2012-05-28 15:24:54 +00:00
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/* packet-dmx.c
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* DMX packet disassembly.
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*
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* This dissector is written by
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2012-07-16 12:34:33 +00:00
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*
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2012-05-28 15:24:54 +00:00
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* Erwin Rol <erwin@erwinrol.com>
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* Copyright 2012 Erwin Rol
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*
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* Wireshark - Network traffic analyzer
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* Gerald Combs <gerald@wireshark.org>
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* Copyright 1999 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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2012-07-16 12:34:33 +00:00
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*
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2012-05-28 15:24:54 +00:00
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor
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* Boston, MA 02110-1301, USA.
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*/
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/*
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* This dissector is based on;
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* American National Standard E1.11 - 2004
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* Entertainment Technology USITT DMX512-A
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* Asynchronous Serial Digital Data Transmission Standard
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* for Controlling Lighting Equipment and Accessories
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*/
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2012-09-20 02:03:38 +00:00
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#include "config.h"
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2012-05-28 15:24:54 +00:00
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#include <epan/packet.h>
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2015-12-20 03:36:58 +00:00
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#include <epan/prefs.h>
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2012-05-28 15:24:54 +00:00
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#define DMX_SC_DMX 0x00
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#define DMX_SC_TEXT 0x17
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#define DMX_SC_TEST 0x55
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#define DMX_SC_RDM 0xCC
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#define DMX_SC_SIP 0xCF
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2015-12-20 03:36:58 +00:00
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#define DMX_TEST_PACKET_SIZE 512
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#define DMX_TEST_VALUE 0x55
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2012-05-28 15:24:54 +00:00
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static const value_string dmx_sc_vals[] = {
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{ DMX_SC_DMX, "DMX" },
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{ DMX_SC_TEXT, "Text" },
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{ DMX_SC_TEST, "Test" },
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{ DMX_SC_RDM, "RDM" },
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{ DMX_SC_SIP, "SIP" },
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{ 0, NULL },
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};
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2013-03-16 16:25:41 +00:00
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void proto_register_dmx(void);
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2015-12-20 03:36:58 +00:00
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void proto_register_dmx_chan(void);
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void proto_register_dmx_sip(void);
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void proto_register_dmx_test(void);
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void proto_register_dmx_text(void);
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2012-05-28 15:24:54 +00:00
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void proto_reg_handoff_dmx(void);
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static int proto_dmx = -1;
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2015-12-20 03:36:58 +00:00
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static int proto_dmx_chan = -1;
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static int proto_dmx_sip = -1;
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static int proto_dmx_test = -1;
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static int proto_dmx_text = -1;
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2012-05-28 15:24:54 +00:00
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static int hf_dmx_start_code = -1;
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2015-12-20 03:36:58 +00:00
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static int hf_dmx_chan_output_dmx_data = -1;
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static int hf_dmx_chan_output_data_filter = -1;
