esp8266-sensornode/rtc-helpers.cpp

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/*
* ESP8266 RTC Memory Access library
*
* copyright: Jannik Beyerstedt | http://jannikbeyerstedt.de | code@jannikbeyerstedt.de
* license: http://www.gnu.org/licenses/gpl-3.0.txt GPLv3 License
*/
#include "rtc-helpers.hpp"
#include <ESP.h>
#define RTC_MEMCHECK_MAGIC 0xAABBCCDD // cheap input validation by using a magic constant
bool rtcMemoryLoad(rtcStore_t* rtcStore_ptr) {
if (ESP.rtcUserMemoryRead(0, (uint32_t*)rtcStore_ptr, sizeof(*rtcStore_ptr))) {
return (RTC_MEMCHECK_MAGIC == rtcStore_ptr->magic);
}
return false;
}
bool rtcMemoryStore(rtcStore_t* rtcStore_ptr) {
rtcStore_ptr->magic = RTC_MEMCHECK_MAGIC;
if (ESP.rtcUserMemoryWrite(0, (uint32_t*)rtcStore_ptr, sizeof(*rtcStore_ptr))) {
return true;
}
return false;
}