Wajahat Abbas / ublox-cellular-base_mno

ublox-cellular-base_mno

UbloxCellularBase.cpp@10:c4281fa79b8f, 2018-01-02 (annotated)

Committer:
fahimalavi
Date:
Tue Jan 02 05:45:24 2018 +0000
Revision:
10:c4281fa79b8f
Parent:
8:a15349fcab25
Child:
11:57f64bc518c0
Changes required for R410M in cellular base

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RobMeades 0:5cffef3371f6 1 /* Copyright (c) 2017 ublox Limited
RobMeades 0:5cffef3371f6 2 *
RobMeades 0:5cffef3371f6 3 * Licensed under the Apache License, Version 2.0 (the "License");
RobMeades 0:5cffef3371f6 4 * you may not use this file except in compliance with the License.
RobMeades 0:5cffef3371f6 5 * You may obtain a copy of the License at
RobMeades 0:5cffef3371f6 6 *
RobMeades 0:5cffef3371f6 7 * http://www.apache.org/licenses/LICENSE-2.0
RobMeades 0:5cffef3371f6 8 *
RobMeades 0:5cffef3371f6 9 * Unless required by applicable law or agreed to in writing, software
RobMeades 0:5cffef3371f6 10 * distributed under the License is distributed on an "AS IS" BASIS,
RobMeades 0:5cffef3371f6 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
RobMeades 0:5cffef3371f6 12 * See the License for the specific language governing permissions and
RobMeades 0:5cffef3371f6 13 * limitations under the License.
RobMeades 0:5cffef3371f6 14 */
RobMeades 0:5cffef3371f6 15
RobMeades 0:5cffef3371f6 16 #include "UARTSerial.h"
RobMeades 0:5cffef3371f6 17 #include "APN_db.h"
RobMeades 0:5cffef3371f6 18 #include "UbloxCellularBase.h"
RobMeades 0:5cffef3371f6 19 #include "onboard_modem_api.h"
RobMeades 0:5cffef3371f6 20 #ifdef FEATURE_COMMON_PAL
RobMeades 0:5cffef3371f6 21 #include "mbed_trace.h"
RobMeades 0:5cffef3371f6 22 #define TRACE_GROUP "UCB"
RobMeades 0:5cffef3371f6 23 #else
rob.meades@u-blox.com 2:73fcc33c9400 24 #define tr_debug(format, ...) debug_if(_debug_trace_on, format "\n", ## __VA_ARGS__)
rob.meades@u-blox.com 2:73fcc33c9400 25 #define tr_info(format, ...) debug_if(_debug_trace_on, format "\n", ## __VA_ARGS__)
rob.meades@u-blox.com 2:73fcc33c9400 26 #define tr_warn(format, ...) debug_if(_debug_trace_on, format "\n", ## __VA_ARGS__)
rob.meades@u-blox.com 2:73fcc33c9400 27 #define tr_error(format, ...) debug_if(_debug_trace_on, format "\n", ## __VA_ARGS__)
RobMeades 0:5cffef3371f6 28 #endif
RobMeades 0:5cffef3371f6 29
RobMeades 0:5cffef3371f6 30 /**********************************************************************
RobMeades 0:5cffef3371f6 31 * PRIVATE METHODS
RobMeades 0:5cffef3371f6 32 **********************************************************************/
RobMeades 0:5cffef3371f6 33
RobMeades 0:5cffef3371f6 34 void UbloxCellularBase::set_nwk_reg_status_csd(int status)
RobMeades 0:5cffef3371f6 35 {
RobMeades 0:5cffef3371f6 36 switch (status) {
RobMeades 0:5cffef3371f6 37 case CSD_NOT_REGISTERED_NOT_SEARCHING:
RobMeades 0:5cffef3371f6 38 case CSD_NOT_REGISTERED_SEARCHING:
RobMeades 0:5cffef3371f6 39 tr_info("Not (yet) registered for circuit switched service");
RobMeades 0:5cffef3371f6 40 break;
RobMeades 0:5cffef3371f6 41 case CSD_REGISTERED:
RobMeades 0:5cffef3371f6 42 case CSD_REGISTERED_ROAMING:
RobMeades 0:5cffef3371f6 43 tr_info("Registered for circuit switched service");
RobMeades 0:5cffef3371f6 44 break;
RobMeades 0:5cffef3371f6 45 case CSD_REGISTRATION_DENIED:
RobMeades 0:5cffef3371f6 46 tr_info("Circuit switched service denied");
RobMeades 0:5cffef3371f6 47 break;
RobMeades 0:5cffef3371f6 48 case CSD_UNKNOWN_COVERAGE:
RobMeades 0:5cffef3371f6 49 tr_info("Out of circuit switched service coverage");
RobMeades 0:5cffef3371f6 50 break;
RobMeades 0:5cffef3371f6 51 case CSD_SMS_ONLY:
RobMeades 0:5cffef3371f6 52 tr_info("SMS service only");
RobMeades 0:5cffef3371f6 53 break;
RobMeades 0:5cffef3371f6 54 case CSD_SMS_ONLY_ROAMING:
RobMeades 0:5cffef3371f6 55 tr_info("SMS service only");
RobMeades 0:5cffef3371f6 56 break;
RobMeades 0:5cffef3371f6 57 case CSD_CSFB_NOT_PREFERRED:
RobMeades 0:5cffef3371f6 58 tr_info("Registered for circuit switched service with CSFB not preferred");
RobMeades 0:5cffef3371f6 59 break;
RobMeades 0:5cffef3371f6 60 default:
RobMeades 0:5cffef3371f6 61 tr_info("Unknown circuit switched service registration status. %d", status);
RobMeades 0:5cffef3371f6 62 break;
RobMeades 0:5cffef3371f6 63 }
RobMeades 0:5cffef3371f6 64
RobMeades 0:5cffef3371f6 65 _dev_info.reg_status_csd = static_cast<NetworkRegistrationStatusCsd>(status);
RobMeades 0:5cffef3371f6 66 }
RobMeades 0:5cffef3371f6 67
RobMeades 0:5cffef3371f6 68 void UbloxCellularBase::set_nwk_reg_status_psd(int status)
RobMeades 0:5cffef3371f6 69 {
RobMeades 0:5cffef3371f6 70 switch (status) {
RobMeades 0:5cffef3371f6 71 case PSD_NOT_REGISTERED_NOT_SEARCHING:
RobMeades 0:5cffef3371f6 72 case PSD_NOT_REGISTERED_SEARCHING:
RobMeades 0:5cffef3371f6 73 tr_info("Not (yet) registered for packet switched service");
RobMeades 0:5cffef3371f6 74 break;
RobMeades 0:5cffef3371f6 75 case PSD_REGISTERED:
RobMeades 0:5cffef3371f6 76 case PSD_REGISTERED_ROAMING:
RobMeades 0:5cffef3371f6 77 tr_info("Registered for packet switched service");
RobMeades 0:5cffef3371f6 78 break;
RobMeades 0:5cffef3371f6 79 case PSD_REGISTRATION_DENIED:
RobMeades 0:5cffef3371f6 80 tr_info("Packet switched service denied");
RobMeades 0:5cffef3371f6 81 break;
RobMeades 0:5cffef3371f6 82 case PSD_UNKNOWN_COVERAGE:
RobMeades 0:5cffef3371f6 83 tr_info("Out of packet switched service coverage");
RobMeades 0:5cffef3371f6 84 break;
RobMeades 0:5cffef3371f6 85 case PSD_EMERGENCY_SERVICES_ONLY:
RobMeades 0:5cffef3371f6 86 tr_info("Limited access for packet switched service. Emergency use only.");
RobMeades 0:5cffef3371f6 87 break;
RobMeades 0:5cffef3371f6 88 default:
RobMeades 0:5cffef3371f6 89 tr_info("Unknown packet switched service registration status. %d", status);
RobMeades 0:5cffef3371f6 90 break;
RobMeades 0:5cffef3371f6 91 }
RobMeades 0:5cffef3371f6 92
RobMeades 0:5cffef3371f6 93 _dev_info.reg_status_psd = static_cast<NetworkRegistrationStatusPsd>(status);
RobMeades 0:5cffef3371f6 94 }
RobMeades 0:5cffef3371f6 95
RobMeades 0:5cffef3371f6 96 void UbloxCellularBase::set_nwk_reg_status_eps(int status)
RobMeades 0:5cffef3371f6 97 {
RobMeades 0:5cffef3371f6 98 switch (status) {
RobMeades 0:5cffef3371f6 99 case EPS_NOT_REGISTERED_NOT_SEARCHING:
RobMeades 0:5cffef3371f6 100 case EPS_NOT_REGISTERED_SEARCHING:
