Curt Black / ublox-at-cellular-interface

Fork of ublox-at-cellular-interface to add LARA-R2 support

Dependents:  

Fork of ublox-at-cellular-interface by u-blox

UbloxATCellularInterface.cpp@10:ba18f4418ee8, 2017-10-30 (annotated)

Committer:
RobMeades
Date:
Mon Oct 30 14:48:14 2017 +0000
Revision:
10:ba18f4418ee8
Parent:
7:3b2ca10cc23a
Child:
11:cc41a8636f7e
Child:
12:ff6fac481487
Merge pull request from amq: usord and usorf can potentially return more data than originally requested, handle this situation if it occurs.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RobMeades 0:7ccf0e7e8a83 1 /* Copyright (c) 2017 ublox Limited
RobMeades 0:7ccf0e7e8a83 2 *
RobMeades 0:7ccf0e7e8a83 3 * Licensed under the Apache License, Version 2.0 (the "License");
RobMeades 0:7ccf0e7e8a83 4 * you may not use this file except in compliance with the License.
RobMeades 0:7ccf0e7e8a83 5 * You may obtain a copy of the License at
RobMeades 0:7ccf0e7e8a83 6 *
RobMeades 0:7ccf0e7e8a83 7 * http://www.apache.org/licenses/LICENSE-2.0
RobMeades 0:7ccf0e7e8a83 8 *
RobMeades 0:7ccf0e7e8a83 9 * Unless required by applicable law or agreed to in writing, software
RobMeades 0:7ccf0e7e8a83 10 * distributed under the License is distributed on an "AS IS" BASIS,
RobMeades 0:7ccf0e7e8a83 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
RobMeades 0:7ccf0e7e8a83 12 * See the License for the specific language governing permissions and
RobMeades 0:7ccf0e7e8a83 13 * limitations under the License.
RobMeades 0:7ccf0e7e8a83 14 */
RobMeades 0:7ccf0e7e8a83 15
RobMeades 0:7ccf0e7e8a83 16 #include "UbloxATCellularInterface.h"
RobMeades 0:7ccf0e7e8a83 17 #include "mbed_poll.h"
RobMeades 0:7ccf0e7e8a83 18 #include "nsapi.h"
RobMeades 0:7ccf0e7e8a83 19 #include "APN_db.h"
RobMeades 0:7ccf0e7e8a83 20 #ifdef FEATURE_COMMON_PAL
RobMeades 0:7ccf0e7e8a83 21 #include "mbed_trace.h"
RobMeades 0:7ccf0e7e8a83 22 #define TRACE_GROUP "UACI"
RobMeades 0:7ccf0e7e8a83 23 #else
rob.meades@u-blox.com 5:f6706249d076 24 #define tr_debug(format, ...) debug_if(_debug_trace_on, format "\n", ## __VA_ARGS__)
rob.meades@u-blox.com 5:f6706249d076 25 #define tr_info(format, ...) debug_if(_debug_trace_on, format "\n", ## __VA_ARGS__)
rob.meades@u-blox.com 5:f6706249d076 26 #define tr_warn(format, ...) debug_if(_debug_trace_on, format "\n", ## __VA_ARGS__)
rob.meades@u-blox.com 5:f6706249d076 27 #define tr_error(format, ...) debug_if(_debug_trace_on, format "\n", ## __VA_ARGS__)
RobMeades 0:7ccf0e7e8a83 28 #endif
RobMeades 0:7ccf0e7e8a83 29
RobMeades 0:7ccf0e7e8a83 30 /**********************************************************************
RobMeades 0:7ccf0e7e8a83 31 * PRIVATE METHODS
RobMeades 0:7ccf0e7e8a83 32 **********************************************************************/
RobMeades 0:7ccf0e7e8a83 33
RobMeades 0:7ccf0e7e8a83 34 // Event thread for asynchronous received data handling.
