96 lines
3.5 KiB
C
96 lines
3.5 KiB
C
|
/*
|
||
|
|
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @file memstreams.h
|
||
|
|
* @brief Memory streams structures and macros.
|
||
|
|
|
||
|
|
* @addtogroup memory_streams
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef MEMSTREAMS_H
|
||
|
|
#define MEMSTREAMS_H
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* Driver constants. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* Driver pre-compile time settings. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* Derived constants and error checks. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* Driver data structures and types. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief @p MemStream specific data.
|
||
|
|
*/
|
||
|
|
#define _memory_stream_data \
|
||
|
|
_base_sequential_stream_data \
|
||
|
|
/* Pointer to the stream buffer.*/ \
|
||
|
|
uint8_t *buffer; \
|
||
|
|
/* Size of the stream.*/ \
|
||
|
|
size_t size; \
|
||
|
|
/* Current end of stream.*/ \
|
||
|
|
size_t eos; \
|
||
|
|
/* Current read offset.*/ \
|
||
|
|
size_t offset;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief @p MemStream virtual methods table.
|
||
|
|
*/
|
||
|
|
struct MemStreamVMT {
|
||
|
|
_base_sequential_stream_methods
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @extends BaseSequentialStream
|
||
|
|
*
|
||
|
|
* @brief Memory stream object.
|
||
|
|
*/
|
||
|
|
typedef struct {
|
||
|
|
/** @brief Virtual Methods Table.*/
|
||
|
|
const struct MemStreamVMT *vmt;
|
||
|
|
_memory_stream_data
|
||
|
|
} MemoryStream;
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* Driver macros. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* External declarations. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
void msObjectInit(MemoryStream *msp, uint8_t *buffer,
|
||
|
|
size_t size, size_t eos);
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* MEMSTREAMS_H */
|
||
|
|
|
||
|
|
/** @} */
|