timerx8_8c-source.html

avr cpu 库源代码 对avr单片机编程很有帮助

00318     <span class="comment">// clear output compare value B</span>
00319     OCR1B = 0;
00320 
00321 }
00322 <span class="preprocessor">#endif</span>
00323 <span class="preprocessor"></span>
<a name="l00324"></a><a class="code" href="group__timerpwm.html#ga2">00324</a> <span class="keywordtype">void</span> <a class="code" href="group__timerpwm.html#ga2">timer1PWMOff</a>(<span class="keywordtype">void</span>)
00325 {
00326     <span class="comment">// turn off timer1 PWM mode</span>
00327     cbi(TCCR1A,PWM11);
00328     cbi(TCCR1A,PWM10);
00329     <span class="comment">// set PWM1A/B (OutputCompare action) to none</span>
00330     <a class="code" href="group__timerpwm.html#ga5">timer1PWMAOff</a>();
00331     <a class="code" href="group__timerpwm.html#ga6">timer1PWMBOff</a>();
00332 }
00333 
<a name="l00334"></a><a class="code" href="group__timerpwm.html#ga3">00334</a> <span class="keywordtype">void</span> <a class="code" href="group__timerpwm.html#ga3">timer1PWMAOn</a>(<span class="keywordtype">void</span>)
00335 {
00336     <span class="comment">// turn on channel A (OC1A) PWM output</span>
00337     <span class="comment">// set OC1A as non-inverted PWM</span>
00338     sbi(TCCR1A,COM1A1);
00339     cbi(TCCR1A,COM1A0);
00340 }
00341 
<a name="l00342"></a><a class="code" href="group__timerpwm.html#ga4">00342</a> <span class="keywordtype">void</span> <a class="code" href="group__timerpwm.html#ga4">timer1PWMBOn</a>(<span class="keywordtype">void</span>)
00343 {
00344     <span class="comment">// turn on channel B (OC1B) PWM output</span>
00345     <span class="comment">// set OC1B as non-inverted PWM</span>
00346     sbi(TCCR1A,COM1B1);
00347     cbi(TCCR1A,COM1B0);
00348 }
00349 
<a name="l00350"></a><a class="code" href="group__timerpwm.html#ga5">00350</a> <span class="keywordtype">void</span> <a class="code" href="group__timerpwm.html#ga5">timer1PWMAOff</a>(<span class="keywordtype">void</span>)
00351 {
00352     <span class="comment">// turn off channel A (OC1A) PWM output</span>
00353     <span class="comment">// set OC1A (OutputCompare action) to none</span>
00354     cbi(TCCR1A,COM1A1);
00355     cbi(TCCR1A,COM1A0);
00356 }
00357 
<a name="l00358"></a><a class="code" href="group__timerpwm.html#ga6">00358</a> <span class="keywordtype">void</span> <a class="code" href="group__timerpwm.html#ga6">timer1PWMBOff</a>(<span class="keywordtype">void</span>)
00359 {
00360     <span class="comment">// turn off channel B (OC1B) PWM output</span>
00361     <span class="comment">// set OC1B (OutputCompare action) to none</span>
00362     cbi(TCCR1A,COM1B1);
00363     cbi(TCCR1A,COM1B0);
00364 }
00365 
<a name="l00366"></a><a class="code" href="group__timerpwm.html#ga7">00366</a> <span class="keywordtype">void</span> <a class="code" href="group__timerpwm.html#ga7">timer1PWMASet</a>(u16 pwmDuty)
00367 {
00368     <span class="comment">// set PWM (output compare) duty for channel A</span>
00369     <span class="comment">// this PWM output is generated on OC1A pin</span>
00370     <span class="comment">// NOTE:    pwmDuty should be in the range 0-255 for 8bit PWM</span>
00371     <span class="comment">//          pwmDuty should be in the range 0-511 for 9bit PWM</span>
00372     <span class="comment">//          pwmDuty should be in the range 0-1023 for 10bit PWM</span>
00373     <span class="comment">//outp( (pwmDuty&gt;&gt;8), OCR1AH);      // set the high 8bits of OCR1A</span>
00374     <span class="comment">//outp( (pwmDuty&amp;0x00FF), OCR1AL);  // set the low 8bits of OCR1A</span>
00375     OCR1A = pwmDuty;
00376 }
00377 
<a name="l00378"></a><a class="code" href="group__timerpwm.html#ga8">00378</a> <span class="keywordtype">void</span> <a class="code" href="group__timerpwm.html#ga8">timer1PWMBSet</a>(u16 pwmDuty)
00379 {
00380     <span class="comment">// set PWM (output compare) duty for channel B</span>
00381     <span class="comment">// this PWM output is generated on OC1B pin</span>
00382     <span class="comment">// NOTE:    pwmDuty should be in the range 0-255 for 8bit PWM</span>
00383     <span class="comment">//          pwmDuty should be in the range 0-511 for 9bit PWM</span>
00384     <span class="comment">//          pwmDuty should be in the range 0-1023 for 10bit PWM</span>
00385     <span class="comment">//outp( (pwmDuty&gt;&gt;8), OCR1BH);      // set the high 8bits of OCR1B</span>
00386     <span class="comment">//outp( (pwmDuty&amp;0x00FF), OCR1BL);  // set the low 8bits of OCR1B</span>
00387     OCR1B = pwmDuty;
00388 }
00389 <span class="comment"></span>
00390 <span class="comment">//! Interrupt handler for tcnt0 overflow interrupt</span>
<a name="l00391"></a><a class="code" href="timerx8_8c.html#a27">00391</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW0)
00392 {