RobMeades 0:7ccf0e7e8a83 35 void UbloxATCellularInterface::handle_event(){
RobMeades 0:7ccf0e7e8a83 36 pollfh fhs;
RobMeades 0:7ccf0e7e8a83 37 int count;
RobMeades 0:7ccf0e7e8a83 38 int at_timeout;
RobMeades 0:7ccf0e7e8a83 39
RobMeades 0:7ccf0e7e8a83 40 fhs.fh = _fh;
RobMeades 0:7ccf0e7e8a83 41 fhs.events = POLLIN;
RobMeades 0:7ccf0e7e8a83 42
RobMeades 0:7ccf0e7e8a83 43 while (true) {
RobMeades 0:7ccf0e7e8a83 44 count = poll(&fhs, 1, 1000);
RobMeades 0:7ccf0e7e8a83 45 if (count > 0 && (fhs.revents & POLLIN)) {
RobMeades 0:7ccf0e7e8a83 46 LOCK();
RobMeades 0:7ccf0e7e8a83 47 at_timeout = _at_timeout;
RobMeades 0:7ccf0e7e8a83 48 at_set_timeout(10); // Avoid blocking but also make sure we don't
RobMeades 0:7ccf0e7e8a83 49 // time out if we get ahead of the serial port
RobMeades 0:7ccf0e7e8a83 50 _at->debug_on(false); // Debug here screws with the test output
RobMeades 0:7ccf0e7e8a83 51 // Let the URCs run
RobMeades 0:7ccf0e7e8a83 52 _at->recv(UNNATURAL_STRING);
RobMeades 0:7ccf0e7e8a83 53 _at->debug_on(_debug_trace_on);
RobMeades 0:7ccf0e7e8a83 54 at_set_timeout(at_timeout);
RobMeades 0:7ccf0e7e8a83 55 UNLOCK();
RobMeades 0:7ccf0e7e8a83 56 }
RobMeades 0:7ccf0e7e8a83 57 }
RobMeades 0:7ccf0e7e8a83 58 }
RobMeades 0:7ccf0e7e8a83 59
RobMeades 0:7ccf0e7e8a83 60 // Find or create a socket from the list.
RobMeades 0:7ccf0e7e8a83 61 UbloxATCellularInterface::SockCtrl * UbloxATCellularInterface::find_socket(int modem_handle)
RobMeades 0:7ccf0e7e8a83 62 {
RobMeades 0:7ccf0e7e8a83 63 UbloxATCellularInterface::SockCtrl *socket = NULL;
RobMeades 0:7ccf0e7e8a83 64
RobMeades 0:7ccf0e7e8a83 65 for (unsigned int x = 0; (socket == NULL) && (x < sizeof(_sockets) / sizeof(_sockets[0])); x++) {
RobMeades 0:7ccf0e7e8a83 66 if (_sockets[x].modem_handle == modem_handle) {
RobMeades 0:7ccf0e7e8a83 67 socket = &(_sockets[x]);
RobMeades 0:7ccf0e7e8a83 68 }
RobMeades 0:7ccf0e7e8a83 69 }
RobMeades 0:7ccf0e7e8a83 70
RobMeades 0:7ccf0e7e8a83 71 return socket;
RobMeades 0:7ccf0e7e8a83 72 }
RobMeades 0:7ccf0e7e8a83 73
RobMeades 0:7ccf0e7e8a83 74 // Clear out the storage for a socket
RobMeades 0:7ccf0e7e8a83 75 void UbloxATCellularInterface::clear_socket(UbloxATCellularInterface::SockCtrl * socket)
RobMeades 0:7ccf0e7e8a83 76 {
RobMeades 0:7ccf0e7e8a83 77 if (socket != NULL) {
RobMeades 0:7ccf0e7e8a83 78 socket->modem_handle = SOCKET_UNUSED;
