94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
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/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file fs_fatfs_impl.cpp
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* @brief FatFS file system wrapper.
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*
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* @addtogroup fs_fatfs_wrapper
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* @{
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*/
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#include "ch.hpp"
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#include "fs.hpp"
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#include "fatfs_fsimpl.hpp"
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#include "hal.h"
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#define MSG_TERMINATE (msg_t)0
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#define ERR_OK (msg_t)0
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#define ERR_TERMINATING (msg_t)1
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#define ERR_UNKNOWN_MSG (msg_t)2
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/**
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* @brief FatFS wrapper-related classes and interfaces.
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*/
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namespace chibios_fatfs {
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/*------------------------------------------------------------------------*
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* chibios_fatfs::FatFSWrapper::FatFSServerThread *
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*------------------------------------------------------------------------*/
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FatFSWrapper::FatFSServerThread::FatFSServerThread(::BaseBlockDevice *blkdev) :
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BaseStaticThread<FATFS_THREAD_STACK_SIZE>(),
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blkdev(blkdev) {
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start(FATFS_THREAD_PRIORITY);
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}
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FatFSWrapper::FatFSServerThread::~FatFSServerThread() {
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sendMessage(MSG_TERMINATE);
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wait();
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}
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msg_t FatFSWrapper::FatFSServerThread::main() {
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msg_t sts;
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/* Synchronous messages processing loop.*/
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while (true) {
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ThreadReference tr = waitMessage();
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msg_t msg = tr.getMessage();
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switch (msg) {
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case MSG_TERMINATE:
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/* The server object is being destroyed, terminating.*/
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tr.releaseMessage(ERR_TERMINATING);
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return 0;
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default:
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sts = ERR_UNKNOWN_MSG;
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}
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tr.releaseMessage(sts);
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}
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}
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/*------------------------------------------------------------------------*
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* chibios_fatfs::FatFSWrapper *
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*------------------------------------------------------------------------*/
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FatFSWrapper::FatFSWrapper(::BaseBlockDevice *blkdev) : server(blkdev) {
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server.start(FATFS_THREAD_PRIORITY);
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}
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FatFSWrapper::~FatFSWrapper() {
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server.~FatFSServerThread();
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}
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}
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/** @} */
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