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96 lines
3.6 KiB
C
96 lines
3.6 KiB
C
4 years ago
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/*
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ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file memstreams.h
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* @brief Memory streams structures and macros.
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* @addtogroup HAL_MEMORY_STREAMS
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* @{
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*/
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#ifndef MEMSTREAMS_H
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#define MEMSTREAMS_H
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief @p MemStream specific data.
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*/
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#define _memory_stream_data \
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_base_sequential_stream_data \
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/* Pointer to the stream buffer.*/ \
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uint8_t *buffer; \
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/* Size of the stream.*/ \
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size_t size; \
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/* Current end of stream.*/ \
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size_t eos; \
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/* Current read offset.*/ \
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size_t offset;
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/**
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* @brief @p MemStream virtual methods table.
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*/
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struct MemStreamVMT {
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_base_sequential_stream_methods
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};
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/**
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* @extends BaseSequentialStream
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*
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* @brief Memory stream object.
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*/
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typedef struct {
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/** @brief Virtual Methods Table.*/
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const struct MemStreamVMT *vmt;
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_memory_stream_data
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} MemoryStream;
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void msObjectInit(MemoryStream *msp, uint8_t *buffer,
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size_t size, size_t eos);
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#ifdef __cplusplus
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}
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#endif
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#endif /* MEMSTREAMS_H */
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/** @} */
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