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ben-wpan/tools/atrf-xtal/atrf-xtal.c

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/*
* atrf-xtal/atrf-xtal.c - AT86RF230/1 crystal diagnostic utility
*
* Written 2011 by Werner Almesberger
* Copyright 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 <string.h>
#include "atrf.h"
#include "atrf-xtal.h"
#define DEFAULT_SIZE 127
#define DEFAULT_TRIM 8
#define DEFAULT_SAMPLES 1000
static void atben(struct atrf_dsc *dsc, int size, int trim, int rep,
int dump_raw, double base, double ppm)
{
#ifdef HAVE_ATBEN
do_atben(dsc, size, trim, rep, dump_raw, base, ppm);
#else
fprintf(stderr, "not compiled with ATBEN support\n");
exit(1);
#endif
}
static void atusb(struct atrf_dsc *dsc, int trim, int dump_raw, double ppm,
int sequence)
{
#ifdef HAVE_ATUSB
do_atusb(dsc, trim, dump_raw, ppm, sequence);
#else
fprintf(stderr, "not compiled with ATUSB support\n");
exit(1);
#endif
}
static void usage(const char *name)
{
fprintf(stderr,
"usage: %s [-b count [-p ppm]] [-d driver[:arg]] [-r] [-s size] [-t trim]\n"
" %*s [repetitions]\n"
" %s [-d driver[:arg]] [-p ppm] [-r] [-t trim] [samples]\n\n"
"atben arguments:\n"
" -b count base count for relative result\n"
" -s size payload size in bytes, 0-127 (default: %d bytes)\n"
" repetitions number of measurements (default: 1)\n\n"
"atusb arguments:\n"
" samples number of samples (default: %d)\n\n"
"common options\n"
" -d driver[:arg] use the specified driver (default: %s)\n"
" -p ppm maximum deviation from base count\n"
" -r instead of printing a mean value, dump the raw samples\n"
" -t trim trim capacitor setting, 0-15 (default: %d)\n"
, name, (int) strlen(name), "", name,
DEFAULT_SIZE, DEFAULT_SAMPLES, atrf_default_driver_name(), DEFAULT_TRIM);
exit(1);
}
int main(int argc, char *const *argv)
{
const char *driver = NULL;
struct atrf_dsc *dsc;
int size = DEFAULT_SIZE;
int trim = DEFAULT_TRIM;
double base = 0, ppm = 0;
int n = 0;
int dump_raw = 0;
char *end;
int c;
while ((c = getopt(argc, argv, "b:d:p:rs:t:")) != EOF)
switch (c) {
case 'b':
base = strtof(optarg, &end);
if (*end)
usage(*argv);
break;
case 'd':
driver = optarg;
break;
case 'p':
ppm = strtof(optarg, &end);
if (*end)
usage(*argv);
break;
case 'r':
dump_raw = 1;
break;
case 's':
size = strtoul(optarg, &end, 0);
if (*end)
usage(*argv);
if (size > 127)
usage(*argv);
break;
case 't':
trim = strtoul(optarg, &end, 0);
if (*end)
usage(*argv);
if (trim > 15)
usage(*argv);
break;
default:
usage(*argv);
}
#if 0
if (ppm && !base)
usage(*argv);
#endif
switch (argc-optind) {
case 0:
break;
case 1:
n = strtoul(argv[optind], &end, 0);
if (*end)
usage(*argv);
break;
default:
usage(*argv);
}
dsc = atrf_open(driver);
if (!dsc)
return 1;
if (atrf_usb_handle(dsc))
atusb(dsc, trim, dump_raw, ppm, n ? n : DEFAULT_SAMPLES);
else
atben(dsc, size, trim, n ? n : 1, dump_raw, base, ppm);
return 0;
}