Rewritten in go
This commit is contained in:
starcalc
parent
17e03820ec
commit
58d4082d9e
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@ -0,0 +1,17 @@
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module git.ctdo.de/interfisch/bananenkeyboard
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go 1.19
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require (
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github.com/faiface/beep v1.1.0
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github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07
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)
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require (
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github.com/hajimehoshi/oto v0.7.1 // indirect
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github.com/pkg/errors v0.9.1 // indirect
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golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8 // indirect
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golang.org/x/image v0.0.0-20190227222117-0694c2d4d067 // indirect
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golang.org/x/mobile v0.0.0-20190415191353-3e0bab5405d6 // indirect
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golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756 // indirect
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)
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@ -0,0 +1,39 @@
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github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
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github.com/d4l3k/messagediff v1.2.2-0.20190829033028-7e0a312ae40b/go.mod h1:Oozbb1TVXFac9FtSIxHBMnBCq2qeH/2KkEQxENCrlLo=
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github.com/faiface/beep v1.1.0 h1:A2gWP6xf5Rh7RG/p9/VAW2jRSDEGQm5sbOb38sf5d4c=
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github.com/faiface/beep v1.1.0/go.mod h1:6I8p6kK2q4opL/eWb+kAkk38ehnTunWeToJB+s51sT4=
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github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
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github.com/gdamore/tcell v1.3.0/go.mod h1:Hjvr+Ofd+gLglo7RYKxxnzCBmev3BzsS67MebKS4zMM=
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github.com/go-audio/audio v1.0.0/go.mod h1:6uAu0+H2lHkwdGsAY+j2wHPNPpPoeg5AaEFh9FlA+Zs=
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github.com/go-audio/riff v1.0.0/go.mod h1:l3cQwc85y79NQFCRB7TiPoNiaijp6q8Z0Uv38rVG498=
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github.com/go-audio/wav v1.0.0/go.mod h1:3yoReyQOsiARkvPl3ERCi8JFjihzG6WhjYpZCf5zAWE=
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github.com/hajimehoshi/go-mp3 v0.3.0/go.mod h1:qMJj/CSDxx6CGHiZeCgbiq2DSUkbK0UbtXShQcnfyMM=
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github.com/hajimehoshi/oto v0.6.1/go.mod h1:0QXGEkbuJRohbJaxr7ZQSxnju7hEhseiPx2hrh6raOI=
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github.com/hajimehoshi/oto v0.7.1 h1:I7maFPz5MBCwiutOrz++DLdbr4rTzBsbBuV2VpgU9kk=
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github.com/hajimehoshi/oto v0.7.1/go.mod h1:wovJ8WWMfFKvP587mhHgot/MBr4DnNy9m6EepeVGnos=
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github.com/icza/bitio v1.0.0/go.mod h1:0jGnlLAx8MKMr9VGnn/4YrvZiprkvBelsVIbA9Jjr9A=
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github.com/icza/mighty v0.0.0-20180919140131-cfd07d671de6/go.mod h1:xQig96I1VNBDIWGCdTt54nHt6EeI639SmHycLYL7FkA=
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github.com/jfreymuth/oggvorbis v1.0.1/go.mod h1:NqS+K+UXKje0FUYUPosyQ+XTVvjmVjps1aEZH1sumIk=
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github.com/jfreymuth/vorbis v1.0.0/go.mod h1:8zy3lUAm9K/rJJk223RKy6vjCZTWC61NA2QD06bfOE0=
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github.com/lucasb-eyer/go-colorful v1.0.2/go.mod h1:0MS4r+7BZKSJ5mw4/S5MPN+qHFF1fYclkSPilDOKW0s=
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github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
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github.com/mewkiz/flac v1.0.7/go.mod h1:yU74UH277dBUpqxPouHSQIar3G1X/QIclVbFahSd1pU=
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github.com/mewkiz/pkg v0.0.0-20190919212034-518ade7978e2/go.mod h1:3E2FUC/qYUfM8+r9zAwpeHJzqRVVMIYnpzD/clwWxyA=
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github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
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github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07 h1:UyzmZLoiDWMRywV4DUYb9Fbt8uiOSooupjTq10vpvnU=
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github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07/go.mod h1:kDXzergiv9cbyO7IOYJZWg1U88JhDg3PB6klq9Hg2pA=
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golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8 h1:idBdZTd9UioThJp8KpM/rTSinK/ChZFBE43/WtIy8zg=
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golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
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golang.org/x/image v0.0.0-20190220214146-31aff87c08e9/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
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golang.org/x/image v0.0.0-20190227222117-0694c2d4d067 h1:KYGJGHOQy8oSi1fDlSpcZF0+juKwk/hEMv5SiwHogR0=
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golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
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golang.org/x/mobile v0.0.0-20190415191353-3e0bab5405d6 h1:vyLBGJPIl9ZYbcQFM2USFmJBK6KI+t+z6jL0lbwjrnc=
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golang.org/x/mobile v0.0.0-20190415191353-3e0bab5405d6/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
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golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20190429190828-d89cdac9e872/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756 h1:9nuHUbU8dRnRRfj9KjWUVrJeoexdbeMjttk6Oh1rD10=
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golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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@ -0,0 +1,165 @@
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package main
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import (
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"github.com/faiface/beep"
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"github.com/faiface/beep/effects"
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"github.com/faiface/beep/speaker"
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"github.com/faiface/beep/wav"
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"github.com/tarm/serial"
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"log"
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"math"
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"os"
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"sync"
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"time"
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)
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var sounds = []*beep.Buffer{
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mustLoadStream("./mini_grand/mini_grand-001.wav"),
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mustLoadStream("./mini_grand/mini_grand-003.wav"),
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mustLoadStream("./mini_grand/mini_grand-005.wav"),
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mustLoadStream("./mini_grand/mini_grand-006.wav"),
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mustLoadStream("./mini_grand/mini_grand-008.wav"),
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mustLoadStream("./mini_grand/mini_grand-010.wav"),
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mustLoadStream("./mini_grand/mini_grand-012.wav"),
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mustLoadStream("./mini_grand/mini_grand-013.wav"),
