45 lines
843 B
C++
45 lines
843 B
C++
#include <cstring>
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#include <Arduino.h>
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#include "NukiDeviceId.h"
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#include "PreferencesKeys.h"
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NukiDeviceId::NukiDeviceId(Preferences* preferences, const std::string& preferencesId)
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: _preferences(preferences),
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_preferencesId(preferencesId)
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{
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_deviceId = _preferences->getUInt(_preferencesId.c_str());
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if(_deviceId == 0)
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{
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assignNewId();
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}
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}
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uint32_t NukiDeviceId::get()
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{
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return _deviceId;
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}
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void NukiDeviceId::assignId(const uint32_t& id)
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{
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_deviceId = id;
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_preferences->putUInt(_preferencesId.c_str(), id);
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}
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void NukiDeviceId::assignNewId()
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{
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assignId(getRandomId());
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}
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uint32_t NukiDeviceId::getRandomId()
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{
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uint8_t rnd[4];
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for(int i=0; i<4; i++)
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{
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rnd[i] = random(255);
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}
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uint32_t deviceId;
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memcpy(&deviceId, &rnd, sizeof(deviceId));
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return deviceId;
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}
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