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added posibility to send raw data #406

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added posibility to send raw data #406

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53 changes: 53 additions & 0 deletions RCSwitch.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -528,6 +528,59 @@ void RCSwitch::send(unsigned long code, unsigned int length) {
#endif
}

/**
* Use a file storing raw data to transmit codes with unknown protocols.
* Each line of the file stores the length of a high (odd linenumber) or a low (even linenumber) pulse in ms
*/
void RCSwitch::sendraw(const char* sFilename) {
int i=0;
int j;
int high, low;
FILE *file;
int array_l[1000];
int array_h[1000];

if (this->nTransmitterPin == -1)
return;
#if not defined( RCSwitchDisableReceiving )
// make sure the receiver is disabled while we transmit
int nReceiverInterrupt_backup = nReceiverInterrupt;
if (nReceiverInterrupt_backup != -1) {
this->disableReceive();
}
#endif

file=fopen(sFilename,"r");
if(file==NULL){
printf("%s not read", sFilename);
return;
}

while (fscanf (file, "%d\n%d\n",&high, &low)>0)
{
array_h[i]=high;
array_l[i]=low;
i++;
}

for(j=0; j<=i; j++){
digitalWrite(this->nTransmitterPin, HIGH);
delayMicroseconds( array_h[j]);
digitalWrite(this->nTransmitterPin, LOW);
delayMicroseconds( array_l[j]);
}

// Disable transmit after sending (i.e., for inverted protocols)
digitalWrite(this->nTransmitterPin, LOW);

#if not defined( RCSwitchDisableReceiving )
// enable receiver again if we just disabled it
if (nReceiverInterrupt_backup != -1) {
this->enableReceive(nReceiverInterrupt_backup);
}
#endif
}

/**
* Transmit a single high-low pulse.
*/
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1 change: 1 addition & 0 deletions RCSwitch.h
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,7 @@ class RCSwitch {
void sendTriState(const char* sCodeWord);
void send(unsigned long code, unsigned int length);
void send(const char* sCodeWord);
void sendraw(const char* sFilename);

#if not defined( RCSwitchDisableReceiving )
void enableReceive(int interrupt);
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