/* * Author: Stefan Andritoiu <stefan.andritoiu@intel.com> * Copyright (c) 2015 Intel Corporation. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ //NOT TESTED!!! public class M24LR64ESample { static { try { System.loadLibrary("javaupm_m24lr64e"); } catch (UnsatisfiedLinkError e) { System.err.println("error in loading native library"); System.exit(-1); } } public static void main(String[] args) throws InterruptedException { // ! [Interesting] // Instantiate an M24LR64E on I2C bus 0 upm_m24lr64e.M24LR64E nfcTag = new upm_m24lr64e.M24LR64E(0); // This example accesses the device in the 'user' (default) mode, // reads the last byte of data in the EEPROM, inverts it, writes // it back, and then re-reads it. // Read the last byte of the EEPROM area int addr = upm_m24lr64e.M24LR64E.EEPROM_I2C_LENGTH - 1; System.out.println("Address: " + addr); short read = nfcTag.readByte(addr); System.out.println("Read: " + read); // Now change it to it's opposite and write it read = (short) (~read & 0xff); nfcTag.writeByte(addr, read); System.out.println("Wrote: " + read); // Now read it back read = nfcTag.readByte(addr); System.out.println("Read: " + read); // ! [Interesting] } }