Reading and storing data structure from EEPROM,

DataStructure_EEPROM.cpp

#include <EEPROM.h>

uint8_t rx_buffer[10];
uint8_t rx_mem[10];

void setup() {
	Serial.begin(115200);
	loadStruct(&rx_mem, sizeof(rx_mem)); // Load data from EEPROM into array.
}

int rx_counter = 0;
void loop() {
	if (Serial.available() > 0) {
		int rx = Serial.read();

		if (rx > 0 && rx_counter < 10) {
			rx_buffer[rx_counter] = rx;
			rx_counter++;
		}
	}

  //Read => (02 01 02 03 04 05 06 07 08 02) TX, store in EEPROM
	if (rx_counter == 10 && rx_buffer[0] == 2 && rx_buffer[9] == 2) {
		storeStruct(&rx_buffer, sizeof(rx_buffer)); //store array values in EEPROM

		for (int i = 0; i < rx_counter; i++)
		{
			Serial.write(rx_buffer[i]);
		}

		Serial.print("Update");
	}

  //Read => (01) TX, Read stored data structure. 
	if (rx_counter == 1 && rx_buffer[0] == 1) {
		loadStruct(&rx_mem, sizeof(rx_mem));

		for (int i = 0; i < sizeof(rx_mem); i++)
		{
			Serial.write(rx_mem[i]);
		}

		memset(rx_buffer, 0, sizeof(rx_buffer));
		rx_counter = 0;

		Serial.print("Loaded");
	}

	if (rx_counter == 10) {
		memset(rx_buffer, 0, sizeof(rx_buffer));
		rx_counter = 0;
	}
}

void storeStruct(void *data_source, size_t size)
{
	EEPROM.begin(size * 2);
	for (size_t i = 0; i < size; i++)
	{
		char data = ((char *)data_source)[i];
		EEPROM.write(i, data);
	}
	EEPROM.commit();
}

void loadStruct(void *data_dest, size_t size)
{
	EEPROM.begin(size * 2);
	for (size_t i = 0; i < size; i++)
	{
		char data = EEPROM.read(i);
		((char *)data_dest)[i] = data;
	}
}