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authorBen Burwell <ben@benburwell.com>2018-05-24 22:23:35 -0400
committerBen Burwell <ben@benburwell.com>2018-05-24 22:23:35 -0400
commita3786c8698f8b7c85d09e241cf09dc0e8ced9da2 (patch)
tree8739737682938a3e9847a6395563ba17707c64e5
parentb279470a75dd6f3e59809650424a8e21d979eefc (diff)
Split out updateLight function
-rw-r--r--colortemp.go2
-rw-r--r--main.go26
2 files changed, 16 insertions, 12 deletions
diff --git a/colortemp.go b/colortemp.go
index a708a0b..8cf3454 100644
--- a/colortemp.go
+++ b/colortemp.go
@@ -43,7 +43,7 @@ func getDesiredColorTemperature(t time.Time) ColorTemperature {
// 500 <=> 2000K
// =============
// 347 4500
-func translateCtForLight(ct ColorTemperature, light hue.Light) uint16 {
+func (ct ColorTemperature) TranslateForLight(light hue.Light) uint16 {
divisor := 12.968
scaled := float64(ct) / divisor
inverted := 500 - scaled + 153
diff --git a/main.go b/main.go
index 481f712..76f5838 100644
--- a/main.go
+++ b/main.go
@@ -23,7 +23,7 @@ func main() {
}
}
-func updateBridge(bridge hue.Bridge, desiredColorTemp ColorTemperature) {
+func updateBridge(bridge hue.Bridge, ct ColorTemperature) {
//username, err := bridge.CreateUser(username)
//if err != nil {
// panic("Could not create user on bridge")
@@ -40,15 +40,19 @@ func updateBridge(bridge hue.Bridge, desiredColorTemp ColorTemperature) {
}
log.Printf("Found %d lights\n", len(lights))
for _, light := range lights {
- log.Printf("Light %d: %s (%s)\n", light.Index, light.Name, light.Type)
- if supportsColorTemp(light) {
- log.Printf(" CT range: %d-%d\n", light.Capabilities.Control.CT.Min, light.Capabilities.Control.CT.Max)
- newCt := translateCtForLight(desiredColorTemp, light)
- log.Printf(" Setting CT to %d\n", newCt)
- light.SetState(hue.LightState{
- On: light.State.On,
- CT: newCt,
- })
- }
+ updateLight(light, ct)
+ }
+}
+
+func updateLight(light hue.Light, ct ColorTemperature) {
+ log.Printf("Light %d: %s (%s)\n", light.Index, light.Name, light.Type)
+ if supportsColorTemp(light) {
+ log.Printf(" CT range: %d-%d\n", light.Capabilities.Control.CT.Min, light.Capabilities.Control.CT.Max)
+ newCt := ct.TranslateForLight(light)
+ log.Printf(" Setting CT to %d\n", newCt)
+ light.SetState(hue.LightState{
+ On: light.State.On,
+ CT: newCt,
+ })
}
}