From 972b395f5d45b102f4482b9db4daa7b9ed52fc53 Mon Sep 17 00:00:00 2001
From: Drew Bowering <db@d-b.ca>
Date: Tue, 2 Apr 2024 23:43:42 -0600
Subject: [PATCH] better encapsulate InitPWM()

---
 main.go | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/main.go b/main.go
index 0cf3693..0a34b16 100644
--- a/main.go
+++ b/main.go
@@ -17,6 +17,14 @@ type led struct {
 	channel uint8
 }
 
+func (l *led) InitPWM() error {
+	var err error
+
+	l.channel, err = l.pwm.Channel(l.pin)
+
+	return err
+}
+
 func (l *led) set(brightness uint32) {
 	l.pwm.Set(l.channel, (l.pwm.Top()/brightnesspeak)*brightness)
 }
@@ -30,17 +38,17 @@ type lighthardware struct {
 func (lhw *lighthardware) InitPWM() error {
 	var err error
 
-	lhw.red.channel, err = lhw.red.pwm.Channel(lhw.red.pin)
+	err = lhw.red.InitPWM()
 	if err != nil {
 		return err
 	}
 
-	lhw.green.channel, err = lhw.green.pwm.Channel(lhw.green.pin)
+	err = lhw.green.InitPWM()
 	if err != nil {
 		return err
 	}
 
-	lhw.blue.channel, err = lhw.blue.pwm.Channel(lhw.blue.pin)
+	err = lhw.blue.InitPWM()
 	if err != nil {
 		return err
 	}