Initial commit

controller.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"log"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+type Controller struct {
+	midiInput *MidiInput
+	mappings []Mapping
+	abortChan chan interface{}
+}
+
+func NewController(portName string) (*Controller, error) {
+	midiInput, err := NewMidiInput(portName)
+	if err != nil {
+		return nil, err
+	}
+
+	abortChan := make(chan interface{})
+
+	controller := &Controller{midiInput, nil, abortChan}
+
+	go func() {
+		for {
+			select {
+			case midiMessage := <-midiInput.Messages:
+				controller.update(midiMessage)
+			case <-abortChan:
+				return
+			}
+		}
+	}()
+
+	return controller, nil
+}
+
+func (c *Controller) AddMapping(mapping Mapping) {
+	c.mappings = append(c.mappings, mapping)
+}
+
+func (c Controller) Stop() {
+	c.midiInput.Stop()
+	c.abortChan <- struct{}{}
+}
+
+func (c Controller) update(msg midi.Message) {
+	for _, mapping := range c.mappings {
+		if mapping.Is(msg) {
+			log.Println("Mapping triggered!\n")
+		}
+	}
+}