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RDMPacket.h
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1 /*
2  * This library is free software; you can redistribute it and/or
3  * modify it under the terms of the GNU Lesser General Public
4  * License as published by the Free Software Foundation; either
5  * version 2.1 of the License, or (at your option) any later version.
6  *
7  * This library is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10  * Lesser General Public License for more details.
11  *
12  * You should have received a copy of the GNU Lesser General Public
13  * License along with this library; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15  *
16  * RDMPacket.h
17  * Structures and constants used with RDM Packets.
18  * Copyright (C) 2005 Simon Newton
19  */
20 
28 #ifndef INCLUDE_OLA_RDM_RDMPACKET_H_
29 #define INCLUDE_OLA_RDM_RDMPACKET_H_
30 
31 #include <stdint.h>
32 #include <ola/rdm/UID.h>
33 
34 namespace ola {
35 namespace rdm {
36 
37 static const uint8_t START_CODE = 0xcc;
38 static const uint8_t SUB_START_CODE = 0x01;
39 static const unsigned int CHECKSUM_LENGTH = 2;
40 
41 
42 // Don't use anything other than uint8_t here otherwise we can get alignment
43 // issues.
44 typedef struct {
45  uint8_t sub_start_code;
46  uint8_t message_length;
47  uint8_t destination_uid[UID::UID_SIZE];
48  uint8_t source_uid[UID::UID_SIZE];
49  uint8_t transaction_number;
50  uint8_t port_id;
51  uint8_t message_count;
52  uint8_t sub_device[2];
53  uint8_t command_class;
54  uint8_t param_id[2];
55  uint8_t param_data_length;
57 } // namespace rdm
58 } // namespace ola
59 #endif // INCLUDE_OLA_RDM_RDMPACKET_H_
Definition: RDMPacket.h:44
A RDM unique identifier (UID).
Definition: UID.h:293
The namespace containing all OLA symbols.
Definition: Credentials.cpp:44