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message.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  * message.h
17  * Copyright (C) 2015 Simon Newton
18  */
19 
27 #ifndef FIRMWARE_SRC_MESSAGE_H_
28 #define FIRMWARE_SRC_MESSAGE_H_
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
34 #include <stdint.h>
35 
39 typedef struct {
40  uint16_t command;
41  uint16_t length;
42  const uint8_t* payload;
43 } Message;
44 
45 
50 typedef void (*MessageHandler)(const Message*);
51 
52 #ifdef __cplusplus
53 }
54 #endif
55 
56 #endif // FIRMWARE_SRC_MESSAGE_H_
57 
MessageHandler
void(* MessageHandler)(const Message *)
A function pointer used to handle new messages.
Definition: message.h:50
Message
A de-serialized message.
Definition: message.h:39
Message::command
uint16_t command
The Command.
Definition: message.h:40
Message::length
uint16_t length
The payload length.
Definition: message.h:41
Message::payload
const uint8_t * payload
A pointer to the payload data.
Definition: message.h:42