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static int hf_dmx_sip_byte_count = -1;
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static int hf_dmx_sip_control_bit_field = -1;
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static int hf_dmx_sip_prev_packet_checksum = -1;
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static int hf_dmx_sip_seq_nr = -1;
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static int hf_dmx_sip_dmx_universe_nr = -1;
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static int hf_dmx_sip_dmx_proc_level = -1;
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static int hf_dmx_sip_dmx_software_version = -1;
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static int hf_dmx_sip_dmx_packet_len = -1;
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static int hf_dmx_sip_dmx_nr_packets = -1;
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static int hf_dmx_sip_orig_dev_id = -1;
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static int hf_dmx_sip_sec_dev_id = -1;
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static int hf_dmx_sip_third_dev_id = -1;
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static int hf_dmx_sip_fourth_dev_id = -1;
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static int hf_dmx_sip_fifth_dev_id = -1;
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static int hf_dmx_sip_reserved = -1;
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static int hf_dmx_sip_checksum = -1;
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static int hf_dmx_sip_checksum_good = -1;
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static int hf_dmx_sip_checksum_bad = -1;
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static int hf_dmx_sip_trailer = -1;
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static int hf_dmx_test_data = -1;
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static int hf_dmx_test_data_good = -1;
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static int hf_dmx_test_data_bad = -1;
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static int hf_dmx_text_page_nr = -1;
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static int hf_dmx_text_line_len = -1;
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static int hf_dmx_text_string = -1;
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static int ett_dmx_chan = -1;
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static int ett_dmx_sip = -1;
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static int ett_dmx_test = -1;
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static int ett_dmx_text = -1;
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static dissector_table_t dmx_dissector_table;
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2012-05-28 15:24:54 +00:00
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static dissector_handle_t dmx_text_handle;
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2012-07-16 12:34:33 +00:00
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static dissector_handle_t data_handle;
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2012-05-28 15:24:54 +00:00
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2015-12-20 03:36:58 +00:00
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/*
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* Here are the global variables associated with the preferences for DMX
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*/
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static gint global_disp_chan_val_type = 0;
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static gint global_disp_col_count = 16;
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static gint global_disp_chan_nr_type = 0;
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static int
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dissect_dmx_chan(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "DMX Channels");
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col_clear(pinfo->cinfo, COL_INFO);
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if (tree != NULL) {
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static const char *chan_format[] = {
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"%2u%% ",
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"0x%02x ",
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"%3u "
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};
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static const char *string_format[] = {
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"0x%03x: %s",
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"%3u: %s"
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};
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wmem_strbuf_t *chan_str = wmem_strbuf_new_label(wmem_packet_scope());
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proto_item *item;
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guint16 length,r,c,row_count;
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guint8 v;
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guint offset = 0;
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proto_tree *ti = proto_tree_add_item(tree, proto_dmx_chan, tvb, offset, -1, ENC_NA);
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proto_tree *dmx_chan_tree = proto_item_add_subtree(ti, ett_dmx_chan);
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length = tvb_reported_length_remaining(tvb, offset);
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row_count = (length / global_disp_col_count) + ((length % global_disp_col_count) == 0 ? 0 : 1);
