public static void Main(string[] args)
{
var pinCS0 = GpioPin.FromNumber(25); // Pin 22 (BCM 25)
var pinCS1 = GpioPin.FromNumber(26); // Pin 37 (BCM 26)
var pinRST = GpioPin.FromNumber(16); // Pin 36 (BCM 16)
var spiSettings = new SpiConnectionSettings(busId: 0, chipSelectLine: 0);
var gpioPinMap = new Dictionary <TargetChip, ChipPinConfig>
{
[TargetChip.Board0] = new ChipPinConfig(csPin: pinCS0, resetPin: pinRST),
[TargetChip.Board1] = new ChipPinConfig(csPin: pinCS1, resetPin: pinRST),
};
using (var spiDevice = new UnixSpiDevice(spiSettings))
using (var gpioController = new GpioController(PinNumberingScheme.Logical))
using (var ymf825Device = new NativeSpi(spiDevice, gpioController, gpioPinMap))
{
var driver = new Ymf825Driver(ymf825Device);
driver.EnableSectionMode();
Console.WriteLine("Software Reset");
driver.ResetSoftware();
SetupTones(driver);
var index = 0;
var score = new[]
{
60, 62, 64, 65, 67, 69, 71, 72,
72, 74, 76, 77, 79, 81, 83, 84,
84, 83, 81, 79, 77, 76, 74, 72,
72, 71, 69, 67, 65, 64, 62, 60
};
while (true)
{
const int noteOnTime = 250;
const int sleepTime = 0;
NoteOn(driver, score[index]);
Thread.Sleep(noteOnTime);
NoteOff(driver);
Thread.Sleep(sleepTime);
if (Console.KeyAvailable)
{
break;
}
index++;
if (index >= score.Length)
{
index = 0;
}
}
driver.ResetHardware();
}
}
public MidiDriver(IList <ToneItem> toneItems, IList <EqualizerItem> equalizerItems, Ymf825Driver driver)
{
ToneItems = toneItems;
EqualizerItems = equalizerItems;
Driver = driver;
Driver.EnableSectionMode();
for (var i = 0; i < 16; i++)
{
noteOnKeys[i] = -1;
pitchBends[i] = 1.0;
corrections[i] = 1.0;
volumes[i] = 100.0 / 127.0;
toneVolumes[i] = 1.0;
lchVolumes[i] = 1.0;
rchVolumes[i] = 1.0;
expressions[i] = 1.0;
rpnMsb[i] = 127;
rpnLsb[i] = 127;
fineTune[i] = 1.0;
pitchBendWidth[i] = 2.0;
}
}
private void ConnectDevice()
{
DeviceInfo = Spi.GetDeviceInfoList()[toolStripComboBox_deviceList.SelectedIndex];
ymf825 = new CbwYmf825Bb(toolStripComboBox_deviceList.SelectedIndex);
Driver = new Ymf825Driver(ymf825);
ymf825.DataWrote += (sender, args) =>
{
registerMap.SetData(args.Address, args.Data);
};
ymf825.DataBurstWrote += (sender, args) =>
{
if (args.Data.Count <= 0)
{
return;
}
if (args.Address == 0x07)
{
registerMap.SetData(args.Address, args.Data.Last());
var toneNumber = args.Data[0] - 0x80;
if (toneNumber < 0 || toneNumber > 16 || args.Data.Count < toneNumber * 30 + 5)
{
Console.WriteLine($"Invalid BurstWrite Data - Tone Number: {toneNumber}, Data Size: {args.Data.Count} (required {toneNumber * 30 + 5})");
return;
}
for (var i = 0; i < toneNumber; i++)
{
for (var j = 0; j < 30; j++)
{
toneParameterRegisterMap[i].SetData(j, args.Data[i * 30 + j + 1]);
}
}
}
else if (args.Address >= 0x20 || args.Address <= 0x22)
{
var eq = args.Address - 0x20;
if (args.Data.Count < 5)
{
return;
}
for (var i = 0; i < 5; i++)
{
registerMap.SetData(0x23 + 3 * eq + i, args.Data[i]);
}
}
};
SpiConnected = true;
Driver.ResetHardware();
Driver.ResetSoftware();
Connected?.Invoke(this, new EventArgs());
}
private void DisconnectDevice()
{
Driver?.ResetHardware();
Driver = null;
ymf825?.Dispose();
ymf825 = null;
SpiConnected = false;
Disconnected?.Invoke(this, new EventArgs());
}
private void PitchBend(int channel, int data1, int data2)
{
var bendData = ((data2 << 7) | data1) - 8192;
pitchBends[channel] = Math.Pow(Math.Pow(2.0, pitchBendWidth[channel] / 12.0), bendData / 8192.0);
