The FatcatLab EVB is a LEGO MINDSTORMS EV3 compatible cape for BeagleBone.
Input / Output Ports¶
The EVB uses the LEGO MINDSTORMS EV3 input and output port drives, so please refer to Input / Output Ports in the EV3 section.
- This driver is used to get information about the FatcatLab EVB battery.
- It uses the power_supply subsytem.
- It registers a sysfs device node at
||Returns the battery voltage in microvolts.|
snd-evb module provedes an ALSA driver for PCM playback and a
Linux input device with sound capabilities (
EV_SND) for producing tones.
The ALSA driver can be used with standard tools such as
aplay. Tones can be produced by using the
beep command, ioctls such
KDMKTONE (must run on local console or as root for ioctls) or by
SND_* events to the event device (must be member of
group for this).