chiark
/
gitweb
/
~ijackson
/
trains.git
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
history
|
raw
|
HEAD
service mode factory reset
[trains.git]
/
hostside
/
fun-random
1
#!/bin/sh
2
set -e
3
while true; do
4
b1=$(hexdump </dev/urandom -n1 -e '"%d"')
5
squ=$(($b1 * $b1))
6
speed=$(($squ / 516))
7
b2=$(hexdump </dev/urandom -n1 -e '"%d"')
8
dirn=$(($b2 / 128))
9
echo b1=$b1 speed=$speed b2=$b2 dirn=$dirn
10
./hostside-old -s/dev/ttya0 speed126 2 $speed $dirn
11
sleep 30
12
done