Re: linsocketcan

[Marc Kleine-Budde <mkl@pengutronix.de>]

[-- Attachment #1: Type: text/plain, Size: 1190 bytes --]

Hey Robert,

please use the linux-can mailinglist (Cc'ed). Don't post HTML mails there.

On 11/20/2012 02:05 PM, Robert wrote:
> Hi,
> 
> I try use libsocketcan  in my android application to work with CANbus
>  (ti_HECC ) in HMI device TH-1535  based on ARM3517 Sitara .
> 
> OS Android IceCream  Linux kernel 2.6.37
> 
>  
> 
> Add libsocketcan.c  to my  jni  folder and build library
>   libsocketcan.so  use  ndk-build (all ok no errors)
> 
>  
> 
> If  use *can_set_bitrate**(“can0”, 125000),*function*send_mod_request
> return -1 (errno = 1,  err->error = 2).*

If the libsocketcan isn't buggy here, and errno equals 1, you should
have a look at the errno definition[1]. An errno of 1 means "Operation
not permitted". In non Android Linux systems you need to be the root
user to set the bitrate.

[1] http://lxr.free-electrons.com/source/include/asm-generic/errno-base.h#L4

Marc
-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |


[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 261 bytes --]