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/*
* Copyright © 2014 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; version 2 of the License.
*
* 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 <err.h>
#include <fcntl.h>
#include <gelf.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <sysexits.h>
#include <unistd.h>
#include <getopt.h>
#include <string.h>
#include <stdbool.h>
#include "ao-elf.h"
#include "ccdbg.h"
#include "cc-usb.h"
#include "cc.h"
#include "ao-verbose.h"
static const struct option options[] = {
{ .name = "tty", .has_arg = 1, .val = 'T' },
{ .name = "device", .has_arg = 1, .val = 'D' },
{ .name = "verbose", .has_arg = 0, .val = 'v' },
{ 0, 0, 0, 0},
};
static void usage(char *program)
{
fprintf(stderr, "usage: %s [--verbose] [--device=<AltOS-device>] [-tty=<tty>] [<kbytes>]\n", program);
exit(1);
}
void
done(struct cc_usb *cc, int code)
{
cc_usb_close(cc);
exit (code);
}
int
main (int argc, char **argv)
{
char *device = NULL;
char *filename;
int i;
int c;
struct cc_usb *cc = NULL;
char *tty = NULL;
int verbose = 0;
int ret = 0;
int kbytes = 0; /* 0 == continuous */
int written;
uint8_t bits[1024];
while ((c = getopt_long(argc, argv, "vT:D:", options, NULL)) != -1) {
switch (c) {
case 'T':
tty = optarg;
break;
case 'D':
device = optarg;
break;
case 'v':
verbose++;
break;
default:
usage(argv[0]);
break;
}
}
if (optind < argc)
kbytes = atoi(argv[optind]);
ao_verbose = verbose;
if (verbose > 1)
ccdbg_add_debug(CC_DEBUG_BITBANG);
if (!tty)
tty = cc_usbdevs_find_by_arg(device, "usbtrng");
if (!tty)
tty = getenv("ALTOS_TTY");
if (!tty)
tty="/dev/ttyACM0";
cc = cc_usb_open(tty);
if (!cc)
exit(1);
if (kbytes) {
cc_usb_printf(cc, "f %d\n", kbytes);
while (kbytes--) {
for (i = 0; i < 1024; i++)
bits[i] = cc_usb_getchar(cc);
write(1, bits, 1024);
}
} else { /* 0 == continuous */
written = 0;
while (written >= 0) {
cc_usb_printf(cc, "f 1\n");
for (i = 0; i < 1024; i++)
bits[i] = cc_usb_getchar(cc);
written = write(1, bits, 1024);
}
}
done(cc, ret);
}
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