RobMeades 0:5cffef3371f6 101 tr_info("Not (yet) registered for EPS service");
RobMeades 0:5cffef3371f6 102 break;
RobMeades 0:5cffef3371f6 103 case EPS_REGISTERED:
RobMeades 0:5cffef3371f6 104 case EPS_REGISTERED_ROAMING:
RobMeades 0:5cffef3371f6 105 tr_info("Registered for EPS service");
RobMeades 0:5cffef3371f6 106 break;
RobMeades 0:5cffef3371f6 107 case EPS_REGISTRATION_DENIED:
RobMeades 0:5cffef3371f6 108 tr_info("EPS service denied");
RobMeades 0:5cffef3371f6 109 break;
RobMeades 0:5cffef3371f6 110 case EPS_UNKNOWN_COVERAGE:
RobMeades 0:5cffef3371f6 111 tr_info("Out of EPS service coverage");
RobMeades 0:5cffef3371f6 112 break;
RobMeades 0:5cffef3371f6 113 case EPS_EMERGENCY_SERVICES_ONLY:
RobMeades 0:5cffef3371f6 114 tr_info("Limited access for EPS service. Emergency use only.");
RobMeades 0:5cffef3371f6 115 break;
RobMeades 0:5cffef3371f6 116 default:
RobMeades 0:5cffef3371f6 117 tr_info("Unknown EPS service registration status. %d", status);
RobMeades 0:5cffef3371f6 118 break;
RobMeades 0:5cffef3371f6 119 }
RobMeades 0:5cffef3371f6 120
RobMeades 0:5cffef3371f6 121 _dev_info.reg_status_eps = static_cast<NetworkRegistrationStatusEps>(status);
RobMeades 0:5cffef3371f6 122 }
RobMeades 0:5cffef3371f6 123
RobMeades 0:5cffef3371f6 124 void UbloxCellularBase::set_rat(int AcTStatus)
RobMeades 0:5cffef3371f6 125 {
RobMeades 0:5cffef3371f6 126 switch (AcTStatus) {
RobMeades 0:5cffef3371f6 127 case GSM:
RobMeades 0:5cffef3371f6 128 case COMPACT_GSM:
RobMeades 0:5cffef3371f6 129 tr_info("Connected in GSM");
RobMeades 0:5cffef3371f6 130 break;
RobMeades 0:5cffef3371f6 131 case UTRAN:
RobMeades 0:5cffef3371f6 132 tr_info("Connected to UTRAN");
RobMeades 0:5cffef3371f6 133 break;
RobMeades 0:5cffef3371f6 134 case EDGE:
RobMeades 0:5cffef3371f6 135 tr_info("Connected to EDGE");
RobMeades 0:5cffef3371f6 136 break;
RobMeades 0:5cffef3371f6 137 case HSDPA:
RobMeades 0:5cffef3371f6 138 tr_info("Connected to HSDPA");
RobMeades 0:5cffef3371f6 139 break;
RobMeades 0:5cffef3371f6 140 case HSUPA:
RobMeades 0:5cffef3371f6 141 tr_info("Connected to HSPA");
RobMeades 0:5cffef3371f6 142 break;
RobMeades 0:5cffef3371f6 143 case HSDPA_HSUPA:
RobMeades 0:5cffef3371f6 144 tr_info("Connected to HDPA/HSPA");
RobMeades 0:5cffef3371f6 145 break;
RobMeades 0:5cffef3371f6 146 case LTE:
RobMeades 0:5cffef3371f6 147 tr_info("Connected to LTE");
RobMeades 0:5cffef3371f6 148 break;
fahimalavi 10:c4281fa79b8f 149 case EC_GSM_IoT:
fahimalavi 10:c4281fa79b8f 150 tr_info("Connected to EC_GSM_IoT");
fahimalavi 10:c4281fa79b8f 151 break;
fahimalavi 10:c4281fa79b8f 152 case E_UTRAN_NB_S1:
fahimalavi 10:c4281fa79b8f 153 tr_info("Connected to E_UTRAN NB1");
fahimalavi 10:c4281fa79b8f 154 break;
RobMeades 0:5cffef3371f6 155 default:
RobMeades 0:5cffef3371f6 156 tr_info("Unknown RAT %d", AcTStatus);
RobMeades 0:5cffef3371f6 157 break;
RobMeades 0:5cffef3371f6 158 }
RobMeades 0:5cffef3371f6 159
RobMeades 0:5cffef3371f6 160 _dev_info.rat = static_cast<RadioAccessNetworkType>(AcTStatus);
RobMeades 0:5cffef3371f6 161 }
RobMeades 0:5cffef3371f6 162
RobMeades 0:5cffef3371f6 163 bool UbloxCellularBase::get_iccid()
RobMeades 0:5cffef3371f6 164 {
RobMeades 0:5cffef3371f6 165 bool success;
RobMeades 0:5cffef3371f6 166 LOCK();
RobMeades 0:5cffef3371f6 167
RobMeades 0:5cffef3371f6 168 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 169
RobMeades 0:5cffef3371f6 170 // Returns the ICCID (Integrated Circuit Card ID) of the SIM-card.
RobMeades 0:5cffef3371f6 171 // ICCID is a serial number identifying the SIM.
RobMeades 0:5cffef3371f6 172 // AT Command Manual UBX-13002752, section 4.12
RobMeades 0:5cffef3371f6 173 success = _at->send("AT+CCID") && _at->recv("+CCID: %20[^\n]\nOK\n", _dev_info.iccid);
RobMeades 0:5cffef3371f6 174 tr_info("DevInfo: ICCID=%s", _dev_info.iccid);
RobMeades 0:5cffef3371f6 175
RobMeades 0:5cffef3371f6 176 UNLOCK();
RobMeades 0:5cffef3371f6 177 return success;
RobMeades 0:5cffef3371f6 178 }
RobMeades 0:5cffef3371f6 179
RobMeades 0:5cffef3371f6 180 bool UbloxCellularBase::get_imsi()
RobMeades 0:5cffef3371f6 181 {
RobMeades 0:5cffef3371f6 182 bool success;
RobMeades 0:5cffef3371f6 183 LOCK();
RobMeades 0:5cffef3371f6 184
RobMeades 0:5cffef3371f6 185 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 186
RobMeades 0:5cffef3371f6 187 // International mobile subscriber identification
RobMeades 0:5cffef3371f6 188 // AT Command Manual UBX-13002752, section 4.11
RobMeades 0:5cffef3371f6 189 success = _at->send("AT+CIMI") && _at->recv("%15[^\n]\nOK\n", _dev_info.imsi);
RobMeades 0:5cffef3371f6 190 tr_info("DevInfo: IMSI=%s", _dev_info.imsi);
RobMeades 0:5cffef3371f6 191
RobMeades 0:5cffef3371f6 192 UNLOCK();
RobMeades 0:5cffef3371f6 193 return success;
RobMeades 0:5cffef3371f6 194 }
RobMeades 0:5cffef3371f6 195
RobMeades 0:5cffef3371f6 196 bool UbloxCellularBase::get_imei()
RobMeades 0:5cffef3371f6 197 {
RobMeades 0:5cffef3371f6 198 bool success;
RobMeades 0:5cffef3371f6 199 LOCK();
RobMeades 0:5cffef3371f6 200
RobMeades 0:5cffef3371f6 201 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 202
RobMeades 0:5cffef3371f6 203 // International mobile equipment identifier
RobMeades 0:5cffef3371f6 204 // AT Command Manual UBX-13002752, section 4.7
RobMeades 0:5cffef3371f6 205 success = _at->send("AT+CGSN") && _at->recv("%15[^\n]\nOK\n", _dev_info.imei);
RobMeades 0:5cffef3371f6 206 tr_info("DevInfo: IMEI=%s", _dev_info.imei);
RobMeades 0:5cffef3371f6 207
RobMeades 0:5cffef3371f6 208 UNLOCK();
RobMeades 0:5cffef3371f6 209 return success;
RobMeades 0:5cffef3371f6 210 }
RobMeades 0:5cffef3371f6 211
RobMeades 0:5cffef3371f6 212 bool UbloxCellularBase::get_meid()
RobMeades 0:5cffef3371f6 213 {
RobMeades 0:5cffef3371f6 214 bool success;
RobMeades 0:5cffef3371f6 215 LOCK();
RobMeades 0:5cffef3371f6 216
RobMeades 0:5cffef3371f6 217 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 218
RobMeades 0:5cffef3371f6 219 // Mobile equipment identifier
RobMeades 0:5cffef3371f6 220 // AT Command Manual UBX-13002752, section 4.8
RobMeades 0:5cffef3371f6 221 success = _at->send("AT+GSN") && _at->recv("%18[^\n]\nOK\n", _dev_info.meid);
RobMeades 0:5cffef3371f6 222 tr_info("DevInfo: MEID=%s", _dev_info.meid);
RobMeades 0:5cffef3371f6 223
RobMeades 0:5cffef3371f6 224 UNLOCK();
