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| unit Bootloader;
interface
uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, xmldom, XMLIntf, msxmldom, XMLDoc, dkAdomCore, IdBaseComponent, IdCoder, IdCoder3to4, IdCoderMIME, Pcanbasic, ExtCtrls, syncobjs ;
type TCAN_RECEIVE = class(TThread) protected procedure Execute; override; end;
type TForm1 = class(TForm) pack: TButton; unpack: TButton; Button1: TButton; DomImplementation1: TDomImplementation; XmlToDomParser1: TXmlToDomParser; XMLDoc: TXMLDocument; device_list: TListBox; Dateiinhalt: TLabel; Button2: TButton; Button3: TButton; Edit1: TEdit; Button4: TButton; Timer1: TTimer; procedure Timer1Timer(Sender: TObject); procedure Button4Click(Sender: TObject); procedure FormCreate(Sender: TObject); procedure Button3Click(Sender: TObject); procedure FormClose(Sender: TObject; var Action: TCloseAction); procedure Button2Click(Sender: TObject); procedure unpackClick(Sender: TObject); procedure Button1Click(Sender: TObject); procedure packClick(Sender: TObject);
private stsResult : TPCANStatus; m_PcanHandle : TPCANHandle; CAN_RECEIVE: TCAN_RECEIVE; m_hEvent : THandle; testcount : integer; FBufferCritSect: TCriticalSection; can_status : TPCANStatus; public procedure Processmessage(indication: boolean); end;
var Form1: TForm1; testvar : integer; const CT64: array[0..63] of ansichar = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
implementation
{$R *.dfm} uses can, uTBase64;
procedure TForm1.Processmessage(indication: boolean); begin FBufferCritSect.Enter; try begin if indication then begin inc(testvar); edit1.Text := inttostr(testvar); end else begin dec(testvar); edit1.Text := inttostr(testvar); end; end; finally FBufferCritSect.Leave; end; end;
procedure TCAN_RECEIVE.Execute; var can_status : TPCANStatus; strMsg: array [0..256] of Char; msg: TPCANMsg; begin try can_status := TPCANBasic.SetValue(Form1.m_PcanHandle, PCAN_RECEIVE_EVENT ,PLongWord(@Form1.m_hEvent), sizeof(Form1.m_hEvent));
repeat if (WaitForSingleObject(Form1.m_hEvent, INFINITE) = WAIT_OBJECT_0) then begin can_status := TPCANBasic.Read(Form1.m_PcanHandle, msg); If (can_status = PCAN_ERROR_OK) Then begin inc(form1.testcount); Form1.Processmessage(true);
end ; end; until ((LongWord(can_status) AND LongWord(PCAN_ERROR_QRCVEMPTY)) <> 0);
except on e: exception do begin end; end; end;
function GetFormatedError(error: TPCANStatus) : AnsiString; var status : TPCANStatus; buffer : array[0..255] of Ansichar; begin status := TPCANBasic.GetErrorText(error, 0, buffer); if(status <> PCAN_ERROR_OK) then result := Format('An error ocurred. Error-code''s text (%Xh) couldn''t be retrieved', [Integer(error)]) else result := buffer; end;
procedure TForm1.Button2Click(Sender: TObject); var strTemp : AnsiString;
begin strTemp := 'PCAN_USB 1 (51h)';
strTemp := Copy(strTemp, Pos('(',strTemp) + 1, 2); m_PcanHandle := TPCANHandle(StrToInt('0x'+strTemp)); stsResult := TPCANBasic.Initialize(m_PcanHandle, PCAN_BAUD_250K,PCAN_TYPE_ISA, StrToInt('0x'+'0100'), StrToInt('0x'+'3'));
if (stsResult <> PCAN_ERROR_OK) then MessageBox(0, PChar(GetFormatedError(stsResult)), 'Error!',MB_ICONERROR) else CAN_RECEIVE.Resume; end;
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction); begin tpcanbasic.Uninitialize(PCAN_USBBUS1); FBufferCritSect.Free; end;
procedure TForm1.Button3Click(Sender: TObject); var CANMsg : TPCANMsg; begin CANMsg.ID := 2; CANMsg.MSGTYPE := PCAN_MESSAGE_EXTENDED; CANMsg.LEN := 8; CANMsg.DATA[0] := StrToInt('0x' + '35'); CANMsg.DATA[1] := StrToInt('0x' + '36'); CANMsg.DATA[2] := StrToInt('0x' + '38'); CANMsg.DATA[3] := StrToInt('0x' + '40'); CANMsg.DATA[4] := StrToInt('0x' + '41'); CANMsg.DATA[5] := StrToInt('0x' + '45'); CANMsg.DATA[6] := StrToInt('0x' + '46'); CANMsg.DATA[7] := StrToInt('0x' + '47');
stsResult := tpcanbasic.Write(m_PcanHandle,CANMsg) ; if (stsResult <> PCAN_ERROR_OK) then MessageBox(0, PChar(GetFormatedError(stsResult)), 'Error!',MB_ICONERROR) ; if Timer1.Enabled then timer1.Enabled := false else timer1.Enabled := true; end;
procedure TForm1.FormCreate(Sender: TObject); begin CAN_RECEIVE := TCAN_RECEIVE.Create(True); CAN_RECEIVE.FreeOnTerminate := True; m_hEvent := CreateEvent(nil, False, False, ''); FBufferCritSect := TCriticalSection.Create; end;
procedure TForm1.Button4Click(Sender: TObject); var result : TPCANStatus; strMsg: array [0..256] of Char; msg: TPCANMsg; begin repeat result := TPCANBasic.Read(m_PcanHandle, msg); If (result = PCAN_ERROR_OK) Then begin MessageBox(0,'A message was received','Success', MB_OK); showmessage(inttostr(msg.DATA[0])); end else begin TPCANBasic.GetErrorText(result, 0, strMsg); MessageBox(0, strMsg, 'Error',MB_OK); end; until ((TPCANStatus(Integer(result) AND Integer(PCAN_ERROR_QRCVEMPTY))) = PCAN_ERROR_QRCVEMPTY);
end;
procedure TForm1.Timer1Timer(Sender: TObject); var CANMsg : TPCANMsg; begin CANMsg.ID := 2; CANMsg.MSGTYPE := PCAN_MESSAGE_EXTENDED; CANMsg.LEN := 8; CANMsg.DATA[0] := StrToInt('0x' + '35'); CANMsg.DATA[1] := StrToInt('0x' + '36'); CANMsg.DATA[2] := StrToInt('0x' + '38'); CANMsg.DATA[3] := StrToInt('0x' + '40'); CANMsg.DATA[4] := StrToInt('0x' + '41'); CANMsg.DATA[5] := StrToInt('0x' + '45'); CANMsg.DATA[6] := StrToInt('0x' + '46'); CANMsg.DATA[7] := StrToInt('0x' + '47');
can_status := tpcanbasic.Write(m_PcanHandle,CANMsg) ; if (can_status <> PCAN_ERROR_OK) then begin Timer1.Enabled := false; MessageBox(0, PChar(GetFormatedError(can_status)), 'Error!',MB_ICONERROR); end; If (can_status = PCAN_ERROR_OK) Then Processmessage(false); end;
end. |