mirror of
https://github.com/esp8266/Arduino.git
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138 lines
3.7 KiB
C++
138 lines
3.7 KiB
C++
/*
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SD.h - A thin shim for Arduino ESP8266 Filesystems
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Copyright (c) 2019 Earle F. Philhower, III. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __SD_H__
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#define __SD_H__
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#include <Arduino.h>
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#include <FS.h>
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#include <SDFS.h>
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#undef FILE_READ
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#define FILE_READ sdfat::O_READ
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#undef FILE_WRITE
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#define FILE_WRITE (sdfat::O_READ | sdfat::O_WRITE | sdfat::O_CREAT | sdfat::O_APPEND)
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class SDClass {
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public:
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boolean begin(uint8_t csPin, SPISettings cfg = SPI_HALF_SPEED) {
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SDFS.setConfig(SDFSConfig(csPin, cfg));
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return (boolean)SDFS.begin();
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}
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void end(bool endSPI = true) {
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SDFS.end();
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if (endSPI) {
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SPI.end();
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}
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}
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File open(const char *filename, uint8_t mode = FILE_READ) {
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return SDFS.open(filename, getMode(mode));
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}
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File open(const String &filename, uint8_t mode = FILE_READ) {
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return open(filename.c_str(), mode);
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}
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boolean exists(const char *filepath) {
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return (boolean)SDFS.exists(filepath);
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}
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boolean exists(const String &filepath) {
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return (boolean)SDFS.exists(filepath.c_str());
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}
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boolean mkdir(const char *filepath) {
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return (boolean)SDFS.mkdir(filepath);
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}
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boolean mkdir(const String &filepath) {
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return (boolean)SDFS.mkdir(filepath.c_str());
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}
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boolean remove(const char *filepath) {
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return (boolean)SDFS.remove(filepath);
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}
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boolean remove(const String &filepath) {
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return remove(filepath.c_str());
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}
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boolean rmdir(const char *filepath) {
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return (boolean)SDFS.rmdir(filepath);
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}
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boolean rmdir(const String &filepath) {
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return rmdir(filepath.c_str());
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}
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uint8_t type() {
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return 0;//card.type();
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}
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uint8_t fatType() {
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return 0;//volume.fatType();
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}
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size_t blocksPerCluster() {
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return 0;//volume.blocksPerCluster();
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}
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size_t totalClusters() {
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return 0;//volume.clusterCount();
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}
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size_t blockSize() {
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return 512;
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}
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size_t totalBlocks() {
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return 0;//(totalClusters() / blocksPerCluster());
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}
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size_t clusterSize() {
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return 0;//blocksPerCluster() * blockSize();
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}
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size_t size() {
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return 0;//(clusterSize() * totalClusters());
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}
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private:
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const char *getMode(uint8_t mode) {
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bool read = (mode & sdfat::O_READ) ? true : false;
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bool write = (mode & sdfat::O_WRITE) ? true : false;
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bool append = (mode & sdfat::O_APPEND) ? true : false;
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if ( read & !write ) { return "r"; }
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else if ( !read & write & !append ) { return "w+"; }
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else if ( !read & write & append ) { return "a"; }
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else if ( read & write & !append ) { return "w+"; } // may be a bug in FS::mode interpretation, "r+" seems proper
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else if ( read & write & append ) { return "a+"; }
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else { return "r"; }
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}
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};
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#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_SD)
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extern SDClass SD;
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#endif
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#endif
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