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Setter function to send sync factor before the code word #516

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Setter function to send sync factor before the code word #516

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aa187fa
Update RCSwitch.cpp
radzki Dec 19, 2024
f36945e
Setter for sync factor order
radzki Dec 22, 2024
d616ce0
Add missing declaration
radzki Dec 22, 2024
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20 changes: 19 additions & 1 deletion RCSwitch.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,7 @@ RCSwitch::RCSwitch() {
this->nTransmitterPin = -1;
this->setRepeatTransmit(10);
this->setProtocol(1);
this->setSyncFactorFirst(false);
#if not defined( RCSwitchDisableReceiving )
this->nReceiverInterrupt = -1;
this->setReceiveTolerance(60);
Expand Down Expand Up @@ -158,6 +159,14 @@ void RCSwitch::setPulseLength(int nPulseLength) {
this->protocol.pulseLength = nPulseLength;
}

/**
* Sets sync factor to be sent first, before the code word
*/
void RCSwitch::setSyncFactorFirst(bool syncFactor) {
this->syncFactorFirst = syncFactor;
}


/**
* Sets Repeat Transmits
*/
Expand Down Expand Up @@ -508,13 +517,22 @@ void RCSwitch::send(unsigned long code, unsigned int length) {
#endif

for (int nRepeat = 0; nRepeat < nRepeatTransmit; nRepeat++) {

if (this->syncFactorFirst) {
this->transmit(protocol.syncFactor);
}

for (int i = length-1; i >= 0; i--) {
if (code & (1L << i))
this->transmit(protocol.one);
else
this->transmit(protocol.zero);
}
this->transmit(protocol.syncFactor);

if (!this->syncFactorFirst) {
this->transmit(protocol.syncFactor);
}

}

// Disable transmit after sending (i.e., for inverted protocols)
Expand Down
2 changes: 2 additions & 0 deletions RCSwitch.h
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,7 @@ class RCSwitch {
void enableTransmit(int nTransmitterPin);
void disableTransmit();
void setPulseLength(int nPulseLength);
void setSyncFactorFirst(bool syncFactorFirst);
void setRepeatTransmit(int nRepeatTransmit);
#if not defined( RCSwitchDisableReceiving )
void setReceiveTolerance(int nPercent);
Expand Down Expand Up @@ -162,6 +163,7 @@ class RCSwitch {
#endif
int nTransmitterPin;
int nRepeatTransmit;
bool syncFactorFirst = false;

Protocol protocol;

Expand Down