implement strip/bus gate/comp on commands

internal/xair/comp.go

@@ -1,10 +1,13 @@
 package xair
 
+import "fmt"
+
 type Comp struct {
 	client      *Client
 	baseAddress string
 }
 
+// Factory function to create Comp instance for Strip
 func newCompForStrip(c *Client) *Comp {
 	return &Comp{
 		client:      c,
@@ -12,9 +15,36 @@ func newCompForStrip(c *Client) *Comp {
 	}
 }
 
+// Factory function to create Comp instance for Bus
 func newCompForBus(c *Client) *Comp {
 	return &Comp{
 		client:      c,
 		baseAddress: c.addressMap["bus"],
 	}
 }
+
+// On retrieves the on/off status of the Compressor for a specific strip or bus (1-based indexing).
+func (c *Comp) On(index int) (bool, error) {
+	address := fmt.Sprintf(c.baseAddress, index) + "/dyn/on"
+	err := c.client.SendMessage(address)
+	if err != nil {
+		return false, err
+	}
+
+	resp := <-c.client.respChan
+	val, ok := resp.Arguments[0].(int32)
+	if !ok {
+		return false, fmt.Errorf("unexpected argument type for Compressor on value")
+	}
+	return val != 0, nil
+}
+
+// SetOn sets the on/off status of the Compressor for a specific strip or bus (1-based indexing).
+func (c *Comp) SetOn(index int, on bool) error {
+	address := fmt.Sprintf(c.baseAddress, index) + "/dyn/on"
+	var value int32
+	if on {
+		value = 1
+	}
+	return c.client.SendMessage(address, value)
+}