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m24lr64e: Initial Implementation

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This module was developed and tested on the Grove NFC Tag.  It is an
8KB EEPROM accessable (with various protection capabilites) via I2C
and NFC capable devices.

The code was based on the Seeed Studio example code with some help
from the datasheet.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Jon Trulson
2015-06-01 17:14:07 -06:00
committed by Mihai Tudor Panu
parent 6740932c47
commit 5733918a2f
9 changed files with 778 additions and 0 deletions
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3
examples/c++/CMakeLists.txt
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@ -122,6 +122,7 @@ add_executable (ht9170-example ht9170.cxx)
add_executable (h3lis331dl-example h3lis331dl.cxx)
add_executable (ad8232-example ad8232.cxx)
add_executable (grovescam-example grovescam.cxx)
add_executable (m24lr64e-example m24lr64e.cxx)
include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
include_directories (${PROJECT_SOURCE_DIR}/src/grove)
@ -222,6 +223,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/ht9170)
include_directories (${PROJECT_SOURCE_DIR}/src/h3lis331dl)
include_directories (${PROJECT_SOURCE_DIR}/src/ad8232)
include_directories (${PROJECT_SOURCE_DIR}/src/grovescam)
include_directories (${PROJECT_SOURCE_DIR}/src/m24lr64e)
target_link_libraries (hmc5883l-example hmc5883l ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (groveled-example grove ${CMAKE_THREAD_LIBS_INIT})
@ -345,3 +347,4 @@ target_link_libraries (ht9170-example ht9170 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (h3lis331dl-example h3lis331dl ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (ad8232-example ad8232 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (grovescam-example grovescam ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (m24lr64e-example m24lr64e ${CMAKE_THREAD_LIBS_INIT})

65
examples/c++/m24lr64e.cxx Normal file
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@ -0,0 +1,65 @@
/*
* 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;
}

59
examples/javascript/m24lr64e.js Normal file
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@ -0,0 +1,59 @@
/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */
/*
* 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.
*/
var nfcTagObj = require('jsupm_m24lr64e');
// Instantiate a M24LR64E Grove NFC Tag Module on UART 0
var nfcTag = new nfcTagObj.M24LR64E(nfcTagObj.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
var addr = (nfcTagObj.M24LR64E.EEPROM_I2C_LENGTH - 1);
console.log("Address: " + addr);
var byte = nfcTag.readByte(addr);
console.log("Read byte: " + byte.toString(16));
// Now change it to it's opposite and write it
byte = (~byte & 0xff);
nfcTag.writeByte(addr, byte);
console.log("Wrote inverted byte: " + byte.toString(16));
// Now read it back.
byte = nfcTag.readByte(addr);
console.log("Read byte: " + byte.toString(16));
// clean up
nfcTag = null;
nfcTagObj.cleanUp();
nfcTagObj = null;
console.log("Exiting...");
process.exit(0);

49
examples/python/m24lr64e.py Normal file
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@ -0,0 +1,49 @@
#!/usr/bin/python
# 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.
import sys
import pyupm_m24lr64e as nfcTagObj
# Instantiate a M24LR64E Grove NFC Tag Module on UART 0
nfcTag = nfcTagObj.M24LR64E(nfcTagObj.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
addr = (nfcTagObj.M24LR64E.EEPROM_I2C_LENGTH - 1)
print "Address: ", addr
byte = nfcTag.readByte(addr)
print "Read byte: ", format(byte, '02x')
# Now change it to it's opposite and write it
byte = (~byte & 0xff)
nfcTag.writeByte(addr, byte)
print "Wrote inverted byte: ", format(byte, '02x')
# Now read it back.
byte = nfcTag.readByte(addr)
print "Read byte: ", format(byte, '02x')