Neousys IGT-30 Series User Manual page 52

Appendix A
Sysfs Mapping
LEDs, User Buttons, Digital Input and Digital Output on IGT-30D support Linux sysfs.
The section, Utility Scrip t
integrated with users' own application, it's also possible to access to these
peripherals via the mapped files. Please refer to the following table for mapping.
Category Name
LED L0
L1
L2
L3
L4
L5
Button F0
F1
D/I DI0
DI1
DI2
DI3
DI4
DI5
DI6
DI7
D/O DO0
DO1
DO2
DO3
DO_EN
IGT-30 Series
provides a quick access to these peripheral. However,
sysfs path
/sys/class/leds/igt30::usr0
/sys/class/leds/igt30::usr1
/sys/class/leds/igt30::usr2
/sys/class/leds/igt30::usr3
/sys/class/leds/igt30::usr4
/sys/class/leds/igt30::usr5
/sys/class/gpio/gpio72
/sys/class/gpio/gpio73
/sys/class/gpio/gpio47
/sys/class/gpio/gpio46
/sys/class/gpio/gpio45
/sys/class/gpio/gpio44
/sys/class/gpio/gpio88
/sys/class/gpio/gpio87
/sys/class/gpio/gpio86
/sys/class/gpio/gpio4
/sys/class/gpio/gpio74
/sys/class/gpio/gpio75
/sys/class/gpio/gpio76
/sys/class/gpio/gpio77
/sys/class/gpio/gpio71
52
Supported Properties
brightness
invert
trigger
value
active_low
edge
value
active_low
edge
value
active_low