terence zhang / Mbed OS mbed-os-example-wakaama

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Dependencies:   C12832 LM75B

wakaama/object_device.c@0:f9d13e09cf11, 2017-04-24 (annotated)

Committer:
terencez
Date:
Mon Apr 24 23:03:31 2017 +0000
Revision:
0:f9d13e09cf11
The first compiled submit.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
terencez 0:f9d13e09cf11 1 /*******************************************************************************
terencez 0:f9d13e09cf11 2 *
terencez 0:f9d13e09cf11 3 * Copyright (c) 2013, 2014 Intel Corporation and others.
terencez 0:f9d13e09cf11 4 * All rights reserved. This program and the accompanying materials
terencez 0:f9d13e09cf11 5 * are made available under the terms of the Eclipse Public License v1.0
terencez 0:f9d13e09cf11 6 * and Eclipse Distribution License v1.0 which accompany this distribution.
terencez 0:f9d13e09cf11 7 *
terencez 0:f9d13e09cf11 8 * The Eclipse Public License is available at
terencez 0:f9d13e09cf11 9 * http://www.eclipse.org/legal/epl-v10.html
terencez 0:f9d13e09cf11 10 * The Eclipse Distribution License is available at
terencez 0:f9d13e09cf11 11 * http://www.eclipse.org/org/documents/edl-v10.php.
terencez 0:f9d13e09cf11 12 *
terencez 0:f9d13e09cf11 13 * Contributors:
terencez 0:f9d13e09cf11 14 * David Navarro, Intel Corporation - initial API and implementation
terencez 0:f9d13e09cf11 15 * domedambrosio - Please refer to git log
terencez 0:f9d13e09cf11 16 * Fabien Fleutot - Please refer to git log
terencez 0:f9d13e09cf11 17 * Axel Lorente - Please refer to git log
terencez 0:f9d13e09cf11 18 *
terencez 0:f9d13e09cf11 19 *******************************************************************************/
terencez 0:f9d13e09cf11 20
terencez 0:f9d13e09cf11 21 /*
terencez 0:f9d13e09cf11 22 Copyright (c) 2013, 2014 Intel Corporation
terencez 0:f9d13e09cf11 23
terencez 0:f9d13e09cf11 24 Redistribution and use in source and binary forms, with or without modification,
terencez 0:f9d13e09cf11 25 are permitted provided that the following conditions are met:
terencez 0:f9d13e09cf11 26
terencez 0:f9d13e09cf11 27 * Redistributions of source code must retain the above copyright notice,
terencez 0:f9d13e09cf11 28 this list of conditions and the following disclaimer.
terencez 0:f9d13e09cf11 29 * Redistributions in binary form must reproduce the above copyright notice,
terencez 0:f9d13e09cf11 30 this list of conditions and the following disclaimer in the documentation
terencez 0:f9d13e09cf11 31 and/or other materials provided with the distribution.
terencez 0:f9d13e09cf11 32 * Neither the name of Intel Corporation nor the names of its contributors
terencez 0:f9d13e09cf11 33 may be used to endorse or promote products derived from this software
terencez 0:f9d13e09cf11 34 without specific prior written permission.
terencez 0:f9d13e09cf11 35
terencez 0:f9d13e09cf11 36 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
terencez 0:f9d13e09cf11 37 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
terencez 0:f9d13e09cf11 38 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
terencez 0:f9d13e09cf11 39 IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
terencez 0:f9d13e09cf11 40 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
terencez 0:f9d13e09cf11 41 BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
terencez 0:f9d13e09cf11 42 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
terencez 0:f9d13e09cf11 43 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
terencez 0:f9d13e09cf11 44 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
terencez 0:f9d13e09cf11 45 THE POSSIBILITY OF SUCH DAMAGE.
terencez 0:f9d13e09cf11 46
terencez 0:f9d13e09cf11 47 David Navarro <david.navarro@intel.com>
terencez 0:f9d13e09cf11 48
terencez 0:f9d13e09cf11 49 */
terencez 0:f9d13e09cf11 50
terencez 0:f9d13e09cf11 51 /*
terencez 0:f9d13e09cf11 52 * This object is single instance only, and is mandatory to all LWM2M device as it describe the object such as its
terencez 0:f9d13e09cf11 53 * manufacturer, model, etc...