RobMeades 0:5cffef3371f6 225 return success;
RobMeades 0:5cffef3371f6 226 }
RobMeades 0:5cffef3371f6 227
RobMeades 0:5cffef3371f6 228 bool UbloxCellularBase::set_sms()
RobMeades 0:5cffef3371f6 229 {
RobMeades 0:5cffef3371f6 230 bool success = false;
RobMeades 0:5cffef3371f6 231 char buf[32];
RobMeades 0:5cffef3371f6 232 LOCK();
RobMeades 0:5cffef3371f6 233
RobMeades 0:5cffef3371f6 234 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 235
RobMeades 0:5cffef3371f6 236 // Set up SMS format and enable URC
RobMeades 0:5cffef3371f6 237 // AT Command Manual UBX-13002752, section 11
RobMeades 0:5cffef3371f6 238 if (_at->send("AT+CMGF=1") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 239 tr_debug("SMS in text mode");
RobMeades 0:5cffef3371f6 240 if (_at->send("AT+CNMI=2,1") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 241 tr_debug("SMS URC enabled");
RobMeades 0:5cffef3371f6 242 // Set to CS preferred since PS preferred doesn't work
RobMeades 0:5cffef3371f6 243 // on some networks
RobMeades 0:5cffef3371f6 244 if (_at->send("AT+CGSMS=1") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 245 tr_debug("SMS set to CS preferred");
RobMeades 0:5cffef3371f6 246 success = true;
RobMeades 0:5cffef3371f6 247 memset (buf, 0, sizeof (buf));
RobMeades 0:5cffef3371f6 248 if (_at->send("AT+CSCA?") &&
RobMeades 0:5cffef3371f6 249 _at->recv("+CSCA: \"%31[^\"]\"", buf) &&
RobMeades 0:5cffef3371f6 250 _at->recv("OK")) {
RobMeades 0:5cffef3371f6 251 tr_info("SMS Service Centre address is \"%s\"", buf);
RobMeades 0:5cffef3371f6 252 }
RobMeades 0:5cffef3371f6 253 }
RobMeades 0:5cffef3371f6 254 }
RobMeades 0:5cffef3371f6 255 }
RobMeades 0:5cffef3371f6 256
RobMeades 0:5cffef3371f6 257 UNLOCK();
RobMeades 0:5cffef3371f6 258 return success;
RobMeades 0:5cffef3371f6 259 }
RobMeades 0:5cffef3371f6 260
RobMeades 0:5cffef3371f6 261 void UbloxCellularBase::parser_abort_cb()
RobMeades 0:5cffef3371f6 262 {
RobMeades 0:5cffef3371f6 263 _at->abort();
RobMeades 0:5cffef3371f6 264 }
RobMeades 0:5cffef3371f6 265
RobMeades 0:5cffef3371f6 266 // Callback for CME ERROR and CMS ERROR.
RobMeades 0:5cffef3371f6 267 void UbloxCellularBase::CMX_ERROR_URC()
RobMeades 0:5cffef3371f6 268 {
RobMeades 0:5cffef3371f6 269 char buf[48];
RobMeades 0:5cffef3371f6 270
RobMeades 0:5cffef3371f6 271 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 0:5cffef3371f6 272 tr_debug("AT error %s", buf);
RobMeades 0:5cffef3371f6 273 }
RobMeades 0:5cffef3371f6 274 parser_abort_cb();
RobMeades 0:5cffef3371f6 275 }
RobMeades 0:5cffef3371f6 276
RobMeades 0:5cffef3371f6 277 // Callback for circuit switched registration URC.
RobMeades 0:5cffef3371f6 278 void UbloxCellularBase::CREG_URC()
RobMeades 0:5cffef3371f6 279 {
RobMeades 0:5cffef3371f6 280 char buf[10];
RobMeades 0:5cffef3371f6 281 int status;
RobMeades 0:5cffef3371f6 282
RobMeades 0:5cffef3371f6 283 // If this is the URC it will be a single
RobMeades 0:5cffef3371f6 284 // digit followed by \n. If it is the
RobMeades 0:5cffef3371f6 285 // answer to a CREG query, it will be
RobMeades 0:5cffef3371f6 286 // a ": %d,%d\n" where the second digit
RobMeades 0:5cffef3371f6 287 // indicates the status
RobMeades 0:5cffef3371f6 288 // Note: not calling _at->recv() from here as we're
RobMeades 0:5cffef3371f6 289 // already in an _at->recv()
RobMeades 0:5cffef3371f6 290 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 0:5cffef3371f6 291 if (sscanf(buf, ": %*d,%d", &status) == 1) {
RobMeades 0:5cffef3371f6 292 set_nwk_reg_status_csd(status);
RobMeades 0:5cffef3371f6 293 } else if (sscanf(buf, ": %d", &status) == 1) {
RobMeades 0:5cffef3371f6 294 set_nwk_reg_status_csd(status);
RobMeades 0:5cffef3371f6 295 }
RobMeades 0:5cffef3371f6 296 }
RobMeades 0:5cffef3371f6 297 }
RobMeades 0:5cffef3371f6 298
RobMeades 0:5cffef3371f6 299 // Callback for packet switched registration URC.
RobMeades 0:5cffef3371f6 300 void UbloxCellularBase::CGREG_URC()
RobMeades 0:5cffef3371f6 301 {
RobMeades 0:5cffef3371f6 302 char buf[10];
RobMeades 0:5cffef3371f6 303 int status;
RobMeades 0:5cffef3371f6 304
RobMeades 0:5cffef3371f6 305 // If this is the URC it will be a single
RobMeades 0:5cffef3371f6 306 // digit followed by \n. If it is the
RobMeades 0:5cffef3371f6 307 // answer to a CGREG query, it will be
RobMeades 0:5cffef3371f6 308 // a ": %d,%d\n" where the second digit
RobMeades 0:5cffef3371f6 309 // indicates the status
RobMeades 0:5cffef3371f6 310 // Note: not calling _at->recv() from here as we're
RobMeades 0:5cffef3371f6 311 // already in an _at->recv()
RobMeades 0:5cffef3371f6 312 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 0:5cffef3371f6 313 if (sscanf(buf, ": %*d,%d", &status) == 1) {
RobMeades 0:5cffef3371f6 314 set_nwk_reg_status_psd(status);
RobMeades 0:5cffef3371f6 315 } else if (sscanf(buf, ": %d", &status) == 1) {
RobMeades 0:5cffef3371f6 316 set_nwk_reg_status_psd(status);
RobMeades 0:5cffef3371f6 317 }
RobMeades 0:5cffef3371f6 318 }
RobMeades 0:5cffef3371f6 319 }
RobMeades 0:5cffef3371f6 320
RobMeades 0:5cffef3371f6 321 // Callback for EPS registration URC.
RobMeades 0:5cffef3371f6 322 void UbloxCellularBase::CEREG_URC()
RobMeades 0:5cffef3371f6 323 {
RobMeades 0:5cffef3371f6 324 char buf[10];
RobMeades 0:5cffef3371f6 325 int status;
RobMeades 0:5cffef3371f6 326
RobMeades 0:5cffef3371f6 327 // If this is the URC it will be a single
RobMeades 0:5cffef3371f6 328 // digit followed by \n. If it is the
RobMeades 0:5cffef3371f6 329 // answer to a CEREG query, it will be
RobMeades 0:5cffef3371f6 330 // a ": %d,%d\n" where the second digit
RobMeades 0:5cffef3371f6 331 // indicates the status
RobMeades 0:5cffef3371f6 332 // Note: not calling _at->recv() from here as we're
RobMeades 0:5cffef3371f6 333 // already in an _at->recv()
RobMeades 0:5cffef3371f6 334 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 0:5cffef3371f6 335 if (sscanf(buf, ": %*d,%d", &status) == 1) {
RobMeades 0:5cffef3371f6 336 set_nwk_reg_status_eps(status);
RobMeades 0:5cffef3371f6 337 } else if (sscanf(buf, ": %d", &status) == 1) {
RobMeades 0:5cffef3371f6 338 set_nwk_reg_status_eps(status);
RobMeades 0:5cffef3371f6 339 }
RobMeades 0:5cffef3371f6 340 }
RobMeades 0:5cffef3371f6 341 }
RobMeades 0:5cffef3371f6 342
RobMeades 0:5cffef3371f6 343 // Callback UMWI, just filtering it out.