00393     Timer0Reg0++;           <span class="comment">// increment low-order counter</span>
00394 
00395     <span class="comment">// increment pause counter</span>
00396     TimerPauseReg++;
00397 
00398     <span class="comment">// if a user function is defined, execute it too</span>
00399     <span class="keywordflow">if</span>(TimerIntFunc[TIMER0OVERFLOW_INT])
00400         TimerIntFunc[TIMER0OVERFLOW_INT]();
00401 }
00402 <span class="comment"></span>
00403 <span class="comment">//! Interrupt handler for tcnt1 overflow interrupt</span>
<a name="l00404"></a><a class="code" href="timerx8_8c.html#a28">00404</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW1)
00405 {
00406     <span class="comment">// if a user function is defined, execute it</span>
00407     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1OVERFLOW_INT])
00408         TimerIntFunc[TIMER1OVERFLOW_INT]();
00409 }
00410 
00411 <span class="preprocessor">#ifdef TCNT2    // support timer2 only if it exists</span>
00412 <span class="preprocessor"></span><span class="comment">//! Interrupt handler for tcnt2 overflow interrupt</span>
00413 <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW2)
00414 {
00415     Timer2Reg0++;           <span class="comment">// increment low-order counter</span>
00416 
00417     <span class="comment">// if a user function is defined, execute it</span>
00418     <span class="keywordflow">if</span>(TimerIntFunc[TIMER2OVERFLOW_INT])
00419         TimerIntFunc[TIMER2OVERFLOW_INT]();
00420 }
00421 <span class="preprocessor">#endif</span>
00422 <span class="preprocessor"></span>
00423 <span class="preprocessor">#ifdef OCR0</span>
00424 <span class="preprocessor"></span><span class="comment">// include support for Output Compare 0 for new AVR processors that support it</span><span class="comment"></span>
00425 <span class="comment">//! Interrupt handler for OutputCompare0 match (OC0) interrupt</span>
00426 <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE0)
00427 {
00428     <span class="comment">// if a user function is defined, execute it</span>
00429     <span class="keywordflow">if</span>(TimerIntFunc[TIMER0OUTCOMPARE_INT])
00430         TimerIntFunc[TIMER0OUTCOMPARE_INT]();
00431 }
00432 <span class="preprocessor">#endif</span>
00433 <span class="preprocessor"></span><span class="comment"></span>
00434 <span class="comment">//! Interrupt handler for CutputCompare1A match (OC1A) interrupt</span>
<a name="l00435"></a><a class="code" href="timerx8_8c.html#a29">00435</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE1A)
00436 {
00437     <span class="comment">// if a user function is defined, execute it</span>
00438     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1OUTCOMPAREA_INT])
00439         TimerIntFunc[TIMER1OUTCOMPAREA_INT]();
00440 }
00441 <span class="comment"></span>
00442 <span class="comment">//! Interrupt handler for OutputCompare1B match (OC1B) interrupt</span>
<a name="l00443"></a><a class="code" href="timerx8_8c.html#a30">00443</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE1B)
00444 {
00445     <span class="comment">// if a user function is defined, execute it</span>
00446     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1OUTCOMPAREB_INT])
00447         TimerIntFunc[TIMER1OUTCOMPAREB_INT]();
00448 }
00449 <span class="comment"></span>
00450 <span class="comment">//! Interrupt handler for InputCapture1 (IC1) interrupt</span>
<a name="l00451"></a><a class="code" href="timerx8_8c.html#a31">00451</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_INPUT_CAPTURE1)
00452 {
00453     <span class="comment">// if a user function is defined, execute it</span>
00454     <span class="keywordflow">if</span>(TimerIntFunc[TIMER1INPUTCAPTURE_INT])
00455         TimerIntFunc[TIMER1INPUTCAPTURE_INT]();
00456 }
00457 <span class="comment"></span>
00458 <span class="comment">//! Interrupt handler for OutputCompare2A match (OC2A) interrupt</span>
<a name="l00459"></a><a class="code" href="timerx8_8c.html#a32">00459</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE2A)
00460 {
00461     <span class="comment">// if a user function is defined, execute it</span>
00462     <span class="keywordflow">if</span>(TimerIntFunc[TIMER2OUTCOMPARE_INT])
00463         TimerIntFunc[TIMER2OUTCOMPARE_INT]();
00464 }
00465 <span class="comment"></span>
00466 <span class="comment">//! Interrupt handler for OutputCompare2B match (OC2B) interrupt</span>
<a name="l00467"></a><a class="code" href="timerx8_8c.html#a33">00467</a> <span class="comment"></span>TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE2B)
00468 {
00469     <span class="comment">// if a user function is defined, execute it</span>
00470     <span class="keywordflow">if</span>(TimerIntFunc[TIMER2OUTCOMPARE_INT])
00471         TimerIntFunc[TIMER2OUTCOMPARE_INT]();
00472 }
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