private void btnProgram_Click(object sender, RoutedEventArgs e)
{
var eep = new eeprom.eep_config();
SyncConfigToUI(ref current_cfg);
eeprom.GenerateEEPROMConfig(current_cfg, out eep);
}
/* read config from first connected device */
/* returns null on failure */
public config Read()
{
var loader = new HidDeviceLoader();
var device = loader.GetDevices(0x1234, 0x9876).First();
HidStream stream;
if (!device.TryOpen(out stream))
return null;
if (!CheckBootloader(stream))
return null;
// read EEPROM
var result = ExecuteHIDCommand(stream, (int)BootloaderCommands.READ_EEPROM, 0);
if (result == null)
return null;
if (result.Length != (4 + 32)) // header + one EEPROM page
{
Console.WriteLine("Incorrect size response from bootloader.");
return null;
}
// marshall the bytes from result into a new eep_config object
var eep = new eeprom.eep_config();
int size = Marshal.SizeOf(eep);
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.Copy(result, 4, ptr, size);
eep = (eeprom.eep_config)Marshal.PtrToStructure(ptr, typeof(eeprom.eep_config));
Marshal.FreeHGlobal(ptr);
// test EEPROM config and convert to config
string error_message;
var cfg = eeprom.DecodeEEPROMConfig(eep, out error_message);
if (cfg == null)
{
Console.WriteLine(error_message);
return null;
}
return cfg;
}