var correction = corrections[channel] * pitchBends[channel] * fineTune[channel];
Ymf825Driver.ConvertForFrequencyMultiplier(correction, out var integer, out var fraction);
Driver.Section(() =>
{
Driver.SetVoiceNumber(channel);
Driver.SetFrequencyMultiplier(integer, fraction);
});
}
private static void NoteOn(Ymf825Driver driver, int key)
{
Ymf825Driver.GetFnumAndBlock(key, out var fnum, out var block, out var correction);
Ymf825Driver.ConvertForFrequencyMultiplier(correction, out var integer, out var fraction);
var freq = Ymf825Driver.CalcFrequency(fnum, block);
Console.WriteLine($"key: {key}, freq: {freq:f1} Hz, fnum: {fnum:f0}, block: {block}, correction: {correction:f3}, integer: {integer}, fraction: {fraction}");
driver.Section(() =>
{
driver.SetVoiceNumber(0);
driver.SetVoiceVolume(15);
driver.SetFrequencyMultiplier(integer, fraction);
driver.SetFnumAndBlock((int)Math.Round(fnum), block);
driver.SetToneFlag(0, true, false, false);
});
}
private void SendNoteOn(int channel, int key, int velocity)
{
var volume = velocity / 127.0;
Ymf825Driver.GetFnumAndBlock(key, out var fnum, out var block, out var correction);
corrections[channel] = correction;
correction *= pitchBends[channel] * fineTune[channel];
Ymf825Driver.ConvertForFrequencyMultiplier(correction, out var integer, out var fraction);
Driver.Section(() =>
{
Driver.SetVoiceNumber(channel);
Driver.SetChannelVolume((int)Math.Round(volume * 31.0), false);
Driver.SetFrequencyMultiplier(integer, fraction);
Driver.SetFnumAndBlock((int)Math.Round(fnum), block);
Driver.SetToneFlag(channel, true, false, false);
});
}
private void Rpn(int channel)
{
if (rpnMsb[channel] == 0 && rpnLsb[channel] == 1)
{
var bendData = ((dataEntryMsb[channel] << 7) | dataEntryLsb[channel]) - 8192;
// precalc: Math.Pow(2.0, 2.0 / 12.0) = 1.122462048309373
fineTune[channel] = Math.Pow(Math.Pow(2.0, 2.0 / 12.0), bendData / 8192.0);
var correction = corrections[channel] * pitchBends[channel] * fineTune[channel];
Ymf825Driver.ConvertForFrequencyMultiplier(correction, out var integer, out var fraction);
Driver.Section(() =>
{
Driver.SetVoiceNumber(channel);
Driver.SetFrequencyMultiplier(integer, fraction);
});
}
if (rpnMsb[channel] == 0 && rpnLsb[channel] == 0)
{
pitchBendWidth[channel] = dataEntryMsb[channel];
}
}
private static void SetupTones(Ymf825Driver driver)
{
Console.WriteLine("Tone Init");
var tones = new ToneParameterCollection {
[0] = ToneParameter.GetSine()
};
driver.Section(() =>
{
driver.WriteContentsData(tones, 0);
driver.SetSequencerSetting(SequencerSetting.AllKeyOff | SequencerSetting.AllMute | SequencerSetting.AllEgReset |
SequencerSetting.R_FIFOR | SequencerSetting.R_SEQ | SequencerSetting.R_FIFO);
}, 1);
driver.Section(() =>
{
driver.SetSequencerSetting(SequencerSetting.Reset);
driver.SetToneFlag(0, false, true, true);
driver.SetChannelVolume(31, true);
driver.SetVibratoModuration(0);
driver.SetFrequencyMultiplier(1, 0);
});
}
private static void NoteOff(Ymf825Driver driver) => driver.Section(() => driver.SetToneFlag(0, false, false, false));
private static void Main()
{
Console.WriteLine("Image type: {0}bit", Environment.Is64BitProcess ? "64" : "32");
if (D2XxSpi.DeviceCount < 1)
{
return;
}
using (var ymf825 = SelectInterface())
{
var driver = new Ymf825Driver(ymf825);
driver.EnableSectionMode();
Console.WriteLine("Software Reset");
driver.ResetSoftware();
{
Console.WriteLine("Tone Init");
