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Code

atrf-txrx can now run a shell command while emitting a test wave

Browse Source 
- atrf-txrx.c (test_mode, usage, main): optionally run a shell command while
  in test mode
- atrf-txrx.c (usage): explain all parameters
This commit is contained in:
Werner Almesberger 2010-11-11 21:31:15 -03:00
parent b2049e7074
commit 22288a2932
1 changed files with 43 additions and 16 deletions
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41
tools/atrf-txrx/atrf-txrx.c
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@ -18,6 +18,7 @@
#include <string.h>
#include <math.h>
#include <signal.h>
#include <sys/wait.h>
#include "at86rf230.h"
#include "atrf.h"
@ -159,11 +160,12 @@ static void transmit(struct atrf_dsc *dsc, const char *msg, int times)
}
static void test_mode(struct atrf_dsc *dsc, uint8_t cont_tx)
static int test_mode(struct atrf_dsc *dsc, uint8_t cont_tx, const char *cmd)
{
atrf_buf_write(dsc, "", 1);
atrf_reg_write(dsc, REG_CONT_TX_0, CONT_TX_MAGIC);
atrf_reg_write(dsc, REG_CONT_TX_1, cont_tx);
int status = 0;
if (!atrf_test_mode(dsc)) {
atrf_reset_rf(dsc);
@ -176,9 +178,16 @@ static void test_mode(struct atrf_dsc *dsc, uint8_t cont_tx)
atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_TX_START);
if (cmd)
status = system(cmd);
else {
while (run)
sleep(1);
}
atrf_reset_rf(dsc);
return status;
}
@ -192,14 +201,18 @@ 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 delta\n"
" %s [-c channel|-f freq] [-p power] [-t trim] -T offset [command]\n\n"
" message message string to send (if absent, receive)\n"
" repetitions number of times the message is sent (default 1)\n"
" command shell command to run while transmitting (default: wait for\n"
" SIGINT instead)\n\n"
" -c channel channel number, 11 to 26 (default %d)\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 delta test mode. delta is the frequency offset of the constant wave\n"
" in MHz: -2, -0.5, or +0.5\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);
@ -214,6 +227,7 @@ int main(int argc, char *const *argv)
uint8_t cont_tx = 0;
char *end;
int c, freq;
int status = 0;
struct atrf_dsc *dsc;
while ((c = getopt(argc, argv, "c:f:p:t:T:")) != EOF)
@ -271,21 +285,26 @@ int main(int argc, char *const *argv)
receive(dsc);
else {
set_power(dsc, power, 0);
test_mode(dsc, cont_tx);
status = test_mode(dsc, cont_tx, NULL);
}
break;
case 2:
if (cont_tx)
usage(*argv);
times = strtoul(argv[optind+1], &end, 0);
if (*end)
usage(*argv);
/* fall through */
case 1:
if (cont_tx)
usage(*argv);
dsc = init_txrx(trim);
set_channel(dsc, channel);
if (!cont_tx) {
set_power(dsc, power, 1);
transmit(dsc, argv[optind], times);
} else {
set_power(dsc, power, 0);
status = test_mode(dsc, cont_tx, argv[optind]);
}
break;
default:
usage(*argv);
@ -293,5 +312,13 @@ int main(int argc, char *const *argv)
atrf_close(dsc);
if (status) {
if (WIFEXITED(status))
return WEXITSTATUS(status);
if (WIFSIGNALED(status))
raise(WTERMSIG(status));
fprintf(stderr, "unexpected exit status %d\n", status);
abort();
}
return 0;
}