RobMeades 0:7ccf0e7e8a83 79 socket->pending = 0;
RobMeades 0:7ccf0e7e8a83 80 socket->callback = NULL;
RobMeades 0:7ccf0e7e8a83 81 socket->data = NULL;
RobMeades 0:7ccf0e7e8a83 82 }
RobMeades 0:7ccf0e7e8a83 83 }
RobMeades 0:7ccf0e7e8a83 84
RobMeades 0:7ccf0e7e8a83 85 // Check that a socket pointer is valid
RobMeades 0:7ccf0e7e8a83 86 bool UbloxATCellularInterface::check_socket(SockCtrl * socket)
RobMeades 0:7ccf0e7e8a83 87 {
RobMeades 0:7ccf0e7e8a83 88 bool success = false;
RobMeades 0:7ccf0e7e8a83 89
RobMeades 0:7ccf0e7e8a83 90 if (socket != NULL) {
RobMeades 0:7ccf0e7e8a83 91 for (unsigned int x = 0; !success && (x < sizeof(_sockets) / sizeof(_sockets[0])); x++) {
RobMeades 0:7ccf0e7e8a83 92 if (socket == &(_sockets[x])) {
RobMeades 0:7ccf0e7e8a83 93 success = true;
RobMeades 0:7ccf0e7e8a83 94 }
RobMeades 0:7ccf0e7e8a83 95 }
RobMeades 0:7ccf0e7e8a83 96 }
RobMeades 0:7ccf0e7e8a83 97
RobMeades 0:7ccf0e7e8a83 98 return success;
RobMeades 0:7ccf0e7e8a83 99 }
RobMeades 0:7ccf0e7e8a83 100
RobMeades 0:7ccf0e7e8a83 101 // Convert nsapi_security_t to the modem security numbers
RobMeades 0:7ccf0e7e8a83 102 int UbloxATCellularInterface::nsapi_security_to_modem_security(nsapi_security_t nsapi_security)
RobMeades 0:7ccf0e7e8a83 103 {
RobMeades 0:7ccf0e7e8a83 104 int modem_security = 3;
RobMeades 0:7ccf0e7e8a83 105
RobMeades 0:7ccf0e7e8a83 106 switch (nsapi_security)
RobMeades 0:7ccf0e7e8a83 107 {
RobMeades 0:7ccf0e7e8a83 108 case NSAPI_SECURITY_NONE:
RobMeades 0:7ccf0e7e8a83 109 modem_security = 0;
RobMeades 0:7ccf0e7e8a83 110 break;
RobMeades 0:7ccf0e7e8a83 111 case NSAPI_SECURITY_PAP:
RobMeades 0:7ccf0e7e8a83 112 modem_security = 1;
RobMeades 0:7ccf0e7e8a83 113 break;
RobMeades 0:7ccf0e7e8a83 114 case NSAPI_SECURITY_CHAP:
RobMeades 0:7ccf0e7e8a83 115 modem_security = 2;
RobMeades 0:7ccf0e7e8a83 116 break;
RobMeades 0:7ccf0e7e8a83 117 case NSAPI_SECURITY_UNKNOWN:
RobMeades 0:7ccf0e7e8a83 118 modem_security = 3;
RobMeades 0:7ccf0e7e8a83 119 break;
RobMeades 0:7ccf0e7e8a83 120 default:
RobMeades 0:7ccf0e7e8a83 121 modem_security = 3;
RobMeades 0:7ccf0e7e8a83 122 break;
RobMeades 0:7ccf0e7e8a83 123 }
RobMeades 0:7ccf0e7e8a83 124
RobMeades 0:7ccf0e7e8a83 125 return modem_security;
RobMeades 0:7ccf0e7e8a83 126 }
RobMeades 0:7ccf0e7e8a83 127
RobMeades 0:7ccf0e7e8a83 128 // Callback for Socket Read URC.
