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set transmissionStatus on digitalRead #76

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set transmissionStatus on digitalRead #76

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0d10765
set transmissionStatus on digitalRead
jmguazzo Jan 17, 2026
99a1759
return 4 "other error"
jmguazzo Jan 17, 2026
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3 changes: 2 additions & 1 deletion PCF8574.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -965,7 +965,8 @@ uint8_t PCF8574::digitalRead(uint8_t pin, bool forceReadNow){
// }else if (forceReadNow || (millis() > PCF8574::lastReadMillis+latency)){
}else if (forceReadNow || (millis() - PCF8574::lastReadMillis > latency)){
PCF8574_DEBUG_PRINT(" ...Read from buffer... ");
_wire->requestFrom(_address,(uint8_t)1);// Begin transmission to PCF8574 with the buttons
uint8_t bytesRead = _wire->requestFrom(_address, (uint8_t)1); // Begin transmission to PCF8574 with the buttons
this->transmissionStatus = (bytesRead != 0) ? 0 : 4; // return "Other error" similar from endTransmission
lastReadMillis = millis();
if(_wire->available()) // If bytes are available to be recieved
{
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