c3dc28479a
added conditional compilation to use the newer Dcc.pin() method that used digitalPinToInterrupt() to determine the Ext Interrupt Number based on Arduino Pin to reduce confusion
130 lines
3.9 KiB
C++
130 lines
3.9 KiB
C++
#include <NmraDcc.h>
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// This Example shows how to use the library as a DCC Accessory Decoder or a DCC Signalling Decoder
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// It responds to both the normal DCC Turnout Control packets and the newer DCC Signal Aspect packets
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// You can also print every DCC packet by uncommenting the "#define NOTIFY_DCC_MSG" line below
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NmraDcc Dcc ;
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DCC_MSG Packet ;
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// Define the Arduino input Pin number for the DCC Signal
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#define DCC_PIN 2
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struct CVPair
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{
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uint16_t CV;
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uint8_t Value;
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};
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CVPair FactoryDefaultCVs [] =
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{
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{CV_ACCESSORY_DECODER_ADDRESS_LSB, DEFAULT_ACCESSORY_DECODER_ADDRESS & 0xFF},
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{CV_ACCESSORY_DECODER_ADDRESS_MSB, DEFAULT_ACCESSORY_DECODER_ADDRESS >> 8},
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};
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uint8_t FactoryDefaultCVIndex = 0;
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void notifyCVResetFactoryDefault()
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{
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// Make FactoryDefaultCVIndex non-zero and equal to num CV's to be reset
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// to flag to the loop() function that a reset to Factory Defaults needs to be done
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FactoryDefaultCVIndex = sizeof(FactoryDefaultCVs)/sizeof(CVPair);
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};
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const int DccAckPin = 3 ;
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// This function is called by the NmraDcc library when a DCC ACK needs to be sent
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// Calling this function should cause an increased 60ma current drain on the power supply for 6ms to ACK a CV Read
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void notifyCVAck(void)
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{
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Serial.println("notifyCVAck") ;
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digitalWrite( DccAckPin, HIGH );
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delay( 6 );
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digitalWrite( DccAckPin, LOW );
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}
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// Uncomment to print all DCC Packets
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//#define NOTIFY_DCC_MSG
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#ifdef NOTIFY_DCC_MSG
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void notifyDccMsg( DCC_MSG * Msg)
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{
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Serial.print("notifyDccMsg: ") ;
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for(uint8_t i = 0; i < Msg->Size; i++)
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{
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Serial.print(Msg->Data[i], HEX);
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Serial.write(' ');
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}
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Serial.println();
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}
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#endif
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// This function is called whenever a normal DCC Turnout Packet is received and we're in Board Addressing Mode
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void notifyDccAccTurnoutBoard( uint16_t BoardAddr, uint8_t OutputPair, uint8_t Direction, uint8_t OutputPower )
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{
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Serial.print("notifyDccAccTurnoutBoard: ") ;
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Serial.print(BoardAddr,DEC) ;
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Serial.print(',');
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Serial.print(OutputPair,DEC) ;
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Serial.print(',');
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Serial.print(Direction,DEC) ;
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Serial.print(',');
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Serial.println(OutputPower, HEX) ;
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}
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// This function is called whenever a normal DCC Turnout Packet is received and we're in Output Addressing Mode
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void notifyDccAccTurnoutOutput( uint16_t Addr, uint8_t Direction, uint8_t OutputPower )
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{
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Serial.print("notifyDccAccTurnoutOutput: ") ;
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Serial.print(Addr,DEC) ;
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Serial.print(',');
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Serial.print(Direction,DEC) ;
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Serial.print(',');
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Serial.println(OutputPower, HEX) ;
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}
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// This function is called whenever a DCC Signal Aspect Packet is received
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void notifyDccSigOutputState( uint16_t Addr, uint8_t State)
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{
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Serial.print("notifyDccSigOutputState: ") ;
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Serial.print(Addr,DEC) ;
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Serial.print(',');
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Serial.println(State, HEX) ;
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}
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void setup()
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{
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Serial.begin(115200);
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// Configure the DCC CV Programing ACK pin for an output
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pinMode( DccAckPin, OUTPUT );
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Serial.println("NMRA DCC Example 1");
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// Setup which External Interrupt, the Pin it's associated with that we're using and enable the Pull-Up
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// Many Arduino Cores now support the digitalPinToInterrupt() function that makes it easier to figure out the
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// Interrupt Number for the Arduino Pin number, which reduces confusion.
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#ifdef digitalPinToInterrupt
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Dcc.pin(DCC_PIN, 0);
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#else
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Dcc.pin(0, DCC_PIN, 1);
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#endif
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// Call the main DCC Init function to enable the DCC Receiver
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Dcc.init( MAN_ID_DIY, 10, CV29_ACCESSORY_DECODER | CV29_OUTPUT_ADDRESS_MODE, 0 );
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Serial.println("Init Done");
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}
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void loop()
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{
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// You MUST call the NmraDcc.process() method frequently from the Arduino loop() function for correct library operation
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Dcc.process();
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if( FactoryDefaultCVIndex && Dcc.isSetCVReady())
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{
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FactoryDefaultCVIndex--; // Decrement first as initially it is the size of the array
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Dcc.setCV( FactoryDefaultCVs[FactoryDefaultCVIndex].CV, FactoryDefaultCVs[FactoryDefaultCVIndex].Value);
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}
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}
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