Re: [time-nuts] time messages

2014-05-26 Thread Bob Camp
Hi Here’s my guess: Powers of two sound fine. Anything more than that is getting into the “waste of bits” area. Fully silly range might be +32 to -32. On a practical basis, some of that range is not useful (+32 for example). Pick a number at one end or the other (zero or 255 or ...) for “I d

Re: [time-nuts] time messages

2014-05-26 Thread Jim Lux
On 5/26/14, 11:13 AM, Magnus Danielson wrote: Hi Jim, On 05/26/2014 07:43 PM, Jim Lux wrote: I'm in the middle of implementing a lightweight time distribution system using SpaceWire (a fast point to point serial link with simple routers to build networks). SpaceWire provides a special token ca

Re: [time-nuts] time messages

2014-05-26 Thread Magnus Danielson
Hi Jim, On 05/26/2014 07:43 PM, Jim Lux wrote: I'm in the middle of implementing a lightweight time distribution system using SpaceWire (a fast point to point serial link with simple routers to build networks). SpaceWire provides a special token called a timecode which propagates from a "tick s

[time-nuts] time messages

2014-05-26 Thread Jim Lux
I'm in the middle of implementing a lightweight time distribution system using SpaceWire (a fast point to point serial link with simple routers to build networks). SpaceWire provides a special token called a timecode which propagates from a "tick source" to various nodes, but that just provide