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..."); }