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Fix for issue #292 #2961

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Merged
merged 2 commits into from
Apr 14, 2015
Merged

Fix for issue #292 #2961

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3cde935
Update Tone.cpp
jan-r Apr 10, 2015
df577bf
Fix for issue #292
jan-r Apr 13, 2015
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21 changes: 11 additions & 10 deletions hardware/arduino/avr/cores/arduino/Tone.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ Version Modified By Date Comments
0006 D Mellis 09/12/29 Replaced objects with functions
0007 M Sproul 10/08/29 Changed #ifdefs from cpu to register
0008 S Kanemoto 12/06/22 Fixed for Leonardo by @maris_HY
0009 J Reucker 15/04/10 Issue #292 Fixed problems with ATmega8 (thanks to Pete62)
*************************************************/

#include <avr/interrupt.h>
Expand Down Expand Up @@ -296,13 +297,13 @@ void tone(uint8_t _pin, unsigned int frequency, unsigned long duration)
#if defined(TCCR0B)
if (_timer == 0)
{
TCCR0B = prescalarbits;
TCCR0B = (TCCR0B & 0b11111000) | prescalarbits;
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seems ok to me, although I've only read the datasheets and did't test it live

}
else
#endif
#if defined(TCCR2B)
{
TCCR2B = prescalarbits;
TCCR2B = (TCCR2B & 0b11111000) | prescalarbits;
}
#else
{
Expand Down Expand Up @@ -389,15 +390,15 @@ void tone(uint8_t _pin, unsigned int frequency, unsigned long duration)
break;
#endif

#if defined(TIMSK3)
#if defined(OCR3A) && defined(TIMSK3) && defined(OCIE3A)
case 3:
OCR3A = ocr;
timer3_toggle_count = toggle_count;
bitWrite(TIMSK3, OCIE3A, 1);
break;
#endif

#if defined(TIMSK4)
#if defined(OCR4A) && defined(TIMSK4) && defined(OCIE4A)
case 4:
OCR4A = ocr;
timer4_toggle_count = toggle_count;
Expand Down Expand Up @@ -454,21 +455,21 @@ void disableTimer(uint8_t _timer)
#endif
break;

#if defined(TIMSK3)
#if defined(TIMSK3) && defined(OCIE3A)
case 3:
TIMSK3 = 0;
bitWrite(TIMSK3, OCIE3A, 0);
break;
#endif

#if defined(TIMSK4)
#if defined(TIMSK4) && defined(OCIE4A)
case 4:
TIMSK4 = 0;
bitWrite(TIMSK4, OCIE4A, 0);
break;
#endif

#if defined(TIMSK5)
#if defined(TIMSK5) && defined(OCIE5A)
case 5:
TIMSK5 = 0;
bitWrite(TIMSK5, OCIE5A, 0);
break;
#endif
}
Expand Down