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Earle F. Philhower, III 968d6fcb0a
Make FILE_WRITE append in SD.h wrapper (#6106)
* Make FILE_WRITE append in SD.h wrapper

Fixes #6105

* Update host tests
2019-05-16 17:12:09 -07:00

138 lines
3.7 KiB
C++

/*
SD.h - A thin shim for Arduino ESP8266 Filesystems
Copyright (c) 2019 Earle F. Philhower, III. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __SD_H__
#define __SD_H__
#include <Arduino.h>
#include <FS.h>
#include <SDFS.h>
#undef FILE_READ
#define FILE_READ sdfat::O_READ
#undef FILE_WRITE
#define FILE_WRITE (sdfat::O_READ | sdfat::O_WRITE | sdfat::O_CREAT | sdfat::O_APPEND)
class SDClass {
public:
boolean begin(uint8_t csPin, SPISettings cfg = SPI_HALF_SPEED) {
SDFS.setConfig(SDFSConfig(csPin, cfg));
return (boolean)SDFS.begin();
}
void end(bool endSPI = true) {
SDFS.end();
if (endSPI) {
SPI.end();
}
}
File open(const char *filename, uint8_t mode = FILE_READ) {
return SDFS.open(filename, getMode(mode));
}
File open(const String &filename, uint8_t mode = FILE_READ) {
return open(filename.c_str(), mode);
}
boolean exists(const char *filepath) {
return (boolean)SDFS.exists(filepath);
}
boolean exists(const String &filepath) {
return (boolean)SDFS.exists(filepath.c_str());
}
boolean mkdir(const char *filepath) {
return (boolean)SDFS.mkdir(filepath);
}
boolean mkdir(const String &filepath) {
return (boolean)SDFS.mkdir(filepath.c_str());
}
boolean remove(const char *filepath) {
return (boolean)SDFS.remove(filepath);
}
boolean remove(const String &filepath) {
return remove(filepath.c_str());
}
boolean rmdir(const char *filepath) {
return (boolean)SDFS.rmdir(filepath);
}
boolean rmdir(const String &filepath) {
return rmdir(filepath.c_str());
}
uint8_t type() {
return 0;//card.type();
}
uint8_t fatType() {
return 0;//volume.fatType();
}
size_t blocksPerCluster() {
return 0;//volume.blocksPerCluster();
}
size_t totalClusters() {
return 0;//volume.clusterCount();
}
size_t blockSize() {
return 512;
}
size_t totalBlocks() {
return 0;//(totalClusters() / blocksPerCluster());
}
size_t clusterSize() {
return 0;//blocksPerCluster() * blockSize();
}
size_t size() {
return 0;//(clusterSize() * totalClusters());
}
private:
const char *getMode(uint8_t mode) {
bool read = (mode & sdfat::O_READ) ? true : false;
bool write = (mode & sdfat::O_WRITE) ? true : false;
bool append = (mode & sdfat::O_APPEND) ? true : false;
if ( read & !write ) { return "r"; }
else if ( !read & write & !append ) { return "w+"; }
else if ( !read & write & append ) { return "a"; }
else if ( read & write & !append ) { return "w+"; } // may be a bug in FS::mode interpretation, "r+" seems proper
else if ( read & write & append ) { return "a+"; }
else { return "r"; }
}
};
#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_SD)
extern SDClass SD;
#endif
#endif