1 
2 /** \addtogroup hal */
3 /** @{*/
4 /* mbed Microcontroller Library
5  * Copyright (c) 2014-2015 ARM Limited
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  *     http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  */
19 #ifndef MBED_BUFFER_H
20 #define MBED_BUFFER_H
21 
22 #include <stddef.h>
23 
24 /** Generic buffer structure
25  */
26 typedef struct buffer_s {
27     void    *buffer; /**< the pointer to a buffer */
28     size_t   length; /**< the buffer length */
29     size_t   pos;    /**< actual buffer position */
30     uint8_t  width;  /**< The buffer unit width (8, 16, 32, 64), used for proper *buffer casting */
31 } buffer_t;
32 
33 #endif
34 
35 /** @}*/
36