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Set pinMode with every digitalWrite (legacy compatibility)

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Bob-the-Kuhn 2017-08-07 21:19:15 -05:00 committed by Scott Lahteine
parent 9a950e3a5a
commit d80877d570
1 changed files with 10 additions and 0 deletions
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10
Marlin/src/HAL/HAL_LPC1768/arduino.cpp
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@ -121,6 +121,16 @@ void digitalWrite(int pin, int pin_status) {
LPC_GPIO(pin_map[pin].port)->FIOSET = LPC_PIN(pin_map[pin].pin); LPC_GPIO(pin_map[pin].port)->FIOSET = LPC_PIN(pin_map[pin].pin);
else else
LPC_GPIO(pin_map[pin].port)->FIOCLR = LPC_PIN(pin_map[pin].pin); LPC_GPIO(pin_map[pin].port)->FIOCLR = LPC_PIN(pin_map[pin].pin);
pinMode(pin, OUTPUT); // Set pin mode on every write (Arduino version does this)
/**
* Must be done AFTER the output state is set. Doing this before will cause a
* 2uS glitch if writing a "1".
*
* When the Port Direction bit is written to a "1" the output is immediately set
* to the value of the FIOPIN bit which is "0" because of power up defaults.
*/
} }
bool digitalRead(int pin) { bool digitalRead(int pin) {