terencez 0:f9d13e09cf11 54 */
terencez 0:f9d13e09cf11 55
terencez 0:f9d13e09cf11 56 #include "liblwm2m.h"
terencez 0:f9d13e09cf11 57
terencez 0:f9d13e09cf11 58 #include <stdio.h>
terencez 0:f9d13e09cf11 59 #include <stdlib.h>
terencez 0:f9d13e09cf11 60 #include <string.h>
terencez 0:f9d13e09cf11 61 #include <ctype.h>
terencez 0:f9d13e09cf11 62
terencez 0:f9d13e09cf11 63
terencez 0:f9d13e09cf11 64 #define PRV_MANUFACTURER "Open Mobile Alliance"
terencez 0:f9d13e09cf11 65 #define PRV_MODEL_NUMBER "Lightweight M2M Client"
terencez 0:f9d13e09cf11 66 #define PRV_SERIAL_NUMBER "345000123"
terencez 0:f9d13e09cf11 67 #define PRV_FIRMWARE_VERSION "1.0"
terencez 0:f9d13e09cf11 68 #define PRV_POWER_SOURCE_1 1
terencez 0:f9d13e09cf11 69 #define PRV_POWER_SOURCE_2 5
terencez 0:f9d13e09cf11 70 #define PRV_POWER_VOLTAGE_1 3800
terencez 0:f9d13e09cf11 71 #define PRV_POWER_VOLTAGE_2 5000
terencez 0:f9d13e09cf11 72 #define PRV_POWER_CURRENT_1 125
terencez 0:f9d13e09cf11 73 #define PRV_POWER_CURRENT_2 900
terencez 0:f9d13e09cf11 74 #define PRV_BATTERY_LEVEL 100
terencez 0:f9d13e09cf11 75 #define PRV_MEMORY_FREE 15
terencez 0:f9d13e09cf11 76 #define PRV_ERROR_CODE 0
terencez 0:f9d13e09cf11 77 #define PRV_BINDING_MODE "U"
terencez 0:f9d13e09cf11 78
terencez 0:f9d13e09cf11 79 #define PRV_OFFSET_MAXLEN 7 //+HH:MM\0 at max
terencez 0:f9d13e09cf11 80 #define PRV_TLV_BUFFER_SIZE 128
terencez 0:f9d13e09cf11 81
terencez 0:f9d13e09cf11 82 typedef struct
terencez 0:f9d13e09cf11 83 {
terencez 0:f9d13e09cf11 84 int64_t time;
terencez 0:f9d13e09cf11 85 char time_offset[PRV_OFFSET_MAXLEN];
terencez 0:f9d13e09cf11 86 } device_data_t;
terencez 0:f9d13e09cf11 87
terencez 0:f9d13e09cf11 88
terencez 0:f9d13e09cf11 89 // basic check that the time offset value is at ISO 8601 format
terencez 0:f9d13e09cf11 90 // bug: +12:30 is considered a valid value by this function
terencez 0:f9d13e09cf11 91 static int prv_check_time_offset(char * buffer,
terencez 0:f9d13e09cf11 92 int length)
terencez 0:f9d13e09cf11 93 {
terencez 0:f9d13e09cf11 94 int min_index;
terencez 0:f9d13e09cf11 95
terencez 0:f9d13e09cf11 96 if (length != 3 && length != 5 && length != 6) return 0;
terencez 0:f9d13e09cf11 97 if (buffer[0] != '-' && buffer[0] != '+') return 0;
terencez 0:f9d13e09cf11 98 switch (buffer[1])
terencez 0:f9d13e09cf11 99 {
terencez 0:f9d13e09cf11 100 case '0':
terencez 0:f9d13e09cf11 101 if (buffer[2] < '0' || buffer[2] > '9') return 0;
terencez 0:f9d13e09cf11 102 break;
terencez 0:f9d13e09cf11 103 case '1':
terencez 0:f9d13e09cf11 104 if (buffer[2] < '0' || buffer[2] > '2') return 0;
terencez 0:f9d13e09cf11 105 break;
terencez 0:f9d13e09cf11 106 default:
terencez 0:f9d13e09cf11 107 return 0;
terencez 0:f9d13e09cf11 108 }
terencez 0:f9d13e09cf11 109 switch (length)
terencez 0:f9d13e09cf11 110 {
terencez 0:f9d13e09cf11 111 case 3:
terencez 0:f9d13e09cf11 112 return 1;
terencez 0:f9d13e09cf11 113 case 5:
terencez 0:f9d13e09cf11 114 min_index = 3;
terencez 0:f9d13e09cf11 115 break;
terencez 0:f9d13e09cf11 116 case 6:
terencez 0:f9d13e09cf11 117 if (buffer[3] != ':') return 0;
terencez 0:f9d13e09cf11 118 min_index = 4;
