Unit msecommport

Description

 

Overview

Classes, Interfaces, Objects and Records

Name	Description
Record errorrecty
Class tcustomrs232
Class trs232
Class tcommevent
Class tcommthread
Class tcommport
Class tasciicommevent
Class tasciicommthread
Class tasciicommport
Class tasciiprotevent
Class tasciiprotport

Functions and Procedures

function checkcommport(commnr: commnrty): boolean;

function crc16(const data; len: integer): word;

function bintoascii(const bytes: string): string; overload;

function bintoascii(const bytes: pchar; const len: integer): string; overload;

function asciitobin(const chars: string): string;

Types

commstatety = (...);

perrorrecty = ˆerrorrecty;

commnrty = (...);

commbaudratety = (...);

commdatabitsty = (...);

commstopbitty = (...);

commparityty = (...);

commeventty = procedure(const sender: tcommevent) of object;

asciicommeventclassty = class of tasciicommevent;

asciiproterrorty = (...);

Constants

defaulteorchar = c_linefeed;

cpf_none = 0;

cpf_ok = 1;

cpf_working = 2;

cpf_notopen = 3;

cpf_abort = 4;

cpf_timeout = 5;

cpf_exception = 6;

cpf_error = 7;

cpf_bufferoverflow = 8;

cpf_canceled = 9;

cpf_unknown = 10;

cpf_command = 11;

cpf_parameter = 12;

cpf_busy = 13;

cpf_user = 100;

errortexte: array[commstatety] of errorrecty = ( (error: cpf_none; text: ''), (error: cpf_ok; text: 'OK'), (error: cpf_working; text: 'busy'), (error: cpf_notopen; text: 'not open'), (error: cpf_abort; text: 'abort'), (error: cpf_timeout; text: 'timeout'), (error: cpf_exception; text: 'exception'), (error: cpf_error; text: 'error'), (error: cpf_bufferoverflow; text: 'bufferoverflow'), (error: cpf_canceled; text: 'canceled'), (error: cpf_unknown; text: 'unknown'), (error: cpf_command; text: 'command error'), (error: cpf_parameter; text: 'paramter error'), (error: cpf_busy; text: 'busy') );

commerrors = ' 1 ok' + c_linefeed + ' 2 working' + c_linefeed + ' 3 port not open' + c_linefeed + ' 4 abort' + c_linefeed + ' 5 timeout' + c_linefeed + ' 6 exception' + c_linefeed + ' 7 error' + c_linefeed + ' 8 bufferoverflow' + c_linefeed + ' 9 canceled';

commname: array[commnrty] of string = ('','COM1','COM2','COM3','COM4','COM5', 'COM6','COM7','COM8','COM9');

invalidfilehandle = INVALID_HANDLE_VALUE;

infinitemse = INFINITE;

commbittime: array[commbaudratety] of real = (1/50,1/75,1/110,1/134,1/150,1/200,1/300,1/600, 1/1200,1/1800,1/2400,1/4800,1/9600,1/19200, 1/38400,1/57600,1/115200);

commbaudrates: array[commbaudratety] of integer = ( 50,75,110,134,150,200,300,600, 1200,1800,2400,4800,9600,19200, 38400,57600,115200);

errorchar = '*';

errorcodes: array[asciiproterrorty] of integer = (cpf_unknown,cpf_command,cpf_parameter,cpf_busy);

Description

Functions and Procedures

function checkcommport(commnr: commnrty): boolean;

function crc16(const data; len: integer): word;

function bintoascii(const bytes: string): string; overload;

function bintoascii(const bytes: pchar; const len: integer): string; overload;

function asciitobin(const chars: string): string;

Types

commstatety = (...);

Values coms_none coms_ok coms_working coms_notopen coms_abort coms_timeout coms_exception coms_error coms_bufferoverflow coms_canceled coms_unknown coms_command coms_parameter coms_busy

perrorrecty = ˆerrorrecty;

commnrty = (...);

Values cnr_invalid = -1 cnr_1 cnr_2 cnr_3 cnr_4 cnr_5 cnr_6 cnr_7 cnr_8 cnr_9

commbaudratety = (...);

Values cbr_50 cbr_75 cbr_110 cbr_134 cbr_150 cbr_200 cbr_300 cbr_600 cbr_1200 cbr_1800 cbr_2400 cbr_4800 cbr_9600 cbr_19200 cbr_38400 cbr_57600 cbr_115200

commdatabitsty = (...);

Values cdb_5 cdb_6 cdb_7 cdb_8

commstopbitty = (...);

Values csb_1 csb_2

commparityty = (...);

Values cpa_none cpa_odd cpa_even

commeventty = procedure(const sender: tcommevent) of object;

asciicommeventclassty = class of tasciicommevent;

asciiproterrorty = (...);

Values ape_unknown ape_command ape_parameter ape_busy

Constants

defaulteorchar = c_linefeed;

cpf_none = 0;

cpf_ok = 1;

cpf_working = 2;

cpf_notopen = 3;

cpf_abort = 4;

cpf_timeout = 5;

cpf_exception = 6;

cpf_error = 7;

cpf_bufferoverflow = 8;

cpf_canceled = 9;

cpf_unknown = 10;

cpf_command = 11;

cpf_parameter = 12;

cpf_busy = 13;

cpf_user = 100;

errortexte: array[commstatety] of errorrecty = ( (error: cpf_none; text: ''), (error: cpf_ok; text: 'OK'), (error: cpf_working; text: 'busy'), (error: cpf_notopen; text: 'not open'), (error: cpf_abort; text: 'abort'), (error: cpf_timeout; text: 'timeout'), (error: cpf_exception; text: 'exception'), (error: cpf_error; text: 'error'), (error: cpf_bufferoverflow; text: 'bufferoverflow'), (error: cpf_canceled; text: 'canceled'), (error: cpf_unknown; text: 'unknown'), (error: cpf_command; text: 'command error'), (error: cpf_parameter; text: 'paramter error'), (error: cpf_busy; text: 'busy') );

commerrors = ' 1 ok' + c_linefeed + ' 2 working' + c_linefeed + ' 3 port not open' + c_linefeed + ' 4 abort' + c_linefeed + ' 5 timeout' + c_linefeed + ' 6 exception' + c_linefeed + ' 7 error' + c_linefeed + ' 8 bufferoverflow' + c_linefeed + ' 9 canceled';

commname: array[commnrty] of string = ('','COM1','COM2','COM3','COM4','COM5', 'COM6','COM7','COM8','COM9');

invalidfilehandle = INVALID_HANDLE_VALUE;

infinitemse = INFINITE;

commbittime: array[commbaudratety] of real = (1/50,1/75,1/110,1/134,1/150,1/200,1/300,1/600, 1/1200,1/1800,1/2400,1/4800,1/9600,1/19200, 1/38400,1/57600,1/115200);

commbaudrates: array[commbaudratety] of integer = ( 50,75,110,134,150,200,300,600, 1200,1800,2400,4800,9600,19200, 38400,57600,115200);

errorchar = '*';

errorcodes: array[asciiproterrorty] of integer = (cpf_unknown,cpf_command,cpf_parameter,cpf_busy);

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