Wajahat Abbas / ublox-cellular-base_upsv

upsv

UbloxCellularBase.cpp@16:afb3ca2d9915, 2018-07-24 (annotated)

Committer:
wajahat.abbas@u-blox.com
Date:
Tue Jul 24 11:59:48 2018 +0500
Branch:
R4_powerup_fix
Revision:
16:afb3ca2d9915
Parent:
15:93b157a47b8d
Child:
19:15f31e074d67
Fixed power up issue for SARA-R4

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 14:e420232ee4e7 30 /* Array to convert the 3G qual number into a median EC_NO_LEV number.
RobMeades 14:e420232ee4e7 31 */
RobMeades 14:e420232ee4e7 32 /* 0 1 2 3 4 5 6 7 */
fahim.alavi@u-blox.com 15:93b157a47b8d 33 /* 44, 41, 35, 29, 23, 17, 11, 7*/
fahim.alavi@u-blox.com 15:93b157a47b8d 34 const int qualConvert3G[] = {-2, -4, -7, -10, -13, -16, -19, -21};
RobMeades 14:e420232ee4e7 35
RobMeades 14:e420232ee4e7 36 /* Array to convert the 3G "rssi" number into a dBm RSCP value rounded up to the
RobMeades 14:e420232ee4e7 37 * nearest whole number.
RobMeades 14:e420232ee4e7 38 */
RobMeades 14:e420232ee4e7 39 const int rscpConvert3G[] = {-108, -105, -103, -100, -98, -96, -94, -93, /* 0 - 7 */
RobMeades 14:e420232ee4e7 40 -91, -89, -88, -85, -83, -80, -78, -76, /* 8 - 15 */
RobMeades 14:e420232ee4e7 41 -74, -73, -70, -68, -66, -64, -63, -60, /* 16 - 23 */
RobMeades 14:e420232ee4e7 42 -58, -56, -54, -53, -51, -49, -48, -46}; /* 24 - 31 */
RobMeades 14:e420232ee4e7 43
RobMeades 14:e420232ee4e7 44 /* Array to convert the LTE rssi number into a dBm value rounded up to the
RobMeades 14:e420232ee4e7 45 * nearest whole number.
RobMeades 14:e420232ee4e7 46 */
RobMeades 14:e420232ee4e7 47 const int rssiConvertLte[] = {-118, -115, -113, -110, -108, -105, -103, -100, /* 0 - 7 */
RobMeades 14:e420232ee4e7 48 -98, -95, -93, -90, -88, -85, -83, -80, /* 8 - 15 */
RobMeades 14:e420232ee4e7 49 -78, -76, -74, -73, -71, -69, -68, -65, /* 16 - 23 */
RobMeades 14:e420232ee4e7 50 -63, -61, -60, -59, -58, -55, -53, -48}; /* 24 - 31 */
RobMeades 14:e420232ee4e7 51
RobMeades 0:5cffef3371f6 52 /**********************************************************************
RobMeades 0:5cffef3371f6 53 * PRIVATE METHODS
RobMeades 0:5cffef3371f6 54 **********************************************************************/
RobMeades 0:5cffef3371f6 55
RobMeades 0:5cffef3371f6 56 void UbloxCellularBase::set_nwk_reg_status_csd(int status)
RobMeades 0:5cffef3371f6 57 {
RobMeades 0:5cffef3371f6 58 switch (status) {
RobMeades 0:5cffef3371f6 59 case CSD_NOT_REGISTERED_NOT_SEARCHING:
RobMeades 0:5cffef3371f6 60 case CSD_NOT_REGISTERED_SEARCHING:
RobMeades 0:5cffef3371f6 61 tr_info("Not (yet) registered for circuit switched service");
RobMeades 0:5cffef3371f6 62 break;
RobMeades 0:5cffef3371f6 63 case CSD_REGISTERED:
RobMeades 0:5cffef3371f6 64 case CSD_REGISTERED_ROAMING:
RobMeades 0:5cffef3371f6 65 tr_info("Registered for circuit switched service");
RobMeades 0:5cffef3371f6 66 break;
RobMeades 0:5cffef3371f6 67 case CSD_REGISTRATION_DENIED:
RobMeades 0:5cffef3371f6 68 tr_info("Circuit switched service denied");
RobMeades 0:5cffef3371f6 69 break;
RobMeades 0:5cffef3371f6 70 case CSD_UNKNOWN_COVERAGE:
RobMeades 0:5cffef3371f6 71 tr_info("Out of circuit switched service coverage");
RobMeades 0:5cffef3371f6 72 break;
RobMeades 0:5cffef3371f6 73 case CSD_SMS_ONLY:
RobMeades 0:5cffef3371f6 74 tr_info("SMS service only");
RobMeades 0:5cffef3371f6 75 break;
RobMeades 0:5cffef3371f6 76 case CSD_SMS_ONLY_ROAMING:
RobMeades 0:5cffef3371f6 77 tr_info("SMS service only");
RobMeades 0:5cffef3371f6 78 break;
RobMeades 0:5cffef3371f6 79 case CSD_CSFB_NOT_PREFERRED:
RobMeades 0:5cffef3371f6 80 tr_info("Registered for circuit switched service with CSFB not preferred");
RobMeades 0:5cffef3371f6 81 break;
RobMeades 0:5cffef3371f6 82 default:
RobMeades 0:5cffef3371f6 83 tr_info("Unknown circuit switched service registration status. %d", status);
RobMeades 0:5cffef3371f6 84 break;
RobMeades 0:5cffef3371f6 85 }
RobMeades 0:5cffef3371f6 86
RobMeades 0:5cffef3371f6 87 _dev_info.reg_status_csd = static_cast<NetworkRegistrationStatusCsd>(status);
RobMeades 0:5cffef3371f6 88 }
RobMeades 0:5cffef3371f6 89
RobMeades 0:5cffef3371f6 90 void UbloxCellularBase::set_nwk_reg_status_psd(int status)
RobMeades 0:5cffef3371f6 91 {
RobMeades 0:5cffef3371f6 92 switch (status) {
RobMeades 0:5cffef3371f6 93 case PSD_NOT_REGISTERED_NOT_SEARCHING:
RobMeades 0:5cffef3371f6 94 case PSD_NOT_REGISTERED_SEARCHING:
RobMeades 0:5cffef3371f6 95 tr_info("Not (yet) registered for packet switched service");
RobMeades 0:5cffef3371f6 96 break;
RobMeades 0:5cffef3371f6 97 case PSD_REGISTERED:
RobMeades 0:5cffef3371f6 98 case PSD_REGISTERED_ROAMING:
RobMeades 0:5cffef3371f6 99 tr_info("Registered for packet switched service");
RobMeades 0:5cffef3371f6 100 break;
RobMeades 0:5cffef3371f6 101 case PSD_REGISTRATION_DENIED:
RobMeades 0:5cffef3371f6 102 tr_info("Packet switched service denied");
RobMeades 0:5cffef3371f6 103 break;
RobMeades 0:5cffef3371f6 104 case PSD_UNKNOWN_COVERAGE:
RobMeades 0:5cffef3371f6 105 tr_info("Out of packet switched service coverage");
RobMeades 0:5cffef3371f6 106 break;
RobMeades 0:5cffef3371f6 107 case PSD_EMERGENCY_SERVICES_ONLY:
RobMeades 0:5cffef3371f6 108 tr_info("Limited access for packet switched service. Emergency use only.");
RobMeades 0:5cffef3371f6 109 break;
RobMeades 0:5cffef3371f6 110 default:
RobMeades 0:5cffef3371f6 111 tr_info("Unknown packet switched service registration status. %d", status);
RobMeades 0:5cffef3371f6 112 break;
RobMeades 0:5cffef3371f6 113 }
RobMeades 0:5cffef3371f6 114
RobMeades 0:5cffef3371f6 115 _dev_info.reg_status_psd = static_cast<NetworkRegistrationStatusPsd>(status);
RobMeades 0:5cffef3371f6 116 }
RobMeades 0:5cffef3371f6 117
RobMeades 0:5cffef3371f6 118 void UbloxCellularBase::set_nwk_reg_status_eps(int status)
RobMeades 0:5cffef3371f6 119 {
RobMeades 0:5cffef3371f6 120 switch (status) {
RobMeades 0:5cffef3371f6 121 case EPS_NOT_REGISTERED_NOT_SEARCHING:
RobMeades 0:5cffef3371f6 122 case EPS_NOT_REGISTERED_SEARCHING:
RobMeades 0:5cffef3371f6 123 tr_info("Not (yet) registered for EPS service");
RobMeades 0:5cffef3371f6 124 break;
RobMeades 0:5cffef3371f6 125 case EPS_REGISTERED:
RobMeades 0:5cffef3371f6 126 case EPS_REGISTERED_ROAMING:
RobMeades 0:5cffef3371f6 127 tr_info("Registered for EPS service");
RobMeades 0:5cffef3371f6 128 break;
RobMeades 0:5cffef3371f6 129 case EPS_REGISTRATION_DENIED:
RobMeades 0:5cffef3371f6 130 tr_info("EPS service denied");
RobMeades 0:5cffef3371f6 131 break;
RobMeades 0:5cffef3371f6 132 case EPS_UNKNOWN_COVERAGE:
RobMeades 0:5cffef3371f6 133 tr_info("Out of EPS service coverage");
RobMeades 0:5cffef3371f6 134 break;
RobMeades 0:5cffef3371f6 135 case EPS_EMERGENCY_SERVICES_ONLY:
RobMeades 0:5cffef3371f6 136 tr_info("Limited access for EPS service. Emergency use only.");
RobMeades 0:5cffef3371f6 137 break;
RobMeades 0:5cffef3371f6 138 default:
RobMeades 0:5cffef3371f6 139 tr_info("Unknown EPS service registration status. %d", status);
RobMeades 0:5cffef3371f6 140 break;
RobMeades 0:5cffef3371f6 141 }
RobMeades 0:5cffef3371f6 142
RobMeades 0:5cffef3371f6 143 _dev_info.reg_status_eps = static_cast<NetworkRegistrationStatusEps>(status);
RobMeades 0:5cffef3371f6 144 }