RobMeades 0:5cffef3371f6 344 void UbloxCellularBase::UMWI_URC()
RobMeades 0:5cffef3371f6 345 {
RobMeades 0:5cffef3371f6 346 char buf[10];
RobMeades 0:5cffef3371f6 347
RobMeades 0:5cffef3371f6 348 // Note: not calling _at->recv() from here as we're
RobMeades 0:5cffef3371f6 349 // already in an _at->recv()
RobMeades 0:5cffef3371f6 350 read_at_to_char(buf, sizeof (buf), '\n');
RobMeades 0:5cffef3371f6 351 }
RobMeades 0:5cffef3371f6 352
RobMeades 0:5cffef3371f6 353 /**********************************************************************
RobMeades 0:5cffef3371f6 354 * PROTECTED METHODS
RobMeades 0:5cffef3371f6 355 **********************************************************************/
RobMeades 0:5cffef3371f6 356
RobMeades 0:5cffef3371f6 357 #if MODEM_ON_BOARD
RobMeades 0:5cffef3371f6 358 void UbloxCellularBase::modem_init()
RobMeades 0:5cffef3371f6 359 {
RobMeades 0:5cffef3371f6 360 ::onboard_modem_init();
RobMeades 0:5cffef3371f6 361 }
RobMeades 0:5cffef3371f6 362
RobMeades 0:5cffef3371f6 363 void UbloxCellularBase::modem_deinit()
RobMeades 0:5cffef3371f6 364 {
RobMeades 0:5cffef3371f6 365 ::onboard_modem_deinit();
RobMeades 0:5cffef3371f6 366 }
RobMeades 0:5cffef3371f6 367
RobMeades 0:5cffef3371f6 368 void UbloxCellularBase::modem_power_up()
RobMeades 0:5cffef3371f6 369 {
RobMeades 0:5cffef3371f6 370 ::onboard_modem_power_up();
RobMeades 0:5cffef3371f6 371 }
RobMeades 0:5cffef3371f6 372
RobMeades 0:5cffef3371f6 373 void UbloxCellularBase::modem_power_down()
RobMeades 0:5cffef3371f6 374 {
RobMeades 0:5cffef3371f6 375 ::onboard_modem_power_down();
RobMeades 0:5cffef3371f6 376 }
RobMeades 0:5cffef3371f6 377 #else
RobMeades 0:5cffef3371f6 378 void UbloxCellularBase::modem_init()
RobMeades 0:5cffef3371f6 379 {
RobMeades 0:5cffef3371f6 380 // Meant to be overridden
RobMeades 0:5cffef3371f6 381 }
RobMeades 0:5cffef3371f6 382
RobMeades 0:5cffef3371f6 383 void UbloxCellularBase::modem_deinit()
RobMeades 0:5cffef3371f6 384 {
RobMeades 0:5cffef3371f6 385 // Meant to be overridden
RobMeades 0:5cffef3371f6 386 }
RobMeades 0:5cffef3371f6 387
RobMeades 0:5cffef3371f6 388 void UbloxCellularBase::modem_power_up()
RobMeades 0:5cffef3371f6 389 {
RobMeades 0:5cffef3371f6 390 // Meant to be overridden
RobMeades 0:5cffef3371f6 391 }
RobMeades 0:5cffef3371f6 392
RobMeades 0:5cffef3371f6 393 void UbloxCellularBase::modem_power_down()
RobMeades 0:5cffef3371f6 394 {
RobMeades 0:5cffef3371f6 395 // Mmeant to be overridden
RobMeades 0:5cffef3371f6 396 }
RobMeades 0:5cffef3371f6 397 #endif
RobMeades 0:5cffef3371f6 398
RobMeades 0:5cffef3371f6 399 // Constructor.
RobMeades 0:5cffef3371f6 400 // Note: to allow this base class to be inherited as a virtual base class
RobMeades 0:5cffef3371f6 401 // by everyone, it takes no parameters. See also comment above classInit()
RobMeades 0:5cffef3371f6 402 // in the header file.
RobMeades 0:5cffef3371f6 403 UbloxCellularBase::UbloxCellularBase()
RobMeades 0:5cffef3371f6 404 {
RobMeades 0:5cffef3371f6 405 _pin = NULL;
RobMeades 0:5cffef3371f6 406 _at = NULL;
RobMeades 0:5cffef3371f6 407 _at_timeout = AT_PARSER_TIMEOUT;
RobMeades 0:5cffef3371f6 408 _fh = NULL;
RobMeades 0:5cffef3371f6 409 _modem_initialised = false;
RobMeades 0:5cffef3371f6 410 _sim_pin_check_enabled = false;
RobMeades 0:5cffef3371f6 411 _debug_trace_on = false;
RobMeades 0:5cffef3371f6 412
RobMeades 0:5cffef3371f6 413 _dev_info.dev = DEV_TYPE_NONE;
RobMeades 0:5cffef3371f6 414 _dev_info.reg_status_csd = CSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 415 _dev_info.reg_status_psd = PSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 416 _dev_info.reg_status_eps = EPS_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 417 }
RobMeades 0:5cffef3371f6 418
RobMeades 0:5cffef3371f6 419 // Destructor.
RobMeades 0:5cffef3371f6 420 UbloxCellularBase::~UbloxCellularBase()
RobMeades 0:5cffef3371f6 421 {
RobMeades 0:5cffef3371f6 422 deinit();
RobMeades 0:5cffef3371f6 423 delete _at;
RobMeades 0:5cffef3371f6 424 delete _fh;
RobMeades 0:5cffef3371f6 425 }
RobMeades 0:5cffef3371f6 426
RobMeades 0:5cffef3371f6 427 // Initialise the portions of this class that are parameterised.
RobMeades 0:5cffef3371f6 428 void UbloxCellularBase::baseClassInit(PinName tx, PinName rx,
RobMeades 0:5cffef3371f6 429 int baud, bool debug_on)
RobMeades 0:5cffef3371f6 430 {
RobMeades 0:5cffef3371f6 431 // Only initialise ourselves if it's not already been done
RobMeades 0:5cffef3371f6 432 if (_at == NULL) {
RobMeades 0:5cffef3371f6 433 if (_debug_trace_on == false) {
RobMeades 0:5cffef3371f6 434 _debug_trace_on = debug_on;
RobMeades 0:5cffef3371f6 435 }
rob.meades@u-blox.com 4:2e640a101db1 436 _baud = baud;
RobMeades 0:5cffef3371f6 437
RobMeades 0:5cffef3371f6 438 // Set up File Handle for buffered serial comms with cellular module
RobMeades 0:5cffef3371f6 439 // (which will be used by the AT parser)
rob.meades@u-blox.com 4:2e640a101db1 440 // Note: the UART is initialised to run no faster than 115200 because
rob.meades@u-blox.com 4:2e640a101db1 441 // the modems cannot reliably auto-baud at faster rates. The faster
rob.meades@u-blox.com 4:2e640a101db1 442 // rate is adopted later with a specific AT command and the
rob.meades@u-blox.com 4:2e640a101db1 443 // UARTSerial rate is adjusted at that time
rob.meades@u-blox.com 4:2e640a101db1 444 if (baud > 115200) {
rob.meades@u-blox.com 4:2e640a101db1 445 baud = 115200;
rob.meades@u-blox.com 4:2e640a101db1 446 }
RobMeades 0:5cffef3371f6 447 _fh = new UARTSerial(tx, rx, baud);
RobMeades 0:5cffef3371f6 448
RobMeades 0:5cffef3371f6 449 // Set up the AT parser
RobMeades 0:5cffef3371f6 450 _at = new ATCmdParser(_fh, OUTPUT_ENTER_KEY, AT_PARSER_BUFFER_SIZE,
rob.meades@u-blox.com 3:f9b2cd6f72b1 451 _at_timeout, _debug_trace_on);
RobMeades 0:5cffef3371f6 452
RobMeades 0:5cffef3371f6 453 // Error cases, out of band handling
RobMeades 0:5cffef3371f6 454 _at->oob("ERROR", callback(this, &UbloxCellularBase::parser_abort_cb));
RobMeades 0:5cffef3371f6 455 _at->oob("+CME ERROR", callback(this, &UbloxCellularBase::CMX_ERROR_URC));
RobMeades 0:5cffef3371f6 456 _at->oob("+CMS ERROR", callback(this, &UbloxCellularBase::CMX_ERROR_URC));
RobMeades 0:5cffef3371f6 457
RobMeades 0:5cffef3371f6 458 // Registration status, out of band handling
RobMeades 0:5cffef3371f6 459 _at->oob("+CREG", callback(this, &UbloxCellularBase::CREG_URC));
RobMeades 0:5cffef3371f6 460 _at->oob("+CGREG", callback(this, &UbloxCellularBase::CGREG_URC));
RobMeades 0:5cffef3371f6 461 _at->oob("+CEREG", callback(this, &UbloxCellularBase::CEREG_URC));
RobMeades 0:5cffef3371f6 462
RobMeades 0:5cffef3371f6 463 // Capture the UMWI, just to stop it getting in the way
RobMeades 0:5cffef3371f6 464 _at->oob("+UMWI", callback(this, &UbloxCellularBase::UMWI_URC));
RobMeades 0:5cffef3371f6 465 }
RobMeades 0:5cffef3371f6 466 }
RobMeades 0:5cffef3371f6 467
RobMeades 0:5cffef3371f6 468 // Set the AT parser timeout.
