private void timer1_Tick(object sender, EventArgs e)
{
Int32 IOBufSize = 640;
Byte[] IOBuf = new Byte[IOBufSize];
Byte[] IOBuf1 = new Byte[153600];
Int32 BytesSucceed = 0;
Int32 BytesWriteRequest = IOBufSize - 639;
Int32 BytesReadRequest = IOBufSize;
Bitmap CurBitmap = (Bitmap)pictureBox1.Image;
Rectangle rect = new Rectangle(0, 0, CurBitmap.Width, CurBitmap.Height);
for (int i = 0; i < 240; i++)
{
IOBuf[0] = 0x03;
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_Write(C8051fUSBCameraDLL.hUSBDevice, ref IOBuf[0], BytesWriteRequest, ref BytesSucceed, 0);
BytesSucceed = 0;
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_Read(C8051fUSBCameraDLL.hUSBDevice, ref IOBuf[0], BytesReadRequest, ref BytesSucceed, 0);
if ((BytesSucceed != BytesReadRequest) || (C8051fUSBCameraDLL.Status != C8051fUSBCameraDLL.SI_SUCCESS))
{
MessageBox.Show("Error writing to USB. Read " + BytesSucceed.ToString() + " of " + BytesReadRequest.ToString() + " bytes. Application is aborting. Reset hardware and try again.");
Application.Exit();
}
for (int j = 0; j < 640; j++)
{
IOBuf1[640 * i + j] = IOBuf[j];
}
}
USBCameraDLL.CameraDrawpicture.Draw_picture(320, 240, IOBuf1, CurBitmap, pictureBox1);
}
private void 关闭usb_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_Close(C8051fUSBCameraDLL.hUSBDevice);
comboBox_Device.Items.Clear();
usb传图.Enabled = false;
usb连续传输图像.Enabled = false;
}
private void Form1_Load(object sender, EventArgs e)
{
int DevNum = 0;
StringBuilder DevStr = new StringBuilder(C8051fUSBCameraDLL.SI_MAX_DEVICE_STRLEN);
int i;
comboBox_Device.Items.Clear();
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_GetNumDevices(ref DevNum);
if (C8051fUSBCameraDLL.Status == C8051fUSBCameraDLL.SI_SUCCESS)
{
for (i = 0; i < DevNum; i++)
{
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_GetProductString(i, DevStr, C8051fUSBCameraDLL.SI_RETURN_SERIAL_NUMBER);
comboBox_Device.Items.Insert(i, DevStr);
}
this.comboBox_Device.SelectedIndex = 0;
}
else
{
MessageBox.Show("Error finding USB device. Aborting application.");
}
}
private void 打开usb_Click(object sender, EventArgs e)
{
int DevNum = 0;
StringBuilder DevStr = new StringBuilder(C8051fUSBCameraDLL.SI_MAX_DEVICE_STRLEN);
int i;
comboBox_Device.Items.Clear();
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_GetNumDevices(ref DevNum);
if (C8051fUSBCameraDLL.Status == C8051fUSBCameraDLL.SI_SUCCESS)
{
for (i = 0; i < DevNum; i++)
{
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_GetProductString(i, DevStr, C8051fUSBCameraDLL.SI_RETURN_SERIAL_NUMBER);
comboBox_Device.Items.Insert(i, DevStr);
}
this.comboBox_Device.SelectedIndex = 0; // then set combo list to first item
}
else
{
MessageBox.Show("Error finding USB device. Aborting application.");
Application.Exit();
}
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_Close(C8051fUSBCameraDLL.hUSBDevice);
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_SetTimeouts(300, 300);
C8051fUSBCameraDLL.Status = C8051fUSBCameraDLL.SI_Open(comboBox_Device.SelectedIndex, ref C8051fUSBCameraDLL.hUSBDevice);
if (C8051fUSBCameraDLL.Status != C8051fUSBCameraDLL.SI_SUCCESS)
{
MessageBox.Show("Error opening device: " + comboBox_Device.Text + ". Application is aborting. Reset hardware and try again.");
Application.Exit();
}
usb传图.Enabled = true;
usb连续传输图像.Enabled = true;
}