RobMeades 0:5cffef3371f6 145
RobMeades 14:e420232ee4e7 146 void UbloxCellularBase::set_rat(int acTStatus)
RobMeades 0:5cffef3371f6 147 {
RobMeades 14:e420232ee4e7 148 switch (acTStatus) {
RobMeades 0:5cffef3371f6 149 case GSM:
RobMeades 0:5cffef3371f6 150 case COMPACT_GSM:
RobMeades 0:5cffef3371f6 151 tr_info("Connected in GSM");
RobMeades 0:5cffef3371f6 152 break;
RobMeades 0:5cffef3371f6 153 case UTRAN:
RobMeades 0:5cffef3371f6 154 tr_info("Connected to UTRAN");
RobMeades 0:5cffef3371f6 155 break;
RobMeades 0:5cffef3371f6 156 case EDGE:
RobMeades 0:5cffef3371f6 157 tr_info("Connected to EDGE");
RobMeades 0:5cffef3371f6 158 break;
RobMeades 0:5cffef3371f6 159 case HSDPA:
RobMeades 0:5cffef3371f6 160 tr_info("Connected to HSDPA");
RobMeades 0:5cffef3371f6 161 break;
RobMeades 0:5cffef3371f6 162 case HSUPA:
RobMeades 0:5cffef3371f6 163 tr_info("Connected to HSPA");
RobMeades 0:5cffef3371f6 164 break;
RobMeades 0:5cffef3371f6 165 case HSDPA_HSUPA:
RobMeades 0:5cffef3371f6 166 tr_info("Connected to HDPA/HSPA");
RobMeades 0:5cffef3371f6 167 break;
RobMeades 0:5cffef3371f6 168 case LTE:
RobMeades 0:5cffef3371f6 169 tr_info("Connected to LTE");
RobMeades 0:5cffef3371f6 170 break;
fahimalavi 10:c4281fa79b8f 171 case EC_GSM_IoT:
fahimalavi 10:c4281fa79b8f 172 tr_info("Connected to EC_GSM_IoT");
fahimalavi 10:c4281fa79b8f 173 break;
fahimalavi 10:c4281fa79b8f 174 case E_UTRAN_NB_S1:
fahimalavi 10:c4281fa79b8f 175 tr_info("Connected to E_UTRAN NB1");
fahimalavi 10:c4281fa79b8f 176 break;
RobMeades 0:5cffef3371f6 177 default:
RobMeades 14:e420232ee4e7 178 tr_info("Unknown RAT %d", acTStatus);
RobMeades 0:5cffef3371f6 179 break;
RobMeades 0:5cffef3371f6 180 }
RobMeades 0:5cffef3371f6 181
RobMeades 14:e420232ee4e7 182 _dev_info.rat = static_cast<RadioAccessNetworkType>(acTStatus);
RobMeades 0:5cffef3371f6 183 }
RobMeades 0:5cffef3371f6 184
RobMeades 0:5cffef3371f6 185 bool UbloxCellularBase::get_iccid()
RobMeades 0:5cffef3371f6 186 {
RobMeades 0:5cffef3371f6 187 bool success;
RobMeades 0:5cffef3371f6 188 LOCK();
RobMeades 0:5cffef3371f6 189
RobMeades 0:5cffef3371f6 190 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 191
RobMeades 0:5cffef3371f6 192 // Returns the ICCID (Integrated Circuit Card ID) of the SIM-card.
RobMeades 0:5cffef3371f6 193 // ICCID is a serial number identifying the SIM.
RobMeades 0:5cffef3371f6 194 // AT Command Manual UBX-13002752, section 4.12
RobMeades 0:5cffef3371f6 195 success = _at->send("AT+CCID") && _at->recv("+CCID: %20[^\n]\nOK\n", _dev_info.iccid);
RobMeades 0:5cffef3371f6 196 tr_info("DevInfo: ICCID=%s", _dev_info.iccid);
RobMeades 0:5cffef3371f6 197
RobMeades 0:5cffef3371f6 198 UNLOCK();
RobMeades 0:5cffef3371f6 199 return success;
RobMeades 0:5cffef3371f6 200 }
RobMeades 0:5cffef3371f6 201
RobMeades 0:5cffef3371f6 202 bool UbloxCellularBase::get_imsi()
RobMeades 0:5cffef3371f6 203 {
RobMeades 0:5cffef3371f6 204 bool success;
RobMeades 0:5cffef3371f6 205 LOCK();
RobMeades 0:5cffef3371f6 206
RobMeades 0:5cffef3371f6 207 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 208
RobMeades 0:5cffef3371f6 209 // International mobile subscriber identification
RobMeades 0:5cffef3371f6 210 // AT Command Manual UBX-13002752, section 4.11
RobMeades 0:5cffef3371f6 211 success = _at->send("AT+CIMI") && _at->recv("%15[^\n]\nOK\n", _dev_info.imsi);
RobMeades 0:5cffef3371f6 212 tr_info("DevInfo: IMSI=%s", _dev_info.imsi);
RobMeades 0:5cffef3371f6 213
RobMeades 0:5cffef3371f6 214 UNLOCK();
RobMeades 0:5cffef3371f6 215 return success;
RobMeades 0:5cffef3371f6 216 }
RobMeades 0:5cffef3371f6 217
RobMeades 0:5cffef3371f6 218 bool UbloxCellularBase::get_imei()
RobMeades 0:5cffef3371f6 219 {
RobMeades 0:5cffef3371f6 220 bool success;
RobMeades 0:5cffef3371f6 221 LOCK();
RobMeades 0:5cffef3371f6 222
RobMeades 0:5cffef3371f6 223 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 224
RobMeades 0:5cffef3371f6 225 // International mobile equipment identifier
RobMeades 0:5cffef3371f6 226 // AT Command Manual UBX-13002752, section 4.7
RobMeades 0:5cffef3371f6 227 success = _at->send("AT+CGSN") && _at->recv("%15[^\n]\nOK\n", _dev_info.imei);
RobMeades 0:5cffef3371f6 228 tr_info("DevInfo: IMEI=%s", _dev_info.imei);
RobMeades 0:5cffef3371f6 229
RobMeades 0:5cffef3371f6 230 UNLOCK();
RobMeades 0:5cffef3371f6 231 return success;
RobMeades 0:5cffef3371f6 232 }
RobMeades 0:5cffef3371f6 233
RobMeades 0:5cffef3371f6 234 bool UbloxCellularBase::get_meid()
RobMeades 0:5cffef3371f6 235 {
RobMeades 0:5cffef3371f6 236 bool success;
RobMeades 0:5cffef3371f6 237 LOCK();
RobMeades 0:5cffef3371f6 238
RobMeades 0:5cffef3371f6 239 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 240
RobMeades 0:5cffef3371f6 241 // Mobile equipment identifier
RobMeades 0:5cffef3371f6 242 // AT Command Manual UBX-13002752, section 4.8
RobMeades 0:5cffef3371f6 243 success = _at->send("AT+GSN") && _at->recv("%18[^\n]\nOK\n", _dev_info.meid);
RobMeades 0:5cffef3371f6 244 tr_info("DevInfo: MEID=%s", _dev_info.meid);
RobMeades 0:5cffef3371f6 245
RobMeades 0:5cffef3371f6 246 UNLOCK();
RobMeades 0:5cffef3371f6 247 return success;
RobMeades 0:5cffef3371f6 248 }
RobMeades 0:5cffef3371f6 249
RobMeades 0:5cffef3371f6 250 bool UbloxCellularBase::set_sms()
RobMeades 0:5cffef3371f6 251 {
RobMeades 0:5cffef3371f6 252 bool success = false;
RobMeades 0:5cffef3371f6 253 char buf[32];
RobMeades 0:5cffef3371f6 254 LOCK();
RobMeades 0:5cffef3371f6 255
RobMeades 0:5cffef3371f6 256 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 257
RobMeades 0:5cffef3371f6 258 // Set up SMS format and enable URC
RobMeades 0:5cffef3371f6 259 // AT Command Manual UBX-13002752, section 11
RobMeades 0:5cffef3371f6 260 if (_at->send("AT+CMGF=1") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 261 tr_debug("SMS in text mode");
RobMeades 0:5cffef3371f6 262 if (_at->send("AT+CNMI=2,1") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 263 tr_debug("SMS URC enabled");
RobMeades 0:5cffef3371f6 264 // Set to CS preferred since PS preferred doesn't work
RobMeades 0:5cffef3371f6 265 // on some networks
RobMeades 0:5cffef3371f6 266 if (_at->send("AT+CGSMS=1") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 267 tr_debug("SMS set to CS preferred");
RobMeades 0:5cffef3371f6 268 success = true;
RobMeades 0:5cffef3371f6 269 memset (buf, 0, sizeof (buf));
RobMeades 0:5cffef3371f6 270 if (_at->send("AT+CSCA?") &&
RobMeades 0:5cffef3371f6 271 _at->recv("+CSCA: \"%31[^\"]\"", buf) &&
RobMeades 0:5cffef3371f6 272 _at->recv("OK")) {
RobMeades 0:5cffef3371f6 273 tr_info("SMS Service Centre address is \"%s\"", buf);
RobMeades 0:5cffef3371f6 274 }
RobMeades 0:5cffef3371f6 275 }
RobMeades 0:5cffef3371f6 276 }
RobMeades 0:5cffef3371f6 277 }
RobMeades 0:5cffef3371f6 278
RobMeades 0:5cffef3371f6 279 UNLOCK();
RobMeades 0:5cffef3371f6 280 return success;
RobMeades 0:5cffef3371f6 281 }
RobMeades 0:5cffef3371f6 282
RobMeades 0:5cffef3371f6 283 void UbloxCellularBase::parser_abort_cb()
RobMeades 0:5cffef3371f6 284 {
RobMeades 0:5cffef3371f6 285 _at->abort();
RobMeades 0:5cffef3371f6 286 }
RobMeades 0:5cffef3371f6 287
RobMeades 0:5cffef3371f6 288 // Callback for CME ERROR and CMS ERROR.
