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Provide the ability to choose a timer for megaavr #145

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Provide the ability to choose a timer for megaavr #145

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13 changes: 4 additions & 9 deletions src/megaavr/ServoTimers.h
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Original file line number Diff line number Diff line change
Expand Up @@ -26,23 +26,18 @@

#include <avr/io.h>

//#define USE_TIMERB1 // interferes with PWM on pin 3
#define USE_TIMERB2 // interferes with PWM on pin 11
//#define USE_TIMERB0 // interferes with PWM on pin 6

#if !defined(USE_TIMERB1) && !defined(USE_TIMERB2) && !defined(USE_TIMERB0)
# error "No timers allowed for Servo"
/* Please uncomment a timer above and rebuild */
#define USE_TIMERB2 // default timer
#endif

static volatile TCB_t* _timer =
#if defined(USE_TIMERB0)
#if defined(USE_TIMERB0) // interferes with PWM on pin 6
&TCB0;
#endif
#if defined(USE_TIMERB1)
#if defined(USE_TIMERB1) // interferes with PWM on pin 3
&TCB1;
#endif
#if defined(USE_TIMERB2)
#if defined(USE_TIMERB2) // interferes with PWM on pin 11
&TCB2;
#endif

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