So instead of using the standard linux open(), write(), close() we have to use le_fs_Open(), le_fs_Write(), le_fs_Close(). They aren’t working though. le_fs_Open() will return a file descriptor, but write will not write to files. I’ve given my application permission to access the parent directories…

Why don’t you use standard linux api if it is working fine?

Standard linux calls aren’t working. R13, legato 19.11.2 and 20.04.0

I rewrote with fopen(), and it fails.

Other user does not find problem, you can have a look here: [image] Write value in mangOH /sys files mangOH Yellow Blockquote When using unsandboxed application, you need to specify the full path when fopen() . I did that, but i had the same error (Bad file descriptor)…

open(), etc. are working for me. Firmware Version: SWI9X06Y_02.35.02.00 5208b3 jenkins 2020/06/10 00:30:12. Legato Version: 19.11.2_625c7d1acfd1ca45b2dbe189b4cb1ce7_modified

If your application is sandboxed, you won’t have access to much of the file system. If you unsandbox your application (by adding a line “sandboxed: false” to your .adef file), then you’ll have access to all of the file system. It doesn’t matter whether you use fopen() or open(). They should both wo…

Le_fs_* seems broken

mangOH Red

jyijyi September 25, 2020, 12:28am 6

Other user does not find problem, you can have a look here:

Topic		Replies	Views
Write value in mangOH /sys files mangOH Yellow	5	805	June 26, 2020
Send stuff from mangOH app to /dev/ttyUSBx	3	1265	March 6, 2017
Stdlib in legato project mangOH Green	1	568	October 25, 2018
Cannot create file on SD card from Sandboxed App mangOH Red	11	1902	August 8, 2018
How do I get access the SD card in sandboxed application? mangOH Green	11	1656	August 8, 2018

Le_fs_* seems broken

Related topics