RobMeades 0:5cffef3371f6 289 void UbloxCellularBase::CMX_ERROR_URC()
RobMeades 0:5cffef3371f6 290 {
RobMeades 0:5cffef3371f6 291 char buf[48];
RobMeades 0:5cffef3371f6 292
RobMeades 0:5cffef3371f6 293 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 0:5cffef3371f6 294 tr_debug("AT error %s", buf);
RobMeades 0:5cffef3371f6 295 }
RobMeades 0:5cffef3371f6 296 parser_abort_cb();
RobMeades 0:5cffef3371f6 297 }
RobMeades 0:5cffef3371f6 298
RobMeades 0:5cffef3371f6 299 // Callback for circuit switched registration URC.
RobMeades 0:5cffef3371f6 300 void UbloxCellularBase::CREG_URC()
RobMeades 0:5cffef3371f6 301 {
RobMeades 0:5cffef3371f6 302 char buf[10];
RobMeades 0:5cffef3371f6 303 int status;
RobMeades 14:e420232ee4e7 304 int acTStatus;
RobMeades 0:5cffef3371f6 305
RobMeades 0:5cffef3371f6 306 // If this is the URC it will be a single
RobMeades 0:5cffef3371f6 307 // digit followed by \n. If it is the
RobMeades 0:5cffef3371f6 308 // answer to a CREG query, it will be
RobMeades 0:5cffef3371f6 309 // a ": %d,%d\n" where the second digit
RobMeades 0:5cffef3371f6 310 // indicates the status
RobMeades 0:5cffef3371f6 311 // Note: not calling _at->recv() from here as we're
RobMeades 0:5cffef3371f6 312 // already in an _at->recv()
RobMeades 0:5cffef3371f6 313 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 14:e420232ee4e7 314 if (sscanf(buf, ": %*d,%d,%*d,%*d,%d,", &status, &acTStatus) == 2) {
RobMeades 14:e420232ee4e7 315 set_nwk_reg_status_csd(status);
RobMeades 14:e420232ee4e7 316 set_rat(acTStatus);
RobMeades 14:e420232ee4e7 317 } else if (sscanf(buf, ": %*d,%d", &status) == 1) {
RobMeades 0:5cffef3371f6 318 set_nwk_reg_status_csd(status);
RobMeades 0:5cffef3371f6 319 } else if (sscanf(buf, ": %d", &status) == 1) {
RobMeades 0:5cffef3371f6 320 set_nwk_reg_status_csd(status);
RobMeades 0:5cffef3371f6 321 }
RobMeades 0:5cffef3371f6 322 }
RobMeades 0:5cffef3371f6 323 }
RobMeades 0:5cffef3371f6 324
RobMeades 0:5cffef3371f6 325 // Callback for packet switched registration URC.
RobMeades 0:5cffef3371f6 326 void UbloxCellularBase::CGREG_URC()
RobMeades 0:5cffef3371f6 327 {
RobMeades 0:5cffef3371f6 328 char buf[10];
RobMeades 0:5cffef3371f6 329 int status;
RobMeades 14:e420232ee4e7 330 int acTStatus;
RobMeades 0:5cffef3371f6 331
RobMeades 0:5cffef3371f6 332 // If this is the URC it will be a single
RobMeades 0:5cffef3371f6 333 // digit followed by \n. If it is the
RobMeades 0:5cffef3371f6 334 // answer to a CGREG query, it will be
RobMeades 0:5cffef3371f6 335 // a ": %d,%d\n" where the second digit
RobMeades 0:5cffef3371f6 336 // indicates the status
RobMeades 0:5cffef3371f6 337 // Note: not calling _at->recv() from here as we're
RobMeades 0:5cffef3371f6 338 // already in an _at->recv()
RobMeades 0:5cffef3371f6 339 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 14:e420232ee4e7 340 if (sscanf(buf, ": %*d,%d,%*d,%*d,%d,", &status, &acTStatus) == 2) {
RobMeades 14:e420232ee4e7 341 set_nwk_reg_status_csd(status);
RobMeades 14:e420232ee4e7 342 set_rat(acTStatus);
RobMeades 14:e420232ee4e7 343 } else if (sscanf(buf, ": %*d,%d", &status) == 1) {
RobMeades 0:5cffef3371f6 344 set_nwk_reg_status_psd(status);
RobMeades 0:5cffef3371f6 345 } else if (sscanf(buf, ": %d", &status) == 1) {
RobMeades 0:5cffef3371f6 346 set_nwk_reg_status_psd(status);
RobMeades 0:5cffef3371f6 347 }
RobMeades 0:5cffef3371f6 348 }
RobMeades 0:5cffef3371f6 349 }
RobMeades 0:5cffef3371f6 350
RobMeades 0:5cffef3371f6 351 // Callback for EPS registration URC.
RobMeades 0:5cffef3371f6 352 void UbloxCellularBase::CEREG_URC()
RobMeades 0:5cffef3371f6 353 {
RobMeades 0:5cffef3371f6 354 char buf[10];
RobMeades 0:5cffef3371f6 355 int status;
RobMeades 14:e420232ee4e7 356 int acTStatus;
RobMeades 0:5cffef3371f6 357
RobMeades 0:5cffef3371f6 358 // If this is the URC it will be a single
RobMeades 0:5cffef3371f6 359 // digit followed by \n. If it is the
RobMeades 0:5cffef3371f6 360 // answer to a CEREG query, it will be
RobMeades 0:5cffef3371f6 361 // a ": %d,%d\n" where the second digit
RobMeades 0:5cffef3371f6 362 // indicates the status
RobMeades 0:5cffef3371f6 363 // Note: not calling _at->recv() from here as we're
RobMeades 0:5cffef3371f6 364 // already in an _at->recv()
RobMeades 0:5cffef3371f6 365 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 14:e420232ee4e7 366 if (sscanf(buf, ": %*d,%d,%*d,%*d,%d,", &status, &acTStatus) == 2) {
RobMeades 14:e420232ee4e7 367 set_nwk_reg_status_csd(status);
RobMeades 14:e420232ee4e7 368 set_rat(acTStatus);
RobMeades 14:e420232ee4e7 369 } else if (sscanf(buf, ": %*d,%d", &status) == 1) {
RobMeades 0:5cffef3371f6 370 set_nwk_reg_status_eps(status);
RobMeades 0:5cffef3371f6 371 } else if (sscanf(buf, ": %d", &status) == 1) {
RobMeades 0:5cffef3371f6 372 set_nwk_reg_status_eps(status);
RobMeades 0:5cffef3371f6 373 }
RobMeades 0:5cffef3371f6 374 }
RobMeades 0:5cffef3371f6 375 }
RobMeades 0:5cffef3371f6 376
RobMeades 0:5cffef3371f6 377 // Callback UMWI, just filtering it out.
RobMeades 0:5cffef3371f6 378 void UbloxCellularBase::UMWI_URC()
RobMeades 0:5cffef3371f6 379 {
RobMeades 0:5cffef3371f6 380 char buf[10];
RobMeades 0:5cffef3371f6 381
RobMeades 0:5cffef3371f6 382 // Note: not calling _at->recv() from here as we're
RobMeades 0:5cffef3371f6 383 // already in an _at->recv()
RobMeades 0:5cffef3371f6 384 read_at_to_char(buf, sizeof (buf), '\n');
RobMeades 0:5cffef3371f6 385 }
RobMeades 0:5cffef3371f6 386
RobMeades 0:5cffef3371f6 387 /**********************************************************************
RobMeades 0:5cffef3371f6 388 * PROTECTED METHODS
RobMeades 0:5cffef3371f6 389 **********************************************************************/
RobMeades 0:5cffef3371f6 390
RobMeades 0:5cffef3371f6 391 #if MODEM_ON_BOARD
RobMeades 0:5cffef3371f6 392 void UbloxCellularBase::modem_init()
RobMeades 0:5cffef3371f6 393 {
RobMeades 0:5cffef3371f6 394 ::onboard_modem_init();
RobMeades 0:5cffef3371f6 395 }
RobMeades 0:5cffef3371f6 396
RobMeades 0:5cffef3371f6 397 void UbloxCellularBase::modem_deinit()
RobMeades 0:5cffef3371f6 398 {
RobMeades 0:5cffef3371f6 399 ::onboard_modem_deinit();
RobMeades 0:5cffef3371f6 400 }
RobMeades 0:5cffef3371f6 401
RobMeades 0:5cffef3371f6 402 void UbloxCellularBase::modem_power_up()
RobMeades 0:5cffef3371f6 403 {
RobMeades 0:5cffef3371f6 404 ::onboard_modem_power_up();
RobMeades 0:5cffef3371f6 405 }
RobMeades 0:5cffef3371f6 406
RobMeades 0:5cffef3371f6 407 void UbloxCellularBase::modem_power_down()
RobMeades 0:5cffef3371f6 408 {
RobMeades 0:5cffef3371f6 409 ::onboard_modem_power_down();
RobMeades 0:5cffef3371f6 410 }
RobMeades 0:5cffef3371f6 411 #else
RobMeades 0:5cffef3371f6 412 void UbloxCellularBase::modem_init()
RobMeades 0:5cffef3371f6 413 {
RobMeades 0:5cffef3371f6 414 // Meant to be overridden
RobMeades 0:5cffef3371f6 415 }
RobMeades 0:5cffef3371f6 416
RobMeades 0:5cffef3371f6 417 void UbloxCellularBase::modem_deinit()
RobMeades 0:5cffef3371f6 418 {
RobMeades 0:5cffef3371f6 419 // Meant to be overridden
RobMeades 0:5cffef3371f6 420 }
RobMeades 0:5cffef3371f6 421
RobMeades 0:5cffef3371f6 422 void UbloxCellularBase::modem_power_up()
RobMeades 0:5cffef3371f6 423 {
RobMeades 0:5cffef3371f6 424 // Meant to be overridden
RobMeades 0:5cffef3371f6 425 }
RobMeades 0:5cffef3371f6 426
RobMeades 0:5cffef3371f6 427 void UbloxCellularBase::modem_power_down()
RobMeades 0:5cffef3371f6 428 {
RobMeades 0:5cffef3371f6 429 // Mmeant to be overridden
RobMeades 0:5cffef3371f6 430 }
RobMeades 0:5cffef3371f6 431 #endif
RobMeades 0:5cffef3371f6 432
RobMeades 0:5cffef3371f6 433 // Constructor.