RobMeades 0:7ccf0e7e8a83 129 void UbloxATCellularInterface::UUSORD_URC()
RobMeades 0:7ccf0e7e8a83 130 {
RobMeades 0:7ccf0e7e8a83 131 int a;
RobMeades 0:7ccf0e7e8a83 132 int b;
RobMeades 0:7ccf0e7e8a83 133 char buf[32];
RobMeades 0:7ccf0e7e8a83 134 SockCtrl *socket;
RobMeades 0:7ccf0e7e8a83 135
RobMeades 0:7ccf0e7e8a83 136 // Note: not calling _at->recv() from here as we're
RobMeades 0:7ccf0e7e8a83 137 // already in an _at->recv()
RobMeades 0:7ccf0e7e8a83 138 // +UUSORD: <socket>,<length>
RobMeades 0:7ccf0e7e8a83 139 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 0:7ccf0e7e8a83 140 if (sscanf(buf, ": %d,%d", &a, &b) == 2) {
RobMeades 0:7ccf0e7e8a83 141 socket = find_socket(a);
RobMeades 0:7ccf0e7e8a83 142 if (socket != NULL) {
RobMeades 0:7ccf0e7e8a83 143 socket->pending = b;
RobMeades 0:7ccf0e7e8a83 144 // No debug prints here as they can affect timing
RobMeades 0:7ccf0e7e8a83 145 // and cause data loss in UARTSerial
RobMeades 0:7ccf0e7e8a83 146 if (socket->callback != NULL) {
RobMeades 0:7ccf0e7e8a83 147 socket->callback(socket->data);
RobMeades 0:7ccf0e7e8a83 148 }
RobMeades 0:7ccf0e7e8a83 149 }
RobMeades 0:7ccf0e7e8a83 150 }
RobMeades 0:7ccf0e7e8a83 151 }
RobMeades 0:7ccf0e7e8a83 152 }
RobMeades 0:7ccf0e7e8a83 153
RobMeades 0:7ccf0e7e8a83 154 // Callback for Socket Read From URC.
RobMeades 0:7ccf0e7e8a83 155 void UbloxATCellularInterface::UUSORF_URC()
RobMeades 0:7ccf0e7e8a83 156 {
RobMeades 0:7ccf0e7e8a83 157 int a;
RobMeades 0:7ccf0e7e8a83 158 int b;
RobMeades 0:7ccf0e7e8a83 159 char buf[32];
RobMeades 0:7ccf0e7e8a83 160 SockCtrl *socket;
RobMeades 0:7ccf0e7e8a83 161
RobMeades 0:7ccf0e7e8a83 162 // Note: not calling _at->recv() from here as we're
RobMeades 0:7ccf0e7e8a83 163 // already in an _at->recv()
RobMeades 0:7ccf0e7e8a83 164 // +UUSORF: <socket>,<length>
RobMeades 0:7ccf0e7e8a83 165 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 0:7ccf0e7e8a83 166 if (sscanf(buf, ": %d,%d", &a, &b) == 2) {
RobMeades 0:7ccf0e7e8a83 167 socket = find_socket(a);
RobMeades 0:7ccf0e7e8a83 168 if (socket != NULL) {
RobMeades 0:7ccf0e7e8a83 169 socket->pending = b;
RobMeades 0:7ccf0e7e8a83 170 // No debug prints here as they can affect timing
RobMeades 0:7ccf0e7e8a83 171 // and cause data loss in UARTSerial
RobMeades 0:7ccf0e7e8a83 172 if (socket->callback != NULL) {
RobMeades 0:7ccf0e7e8a83 173 socket->callback(socket->data);
RobMeades 0:7ccf0e7e8a83 174 }
RobMeades 0:7ccf0e7e8a83 175 }
RobMeades 0:7ccf0e7e8a83 176 }
RobMeades 0:7ccf0e7e8a83 177 }
RobMeades 0:7ccf0e7e8a83 178 }
RobMeades 0:7ccf0e7e8a83 179
RobMeades 0:7ccf0e7e8a83 180 // Callback for Socket Close URC.