terencez 0:f9d13e09cf11 119 break;
terencez 0:f9d13e09cf11 120 default:
terencez 0:f9d13e09cf11 121 // never happen
terencez 0:f9d13e09cf11 122 return 0;
terencez 0:f9d13e09cf11 123 }
terencez 0:f9d13e09cf11 124 if (buffer[min_index] < '0' || buffer[min_index] > '5') return 0;
terencez 0:f9d13e09cf11 125 if (buffer[min_index+1] < '0' || buffer[min_index+1] > '9') return 0;
terencez 0:f9d13e09cf11 126
terencez 0:f9d13e09cf11 127 return 1;
terencez 0:f9d13e09cf11 128 }
terencez 0:f9d13e09cf11 129
terencez 0:f9d13e09cf11 130 static uint8_t prv_set_value(lwm2m_tlv_t * tlvP,
terencez 0:f9d13e09cf11 131 device_data_t * devDataP)
terencez 0:f9d13e09cf11 132 {
terencez 0:f9d13e09cf11 133 // a simple switch structure is used to respond at the specified resource asked
terencez 0:f9d13e09cf11 134 switch (tlvP->id)
terencez 0:f9d13e09cf11 135 {
terencez 0:f9d13e09cf11 136 case 0:
terencez 0:f9d13e09cf11 137 tlvP->value = PRV_MANUFACTURER;
terencez 0:f9d13e09cf11 138 tlvP->length = strlen(PRV_MANUFACTURER);
terencez 0:f9d13e09cf11 139 tlvP->flags = LWM2M_TLV_FLAG_STATIC_DATA;
terencez 0:f9d13e09cf11 140 tlvP->type = LWM2M_TYPE_RESSOURCE;
terencez 0:f9d13e09cf11 141 return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 142
terencez 0:f9d13e09cf11 143 case 1:
terencez 0:f9d13e09cf11 144 tlvP->value = PRV_MODEL_NUMBER;
terencez 0:f9d13e09cf11 145 tlvP->length = strlen(PRV_MODEL_NUMBER);
terencez 0:f9d13e09cf11 146 tlvP->flags = LWM2M_TLV_FLAG_STATIC_DATA;
terencez 0:f9d13e09cf11 147 tlvP->type = LWM2M_TYPE_RESSOURCE;
terencez 0:f9d13e09cf11 148 return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 149
terencez 0:f9d13e09cf11 150 case 2:
terencez 0:f9d13e09cf11 151 tlvP->value = PRV_SERIAL_NUMBER;
terencez 0:f9d13e09cf11 152 tlvP->length = strlen(PRV_SERIAL_NUMBER);
terencez 0:f9d13e09cf11 153 tlvP->flags = LWM2M_TLV_FLAG_STATIC_DATA;
terencez 0:f9d13e09cf11 154 tlvP->type = LWM2M_TYPE_RESSOURCE;
terencez 0:f9d13e09cf11 155 return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 156
terencez 0:f9d13e09cf11 157 case 3:
terencez 0:f9d13e09cf11 158 tlvP->value = PRV_FIRMWARE_VERSION;
terencez 0:f9d13e09cf11 159 tlvP->length = strlen(PRV_FIRMWARE_VERSION);
terencez 0:f9d13e09cf11 160 tlvP->flags = LWM2M_TLV_FLAG_STATIC_DATA;
terencez 0:f9d13e09cf11 161 tlvP->type = LWM2M_TYPE_RESSOURCE;
terencez 0:f9d13e09cf11 162 return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 163
terencez 0:f9d13e09cf11 164 case 4:
terencez 0:f9d13e09cf11 165 return COAP_405_METHOD_NOT_ALLOWED;
terencez 0:f9d13e09cf11 166
terencez 0:f9d13e09cf11 167 case 5:
terencez 0:f9d13e09cf11 168 return COAP_405_METHOD_NOT_ALLOWED;
terencez 0:f9d13e09cf11 169
terencez 0:f9d13e09cf11 170 case 6:
terencez 0:f9d13e09cf11 171 {
terencez 0:f9d13e09cf11 172 lwm2m_tlv_t * subTlvP;
terencez 0:f9d13e09cf11 173
terencez 0:f9d13e09cf11 174 subTlvP = lwm2m_tlv_new(2);
terencez 0:f9d13e09cf11 175
terencez 0:f9d13e09cf11 176 subTlvP[0].flags = 0;
terencez 0:f9d13e09cf11 177 subTlvP[0].id = 0;
terencez 0:f9d13e09cf11 178 subTlvP[0].type = LWM2M_TYPE_RESSOURCE_INSTANCE;
