Initial Commit - Copy from Altus Metrum AltOS
This commit is contained in:
1
ao-tools/ao-cal-freq/.gitignore
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1
ao-tools/ao-cal-freq/.gitignore
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ao-cal-freq
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11
ao-tools/ao-cal-freq/Makefile.am
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ao-tools/ao-cal-freq/Makefile.am
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bin_PROGRAMS=ao-cal-freq
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AM_CFLAGS=$(WARN_CFLAGS) -I$(top_srcdir)/ao-tools/lib $(LIBUSB_CFLAGS)
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ao_cal_freq_DEPENDENCIES = $(top_builddir)/ao-tools/lib/libao-tools.a
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ao_cal_freq_LDADD=$(top_builddir)/ao-tools/lib/libao-tools.a $(LIBUSB_LIBS) -lm
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ao_cal_freq_SOURCES=ao-cal-freq.c
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man_MANS = ao-cal-freq.1
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74
ao-tools/ao-cal-freq/ao-cal-freq.1
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74
ao-tools/ao-cal-freq/ao-cal-freq.1
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.\"
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.\" Copyright © 2009 Keith Packard <keithp@keithp.com>
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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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.\" This program is distributed in the hope that it will be useful, but
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.\" WITHOUT ANY WARRANTY; without even the implied warranty of
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.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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.\" General Public License for more details.
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.\"
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.\" You should have received a copy of the GNU General Public License along
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.\" with this program; if not, write to the Free Software Foundation, Inc.,
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.\" 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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.\"
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.\"
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.TH AO-LOAD 1 "ao-cal-freq" ""
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.SH NAME
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ao-cal-freq \- Calibrate AltOS flight computer frequency
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.SH SYNOPSIS
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.B "ao-cal-freq"
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[\-T \fItty-device\fP]
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[\--tty \fItty-device\fP]
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[\-D \fIaltos-device\fP]
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[\--device \fIaltos-device\fP]
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[\-v] [\--verbose]
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[\-n] [\--nosave]
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[\-o \fIcal-value-output-file\fP]
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[\--output \fIcal-value-output-file\fP]
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.SH DESCRIPTION
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.I ao-cal-freq
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drives the frequency calibration process and saves the result.
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.SH OPTIONS
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.TP
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\-T tty-device | --tty tty-device
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This selects which tty device the debugger uses to communicate with
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the target device. The special name 'BITBANG' directs ao-dbg to use
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the cp2103 connection, otherwise this should be a usb serial port
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connected to a suitable cc1111 debug node.
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.TP
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\-D AltOS-device | --device AltOS-device
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Search for a connected device. This requires an argument of one of the
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following forms:
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.IP
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TeleMega:2
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.br
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TeleMega
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.br
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2
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.IP
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Leaving out the product name will cause the tool to select a suitable
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product, leaving out the serial number will cause the tool to match
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one of the available devices.
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.TP
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\-o cal-value-output-file | --output cal-value-output-file
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Writes the resulting calibration value to the specified file.
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.TP
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\-n | --nosave
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Inhibits saving the calibration value on the device. Necessary for
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devices which don't have on-board configuration storage.
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.TP
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\-v | --verbose
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Makes
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.I ao-cal-freq
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chatty about communication with the target device.
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.SH USAGE
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.I ao-cal-freq
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opens the target device, interactively calibrates the frequency, then
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shows the resulting calibration values and (optionally) saves them to
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configuration memory and/or a file.
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.SH AUTHOR
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Keith Packard
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296
ao-tools/ao-cal-freq/ao-cal-freq.c
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296
ao-tools/ao-cal-freq/ao-cal-freq.c
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/*
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* Copyright © 2014 Keith Packard <keithp@keithp.com>
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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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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#include <err.h>
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#include <fcntl.h>
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#include <gelf.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <string.h>
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#include <stdbool.h>
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#include <termios.h>
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#include <math.h>
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#include "ao-elf.h"
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#include "ccdbg.h"
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#include "cc-usb.h"
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#include "cc.h"
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#include "ao-verbose.h"
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static const struct option options[] = {
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{ .name = "tty", .has_arg = 1, .val = 'T' },
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{ .name = "device", .has_arg = 1, .val = 'D' },
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{ .name = "verbose", .has_arg = 0, .val = 'v' },
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{ .name = "output", .has_arg = 1, .val = 'o' },
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{ .name = "nosave", .has_arg = 0, .val = 'n' },
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{ 0, 0, 0, 0},
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};
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static void usage(char *program)
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{
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fprintf(stderr, "usage: %s [--verbose] [--nosave] [--device=<device>] [-tty=<tty>] [--output=<cal-value-file>]\n", program);
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exit(1);
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}
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static char **
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tok(char *line) {
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char **strs = malloc (sizeof (char *)), *str;
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int n = 0;
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while ((str = strtok(line, " \t"))) {
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line = NULL;
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strs = realloc(strs, (n + 2) * sizeof (char *));
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strs[n] = strdup(str);
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n++;
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}
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strs[n] = '\0';
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return strs;
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}
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struct flash {
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struct flash *next;
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char line[512];
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char **strs;
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};
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static struct flash *
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flash(struct cc_usb *usb)
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{
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struct flash *head = NULL, **tail = &head;
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cc_usb_printf(usb, "c s\nv\n");
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for (;;) {
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char line[512];
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struct flash *b;
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cc_usb_getline(usb, line, sizeof (line));
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b = malloc (sizeof (struct flash));
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strcpy(b->line, line);
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b->strs = tok(line);
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b->next = NULL;
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*tail = b;
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tail = &b->next;
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if (strstr(line, "software-version"))
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break;
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}
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return head;
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}
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static char **
