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Add disableInterruptPin() #54

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Merged
merged 2 commits into from
Feb 8, 2021
Merged

Add disableInterruptPin() #54

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2f0597b
Add disableInterruptPin
PsuFan Feb 8, 2021
d64be8c
Add disableInterruptPin()
PsuFan Feb 8, 2021
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11 changes: 11 additions & 0 deletions Adafruit_MCP23017.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -295,6 +295,17 @@ void Adafruit_MCP23017::setupInterruptPin(uint8_t pin, uint8_t mode) {
updateRegisterBit(pin, HIGH, MCP23017_GPINTENA, MCP23017_GPINTENB);
}

/**
* Disable a pin for interrupt.
*
* @param pin Pin to set
*
*/
void Adafruit_MCP23017::disableInterruptPin(uint8_t pin) {
// disable the pin for interrupt
updateRegisterBit(pin, LOW, MCP23017_GPINTENA, MCP23017_GPINTENB);
}

/*!
* @brief Gets the last interrupt pin
* @return Returns the last interrupt pin
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3 changes: 2 additions & 1 deletion Adafruit_MCP23017.h
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Expand Up @@ -36,7 +36,8 @@ class Adafruit_MCP23017 {
uint8_t readGPIO(uint8_t b);

void setupInterrupts(uint8_t mirroring, uint8_t open, uint8_t polarity);
void setupInterruptPin(uint8_t p, uint8_t mode);
void setupInterruptPin(uint8_t pin, uint8_t mode);
void disableInterruptPin(uint8_t pin);
uint8_t getLastInterruptPin();
uint8_t getLastInterruptPinValue();

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