terencez 0:f9d13e09cf11 179 lwm2m_tlv_encode_int(PRV_POWER_SOURCE_1, subTlvP);
terencez 0:f9d13e09cf11 180 if (0 == subTlvP[0].length)
terencez 0:f9d13e09cf11 181 {
terencez 0:f9d13e09cf11 182 lwm2m_tlv_free(2, subTlvP);
terencez 0:f9d13e09cf11 183 return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:f9d13e09cf11 184 }
terencez 0:f9d13e09cf11 185
terencez 0:f9d13e09cf11 186 subTlvP[1].flags = 0;
terencez 0:f9d13e09cf11 187 subTlvP[1].id = 1;
terencez 0:f9d13e09cf11 188 subTlvP[1].type = LWM2M_TYPE_RESSOURCE_INSTANCE;
terencez 0:f9d13e09cf11 189 lwm2m_tlv_encode_int(PRV_POWER_SOURCE_2, subTlvP + 1);
terencez 0:f9d13e09cf11 190 if (0 == subTlvP[1].length)
terencez 0:f9d13e09cf11 191 {
terencez 0:f9d13e09cf11 192 lwm2m_tlv_free(2, subTlvP);
terencez 0:f9d13e09cf11 193 return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:f9d13e09cf11 194 }
terencez 0:f9d13e09cf11 195
terencez 0:f9d13e09cf11 196 tlvP->flags = 0;
terencez 0:f9d13e09cf11 197 tlvP->type = LWM2M_TYPE_MULTIPLE_RESSOURCE;
terencez 0:f9d13e09cf11 198 tlvP->length = 2;
terencez 0:f9d13e09cf11 199 tlvP->value = (uint8_t *)subTlvP;
terencez 0:f9d13e09cf11 200
terencez 0:f9d13e09cf11 201 return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 202 }
terencez 0:f9d13e09cf11 203
terencez 0:f9d13e09cf11 204 case 7:
terencez 0:f9d13e09cf11 205 {
terencez 0:f9d13e09cf11 206 lwm2m_tlv_t * subTlvP;
terencez 0:f9d13e09cf11 207
terencez 0:f9d13e09cf11 208 subTlvP = lwm2m_tlv_new(2);
terencez 0:f9d13e09cf11 209
terencez 0:f9d13e09cf11 210 subTlvP[0].flags = 0;
terencez 0:f9d13e09cf11 211 subTlvP[0].id = 0;
terencez 0:f9d13e09cf11 212 subTlvP[0].type = LWM2M_TYPE_RESSOURCE_INSTANCE;
terencez 0:f9d13e09cf11 213 lwm2m_tlv_encode_int(PRV_POWER_VOLTAGE_1, subTlvP);
terencez 0:f9d13e09cf11 214 if (0 == subTlvP[0].length)
terencez 0:f9d13e09cf11 215 {
terencez 0:f9d13e09cf11 216 lwm2m_tlv_free(2, subTlvP);
terencez 0:f9d13e09cf11 217 return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:f9d13e09cf11 218 }
terencez 0:f9d13e09cf11 219
terencez 0:f9d13e09cf11 220 subTlvP[1].flags = 0;
terencez 0:f9d13e09cf11 221 subTlvP[1].id = 1;
terencez 0:f9d13e09cf11 222 subTlvP[1].type = LWM2M_TYPE_RESSOURCE_INSTANCE;
terencez 0:f9d13e09cf11 223 lwm2m_tlv_encode_int(PRV_POWER_VOLTAGE_2, subTlvP + 1);
terencez 0:f9d13e09cf11 224 if (0 == subTlvP[1].length)
terencez 0:f9d13e09cf11 225 {
terencez 0:f9d13e09cf11 226 lwm2m_tlv_free(2, subTlvP);
terencez 0:f9d13e09cf11 227 return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:f9d13e09cf11 228 }
terencez 0:f9d13e09cf11 229
terencez 0:f9d13e09cf11 230 tlvP->flags = 0;
terencez 0:f9d13e09cf11 231 tlvP->type = LWM2M_TYPE_MULTIPLE_RESSOURCE;
terencez 0:f9d13e09cf11 232 tlvP->length = 2;
terencez 0:f9d13e09cf11 233 tlvP->value = (uint8_t *)subTlvP;
terencez 0:f9d13e09cf11 234
terencez 0:f9d13e09cf11 235 return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 236 }
terencez 0:f9d13e09cf11 237
terencez 0:f9d13e09cf11 238 case 8:
terencez 0:f9d13e09cf11 239 {
terencez 0:f9d13e09cf11 240 lwm2m_tlv_t * subTlvP;
terencez 0:f9d13e09cf11 241
