Library code robustness about little-wire HOT 3 CLOSED

Here a first attempt at relief:

• Add a global variable 'int lwerror' in littleWire.c
• Modify each call to 'usb_control_msg' to read 'lwerror = usb_control_msg'
  -> This saves the return code of usb_control_msg in lwerror for future reference
• Add a new subroutine littleWire_error():

  int littleWire_error () {
  if (lwerror < 0) return lwerror;
  else return 0;
  }

  -> This gives access to the error code to applications

For example in my daemon program I can now place a

if (rc=littleWire_error()){printf("littleWire error %d",rc);}

from little-wire.

Hi,

I'll definitely look in to that as well. Especially the error feedback is an issue at the moment.

Thanks for the valuable submission!

ihsan.

from little-wire.

Hi,

This also fixed with the v1.1 firmware!

ihsan.

from little-wire.