mirror of
git://projects.qi-hardware.com/ben-wpan.git
synced 2024-11-29 12:32:28 +02:00
7ff1a32ccf
- 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
176 lines
3.0 KiB
C
176 lines
3.0 KiB
C
/*
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* atrf-xtal/atrf-xtal.c - AT86RF230/1 crystal diagnostic utility
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*
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* Written 2011 by Werner Almesberger
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* Copyright 2011 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "atrf.h"
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#include "atrf-xtal.h"
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#define DEFAULT_SIZE 127
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#define DEFAULT_TRIM 8
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static void setup(struct atrf_dsc *dsc, int size, int trim)
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{
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#ifdef __mips__
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atben_setup(dsc, size, trim);
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#else
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#error Only ATBEN is supported for now
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#endif
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}
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unsigned sample(struct atrf_dsc *dsc)
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{
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#ifdef __mips__
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return atben_sample(dsc);
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#else
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#error Only ATBEN is supported for now
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#endif
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}
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void cleanup(struct atrf_dsc *dsc)
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{
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#ifdef __mips__
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atben_cleanup(dsc);
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#else
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#error Only ATBEN is supported for now
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#endif
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}
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static int cmp(const void *a, const void *b)
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{
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return *(unsigned *) a-*(unsigned *) b;
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}
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static void eval(unsigned *res, int rep)
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{
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double sum = 0;
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int n = 0;
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int i;
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qsort(res, rep, sizeof(*res), cmp);
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if (rep < 8) {
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printf("%u\n", res[rep >> 1]);
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return;
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}
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for (i = rep/8; i != rep-rep/8; i++) {
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sum += res[i];
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n++;
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}
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printf("%f\n", (double) sum/n);
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}
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static void usage(const char *name)
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{
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fprintf(stderr,
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"%s [-d driver[:arg]] [-r] [-s size] [-t trim] [repetitions]\n\n"
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" -d driver[:arg] use the specified driver (default: %s)\n"
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" -r instead of printing a mean value, dump the raw samples\n"
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" -s size payload size in bytes, 0-127 (default: %d bytes)\n"
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" -t trim trim capacitor setting, 0-15 (default: %d)\n"
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" repetitions number of measurements (default: 1)\n"
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, name, atrf_default_driver_name(), DEFAULT_SIZE, DEFAULT_TRIM);
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exit(1);
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}
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int main(int argc, char *const *argv)
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{
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const char *driver = NULL;
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struct atrf_dsc *dsc;
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int size = DEFAULT_SIZE;
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int trim = DEFAULT_TRIM;
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int rep = 1;
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int dump_raw = 0;
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char *end;
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unsigned *res;
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int c, i;
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while ((c = getopt(argc, argv, "d:rs:t:")) != EOF)
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switch (c) {
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case 'd':
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driver = optarg;
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break;
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case 'r':
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dump_raw = 1;
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break;
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case 's':
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size = strtoul(optarg, &end, 0);
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if (*end)
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usage(*argv);
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if (size > 127)
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usage(*argv);
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break;
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case 't':
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trim = strtoul(optarg, &end, 0);
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if (*end)
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usage(*argv);
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if (trim > 15)
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usage(*argv);
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break;
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default:
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usage(*argv);
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}
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switch (argc-optind) {
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case 0:
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break;
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case 1:
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rep = strtoul(argv[optind], &end, 0);
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if (*end)
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usage(*argv);
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break;
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default:
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usage(*argv);
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}
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res = malloc(rep*sizeof(*res));
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if (!res) {
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perror("malloc");
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exit(1);
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}
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dsc = atrf_open(driver);
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if (!dsc)
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return 1;
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setup(dsc, size, trim);
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for (i = 0; i != rep; i++)
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res[i] = sample(dsc);
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cleanup(dsc);
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atrf_close(dsc);
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if (dump_raw) {
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for (i = 0; i != rep; i++)
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printf("%u\n", res[i]);
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exit(0);
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}
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eval(res, rep);
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return 0;
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}
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