RobMeades 0:5cffef3371f6 434 // Note: to allow this base class to be inherited as a virtual base class
RobMeades 0:5cffef3371f6 435 // by everyone, it takes no parameters. See also comment above classInit()
RobMeades 0:5cffef3371f6 436 // in the header file.
RobMeades 0:5cffef3371f6 437 UbloxCellularBase::UbloxCellularBase()
RobMeades 0:5cffef3371f6 438 {
RobMeades 0:5cffef3371f6 439 _pin = NULL;
RobMeades 0:5cffef3371f6 440 _at = NULL;
RobMeades 0:5cffef3371f6 441 _at_timeout = AT_PARSER_TIMEOUT;
RobMeades 0:5cffef3371f6 442 _fh = NULL;
RobMeades 0:5cffef3371f6 443 _modem_initialised = false;
RobMeades 0:5cffef3371f6 444 _sim_pin_check_enabled = false;
RobMeades 0:5cffef3371f6 445 _debug_trace_on = false;
RobMeades 0:5cffef3371f6 446
RobMeades 0:5cffef3371f6 447 _dev_info.dev = DEV_TYPE_NONE;
RobMeades 0:5cffef3371f6 448 _dev_info.reg_status_csd = CSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 449 _dev_info.reg_status_psd = PSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 450 _dev_info.reg_status_eps = EPS_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 451 }
RobMeades 0:5cffef3371f6 452
RobMeades 0:5cffef3371f6 453 // Destructor.
RobMeades 0:5cffef3371f6 454 UbloxCellularBase::~UbloxCellularBase()
RobMeades 0:5cffef3371f6 455 {
RobMeades 0:5cffef3371f6 456 deinit();
RobMeades 0:5cffef3371f6 457 delete _at;
RobMeades 0:5cffef3371f6 458 delete _fh;
RobMeades 0:5cffef3371f6 459 }
RobMeades 0:5cffef3371f6 460
RobMeades 0:5cffef3371f6 461 // Initialise the portions of this class that are parameterised.
RobMeades 0:5cffef3371f6 462 void UbloxCellularBase::baseClassInit(PinName tx, PinName rx,
RobMeades 0:5cffef3371f6 463 int baud, bool debug_on)
RobMeades 0:5cffef3371f6 464 {
RobMeades 0:5cffef3371f6 465 // Only initialise ourselves if it's not already been done
RobMeades 0:5cffef3371f6 466 if (_at == NULL) {
RobMeades 0:5cffef3371f6 467 if (_debug_trace_on == false) {
RobMeades 0:5cffef3371f6 468 _debug_trace_on = debug_on;
RobMeades 0:5cffef3371f6 469 }
rob.meades@u-blox.com 4:2e640a101db1 470 _baud = baud;
RobMeades 0:5cffef3371f6 471
RobMeades 0:5cffef3371f6 472 // Set up File Handle for buffered serial comms with cellular module
RobMeades 0:5cffef3371f6 473 // (which will be used by the AT parser)
rob.meades@u-blox.com 4:2e640a101db1 474 // Note: the UART is initialised to run no faster than 115200 because
rob.meades@u-blox.com 4:2e640a101db1 475 // the modems cannot reliably auto-baud at faster rates. The faster
rob.meades@u-blox.com 4:2e640a101db1 476 // rate is adopted later with a specific AT command and the
rob.meades@u-blox.com 4:2e640a101db1 477 // UARTSerial rate is adjusted at that time
rob.meades@u-blox.com 4:2e640a101db1 478 if (baud > 115200) {
rob.meades@u-blox.com 4:2e640a101db1 479 baud = 115200;
rob.meades@u-blox.com 4:2e640a101db1 480 }
RobMeades 0:5cffef3371f6 481 _fh = new UARTSerial(tx, rx, baud);
RobMeades 0:5cffef3371f6 482
RobMeades 0:5cffef3371f6 483 // Set up the AT parser
RobMeades 0:5cffef3371f6 484 _at = new ATCmdParser(_fh, OUTPUT_ENTER_KEY, AT_PARSER_BUFFER_SIZE,
rob.meades@u-blox.com 3:f9b2cd6f72b1 485 _at_timeout, _debug_trace_on);
RobMeades 0:5cffef3371f6 486
RobMeades 0:5cffef3371f6 487 // Error cases, out of band handling
RobMeades 0:5cffef3371f6 488 _at->oob("ERROR", callback(this, &UbloxCellularBase::parser_abort_cb));
RobMeades 0:5cffef3371f6 489 _at->oob("+CME ERROR", callback(this, &UbloxCellularBase::CMX_ERROR_URC));
RobMeades 0:5cffef3371f6 490 _at->oob("+CMS ERROR", callback(this, &UbloxCellularBase::CMX_ERROR_URC));
RobMeades 0:5cffef3371f6 491
RobMeades 0:5cffef3371f6 492 // Registration status, out of band handling
RobMeades 0:5cffef3371f6 493 _at->oob("+CREG", callback(this, &UbloxCellularBase::CREG_URC));
RobMeades 0:5cffef3371f6 494 _at->oob("+CGREG", callback(this, &UbloxCellularBase::CGREG_URC));
RobMeades 0:5cffef3371f6 495 _at->oob("+CEREG", callback(this, &UbloxCellularBase::CEREG_URC));
RobMeades 0:5cffef3371f6 496
RobMeades 0:5cffef3371f6 497 // Capture the UMWI, just to stop it getting in the way
RobMeades 0:5cffef3371f6 498 _at->oob("+UMWI", callback(this, &UbloxCellularBase::UMWI_URC));
RobMeades 0:5cffef3371f6 499 }
RobMeades 0:5cffef3371f6 500 }
RobMeades 0:5cffef3371f6 501
RobMeades 0:5cffef3371f6 502 // Set the AT parser timeout.
RobMeades 0:5cffef3371f6 503 // Note: the AT interface should be locked before this is called.
RobMeades 0:5cffef3371f6 504 void UbloxCellularBase::at_set_timeout(int timeout) {
RobMeades 0:5cffef3371f6 505
RobMeades 0:5cffef3371f6 506 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 507
RobMeades 0:5cffef3371f6 508 _at_timeout = timeout;
RobMeades 0:5cffef3371f6 509 _at->set_timeout(timeout);
RobMeades 0:5cffef3371f6 510 }
RobMeades 0:5cffef3371f6 511
RobMeades 0:5cffef3371f6 512 // Read up to size bytes from the AT interface up to a "end".
RobMeades 0:5cffef3371f6 513 // Note: the AT interface should be locked before this is called.
RobMeades 0:5cffef3371f6 514 int UbloxCellularBase::read_at_to_char(char * buf, int size, char end)
RobMeades 0:5cffef3371f6 515 {
RobMeades 0:5cffef3371f6 516 int count = 0;
RobMeades 0:5cffef3371f6 517 int x = 0;
RobMeades 0:5cffef3371f6 518
RobMeades 0:5cffef3371f6 519 if (size > 0) {
RobMeades 0:5cffef3371f6 520 for (count = 0; (count < size) && (x >= 0) && (x != end); count++) {
RobMeades 0:5cffef3371f6 521 x = _at->getc();
RobMeades 0:5cffef3371f6 522 *(buf + count) = (char) x;
RobMeades 0:5cffef3371f6 523 }
RobMeades 0:5cffef3371f6 524
RobMeades 0:5cffef3371f6 525 count--;
RobMeades 0:5cffef3371f6 526 *(buf + count) = 0;
RobMeades 0:5cffef3371f6 527
RobMeades 0:5cffef3371f6 528 // Convert line endings:
RobMeades 0:5cffef3371f6 529 // If end was '\n' (0x0a) and the preceding character was 0x0d, then
RobMeades 0:5cffef3371f6 530 // overwrite that with null as well.
