/// <summary>
/// Internal constructor.
/// </summary>
internal Teensy(TeensyFactory factory,
TeensyTypes teensyType,
string portName,
uint serialNumber,
UsbTypes usbType)
{
// ReSharper disable once JoinNullCheckWithUsage
if (factory == null)
{
throw new TeensyException(
$"It is not possible to create a {Constants.TeensyWord} object without an owner TeensyFactory.");
}
if (usbType == UsbTypes.Disconnected)
{
throw new TeensyException(
$"It is not possible to create a {Constants.TeensyWord} object in a disconnected state.");
}
if (serialNumber == 0)
{
throw new TeensyException(
$"It is not possible to create a {Constants.TeensyWord} object without a serial number.");
}
TeensyType = CheckType(teensyType);
Factory = factory;
_portName = portName;
SerialNumber = serialNumber;
UsbType = usbType;
}
/// <summary>
/// Change the internal state. Returns true if something actually changed.
/// </summary>
internal bool ChangeState(UsbTypes usbType,
string portName)
{
var result = UsbType != usbType || _portName != portName;
if (result)
{
_portName = portName;
if (UsbType != usbType)
{
UsbType = usbType;
switch (usbType)
{
case UsbTypes.Bootloader:
{
UsbTypeBootloaderReady.Set();
ProvideFeedback(
$"{Constants.TeensyWord} Bootloader Running");
break;
}
case UsbTypes.Disconnected:
{
ProvideFeedback(
$"{Constants.TeensyWord} Disconnected");
break;
}
case UsbTypes.Serial:
{
UsbTypeSerialReady.Set();
ProvideFeedback($"{Constants.TeensyWord} Connected");
break;
}
}
}
ConnectionStateChanged?.Invoke(this);
}
return(result);
}
