protected byte[] ReadRAW(int cmd, int addr)
{
if (this.IsOpen())
{
byte[] buff = new byte[64];
byte[] buffer = new byte[64];
uint numbytes = 0;
int i;
int nbytes = 0;
USBXpress.ReturnCodes ret = USBXpress.ReturnCodes.SI_SUCCESS;
ClearInputBuffer(handle);
buffer[0] = (byte)'F';
buffer[1] = (byte)'R';
buffer[2] = (byte)'M';
buffer[3] = (byte)cmd;
buffer[4] = (byte)(addr & 0xff);
buffer[5] = (byte)((addr >> 8) & 0xff);
for (i = 4; i < 64; i++)
{
buffer[i] = 0;
}
usbXpress.SI_Write(handle, buffer, OLEN, ref nbytes, 0);
USBXpress.RXQueueStatus queueStatus = USBXpress.RXQueueStatus.SI_RX_EMPTY;
numbytes = 0;
for (i = 0; i < 50 && numbytes < ILEN; i++)
{
usbXpress.SI_CheckRXQueue(handle, ref numbytes, ref queueStatus);
Thread.Sleep(20);
}
ret = usbXpress.SI_Read(handle, buffer, 64, ref nbytes, 0);
for (i = 0; i < 64; i++)
{
buff[i] = buffer[i];
}
if (ret != USBXpress.ReturnCodes.SI_SUCCESS)
{
isOpen = false;
}
return(buff);
}
else
{
return(null);
}
}
