127 lines
2.7 KiB
C
127 lines
2.7 KiB
C
/*
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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 "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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{ 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] [--device=<AltOS-device>] [-tty=<tty>] [<kbytes>]\n", program);
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exit(1);
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}
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static void
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done(struct cc_usb *cc, int code)
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{
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cc_usb_close(cc);
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exit (code);
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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 i;
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int c;
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struct cc_usb *cc = NULL;
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char *tty = NULL;
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int verbose = 0;
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int ret = 0;
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int kbytes = 0; /* 0 == continuous */
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int written;
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uint8_t bits[1024];
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while ((c = getopt_long(argc, argv, "vT:D:", 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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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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if (optind < argc)
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kbytes = atoi(argv[optind]);
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ao_verbose = verbose;
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if (verbose > 1)
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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, "usbtrng");
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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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cc = cc_usb_open(tty);
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if (!cc)
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exit(1);
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if (kbytes) {
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cc_usb_printf(cc, "f %d\n", kbytes);
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while (kbytes--) {
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for (i = 0; i < 1024; i++)
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bits[i] = cc_usb_getchar(cc);
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write(1, bits, 1024);
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}
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} else { /* 0 == continuous */
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written = 0;
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while (written >= 0) {
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cc_usb_printf(cc, "f 1\n");
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for (i = 0; i < 1024; i++)
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bits[i] = cc_usb_getchar(cc);
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written = write(1, bits, 1024);
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}
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}
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done(cc, ret);
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}
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