RobMeades 0:7ccf0e7e8a83 181 void UbloxATCellularInterface::UUSOCL_URC()
RobMeades 0:7ccf0e7e8a83 182 {
RobMeades 0:7ccf0e7e8a83 183 int a;
RobMeades 0:7ccf0e7e8a83 184 char buf[32];
RobMeades 0:7ccf0e7e8a83 185 SockCtrl *socket;
RobMeades 0:7ccf0e7e8a83 186
RobMeades 0:7ccf0e7e8a83 187 // Note: not calling _at->recv() from here as we're
RobMeades 0:7ccf0e7e8a83 188 // already in an _at->recv()
RobMeades 0:7ccf0e7e8a83 189 // +UUSOCL: <socket>
RobMeades 0:7ccf0e7e8a83 190 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 0:7ccf0e7e8a83 191 if (sscanf(buf, ": %d", &a) == 1) {
RobMeades 0:7ccf0e7e8a83 192 socket = find_socket(a);
RobMeades 0:7ccf0e7e8a83 193 tr_debug("Socket 0x%08x: handle %d closed by remote host",
RobMeades 0:7ccf0e7e8a83 194 (unsigned int) socket, a);
RobMeades 0:7ccf0e7e8a83 195 clear_socket(socket);
RobMeades 0:7ccf0e7e8a83 196 }
RobMeades 0:7ccf0e7e8a83 197 }
RobMeades 0:7ccf0e7e8a83 198 }
RobMeades 0:7ccf0e7e8a83 199
RobMeades 0:7ccf0e7e8a83 200 // Callback for UUPSDD.
RobMeades 0:7ccf0e7e8a83 201 void UbloxATCellularInterface::UUPSDD_URC()
RobMeades 0:7ccf0e7e8a83 202 {
RobMeades 0:7ccf0e7e8a83 203 int a;
RobMeades 0:7ccf0e7e8a83 204 char buf[32];
RobMeades 0:7ccf0e7e8a83 205 SockCtrl *socket;
RobMeades 0:7ccf0e7e8a83 206
RobMeades 0:7ccf0e7e8a83 207 // Note: not calling _at->recv() from here as we're
RobMeades 0:7ccf0e7e8a83 208 // already in an _at->recv()
RobMeades 0:7ccf0e7e8a83 209 // +UUPSDD: <socket>
RobMeades 0:7ccf0e7e8a83 210 if (read_at_to_char(buf, sizeof (buf), '\n') > 0) {
RobMeades 0:7ccf0e7e8a83 211 if (sscanf(buf, ": %d", &a) == 1) {
RobMeades 0:7ccf0e7e8a83 212 socket = find_socket(a);
RobMeades 0:7ccf0e7e8a83 213 tr_debug("Socket 0x%08x: handle %d connection lost",
RobMeades 0:7ccf0e7e8a83 214 (unsigned int) socket, a);
RobMeades 0:7ccf0e7e8a83 215 clear_socket(socket);
RobMeades 0:7ccf0e7e8a83 216 if (_connection_status_cb) {
RobMeades 0:7ccf0e7e8a83 217 _connection_status_cb(NSAPI_ERROR_CONNECTION_LOST);
RobMeades 0:7ccf0e7e8a83 218 }
RobMeades 0:7ccf0e7e8a83 219 }
RobMeades 0:7ccf0e7e8a83 220 }
RobMeades 0:7ccf0e7e8a83 221 }
RobMeades 0:7ccf0e7e8a83 222
RobMeades 0:7ccf0e7e8a83 223 /**********************************************************************
RobMeades 0:7ccf0e7e8a83 224 * PROTECTED METHODS: GENERAL
RobMeades 0:7ccf0e7e8a83 225 **********************************************************************/
RobMeades 0:7ccf0e7e8a83 226
RobMeades 0:7ccf0e7e8a83 227 // Get the next set of credentials, based on IMSI.
