poll on
echo "====> Press reset button on the board <===="
- for {set i 0} { [sp_is_halted] == 0 } { set i [expr $i + 1]} {
- echo -n "$bar([expr $i & 3])\r"
+ for {set i 0} { [sp_is_halted] == 0 } { set i [expr {$i + 1}]} {
+ echo -n "$bar([expr {$i & 3}])\r"
sleep 200
}