Embedded Linux
Embedded linux tips/tricks
If rkdeveloptool wl is used to write sectors to emmc of the device, in some cases rkdeveloptool rl command is going to return hex cc cc .. sequence indicating that write did not reach emmc. This does not mean that... Read more
There are two variants of Rockchip flasing tool available for cli Read more
In order to debug kernel panic/freeze cases on devices which do not have serial console exposed, we can use Linux kernel’s netconsole module. This module is created with exactly this case in mind. In order to use the, we need... Read more
All input devices exposed via /dev/input/event* can be traced using the evtest tool. Gathering input device details Read more
Once maskroom button is pressed on rockchip device, the device will enter into loader mode. Then we need to loader custom firmware that enables us to internal flash of the device. Now we can create a copy of device flash... Read more
Recently I had to create a custom Yocto partition with just one file containing the autoboot.txt file (for RPI).So I created custom Yocto Source plugin with following contents: Read more
Extracting files Read more