73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
/*
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Copyright (c) 2017 Arduino LLC. All right 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.
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See the GNU 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 _SERIALFLASH_STORAGE_H_INCLUDED
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#define _SERIALFLASH_STORAGE_H_INCLUDED
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#include <SerialFlash.h>
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#include "OTAStorage.h"
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#define SERIAL_FLASH_BUFFER_SIZE 64
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#define SERIAL_FLASH_CS 5
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class SerialFlashStorageClass : public ExternalOTAStorage {
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public:
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virtual int open(int length) {
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if (!SerialFlash.begin(SERIAL_FLASH_CS)) {
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return 0;
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}
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while (!SerialFlash.ready()) {}
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if (SerialFlash.exists(updateFileName)) {
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SerialFlash.remove(updateFileName);
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}
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if (SerialFlash.create(updateFileName, length)) {
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_file = SerialFlash.open(updateFileName);
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}
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if (!_file) {
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return 0;
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}
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return 1;
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}
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virtual size_t write(uint8_t b) {
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while (!SerialFlash.ready()) {}
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int ret = _file.write(&b, 1);
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return ret;
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}
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virtual void close() {
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_file.close();
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}
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virtual void clear() {
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SerialFlash.remove(updateFileName);
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}
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private:
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SerialFlashFile _file;
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};
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#endif
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