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| library CAPI2032;
//CAPI Wrapper
//Benennen Sie die auf Ihrem System vorhandene CAPI2032.DLL in CAPRI2032.DLL um
//erzeugen sie die neue CAPI2032.DLL und kopieren sie dieses in Ihr entsprechendes Systemverzeichnis.
//danach wird das Messaging zwischen Applikation und CAPI in der Datei c:\capi.log protokolliert.
uses
SysUtils,
Classes,
windows;
type T_CAPI_INSTALLED=function:DWord;stdcall;
type T_CAPI_GET_MANUFACTURER = Procedure(SzBuffer:pchar);stdcall;
type T_CAPI_GET_SERIAL_NUMBER=function(SzBuffer:PChar):dword;stdcall;
type T_CAPI_GET_VERSION=function(pCapiMajor,pCAPIMinor,pManufacturerMajor,pManufacturerMinor:pointer):dword;stdcall;
type T_CAPI_GET_PROFILE=function(SzBuffer:pointer;ctrlnr:DWord):DWord;stdcall;
type T_CAPI_REGISTER= function(MessageBufferSize,maxlogicalconnection,maxBDataBlocs,maxBdataLen:Dword;papplID:pointer):DWord;stdcall;
type T_CAPI_RELEASE= function(ApplID:DWORD):DWord;stdcall;
type T_CAPI_WAIT_FOR_SIGNAL= function(ApplID:DWORD):DWord;stdcall;
type T_CAPI_PUT_MESSAGE=function(applid:dword;pCAPIMessage:pointer):DWORD;stdcall;
type T_CAPI_GET_MESSAGE=function(applid:dword;pCAPIMessage:Pointer):DWORD;stdcall;
{$R *.RES}
var
WCAPI_GET_MANUFACTURER:T_CAPI_GET_MANUFACTURER;
WCAPI_REGISTER:T_CAPI_REGISTER;
WCAPI_RELEASE:T_CAPI_RELEASE;
WCAPI_PUT_MESSAGE:T_CAPI_PUT_MESSAGE;
WCAPI_WAIT_FOR_SIGNAL:T_CAPI_WAIT_FOR_SIGNAL;
WCAPI_GET_MESSAGE:T_CAPI_GET_MESSAGE;
WCAPI_GET_PROFILE:T_CAPI_GET_PROFILE;
WCAPI_INSTALLED:T_CAPI_INSTALLED;
WCAPI_GET_VERSION:T_CAPI_GET_VERSION;
WCAPI_GET_SERIAL_NUMBER:T_CAPI_GET_SERIAL_NUMBER;
capihandle:THandle;
procedure logmessage(messagetext:string);
var logfile:Textfile;
begin
assign(logfile,'c:\capi.log');
if fileexists('c:\capi.log') then append(logfile) else rewrite(logfile);
writeln(logfile,messagetext);
closefile(logfile);
end;
procedure logcapimessage(capimessage:pchar;mode:integer);
var i:integer;
length:word;
line:string;
logfile:Textfile;
begin
assign(logfile,'c:\capi.log');
if fileexists('c:\capi.log') then append(logfile) else rewrite(logfile);
writeln(logfile,'Message Begin');
if mode=1 then writeln(logfile,'CAPI_GET_MESSAGE');
if mode=0 then writeln(logfile,'CAPI_PUT_MESSAGE');
length:=byte(capimessage^)+256*byte((capimessage+1)^);
line:='';
for i:=0 to length-1 do begin
if (i mod 16=0) and (i<>0) then begin
writeln(logfile,line);
line:='';
end;
line:=line+inttohex(byte((capimessage+i)^),2)+' ';
end;
if line<>'' then writeln(logfile,line);
writeln(logfile,'Message End');
writeln(logfile);
closefile(logfile);
end;
procedure logcapimessagep(pcapimessage:pointer;mode:integer);
var capimessage:pchar;
begin
capimessage:=pointer(pcapimessage^);
if capimessage=nil then exit;
logcapimessage(capimessage,mode);
end;
function CAPI_INSTALLED:DWord;stdcall;
begin
logmessage('CAPI_INSTALLED');
result:=WCAPI_INSTALLED;
end;