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for (r = 0; r < row_count;r++) {
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wmem_strbuf_truncate(chan_str, 0);
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for (c = 0;(c < global_disp_col_count) && (((r * global_disp_col_count) + c) < length);c++) {
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if ((global_disp_col_count >= 2) && ((c % (global_disp_col_count / 2)) == 0)) {
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wmem_strbuf_append(chan_str, " ");
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}
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v = tvb_get_guint8(tvb, (offset + (r * global_disp_col_count) + c));
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if (global_disp_chan_val_type == 0) {
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v = (v * 100) / 255;
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if (v == 100) {
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wmem_strbuf_append(chan_str, "FL ");
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} else {
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wmem_strbuf_append_printf(chan_str, chan_format[global_disp_chan_val_type], v);
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}
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} else {
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wmem_strbuf_append_printf(chan_str, chan_format[global_disp_chan_val_type], v);
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}
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}
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proto_tree_add_none_format(dmx_chan_tree, hf_dmx_chan_output_dmx_data, tvb,
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offset+(r * global_disp_col_count), c,
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string_format[global_disp_chan_nr_type],
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(r * global_disp_col_count) + 1, wmem_strbuf_get_str(chan_str));
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}
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/* Add the real type hidden */
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item = proto_tree_add_item(dmx_chan_tree, hf_dmx_chan_output_data_filter, tvb,
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offset, length, ENC_NA );
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PROTO_ITEM_SET_HIDDEN(item);
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}
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return tvb_captured_length(tvb);
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}
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static guint8
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dmx_sip_checksum(tvbuff_t *tvb, guint length)
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{
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guint8 sum = DMX_SC_SIP;
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guint i;
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for (i = 0; i < length; i++)
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sum += tvb_get_guint8(tvb, i);
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return sum;
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}
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static int
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dissect_dmx_sip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "DMX SIP");
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col_clear(pinfo->cinfo, COL_INFO);
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if (tree != NULL) {
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guint offset = 0;
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guint byte_count;
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guint checksum, checksum_shouldbe;
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proto_item *item;
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proto_tree *checksum_tree;
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proto_tree *ti = proto_tree_add_item(tree, proto_dmx_sip, tvb,
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offset, -1, ENC_NA);
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proto_tree *dmx_sip_tree = proto_item_add_subtree(ti, ett_dmx_sip);
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byte_count = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_byte_count, tvb,
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offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_control_bit_field, tvb,
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offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_prev_packet_checksum, tvb,
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offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_seq_nr, tvb,
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offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_dmx_universe_nr, tvb,
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offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_dmx_proc_level, tvb,
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offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_dmx_software_version, tvb,
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offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_dmx_packet_len, tvb,
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offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_dmx_nr_packets, tvb,
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offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_orig_dev_id, tvb,
