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additional check for turnOffPWM #77

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additional check for turnOffPWM #77

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cb38aaa
additional check for turnOffPWM
bridystone Jul 7, 2020
dfb2462
better coding style
bridystone Dec 1, 2021
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12 changes: 12 additions & 0 deletions cores/arduino/wiring_digital.c
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Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,10 @@ static void turnOffPWM(uint8_t pin)

/* TCA0 */
case TIMERA0:
// check, if TCA is set to Port B (default megaavr-PWM ports)
// see variants/nona4809/variant.c line 13
if (!(PORTMUX_TCAROUTEA == PORTMUX_TCA0_PORTB_gc))
break;
/* Bit position will give output channel */
bit_pos = digitalPinToBitPosition(pin);

Expand All @@ -113,7 +117,15 @@ static void turnOffPWM(uint8_t pin)

/* TCB - only one output */
case TIMERB0:
// check, if TCB0 is set to alternate mode PF4 (Pin D6) (default megaavr-PWM)
// see variants/nona4809/variant.c line 31
if ((pin == 6) && ((PORTMUX_TCBROUTEA & PORTMUX_TCB0_bm) != PORTMUX_TCB0_bm))
break;
case TIMERB1:
// check, if TCB1 is set to alternate mode PF5 (Pin D3) (default megaavr-PWM)
// see variants/nona4809/variant.c line 36
if ((pin == 3) && ((PORTMUX_TCBROUTEA & PORTMUX_TCB1_bm) != PORTMUX_TCB1_bm))
break;
case TIMERB2:
case TIMERB3:

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