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mirror of git://projects.qi-hardware.com/ben-wpan.git synced 2024-12-23 04:35:32 +02:00

atrf-txrx: cleaned up the usage output

- atrf-txrx.c (usage): split options and arguments for different modi into
  separate sections
- atrf-txrx.c (usage): moved details for common options to a separate
  section
- atrf-txrx.c (usage): added -C mhz to synopsis
This commit is contained in:
Werner Almesberger 2011-01-19 01:11:48 -03:00
parent c95761df59
commit 5407180c32

View File

@ -322,20 +322,22 @@ static void die(int sig)
static void usage(const char *name)
{
fprintf(stderr,
"usage: %s [-c channel|-f freq] [-p power] [-t trim] [message [repetitions]]\n"
" %s [-c channel|-f freq] [-p power] [-t trim] -T offset [command]\n\n"
"usage: %s [common_options] [message [repetitions]]\n"
" %s [common_options] -T offset [command]\n\n"
" text message mode:\n"
" message message string to send (if absent, receive)\n"
" repetitions number of times the message is sent (default 1)\n"
" repetitions number of times the message is sent (default 1)\n\n"
" constant wave test mode (transmit only):\n"
" -T offset test mode. offset is the frequency offset of the constant\n"
" wave in MHz: -2, -0.5, or +0.5\n"
" command shell command to run while transmitting (default: wait for\n"
" SIGINT instead)\n\n"
" common options: [-c channel|-f freq] [-C mhz] [-p power] [-t trim]\n"
" -c channel channel number, 11 to 26 (default %d)\n"
" -C mhz output clock at 1, 2, 4, 8, or 16 MHz (default: off)\n"
" -f freq frequency in MHz, 2405 to 2480 (default %d)\n"
" -p power transmit power, -17.2 to 3.0 dBm (default %.1f)\n"
" -t trim trim capacitor, 0 to 15 (default 0)\n"
" -t trim trim capacitor, 0 to 15 (default 0)\n"
" -T offset test mode. offset is the frequency offset of the constant\n"
" wave in MHz: -2, -0.5, or +0.5\n"
, name, name, DEFAULT_CHANNEL, 2405+5*(DEFAULT_CHANNEL-11),
DEFAULT_POWER);
exit(1);