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offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_sec_dev_id, tvb,
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offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_third_dev_id, tvb,
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offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_fourth_dev_id, tvb,
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offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_fifth_dev_id, tvb,
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offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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if (offset < byte_count) {
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_reserved, tvb,
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offset, byte_count - offset, ENC_NA);
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offset += (byte_count - offset);
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}
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dmx_sip_checksum(tvb, offset);
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checksum_shouldbe = dmx_sip_checksum(tvb, offset);
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checksum = tvb_get_guint8(tvb, offset);
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item = proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_checksum, tvb,
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offset, 1, ENC_BIG_ENDIAN);
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if (checksum == checksum_shouldbe) {
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proto_item_append_text(item, " [correct]");
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checksum_tree = proto_item_add_subtree(item, ett_dmx_sip);
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item = proto_tree_add_boolean(checksum_tree, hf_dmx_sip_checksum_good, tvb,
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offset, 1, TRUE);
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PROTO_ITEM_SET_GENERATED(item);
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item = proto_tree_add_boolean(checksum_tree, hf_dmx_sip_checksum_bad, tvb,
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offset, 1, FALSE);
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PROTO_ITEM_SET_GENERATED(item);
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} else {
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proto_item_append_text(item, " [incorrect, should be 0x%02x]", checksum_shouldbe);
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checksum_tree = proto_item_add_subtree(item, ett_dmx_sip);
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item = proto_tree_add_boolean(checksum_tree, hf_dmx_sip_checksum_good, tvb,
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offset, 1, FALSE);
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PROTO_ITEM_SET_GENERATED(item);
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item = proto_tree_add_boolean(checksum_tree, hf_dmx_sip_checksum_bad, tvb,
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offset, 1, TRUE);
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PROTO_ITEM_SET_GENERATED(item);
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}
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offset += 1;
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if (offset < tvb_reported_length(tvb))
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proto_tree_add_item(dmx_sip_tree, hf_dmx_sip_trailer, tvb,
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offset, -1, ENC_NA);
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}
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return tvb_captured_length(tvb);
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}
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static int
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|
|
dissect_dmx_test(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
|
|
{
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "DMX Test Frame");
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
|
|
|
|
if (tree != NULL) {
|
|
|
|
guint offset = 0;
|
|
|
|
guint size, i, test_data_is_ok;
|
|
|
|
proto_tree *test_data_tree;
|
|
|
|
proto_item *item;
|
|
|
|
|
|
|
|
proto_tree *ti = proto_tree_add_item(tree, proto_dmx_test, tvb,
|
|
|
|
offset, -1, ENC_NA);
|
|
|
|
proto_tree *dmx_test_tree = proto_item_add_subtree(ti, ett_dmx_test);
|
|
|
|
|
|
|
|
size = tvb_reported_length_remaining(tvb, offset);
|
|
|
|
|
|
|
|
item = proto_tree_add_item(dmx_test_tree, hf_dmx_test_data, tvb,
|
|
|
|
offset, size, ENC_NA);
|
|
|
|
offset += size;
|
|
|
|
|
|
|
|
if (size == DMX_TEST_PACKET_SIZE) {
|
|
|
|
test_data_is_ok = TRUE;
|
|
|
|
for (i = 0; i < DMX_TEST_PACKET_SIZE; i++) {
|
|
|
|
if (tvb_get_guint8(tvb, i) != DMX_TEST_VALUE) {
|
|
|
|
test_data_is_ok = FALSE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
test_data_is_ok = FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (test_data_is_ok) {
|
|
|
|
proto_item_append_text(ti, ", Data correct");
|
|
|
|
proto_item_append_text(item, " [correct]");
|
|
|
|
|
|
|
|
test_data_tree = proto_item_add_subtree(item, ett_dmx_test);
|
|
|
|
item = proto_tree_add_boolean(test_data_tree, hf_dmx_test_data_good, tvb,
|
|
|
|
offset, size, TRUE);
|
|
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
item = proto_tree_add_boolean(test_data_tree, hf_dmx_test_data_bad, tvb,
|
|
|
|
offset, size, FALSE);
|
|
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
} else {
|
|
|
|
proto_item_append_text(ti, ", Data incorrect");