terencez 0:f9d13e09cf11 242 subTlvP = lwm2m_tlv_new(2);
terencez 0:f9d13e09cf11 243
terencez 0:f9d13e09cf11 244 subTlvP[0].flags = 0;
terencez 0:f9d13e09cf11 245 subTlvP[0].id = 0;
terencez 0:f9d13e09cf11 246 subTlvP[0].type = LWM2M_TYPE_RESSOURCE_INSTANCE;
terencez 0:f9d13e09cf11 247 lwm2m_tlv_encode_int(PRV_POWER_CURRENT_1, subTlvP);
terencez 0:f9d13e09cf11 248 if (0 == subTlvP[0].length)
terencez 0:f9d13e09cf11 249 {
terencez 0:f9d13e09cf11 250 lwm2m_tlv_free(2, subTlvP);
terencez 0:f9d13e09cf11 251 return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:f9d13e09cf11 252 }
terencez 0:f9d13e09cf11 253
terencez 0:f9d13e09cf11 254 subTlvP[1].flags = 0;
terencez 0:f9d13e09cf11 255 subTlvP[1].id = 1;
terencez 0:f9d13e09cf11 256 subTlvP[1].type = LWM2M_TYPE_RESSOURCE_INSTANCE;
terencez 0:f9d13e09cf11 257 lwm2m_tlv_encode_int(PRV_POWER_CURRENT_2, subTlvP + 1);
terencez 0:f9d13e09cf11 258 if (0 == subTlvP[1].length)
terencez 0:f9d13e09cf11 259 {
terencez 0:f9d13e09cf11 260 lwm2m_tlv_free(2, subTlvP);
terencez 0:f9d13e09cf11 261 return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:f9d13e09cf11 262 }
terencez 0:f9d13e09cf11 263
terencez 0:f9d13e09cf11 264 tlvP->flags = 0;
terencez 0:f9d13e09cf11 265 tlvP->type = LWM2M_TYPE_MULTIPLE_RESSOURCE;
terencez 0:f9d13e09cf11 266 tlvP->length = 2;
terencez 0:f9d13e09cf11 267 tlvP->value = (uint8_t *)subTlvP;
terencez 0:f9d13e09cf11 268
terencez 0:f9d13e09cf11 269 return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 270 }
terencez 0:f9d13e09cf11 271
terencez 0:f9d13e09cf11 272 case 9:
terencez 0:f9d13e09cf11 273 lwm2m_tlv_encode_int(PRV_BATTERY_LEVEL, tlvP);
terencez 0:f9d13e09cf11 274 tlvP->type = LWM2M_TYPE_RESSOURCE;
terencez 0:f9d13e09cf11 275
terencez 0:f9d13e09cf11 276 if (0 != tlvP->length) return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 277 else return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:f9d13e09cf11 278
terencez 0:f9d13e09cf11 279 case 10:
terencez 0:f9d13e09cf11 280 lwm2m_tlv_encode_int(PRV_MEMORY_FREE, tlvP);
terencez 0:f9d13e09cf11 281 tlvP->type = LWM2M_TYPE_RESSOURCE;
terencez 0:f9d13e09cf11 282
terencez 0:f9d13e09cf11 283 if (0 != tlvP->length) return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 284 else return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:f9d13e09cf11 285
terencez 0:f9d13e09cf11 286 case 11:
terencez 0:f9d13e09cf11 287 lwm2m_tlv_encode_int(PRV_ERROR_CODE, tlvP);
terencez 0:f9d13e09cf11 288 tlvP->type = LWM2M_TYPE_RESSOURCE;
terencez 0:f9d13e09cf11 289
terencez 0:f9d13e09cf11 290 if (0 != tlvP->length) return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 291 else return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:f9d13e09cf11 292
terencez 0:f9d13e09cf11 293 case 12:
terencez 0:f9d13e09cf11 294 return COAP_405_METHOD_NOT_ALLOWED;
terencez 0:f9d13e09cf11 295
terencez 0:f9d13e09cf11 296 case 13:
terencez 0:f9d13e09cf11 297 lwm2m_tlv_encode_int(devDataP->time, tlvP);
terencez 0:f9d13e09cf11 298 tlvP->type = LWM2M_TYPE_RESSOURCE;
terencez 0:f9d13e09cf11 299
