ok6410 LED/GPIO 控制 C#程序

原来的版本是c++的,我不太会,修改成了c#的，能用。

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.Runtime.InteropServices;

using System.Threading;

namespace DeviceApplication2

{

public partial class Form1 : Form

{

//DeviceIoControl在C#中的引用和定义

[DllImport("Coredll.dll", EntryPoint = "DeviceIoControl", SetLastError = true)]

internal static extern int DeviceIoControl(

IntPtr hDevice,

uint dwIoControlCode,

uint[] lpInBuffer,

int nInBufferSize,

byte[] lpOutbuffer,

int nOutBufferSize,

ref int lpByteReturned,

IntPtr lpOverlapped

);

[DllImport("Coredll.dll", EntryPoint = "CreateFile", CharSet = CharSet.Unicode)]

private static extern IntPtr CreateFile(

string lpFileName,

uint dwDesireAccess,

int dwShareMode,

int lpSecurityAttributes,

int dwCreationDisposition,

int dwFlagsAndAttributes,

int hTemplateFile

);

[DllImport("Coredll.dll", EntryPoint = "CloseHandle",SetLastError = true)]

static extern int CloseHandle(IntPtr hObject);

private const uint GENERIC_READ = 0x80000000;

private const uint GENERIC_WRITE = 0x40000000;

private const uint FILE_SHARE_READ = 0x00000001;

private const uint FILE_SHARE_WRITE = 0x00000002;

private const int OPEN_EXISTING = 3;

private const int FILE_FLAG_RANDOM_ACCESS = 0x10000000;

public Form1()

{

InitializeComponent();

}

private void button1_Click(object sender, EventArgs e)

{

IntPtr hLed = new IntPtr();

int bytesReturned = 0;

//HANDLE hLed;

hLed = CreateFile("LED1:", GENERIC_READ | GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);

if (hLed == (IntPtr)(-1))

{

//暂时不处理

//Console.WriteLine("连接GPIO设备失败");

}

else

{

uint[] data = new uint[1];

data[0] = 0x04001060;

DeviceIoControl(hLed, 0x04001060, null, sizeof(uint), null, 0, ref bytesReturned, IntPtr.Zero);

for (int j = 0; j < 60000; j++)

{

for (int k = 0; k < 200; k++)

{ }

}

data[0] = 0x04001061;

DeviceIoControl(hLed, 0x04001061, null, sizeof(uint), null, 0, ref bytesReturned, IntPtr.Zero);

for (int j = 0; j < 60000; j++)

{

for (int k = 0; k < 200; k++)

{ }

}

data[0] = 0x04001070;

DeviceIoControl(hLed, 0x04001070, null, sizeof(uint), null, 0, ref bytesReturned, IntPtr.Zero);

for (int j = 0; j < 60000; j++)

{

for (int k = 0; k < 200; k++)

{ }

}

data[0] = 0x04001071;

DeviceIoControl(hLed, 0x04001071, null, sizeof(uint), null, 0, ref bytesReturned, IntPtr.Zero);

for (int j = 0; j < 60000; j++)

{

for (int k = 0; k < 200; k++)

{ }

}

data[0] = 0x04001080;

DeviceIoControl(hLed, 0x04001080, null, sizeof(uint), null, 0, ref bytesReturned, IntPtr.Zero);

for (int j = 0; j < 60000; j++)

{

for (int k = 0; k < 200; k++)

{ }

}

data[0] = 0x04001081;

DeviceIoControl(hLed, 0x04001081, null, sizeof(uint), null, 0, ref bytesReturned, IntPtr.Zero);

for (int j = 0; j < 60000; j++)

{

for (int k = 0; k < 200; k++)

{ }

}

data[0] = 0x04001090;

DeviceIoControl(hLed, 0x04001090, null, sizeof(uint), null, 0, ref bytesReturned, IntPtr.Zero);

for (int j = 0; j < 60000; j++)

{

for (int k = 0; k < 200; k++)

{ }

}

data[0] = 0x04001091;

DeviceIoControl(hLed, 0x04001091, null, sizeof(uint), null, 0, ref bytesReturned, IntPtr.Zero);

}

}

}

}