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ben-wpan/tools/atrf-rssi/atrf-rssi.c
Werner Almesberger 7ff1a32ccf tools/: added option -d driver[:arg] to all tools
- atrf-id/atrf-id.c (main), atrf-reset/atrf-reset.c (main),
  atrf-trim/atrf-trim.c (main): changed command-line parsing to use
  "getopt"
- atrf-id/atrf-id.c (usage, main), atrf-reset/atrf-reset.c (usage, main),
  atrf-rssi/atrf-rssi.c (usage, main), atrf-trim/atrf-trim.c (usage,
  main), atrf-txrx/atrf-txrx.c (init_txrx, usage, main),
  atrf-xtal/atrf-xtal.c (usage, main): added option -d to select a driver
2011-04-10 07:28:27 -03:00

147 lines
2.5 KiB
C

/*
* atrf-rssi/atrf-rssi.c - ben-wpan AT86RF230 spectrum scan
*
* Written 2010-2011 by Werner Almesberger
* Copyright 2010-2011 Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <sys/time.h>
#include "at86rf230.h"
#include "atrf.h"
#include "misctxrx.h"
#ifdef HAVE_GFX
#include "gui.h"
#else
#define gui(dsc) abort()
#endif
static struct timeval t0;
static volatile int run = 1;
static void sweep(struct atrf_dsc *dsc)
{
int chan, rssi;
struct timeval t;
for (chan = 11; chan <= 26; chan++) {
atrf_reg_write(dsc, REG_PHY_CC_CCA, chan);
/* 150 us, according to AVR2001 section 3.5 */
wait_for_interrupt(dsc, IRQ_PLL_LOCK, IRQ_PLL_LOCK, 10, 20);
gettimeofday(&t, NULL);
rssi = atrf_reg_read(dsc, REG_PHY_RSSI) & RSSI_MASK;
t.tv_sec -= t0.tv_sec;
t.tv_usec -= t0.tv_usec;
printf("%d %f %d\n",
2405+(chan-11)*5,
(double) t.tv_sec+t.tv_usec/1000000.0,
-91+3*(rssi-1));
}
printf("\n");
}
static void die(int sig)
{
run = 0;
}
static void usage(const char *name)
{
fprintf(stderr,
"usage: %s [-d driver[:arg]] [-n] sweeps\n", name);
#ifdef HAVE_GFX
fprintf(stderr,
"%6s %s driver[:arg]] -g\n", "", name);
#endif
exit(1);
}
int main(int argc, char **argv)
{
const char *driver = NULL;
struct atrf_dsc *dsc;
unsigned long arg = 0, i;
char *end;
int c;
int graphical = 0;
while ((c = getopt(argc, argv, "d:gn")) != EOF)
switch (c) {
case 'd':
driver = optarg;
break;
#ifdef HAVE_GFX
case 'g':
graphical = 1;
break;
#endif
case 'n':
break;
default:
usage(*argv);
}
switch (argc-optind) {
case 0:
if (!graphical)
usage(*argv);
break;
case 1:
if (graphical)
usage(*argv);
arg = strtoul(argv[optind], &end, 0);
if (*end)
usage(*argv);
break;
default:
usage(*argv);
}
signal(SIGINT, die);
dsc = atrf_open(driver);
if (!dsc)
return 1;
atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_TRX_OFF);
atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_RX_ON);
atrf_reg_write(dsc, REG_IRQ_MASK, IRQ_PLL_LOCK);
/*
* We'll wait for the PLL lock after selecting the channel.
*/
if (graphical)
gui(dsc);
else {
gettimeofday(&t0, NULL);
for (i = 0; run && i != arg; i++)
sweep(dsc);
}
atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_TRX_OFF);
atrf_close(dsc);
return 0;
}