AX.25 & KISS protocol related constants.

exec/load/ax25defs.js

+// ax25defs.js
+// AX.25 & KISS protocol-related constants
+
+const AX25_FLAG = (1<<1)|(1<<2)|(1<<3)|(1<<4)|(1<<5)|(1<<6);	// Unused, but included for non-KISS implementations.
+
+// Address field - SSID subfield bitmasks
+const A_CRH = (1<<7);				// Command/Response or Has-Been-Repeated bit of an SSID octet
+const A_RR = (1<<5)|(1<<6);			// The "R" (reserved) bits of an SSID octet
+const A_SSID = (1<<1)|(1<<2)|(1<<3)|(1<<4);	// The SSID portion of an SSID octet
+
+// Control field bitmasks
+const PF = (1<<4);			// Poll/Final
+const NR = (1<<5)|(1<<6)|(1<<7);	// N(R) - receive sequence number
+const NS = (1<<1)|(1<<2)|(1<<3);	// N(S) - send sequence number
+// 	Information frame
+const I_FRAME = 0;	// Derp
+// 	Supervisory frame and subtypes
+const S_FRAME = (1<<0);
+const S_FRAME_RR = S_FRAME;		// Receive Ready
+const S_FRAME_RNR = S_FRAME|(1<<2);	// Receive Not Ready
+const S_FRAME_REJ = S_FRAME|(1<<3);	// Reject
+// 	Unnumbered frame and subtypes
+const U_FRAME = (1<<0)|(1<<1);
+const U_FRAME_SABM = U_FRAME|(1<<2)|(1<<3)|(1<<5);	// Set Asynchronous Balanced Mode
+const U_FRAME_DISC = U_FRAME|(1<<6);			// Disconnect
+const U_FRAME_DM = U_FRAME|(1<<2)|(1<<3);		// Disconnected Mode
+const U_FRAME_UA = U_FRAME|(1<<5)|(1<<6);		// Acknowledge
+const U_FRAME_FRMR = U_FRAME|(1<<2)|(1<<7);		// Frame Reject
+const U_FRAME_UI =  U_FRAME;				// Information
+
+// Protocol ID field bitmasks (most are unlikely to be used, but are here for the sake of completeness.)
+const PID_X25 = (1<<0);								// ISO 8208/CCITT X.25 PLP
+const PID_CTCPIP = (1<<1)|(1<<2);						// Compressed TCP/IP packet. Van Jacobson (RFC 1144)
+const PID_UCTCPIP = (1<<0)|(1<<1)|(1<<2);					// Uncompressed TCP/IP packet. Van Jacobson (RFC 1144)
+const PID_SEGF = (1<<4);							// Segmentation fragment
+const PID_TEXNET = (1<<0)|(1<<1)|(1<<6)|(1<<7);					// TEXNET datagram protocol
+const PID_LQP = (1<<2)|(1<<6)|(1<<7);						// Link Quality Protocol
+const PID_ATALK = (1<<1)|(1<<3)|(1<<6)|(1<<7);					// Appletalk
+const PID_ATALKARP = (1<<0)|(1<<1)|(1<<3)|(1<<6)|(1<<7);			// Appletalk ARP
+const PID_ARPAIP = (1<<2)|(1<<3)|(1<<6)|(1<<7);					// ARPA Internet Protocol
+const PID_ARPAAR = (1<<0)|(1<<2)|(1<<3)|(1<<6)|(1<<7);				// ARPA Address Resolution
+const PID_FLEXNET = (1<<1)|(1<<2)|(1<<3)|(1<<6)|(1<<7);				// FlexNet
+const PID_NETROM = (1<<0)|(1<<1)|(1<<2)|(1<<3)|(1<<6)|(1<<7);			// Net/ROM
+const PID_NONE = (1<<4)|(1<<5)|(1<<6)|(1<<7);					// No layer 3 protocol implemented
+const PID_ESC	= (1<<0)|(1<<1)|(1<<2)|(1<<3)|(1<<4)|(1<<5)|(1<<6)|(1<<7);	// Escape character. Next octet contains more Level 3 protocol information.
+
+// KISS protocol-related constants
+
+// 	FEND and transpositions
+const KISS_FEND = (1<<6)|(1<<7);				// Frame end
+const KISS_FESC = (1<<0)|(1<<1)|(1<<3)|(1<<4)|(1<<6)|(1<<7);	// Frame escape
+const KISS_TFEND = (1<<2)|(1<<3)|(1<<4)|(1<<6)|(1<<7);		// Transposed frame end
+const KISS_TFESC = (1<<0)|(1<<2)|(1<<3)|(1<<4)|(1<<6)|(1<<7);	// Transposed frame escape
+
+// 	Commands (SetHardware (0x06) excluded intentionally.)
+const KISS_DF = 0;		// Data frame
+const KISS_TXD = (1<<0);	// TX delay
+const KISS_P = (1<<1);		// Persistence
+const KISS_ST = (1<<0)|(1<<1);	// Slot time
+const KISS_TXT = (1<<2);	// TX tail
+const KISS_FD = (1<<0)|(1<<2);	// Full Duplex