RobMeades 0:5cffef3371f6 469 // Note: the AT interface should be locked before this is called.
RobMeades 0:5cffef3371f6 470 void UbloxCellularBase::at_set_timeout(int timeout) {
RobMeades 0:5cffef3371f6 471
RobMeades 0:5cffef3371f6 472 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 473
RobMeades 0:5cffef3371f6 474 _at_timeout = timeout;
RobMeades 0:5cffef3371f6 475 _at->set_timeout(timeout);
RobMeades 0:5cffef3371f6 476 }
RobMeades 0:5cffef3371f6 477
RobMeades 0:5cffef3371f6 478 // Read up to size bytes from the AT interface up to a "end".
RobMeades 0:5cffef3371f6 479 // Note: the AT interface should be locked before this is called.
RobMeades 0:5cffef3371f6 480 int UbloxCellularBase::read_at_to_char(char * buf, int size, char end)
RobMeades 0:5cffef3371f6 481 {
RobMeades 0:5cffef3371f6 482 int count = 0;
RobMeades 0:5cffef3371f6 483 int x = 0;
RobMeades 0:5cffef3371f6 484
RobMeades 0:5cffef3371f6 485 if (size > 0) {
RobMeades 0:5cffef3371f6 486 for (count = 0; (count < size) && (x >= 0) && (x != end); count++) {
RobMeades 0:5cffef3371f6 487 x = _at->getc();
RobMeades 0:5cffef3371f6 488 *(buf + count) = (char) x;
RobMeades 0:5cffef3371f6 489 }
RobMeades 0:5cffef3371f6 490
RobMeades 0:5cffef3371f6 491 count--;
RobMeades 0:5cffef3371f6 492 *(buf + count) = 0;
RobMeades 0:5cffef3371f6 493
RobMeades 0:5cffef3371f6 494 // Convert line endings:
RobMeades 0:5cffef3371f6 495 // If end was '\n' (0x0a) and the preceding character was 0x0d, then
RobMeades 0:5cffef3371f6 496 // overwrite that with null as well.
RobMeades 0:5cffef3371f6 497 if ((count > 0) && (end == '\n') && (*(buf + count - 1) == '\x0d')) {
RobMeades 0:5cffef3371f6 498 count--;
RobMeades 0:5cffef3371f6 499 *(buf + count) = 0;
RobMeades 0:5cffef3371f6 500 }
RobMeades 0:5cffef3371f6 501 }
RobMeades 0:5cffef3371f6 502
RobMeades 0:5cffef3371f6 503 return count;
RobMeades 0:5cffef3371f6 504 }
RobMeades 0:5cffef3371f6 505
RobMeades 0:5cffef3371f6 506 // Power up the modem.
RobMeades 0:5cffef3371f6 507 // Enables the GPIO lines to the modem and then wriggles the power line in short pulses.
RobMeades 0:5cffef3371f6 508 bool UbloxCellularBase::power_up()
RobMeades 0:5cffef3371f6 509 {
RobMeades 0:5cffef3371f6 510 bool success = false;
RobMeades 0:5cffef3371f6 511 int at_timeout;
RobMeades 0:5cffef3371f6 512 LOCK();
RobMeades 0:5cffef3371f6 513
RobMeades 0:5cffef3371f6 514 at_timeout = _at_timeout; // Has to be inside LOCK()s
RobMeades 0:5cffef3371f6 515
RobMeades 0:5cffef3371f6 516 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 517
RobMeades 0:5cffef3371f6 518 /* Initialize GPIO lines */
RobMeades 0:5cffef3371f6 519 tr_info("Powering up modem...");
pilotak 7:c2cf27a981b3 520 modem_init();
RobMeades 0:5cffef3371f6 521 /* Give modem a little time to settle down */
RobMeades 0:5cffef3371f6 522 wait_ms(250);
RobMeades 0:5cffef3371f6 523
RobMeades 0:5cffef3371f6 524 for (int retry_count = 0; !success && (retry_count < 20); retry_count++) {
pilotak 7:c2cf27a981b3 525 modem_power_up();
RobMeades 0:5cffef3371f6 526 wait_ms(500);
RobMeades 0:5cffef3371f6 527 // Modem tends to spit out noise during power up - don't confuse the parser
RobMeades 0:5cffef3371f6 528 _at->flush();
RobMeades 0:5cffef3371f6 529 at_set_timeout(1000);
RobMeades 0:5cffef3371f6 530 if (_at->send("AT")) {
RobMeades 0:5cffef3371f6 531 // C027 needs a delay here
RobMeades 0:5cffef3371f6 532 wait_ms(100);
RobMeades 0:5cffef3371f6 533 if (_at->recv("OK")) {
RobMeades 0:5cffef3371f6 534 success = true;
RobMeades 0:5cffef3371f6 535 }
RobMeades 0:5cffef3371f6 536 }
RobMeades 0:5cffef3371f6 537 at_set_timeout(at_timeout);
RobMeades 0:5cffef3371f6 538 }
RobMeades 0:5cffef3371f6 539
rob.meades@u-blox.com 4:2e640a101db1 540 if (success) {
rob.meades@u-blox.com 4:2e640a101db1 541 // Set the final baud rate
rob.meades@u-blox.com 4:2e640a101db1 542 if (_at->send("AT+IPR=%d", _baud) && _at->recv("OK")) {
rob.meades@u-blox.com 4:2e640a101db1 543 // Need to wait for things to be sorted out on the modem side
rob.meades@u-blox.com 4:2e640a101db1 544 wait_ms(100);
rob.meades@u-blox.com 4:2e640a101db1 545 ((UARTSerial *)_fh)->set_baud(_baud);
rob.meades@u-blox.com 4:2e640a101db1 546 }
rob.meades@u-blox.com 4:2e640a101db1 547
rob.meades@u-blox.com 4:2e640a101db1 548 // Turn off modem echoing and turn on verbose responses
rob.meades@u-blox.com 4:2e640a101db1 549 success = _at->send("ATE0;+CMEE=2") && _at->recv("OK") &&
rob.meades@u-blox.com 4:2e640a101db1 550 // The following commands are best sent separately
rob.meades@u-blox.com 4:2e640a101db1 551 _at->send("AT&K0") && _at->recv("OK") && // Turn off RTC/CTS handshaking
rob.meades@u-blox.com 4:2e640a101db1 552 _at->send("AT&C1") && _at->recv("OK") && // Set DCD circuit(109), changes in accordance with the carrier detect status
rob.meades@u-blox.com 4:2e640a101db1 553 _at->send("AT&D0") && _at->recv("OK"); // Set DTR circuit, we ignore the state change of DTR
rob.meades@u-blox.com 4:2e640a101db1 554 }
RobMeades 0:5cffef3371f6 555
RobMeades 0:5cffef3371f6 556 if (!success) {
RobMeades 0:5cffef3371f6 557 tr_error("Preliminary modem setup failed.");
RobMeades 0:5cffef3371f6 558 }
RobMeades 0:5cffef3371f6 559
RobMeades 0:5cffef3371f6 560 UNLOCK();
RobMeades 0:5cffef3371f6 561 return success;
RobMeades 0:5cffef3371f6 562 }
RobMeades 0:5cffef3371f6 563
RobMeades 0:5cffef3371f6 564 // Power down modem via AT interface.
