asaril/marlin2_i2
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Set pinMode with every digitalWrite (legacy compatibility)

Browse source
This commit is contained in:
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
Show stats Download patch file Download diff file Expand all files Collapse all files

10
Marlin/src/HAL/HAL_LPC1768/arduino.cpp
View file

@ -121,6 +121,16 @@ void digitalWrite(int pin, int pin_status) {
LPC_GPIO(pin_map[pin].port)->FIOSET = LPC_PIN(pin_map[pin].pin);
else
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) {