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atrf-xmit.c (usage): the "packets" argument is optional

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This commit is contained in:
Werner Almesberger 2011-04-19 15:10:17 -03:00
parent 16b095ca08
commit c4167d8df4
1 changed files with 1 additions and 1 deletions
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2
tools/atrf-xmit/atrf-xmit.c
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@ -120,7 +120,7 @@ static void usage(const char *name)
{
fprintf(stderr,
"usage: %s [-c channel] [-p power] [-t trim_tx [-t trim_rx]]\n"
"%15s driver_tx[:arg] driver_rx[:arg] packets\n\n"
"%15s driver_tx[:arg] driver_rx[:arg] [packets]\n\n"
" -c channel transmit/receive channel, 11 to 26 (default %d)\n"
" -p power transmit power, 0 to 15 (default %d)\n"
" -t trim trim capacitor, 0 to 15 (default %d)\n"