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/*************************************************************************
hdlc.h
Contains stuff pertaining to sending and recieving HDLC frames that are defined in the T30 spec.*************************************************************************/
// On PCs we should pause before ALL frames _except_ CFR & FTT (because
// those are too time critical). In IFAX we look for silence always.
// This is handled in HDLC.C
#define SendCFR(pTG) (SendSingleFrame(pTG,ifrCFR,0,0,1))
#define SendFTT(pTG) (SendSingleFrame(pTG,ifrFTT,0,0,1))
#define SendMCF(pTG) (SendSingleFrame(pTG,ifrMCF,0,0,1))
#define SendRTN(pTG) (SendSingleFrame(pTG,ifrRTN,0,0,1))
#define SendDCN(pTG) (SendSingleFrame(pTG,ifrDCN,0,0,1))
typedef struct { BYTE bFCF1; BYTE bFCF2; BYTE fInsertDISBit; BYTE wFIFLength; // required FIF length, 0 if none, FF if variable
char* szName;} FRAME;
typedef FRAME *CBPFRAME;
// CBPFRAME is a based pointer to a FRAME structure, with the base as
// the current Code segment. It will only be used to access
// the frame table which is a CODESEG based constant table.
extern FRAME rgFrameInfo[ifrMAX];
/****************** begin prototypes from hdlc.c *****************/BOOL SendSingleFrame(PThrdGlbl pTG, IFR ifr, LPB lpbFIF, USHORT uFIFLen, BOOL fSleep);BOOL SendManyFrames(PThrdGlbl pTG, LPLPFR lplpfr, USHORT uNumFrames);BOOL SendZeros(PThrdGlbl pTG, USHORT uCount, BOOL fFinal);BOOL SendTCF(PThrdGlbl pTG);BOOL SendRTC(PThrdGlbl pTG, BOOL);SWORD GetTCF(PThrdGlbl pTG);/***************** end of prototypes from hdlc.c *****************/
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