[fpc-devel] Problems with fpioctl on ARM debian linux and FPC2.6

[Henry Vermaak]

On 19 June 2012 18:04, Stefan Fischer <sfischer at basis.biz> wrote:
> I've changed to following:
> added packrecord c
> flipped speed_hz and delay_usec fields
>
> same problem.
> I don't know whats really wrong.
> Is there any debug possibility?

Have you tried looking at errno?  Do any of the other ioctls succeed
(e.g. SPI_IOC_WR_MAX_SPEED_HZ)?  Do you have permissions to write to
this file?

Henry