rob.meades@u-blox.com 7:3b2ca10cc23a 228 void UbloxATCellularInterface::get_next_credentials(const char ** config)
RobMeades 0:7ccf0e7e8a83 229 {
rob.meades@u-blox.com 7:3b2ca10cc23a 230 if (*config) {
rob.meades@u-blox.com 7:3b2ca10cc23a 231 _apn = _APN_GET(*config);
rob.meades@u-blox.com 7:3b2ca10cc23a 232 _uname = _APN_GET(*config);
rob.meades@u-blox.com 7:3b2ca10cc23a 233 _pwd = _APN_GET(*config);
RobMeades 0:7ccf0e7e8a83 234 }
RobMeades 0:7ccf0e7e8a83 235
RobMeades 0:7ccf0e7e8a83 236 _apn = _apn ? _apn : "";
RobMeades 0:7ccf0e7e8a83 237 _uname = _uname ? _uname : "";
RobMeades 0:7ccf0e7e8a83 238 _pwd = _pwd ? _pwd : "";
RobMeades 0:7ccf0e7e8a83 239 }
RobMeades 0:7ccf0e7e8a83 240
RobMeades 0:7ccf0e7e8a83 241 // Active a connection profile on board the modem.
RobMeades 0:7ccf0e7e8a83 242 // Note: the AT interface should be locked before this is called.
RobMeades 0:7ccf0e7e8a83 243 bool UbloxATCellularInterface::activate_profile(const char* apn,
RobMeades 0:7ccf0e7e8a83 244 const char* username,
RobMeades 0:7ccf0e7e8a83 245 const char* password,
RobMeades 0:7ccf0e7e8a83 246 nsapi_security_t auth)
RobMeades 0:7ccf0e7e8a83 247 {
RobMeades 0:7ccf0e7e8a83 248 bool activated = false;
RobMeades 0:7ccf0e7e8a83 249 bool success = false;
RobMeades 0:7ccf0e7e8a83 250 int at_timeout = _at_timeout;
RobMeades 0:7ccf0e7e8a83 251 SocketAddress address;
RobMeades 0:7ccf0e7e8a83 252
RobMeades 0:7ccf0e7e8a83 253 // Set up the APN
RobMeades 0:7ccf0e7e8a83 254 if (*apn) {
RobMeades 0:7ccf0e7e8a83 255 success = _at->send("AT+UPSD=" PROFILE ",1,\"%s\"", apn) && _at->recv("OK");
RobMeades 0:7ccf0e7e8a83 256 }
RobMeades 0:7ccf0e7e8a83 257 if (success && *username) {
RobMeades 0:7ccf0e7e8a83 258 success = _at->send("AT+UPSD=" PROFILE ",2,\"%s\"", username) && _at->recv("OK");
RobMeades 0:7ccf0e7e8a83 259 }
RobMeades 0:7ccf0e7e8a83 260 if (success && *password) {
RobMeades 0:7ccf0e7e8a83 261 success = _at->send("AT+UPSD=" PROFILE ",3,\"%s\"", password) && _at->recv("OK");
RobMeades 0:7ccf0e7e8a83 262 }
RobMeades 0:7ccf0e7e8a83 263
RobMeades 0:7ccf0e7e8a83 264 if (success) {
RobMeades 0:7ccf0e7e8a83 265 // Set up dynamic IP address assignment.
