Parker PHD28, User Manual, Page: 92 / 157

14
System hardware interface channel events
2 Application Programming Interface (API)
PHD API Reference
nxs.din
Event
nxs.din
Event Data
Keys Values Description
GPIOx
<0..10> Digital input GPIOx, where x is a number from 0 to 10
representing the digital input number. Key names are
GPIO0 through GPIO10 for platforms with 11 digital
inputs. Not all GPIOs may be present or enabled on all
platforms.
Direction
input
Channel
nxs
Notes
Received by the application when initially subscribed to, and whenever the DIN
states change.
The example below assumes the Storyboard application is set up to call Lua function
din_receive when the
nxs.din
event occurs. Event data is available through the
mapargs
argument.
Lua Example function din_receive ( mapargs )
local ev = mapargs .context_event_data
local gpio1 = ev [" GPIO1 "]
print (" Received DIN update: ".. GPIO1 )
end
-- Values GPIO2 through GPIO10 left out as an exercise
end