[En-Nut-Discussion] NutI2cMasterTransceive() versus NutI2cMasterTransact()

[Harald Kipp]

Hi Uwe,

On 19.02.2013 18:05, Uwe Bonnes wrote:

>     Harald> In this case the caller needs to know how many bytes had been
>     Harald> actually delivered by the slave.
> 
> I think code like
> 
> rc= NutI2cMasterTransact(bus, NutI2C_MSG *msg, size)
> 
> if (rc != size)
> {
>         if (rc >=0)
>             num_rec = msg[rc].msg_ridx;
> 
> would retrieve how many bytes had been actually delivered by the slave for
> the failing message.

Yes, that would work.

Regards,

Harald