|
|
|
|
proto_item_append_text(item, " [incorrect]");
|
|
|
|
|
|
|
|
test_data_tree = proto_item_add_subtree(item, ett_dmx_test);
|
|
|
|
item = proto_tree_add_boolean(test_data_tree, hf_dmx_test_data_good, tvb,
|
|
|
|
offset, size, FALSE);
|
|
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
item = proto_tree_add_boolean(test_data_tree, hf_dmx_test_data_bad, tvb,
|
|
|
|
offset, size, TRUE);
|
|
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
dissect_dmx_text(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
|
|
{
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "DMX Text");
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
|
|
|
|
if (tree != NULL) {
|
|
|
|
guint offset = 0;
|
|
|
|
guint size;
|
|
|
|
|
|
|
|
proto_tree *ti = proto_tree_add_item(tree, proto_dmx_text, tvb,
|
|
|
|
offset, -1, ENC_NA);
|
|
|
|
proto_tree *dmx_text_tree = proto_item_add_subtree(ti, ett_dmx_text);
|
|
|
|
|
|
|
|
proto_tree_add_item(dmx_text_tree, hf_dmx_text_page_nr, tvb,
|
|
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
|
|
|
|
|
|
proto_tree_add_item(dmx_text_tree, hf_dmx_text_line_len, tvb,
|
|
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
|
|
|
|
|
|
size = tvb_reported_length_remaining(tvb, offset);
|
|
|
|
|
|
|
|
proto_tree_add_item(dmx_text_tree, hf_dmx_text_string, tvb,
|
|
|
|
offset, size, ENC_ASCII|ENC_NA);
|
|
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
|
|
}
|
2012-05-28 15:24:54 +00:00
|
|
|
|
2015-11-10 04:01:28 +00:00
|
|
|
static int
|
|
|
|
dissect_dmx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
2012-05-28 15:24:54 +00:00
|
|
|
{
|
2012-07-16 12:34:33 +00:00
|
|
|
tvbuff_t *next_tvb;
|
2013-01-04 05:22:43 +00:00
|
|
|
guint offset = 0;
|
2012-07-16 12:34:33 +00:00
|
|
|
guint8 start_code;
|
2012-05-28 15:24:54 +00:00
|
|
|
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "DMX");
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
|
2012-06-12 21:22:46 +00:00
|
|
|
start_code = tvb_get_guint8(tvb, offset);
|
|
|
|
proto_tree_add_item(tree, hf_dmx_start_code, tvb,
|
|
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
|
|
|
2012-07-16 12:34:33 +00:00
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
|
2015-12-20 03:36:58 +00:00
|
|
|
if (!dissector_try_uint_new(dmx_dissector_table, start_code, tvb, pinfo,
|
|
|
|
tree, TRUE, NULL)) {
|
|
|
|
call_dissector(data_handle, next_tvb, pinfo, tree);
|
2012-05-28 15:24:54 +00:00
|
|
|
}
|
2015-12-20 03:36:58 +00:00
|
|
|
|
2015-11-10 04:01:28 +00:00
|
|
|
return tvb_captured_length(tvb);
|
2012-05-28 15:24:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
proto_register_dmx(void)
|
|
|
|
{
|
|
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_dmx_start_code,
|
|
|
|
{ "Start Code", "dmx.start_code",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(dmx_sc_vals), 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
};
|
|
|
|
|
|
|
|
proto_dmx = proto_register_protocol("DMX", "DMX", "dmx");
|
|
|
|
proto_register_field_array(proto_dmx, hf, array_length(hf));
|
2015-12-09 04:04:01 +00:00
|
|
|
register_dissector("dmx", dissect_dmx, proto_dmx);
|
2015-12-20 03:36:58 +00:00
|
|
|
|
|
|
|
dmx_dissector_table = register_dissector_table("dmx", "DMX Start Code",
|
|
|
|
FT_UINT8, BASE_DEC, DISSECTOR_TABLE_NOT_ALLOW_DUPLICATE);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
proto_register_dmx_chan(void)
|
|
|
|
{
|
|
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_dmx_chan_output_data_filter,
|
|
|
|
{ "DMX data filter",
|
|
|
|
"dmx_chan.data_filter",
|
|
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_chan_output_dmx_data,
|
|
|
|
{ "DMX data",
|
|
|
|
"dmx_chan.dmx_data",
|
|
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
};
|
|
|
|
|
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_dmx_chan
|
|
|
|
};
|
|
|
|
|
|
|
|
module_t *dmx_chan_module;
|
|
|
|
|
|
|
|
static const enum_val_t disp_chan_val_types[] = {
|
|
|
|
{ "pro", "Percent", 0 },
|
|
|
|
{ "hex", "Hexadecimal", 1 },
|
|
|
|
{ "dec", "Decimal", 2 },
|
|
|
|
{ NULL, NULL, 0 }
|
|
|
|
};
|
|
|
|
|
|
|
|
static const enum_val_t disp_chan_nr_types[] = {
|
|
|
|
{ "hex", "Hexadecimal", 0 },
|
|
|
|
{ "dec", "Decimal", 1 },
|
|
|
|
{ NULL, NULL, 0 }
|
|
|
|
};
|
|
|
|
|
|
|
|
static const enum_val_t col_count[] = {
|
|
|
|
{ "6", "6", 6 },
|
|
|
|
{ "10", "10", 10 },
|
|
|
|
{ "12", "12", 12 },
|
|
|
|
{ "16", "16", 16 },
|
|
|
|
{ "24", "24", 24 },
|
|
|
|
{ NULL, NULL, 0 }
|
|
|
|
};
|
|
|
|
|
|
|
|
proto_dmx_chan = proto_register_protocol("DMX Channels","DMX Channels", "dmx_chan");
|
|
|
|
proto_register_field_array(proto_dmx_chan, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
register_dissector("dmx-chan", dissect_dmx_chan, proto_dmx_chan);
|
|
|
|
|
|
|
|
dmx_chan_module = prefs_register_protocol(proto_dmx_chan, NULL);
|
|
|
|
|
|
|
|
prefs_register_enum_preference(dmx_chan_module, "dmx_disp_chan_val_type",
|
|
|
|
"DMX Display channel value type",
|
|
|
|
"The way DMX values are displayed",
|
|
|
|
&global_disp_chan_val_type,
|
|
|
|
disp_chan_val_types, FALSE);
|
|
|
|
|
|
|
|
prefs_register_enum_preference(dmx_chan_module, "dmx_disp_chan_nr_type",
|
|
|
|
"DMX Display channel nr. type",
|
|
|
|
"The way DMX channel numbers are displayed",
|
|
|
|
&global_disp_chan_nr_type,
|
|
|
|
disp_chan_nr_types, FALSE);
|
|
|
|
|
|
|
|
prefs_register_enum_preference(dmx_chan_module, "dmx_disp_col_count",
|
|
|
|
"DMX Display Column Count",
|
|
|
|
"The number of columns for the DMX display",
|
|
|
|
&global_disp_col_count,
|
|
|
|
col_count, FALSE);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
proto_register_dmx_sip(void)
|
|
|
|
{
|
|
