Provide indication for bandwidth request while being idle.

diff --git a/bin/fup b/bin/fup
index 955dc1e..05f5d06 100755 (executable)
--- a/bin/fup
+++ b/bin/fup
@@ -176,7 +176,7 @@ for (;;) {
        $tx_last=$tx;
        push @history,$on_now;
        my $print=$on_now;
-       $print="." if $input_idle;
+       $print=($on_now ? "." : "v") if $input_idle;
        $print="*" if $ignore_read;
        print($print);
        history(1,($input_idle ? 0 : $STABILIZE_ON));