RobMeades 0:5cffef3371f6 531 if ((count > 0) && (end == '\n') && (*(buf + count - 1) == '\x0d')) {
RobMeades 0:5cffef3371f6 532 count--;
RobMeades 0:5cffef3371f6 533 *(buf + count) = 0;
RobMeades 0:5cffef3371f6 534 }
RobMeades 0:5cffef3371f6 535 }
RobMeades 0:5cffef3371f6 536
RobMeades 0:5cffef3371f6 537 return count;
RobMeades 0:5cffef3371f6 538 }
RobMeades 0:5cffef3371f6 539
RobMeades 0:5cffef3371f6 540 // Power up the modem.
RobMeades 0:5cffef3371f6 541 // Enables the GPIO lines to the modem and then wriggles the power line in short pulses.
RobMeades 0:5cffef3371f6 542 bool UbloxCellularBase::power_up()
RobMeades 0:5cffef3371f6 543 {
RobMeades 0:5cffef3371f6 544 bool success = false;
RobMeades 0:5cffef3371f6 545 int at_timeout;
RobMeades 0:5cffef3371f6 546 LOCK();
RobMeades 0:5cffef3371f6 547
RobMeades 0:5cffef3371f6 548 at_timeout = _at_timeout; // Has to be inside LOCK()s
RobMeades 0:5cffef3371f6 549
RobMeades 0:5cffef3371f6 550 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 551
RobMeades 0:5cffef3371f6 552 /* Initialize GPIO lines */
RobMeades 0:5cffef3371f6 553 tr_info("Powering up modem...");
pilotak 7:c2cf27a981b3 554 modem_init();
RobMeades 0:5cffef3371f6 555 /* Give modem a little time to settle down */
RobMeades 0:5cffef3371f6 556 wait_ms(250);
RobMeades 0:5cffef3371f6 557
RobMeades 0:5cffef3371f6 558 for (int retry_count = 0; !success && (retry_count < 20); retry_count++) {
wajahat.abbas@u-blox.com 16:afb3ca2d9915 559 //In case of SARA-R4, modem takes a while to turn on, constantly toggling the power pin every ~2 secs causes the modem to never power up.
wajahat.abbas@u-blox.com 16:afb3ca2d9915 560 if ( (retry_count % 5) == 0) {
wajahat.abbas@u-blox.com 16:afb3ca2d9915 561 modem_power_up();
wajahat.abbas@u-blox.com 16:afb3ca2d9915 562 }
RobMeades 0:5cffef3371f6 563 wait_ms(500);
RobMeades 0:5cffef3371f6 564 // Modem tends to spit out noise during power up - don't confuse the parser
RobMeades 0:5cffef3371f6 565 _at->flush();
RobMeades 0:5cffef3371f6 566 at_set_timeout(1000);
RobMeades 0:5cffef3371f6 567 if (_at->send("AT")) {
RobMeades 0:5cffef3371f6 568 // C027 needs a delay here
RobMeades 0:5cffef3371f6 569 wait_ms(100);
RobMeades 0:5cffef3371f6 570 if (_at->recv("OK")) {
RobMeades 0:5cffef3371f6 571 success = true;
RobMeades 0:5cffef3371f6 572 }
RobMeades 0:5cffef3371f6 573 }
RobMeades 0:5cffef3371f6 574 at_set_timeout(at_timeout);
RobMeades 0:5cffef3371f6 575 }
RobMeades 0:5cffef3371f6 576
rob.meades@u-blox.com 4:2e640a101db1 577 if (success) {
rob.meades@u-blox.com 4:2e640a101db1 578 // Set the final baud rate
rob.meades@u-blox.com 4:2e640a101db1 579 if (_at->send("AT+IPR=%d", _baud) && _at->recv("OK")) {
rob.meades@u-blox.com 4:2e640a101db1 580 // Need to wait for things to be sorted out on the modem side
rob.meades@u-blox.com 4:2e640a101db1 581 wait_ms(100);
rob.meades@u-blox.com 4:2e640a101db1 582 ((UARTSerial *)_fh)->set_baud(_baud);
rob.meades@u-blox.com 4:2e640a101db1 583 }
rob.meades@u-blox.com 4:2e640a101db1 584
rob.meades@u-blox.com 4:2e640a101db1 585 // Turn off modem echoing and turn on verbose responses
rob.meades@u-blox.com 4:2e640a101db1 586 success = _at->send("ATE0;+CMEE=2") && _at->recv("OK") &&
rob.meades@u-blox.com 4:2e640a101db1 587 // The following commands are best sent separately
rob.meades@u-blox.com 4:2e640a101db1 588 _at->send("AT&K0") && _at->recv("OK") && // Turn off RTC/CTS handshaking
rob.meades@u-blox.com 4:2e640a101db1 589 _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 590 _at->send("AT&D0") && _at->recv("OK"); // Set DTR circuit, we ignore the state change of DTR
rob.meades@u-blox.com 4:2e640a101db1 591 }
RobMeades 0:5cffef3371f6 592
RobMeades 0:5cffef3371f6 593 if (!success) {
RobMeades 0:5cffef3371f6 594 tr_error("Preliminary modem setup failed.");
RobMeades 0:5cffef3371f6 595 }
RobMeades 0:5cffef3371f6 596
RobMeades 0:5cffef3371f6 597 UNLOCK();
RobMeades 0:5cffef3371f6 598 return success;
RobMeades 0:5cffef3371f6 599 }
RobMeades 0:5cffef3371f6 600
RobMeades 0:5cffef3371f6 601 // Power down modem via AT interface.
RobMeades 0:5cffef3371f6 602 void UbloxCellularBase::power_down()
RobMeades 0:5cffef3371f6 603 {
RobMeades 0:5cffef3371f6 604 LOCK();
RobMeades 0:5cffef3371f6 605
RobMeades 0:5cffef3371f6 606 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 607
RobMeades 0:5cffef3371f6 608 // If we have been running, do a soft power-off first
RobMeades 0:5cffef3371f6 609 if (_modem_initialised && (_at != NULL)) {
RobMeades 0:5cffef3371f6 610 _at->send("AT+CPWROFF") && _at->recv("OK");
RobMeades 0:5cffef3371f6 611 }
RobMeades 0:5cffef3371f6 612
RobMeades 0:5cffef3371f6 613 // Now do a hard power-off
pilotak 7:c2cf27a981b3 614 modem_power_down();
pilotak 7:c2cf27a981b3 615 modem_deinit();
RobMeades 0:5cffef3371f6 616
RobMeades 0:5cffef3371f6 617 _dev_info.reg_status_csd = CSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 618 _dev_info.reg_status_psd = PSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 619 _dev_info.reg_status_eps = EPS_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 620
RobMeades 0:5cffef3371f6 621 UNLOCK();
RobMeades 0:5cffef3371f6 622 }
RobMeades 0:5cffef3371f6 623
RobMeades 0:5cffef3371f6 624 // Get the device ID.
RobMeades 0:5cffef3371f6 625 bool UbloxCellularBase::set_device_identity(DeviceType *dev)
RobMeades 0:5cffef3371f6 626 {
RobMeades 0:5cffef3371f6 627 char buf[20];
RobMeades 0:5cffef3371f6 628 bool success;
RobMeades 0:5cffef3371f6 629 LOCK();
RobMeades 0:5cffef3371f6 630
RobMeades 0:5cffef3371f6 631 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 632
RobMeades 0:5cffef3371f6 633 success = _at->send("ATI") && _at->recv("%19[^\n]\nOK\n", buf);
RobMeades 0:5cffef3371f6 634
RobMeades 0:5cffef3371f6 635 if (success) {
RobMeades 0:5cffef3371f6 636 if (strstr(buf, "SARA-G35"))
RobMeades 0:5cffef3371f6 637 *dev = DEV_SARA_G35;
RobMeades 0:5cffef3371f6 638 else if (strstr(buf, "LISA-U200-03S"))
RobMeades 0:5cffef3371f6 639 *dev = DEV_LISA_U2_03S;
RobMeades 0:5cffef3371f6 640 else if (strstr(buf, "LISA-U2"))
RobMeades 0:5cffef3371f6 641 *dev = DEV_LISA_U2;
RobMeades 0:5cffef3371f6 642 else if (strstr(buf, "SARA-U2"))
RobMeades 0:5cffef3371f6 643 *dev = DEV_SARA_U2;
fahimalavi 10:c4281fa79b8f 644 else if (strstr(buf, "SARA-R4"))
fahimalavi 10:c4281fa79b8f 645 *dev = DEV_SARA_R4;
RobMeades 0:5cffef3371f6 646 else if (strstr(buf, "LEON-G2"))
RobMeades 0:5cffef3371f6 647 *dev = DEV_LEON_G2;
RobMeades 0:5cffef3371f6 648 else if (strstr(buf, "TOBY-L2"))
RobMeades 0:5cffef3371f6 649 *dev = DEV_TOBY_L2;
RobMeades 0:5cffef3371f6 650 else if (strstr(buf, "MPCI-L2"))
RobMeades 0:5cffef3371f6 651 *dev = DEV_MPCI_L2;
RobMeades 0:5cffef3371f6 652 }
RobMeades 0:5cffef3371f6 653
RobMeades 0:5cffef3371f6 654 UNLOCK();
RobMeades 0:5cffef3371f6 655 return success;
RobMeades 0:5cffef3371f6 656 }
RobMeades 0:5cffef3371f6 657
RobMeades 0:5cffef3371f6 658 // Send initialisation AT commands that are specific to the device.