RobMeades 0:5cffef3371f6 565 void UbloxCellularBase::power_down()
RobMeades 0:5cffef3371f6 566 {
RobMeades 0:5cffef3371f6 567 LOCK();
RobMeades 0:5cffef3371f6 568
RobMeades 0:5cffef3371f6 569 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 570
RobMeades 0:5cffef3371f6 571 // If we have been running, do a soft power-off first
RobMeades 0:5cffef3371f6 572 if (_modem_initialised && (_at != NULL)) {
RobMeades 0:5cffef3371f6 573 _at->send("AT+CPWROFF") && _at->recv("OK");
RobMeades 0:5cffef3371f6 574 }
RobMeades 0:5cffef3371f6 575
RobMeades 0:5cffef3371f6 576 // Now do a hard power-off
pilotak 7:c2cf27a981b3 577 modem_power_down();
pilotak 7:c2cf27a981b3 578 modem_deinit();
RobMeades 0:5cffef3371f6 579
RobMeades 0:5cffef3371f6 580 _dev_info.reg_status_csd = CSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 581 _dev_info.reg_status_psd = PSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 582 _dev_info.reg_status_eps = EPS_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 583
RobMeades 0:5cffef3371f6 584 UNLOCK();
RobMeades 0:5cffef3371f6 585 }
RobMeades 0:5cffef3371f6 586
RobMeades 0:5cffef3371f6 587 // Get the device ID.
RobMeades 0:5cffef3371f6 588 bool UbloxCellularBase::set_device_identity(DeviceType *dev)
RobMeades 0:5cffef3371f6 589 {
RobMeades 0:5cffef3371f6 590 char buf[20];
RobMeades 0:5cffef3371f6 591 bool success;
RobMeades 0:5cffef3371f6 592 LOCK();
RobMeades 0:5cffef3371f6 593
RobMeades 0:5cffef3371f6 594 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 595
RobMeades 0:5cffef3371f6 596 success = _at->send("ATI") && _at->recv("%19[^\n]\nOK\n", buf);
RobMeades 0:5cffef3371f6 597
RobMeades 0:5cffef3371f6 598 if (success) {
RobMeades 0:5cffef3371f6 599 if (strstr(buf, "SARA-G35"))
RobMeades 0:5cffef3371f6 600 *dev = DEV_SARA_G35;
RobMeades 0:5cffef3371f6 601 else if (strstr(buf, "LISA-U200-03S"))
RobMeades 0:5cffef3371f6 602 *dev = DEV_LISA_U2_03S;
RobMeades 0:5cffef3371f6 603 else if (strstr(buf, "LISA-U2"))
RobMeades 0:5cffef3371f6 604 *dev = DEV_LISA_U2;
RobMeades 0:5cffef3371f6 605 else if (strstr(buf, "SARA-U2"))
RobMeades 0:5cffef3371f6 606 *dev = DEV_SARA_U2;
fahimalavi 10:c4281fa79b8f 607 else if (strstr(buf, "SARA-R4"))
fahimalavi 10:c4281fa79b8f 608 *dev = DEV_SARA_R4;
RobMeades 0:5cffef3371f6 609 else if (strstr(buf, "LEON-G2"))
RobMeades 0:5cffef3371f6 610 *dev = DEV_LEON_G2;
RobMeades 0:5cffef3371f6 611 else if (strstr(buf, "TOBY-L2"))
RobMeades 0:5cffef3371f6 612 *dev = DEV_TOBY_L2;
RobMeades 0:5cffef3371f6 613 else if (strstr(buf, "MPCI-L2"))
RobMeades 0:5cffef3371f6 614 *dev = DEV_MPCI_L2;
RobMeades 0:5cffef3371f6 615 }
RobMeades 0:5cffef3371f6 616
RobMeades 0:5cffef3371f6 617 UNLOCK();
RobMeades 0:5cffef3371f6 618 return success;
RobMeades 0:5cffef3371f6 619 }
RobMeades 0:5cffef3371f6 620
RobMeades 0:5cffef3371f6 621 // Send initialisation AT commands that are specific to the device.
RobMeades 0:5cffef3371f6 622 bool UbloxCellularBase::device_init(DeviceType dev)
RobMeades 0:5cffef3371f6 623 {
RobMeades 0:5cffef3371f6 624 bool success = false;
RobMeades 0:5cffef3371f6 625 LOCK();
RobMeades 0:5cffef3371f6 626
RobMeades 0:5cffef3371f6 627 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 628
RobMeades 0:5cffef3371f6 629 if ((dev == DEV_LISA_U2) || (dev == DEV_LEON_G2) || (dev == DEV_TOBY_L2)) {
RobMeades 0:5cffef3371f6 630 success = _at->send("AT+UGPIOC=20,2") && _at->recv("OK");
RobMeades 0:5cffef3371f6 631 } else if ((dev == DEV_SARA_U2) || (dev == DEV_SARA_G35)) {
RobMeades 0:5cffef3371f6 632 success = _at->send("AT+UGPIOC=16,2") && _at->recv("OK");
RobMeades 0:5cffef3371f6 633 } else {
RobMeades 0:5cffef3371f6 634 success = true;
RobMeades 0:5cffef3371f6 635 }
RobMeades 0:5cffef3371f6 636
RobMeades 0:5cffef3371f6 637 UNLOCK();
RobMeades 0:5cffef3371f6 638 return success;
RobMeades 0:5cffef3371f6 639 }
RobMeades 0:5cffef3371f6 640
RobMeades 0:5cffef3371f6 641 // Get the SIM card going.
RobMeades 0:5cffef3371f6 642 bool UbloxCellularBase::initialise_sim_card()
RobMeades 0:5cffef3371f6 643 {
RobMeades 0:5cffef3371f6 644 bool success = false;
RobMeades 0:5cffef3371f6 645 int retry_count = 0;
RobMeades 0:5cffef3371f6 646 bool done = false;
RobMeades 0:5cffef3371f6 647 LOCK();
RobMeades 0:5cffef3371f6 648
RobMeades 0:5cffef3371f6 649 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 650
RobMeades 0:5cffef3371f6 651 /* SIM initialisation may take a significant amount, so an error is
RobMeades 0:5cffef3371f6 652 * kind of expected. We should retry 10 times until we succeed or timeout. */
RobMeades 0:5cffef3371f6 653 for (retry_count = 0; !done && (retry_count < 10); retry_count++) {
RobMeades 0:5cffef3371f6 654 char pinstr[16];
RobMeades 0:5cffef3371f6 655
RobMeades 0:5cffef3371f6 656 if (_at->send("AT+CPIN?") && _at->recv("+CPIN: %15[^\n]\n", pinstr) &&
RobMeades 0:5cffef3371f6 657 _at->recv("OK")) {
RobMeades 0:5cffef3371f6 658 done = true;
RobMeades 0:5cffef3371f6 659 if (strcmp(pinstr, "SIM PIN") == 0) {
RobMeades 0:5cffef3371f6 660 _sim_pin_check_enabled = true;
RobMeades 0:5cffef3371f6 661 if (_at->send("AT+CPIN=\"%s\"", _pin)) {
RobMeades 0:5cffef3371f6 662 if (_at->recv("OK")) {
RobMeades 0:5cffef3371f6 663 tr_info("PIN correct");
RobMeades 0:5cffef3371f6 664 success = true;
RobMeades 0:5cffef3371f6 665 } else {
RobMeades 0:5cffef3371f6 666 tr_error("Incorrect PIN");
RobMeades 0:5cffef3371f6 667 }
RobMeades 0:5cffef3371f6 668 }
RobMeades 0:5cffef3371f6 669 } else if (strcmp(pinstr, "READY") == 0) {
RobMeades 0:5cffef3371f6 670 _sim_pin_check_enabled = false;
RobMeades 0:5cffef3371f6 671 tr_info("No PIN required");
RobMeades 0:5cffef3371f6 672 success = true;
RobMeades 0:5cffef3371f6 673 } else {
RobMeades 0:5cffef3371f6 674 tr_debug("Unexpected response from SIM: \"%s\"", pinstr);
RobMeades 0:5cffef3371f6 675 }
RobMeades 0:5cffef3371f6 676 }
RobMeades 0:5cffef3371f6 677
RobMeades 0:5cffef3371f6 678 /* wait for a second before retry */
RobMeades 0:5cffef3371f6 679 wait_ms(1000);
RobMeades 0:5cffef3371f6 680 }
RobMeades 0:5cffef3371f6 681
RobMeades 0:5cffef3371f6 682 if (done) {
RobMeades 0:5cffef3371f6 683 tr_info("SIM Ready.");
RobMeades 0:5cffef3371f6 684 } else {
RobMeades 0:5cffef3371f6 685 tr_error("SIM not ready.");
RobMeades 0:5cffef3371f6 686 }
RobMeades 0:5cffef3371f6 687
RobMeades 0:5cffef3371f6 688 UNLOCK();
RobMeades 0:5cffef3371f6 689 return success;
RobMeades 0:5cffef3371f6 690 }
RobMeades 0:5cffef3371f6 691
RobMeades 0:5cffef3371f6 692 /**********************************************************************
RobMeades 0:5cffef3371f6 693 * PUBLIC METHODS
RobMeades 0:5cffef3371f6 694 **********************************************************************/
RobMeades 0:5cffef3371f6 695
RobMeades 0:5cffef3371f6 696 // Initialise the modem.