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find_flash(struct flash *b, char *word0) {
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for (;b; b = b->next) {
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if (strstr(b->line, word0))
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return b->strs;
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}
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return NULL;
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}
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static int
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do_save(struct cc_usb *usb)
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{
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int ret = 0;
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printf("Saving calibration to device\n");
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cc_usb_printf(usb, "c w\nv\n");
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for (;;) {
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char line[512];
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cc_usb_getline(usb, line, sizeof (line));
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if (strstr(line, "Nothing to save"))
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ret = 1;
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if (strstr(line, "Saved"))
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ret = 1;
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if (strstr(line, "software-version"))
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break;
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}
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if (!ret) {
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printf("Calibration save failed\n");
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}
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return ret;
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}
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static int
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do_output(char *output, int cur_cal)
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{
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printf ("Saving calibration value to file \"%s\"\n", output);
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FILE *out = fopen(output, "w");
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int ret = 1;
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if (!out) {
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perror(output);
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return 0;
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}
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if (fprintf(out, "%d\n", cur_cal) < 0) {
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perror("fprintf");
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ret = 0;
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}
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if (fflush(out) != 0) {
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perror("fflush");
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ret = 0;
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}
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if (fclose(out) != 0) {
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perror("fclose");
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ret = 0;
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}
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return ret;
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}
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static int
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do_cal(char *tty, int save, char *output)
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{
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struct cc_usb *usb = NULL;
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struct flash *b;
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char line[1024];
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double measured_freq;
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char **cur_freq_words;
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char **cur_cal_words;
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char *line_end;
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int cur_freq;
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int cur_cal;
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int new_cal;
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int ret = 1;
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int changed = 0;
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for(;;) {
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usb = cc_usb_open(tty);
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if (!usb) {
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fprintf(stderr, "failed to open device\n");
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ret = 0;
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break;
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}
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cc_usb_printf(usb, "E 0\n");
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b = flash(usb);
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cur_cal_words = find_flash(b, "Radio cal:");
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cur_freq_words = find_flash(b, "Frequency:");
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if (!cur_cal_words || !cur_freq_words) {
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fprintf(stderr, "no response\n");
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ret = 0;
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break;
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}
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cur_cal = atoi(cur_cal_words[2]);
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cur_freq = atoi(cur_freq_words[1]);
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printf ("Current radio calibration %d\n", cur_cal);
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printf ("Current radio frequency: %7.3f\n", cur_freq / 1000.0);
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cc_usb_sync(usb);
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cc_usb_printf(usb, "C 1\n");
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cc_usb_sync(usb);
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printf("Generating RF carrier. Please enter measured frequency [enter for done]: ");
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fflush(stdout);
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fgets(line, sizeof (line) - 1, stdin);
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cc_usb_printf(usb, "C 0\n");
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cc_usb_sync(usb);
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measured_freq = strtod(line, &line_end);
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if (line_end == line)
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break;
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new_cal = floor ((((double) cur_freq / 1000.0) / measured_freq) * cur_cal + 0.5);
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if (new_cal == cur_cal) {
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printf("Calibration value %d unchanged\n", cur_cal);
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} else {
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printf ("Setting cal value %d\n", new_cal);
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cc_usb_printf (usb, "c f %d\n", new_cal);
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changed = 1;
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cc_usb_sync(usb);
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}
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cc_usb_close(usb);
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}
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if (usb) {
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if (ret && save) {
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if (changed) {
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if (!do_save(usb))
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ret = 0;
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} else {
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printf("Calibration unchanged, not saving\n");
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}
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}
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if (ret && output) {
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if (!do_output(output, cur_cal))
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ret = 0;
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}
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cc_usb_close(usb);
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}
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return ret;
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}
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int
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main (int argc, char **argv)
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{
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char *device = NULL;
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int c;
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char *tty = NULL;
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int verbose = 0;
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int save = 1;
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int ret = 0;
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char *output = NULL;
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while ((c = getopt_long(argc, argv, "vnT:D:o:", options, NULL)) != -1) {
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switch (c) {
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case 'T':
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tty = optarg;
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break;
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case 'D':
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device = optarg;
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break;
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case 'v':
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verbose++;
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break;
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case 'n':
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save = 0;
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break;
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case 'o':
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output = optarg;
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break;
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default:
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usage(argv[0]);
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break;
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}
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}
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ao_verbose = verbose;
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if (verbose)
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ccdbg_add_debug(CC_DEBUG_BITBANG);
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if (!tty)
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tty = cc_usbdevs_find_by_arg(device, "AltosFlash");
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if (!tty)
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tty = cc_usbdevs_find_by_arg(device, "TeleMega");
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if (!tty)
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tty = getenv("ALTOS_TTY");
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if (!tty)
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tty="/dev/ttyACM0";
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if (!do_cal(tty, save, output))
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ret = 1;
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return ret;
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}
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