Initial Commit

music.go

@@ -0,0 +1,99 @@
+/*
+ *	itd uses bluetooth low energy to communicate with InfiniTime devices
+ *	Copyright (C) 2021 Arsen Musayelyan
+ *
+ *	This program is free software: you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License as published by
+ *	the Free Software Foundation, either version 3 of the License, or
+ *	(at your option) any later version.
+ *
+ *	This program is distributed in the hope that it will be useful,
+ *	but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *	GNU General Public License for more details.
+ *
+ *	You should have received a copy of the GNU General Public License
+ *	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package main
+
+import (
+	"go.arsenm.dev/infinitime"
+	"go.arsenm.dev/infinitime/pkg/player"
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/viper"
+)
+
+func initMusicCtrl(dev *infinitime.Device) error {
+	// On player status change, set status
+	err := player.Status(func(newStatus bool) {
+		if !firmwareUpdating {
+			dev.Music.SetStatus(newStatus)
+		}
+	})
+	if err != nil {
+		return err
+	}
+
+	// On player title change, set track
+	err = player.Metadata("title", func(newTitle string) {
+		if !firmwareUpdating {
+			dev.Music.SetTrack(newTitle)
+		}
+	})
+	if err != nil {
+		return err
+	}
+
+	// On player album change, set album
+	err = player.Metadata("album", func(newAlbum string) {
+		if !firmwareUpdating {
+			dev.Music.SetAlbum(newAlbum)
+		}
+	})
+	if err != nil {
+		return err
+	}
+
+	// On player artist change, set artist
+	err = player.Metadata("artist", func(newArtist string) {
+		if !firmwareUpdating {
+			dev.Music.SetArtist(newArtist)
+		}
+	})
+	if err != nil {
+		return err
+	}
+
+	// Watch for music events
+	musicEvtCh, err := dev.Music.WatchEvents()
+	if err != nil {
+		return err
+	}
+	go func() {
+		// For every music event received
+		for musicEvt := range musicEvtCh {
+			// Perform appropriate action based on event
+			switch musicEvt {
+			case infinitime.MusicEventPlay:
+				player.Play()
+			case infinitime.MusicEventPause:
+				player.Pause()
+			case infinitime.MusicEventNext:
+				player.Next()
+			case infinitime.MusicEventPrev:
+				player.Prev()
+			case infinitime.MusicEventVolUp:
+				player.VolUp(viper.GetUint("music.volInterval"))
+			case infinitime.MusicEventVolDown:
+				player.VolDown(viper.GetUint("music.volInterval"))
+			}
+		}
+	}()
+
+	// Log completed initialization
+	log.Info().Msg("Initialized InfiniTime music controls")
+
+	return nil
+}