public static int Upload(byte[] Image, PJRC_Board board, uint Serialnumber, bool reboot = true)
{
// Obtain a HalfKayed board with the required serialnumber
HidDevice device = null;
var Timeout = DateTime.Now + TimeSpan.FromSeconds(3);
while (DateTime.Now < Timeout) //Try for some time in case HalfKay is just booting up
{
var devices = HidDevices.Enumerate(0x16C0, 0x0478); // Get all boards with running HalfKay
device = devices.FirstOrDefault(x => GetSerialNumber(x) == Serialnumber); // check if the correct one is online
if (device != null)
{
break; // found it
}
Thread.Sleep(500);
}
if (device == null)
{
return(1); // Didn't find a HalfKayed board with requested serialnumber
}
var BoardDef = BoardDefinitions[board];
int addr = 0;
//Slice the flash image in dataBlocks and transfer the blocks if they are not empty (!=0xFF)
foreach (var dataBlock in Image.Batch(BoardDef.BlockSize))
{
if (dataBlock.Any(d => d != 0xFF) || addr == 0) //skip empty blocks but always write first block to erase chip
{
var report = PrepareReport(addr, dataBlock.ToArray(), BoardDef);
if (!device.WriteReport(report)) //if write fails (happens if teensy still busy) wait and retry once
{
Thread.Sleep(10);
if (!device.WriteReport(report))
{
return(2);
}
}
Thread.Sleep(addr == 0 ? 100 : 1); // First block needs more time since it erases the complete chip
}
addr += BoardDef.BlockSize;
}
// Reboot the device to start the downloaded firmware
if (reboot)
{
var rebootReport = device.CreateReport();
rebootReport.Data[0] = 0xFF;
rebootReport.Data[1] = 0xFF;
rebootReport.Data[2] = 0xFF;
device.WriteReport(rebootReport);
}
return(0); // all good
}
public static int Upload(byte[] Image, PJRC_Board board, uint Serialnumber, bool reboot = true)
{
// Obtain a HalfKayed board with the required serialnumber
HidDevice device = null;
var Timeout = DateTime.Now + TimeSpan.FromSeconds(3);
while (DateTime.Now < Timeout ) //Try for some time in case HalfKay is just booting up
{
var devices = HidDevices.Enumerate(0x16C0, 0x0478); // Get all boards with running HalfKay
device = devices.FirstOrDefault(x => GetSerialNumber(x) == Serialnumber); // check if the correct one is online
if (device != null) break; // found it
Thread.Sleep(500);
}
if (device == null) return 1; // Didn't find a HalfKayed board with requested serialnumber
var BoardDef = BoardDefinitions[board];
int addr = 0;
//Slice the flash image in dataBlocks and transfer the blocks if they are not empty (!=0xFF)
foreach (var dataBlock in Image.Batch(BoardDef.BlockSize))
{
if (dataBlock.Any(d => d != 0xFF) || addr == 0) //skip empty blocks but always write first block to erase chip
{
var report = PrepareReport(addr, dataBlock.ToArray(), BoardDef);
if (!device.WriteReport(report)) //if write fails (happens if teensy still busy) wait and retry once
{
Thread.Sleep(10);
if (!device.WriteReport(report)) return 2;
}
Thread.Sleep(addr == 0 ? 100 : 1); // First block needs more time since it erases the complete chip
}
addr += BoardDef.BlockSize;
}
// Reboot the device to start the downloaded firmware
if (reboot)
{
var rebootReport = device.CreateReport();
rebootReport.Data[0] = 0xFF;
rebootReport.Data[1] = 0xFF;
rebootReport.Data[2] = 0xFF;
device.WriteReport(rebootReport);
}
return 0; // all good
}
public bool connect()
{
var watcher = new TeensyWatcher();
teensy = watcher.ConnectedDevices
.FirstOrDefault();
if (teensy != null && !String.IsNullOrEmpty(teensy.Port))
{
try
{
port = new SerialPort(teensy.Port);
port.WriteBufferSize = 1024 * 30;
// port.WriteTimeout = 1000;
port.Open();
//port.Close();
}
catch
{
port?.Dispose();
port = null;
TeensyID = $"Can't open port {teensy.BoardId}";
return(false);
}
TeensyID = $"{teensy.BoardId} connected";
serialnumber = teensy.Serialnumber;
board = teensy.BoardType;
isConnected = true;
return(true);
}
else
{
TeensyID = $"No compatible Teensy found";
return(false);
}
}
public static byte[] GetEmptyFlashImage(PJRC_Board board)
{
int FlashSize = BoardDefinitions[board].FlashSize;
return(Enumerable.Repeat((byte)0xFF, FlashSize).ToArray());
}
public static byte[] GetEmptyFlashImage(PJRC_Board board)
{
int FlashSize = BoardDefinitions[board].FlashSize;
return Enumerable.Repeat((byte)0xFF, FlashSize).ToArray();
}
