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 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(); } }