
Both
inf
files can be found on the DVD.
8.3.6 µSD card slot (under the small metal plate)
The µSD card port is also located under the small metal plate. You can open the metal cover with a 1.5 mm
Allen key.
The µSD card slot supports cards of up to 32 GB capacity.
You can easily damage the µSD card or the mechanics of the mvBlueLYNX-X by improper operation.
Please be careful when inserting, removing, or handling the µSD card. Keep the µSD card at right
angles to the backplate when inserting it into the slot!
8.3.7 Power LED
1. Off
No power or no bootloader found.
2. Red
Bootloader was recognized and FPGA is booting-up. N.B. The LED remains turned off for
approx. 10 seconds after applying power.
3. Green
Linux OS is running.
8.3.8 Status LEDs
The status LEDs can be used or set by the user. A standard Linux LED driver is used which can be controlled
by pseudo files in the
/sys
directory. I.e., the LEDs can be control by a script or by an application.
8.3.8.1 How to use the LEDs
For each LED there is a pseudo directory:
root@mvblx:~# ls -l /sys/devices/virtual/leds/
total 0
drwxr-xr-x 3 root root 0 Aug 5 16:20 mvblx:green:power
drwxr-xr-x 3 root root 0 Aug 5 16:20 mvblx:green:usr1
drwxr-xr-x 3 root root 0 Aug 5 16:20 mvblx:green:usr2
drwxr-xr-x 3 root root 0 Aug 5 16:20 mvblx:green:usr3
drwxr-xr-x 3 root root 0 Aug 5 16:20 mvblx:red:power
drwxr-xr-x 3 root root 0 Aug 5 16:20 mvblx:red:usr1
drwxr-xr-x 3 root root 0 Aug 5 16:20 mvblx:red:usr2
drwxr-xr-x 3 root root 0 Aug 5 16:20 mvblx:red:usr3
Under it, there is a pseudo file called brightness. In this folder you write either "0" (turn off) or another value
mvBlueLYNX-X Technical Manual
38
22 April 2016 Version - 1.49
MATRIX VISION GmbH
Содержание mvBlueLYNX-X
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