Refresh Brightness

Every controller connection class maintains a table of brightness settings.

key: device mac, value: brightness value

When a user task arrives, if it is a

• SetBrightness
  • For single device mac, check for group or broadcast entries, break them.
  • For group mac, remove all single device mac and group mac entries.
  • For broadcast mac, remove all entries.
  • Then add the incoming entry to the table.
• SetMode
  • If target mode is manual, start the timer.
  • If target mode is auto or scheduled, stop the timer.

When the timer expires, traverse the table, generate an auto task to set brightness for each entry, post it.