Buzzer

api/cammie.go

@@ -3,6 +3,7 @@ package api
 import (
 	"fmt"
 	"net/http"
+	"scc/buzzer"
 	"scc/config"
 	"scc/screen"
 	"slices"
@@ -77,6 +78,7 @@ func cammiePostMessage(app *screen.ScreenApp, c *gin.Context) {
 	cammieMessages++
 
 	app.Cammie.Update(newMessage)
+	go buzzer.PlayBuzzer()
 
 	c.JSON(http.StatusOK, gin.H{"message": "Message received"})
 }

buzzer/buzzer.go

@@ -0,0 +1,48 @@
+package buzzer
+
+import (
+	"log"
+	"scc/config"
+
+	"github.com/a-h/beeper"
+	"github.com/stianeikeland/go-rpio"
+)
+
+var buzzerOptions = map[string]func(rpio.Pin){
+	"default": playMusic,
+}
+
+func PlayBuzzer() {
+	err := rpio.Open()
+	if err != nil {
+		log.Printf("Error: Unable to open pin: %s", err)
+		return
+	}
+	defer rpio.Close()
+
+	pin := rpio.Pin(config.GetConfig().Buzzer.Pin)
+
+	buzzerSong := config.GetConfig().Buzzer.Song
+	val, ok := buzzerOptions[buzzerSong]
+	if !ok {
+		log.Printf("Error: Selected buzzer song: %s does not exist\n", buzzerSong)
+		return
+	}
+
+	val(pin)
+}
+
+func playMusic(pin rpio.Pin) {
+	bpm := 300
+	music := beeper.NewMusic(pin, bpm)
+
+	music.Note("A5", beeper.Quaver)
+	music.Note("B5", beeper.Quaver)
+	music.Note("D5", beeper.Quaver)
+	music.Note("B5", beeper.Quaver)
+	music.Note("E5", beeper.Crotchet)
+	music.Note("E5", beeper.Crotchet)
+	music.Note("D5", beeper.Quaver)
+	music.Note("C#5", beeper.Quaver)
+	music.Note("B4", beeper.Quaver)
+}

config.example.yaml

@@ -0,0 +1,30 @@
+cammie:
+  blocked_names:
+    - Name 1
+    - Name 2
+  blocked_ips:
+    - 10.0.0.10
+  max_message_length: 200
+buzzer:
+  pin: 12
+  song: default
+spotify:
+  client_id: abcd
+  client_secret: dcba
+tap:
+  url: "https://tap.zeus.gent/recent"
+  beer:
+    - Schelfaut
+    - Duvel
+    - Fourchette
+    - Jupiler
+    - Karmeliet
+    - Kriek
+    - Chouffe
+    - Maes
+    - Somersby
+    - Sportzot
+    - Stella
+zess:
+  url: "https://zess.zeus.gent/recent_scans"
+  day_amount: 40

config.template.yaml

@@ -2,6 +2,9 @@ cammie:
   blocked_names: [] # List of names that don't get shown
   blocked_ips: [] # List of IP's that don't get shown
   max_message_length: # Max message list
+buzzer:
+  pin: # PWM pin used by the buzzer
+  song: # Options are - default
 spotify:
   client_id: # Client ID of the Zeus spotify account
   client_secret: # Client secret of the Zeus spotify account

config/config.go

@@ -14,6 +14,11 @@ type cammieConfig struct {
 	MaxMessageLength int      `yaml:"max_message_length"`
 }
 
+type buzzerConfig struct {
+	Pin  int    `yaml:"pin"`
+	Song string `yaml:"song"`
+}
+
 type spotifyConfig struct {
 	ClientID     string `yaml:"client_id"`
 	ClientSecret string `yaml:"client_secret"`
@@ -31,6 +36,7 @@ type zessConfig struct {
 
 type Config struct {
 	Cammie  cammieConfig  `yaml:"cammie"`
+	Buzzer  buzzerConfig  `yaml:"buzzer"`
 	Spotify spotifyConfig `yaml:"spotify"`
 	Tap     tapConfig     `yaml:"tap"`
 	Zess    zessConfig    `yaml:"zess"`

go.mod

@@ -10,6 +10,7 @@ require (
 )
 
 require (
+	github.com/a-h/beeper v0.0.0-20190929170045-fc4b1a97b0b2
 	github.com/bytedance/sonic v1.9.1 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
@@ -30,6 +31,7 @@ require (
 	github.com/navidys/tvxwidgets v0.7.0
 	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/stianeikeland/go-rpio v4.2.0+incompatible
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.11 // indirect
 	golang.org/x/arch v0.3.0 // indirect

go.sum

@@ -1,3 +1,5 @@
+github.com/a-h/beeper v0.0.0-20190929170045-fc4b1a97b0b2 h1:QXbKN2ADvvIPBw0RA5TT61Uk50vHxXflk2bDtWKD3zI=
+github.com/a-h/beeper v0.0.0-20190929170045-fc4b1a97b0b2/go.mod h1:DxLcR2/OjZbhGzSvGfrtm6Kfij2L+mYFnw3YuxGcee4=
 github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
 github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s=
 github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
@@ -70,6 +72,8 @@ github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJ
 github.com/rivo/uniseg v0.4.3/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
 github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
 github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
+github.com/stianeikeland/go-rpio v4.2.0+incompatible h1:CUOlIxdJdT+H1obJPsmg8byu7jMSECLfAN9zynm5QGo=
+github.com/stianeikeland/go-rpio v4.2.0+incompatible/go.mod h1:Sh81rdJwD96E2wja2Gd7rrKM+XZ9LrwvN2w4IXrqLR8=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=