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Pat Thoyts [Tue, 16 Dec 2014 13:04:13 +0000 (13:04 +0000)]
Use 16 bit galois field based PRNG.
This has much better distribution in the low bits over its period.
Pat Thoyts [Fri, 12 Dec 2014 00:01:36 +0000 (00:01 +0000)]
Corrected diode layout by using symbol with correct pin assignment.
Pin assignment need to match footprints.
Pat Thoyts [Fri, 12 Dec 2014 00:00:27 +0000 (00:00 +0000)]
Good board layout (fixed net by manually editing netlist).
Pat Thoyts [Thu, 11 Dec 2014 23:59:42 +0000 (23:59 +0000)]
Fix MSP430G2x11 symbol naming.
Pat Thoyts [Sun, 7 Dec 2014 12:54:21 +0000 (12:54 +0000)]
Working version.
Implemented both randomised ticking with skipped ticks. Can skip 1 or 2
ticks and catches them up on the next tick. Tick offset is up to half a
second.
Works out quite nicely irregular with the skipped ticks catching the
attention quite well.
Pat Thoyts [Sun, 7 Dec 2014 12:52:32 +0000 (12:52 +0000)]
Ignore the gEDA generated temporary and backup files.
Pat Thoyts [Sat, 6 Dec 2014 18:09:08 +0000 (18:09 +0000)]
Added gschem schematic with a stripboard pcb layout as implemented.
Pat Thoyts [Sat, 6 Dec 2014 18:07:30 +0000 (18:07 +0000)]
Moved clock coil control pins to P1.6 and P1.7 and removed LED.
This matches the constructed perfboard circuit layout.
Pat Thoyts [Sat, 6 Dec 2014 00:16:36 +0000 (00:16 +0000)]
Implemented irregular ticks.
With two /8 dividers we get 512 interrupts per second. By counting 16
of these we get a 30ms interval to energise the coil for a tick.
We add a random number up to 15 additional 30ms intervals to offset the
actual time of the tick.
Pat Thoyts [Thu, 4 Dec 2014 07:45:11 +0000 (07:45 +0000)]
Blink LED using watch crystal driven interrupts at 1s intervals