RobMeades 0:5cffef3371f6 697 bool UbloxCellularBase::init(const char *pin)
RobMeades 0:5cffef3371f6 698 {
RobMeades 8:a15349fcab25 699 int x;
RobMeades 0:5cffef3371f6 700 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 701
RobMeades 0:5cffef3371f6 702 if (!_modem_initialised) {
RobMeades 0:5cffef3371f6 703 if (power_up()) {
RobMeades 0:5cffef3371f6 704 tr_info("Modem Ready.");
RobMeades 0:5cffef3371f6 705 if (pin != NULL) {
RobMeades 0:5cffef3371f6 706 _pin = pin;
RobMeades 0:5cffef3371f6 707 }
RobMeades 0:5cffef3371f6 708 if (initialise_sim_card()) {
RobMeades 0:5cffef3371f6 709 if (set_device_identity(&_dev_info.dev) && // Set up device identity
rob.meades@u-blox.com 6:8fadf1e49487 710 device_init(_dev_info.dev)) {// Initialise this device
rob.meades@u-blox.com 6:8fadf1e49487 711 // Get the integrated circuit ID of the SIM
rob.meades@u-blox.com 6:8fadf1e49487 712 if (get_iccid()) {
rob.meades@u-blox.com 6:8fadf1e49487 713 // Try a few times to get the IMSI (since on some modems this can
rob.meades@u-blox.com 6:8fadf1e49487 714 // take a while to be retrieved, especially if a SIM PIN
rob.meades@u-blox.com 6:8fadf1e49487 715 // was set)
RobMeades 8:a15349fcab25 716 for (x = 0; (x < 3) && !get_imsi(); x++) {
rob.meades@u-blox.com 6:8fadf1e49487 717 wait_ms(1000);
rob.meades@u-blox.com 6:8fadf1e49487 718 }
rob.meades@u-blox.com 6:8fadf1e49487 719
RobMeades 8:a15349fcab25 720 if (x < 3) { // If we got the IMSI, can get the others
rob.meades@u-blox.com 6:8fadf1e49487 721 if (get_imei() && // Get international mobile equipment identifier
rob.meades@u-blox.com 6:8fadf1e49487 722 get_meid() && // Probably the same as the IMEI
rob.meades@u-blox.com 6:8fadf1e49487 723 set_sms()) { // And set up SMS
rob.meades@u-blox.com 6:8fadf1e49487 724 // The modem is initialised.
rob.meades@u-blox.com 6:8fadf1e49487 725 _modem_initialised = true;
rob.meades@u-blox.com 6:8fadf1e49487 726 }
rob.meades@u-blox.com 6:8fadf1e49487 727 }
rob.meades@u-blox.com 6:8fadf1e49487 728 }
RobMeades 0:5cffef3371f6 729 }
RobMeades 0:5cffef3371f6 730 }
RobMeades 0:5cffef3371f6 731 }
RobMeades 0:5cffef3371f6 732 }
RobMeades 0:5cffef3371f6 733
RobMeades 0:5cffef3371f6 734 return _modem_initialised;
RobMeades 0:5cffef3371f6 735 }
RobMeades 0:5cffef3371f6 736
RobMeades 0:5cffef3371f6 737 // Perform registration.
RobMeades 0:5cffef3371f6 738 bool UbloxCellularBase::nwk_registration()
RobMeades 0:5cffef3371f6 739 {
RobMeades 0:5cffef3371f6 740 bool atSuccess = false;
RobMeades 0:5cffef3371f6 741 bool registered = false;
RobMeades 0:5cffef3371f6 742 int status;
RobMeades 0:5cffef3371f6 743 int at_timeout;
RobMeades 0:5cffef3371f6 744 LOCK();
RobMeades 0:5cffef3371f6 745
RobMeades 0:5cffef3371f6 746 at_timeout = _at_timeout; // Has to be inside LOCK()s
RobMeades 0:5cffef3371f6 747
RobMeades 0:5cffef3371f6 748 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 749
RobMeades 0:5cffef3371f6 750 if (!is_registered_psd() && !is_registered_csd() && !is_registered_eps()) {
RobMeades 0:5cffef3371f6 751 tr_info("Searching Network...");
RobMeades 0:5cffef3371f6 752 // Enable the packet switched and network registration unsolicited result codes
RobMeades 0:5cffef3371f6 753 if (_at->send("AT+CREG=1") && _at->recv("OK") &&
RobMeades 0:5cffef3371f6 754 _at->send("AT+CGREG=1") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 755 atSuccess = true;
RobMeades 0:5cffef3371f6 756 if (_at->send("AT+CEREG=1")) {
RobMeades 0:5cffef3371f6 757 _at->recv("OK");
RobMeades 0:5cffef3371f6 758 // Don't check return value as this works for LTE only
RobMeades 0:5cffef3371f6 759 }
RobMeades 0:5cffef3371f6 760
RobMeades 0:5cffef3371f6 761 if (atSuccess) {
RobMeades 0:5cffef3371f6 762 // See if we are already in automatic mode
RobMeades 0:5cffef3371f6 763 if (_at->send("AT+COPS?") && _at->recv("+COPS: %d", &status) &&
RobMeades 0:5cffef3371f6 764 _at->recv("OK")) {
RobMeades 0:5cffef3371f6 765 // If not, set it
RobMeades 0:5cffef3371f6 766 if (status != 0) {
RobMeades 0:5cffef3371f6 767 // Don't check return code here as there's not much
RobMeades 0:5cffef3371f6 768 // we can do if this fails.
