| /* |
| * Author: Jon Trulson <jtrulson@ics.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. |
| */ |
| |
| #include <unistd.h> |
| #include <iostream> |
| #include "m24lr64e.h" |
| |
| using namespace std; |
| using namespace upm; |
| |
| int main(int argc, char **argv) |
| { |
| //! [Interesting] |
| // Instantiate an M24LR64E on I2C bus 0 |
| |
| upm::M24LR64E *nfcTag = new upm::M24LR64E(M24LR64E_I2C_BUS); |
| |
| // 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 = M24LR64E::EEPROM_I2C_LENGTH - 1; |
| printf("Address: %d\n", addr); |
| uint8_t byte = nfcTag->readByte(addr); |
| printf("Read byte: %02x\n", byte); |
| |
| // Now change it to it's opposite and write it |
| byte = ~byte; |
| nfcTag->writeByte(addr, byte); |
| printf("Wrote inverted byte: %02x\n", byte); |
| |
| // Now read it back. |
| byte = nfcTag->readByte(addr); |
| printf("Read byte: %02x\n", byte); |
| |
| //! [Interesting] |
| |
| cout << "Exiting..." << endl; |
| |
| delete nfcTag; |
| return 0; |
| } |