Attempt to read current RGB value for mk1 devices.
Called by blink1_setRGB() if device is mk1. Does not always work.
blink1 device to command
pointer to red part of RGB color
pointer to green part of RGB color
pointer to blue part of RGB color
-1 on error, 0 on success
See Implementation
Attempt to read current RGB value for mk1 devices.
Called by blink1_setRGB() if device is mk1. Does not always work.