78 lines
3.3 KiB
C++
78 lines
3.3 KiB
C++
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _PREFERENCES_H_
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#define _PREFERENCES_H_
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#include "Arduino.h"
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typedef enum {
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PT_I8, PT_U8, PT_I16, PT_U16, PT_I32, PT_U32, PT_I64, PT_U64, PT_STR, PT_BLOB, PT_INVALID
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} PreferenceType;
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class Preferences {
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protected:
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uint32_t _handle;
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bool _started;
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bool _readOnly;
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public:
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Preferences();
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~Preferences();
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bool begin(const char * name, bool readOnly=false, const char* partition_label=NULL);
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void end();
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bool clear();
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bool remove(const char * key);
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size_t putChar(const char* key, int8_t value);
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size_t putUChar(const char* key, uint8_t value);
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size_t putShort(const char* key, int16_t value);
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size_t putUShort(const char* key, uint16_t value);
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size_t putInt(const char* key, int32_t value);
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size_t putUInt(const char* key, uint32_t value);
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size_t putLong(const char* key, int32_t value);
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size_t putULong(const char* key, uint32_t value);
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size_t putLong64(const char* key, int64_t value);
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size_t putULong64(const char* key, uint64_t value);
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size_t putFloat(const char* key, float_t value);
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size_t putDouble(const char* key, double_t value);
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size_t putBool(const char* key, bool value);
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size_t putString(const char* key, const char* value);
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size_t putString(const char* key, String value);
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size_t putBytes(const char* key, const void* value, size_t len);
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bool isKey(const char* key);
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PreferenceType getType(const char* key);
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int8_t getChar(const char* key, int8_t defaultValue = 0);
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uint8_t getUChar(const char* key, uint8_t defaultValue = 0);
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int16_t getShort(const char* key, int16_t defaultValue = 0);
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uint16_t getUShort(const char* key, uint16_t defaultValue = 0);
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int32_t getInt(const char* key, int32_t defaultValue = 0);
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uint32_t getUInt(const char* key, uint32_t defaultValue = 0);
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int32_t getLong(const char* key, int32_t defaultValue = 0);
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uint32_t getULong(const char* key, uint32_t defaultValue = 0);
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int64_t getLong64(const char* key, int64_t defaultValue = 0);
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uint64_t getULong64(const char* key, uint64_t defaultValue = 0);
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float_t getFloat(const char* key, float_t defaultValue = NAN);
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double_t getDouble(const char* key, double_t defaultValue = NAN);
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bool getBool(const char* key, bool defaultValue = false);
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size_t getString(const char* key, char* value, size_t maxLen);
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String getString(const char* key, String defaultValue = String());
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size_t getBytesLength(const char* key);
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size_t getBytes(const char* key, void * buf, size_t maxLen);
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size_t freeEntries();
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};
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#endif
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