terencez 0:f9d13e09cf11 300 if (0 != tlvP->length) return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 301 else return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:f9d13e09cf11 302
terencez 0:f9d13e09cf11 303 case 14:
terencez 0:f9d13e09cf11 304 tlvP->value = devDataP->time_offset;
terencez 0:f9d13e09cf11 305 tlvP->length = strlen(devDataP->time_offset);
terencez 0:f9d13e09cf11 306 tlvP->flags = LWM2M_TLV_FLAG_STATIC_DATA;
terencez 0:f9d13e09cf11 307 tlvP->type = LWM2M_TYPE_RESSOURCE;
terencez 0:f9d13e09cf11 308 return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 309
terencez 0:f9d13e09cf11 310 case 15:
terencez 0:f9d13e09cf11 311 tlvP->value = PRV_BINDING_MODE;
terencez 0:f9d13e09cf11 312 tlvP->length = strlen(PRV_BINDING_MODE);
terencez 0:f9d13e09cf11 313 tlvP->flags = LWM2M_TLV_FLAG_STATIC_DATA;
terencez 0:f9d13e09cf11 314 tlvP->type = LWM2M_TYPE_RESSOURCE;
terencez 0:f9d13e09cf11 315 return COAP_205_CONTENT;
terencez 0:f9d13e09cf11 316
terencez 0:f9d13e09cf11 317 default:
terencez 0:f9d13e09cf11 318 return COAP_404_NOT_FOUND;
terencez 0:f9d13e09cf11 319 }
terencez 0:f9d13e09cf11 320 }
terencez 0:f9d13e09cf11 321
terencez 0:f9d13e09cf11 322 static uint8_t prv_device_read(uint16_t instanceId,
terencez 0:f9d13e09cf11 323 int * numDataP,
terencez 0:f9d13e09cf11 324 lwm2m_tlv_t ** dataArrayP,
terencez 0:f9d13e09cf11 325 lwm2m_object_t * objectP)
terencez 0:f9d13e09cf11 326 {
terencez 0:f9d13e09cf11 327 uint8_t result;
terencez 0:f9d13e09cf11 328 int i;
terencez 0:f9d13e09cf11 329
terencez 0:f9d13e09cf11 330 // this is a single instance object
terencez 0:f9d13e09cf11 331 if (instanceId != 0)
terencez 0:f9d13e09cf11 332 {
terencez 0:f9d13e09cf11 333 return COAP_404_NOT_FOUND;
terencez 0:f9d13e09cf11 334 }
terencez 0:f9d13e09cf11 335
terencez 0:f9d13e09cf11 336 // is the server asking for the full object ?
terencez 0:f9d13e09cf11 337 if (*numDataP == 0)
terencez 0:f9d13e09cf11 338 {
terencez 0:f9d13e09cf11 339 uint16_t resList[] = {0, 1, 2, 3, 6, 7, 8, 9, 10, 11, 13, 14, 15};
terencez 0:f9d13e09cf11 340 int nbRes = sizeof(resList)/sizeof(uint16_t);
terencez 0:f9d13e09cf11 341
terencez 0:f9d13e09cf11 342 *dataArrayP = lwm2m_tlv_new(nbRes);
terencez 0:f9d13e09cf11 343 if (*dataArrayP == NULL) return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:f9d13e09cf11 344 *numDataP = nbRes;
terencez 0:f9d13e09cf11 345 for (i = 0 ; i < nbRes ; i++)
terencez 0:f9d13e09cf11 346 {
terencez 0:f9d13e09cf11 347 (*dataArrayP)[i].id = resList[i];
terencez 0:f9d13e09cf11 348 }
terencez 0:f9d13e09cf11 349 }
terencez 0:f9d13e09cf11 350
terencez 0:f9d13e09cf11 351 i = 0;
terencez 0:f9d13e09cf11 352 do
terencez 0:f9d13e09cf11 353 {
terencez 0:f9d13e09cf11 354 result = prv_set_value((*dataArrayP) + i, (device_data_t*)(objectP->userData));
terencez 0:f9d13e09cf11 355 i++;
terencez 0:f9d13e09cf11 356 } while (i < *numDataP && result == COAP_205_CONTENT);
terencez 0:f9d13e09cf11 357
terencez 0:f9d13e09cf11 358 return result;
terencez 0:f9d13e09cf11 359 }
terencez 0:f9d13e09cf11 360
terencez 0:f9d13e09cf11 361 static uint8_t prv_device_write(uint16_t instanceId,
terencez 0:f9d13e09cf11 362 int numData,
