diff options
Diffstat (limited to 'cores/arduino/wiring_digital.c')
| -rwxr-xr-x | cores/arduino/wiring_digital.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/cores/arduino/wiring_digital.c b/cores/arduino/wiring_digital.c index 0949da4..dd1b949 100755 --- a/cores/arduino/wiring_digital.c +++ b/cores/arduino/wiring_digital.c @@ -136,17 +136,16 @@ void digitalWrite(uint8_t pin, uint8_t val) out = portOutputRegister(port); + uint8_t oldSREG = SREG; + cli(); + if (val == LOW) { - uint8_t oldSREG = SREG; - cli(); *out &= ~bit; - SREG = oldSREG; } else { - uint8_t oldSREG = SREG; - cli(); *out |= bit; - SREG = oldSREG; } + + SREG = oldSREG; } int digitalRead(uint8_t pin) |