private void btnRd_Click(object sender, EventArgs e)
{
byte[] buf = new byte[4];
if (hdev != IntPtr.Zero)
{
OZY.Read_SPI(hdev, 0, 0x02, OZY.SPI_EN_FPGA, (OZY.SPI_FMT_MSB | OZY.SPI_FMT_HDR_1), ref buf);
}
for (int i = 0; i < buf.Length; i++)
{
listBox1.Items.Add(buf[i]);
}
}
int readStatusSPI(IntPtr usb_dev_handle)
{
int rc;
byte[] buf = new byte[1];
buf[0] = 0x00;
byte addr = 0x43;
if ((OZY.Read_SPI(usb_dev_handle, 0, addr, OZY.SPI_EN_FPGA, OZY.SPI_FMT_MSB | OZY.SPI_FMT_HDR_1, ref buf)))
{
Console.WriteLine("Read from address " + addr.ToString("X") + " : " + buf[0].ToString("X"));
Console.WriteLine("");
rc = buf[0];
}
else
{
Console.WriteLine("Failed to read address " + addr);
rc = -1;
}
return(rc);
}
static void Main(string[] args)
{
if ((args.Length != 3) || (args.Length == 0))
{
Console.WriteLine("usage: read_SPI <VID> <PID> <address in hex>");
return;
}
if (args[0].Length > 2)
{
if (args[0].Substring(0, 2) != "0x")
{
Console.WriteLine("You must specify VID in Hex (0x0)");
return;
}
else
{
args[0] = args[0].Substring(2);
}
}
else
{
Console.WriteLine("You must specify VID in Hex (0x0)");
return;
}
int vid = int.Parse(args[0], NumberStyles.HexNumber);
if (args[1].Length > 2)
{
if (args[1].Substring(0, 2) != "0x")
{
Console.WriteLine("You must specify PID in Hex (0x0)");
return;
}
else
{
args[1] = args[1].Substring(2);
}
}
else
{
Console.WriteLine("You must specify PID in Hex (0x0)");
return;
}
int pid = int.Parse(args[1], NumberStyles.HexNumber);
if (args[2].Length > 2)
{
if (args[2].Substring(0, 2) != "0x")
{
Console.WriteLine("You must specify addr in Hex (0x0)");
return;
}
else
{
args[2] = args[2].Substring(2);
}
}
else
{
Console.WriteLine("You must specify addr in Hex (0x0)");
return;
}
int addr = int.Parse(args[2], NumberStyles.HexNumber);
libUSB_Interface.usb_init();
Console.WriteLine("finding busses...");
libUSB_Interface.usb_find_busses();
Console.WriteLine("finding devices...");
libUSB_Interface.usb_find_devices();
Console.WriteLine("usb_get_busses...");
libUSB_Interface.usb_bus bus = libUSB_Interface.usb_get_busses();
Console.WriteLine("bus location: " + bus.location.ToString());
Console.WriteLine("Checking for VID PID...");
libUSB_Interface.usb_device fdev = USB.FindDevice(bus, vid, pid);
if (fdev != null)
{
Console.WriteLine("Found VID PID: " + vid.ToString("x") + " " + pid.ToString("x"));
}
else
{
Console.WriteLine("did not find VID PID: " + vid.ToString("x") + " " + pid.ToString("x"));
return;
}
Console.WriteLine("Trying to open device...");
IntPtr usb_dev_handle = libUSB_Interface.usb_open(fdev);
Console.WriteLine("Device handle is: " + usb_dev_handle.ToString());
byte[] buf = new byte[1];
buf[0] = 0x00;
addr = addr | 0x40;
if ((OZY.Read_SPI(usb_dev_handle, 0, (byte)addr, OZY.SPI_EN_FPGA, OZY.SPI_FMT_MSB | OZY.SPI_FMT_HDR_1, ref buf)))
{
Console.WriteLine("Read from address " + addr.ToString("X") + " : " + buf[0].ToString("X"));
Console.WriteLine("");
}
else
{
Console.WriteLine("Failed to read address " + addr);
}
Console.WriteLine("Closing device...");
libUSB_Interface.usb_close(usb_dev_handle);
Console.WriteLine("done...");
}