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}
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func mustLoadStream(p string) *beep.Buffer {
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f, err := os.Open(p)
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if err != nil {
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log.Fatal(err)
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}
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defer f.Close()
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streamer, format, err := wav.Decode(f)
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if err != nil {
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log.Fatal(err)
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}
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defer streamer.Close()
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newFormat := format
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newFormat.SampleRate = format.SampleRate / 4
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resample := beep.Resample(4, format.SampleRate, newFormat.SampleRate, streamer)
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buffer := beep.NewBuffer(newFormat)
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buffer.Append(resample)
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return buffer
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}
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type soundWorker struct {
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buffer *beep.Buffer
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ctrl *beep.Ctrl
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volume *effects.Volume
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isRunning bool
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isStopping bool
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forceEnd bool
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mtx sync.Mutex
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}
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func (w *soundWorker) End() {
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w.isStopping = true
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w.mtx.Lock()
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defer w.mtx.Unlock()
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i := 1
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for w.isRunning {
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if i >= 80 || w.forceEnd {
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break
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}
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w.volume.Volume = float64(1) / math.Pow(10, float64(i))
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i++
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}
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w.isRunning = false
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w.isStopping = false
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w.forceEnd = false
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w.ctrl.Paused = true
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}
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func (w *soundWorker) Start() {
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if w.isRunning {
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w.forceEnd = true
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}
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w.mtx.Lock()
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defer w.mtx.Unlock()
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w.isRunning = true
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w.ctrl.Streamer.(beep.StreamSeeker).Seek(0)
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w.volume.Volume = 1
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w.ctrl.Paused = false
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}
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func main() {
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config := &serial.Config{
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Name: "/dev/ttyS0",
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Baud: 115200,
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Size: 8,
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}
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stream, err := serial.OpenPort(config)
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if err != nil {
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log.Fatal(err)
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}
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format := sounds[0].Format()
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if err := speaker.Init(format.SampleRate, format.SampleRate.N(time.Second/100)); err != nil {
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return
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}
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var soundWorkers []*soundWorker
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mixer := beep.Mixer{}
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for _, buffer := range sounds {
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c := &beep.Ctrl{
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Streamer: buffer.Streamer(0, buffer.Len()),
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Paused: true,
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}
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volume := &effects.Volume{
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Streamer: c,
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Base: 2,
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Volume: 1,
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}
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mixer.Add(volume)
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soundWorkers = append(soundWorkers, &soundWorker{
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buffer: buffer,
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ctrl: c,
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volume: volume,
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})
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}
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speaker.Play(&mixer)
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c := make(chan byte)
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go func() {
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for b := range c {
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for i, w := range soundWorkers {
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setStop := (b&(1<<i))>>i == 0
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if w.isRunning && !w.isStopping && setStop {
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w.End()
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}
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if !w.isRunning && !setStop {
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w.Start()
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}
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}
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}
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}()
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for {
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buf := make([]byte, 1)
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_, err := stream.Read(buf)
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if err != nil {
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log.Fatal(err)
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}
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c <- buf[0]
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}
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}
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