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/*
* Copyright © 2009 Keith Packard <keithp@keithp.com>
*
* 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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <getopt.h>
#include <string.h>
#include "cc-usb.h"
#include "cc.h"
#define NUM_BLOCK 512
static const struct option options[] = {
{ .name = "tty", .has_arg = 1, .val = 'T' },
{ .name = "device", .has_arg = 1, .val = 'D' },
{ .name = "remote", .has_arg = 0, .val = 'R' },
{ .name = "channel", .has_arg = 1, .val = 'C' },
{ 0, 0, 0, 0},
};
static void usage(char *program)
{
fprintf(stderr, "usage: %s [--tty <tty-name>] [--device <device-name>] [--remote] [--channel <radio-channel>]\n", program);
exit(1);
}
static uint8_t
log_checksum(int d[8])
{
uint8_t sum = 0x5a;
int i;
for (i = 0; i < 8; i++)
sum += (uint8_t) d[i];
return -sum;
}
static const char *state_names[] = {
"startup",
"idle",
"pad",
"boost",
"fast",
"coast",
"drogue",
"main",
"landed",
"invalid"
};
int
main (int argc, char **argv)
{
struct cc_usb *cc;
char *tty = NULL;
char *device = NULL;
int c;
char line[8192];
FILE *out;
char *filename;
int serial_number = 0;
int channel = 0;
int flight = 0;
char cmd;
int tick, a, b;
int block;
int addr;
int received_addr;
int data[8];
int done;
int column;
int remote = 0;
int any_valid;
int invalid;
char serial_line[8192];
unsigned storage_size;
int blocks;
while ((c = getopt_long(argc, argv, "T:D:C:R", options, NULL)) != -1) {
switch (c) {
case 'T':
tty = optarg;
break;
case 'D':
device = optarg;
break;
case 'R':
remote = 1;
break;
case 'C':
channel = atoi(optarg);
break;
default:
usage(argv[0]);
break;
}
}
if (!tty) {
if (remote)
tty = cc_usbdevs_find_by_arg(device, "TeleDongle");
else
tty = cc_usbdevs_find_by_arg(device, "TeleMetrum");
}
if (!tty)
tty = getenv("ALTOS_TTY");
if (!tty)
tty="/dev/ttyACM0";
cc = cc_usb_open(tty);
if (!cc)
exit(1);
if (remote)
cc_usb_open_remote(cc, channel);
/* send a 'version' command followed by a 'log' command */
cc_usb_printf(cc, "v\n");
out = NULL;
for (;;) {
cc_usb_getline(cc, line, sizeof (line));
if (sscanf(line, "serial-number %u", &serial_number) == 1)
strcpy(serial_line, line);
if (!strncmp(line, "software-version", 16))
break;
}
if (!serial_number) {
fprintf(stderr, "no serial number found\n");
cc_usb_close(cc);
exit(1);
}
cc_usb_printf(cc, "f\n");
storage_size = 0;
for (;;) {
cc_usb_getline(cc, line, sizeof(line));
if (sscanf(line, "Storage size: %u", &storage_size) == 1)
break;
}
printf ("Serial number: %d Storage size: %u\n", serial_number, storage_size);
if (storage_size)
blocks = storage_size / 256;
else
blocks = 511;
done = 0;
column = 0;
for (block = 0; !done && block < blocks; block++) {
cc_usb_printf(cc, "e %x\n", block);
if (column == 64) {
putchar('\n');
column = 0;
}
putchar('.'); fflush(stdout); column++;
any_valid = 0;
for (addr = 0; addr < 0x100;) {
cc_usb_getline(cc, line, sizeof (line));
if (sscanf(line, "00%x %x %x %x %x %x %x %x %x",
&received_addr,
&data[0], &data[1], &data[2], &data[3],
&data[4], &data[5], &data[6], &data[7]) == 9)
{
if (received_addr != addr)
fprintf(stderr, "data out of sync at 0x%x\n",
block * 256 + received_addr);
if (log_checksum(data) != 0)
fprintf (stderr, "invalid checksum at 0x%x\n",
block * 256 + received_addr);
else
any_valid = 1;
cmd = data[0];
tick = data[2] + (data[3] << 8);
a = data[4] + (data[5] << 8);
b = data[6] + (data[7] << 8);
if (cmd == 'F') {
flight = b;
filename = cc_make_filename(serial_number, flight, "eeprom");
printf ("Flight: %d\n", flight);
printf ("File name: %s\n", filename);
out = fopen (filename, "w");
if (!out) {
perror(filename);
exit(1);
}
fprintf(out, "%s\n", serial_line);
}
if (cmd == 'S' && a <= 8) {
if (column) putchar('\n');
printf("%s\n", state_names[a]);
column = 0;
}
if (out) {
fprintf(out, "%c %4x %4x %4x\n",
cmd, tick, a, b);
if (cmd == 'S' && a == 8) {
fclose(out);
out = NULL;
done = 1;
}
}
addr += 8;
}
}
if (!any_valid) {
fclose(out);
out = NULL;
done = 1;
}
}
if (column)
putchar('\n');
if (out)
fclose (out);
cc_usb_close(cc);
exit (0);
}
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