Pulldown pin mode support (#9701)

Implemented for LPC1768.
This commit is contained in:
Scott Lahteine
2018-02-18 19:26:23 -06:00
committed by GitHub
parent aef9e036bf
commit ca55f2927a
66 changed files with 1182 additions and 325 deletions

View File

@@ -85,6 +85,9 @@ bool useable_hardware_PWM(pin_t pin);
/// set pin as input with pullup mode
#define _PULLUP(IO, v) (pinMode(IO, (v!=LOW ? INPUT_PULLUP : INPUT)))
/// set pin as input with pulldown mode
#define _PULLDOWN(IO, v) (pinMode(IO, (v!=LOW ? INPUT_PULLDOWN : INPUT)))
// hg42: all pins can be input or output (I hope)
// hg42: undefined pins create compile error (IO, is no pin)
// hg42: currently not used, but was used by pinsDebug
@@ -119,6 +122,8 @@ bool useable_hardware_PWM(pin_t pin);
#define SET_INPUT(IO) _SET_INPUT(IO)
/// set pin as input with pullup wrapper
#define SET_INPUT_PULLUP(IO) do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
/// set pin as input with pulldown wrapper
#define SET_INPUT_PULLDOWN(IO) do{ _SET_INPUT(IO); _PULLDOWN(IO, HIGH); }while(0)
/// set pin as output wrapper - reads the pin and sets the output to that value
#define SET_OUTPUT(IO) do{ _WRITE(IO, _READ(IO)); _SET_OUTPUT(IO); }while(0)