September 2016
Intermediate to advanced
989 pages
24h 10m
English
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Troubleshooting your Wandboard's first boot
If you have problems booting your image, follow this recipe to troubleshoot.
Getting ready
- Without the microSD card inserted, plug in a microUSB-to-USB cable to the USB OTG interface of your Wandboard. Check the
lsusbutility on your Linux host to see whether the Wandboard appears as follows:Bus 002 Device 006: ID 15a2:0054 Freescale Semiconductor, Inc. i.MX6Q SystemOnChip in RecoveryMode
If you don't see this, try a different power supply. It should be 5V, 10W.
- Make sure you connect a NULL modem serial cable between the RS232 connector in your Wandboard target and a serial port on your Linux host. Then open a terminal program like minicom with the following:
$ minicom -D /dev/ttyS0 -b 115200Note
You will ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.