77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
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/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program 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 2, or (at your option)
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* any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "sd_card.hpp"
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#include <hal.h>
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#include "ff.h"
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namespace sd_card {
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FATFS fs;
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namespace {
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bool card_present = false;
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Status status_ { Status::NotPresent };
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FRESULT mount() {
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return f_mount(&fs, reinterpret_cast<const TCHAR*>(_T("")), 0);
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}
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} /* namespace */
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Signal<Status> status_signal;
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void poll_inserted() {
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const auto card_present_now = sdcIsCardInserted(&SDCD1);
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if( card_present_now != card_present ) {
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card_present = card_present_now;
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Status new_status { card_present ? Status::Present : Status::NotPresent };
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if( card_present ) {
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if( sdcConnect(&SDCD1) == CH_SUCCESS ) {
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if( mount() == FR_OK ) {
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new_status = Status::Mounted;
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} else {
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new_status = Status::MountError;
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}
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} else {
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new_status = Status::ConnectError;
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}
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} else {
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sdcDisconnect(&SDCD1);
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}
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status_ = new_status;
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status_signal.emit(status_);
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}
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}
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Status status() {
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return status_;
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}
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} /* namespace sd_card */
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