Vergil Cola / Mbed OS MQTTGatewayK64

Fork of my MQTTGateway

Dependencies:   mbed-http

easy-connect/atmel-rf-driver/source/at24mac.cpp@0:f1d3878b8dd9, 2017-04-08 (annotated)

Committer:
vpcola
Date:
Sat Apr 08 14:45:51 2017 +0000
Revision:
0:f1d3878b8dd9
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vpcola 0:f1d3878b8dd9 1 /*
vpcola 0:f1d3878b8dd9 2 * Copyright (c) 2016-2016 ARM Limited. All rights reserved.
vpcola 0:f1d3878b8dd9 3 * SPDX-License-Identifier: Apache-2.0
vpcola 0:f1d3878b8dd9 4 * Licensed under the Apache License, Version 2.0 (the License); you may
vpcola 0:f1d3878b8dd9 5 * not use this file except in compliance with the License.
vpcola 0:f1d3878b8dd9 6 * You may obtain a copy of the License at
vpcola 0:f1d3878b8dd9 7 *
vpcola 0:f1d3878b8dd9 8 * http://www.apache.org/licenses/LICENSE-2.0
vpcola 0:f1d3878b8dd9 9 *
vpcola 0:f1d3878b8dd9 10 * Unless required by applicable law or agreed to in writing, software
vpcola 0:f1d3878b8dd9 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
vpcola 0:f1d3878b8dd9 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
vpcola 0:f1d3878b8dd9 13 * See the License for the specific language governing permissions and
vpcola 0:f1d3878b8dd9 14 * limitations under the License.
vpcola 0:f1d3878b8dd9 15 */
vpcola 0:f1d3878b8dd9 16 #include "at24mac.h"
vpcola 0:f1d3878b8dd9 17
vpcola 0:f1d3878b8dd9 18 /* Device addressing */
vpcola 0:f1d3878b8dd9 19 #define AT24MAC_EEPROM_ADDRESS (0x0A<<4)
vpcola 0:f1d3878b8dd9 20 #define AT24MAC_RW_PROTECT_ADDRESS (0x06<<4)
vpcola 0:f1d3878b8dd9 21 #define AT24MAC_SERIAL_ADDRESS (0x0B<<4)
vpcola 0:f1d3878b8dd9 22
vpcola 0:f1d3878b8dd9 23 /* Known memory blocks */
vpcola 0:f1d3878b8dd9 24 #define AT24MAC_SERIAL_OFFSET (0x80)
vpcola 0:f1d3878b8dd9 25 #define AT24MAC_EUI64_OFFSET (0x98)
vpcola 0:f1d3878b8dd9 26 #define AT24MAC_EUI48_OFFSET (0x9A)
vpcola 0:f1d3878b8dd9 27
vpcola 0:f1d3878b8dd9 28 #define SERIAL_LEN 16
vpcola 0:f1d3878b8dd9 29 #define EUI64_LEN 8
vpcola 0:f1d3878b8dd9 30 #define EUI48_LEN 6
vpcola 0:f1d3878b8dd9 31
vpcola 0:f1d3878b8dd9 32 AT24Mac::AT24Mac(PinName sda, PinName scl) : _i2c(sda, scl)
vpcola 0:f1d3878b8dd9 33 {
vpcola 0:f1d3878b8dd9 34 // Do nothing
vpcola 0:f1d3878b8dd9 35 }
vpcola 0:f1d3878b8dd9 36
vpcola 0:f1d3878b8dd9 37 int AT24Mac::read_serial(void *buf)
vpcola 0:f1d3878b8dd9 38 {
vpcola 0:f1d3878b8dd9 39 char offset = AT24MAC_SERIAL_OFFSET;
vpcola 0:f1d3878b8dd9 40 if (_i2c.write(AT24MAC_SERIAL_ADDRESS, &offset, 1, true))
vpcola 0:f1d3878b8dd9 41 return -1; //No ACK
vpcola 0:f1d3878b8dd9 42 return _i2c.read(AT24MAC_SERIAL_ADDRESS, (char*)buf, SERIAL_LEN);
vpcola 0:f1d3878b8dd9 43 }
vpcola 0:f1d3878b8dd9 44
vpcola 0:f1d3878b8dd9 45 int AT24Mac::read_eui64(void *buf)
vpcola 0:f1d3878b8dd9 46 {
vpcola 0:f1d3878b8dd9 47 char offset = AT24MAC_EUI64_OFFSET;
vpcola 0:f1d3878b8dd9 48 if (_i2c.write(AT24MAC_SERIAL_ADDRESS, &offset, 1, true))
vpcola 0:f1d3878b8dd9 49 return -1; //No ACK
vpcola 0:f1d3878b8dd9 50 return _i2c.read(AT24MAC_SERIAL_ADDRESS, (char*)buf, EUI64_LEN);
vpcola 0:f1d3878b8dd9 51 }
vpcola 0:f1d3878b8dd9 52
vpcola 0:f1d3878b8dd9 53 int AT24Mac::read_eui48(void *buf)
vpcola 0:f1d3878b8dd9 54 {
vpcola 0:f1d3878b8dd9 55 char offset = AT24MAC_EUI48_OFFSET;
vpcola 0:f1d3878b8dd9 56 if (_i2c.write(AT24MAC_SERIAL_ADDRESS, &offset, 1, true))
vpcola 0:f1d3878b8dd9 57 return -1; //No ACK
vpcola 0:f1d3878b8dd9 58 return _i2c.read(AT24MAC_SERIAL_ADDRESS, (char*)buf, EUI48_LEN);
vpcola 0:f1d3878b8dd9 59 }