[GitHub] [incubator-nuttx] eden-desta commented on issue #4188: nucleo_h743zi2 peripheral use

[GitBox <gi...@apache.org>]

eden-desta commented on issue #4188:
URL: https://github.com/apache/incubator-nuttx/issues/4188#issuecomment-883688441


   Thank you all for taking the time!
   
   So I have attempted to do this as you said above. And these are the steps I took without any success.
   
   the `stm32_bringup.c` file located in `nuttx/boards/arm/stm32h7/nucleo-h743zi2/src`
   
   Already had:
   ```
   #if !defined(CONFIG_ARCH_LEDS) && defined(CONFIG_USERLED_LOWER)
     /* Register the LED driver */
   
     ret = userled_lower_initialize("/dev/userleds");
     if (ret < 0)
       {
         syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret);
       }
   #endif
   ```
   
   So, instead what i did was i edited the `.config` file manually. 
   ```
   CONFIG_USERLED=y
   CONFIG_USERLED_LOWER=y
   ...
   CONFIG_ARCH_HAVE_LEDS=y
   # CONFIG_ARCH_LEDS is not set
   # CONFIG_ARCH_LEDS_CPU_ACTIVITY is not set
   ```
   
   I had to make some updates to `boards/arm/stm32h7/nucleo-h743zi2/src/stm32_userleds.c` from `GPIO_LED_BLUE` to `GPIO_LED_ORANGE`
   In the `stm32_bringup.c` file I had to include `<nuttx/leds/userled.h>`
   
   With all this said and done it build and was able to compile. However, when I run it I still get the same error. 
   ```
   nsh> leds
   leds_main: Starting the led_daemon
   leds_main: led_daemon started
   
   led_daemon (pid# 3): Running
   led_daemon: Opening /dev/userleds
   led_daemon: ERROR: Failed to open /dev/userleds: 2
   led_daemon: Terminating
   ```
   
   I ran `ls /dev` and the return value was:
   ```
   nsh> ls /dev
   /dev:
    console
    null
    ttyS0
   ```


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