I wrote:
> +++ linux/drivers/ieee1394/raw1394.h 2007-02-03 13:47:34.000000000 +0100
> @@ -178,4 +178,14 @@ struct raw1394_iso_status {
> __s16 xmit_cycle;
> };
>
> +/* argument to RAW1394_IOC_GET_CYCLE_TIMER ioctl */
> +struct raw1394_cycle_timer {
> + /* contents of Isochronous Cycle Timer register,
> + as in OHCI 1.1 clause 5.13 (also with non-OHCI hosts) */
> + __u32 cycle_timer;
> +
> + /* local time in microseconds since Epoch,
> + simultaneously read with cycle timer */
> + __u64 local_time;
> +};
> #endif /* IEEE1394_RAW1394_H */
Pieter,
one more thing. Do you want to hand out the cycle_timer bitfield to
userspace as-is, or would it make sense to postprocess it in some way?
--
Stefan Richter
-=====-=-=== --=- ---==
http://arcgraph.de/sr/
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