unit1.cpp

并口测试程序

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Unit1.h"
#include "winio.h"
#include "Unit2.h"
#include "About.h"
#include "Unit3.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
        int nPulseHigh, nPulseLow, nOutput = 0, nInput = 0;
        AnsiString sInput;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
        InitializeWinIo();       
        sInput = IntToBin(inportb(0x379));
        LabeledEdit4->Text = sInput[29];
        LabeledEdit5->Text = sInput[28];
        LabeledEdit6->Text = sInput[27];
        LabeledEdit7->Text = sInput[26];
        LabeledEdit8->Text = sInput[25];
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
        outportb(0x378,0x00);
}
//---------------------------------------------------------------------------


void __fastcall TForm1::Button3Click(TObject *Sender)
{
        outportb(0x378,0xFF);
}
//---------------------------------------------------------------------------

void __fastcall TForm1::FormClose(TObject *Sender, TCloseAction &Action)
{
        Application->Terminate();
        ShutdownWinIo();
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button4Click(TObject *Sender)
{
        if(nOutput == 0)
        {
                nOutput                 = 1;
                GroupBox1->Enabled      = false;
                Button4->Caption        = "停止";
                new TOutputThread(true);
        }
        else
        {
                nOutput                 = 0;
                GroupBox1->Enabled      = true;
                Button4->Caption        = "输出脉冲";
        }
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Edit1Change(TObject *Sender)
{
        Edit1->Text = abs(Edit1->Text.ToIntDef(200));
        if(Edit1->Text.ToInt() < 2)
                Edit1->Text = 2;
        if(Edit1->Text.ToInt() <= Edit2->Text.ToInt())
                Edit2->Text = Edit1->Text.ToInt() - 1;
        nPulseHigh = Edit2->Text.ToInt();
        Label4->Caption = Edit1->Text.ToInt() - Edit2->Text.ToInt();
        nPulseLow = Label4->Caption.ToInt();
        Label6->Caption = 1000000/Edit1->Text.ToInt();
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Edit2Change(TObject *Sender)
{
        Edit2->Text = abs(Edit2->Text.ToIntDef(100));
        if(Edit2->Text.ToInt() < 1)
                Edit2->Text = 1;
        if(Edit1->Text.ToInt() <= Edit2->Text.ToInt())
                Edit2->Text = Edit1->Text.ToInt() - 1;
        nPulseHigh = Edit2->Text.ToInt();
        Label4->Caption = Edit1->Text.ToInt() - Edit2->Text.ToInt();
        nPulseLow = Label4->Caption.ToInt();
        Label6->Caption = 1000000/Edit1->Text.ToInt();
}
//---------------------------------------------------------------------------

void __fastcall TForm1::About1Click(TObject *Sender)
{
        AboutBox->ShowModal();
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button2Click(TObject *Sender)
{
        if(nInput == 0)
        {
                nInput                 = 1;
                GroupBox2->Enabled      = false;
                Button2->Caption        = "停止";
                new TInputThread(true);
        }
        else
        {
                nInput                 = 0;
                GroupBox2->Enabled      = true;
                Button2->Caption        = "获取电平";
        }
}
//---------------------------------------------------------------------------