From a48d0863baa5288621baaefa208b5710d12414fa Mon Sep 17 00:00:00 2001 From: Giovanni Di Sirio Date: Fri, 6 Feb 2015 13:47:47 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7667 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/lib/streams/memstreams.h | 95 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 os/hal/lib/streams/memstreams.h (limited to 'os/hal/lib/streams/memstreams.h') diff --git a/os/hal/lib/streams/memstreams.h b/os/hal/lib/streams/memstreams.h new file mode 100644 index 000000000..5d0072e2e --- /dev/null +++ b/os/hal/lib/streams/memstreams.h @@ -0,0 +1,95 @@ +/* + ChibiOS - Copyright (C) 2006..2015 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_ */ + +/** @} */ -- cgit v1.2.3