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Added digitalWrite(pin, TOGGLE) #111

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Added digitalWrite(pin, TOGGLE) #111

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3 changes: 2 additions & 1 deletion build/shared/lib/keywords.txt
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Original file line number Diff line number Diff line change
@@ -1,7 +1,8 @@
# LITERAL1 specifies constants

HIGH LITERAL1 Constants
LOW LITERAL1 Constants
HIGH LITERAL1 Constants
TOGGLE LITERAL1 Constants
INPUT LITERAL1 Constants
INPUT_PULLUP LITERAL1 Constants
OUTPUT LITERAL1 Constants
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5 changes: 3 additions & 2 deletions hardware/arduino/cores/arduino/Arduino.h
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Expand Up @@ -15,9 +15,10 @@
extern "C"{
#endif

#define HIGH 0x1
#define LOW 0x0

#define HIGH 0x1
#define TOGGLE 0x2

#define INPUT 0x0
#define OUTPUT 0x1
#define INPUT_PULLUP 0x2
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7 changes: 4 additions & 3 deletions hardware/arduino/cores/arduino/wiring_digital.c
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Original file line number Diff line number Diff line change
Expand Up @@ -152,11 +152,12 @@ void digitalWrite(uint8_t pin, uint8_t val)
uint8_t oldSREG = SREG;
cli();

if (val == LOW) {
if (val == LOW)
*out &= ~bit;
} else {
else if (val == TOGGLE)
*out ^= bit;
else
*out |= bit;
}

SREG = oldSREG;
}
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