| /* (C) 2020 by Harald Welte <laforge@gnumonks.org> |
| * All Rights Reserved |
| * |
| * SPDX-License-Identifier: GPL-2.0-or-later |
| * |
| * 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. |
| */ |
| |
| #include <string.h> |
| #include <sys/types.h> |
| #include <fcntl.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <getopt.h> |
| #include <unistd.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <inttypes.h> |
| |
| #include <osmocom/core/isdnhdlc.h> |
| |
| static struct osmo_isdnhdlc_vars g_hdlc; |
| |
| /* read bitstream from STDIN, pass through HDLC decoder, write decoded frames to stdout */ |
| |
| int main(int argc, char **argv) |
| { |
| osmo_isdnhdlc_rcv_init(&g_hdlc, OSMO_HDLC_F_BITREVERSE); |
| |
| while (1) { |
| uint8_t inbuf[320]; |
| uint8_t outbuf[2048]; |
| int rc, inlen, outlen; |
| |
| rc = read(0, inbuf, sizeof(inbuf)); |
| if (rc < 0) |
| exit(1); |
| else if (rc == 0) |
| exit(0); |
| |
| inlen = rc; |
| rc = osmo_isdnhdlc_decode(&g_hdlc, inbuf, inlen, &outlen, outbuf, sizeof(outbuf)); |
| |
| if (outlen > 0) |
| write(1, outbuf, outlen); |
| } |
| } |