100 lines
No EOL
3.7 KiB
C++
100 lines
No EOL
3.7 KiB
C++
/*
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Example for analyzing and proposing unknown new protocols
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https://github.com/Martin-Laclaustra/rc-switch/
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Requires modified rc-switch branch "protocollessreceiver"
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with ReceivedInverted() function exposed.
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*/
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#include <RCSwitch.h>
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RCSwitch mySwitch = RCSwitch();
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void setup() {
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Serial.begin(9600);
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mySwitch.enableReceive(0); // Receiver on interrupt 0 => that is pin #2
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// Use mySwitch.enableReceive(D2); for ESP8266
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}
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void loop() {
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if (mySwitch.available()) {
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int value = mySwitch.getReceivedValue();
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if (value == 0) {
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Serial.print("Unknown encoding");
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} else {
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int databuffer[64]; // get a copy of the received timings before they are overwritten
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int numberoftimings = 2 * mySwitch.getReceivedBitlength() + 2;
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if(numberoftimings > 64) numberoftimings = 64;
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for (int i = 0; i < numberoftimings; i++) {
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databuffer[i] = mySwitch.getReceivedRawdata()[i];
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}
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Serial.print("Received ");
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Serial.print( mySwitch.getReceivedValue() );
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Serial.print(" / ");
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Serial.print( mySwitch.getReceivedBitlength() );
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Serial.print("bit ");
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Serial.print("Protocol: ");
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Serial.println( mySwitch.getReceivedProtocol() );
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unsigned int databitsoffset = abs( (int)mySwitch.getReceivedLevelInFirstTiming() - (int)mySwitch.getReceivedInverted());
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//Serial.println( mySwitch.getReceivedLevelInFirstTiming() );
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//Serial.println( mySwitch.getReceivedInverted() );
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//Serial.println( databitsoffset );
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unsigned long dataduration = 0;
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for (unsigned int i = 1 + databitsoffset; i < numberoftimings - 1 + databitsoffset; i++) {
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dataduration += databuffer[i];
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}
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Serial.print("data bits of pulse train duration: ");
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Serial.println( dataduration );
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unsigned int averagebitduration = (int)(0.5 + ((double)dataduration)/mySwitch.getReceivedBitlength());
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unsigned int protocolratio = (unsigned int)(0.5 + ((double)(averagebitduration - mySwitch.getReceivedDelay())) / (double)mySwitch.getReceivedDelay());
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Serial.print("proposed protocol: { ");
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Serial.print(mySwitch.getReceivedDelay());
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Serial.print(", { ");
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Serial.print( (databitsoffset==0) ?
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(int) (0.5 + (double)databuffer[2*mySwitch.getReceivedBitlength()+1]/(double)mySwitch.getReceivedDelay())
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:
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(int) (0.5 + (double)databuffer[0]/(double)mySwitch.getReceivedDelay())
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);
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Serial.print(", ");
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Serial.print( (databitsoffset==0) ?
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(int) (0.5 + (double)databuffer[0]/(double)mySwitch.getReceivedDelay())
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:
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(int) (0.5 + (double)databuffer[1]/(double)mySwitch.getReceivedDelay())
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);
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Serial.print(" }, { ");
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Serial.print("1");
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Serial.print(", ");
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Serial.print(protocolratio);
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Serial.print(" }, { ");
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Serial.print(protocolratio);
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Serial.print(", ");
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Serial.print("1");
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Serial.print(" }, ");
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Serial.print((mySwitch.getReceivedInverted()) ? "true" : "false" );
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Serial.println(" }");
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// raw signal
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Serial.println("====");
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Serial.print("first level ");
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Serial.println((mySwitch.getReceivedLevelInFirstTiming() == 0) ? "down" : "up" );
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for (int i = 0; i < 2*mySwitch.getReceivedBitlength()+2 - 1 + databitsoffset; i++) {
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Serial.print(databuffer[i]);
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Serial.print(" ");
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if((i - databitsoffset) % 16 == 0) Serial.println("");
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}
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if ((2*mySwitch.getReceivedBitlength()+2 - 1 + databitsoffset - 1) % 16 != 0) Serial.println("");
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if (databitsoffset != 1) Serial.println(databuffer[2*mySwitch.getReceivedBitlength()+1]);
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// plot signal in spreadsheet
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Serial.println("====");
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}
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mySwitch.resetAvailable();
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}
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} |