RobMeades 0:5cffef3371f6 659 bool UbloxCellularBase::device_init(DeviceType dev)
RobMeades 0:5cffef3371f6 660 {
RobMeades 0:5cffef3371f6 661 bool success = false;
RobMeades 0:5cffef3371f6 662 LOCK();
RobMeades 0:5cffef3371f6 663
RobMeades 0:5cffef3371f6 664 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 665
RobMeades 0:5cffef3371f6 666 if ((dev == DEV_LISA_U2) || (dev == DEV_LEON_G2) || (dev == DEV_TOBY_L2)) {
RobMeades 0:5cffef3371f6 667 success = _at->send("AT+UGPIOC=20,2") && _at->recv("OK");
RobMeades 0:5cffef3371f6 668 } else if ((dev == DEV_SARA_U2) || (dev == DEV_SARA_G35)) {
RobMeades 0:5cffef3371f6 669 success = _at->send("AT+UGPIOC=16,2") && _at->recv("OK");
RobMeades 0:5cffef3371f6 670 } else {
RobMeades 0:5cffef3371f6 671 success = true;
RobMeades 0:5cffef3371f6 672 }
RobMeades 0:5cffef3371f6 673
RobMeades 0:5cffef3371f6 674 UNLOCK();
RobMeades 0:5cffef3371f6 675 return success;
RobMeades 0:5cffef3371f6 676 }
RobMeades 0:5cffef3371f6 677
RobMeades 0:5cffef3371f6 678 // Get the SIM card going.
RobMeades 0:5cffef3371f6 679 bool UbloxCellularBase::initialise_sim_card()
RobMeades 0:5cffef3371f6 680 {
RobMeades 0:5cffef3371f6 681 bool success = false;
RobMeades 0:5cffef3371f6 682 int retry_count = 0;
RobMeades 0:5cffef3371f6 683 bool done = false;
RobMeades 0:5cffef3371f6 684 LOCK();
RobMeades 0:5cffef3371f6 685
RobMeades 0:5cffef3371f6 686 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 687
RobMeades 0:5cffef3371f6 688 /* SIM initialisation may take a significant amount, so an error is
RobMeades 0:5cffef3371f6 689 * kind of expected. We should retry 10 times until we succeed or timeout. */
RobMeades 0:5cffef3371f6 690 for (retry_count = 0; !done && (retry_count < 10); retry_count++) {
RobMeades 0:5cffef3371f6 691 char pinstr[16];
RobMeades 0:5cffef3371f6 692
RobMeades 0:5cffef3371f6 693 if (_at->send("AT+CPIN?") && _at->recv("+CPIN: %15[^\n]\n", pinstr) &&
RobMeades 0:5cffef3371f6 694 _at->recv("OK")) {
RobMeades 0:5cffef3371f6 695 done = true;
RobMeades 0:5cffef3371f6 696 if (strcmp(pinstr, "SIM PIN") == 0) {
RobMeades 0:5cffef3371f6 697 _sim_pin_check_enabled = true;
RobMeades 0:5cffef3371f6 698 if (_at->send("AT+CPIN=\"%s\"", _pin)) {
RobMeades 0:5cffef3371f6 699 if (_at->recv("OK")) {
RobMeades 0:5cffef3371f6 700 tr_info("PIN correct");
RobMeades 0:5cffef3371f6 701 success = true;
RobMeades 0:5cffef3371f6 702 } else {
RobMeades 0:5cffef3371f6 703 tr_error("Incorrect PIN");
RobMeades 0:5cffef3371f6 704 }
RobMeades 0:5cffef3371f6 705 }
RobMeades 0:5cffef3371f6 706 } else if (strcmp(pinstr, "READY") == 0) {
RobMeades 0:5cffef3371f6 707 _sim_pin_check_enabled = false;
RobMeades 0:5cffef3371f6 708 tr_info("No PIN required");
RobMeades 0:5cffef3371f6 709 success = true;
RobMeades 0:5cffef3371f6 710 } else {
RobMeades 0:5cffef3371f6 711 tr_debug("Unexpected response from SIM: \"%s\"", pinstr);
RobMeades 0:5cffef3371f6 712 }
RobMeades 0:5cffef3371f6 713 }
RobMeades 0:5cffef3371f6 714
RobMeades 0:5cffef3371f6 715 /* wait for a second before retry */
RobMeades 0:5cffef3371f6 716 wait_ms(1000);
RobMeades 0:5cffef3371f6 717 }
RobMeades 0:5cffef3371f6 718
RobMeades 0:5cffef3371f6 719 if (done) {
RobMeades 0:5cffef3371f6 720 tr_info("SIM Ready.");
RobMeades 0:5cffef3371f6 721 } else {
RobMeades 0:5cffef3371f6 722 tr_error("SIM not ready.");
RobMeades 0:5cffef3371f6 723 }
RobMeades 0:5cffef3371f6 724
RobMeades 0:5cffef3371f6 725 UNLOCK();
RobMeades 0:5cffef3371f6 726 return success;
RobMeades 0:5cffef3371f6 727 }
RobMeades 0:5cffef3371f6 728
RobMeades 0:5cffef3371f6 729 /**********************************************************************
RobMeades 0:5cffef3371f6 730 * PUBLIC METHODS
RobMeades 0:5cffef3371f6 731 **********************************************************************/
RobMeades 0:5cffef3371f6 732
RobMeades 0:5cffef3371f6 733 // Initialise the modem.
RobMeades 0:5cffef3371f6 734 bool UbloxCellularBase::init(const char *pin)
RobMeades 0:5cffef3371f6 735 {
RobMeades 8:a15349fcab25 736 int x;
RobMeades 0:5cffef3371f6 737 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 738
RobMeades 0:5cffef3371f6 739 if (!_modem_initialised) {
RobMeades 0:5cffef3371f6 740 if (power_up()) {
RobMeades 0:5cffef3371f6 741 tr_info("Modem Ready.");
RobMeades 0:5cffef3371f6 742 if (pin != NULL) {
RobMeades 0:5cffef3371f6 743 _pin = pin;
RobMeades 0:5cffef3371f6 744 }
RobMeades 0:5cffef3371f6 745 if (initialise_sim_card()) {
RobMeades 0:5cffef3371f6 746 if (set_device_identity(&_dev_info.dev) && // Set up device identity
rob.meades@u-blox.com 6:8fadf1e49487 747 device_init(_dev_info.dev)) {// Initialise this device
rob.meades@u-blox.com 6:8fadf1e49487 748 // Get the integrated circuit ID of the SIM
rob.meades@u-blox.com 6:8fadf1e49487 749 if (get_iccid()) {
rob.meades@u-blox.com 6:8fadf1e49487 750 // Try a few times to get the IMSI (since on some modems this can
rob.meades@u-blox.com 6:8fadf1e49487 751 // take a while to be retrieved, especially if a SIM PIN
rob.meades@u-blox.com 6:8fadf1e49487 752 // was set)
RobMeades 8:a15349fcab25 753 for (x = 0; (x < 3) && !get_imsi(); x++) {
rob.meades@u-blox.com 6:8fadf1e49487 754 wait_ms(1000);
rob.meades@u-blox.com 6:8fadf1e49487 755 }
rob.meades@u-blox.com 6:8fadf1e49487 756
RobMeades 8:a15349fcab25 757 if (x < 3) { // If we got the IMSI, can get the others
rob.meades@u-blox.com 6:8fadf1e49487 758 if (get_imei() && // Get international mobile equipment identifier
rob.meades@u-blox.com 6:8fadf1e49487 759 get_meid() && // Probably the same as the IMEI
rob.meades@u-blox.com 6:8fadf1e49487 760 set_sms()) { // And set up SMS
rob.meades@u-blox.com 6:8fadf1e49487 761 // The modem is initialised.
rob.meades@u-blox.com 6:8fadf1e49487 762 _modem_initialised = true;
rob.meades@u-blox.com 6:8fadf1e49487 763 }
rob.meades@u-blox.com 6:8fadf1e49487 764 }
rob.meades@u-blox.com 6:8fadf1e49487 765 }
RobMeades 0:5cffef3371f6 766 }
RobMeades 0:5cffef3371f6 767 }
RobMeades 0:5cffef3371f6 768 }
RobMeades 0:5cffef3371f6 769 }
RobMeades 0:5cffef3371f6 770
RobMeades 0:5cffef3371f6 771 return _modem_initialised;
RobMeades 0:5cffef3371f6 772 }
RobMeades 0:5cffef3371f6 773
RobMeades 0:5cffef3371f6 774 // Perform registration.
RobMeades 0:5cffef3371f6 775 bool UbloxCellularBase::nwk_registration()
RobMeades 0:5cffef3371f6 776 {
RobMeades 0:5cffef3371f6 777 bool atSuccess = false;
RobMeades 0:5cffef3371f6 778 bool registered = false;
RobMeades 0:5cffef3371f6 779 int status;
RobMeades 0:5cffef3371f6 780 int at_timeout;
RobMeades 0:5cffef3371f6 781 LOCK();
RobMeades 0:5cffef3371f6 782
RobMeades 0:5cffef3371f6 783 at_timeout = _at_timeout; // Has to be inside LOCK()s
RobMeades 0:5cffef3371f6 784
RobMeades 0:5cffef3371f6 785 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 786
RobMeades 0:5cffef3371f6 787 if (!is_registered_psd() && !is_registered_csd() && !is_registered_eps()) {
RobMeades 0:5cffef3371f6 788 tr_info("Searching Network...");
RobMeades 0:5cffef3371f6 789 // Enable the packet switched and network registration unsolicited result codes
RobMeades 0:5cffef3371f6 790 if (_at->send("AT+CREG=1") && _at->recv("OK") &&
RobMeades 0:5cffef3371f6 791 _at->send("AT+CGREG=1") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 792 atSuccess = true;
RobMeades 0:5cffef3371f6 793 if (_at->send("AT+CEREG=1")) {
RobMeades 0:5cffef3371f6 794 _at->recv("OK");
RobMeades 0:5cffef3371f6 795 // Don't check return value as this works for LTE only
RobMeades 0:5cffef3371f6 796 }
RobMeades 0:5cffef3371f6 797
RobMeades 0:5cffef3371f6 798 if (atSuccess) {
RobMeades 0:5cffef3371f6 799 // See if we are already in automatic mode
RobMeades 0:5cffef3371f6 800 if (_at->send("AT+COPS?") && _at->recv("+COPS: %d", &status) &&
RobMeades 0:5cffef3371f6 801 _at->recv("OK")) {
RobMeades 0:5cffef3371f6 802 // If not, set it
RobMeades 0:5cffef3371f6 803 if (status != 0) {
RobMeades 0:5cffef3371f6 804 // Don't check return code here as there's not much
RobMeades 0:5cffef3371f6 805 // we can do if this fails.
