private void Work()
{
while (true)
{
while (mSuspend)
{
Thread.Sleep(100);
}
EAccordeon.MidiHelper.ResetDevice();
if (mVirtialStateSequence == null)
{
if (mSelectedPiese == null)
{
continue;
}
mVirtialStateSequence = mSelectedPiese.Sequience;
}
foreach (var s in mVirtialStateSequence)
{
if (mSuspend)
{
break;
}
EAccordeon.HandleKeys(s.PressureCode, s.RightKeysState, s.LeftVoicesState);
Thread.Sleep(s.Duration_ms);
}
}
}
public MidiControllerVirtual(EAccordeon eAccordeon)
: base(eAccordeon)
{
mSuspend = true;
mVirtualTask = Task.Factory.StartNew(Work);
mSelectedPiese = VirtualPieses.DefaultPiese;
}
public MidiControllerSerial(EAccordeon eAccordeon)
: base(eAccordeon)
{
mPort = new SerialPort();
mPort.ReadTimeout = 1000;
try { mPort.BaudRate = Properties.Settings.Default.SerialportController_BaudRate; }
catch { }
try { mPort.PortName = Properties.Settings.Default.SerialportController_PortName; }
catch { }
mPortListenerTask = Task.Factory.StartNew(ListenSerial);
}
public MidiControllerBase(EAccordeon eAccordeon)
{
this.eAccordeon = eAccordeon;
}
private void ListenSerial()
{
const int packetSize = 1 + 2 + 8 + 8 + 1 + 1;
byte[] packetData = new byte[packetSize];
UInt16 pressure = 0;
AccordeonRightKeys rightKeysState = AccordeonRightKeys.None;
UInt64 leftVoicesState = 0;
while (true)
{
// Если порт закрыт, то ждем когда откроется
while (!mPort.IsOpen)
{
Thread.Sleep(100);
DebugText = "Offline";
}
// Блокировка нужна, чтобы не возникало казусов при открытии и закрытии порта
lock (mPort)
{
try
{
var readed = 0;
packetData[0] = 0;
while (packetData[0] != 0x5B)
{
readed = mPort.Read(packetData, 0, 1);
}
while (readed < packetSize)
{
readed += mPort.Read(packetData, readed, packetSize - readed);
}
}
catch (TimeoutException)
{
mPort.DiscardInBuffer();
mPort.DiscardOutBuffer();
DebugText = "timeout";
continue;
}
catch
{
DebugText = "IO Error";
continue;
}
var startByte = packetData[0];
var endByte = packetData[packetData.Length - 1];
// Проверка контрольных сумм
if (startByte != 0x5B || endByte != 0x5E)
{
EAccordeon.MidiHelper.ResetDevice();
mPort.DiscardInBuffer();
mPort.DiscardOutBuffer();
DebugText = "Checksum error";
continue;
}
int offset = 1;
pressure = BitConverter.ToUInt16(packetData, offset);
offset += sizeof(UInt16);
rightKeysState = (AccordeonRightKeys)BitConverter.ToUInt64(packetData, offset);
offset += sizeof(ulong);
leftVoicesState = BitConverter.ToUInt64(packetData, offset);
offset += sizeof(ulong);
var pressedKey = System.Text.Encoding.ASCII.GetChars(packetData, offset, 1)[0];
var pressedKeyCode = (int)pressedKey;
byte bPressure = EAccordeon.TransformPressure(pressure);
EAccordeon.HandleKeys(bPressure, rightKeysState, leftVoicesState);
DebugText = $"pressure={pressure}; rightKeysState={rightKeysState}; leftVoicesState={leftVoicesState}; pressedKey={pressedKey} ({pressedKeyCode})";
}
}
}