Th3maz1ng/ESP8266_swiss_army_board
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Added the togglePin method to the library

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This commit is contained in:
Anatole SCHRAMM 2019-05-02 17:20:52 +02:00
parent 8ab1f45013
commit cfa7192f5f
2 changed files with 14 additions and 0 deletions
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13
src/libs/PCF8574/PCF8574.cpp
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@ -51,6 +51,19 @@ void PCF8574::digitalWrite(Pin pin, boolean mode)
_twc.endTransmission(); _twc.endTransmission();
} }
void PCF8574::togglePin(Pin pin)
{
//We first check that the pin is an output
if((_pddr & pin) == 0)
return;
_pinConfig = (_pinConfig & pin) == 0 ? _pinConfig | pin : _pinConfig & ~pin;
_twc.beginTransmission(_address);
_twc.write(_pinConfig);
_twc.endTransmission();
}
boolean PCF8574::digitalRead(Pin pin) boolean PCF8574::digitalRead(Pin pin)
{ {
uint8_t reg = 0b00000000; uint8_t reg = 0b00000000;

1
src/libs/PCF8574/PCF8574.h
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@ -22,6 +22,7 @@ class PCF8574
void digitalReadAll(boolean array[]); void digitalReadAll(boolean array[]);
boolean getPinMode(Pin pin); boolean getPinMode(Pin pin);
void getPinModeAll(boolean array[]); void getPinModeAll(boolean array[]);
void togglePin(Pin pin);
private: private:
TwoWire &_twc; TwoWire &_twc;
uint8_t _address; uint8_t _address;