/* HEADER - P_FRAME.H Copyright (C) Psion PLC 1991-92 VER DATE BY DESCRIPTION ===== ======== === =========== 1.00F 26/04/90 NSM First relase 1.10F 07/07/92 NSM Second release */ #ifndef P_FRAME_H #define P_FRAME_H #include #include #include typedef struct { /* Transmit stuff */ P_CRC tcrc; /* the CRC for the transmitted data */ unsigned char *pbuf; /* where to extract next byte from transmit buffer */ unsigned char *pend; /* ptr to end of data in transmit buffer */ unsigned char tcntl; /* the control byte to transmit */ unsigned char tstat; /* current transmit frame state */ /* receive stuff */ unsigned short int rlen; /* current received frame length */ unsigned char rstat; /* current receive frame state */ unsigned char rtyp; /* current receive frame type */ unsigned char rseq; /* current receive frame sequence */ unsigned char rfull; /* TRUE if a complete data frame is in buffer */ P_CRC rcrc; /* the CRC for the received data */ P_FRAME dfrm; /* the internal data frame */ short int numfrm; /* number of frames currently in supervisory Q */ P_FRAME *prfin; /* entry pt to supervisory frame Q */ P_FRAME *prfout; /* removal pt of supervisory frame Q */ P_FRAME rfrm[MAXFRM]; /* supervisory frame Q */ } P_FRMCB; #endif // P_FRAME_H