procedure CAPI_GET_MANUFACTURER(SzBuffer:Pchar);stdcall;
begin
logmessage('CAPI_GET_MANUFACTURER');
WCAPI_GET_MANUFACTURER(SzBuffer);
end;
function CAPI_GET_SERIAL_NUMBER(SzBuffer:pointer):dword;stdcall;
begin
logmessage('CAPI_GET_SERIAL_NUMBER');
result:=WCAPI_GET_SERIAL_NUMBER(szbuffer);
end;
function CAPI_GET_VERSION(pCapiMajor,pCAPIMinor,pManufacturerMajor,pManufacturerMinor:pointer):dword;stdcall;
begin
logmessage('CAPI_GET_VERSION');
result:=WCAPI_GET_VERSION(pCapiMajor,pCAPIMinor,pManufacturerMajor,pManufacturerMinor);
end;
function CAPI_GET_PROFILE(SzBuffer:pointer;ctrlnr:DWord):DWord;stdcall;
begin
logmessage('CAPI_GET_PROFILE');
result:=WCAPI_GET_PROFILE(SzBuffer,ctrlnr);
end;
function CAPI_REGISTER(MessageBufferSize,maxlogicalconnection,maxBDataBlocs,maxBdataLen:Dword;papplID:pointer):DWord;stdcall;
begin
logmessage('CAPI_REGISTER');
result:=WCAPI_REGISTER(MessageBufferSize,maxlogicalconnection,maxBDataBlocs,maxBdataLen,papplID);
end;
function CAPI_RELEASE(ApplID:DWORD):DWord;stdcall;
begin
logmessage('CAPI_RELEASE');
result:=WCAPI_RELEASE(ApplID);
end;
function CAPI_WAIT_FOR_SIGNAL(ApplID:DWORD):DWord;stdcall;
begin
logmessage('CAPI_WAIT_FOR_SIGNAL');
result:=WCAPI_WAIT_FOR_SIGNAL(applid);
end;
function CAPI_PUT_MESSAGE(applid:dword;pCAPIMessage:pointer):DWORD;stdcall;
begin
logmessage('CAPI_PUT_MESSAGE');
result:=WCAPI_PUT_MESSAGE(applid,pCAPIMessage);
if result=0 then if pcapimessage<> nil then logcapimessage(pcapimessage,0);
end;
function CAPI_GET_MESSAGE(applid:dword;pCAPIMessage:Pointer):DWORD;stdcall;
begin
logmessage('CAPI_GET_MESSAGE');
result:=WCAPI_GET_MESSAGE(applid,pCAPIMessage);
if result=0 then if pcapimessage<>nil then logcapimessagep(pcapimessage,1);
end;
exports CAPI_REGISTER index 1;
exports CAPI_RELEASE index 2;
exports CAPI_PUT_MESSAGE index 3;
exports CAPI_GET_MESSAGE index 4;
exports CAPI_WAIT_FOR_SIGNAL index 5;
exports CAPI_GET_MANUFACTURER index 6;
exports CAPI_GET_VERSION index 7;
exports CAPI_GET_SERIAL_NUMBER index 8;
exports CAPI_GET_PROFILE index 9;
exports CAPI_INSTALLED index 10;
begin
capihandle:=loadlibrary('CAPRI2032.dll');
if capihandle=0 then raise exception.create('CAPI konnte nicht geladen werden.');
@WCAPI_GET_MANUFACTURER:=getprocaddress(capihandle,'CAPI_GET_MANUFACTURER');
@WCAPI_REGISTER:=getprocaddress(capihandle,'CAPI_REGISTER');
@WCAPI_RELEASE:=getprocaddress(capihandle,'CAPI_RELEASE');
@WCAPI_WAIT_FOR_SIGNAL:=getprocaddress(capihandle,'CAPI_WAIT_FOR_SIGNAL');
@WCAPI_PUT_MESSAGE:=getprocaddress(capihandle,'CAPI_PUT_MESSAGE');
@WCAPI_GET_MESSAGE:=getprocaddress(capihandle,'CAPI_GET_MESSAGE');
@WCAPI_GET_PROFILE:=getprocaddress(capihandle,'CAPI_GET_PROFILE');
@WCAPI_GET_VERSION:=getprocaddress(capihandle,'CAPI_GET_VERSION');
@WCAPI_INSTALLED:=getprocaddress(capihandle,'CAPI_INSTALLED');
@WCAPI_GET_SERIAL_NUMBER:=getprocaddress(capihandle,'CAPI_GET_SERIAL_NUMBER');
end. |
Tino
