Hi, I am doing testing on GPIO of AR7550. By following this page: viewtopic.php?f=179&t=8351&p=34204&hilit=legato+gpio&sid=5a7904c1438f0e9e89724a437160b193#p34204 I can read the GPIO state via /sys/class/gpio/gpio10/value However, when i try to access this directory inside legato applicatio…

Hiya, It’s been my experience that you need to be root to get access to the hardware. A Legato application runs sandboxed with a non-root user by default. Add the following line to your adef filesandboxed=falseand see if this helps. I’m not in the office now, but will check my settings when I get…

Hiya, Just to confirm, I needed to run my application unsandboxed to get access to the hardware ports. Putsandboxed: falsein your ADEF file to allow this. ciao, Dave

Hi Dave, Thx for your help! It is working now! Thx!

Hiya, Good to hear that your code is running now. Thanks for letting us know you got it working. Ciao, Dave

Hello, I have problem with GPIO42, I am trying to export GPIO42 such way: echo 42 > /sys/class/gpio/export but Legato responds sh: write error: Device or resource busy I have already configured GPIO42 using AT command AT+WIOCFG=42,16,1,1,0,0,0 but i still receive this error, how can I unlock GPIO…

I am also having this problem with “le_gpioPin42, oT0 - GPIO 1 (pin 24)”, both in code and at a simple command line interface: root@swi-mdm9x15:/sys/class/gpio# echo 42 > export sh: write error: Device or resource busy root@swi-mdm9x15:/sys/class/gpio# on WP7504: My firmware: Firmware: SWI9X1…

read here [image] Problem exporting and accessing GPIO42 Legato Application Framework Hello, I have problem with GPIO42, I am trying to export GPIO42 such way: echo 42 > /sys/class/gpio/export but Legato responds sh: write error: Device or resource busy I have already c…

GPIO access via Legato application

Legato Application Framework

rio99 May 2, 2017, 7:27am 8

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GPIO access via Legato application

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