OpenPuck/OpenPuck/identity.cpp

#include "identity.h"
#include <Arduino.h>
#include <stdio.h>
#include <string.h>

char g_unit[16];
char g_board[16];
char g_usbSerial[18];

void genSerial()
{
	uint32_t id = NRF_FICR->DEVICEID[0] ^ NRF_FICR->DEVICEID[1];
	snprintf(g_unit, sizeof g_unit, "FXB99602%05lX",
		 (unsigned long)(id & 0xFFFFF));
	snprintf(g_board, sizeof g_board, "MXB99602%05lX",
		 (unsigned long)(id & 0xFFFFF));
}