terencez 0:f9d13e09cf11 363 lwm2m_tlv_t * dataArray,
terencez 0:f9d13e09cf11 364 lwm2m_object_t * objectP)
terencez 0:f9d13e09cf11 365 {
terencez 0:f9d13e09cf11 366 int i;
terencez 0:f9d13e09cf11 367 uint8_t result;
terencez 0:f9d13e09cf11 368
terencez 0:f9d13e09cf11 369 // this is a single instance object
terencez 0:f9d13e09cf11 370 if (instanceId != 0)
terencez 0:f9d13e09cf11 371 {
terencez 0:f9d13e09cf11 372 return COAP_404_NOT_FOUND;
terencez 0:f9d13e09cf11 373 }
terencez 0:f9d13e09cf11 374
terencez 0:f9d13e09cf11 375 i = 0;
terencez 0:f9d13e09cf11 376
terencez 0:f9d13e09cf11 377 do
terencez 0:f9d13e09cf11 378 {
terencez 0:f9d13e09cf11 379 switch (dataArray[i].id)
terencez 0:f9d13e09cf11 380 {
terencez 0:f9d13e09cf11 381 case 13:
terencez 0:f9d13e09cf11 382 if (1 == lwm2m_tlv_decode_int(dataArray + i, &((device_data_t*)(objectP->userData))->time))
terencez 0:f9d13e09cf11 383 {
terencez 0:f9d13e09cf11 384 result = COAP_204_CHANGED;
terencez 0:f9d13e09cf11 385 }
terencez 0:f9d13e09cf11 386 else
terencez 0:f9d13e09cf11 387 {
terencez 0:f9d13e09cf11 388 result = COAP_400_BAD_REQUEST;
terencez 0:f9d13e09cf11 389 }
terencez 0:f9d13e09cf11 390 break;
terencez 0:f9d13e09cf11 391
terencez 0:f9d13e09cf11 392 case 14:
terencez 0:f9d13e09cf11 393 if (1 == prv_check_time_offset(dataArray[i].value, dataArray[i].length))
terencez 0:f9d13e09cf11 394 {
terencez 0:f9d13e09cf11 395 strncpy(((device_data_t*)(objectP->userData))->time_offset, dataArray[i].value, dataArray[i].length);
terencez 0:f9d13e09cf11 396 ((device_data_t*)(objectP->userData))->time_offset[dataArray[i].length] = 0;
terencez 0:f9d13e09cf11 397 result = COAP_204_CHANGED;
terencez 0:f9d13e09cf11 398 }
terencez 0:f9d13e09cf11 399 else
terencez 0:f9d13e09cf11 400 {
terencez 0:f9d13e09cf11 401 result = COAP_400_BAD_REQUEST;
terencez 0:f9d13e09cf11 402 }
terencez 0:f9d13e09cf11 403 break;
terencez 0:f9d13e09cf11 404
terencez 0:f9d13e09cf11 405 default:
terencez 0:f9d13e09cf11 406 result = COAP_405_METHOD_NOT_ALLOWED;
terencez 0:f9d13e09cf11 407 }
terencez 0:f9d13e09cf11 408
terencez 0:f9d13e09cf11 409 i++;
terencez 0:f9d13e09cf11 410 } while (i < numData && result == COAP_204_CHANGED);
terencez 0:f9d13e09cf11 411
terencez 0:f9d13e09cf11 412 return result;
terencez 0:f9d13e09cf11 413 }
terencez 0:f9d13e09cf11 414
terencez 0:f9d13e09cf11 415 static uint8_t prv_device_execute(uint16_t instanceId,
terencez 0:f9d13e09cf11 416 uint16_t resourceId,
terencez 0:f9d13e09cf11 417 char * buffer,
terencez 0:f9d13e09cf11 418 int length,
terencez 0:f9d13e09cf11 419 lwm2m_object_t * objectP)
terencez 0:f9d13e09cf11 420 {
terencez 0:f9d13e09cf11 421 // this is a single instance object
terencez 0:f9d13e09cf11 422 if (instanceId != 0)
terencez 0:f9d13e09cf11 423 {
terencez 0:f9d13e09cf11 424 return COAP_404_NOT_FOUND;
terencez 0:f9d13e09cf11 425 }
terencez 0:f9d13e09cf11 426
terencez 0:f9d13e09cf11 427 if (length != 0) return COAP_400_BAD_REQUEST;
terencez 0:f9d13e09cf11 428
terencez 0:f9d13e09cf11 429 switch (resourceId)
terencez 0:f9d13e09cf11 430 {
terencez 0:f9d13e09cf11 431 case 4:
terencez 0:f9d13e09cf11 432 fprintf(stdout, "\n\t REBOOT\r\n\n");
