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Improves in ESP32NVS library (#196)

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* Improved ESP32NVS default value support for read* functions

Fixed uninitialized NVS flash storage. Added example code.

* Add methods for String and remove unnecessary nvs_flash_init() in ESP32NVS class

+ other minor declaration fixes

* ESP32NVS function name renaming

* read* -> get*
* write* -> set*
* erase -> clear / remove
This commit is contained in:
Martin Sloup
2017-02-10 23:18:57 +01:00
committed by Me No Dev
parent 5de2429bf8
commit 0fb5e5ca11
4 changed files with 145 additions and 57 deletions
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46
libraries/ESP32NVS/src/ESP32NVS.h
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@ -28,30 +28,32 @@ class NVSClass {
bool begin(const char * name, bool readOnly=false);
void end();
bool erase();
bool erase(const char * key);
bool clear();
bool remove(const char * key);
size_t writeChar(const char* key, int8_t value);
size_t writeUChar(const char* key, uint8_t value);
size_t writeShort(const char* key, int16_t value);
size_t writeUShort(const char* key, uint16_t value);
size_t writeInt(const char* key, int32_t value);
size_t writeUInt(const char* key, uint32_t value);
size_t writeLong(const char* key, int64_t value);
size_t writeULong(const char* key, uint64_t value);
size_t writeString(const char* key, const char* value);
size_t writeBytes(const char* key, const void* value, size_t len);
size_t setChar(const char* key, int8_t value);
size_t setUChar(const char* key, uint8_t value);
size_t setShort(const char* key, int16_t value);
size_t setUShort(const char* key, uint16_t value);
size_t setInt(const char* key, int32_t value);
size_t setUInt(const char* key, uint32_t value);
size_t setLong(const char* key, int64_t value);
size_t setULong(const char* key, uint64_t value);
size_t setString(const char* key, const char* value);
size_t setString(const char* key, String value);
size_t setBytes(const char* key, const void* value, size_t len);
int8_t readChar(const char* key);
uint8_t readUChar(const char* key);
int16_t readShort(const char* key);
uint16_t readUShort(const char* key);
int32_t readInt(const char* key);
uint32_t readUInt(const char* key);
int64_t readLong(const char* key);
uint64_t readULong(const char* key);
String readString(const char* key);
size_t readBytes(const char* key, void * buf, size_t maxLen);
int8_t getChar(const char* key, int8_t defaultValue = 0);
uint8_t getUChar(const char* key, uint8_t defaultValue = 0);
int16_t getShort(const char* key, int16_t defaultValue = 0);
uint16_t getUShort(const char* key, uint16_t defaultValue = 0);
int32_t getInt(const char* key, int32_t defaultValue = 0);
uint32_t getUInt(const char* key, uint32_t defaultValue = 0);
int64_t getLong(const char* key, int64_t defaultValue = 0);
uint64_t getULong(const char* key, uint64_t defaultValue = 0);
size_t getString(const char* key, char* value, size_t maxLen);
String getString(const char* key, String defaultValue = String());
size_t getBytes(const char* key, void * buf, size_t maxLen);
};
#endif