var tones = new ToneParameterCollection {
[0] = ToneParameter.GetSine()
};
driver.Section(() =>
{
driver.WriteContentsData(tones, 0);
driver.SetSequencerSetting(SequencerSetting.AllKeyOff | SequencerSetting.AllMute | SequencerSetting.AllEgReset |
SequencerSetting.R_FIFOR | SequencerSetting.R_SEQ | SequencerSetting.R_FIFO);
}, 1);
driver.Section(() =>
{
driver.SetSequencerSetting(SequencerSetting.Reset);
driver.SetToneFlag(0, false, true, true);
driver.SetChannelVolume(31, true);
driver.SetVibratoModuration(0);
driver.SetFrequencyMultiplier(1, 0);
});
}
var noteon = new Action <int>(key =>
{
Ymf825Driver.GetFnumAndBlock(key, out var fnum, out var block, out var correction);
Ymf825Driver.ConvertForFrequencyMultiplier(correction, out var integer, out var fraction);
var freq = Ymf825Driver.CalcFrequency(fnum, block);
Console.WriteLine("key: {0}, freq: {4:f1} Hz, fnum: {5:f0}, block: {6}, correction: {1:f3}, integer: {2}, fraction: {3}", key, correction, integer, fraction, freq, fnum, block);
driver.Section(() =>
{
driver.SetVoiceNumber(0);
driver.SetVoiceVolume(15);
driver.SetFrequencyMultiplier(integer, fraction);
driver.SetFnumAndBlock((int)Math.Round(fnum), block);
driver.SetToneFlag(0, true, false, false);
});
});
var noteoff = new Action(() =>
{
driver.Section(() => driver.SetToneFlag(0, false, false, false));
});
var index = 0;
var score = new[]
{
60, 62, 64, 65, 67, 69, 71, 72,
72, 74, 76, 77, 79, 81, 83, 84,
84, 83, 81, 79, 77, 76, 74, 72,
72, 71, 69, 67, 65, 64, 62, 60
};
while (true)
{
const int noteOnTime = 250;
const int sleepTime = 0;
noteon(score[index]);
Thread.Sleep(noteOnTime);
noteoff();
Thread.Sleep(sleepTime);
if (Console.KeyAvailable)
{
break;
}
index++;
if (index >= score.Length)
{
index = 0;
}
}
ymf825.InvokeHardwareReset();
}
}
private static void Run(Options options)
{
const int resolution = 1000;
const double tickSeconds = 1.0 / resolution;
const double tickMilliSeconds = tickSeconds * 1000;
var savePath = GetSavePath(options);
if (File.Exists(savePath))
{
File.Delete(savePath);
}
using (var zipArchive = ZipFile.Open(savePath, ZipArchiveMode.Create))
{
using (var fileStream = zipArchive.CreateEntry("config.json", CompressionLevel.Optimal).Open())
using (var sw = new StreamWriter(fileStream))
{
var config = new Dictionary <string, object>
{
{ "version", 0 },
{ "resolution", resolution }
};
sw.Write(JsonConvert.SerializeObject(config));
}
using (var fileStream = zipArchive.CreateEntry("dump", CompressionLevel.Optimal).Open())
using (var dumpWriter = new DumpWriter(fileStream))
{
var sequence = new Sequence(options.InputFile);
var sequencer = new Sequencer(sequence);
var ymf825DumpChip = new Ymf825DumpChip(dumpWriter);
var ymf825Driver = new Ymf825Driver(ymf825DumpChip);
var project = LoadProject(options);
var driver = new MidiDriver(project.Tones.ToArray(), project.Equalizers.ToArray(), ymf825Driver);
var stopped = false;
ymf825Driver.EnableSectionMode();
ymf825Driver.SleepAction += i =>
{
var tick = (int)Math.Ceiling(i / tickMilliSeconds);
if (dumpWriter.Disposed)
{
return;
}
dumpWriter.RealtimeWait((ushort)tick);
};
driver.Start();
sequencer.OnTrackEvent += (sender, args) =>
{
foreach (var argsEvent in args.Events)
{
driver.ProcessMidiEvent(argsEvent);
}
};
sequencer.SequenceEnd += (sender, args) => stopped = true;
sequencer.Tick = 0L;
while (!stopped)
{
sequencer.Progress(tickSeconds);
dumpWriter.Wait(1);
}
}
}
}