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_dmx_sip_byte_count,
|
|
|
|
{ "Byte Count", "dmx_sip.byte_count",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_control_bit_field,
|
|
|
|
{ "Control Bit Field", "dmx_sip.control_bit_field",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_prev_packet_checksum,
|
|
|
|
{ "Checksum of prev. packet", "dmx_sip.prev_packet_checksum",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_seq_nr,
|
|
|
|
{ "SIP sequence nr.", "dmx_sip.seq_nr",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_dmx_universe_nr,
|
|
|
|
{ "DMX512 universe nr.", "dmx_sip.dmx_universe_nr",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_dmx_proc_level,
|
|
|
|
{ "DMX512 processing level", "dmx_sip.dmx_proc_level",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_dmx_software_version,
|
|
|
|
{ "Software Version", "dmx_sip.dmx_software_version",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_dmx_packet_len,
|
|
|
|
{ "Standard Packet Len", "dmx_sip.dmx_packet_len",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_dmx_nr_packets,
|
|
|
|
{ "Number of Packets", "dmx_sip.dmx_nr_packets",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_orig_dev_id,
|
|
|
|
{ "1st Device's ID", "dmx_sip.orig_dev_id",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_sec_dev_id,
|
|
|
|
{ "2nd Device's ID", "dmx_sip.sec_dev_id",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_third_dev_id,
|
|
|
|
{ "3rd Device's ID", "dmx_sip.third_dev_id",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_fourth_dev_id,
|
|
|
|
{ "4th Device's ID", "dmx_sip.fourth_dev_id",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_fifth_dev_id,
|
|
|
|
{ "5th Device's ID", "dmx_sip.fifth_dev_id",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_reserved,
|
|
|
|
{ "Reserved", "dmx_sip.reserved",
|
|
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_checksum,
|
|
|
|
{ "Checksum", "dmx_sip.checksum",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_checksum_good,
|
|
|
|
{ "Good Checksum", "dmx_sip.checksum_good",
|
|
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
|
|
"True: checksum matches packet content; False: doesn't match content", HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_checksum_bad,
|
|
|
|
{ "Bad Checksum", "dmx_sip.checksum_bad",
|
|
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
|
|
"True: checksum doesn't match packet content; False: matches content", HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_sip_trailer,
|
|
|
|
{ "Trailer", "dmx_sip.trailer",
|
|
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
};
|
|
|
|
|
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_dmx_sip
|
|
|
|
};
|
|
|
|
|
|
|
|
proto_dmx_sip = proto_register_protocol("DMX SIP", "DMX SIP", "dmx_sip");
|
|
|
|
proto_register_field_array(proto_dmx_sip, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
proto_register_dmx_test(void)
|
|
|
|
{
|
|
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_dmx_test_data,
|
|
|
|
{ "Test Data", "dmx_test.data",
|
|
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_test_data_good,
|
|
|
|
{ "Data Good", "dmx_test.data_good",
|
|
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
|
|
"True: test data is correct; False: test data is incorrect", HFILL }},
|
|
|
|
|
|
|
|
{ &hf_dmx_test_data_bad,
|
|
|
|
{ "Data Bad", "dmx_test.data_bad",
|
|
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
|
|
"True: test data is incorrect; False: test data is correct", HFILL }},
|
|
|
|
};
|
|
|
|
|
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_dmx_test
|
|
|
|
};
|
|
|
|
|
|
|
|
proto_dmx_test = proto_register_protocol("DMX Test Frame", "DMX Test Frame", "dmx_test");
|
|
|
|
proto_register_field_array(proto_dmx_test, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
proto_register_dmx_text(void)
|
|
|
|
{
|
|
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_dmx_text_page_nr,
|
|
|
|
{ "Page Number",
|
|
|
|
"dmx_text.page_nr",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_dmx_text_line_len,
|
|
|
|
{ "Line Length",
|
|
|
|
"dmx_text.line_length",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_dmx_text_string,
|
|
|
|
{ "Text String",
|
|
|
|
"dmx_text.string",
|
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL }},
|
|
|
|
};
|
|
|
|
|
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_dmx_text
|
|
|
|
};
|
|
|
|
|
|
|
|
proto_dmx_text = proto_register_protocol("DMX Text Frame", "DMX Text Frame", "dmx_text");
|
|
|
|
proto_register_field_array(proto_dmx_text, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
2012-05-28 15:24:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
proto_reg_handoff_dmx(void)
|
|
|
|
{
|
2012-07-16 12:34:33 +00:00
|
|
|
dmx_text_handle = find_dissector("dmx-text");
|
2015-12-20 03:36:58 +00:00
|
|
|
|
|
|
|
dissector_add_uint("dmx", DMX_SC_DMX, create_dissector_handle(dissect_dmx_chan, proto_dmx_chan));
|
|
|
|
dissector_add_uint("dmx", DMX_SC_SIP, create_dissector_handle(dissect_dmx_sip, proto_dmx_sip));
|
|
|
|
dissector_add_uint("dmx", DMX_SC_TEST, create_dissector_handle(dissect_dmx_test, proto_dmx_test));
|
|
|
|
dissector_add_uint("dmx", DMX_SC_TEXT, create_dissector_handle(dissect_dmx_text, proto_dmx_text));
|
|
|
|
|
2012-07-16 12:34:33 +00:00
|
|
|
data_handle = find_dissector("data");
|
2012-05-28 15:24:54 +00:00
|
|
|
}
|
2014-10-05 19:57:05 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
|
|
*
|
|
|
|
* Local variables:
|
|
|
|
* c-basic-offset: 8
|
|
|
|
* tab-width: 8
|
|
|
|
* indent-tabs-mode: t
|
|
|
|
* End:
|
|
|
|
*
|
|
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
|
|
*/
|