It dies after ~23seconds regardless how many packets are send. Adding a sleep will result in less packets send, yet it dies @ around 23 seconds
Maybe it's 30 seconds since to boot.
.prep B 2975
tx,rx,en = 0,0,1
.prep B 2976
tx,rx,en = 0,0,1
.prep B 2977
tx,rx,en = 0,0,1
.prep B 2978
tx,rx,en =...