146 lines
5.8 KiB
C
146 lines
5.8 KiB
C
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/******************************************************************************
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*
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* Include file for PI/API driver pcdriver.c
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*
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* Module %M% Version %I% Date %H%
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*
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* (c) Copyright 1998 Ardent Software Inc. - All Rights Reserved
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* This is unpublished proprietary source code of Ardent Software, Inc.
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* The copyright notice above does not evidence any actual or intented
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* publication of such source code.
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*
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*******************************************************************************
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*
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* Maintenence log - insert most recent change descriptions at top
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*
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* Date.... GTAR# WHO Description.........................................
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* 10/14/98 23801 SAP Change copyrights.
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* 04/08/96 18242 DTM Code Cleanup, Phase I
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* 10/19/93 12306 JC Added RAW mode value for use with the ICI.
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* 09/08/93 12220 DWT Port 7.3.2 to ptx
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* 04/23/93 11336 JWT Integration of PI/API support for uniVerse
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* 01 Mar 93 (GMCCLEAN) [PIGS 5220, SPAR none]
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* Creation of Module. Based on the PI/open version.
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*
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*****************************************************************************/
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/* START-DESCRIPTION :
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*
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* This file contains tables required for the character conversion and
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* checksum calculation in PCDRIVER.C.
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*
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* The tables are indexed using the Prime ASCII values and their contents
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* are based on ASCII.
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*
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* END-DESCRIPTION
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*
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* START-CODE:
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*
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*/
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#ifndef h_pcdriver
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#define h_pcdriver
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/* key parameter values */
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#define INITIALIZE 0
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#define RECEIVE 1
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#define TRANSMIT 2
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#define RAWMODE 1000 /* Defines RAW mode in operation */
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#define TERMINATE 1003
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#define EXECUTE_START 1004
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#define EXECUTE_STOP 1005
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/* misellaneous */
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#define TRUE 1
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#define FALSE 0
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#define MAX_RETRIES 5
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#define MAX_VERSION_SIZE 32 /* maximum size of init string */
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#define MAX_PACKETSIZE 2048 /* 2k packets */
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#define OLD_MAX_PACKETSIZE 93 /* old maximum packet size */
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#define MAX_BUFF_SIZE 32766 /* maximum buffer size */
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#define SPACE ' '
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#define LEFT_BRACE '{'
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#define VERTICAL_BAR '|'
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#define RIGHT_BRACE '}'
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#define TILDE '~'
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#define COMMA ','
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#define ETX "\003"
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/* externals */
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/* static structures */
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typedef struct {
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int packetsize;
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int datamax;
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int txseq;
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int rxseq;
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int previous_tx_ack;
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int previous_rx_ack;
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uchar cr;
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uchar version[MAX_VERSION_SIZE];
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uchar goahead[3];
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} PC_DRIVER_PRIVATE_DATA;
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static PC_DRIVER_PRIVATE_DATA pcdata = {
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0,
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0,
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0,
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0,
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FALSE,
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FALSE,
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'\r',
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'\0',
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'\0'
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};
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/*
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lookup table used to encode non-printing characters on transmission
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contains an array of character sequences (decimal value), indexed
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by the ascii value (IBM/PC ASCII) or (PRIME ASCII).
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*/
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static unsigned char lookup[] = {
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123, 32, 123, 33, 123, 34, 123, 35, 123, 36, 123, 37, 123, 38, 123, 39,
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123, 40, 123, 41, 123, 42, 123, 43, 123, 44, 123, 45, 123, 46, 123, 47,
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123, 48, 123, 49, 123, 50, 123, 51, 123, 52, 123, 53, 123, 54, 123, 55,
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123, 56, 123, 57, 123, 58, 123, 59, 123, 60, 123, 61, 123, 62, 123, 63,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 124, 91, 124, 92, 124, 93, 124, 94, 124, 95,
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125, 32, 125, 33, 125, 34, 125, 35, 125, 36, 125, 37, 125, 38, 125, 39,
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125, 40, 125, 41, 125, 42, 125, 43, 125, 44, 125, 45, 125, 46, 125, 47,
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125, 48, 125, 49, 125, 50, 125, 51, 125, 52, 125, 53, 125, 54, 125, 55,
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125, 56, 125, 57, 125, 58, 125, 59, 125, 60, 125, 61, 125, 62, 125, 63,
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125, 64, 125, 65, 125, 66, 125, 67, 125, 68, 125, 69, 125, 70, 125, 71,
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125, 72, 125, 73, 125, 74, 125, 75, 125, 76, 125, 77, 125, 78, 125, 79,
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125, 80, 125, 81, 125, 82, 125, 83, 125, 84, 125, 85, 125, 86, 125, 87,
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125, 88, 125, 89, 125, 90, 125, 91, 125, 92, 125, 93, 125, 94, 125, 95,
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125, 96, 125, 97, 125, 98, 125, 99, 125, 100, 125, 101, 125, 102, 125, 103,
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125, 104, 125, 105, 125, 106, 125, 107, 125, 108, 125, 109, 125, 110, 125, 111,
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125, 112, 125, 113, 125, 114, 125, 115, 125, 116, 125, 117, 125, 118, 125, 119,
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125, 120, 125, 121, 125, 122, 125, 123, 125, 124, 125, 125, 125, 126, 126, 63,
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126, 64, 126, 65, 126, 66, 126, 67, 126, 68, 126, 69, 126, 70, 126, 71,
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126, 72, 126, 73, 126, 74, 126, 75, 126, 76, 126, 77, 126, 78, 126, 79,
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126, 80, 126, 81, 126, 82, 126, 83, 126, 84, 126, 85, 126, 86, 126, 87,
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126, 88, 126, 89, 126, 90, 126, 91, 126, 92, 126, 93, 126, 94, 126, 95
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};
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/* pcdriver.h */
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#endif
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