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/**
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* Declaration of AutoConnectCredential class.
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* @file AutoConnectCredential.h
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* @author hieromon@gmail.com
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* @version 1.0.0
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* @date 2018-02-17
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* @copyright MIT license.
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*/
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#ifndef _AUTOCONNECTCREDENTIAL_H_
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#define _AUTOCONNECTCREDENTIAL_H_
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#if defined(ARDUINO) && ARDUINO >= 100
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#include "arduino.h"
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#else
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#include "WProgram.h"
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#endif
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extern "C" {
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#include <user_interface.h>
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}
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/** Credential storage area offset specifier in EEPROM.
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* By defining AC_IDENTIFIER_OFFSET macro in the user sketch, the credential
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* storage area can be shifted in EEPROM.
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*/
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#ifndef AC_IDENTIFIER_OFFSET
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#define AC_IDENTIFIER_OFFSET 0
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#endif
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/** AutoConnectCredential class. */
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class AutoConnectCredential {
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public:
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AutoConnectCredential();
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AutoConnectCredential(uint16_t offset);
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~AutoConnectCredential();
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uint8_t entries() { return _entries; }
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bool del(const char* ssid);
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int8_t load(const char* ssid, struct station_config* config);
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bool load(int8_t entry, struct station_config* config);
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bool save(const struct station_config* config);
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private:
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void _allocateEntry(); /**< Initialize storage for credentials. */
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void _retrieveEntry(char* ssid, char* password, uint8_t* bssid); /**< Read an available entry. */
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uint8_t _entries; /**< Count of the available entry */
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uint16_t _containSize; /**< Container size */
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int _dp; /**< The current address in EEPROM */
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int _ep; /**< The current entry address in EEPROM */
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uint16_t _offset; /**< The offset for the saved area of credentials in EEPROM. */
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};
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#endif // _AUTOCONNECTCREDENTIAL_H_
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