terencez 0:f9d13e09cf11 433 return COAP_204_CHANGED;
terencez 0:f9d13e09cf11 434 case 5:
terencez 0:f9d13e09cf11 435 fprintf(stdout, "\n\t FACTORY RESET\r\n\n");
terencez 0:f9d13e09cf11 436 return COAP_204_CHANGED;
terencez 0:f9d13e09cf11 437 case 12:
terencez 0:f9d13e09cf11 438 fprintf(stdout, "\n\t RESET ERROR CODE\r\n\n");
terencez 0:f9d13e09cf11 439 return COAP_204_CHANGED;
terencez 0:f9d13e09cf11 440 default:
terencez 0:f9d13e09cf11 441 return COAP_405_METHOD_NOT_ALLOWED;
terencez 0:f9d13e09cf11 442 }
terencez 0:f9d13e09cf11 443 }
terencez 0:f9d13e09cf11 444
terencez 0:f9d13e09cf11 445 lwm2m_object_t * get_object_device()
terencez 0:f9d13e09cf11 446 {
terencez 0:f9d13e09cf11 447 /*
terencez 0:f9d13e09cf11 448 * The get_object_device function create the object itself and return a pointer to the structure that represent it.
terencez 0:f9d13e09cf11 449 */
terencez 0:f9d13e09cf11 450 lwm2m_object_t * deviceObj;
terencez 0:f9d13e09cf11 451
terencez 0:f9d13e09cf11 452 deviceObj = (lwm2m_object_t *)malloc(sizeof(lwm2m_object_t));
terencez 0:f9d13e09cf11 453
terencez 0:f9d13e09cf11 454 if (NULL != deviceObj)
terencez 0:f9d13e09cf11 455 {
terencez 0:f9d13e09cf11 456 memset(deviceObj, 0, sizeof(lwm2m_object_t));
terencez 0:f9d13e09cf11 457
terencez 0:f9d13e09cf11 458 /*
terencez 0:f9d13e09cf11 459 * It assign his unique ID
terencez 0:f9d13e09cf11 460 * The 3 is the standard ID for the mandatory object "Object device".
terencez 0:f9d13e09cf11 461 */
terencez 0:f9d13e09cf11 462 deviceObj->objID = 3;
terencez 0:f9d13e09cf11 463
terencez 0:f9d13e09cf11 464 /*
terencez 0:f9d13e09cf11 465 * And the private function that will access the object.
terencez 0:f9d13e09cf11 466 * Those function will be called when a read/write/execute query is made by the server. In fact the library don't need to
terencez 0:f9d13e09cf11 467 * know the resources of the object, only the server does.
terencez 0:f9d13e09cf11 468 */
terencez 0:f9d13e09cf11 469 deviceObj->readFunc = prv_device_read;
terencez 0:f9d13e09cf11 470 deviceObj->writeFunc = prv_device_write;
terencez 0:f9d13e09cf11 471 deviceObj->executeFunc = prv_device_execute;
terencez 0:f9d13e09cf11 472 deviceObj->userData = malloc(sizeof(device_data_t));
terencez 0:f9d13e09cf11 473
terencez 0:f9d13e09cf11 474 /*
terencez 0:f9d13e09cf11 475 * Also some user data can be stored in the object with a private structure containing the needed variables
terencez 0:f9d13e09cf11 476 */
terencez 0:f9d13e09cf11 477 if (NULL != deviceObj->userData)
terencez 0:f9d13e09cf11 478 {
terencez 0:f9d13e09cf11 479 ((device_data_t*)deviceObj->userData)->time = 1367491215;
terencez 0:f9d13e09cf11 480 strcpy(((device_data_t*)deviceObj->userData)->time_offset, "+02:00");
terencez 0:f9d13e09cf11 481 }
terencez 0:f9d13e09cf11 482 else
terencez 0:f9d13e09cf11 483 {
terencez 0:f9d13e09cf11 484 free(deviceObj);
terencez 0:f9d13e09cf11 485 deviceObj = NULL;
terencez 0:f9d13e09cf11 486 }
terencez 0:f9d13e09cf11 487 }
terencez 0:f9d13e09cf11 488
terencez 0:f9d13e09cf11 489 return deviceObj;
terencez 0:f9d13e09cf11 490 }