mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-12-24 13:21:23 +01:00
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
#ifndef DCC_h
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#define DCC_h
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#include <Arduino.h>
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#include "Config.h"
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typedef void (*ACK_CALLBACK)(int result);
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enum ackOp { // Program opcodes for the ack Manager
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W0,W1, // issue write bit
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WB, // issue write byte
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VB, // Issue validate Byte packet
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V0, // Issue validate bit=0 packet
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V1, // issue validate bit=1 packlet
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WACK, // wait for ack (or absence of ack)
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ITC1, // If True Callback(1) (if prevous WACK got an ACK)
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ITC0, // If True callback(0);
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ITCB, // IOf True callback(byte)
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MERGE, // Merge previous wack response with byte value and increment bit number (use for readimng CV bytes)
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FAIL, // callback(-1)
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ZERO, // Clear bit and byte
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BASELINE // ensure enough resets sent before starting and obtain baseline
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};
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class DCC {
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public:
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static void begin();
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static void loop();
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// Public DCC API functions
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static void setThrottle( uint16_t cab, uint8_t tSpeed, bool tDirection);
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static void writeCVByteMain(int cab, int cv, byte bValue);
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static void writeCVBitMain(int cab, int cv, byte bNum, bool bValue);
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static void setFunction( int cab, byte fByte, byte eByte);
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static void setFunction( int cab, byte fByte);
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static void setAccessory(int aAdd, byte aNum, bool activate) ;
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static bool writeTextPacket( byte *b, int nBytes);
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// ACKable progtrack calls bitresults callback 0,0 or -1, cv returns value or -1
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static void readCV(int cv, ACK_CALLBACK callback);
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static void readCVBit(int cv, byte bitNum, ACK_CALLBACK callback); // -1 for error
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static void writeCVByte(int cv, byte byteValue, ACK_CALLBACK callback) ;
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static void writeCVBit(int cv, byte bitNum, bool bitValue, ACK_CALLBACK callback);
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static void getLocoId(ACK_CALLBACK callback);
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private:
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struct LOCO {
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int loco;
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byte speedCode;
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};
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static void setThrottle2( uint16_t cab, uint8_t speedCode);
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static void updateLocoReminder(int loco, byte speedCode);
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static int nextLoco;
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static LOCO speedTable[MAX_LOCOS];
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static byte cv1(byte opcode, int cv);
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static byte cv2(int cv);
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// ACK MANAGER
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static ackOp const * ackManagerProg;
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static byte ackManagerByte;
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static byte ackManagerBitNum;
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static int ackManagerCv;
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static bool ackReceived;
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static int ackTriggerMilliamps;
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static ACK_CALLBACK ackManagerCallback;
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static void ackManagerSetup(int cv, byte bitNumOrbyteValue, ackOp const program[], ACK_CALLBACK callback);
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static void ackManagerLoop();
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// NMRA codes #
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static const byte SET_SPEED=0x3f;
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static const byte WRITE_BYTE_MAIN = 0xEC;
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static const byte WRITE_BIT_MAIN = 0xE8;
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static const byte WRITE_BYTE = 0x7C;
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static const byte VERIFY_BYTE= 0x74;
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static const byte BIT_MANIPULATE=0x78;
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static const byte WRITE_BIT=0xF0;
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static const byte VERIFY_BIT=0xE0;
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static const byte BIT_ON=0x08;
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static const byte BIT_OFF=0x00;
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};
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#endif
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