ref: f39abb2923ac5faf55ce283e925671d639f3b9b9
dir: /rc/bin/usbtree/
#!/bin/rc rfork e cd '#u/usb' root=() for(ep in ep*.0){ < $ep/ctl { info1=`{read} info2=`{read} } info1_^$ep=$info1 info2_^$ep=$info2 if(~ $info1(18) hub){ hub=$info1(19) if(~ $hub 0) root=($root $ep) if not { hub=ep^$hub^'.0' devhub_^$ep=$hub if(~ $info1(20) port){ port=$info1(21) portdev_^$hub^_^$port=$ep } } } } fn indent { sed 's/^/ /g' } fn printdev { info2=info2_^$1 info2=$$info2 echo $1^':' $info2 if(~ $info2(1) *hub){ for(port in `{seq 1 16}){ x=portdev_^$1^_^$port if(~ $#$x 1){ echo ' port'^$port^': ' printdev $$x | indent } } } } for(ep in $root) { printdev $ep }