10 Sample Applications
Linux Software Developers Kit (SDK) User Guide
60
}
config cp2 {
type output
state enable
invert disable
}
config cp3 {
type output
state enable
invert disable
}
config cp4 {
type output
state enable
invert disable
}
group LED {
type output
state enable
bit0 CP1
bit1 CP2
bit2 CP3
bit3 CP4
}
The cpm program can then be invoked to light all four LEDs with the following:
$ cpm -N LED -V 15
The '-N' argument is for specifying the CP group name, and the '-V' argument for specifying which
GPIOs to enable. Below is a high level diagram showing how the CP Manager interfaces with the
GPIO pins.