MaaXBoard_Mini-Linux-Debian-UM-V1.1
http://www.avnet.me/maaxboardmini.com
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Supported events:
Event type 0 (EV_SYN)
Event type 1 (EV_KEY)
Event code 102 (KEY_HOME)
Event code 412 (KEY_PREVIOUS)
Properties:
Testing ... (interrupt to exit)
Event: time 1571363047.449332, type 1 (EV_KEY), code 102 (KEY_HOME), value 1
Event: time 1571363047.449332, -------------- SYN_REPORT ------------
Event: time 1571363047.705857, type 1 (EV_KEY), code 102 (KEY_HOME), value 0
Event: time 1571363047.705857, -------------- SYN_REPORT ------------
Event: time 1571363048.645842, type 1 (EV_KEY), code 412 (KEY_PREVIOUS), value 1
Event: time 1571363048.645842, -------------- SYN_REPORT ------------
Event: time 1571363048.869859, type 1 (EV_KEY), code 412 (KEY_PREVIOUS), value 0
Event: time 1571363048.869859, -------------- SYN_REPORT ------------
2. Press PWR button, system will enter suspend mode, press PWR again for 1s, the system will reboot.
3.4 Displayer
MaaXBoard Mini supports 3 kinds of displayer: MIPI-DSI and LVDS screen. Users can connect the screen
to MaaXBoard Mini before boot up the system according to the following table. When the system boot up,
the screen will print the related startup message and login UI. Users can connect keyboard to login the
MaaXBoard Mini file system. The default displayer is MIPI-DSI screen.
Screen Type
Solution
Interface
MIPI-DSI (Default screen)
1280*720
J7
LVDS
1024*600
J7
Display device could be chosen by modify the fdt_file value in uEnv.txt.
Modification Method:
After the system start up, use
nano
or
vi
command to modify the uEnv.txt under path /boot, use
sync
command to synchronize, then reboot the system to make the modification effective.
3.4.1 MIPI-DSI Screen
Choose MIPI-DSI screen, the fdt_file value should be:
fdt_file=maaxboard-mini.dtb
MIPI-DSI supports backlight brightness adjustment. The backlight brightness has a range from 0 to 9, in
which 9 means highest brightness, 0 means lowest.