RobMeades 0:5cffef3371f6 769 _at->send("AT+COPS=0") && _at->recv("OK");
RobMeades 0:5cffef3371f6 770 }
RobMeades 0:5cffef3371f6 771 }
RobMeades 0:5cffef3371f6 772
RobMeades 0:5cffef3371f6 773 // Query the registration status directly as well,
RobMeades 0:5cffef3371f6 774 // just in case
RobMeades 0:5cffef3371f6 775 if (_at->send("AT+CREG?") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 776 // Answer will be processed by URC
RobMeades 0:5cffef3371f6 777 }
RobMeades 0:5cffef3371f6 778 if (_at->send("AT+CGREG?") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 779 // Answer will be processed by URC
RobMeades 0:5cffef3371f6 780 }
RobMeades 0:5cffef3371f6 781 if (_at->send("AT+CEREG?")) {
RobMeades 0:5cffef3371f6 782 _at->recv("OK");
RobMeades 0:5cffef3371f6 783 // Don't check return value as this works for LTE only
RobMeades 0:5cffef3371f6 784 }
RobMeades 0:5cffef3371f6 785 }
RobMeades 0:5cffef3371f6 786 }
RobMeades 0:5cffef3371f6 787 // Wait for registration to succeed
RobMeades 0:5cffef3371f6 788 at_set_timeout(1000);
RobMeades 0:5cffef3371f6 789 for (int waitSeconds = 0; !registered && (waitSeconds < 180); waitSeconds++) {
RobMeades 0:5cffef3371f6 790 registered = is_registered_psd() || is_registered_csd() || is_registered_eps();
RobMeades 0:5cffef3371f6 791 _at->recv(UNNATURAL_STRING);
RobMeades 0:5cffef3371f6 792 }
RobMeades 0:5cffef3371f6 793 at_set_timeout(at_timeout);
RobMeades 0:5cffef3371f6 794
RobMeades 0:5cffef3371f6 795 if (registered) {
RobMeades 0:5cffef3371f6 796 // This should return quickly but sometimes the status field is not returned
RobMeades 0:5cffef3371f6 797 // so make the timeout short
RobMeades 0:5cffef3371f6 798 at_set_timeout(1000);
RobMeades 0:5cffef3371f6 799 if (_at->send("AT+COPS?") && _at->recv("+COPS: %*d,%*d,\"%*[^\"]\",%d\n", &status)) {
RobMeades 0:5cffef3371f6 800 set_rat(status);
RobMeades 0:5cffef3371f6 801 }
RobMeades 0:5cffef3371f6 802 at_set_timeout(at_timeout);
RobMeades 0:5cffef3371f6 803 }
RobMeades 0:5cffef3371f6 804 } else {
RobMeades 0:5cffef3371f6 805 registered = true;
RobMeades 0:5cffef3371f6 806 }
RobMeades 0:5cffef3371f6 807
RobMeades 0:5cffef3371f6 808 UNLOCK();
RobMeades 0:5cffef3371f6 809 return registered;
RobMeades 0:5cffef3371f6 810 }
RobMeades 0:5cffef3371f6 811
RobMeades 0:5cffef3371f6 812 bool UbloxCellularBase::is_registered_csd()
RobMeades 0:5cffef3371f6 813 {
RobMeades 0:5cffef3371f6 814 return (_dev_info.reg_status_csd == CSD_REGISTERED) ||
RobMeades 0:5cffef3371f6 815 (_dev_info.reg_status_csd == CSD_REGISTERED_ROAMING) ||
RobMeades 0:5cffef3371f6 816 (_dev_info.reg_status_csd == CSD_CSFB_NOT_PREFERRED);
RobMeades 0:5cffef3371f6 817 }
RobMeades 0:5cffef3371f6 818
RobMeades 0:5cffef3371f6 819 bool UbloxCellularBase::is_registered_psd()
RobMeades 0:5cffef3371f6 820 {
RobMeades 0:5cffef3371f6 821 return (_dev_info.reg_status_psd == PSD_REGISTERED) ||
RobMeades 0:5cffef3371f6 822 (_dev_info.reg_status_psd == PSD_REGISTERED_ROAMING);
RobMeades 0:5cffef3371f6 823 }
RobMeades 0:5cffef3371f6 824
RobMeades 0:5cffef3371f6 825 bool UbloxCellularBase::is_registered_eps()
RobMeades 0:5cffef3371f6 826 {
RobMeades 0:5cffef3371f6 827 return (_dev_info.reg_status_eps == EPS_REGISTERED) ||
RobMeades 0:5cffef3371f6 828 (_dev_info.reg_status_eps == EPS_REGISTERED_ROAMING);
RobMeades 0:5cffef3371f6 829 }
RobMeades 0:5cffef3371f6 830
RobMeades 0:5cffef3371f6 831 // Perform deregistration.
RobMeades 0:5cffef3371f6 832 bool UbloxCellularBase::nwk_deregistration()
RobMeades 0:5cffef3371f6 833 {
RobMeades 0:5cffef3371f6 834 bool success = false;
RobMeades 0:5cffef3371f6 835 LOCK();
RobMeades 0:5cffef3371f6 836
RobMeades 0:5cffef3371f6 837 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 838
RobMeades 0:5cffef3371f6 839 if (_at->send("AT+COPS=2") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 840 _dev_info.reg_status_csd = CSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 841 _dev_info.reg_status_psd = PSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 842 _dev_info.reg_status_eps = EPS_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 843 success = true;
RobMeades 0:5cffef3371f6 844 }
RobMeades 0:5cffef3371f6 845
RobMeades 0:5cffef3371f6 846 UNLOCK();
RobMeades 0:5cffef3371f6 847 return success;
RobMeades 0:5cffef3371f6 848 }
RobMeades 0:5cffef3371f6 849
RobMeades 0:5cffef3371f6 850 // Put the modem into its lowest power state.
RobMeades 0:5cffef3371f6 851 void UbloxCellularBase::deinit()
RobMeades 0:5cffef3371f6 852 {
RobMeades 0:5cffef3371f6 853 power_down();
RobMeades 0:5cffef3371f6 854 _modem_initialised = false;
RobMeades 0:5cffef3371f6 855 }
RobMeades 0:5cffef3371f6 856
RobMeades 0:5cffef3371f6 857 // Set the PIN.
RobMeades 0:5cffef3371f6 858 void UbloxCellularBase::set_pin(const char *pin) {
RobMeades 0:5cffef3371f6 859 _pin = pin;
RobMeades 0:5cffef3371f6 860 }
RobMeades 0:5cffef3371f6 861
RobMeades 0:5cffef3371f6 862 // Enable or disable SIM pin checking.
rob.meades@u-blox.com 4:2e640a101db1 863 bool UbloxCellularBase::sim_pin_check_enable(bool enableNotDisable)
RobMeades 0:5cffef3371f6 864 {
RobMeades 0:5cffef3371f6 865 bool success = false;;
RobMeades 0:5cffef3371f6 866 LOCK();
RobMeades 0:5cffef3371f6 867
RobMeades 0:5cffef3371f6 868 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 869
RobMeades 0:5cffef3371f6 870 if (_pin != NULL) {
RobMeades 0:5cffef3371f6 871 if (_sim_pin_check_enabled && !enableNotDisable) {
RobMeades 0:5cffef3371f6 872 // Disable the SIM lock
RobMeades 0:5cffef3371f6 873 if (_at->send("AT+CLCK=\"SC\",0,\"%s\"", _pin) && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 874 _sim_pin_check_enabled = false;
RobMeades 0:5cffef3371f6 875 success = true;
RobMeades 0:5cffef3371f6 876 }
RobMeades 0:5cffef3371f6 877 } else if (!_sim_pin_check_enabled && enableNotDisable) {
RobMeades 0:5cffef3371f6 878 // Enable the SIM lock
RobMeades 0:5cffef3371f6 879 if (_at->send("AT+CLCK=\"SC\",1,\"%s\"", _pin) && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 880 _sim_pin_check_enabled = true;
RobMeades 0:5cffef3371f6 881 success = true;
RobMeades 0:5cffef3371f6 882 }
RobMeades 0:5cffef3371f6 883 } else {
RobMeades 0:5cffef3371f6 884 success = true;
RobMeades 0:5cffef3371f6 885 }
RobMeades 0:5cffef3371f6 886 }
RobMeades 0:5cffef3371f6 887
RobMeades 0:5cffef3371f6 888 UNLOCK();
RobMeades 0:5cffef3371f6 889 return success;
RobMeades 0:5cffef3371f6 890 }
RobMeades 0:5cffef3371f6 891
RobMeades 0:5cffef3371f6 892 // Change the pin code for the SIM card.
RobMeades 0:5cffef3371f6 893 bool UbloxCellularBase::change_sim_pin(const char *pin)
RobMeades 0:5cffef3371f6 894 {
RobMeades 0:5cffef3371f6 895 bool success = false;;
RobMeades 0:5cffef3371f6 896 LOCK();
RobMeades 0:5cffef3371f6 897
RobMeades 0:5cffef3371f6 898 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 899
RobMeades 0:5cffef3371f6 900 // Change the SIM pin
RobMeades 0:5cffef3371f6 901 if ((pin != NULL) && (_pin != NULL)) {
RobMeades 0:5cffef3371f6 902 if (_at->send("AT+CPWD=\"SC\",\"%s\",\"%s\"", _pin, pin) && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 903 _pin = pin;
RobMeades 0:5cffef3371f6 904 success = true;
RobMeades 0:5cffef3371f6 905 }
RobMeades 0:5cffef3371f6 906 }
RobMeades 0:5cffef3371f6 907
RobMeades 0:5cffef3371f6 908 UNLOCK();
RobMeades 0:5cffef3371f6 909 return success;
RobMeades 0:5cffef3371f6 910 }
RobMeades 0:5cffef3371f6 911
RobMeades 0:5cffef3371f6 912 // End of File
RobMeades 0:5cffef3371f6 913