Parker PHD28, User Manual, Page: 91 / 157

13
System hardware interface channel events
2 Application Programming Interface (API)
PHD API Reference
System hardware interface channel events
nxs.backlight
Event
nxs.backlight
Event Data
Keys Values Description
display_level
<0..100> 0 = 0% backlight, 100 = 100% backlight.
Direction
input
Channel
nxs
Notes
Received by the application whenever the backlight level changes. The values range
from 0 to 100.
The example below assumes the Storyboard application is set up to call Lua function
backlight_receive when the
nxs.backlight
event occurs. Event data is available
through the
mapargs
argument.
Lua Example function backlight_receive ( mapargs )
local ev = mapargs .context_event_data
local level = ev [" display_level "]
print (" Received brightness: ".. level .." from address ".. addr )
end
end