RobMeades 0:5cffef3371f6 806 _at->send("AT+COPS=0") && _at->recv("OK");
RobMeades 0:5cffef3371f6 807 }
RobMeades 0:5cffef3371f6 808 }
RobMeades 0:5cffef3371f6 809
RobMeades 0:5cffef3371f6 810 // Query the registration status directly as well,
RobMeades 0:5cffef3371f6 811 // just in case
RobMeades 0:5cffef3371f6 812 if (_at->send("AT+CREG?") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 813 // Answer will be processed by URC
RobMeades 0:5cffef3371f6 814 }
RobMeades 0:5cffef3371f6 815 if (_at->send("AT+CGREG?") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 816 // Answer will be processed by URC
RobMeades 0:5cffef3371f6 817 }
RobMeades 0:5cffef3371f6 818 if (_at->send("AT+CEREG?")) {
RobMeades 0:5cffef3371f6 819 _at->recv("OK");
RobMeades 0:5cffef3371f6 820 // Don't check return value as this works for LTE only
RobMeades 0:5cffef3371f6 821 }
RobMeades 0:5cffef3371f6 822 }
RobMeades 0:5cffef3371f6 823 }
RobMeades 0:5cffef3371f6 824 // Wait for registration to succeed
RobMeades 0:5cffef3371f6 825 at_set_timeout(1000);
RobMeades 0:5cffef3371f6 826 for (int waitSeconds = 0; !registered && (waitSeconds < 180); waitSeconds++) {
RobMeades 0:5cffef3371f6 827 registered = is_registered_psd() || is_registered_csd() || is_registered_eps();
RobMeades 0:5cffef3371f6 828 _at->recv(UNNATURAL_STRING);
RobMeades 0:5cffef3371f6 829 }
RobMeades 0:5cffef3371f6 830 at_set_timeout(at_timeout);
RobMeades 0:5cffef3371f6 831
RobMeades 0:5cffef3371f6 832 if (registered) {
RobMeades 0:5cffef3371f6 833 // This should return quickly but sometimes the status field is not returned
RobMeades 0:5cffef3371f6 834 // so make the timeout short
RobMeades 0:5cffef3371f6 835 at_set_timeout(1000);
RobMeades 0:5cffef3371f6 836 if (_at->send("AT+COPS?") && _at->recv("+COPS: %*d,%*d,\"%*[^\"]\",%d\n", &status)) {
RobMeades 0:5cffef3371f6 837 set_rat(status);
RobMeades 0:5cffef3371f6 838 }
RobMeades 0:5cffef3371f6 839 at_set_timeout(at_timeout);
RobMeades 0:5cffef3371f6 840 }
RobMeades 0:5cffef3371f6 841 } else {
RobMeades 0:5cffef3371f6 842 registered = true;
RobMeades 0:5cffef3371f6 843 }
RobMeades 0:5cffef3371f6 844
RobMeades 0:5cffef3371f6 845 UNLOCK();
RobMeades 0:5cffef3371f6 846 return registered;
RobMeades 0:5cffef3371f6 847 }
RobMeades 0:5cffef3371f6 848
RobMeades 0:5cffef3371f6 849 bool UbloxCellularBase::is_registered_csd()
RobMeades 0:5cffef3371f6 850 {
RobMeades 0:5cffef3371f6 851 return (_dev_info.reg_status_csd == CSD_REGISTERED) ||
RobMeades 0:5cffef3371f6 852 (_dev_info.reg_status_csd == CSD_REGISTERED_ROAMING) ||
RobMeades 0:5cffef3371f6 853 (_dev_info.reg_status_csd == CSD_CSFB_NOT_PREFERRED);
RobMeades 0:5cffef3371f6 854 }
RobMeades 0:5cffef3371f6 855
RobMeades 0:5cffef3371f6 856 bool UbloxCellularBase::is_registered_psd()
RobMeades 0:5cffef3371f6 857 {
RobMeades 0:5cffef3371f6 858 return (_dev_info.reg_status_psd == PSD_REGISTERED) ||
RobMeades 0:5cffef3371f6 859 (_dev_info.reg_status_psd == PSD_REGISTERED_ROAMING);
RobMeades 0:5cffef3371f6 860 }
RobMeades 0:5cffef3371f6 861
RobMeades 0:5cffef3371f6 862 bool UbloxCellularBase::is_registered_eps()
RobMeades 0:5cffef3371f6 863 {
RobMeades 0:5cffef3371f6 864 return (_dev_info.reg_status_eps == EPS_REGISTERED) ||
RobMeades 0:5cffef3371f6 865 (_dev_info.reg_status_eps == EPS_REGISTERED_ROAMING);
RobMeades 0:5cffef3371f6 866 }
RobMeades 0:5cffef3371f6 867
RobMeades 0:5cffef3371f6 868 // Perform deregistration.
RobMeades 0:5cffef3371f6 869 bool UbloxCellularBase::nwk_deregistration()
RobMeades 0:5cffef3371f6 870 {
RobMeades 0:5cffef3371f6 871 bool success = false;
RobMeades 0:5cffef3371f6 872 LOCK();
RobMeades 0:5cffef3371f6 873
RobMeades 0:5cffef3371f6 874 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 875
RobMeades 0:5cffef3371f6 876 if (_at->send("AT+COPS=2") && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 877 _dev_info.reg_status_csd = CSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 878 _dev_info.reg_status_psd = PSD_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 879 _dev_info.reg_status_eps = EPS_NOT_REGISTERED_NOT_SEARCHING;
RobMeades 0:5cffef3371f6 880 success = true;
RobMeades 0:5cffef3371f6 881 }
RobMeades 0:5cffef3371f6 882
RobMeades 0:5cffef3371f6 883 UNLOCK();
RobMeades 0:5cffef3371f6 884 return success;
RobMeades 0:5cffef3371f6 885 }
RobMeades 0:5cffef3371f6 886
RobMeades 0:5cffef3371f6 887 // Put the modem into its lowest power state.
RobMeades 0:5cffef3371f6 888 void UbloxCellularBase::deinit()
RobMeades 0:5cffef3371f6 889 {
RobMeades 0:5cffef3371f6 890 power_down();
RobMeades 0:5cffef3371f6 891 _modem_initialised = false;
RobMeades 0:5cffef3371f6 892 }
RobMeades 0:5cffef3371f6 893
RobMeades 0:5cffef3371f6 894 // Set the PIN.
RobMeades 0:5cffef3371f6 895 void UbloxCellularBase::set_pin(const char *pin) {
RobMeades 0:5cffef3371f6 896 _pin = pin;
RobMeades 0:5cffef3371f6 897 }
RobMeades 0:5cffef3371f6 898
RobMeades 0:5cffef3371f6 899 // Enable or disable SIM pin checking.
rob.meades@u-blox.com 4:2e640a101db1 900 bool UbloxCellularBase::sim_pin_check_enable(bool enableNotDisable)
RobMeades 0:5cffef3371f6 901 {
RobMeades 0:5cffef3371f6 902 bool success = false;;
RobMeades 0:5cffef3371f6 903 LOCK();
RobMeades 0:5cffef3371f6 904
RobMeades 0:5cffef3371f6 905 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 906
RobMeades 0:5cffef3371f6 907 if (_pin != NULL) {
RobMeades 0:5cffef3371f6 908 if (_sim_pin_check_enabled && !enableNotDisable) {
RobMeades 0:5cffef3371f6 909 // Disable the SIM lock
RobMeades 0:5cffef3371f6 910 if (_at->send("AT+CLCK=\"SC\",0,\"%s\"", _pin) && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 911 _sim_pin_check_enabled = false;
RobMeades 0:5cffef3371f6 912 success = true;
RobMeades 0:5cffef3371f6 913 }
RobMeades 0:5cffef3371f6 914 } else if (!_sim_pin_check_enabled && enableNotDisable) {
RobMeades 0:5cffef3371f6 915 // Enable the SIM lock
RobMeades 0:5cffef3371f6 916 if (_at->send("AT+CLCK=\"SC\",1,\"%s\"", _pin) && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 917 _sim_pin_check_enabled = true;
RobMeades 0:5cffef3371f6 918 success = true;
RobMeades 0:5cffef3371f6 919 }
RobMeades 0:5cffef3371f6 920 } else {
RobMeades 0:5cffef3371f6 921 success = true;
RobMeades 0:5cffef3371f6 922 }
RobMeades 0:5cffef3371f6 923 }
RobMeades 0:5cffef3371f6 924
RobMeades 0:5cffef3371f6 925 UNLOCK();
RobMeades 0:5cffef3371f6 926 return success;
RobMeades 0:5cffef3371f6 927 }
RobMeades 0:5cffef3371f6 928
RobMeades 0:5cffef3371f6 929 // Change the pin code for the SIM card.
