span class="comment">// if a user function is defined, execute it too</span>
00579     <span class="keywordflow">if</span>(TimerIntFunc[TIMER0OVERFLOW_INT])
00580         TimerIntFunc[TIMER0OVERFLOW_INT]();
00581 }
00582 <span class="comment"></span>
00583 <span class="comment">//! Interrupt handler for Timer1 overflow interrupt</span>
<a name="l00584"></a><a class="code" href="timer128_8c.html#a54">00584</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW1)
00585 {
00586     <span class="comment">// if a user function is defined, execute it</span>
00587     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1OVERFLOW_INT])
00588         TimerIntFunc[TIMER1OVERFLOW_INT]();
00589 }
00590 <span class="comment"></span>
00591 <span class="comment">//! Interrupt handler for Timer2 overflow interrupt</span>
<a name="l00592"></a><a class="code" href="timer128_8c.html#a55">00592</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW2)
00593 {
00594     Timer2Reg0++;       <span class="comment">// increment low-order counter</span>
00595     <span class="keywordflow">if</span>(!Timer2Reg0)     <span class="comment">// if low-order counter rollover</span>
00596         Timer2Reg1++;   <span class="comment">// increment high-order counter </span>
00597 
00598     <span class="comment">// increment pause counter</span>
00599     TimerPauseReg++;
00600 
00601     <span class="comment">// if a user function is defined, execute it</span>
00602     <span class="keywordflow">if</span>(TimerIntFunc[TIMER2OVERFLOW_INT])
00603         TimerIntFunc[TIMER2OVERFLOW_INT]();
00604 }
00605 <span class="comment"></span>
00606 <span class="comment">//! Interrupt handler for Timer3 overflow interrupt</span>
<a name="l00607"></a><a class="code" href="timer128_8c.html#a56">00607</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW3)
00608 {
00609     <span class="comment">// if a user function is defined, execute it</span>
00610     <span class="keywordflow">if</span>(TimerIntFunc[TIMER3OVERFLOW_INT])
00611         TimerIntFunc[TIMER3OVERFLOW_INT]();
00612 }
00613 <span class="comment"></span>
00614 <span class="comment">//! Interrupt handler for OutputCompare0 match (OC0) interrupt</span>
<a name="l00615"></a><a class="code" href="timer128_8c.html#a57">00615</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE0)
00616 {
00617     <span class="comment">// if a user function is defined, execute it</span>
00618     <span class="keywordflow">if</span>(TimerIntFunc[TIMER0OUTCOMPARE_INT])
00619         TimerIntFunc[TIMER0OUTCOMPARE_INT]();
00620 }
00621 <span class="comment"></span>
00622 <span class="comment">//! Interrupt handler for OutputCompare1A match (OC1A) interrupt</span>
<a name="l00623"></a><a class="code" href="timer128_8c.html#a58">00623</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE1A)
00624 {
00625     <span class="comment">// if a user function is defined, execute it</span>
00626     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1OUTCOMPAREA_INT])
00627         TimerIntFunc[TIMER1OUTCOMPAREA_INT]();
00628 }
00629 <span class="comment"></span>
00630 <span class="comment">//! Interrupt handler for OutputCompare1B match (OC1B) interrupt</span>
<a name="l00631"></a><a class="code" href="timer128_8c.html#a59">00631</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE1B)
00632 {
00633     <span class="comment">// if a user function is defined, execute it</span>
00634     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1OUTCOMPAREB_INT])
00635         TimerIntFunc[TIMER1OUTCOMPAREB_INT]();
00636 }
00637 <span class="comment"></span>
00638 <span class="comment">//! Interrupt handler for OutputCompare1C match (OC1C) interrupt</span>
<a name="l00639"></a><a class="code" href="timer128_8c.html#a60">00639</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE1C)
00640 {
00641     <span class="comment">// if a user function is defined, execute it</span>
00642     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1OUTCOMPAREC_INT])
00643         TimerIntFunc[TIMER1OUTCOMPAREC_INT]();
00644 }
00645 <span class="comment"></span>
00646 <span class="comment">//! Interrupt handler for InputCapture1(IC1) interrupt</span>
<a name="l00647"></a><a class="code" href="timer128_8c.html#a61">00647</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_INPUT_CAPTURE1)
00648 {
00649     <span class="comment">// if a user function is defined, execute it</span>
00650     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1INPUTCAPTURE_INT])
00651         TimerIntFunc[TIMER1INPUTCAPTURE_INT]();
00652 }
00653 <span class="comment"></span>
00654 <span class="comment">//! Interrupt handler for OutputCompare2 match (OC2) interrupt</span>
<a name="l00655"></a><a class="code" href="timer128_8c.html#a62">00655</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE2)
00656 {
00657     <span class="comment">// if a user function is defined, execute it</span>
00658     <span class="keywordflow">if</span>(TimerIntFunc[TIMER2OUTCOMPARE_INT])
00659         TimerIntFunc[TIMER2OUTCOMPARE_INT]();
00660 }
00661 <span class="comment"></span>
00662 <span class="comment">//! Interrupt handler for OutputCompare3A match (OC3A) interrupt</span>
<a name="l00663"></a><a class="code" href="timer128_8c.html#a63">00663</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE3A)
00664 {
00665     <span class="comment">// if a user function is defined, execute it</span>
00666     <span class="keywordflow">if</span>(TimerIntFunc[TIMER3OUTCOMPAREA_INT])
00667         TimerIntFunc[TIMER3OUTCOMPAREA_INT]();
00668 }
00669 <span class="comment"></span>
00670 <span class="comment">//! Interrupt handler for OutputCompare3B match (OC3B) interrupt</span>
<a name="l00671"></a><a class="code" href="timer128_8c.html#a64">00671</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE3B)
00672 {
00673     <span class="comment">// if a user function is defined, execute it</span>
00674     <span class="keywordflow">if</span>(TimerIntFunc[TIMER3OUTCOMPAREB_INT])
00675         TimerIntFunc[TIMER3OUTCOMPAREB_INT]();
00676 }
00677 <span class="comment"></span>
00678 <span class="comment">//! Interrupt handler for OutputCompare3C match (OC3C) interrupt</span>
<a name="l00679"></a><a class="code" href="timer128_8c.html#a65">00679</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE3C)
00680 {
00681     <span class="comment">// if a user function is defined, execute it</span>
00682     <span class="keywordflow">if</span>(TimerIntFunc[TIMER3OUTCOMPAREC_INT])
00683         TimerIntFunc[TIMER3OUTCOMPAREC_INT]();
00684 }
00685 <span class="comment"></span>
00686 <span class="comment">//! Interrupt handler for InputCapture3 (IC3) interrupt</span>
<a name="l00687"></a><a class="code" href="timer128_8c.html#a66">00687</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_INPUT_CAPTURE3)
00688 {
00689     <span class="comment">// if a user function is defined, execute it</span>
00690     <span class="keywordflow">if</span>(TimerIntFunc[TIMER3INPUTCAPTURE_INT])
00691         TimerIntFunc[TIMER3INPUTCAPTURE_INT]();
00692 }
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