RobMeades 0:5cffef3371f6 930 bool UbloxCellularBase::change_sim_pin(const char *pin)
RobMeades 0:5cffef3371f6 931 {
RobMeades 0:5cffef3371f6 932 bool success = false;;
RobMeades 0:5cffef3371f6 933 LOCK();
RobMeades 0:5cffef3371f6 934
RobMeades 0:5cffef3371f6 935 MBED_ASSERT(_at != NULL);
RobMeades 0:5cffef3371f6 936
RobMeades 0:5cffef3371f6 937 // Change the SIM pin
RobMeades 0:5cffef3371f6 938 if ((pin != NULL) && (_pin != NULL)) {
RobMeades 0:5cffef3371f6 939 if (_at->send("AT+CPWD=\"SC\",\"%s\",\"%s\"", _pin, pin) && _at->recv("OK")) {
RobMeades 0:5cffef3371f6 940 _pin = pin;
RobMeades 0:5cffef3371f6 941 success = true;
RobMeades 0:5cffef3371f6 942 }
RobMeades 0:5cffef3371f6 943 }
RobMeades 0:5cffef3371f6 944
RobMeades 0:5cffef3371f6 945 UNLOCK();
RobMeades 0:5cffef3371f6 946 return success;
RobMeades 0:5cffef3371f6 947 }
RobMeades 0:5cffef3371f6 948
RobMeades 14:e420232ee4e7 949 // Get the IMEI.
fahim alavi 13:158a035b1b50 950 bool UbloxCellularBase::get_imei(char *imei_to_send, int size)
fahim alavi 13:158a035b1b50 951 {
fahim alavi 13:158a035b1b50 952 bool success;
fahim alavi 13:158a035b1b50 953 LOCK();
fahim alavi 13:158a035b1b50 954
fahim alavi 13:158a035b1b50 955 MBED_ASSERT(_at != NULL);
fahim alavi 13:158a035b1b50 956
fahim alavi 13:158a035b1b50 957 // International mobile equipment identifier
fahim alavi 13:158a035b1b50 958 // AT Command Manual UBX-13002752, section 4.7
fahim alavi 13:158a035b1b50 959 success = _at->send("AT+CGSN") && _at->recv("%15[^\n]\nOK\n", _dev_info.imei);
fahim alavi 13:158a035b1b50 960 tr_info("DevInfo: IMEI=%s", _dev_info.imei);
fahim alavi 13:158a035b1b50 961
fahim alavi 13:158a035b1b50 962 if (success) {
fahim alavi 13:158a035b1b50 963 memcpy(imei_to_send,_dev_info.imei,size);
fahim alavi 13:158a035b1b50 964 imei_to_send[size-1] = '\0';
fahim alavi 13:158a035b1b50 965 }
fahim alavi 13:158a035b1b50 966
fahim alavi 13:158a035b1b50 967 UNLOCK();
fahim alavi 13:158a035b1b50 968 return success;
fahim alavi 13:158a035b1b50 969 }
fahim alavi 13:158a035b1b50 970
RobMeades 14:e420232ee4e7 971 // Get the IMEI of the module.
RobMeades 14:e420232ee4e7 972 const char *UbloxCellularBase::imei()
RobMeades 14:e420232ee4e7 973 {
RobMeades 14:e420232ee4e7 974 return _dev_info.imei;
RobMeades 14:e420232ee4e7 975 }
RobMeades 14:e420232ee4e7 976
RobMeades 14:e420232ee4e7 977 // Get the Mobile Equipment ID (which may be the same as the IMEI).
RobMeades 14:e420232ee4e7 978 const char *UbloxCellularBase::meid()
RobMeades 14:e420232ee4e7 979 {
RobMeades 14:e420232ee4e7 980 return _dev_info.meid;
RobMeades 14:e420232ee4e7 981 }
RobMeades 14:e420232ee4e7 982
RobMeades 14:e420232ee4e7 983 // Get the IMSI of the SIM.
RobMeades 14:e420232ee4e7 984 const char *UbloxCellularBase::imsi()
RobMeades 14:e420232ee4e7 985 {
RobMeades 14:e420232ee4e7 986 // (try) to update the IMSI, just in case the SIM has changed
RobMeades 14:e420232ee4e7 987 get_imsi();
RobMeades 14:e420232ee4e7 988
RobMeades 14:e420232ee4e7 989 return _dev_info.imsi;
RobMeades 14:e420232ee4e7 990 }
RobMeades 14:e420232ee4e7 991
RobMeades 14:e420232ee4e7 992 // Get the ICCID of the SIM.
RobMeades 14:e420232ee4e7 993 const char *UbloxCellularBase::iccid()
RobMeades 14:e420232ee4e7 994 {
RobMeades 14:e420232ee4e7 995 // (try) to update the ICCID, just in case the SIM has changed
RobMeades 14:e420232ee4e7 996 get_iccid();
RobMeades 14:e420232ee4e7 997
RobMeades 14:e420232ee4e7 998 return _dev_info.iccid;
RobMeades 14:e420232ee4e7 999 }
RobMeades 14:e420232ee4e7 1000
RobMeades 14:e420232ee4e7 1001 // Get the RSSI in dBm.
RobMeades 14:e420232ee4e7 1002 int UbloxCellularBase::rssi()
RobMeades 14:e420232ee4e7 1003 {
RobMeades 14:e420232ee4e7 1004 char buf[7] = {0};
RobMeades 14:e420232ee4e7 1005 int rssi = 0;
RobMeades 14:e420232ee4e7 1006 int qual = 0;
RobMeades 14:e420232ee4e7 1007 int rssiRet = 0;
RobMeades 14:e420232ee4e7 1008 bool success;
RobMeades 14:e420232ee4e7 1009 LOCK();
RobMeades 14:e420232ee4e7 1010
RobMeades 14:e420232ee4e7 1011 MBED_ASSERT(_at != NULL);
RobMeades 14:e420232ee4e7 1012
RobMeades 14:e420232ee4e7 1013 success = _at->send("AT+CSQ") && _at->recv("+CSQ: %6[^\n]\nOK\n", buf);
RobMeades 14:e420232ee4e7 1014
RobMeades 14:e420232ee4e7 1015 if (success) {
RobMeades 14:e420232ee4e7 1016 if (sscanf(buf, "%d,%d", &rssi, &qual) == 2) {
RobMeades 14:e420232ee4e7 1017 // AT+CSQ returns a coded RSSI value and an RxQual value
RobMeades 14:e420232ee4e7 1018 // For 2G an RSSI of 0 corresponds to -113 dBm or less,
RobMeades 14:e420232ee4e7 1019 // an RSSI of 31 corresponds to -51 dBm or less and hence
RobMeades 14:e420232ee4e7 1020 // each value is a 2 dB step.
RobMeades 14:e420232ee4e7 1021 // For LTE the mapping is defined in the array rssiConvertLte[].
RobMeades 14:e420232ee4e7 1022 // For 3G the mapping to RSCP is defined in the array rscpConvert3G[]
RobMeades 14:e420232ee4e7 1023 // and the RSSI value is then RSCP - the EC_NO_LEV number derived
RobMeades 14:e420232ee4e7 1024 // by putting the qual number through qualConvert3G[].
RobMeades 14:e420232ee4e7 1025 if ((rssi >= 0) && (rssi <= 31)) {
RobMeades 14:e420232ee4e7 1026 switch (_dev_info.rat) {
RobMeades 14:e420232ee4e7 1027 case UTRAN:
RobMeades 14:e420232ee4e7 1028 case HSDPA:
RobMeades 14:e420232ee4e7 1029 case HSUPA:
RobMeades 14:e420232ee4e7 1030 case HSDPA_HSUPA:
RobMeades 14:e420232ee4e7 1031 // 3G
RobMeades 14:e420232ee4e7 1032 if ((qual >= 0) && (qual <= 7)) {
RobMeades 14:e420232ee4e7 1033 qual = qualConvert3G[qual];
fahim.alavi@u-blox.com 15:93b157a47b8d 1034 rssiRet = rscpConvert3G[rssi];
fahim.alavi@u-blox.com 15:93b157a47b8d 1035 rssiRet -= qual;
RobMeades 14:e420232ee4e7 1036 }
fahim.alavi@u-blox.com 15:93b157a47b8d 1037
RobMeades 14:e420232ee4e7 1038 break;
RobMeades 14:e420232ee4e7 1039 case LTE:
RobMeades 14:e420232ee4e7 1040 // LTE
RobMeades 14:e420232ee4e7 1041 rssiRet = rssiConvertLte[rssi];
RobMeades 14:e420232ee4e7 1042 break;
RobMeades 14:e420232ee4e7 1043 case GSM:
RobMeades 14:e420232ee4e7 1044 case COMPACT_GSM:
RobMeades 14:e420232ee4e7 1045 case EDGE:
RobMeades 14:e420232ee4e7 1046 default:
RobMeades 14:e420232ee4e7 1047 // GSM or assumed GSM if the RAT is not known
RobMeades 14:e420232ee4e7 1048 rssiRet = -(113 - (rssi << 2));
RobMeades 14:e420232ee4e7 1049 break;
RobMeades 14:e420232ee4e7 1050 }
RobMeades 14:e420232ee4e7 1051 }
RobMeades 14:e420232ee4e7 1052 }
RobMeades 14:e420232ee4e7 1053 }
RobMeades 14:e420232ee4e7 1054
RobMeades 14:e420232ee4e7 1055 UNLOCK();
RobMeades 14:e420232ee4e7 1056 return rssiRet;
RobMeades 14:e420232ee4e7 1057 }
RobMeades 14:e420232ee4e7 1058
RobMeades 0:5cffef3371f6 1059 // End of File
RobMeades 0:5cffef3371f6 1060