RobMeades 0:7ccf0e7e8a83 266 success = _at->send("AT+UPSD=" PROFILE ",7,\"0.0.0.0\"") && _at->recv("OK");
RobMeades 0:7ccf0e7e8a83 267 // Set up the authentication protocol
RobMeades 0:7ccf0e7e8a83 268 // 0 = none
RobMeades 0:7ccf0e7e8a83 269 // 1 = PAP (Password Authentication Protocol)
RobMeades 0:7ccf0e7e8a83 270 // 2 = CHAP (Challenge Handshake Authentication Protocol)
RobMeades 0:7ccf0e7e8a83 271 for (int protocol = nsapi_security_to_modem_security(NSAPI_SECURITY_NONE);
RobMeades 0:7ccf0e7e8a83 272 success && (protocol <= nsapi_security_to_modem_security(NSAPI_SECURITY_CHAP)); protocol++) {
RobMeades 0:7ccf0e7e8a83 273 if ((_auth == NSAPI_SECURITY_UNKNOWN) || (nsapi_security_to_modem_security(_auth) == protocol)) {
RobMeades 0:7ccf0e7e8a83 274 if (_at->send("AT+UPSD=" PROFILE ",6,%d", protocol) && _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 275 // Activate, waiting 30 seconds for the connection to be made
RobMeades 0:7ccf0e7e8a83 276 at_set_timeout(30000);
RobMeades 0:7ccf0e7e8a83 277 activated = _at->send("AT+UPSDA=" PROFILE ",3") && _at->recv("OK");
RobMeades 0:7ccf0e7e8a83 278 at_set_timeout(at_timeout);
RobMeades 0:7ccf0e7e8a83 279 }
RobMeades 0:7ccf0e7e8a83 280 }
RobMeades 0:7ccf0e7e8a83 281 }
RobMeades 0:7ccf0e7e8a83 282 }
RobMeades 0:7ccf0e7e8a83 283
RobMeades 0:7ccf0e7e8a83 284 return activated;
RobMeades 0:7ccf0e7e8a83 285 }
RobMeades 0:7ccf0e7e8a83 286
RobMeades 0:7ccf0e7e8a83 287 // Activate a profile by reusing an external PDP context.
RobMeades 0:7ccf0e7e8a83 288 // Note: the AT interface should be locked before this is called.
RobMeades 0:7ccf0e7e8a83 289 bool UbloxATCellularInterface::activate_profile_reuse_external(void)
RobMeades 0:7ccf0e7e8a83 290 {
RobMeades 0:7ccf0e7e8a83 291 bool success = false;
RobMeades 0:7ccf0e7e8a83 292 int cid = -1;
RobMeades 0:7ccf0e7e8a83 293 char ip[NSAPI_IP_SIZE];
RobMeades 0:7ccf0e7e8a83 294 SocketAddress address;
RobMeades 0:7ccf0e7e8a83 295 int t;
RobMeades 0:7ccf0e7e8a83 296 int at_timeout = _at_timeout;
RobMeades 0:7ccf0e7e8a83 297
RobMeades 0:7ccf0e7e8a83 298 //+CGDCONT: <cid>,"IP","<apn name>","<ip adr>",0,0,0,0,0,0
RobMeades 0:7ccf0e7e8a83 299 if (_at->send("AT+CGDCONT?")) {
RobMeades 0:7ccf0e7e8a83 300 if (_at->recv("+CGDCONT: %d,\"IP\",\"%*[^\"]\",\"%" u_stringify(NSAPI_IP_SIZE) "[^\"]\",%*d,%*d,%*d,%*d,%*d,%*d",
RobMeades 0:7ccf0e7e8a83 301 &t, ip) &&
RobMeades 0:7ccf0e7e8a83 302 _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 303 // Check if the IP address is valid
RobMeades 0:7ccf0e7e8a83 304 if (address.set_ip_address(ip)) {
RobMeades 0:7ccf0e7e8a83 305 cid = t;
RobMeades 0:7ccf0e7e8a83 306 }
RobMeades 0:7ccf0e7e8a83 307 }
RobMeades 0:7ccf0e7e8a83 308 }
RobMeades 0:7ccf0e7e8a83 309
RobMeades 0:7ccf0e7e8a83 310 // If a context has been found, use it
RobMeades 0:7ccf0e7e8a83 311 if ((cid != -1) && (_at->send("AT+UPSD=" PROFILE ",100,%d", cid) && _at->recv("OK"))) {
RobMeades 0:7ccf0e7e8a83 312 // Activate, waiting 30 seconds for the connection to be made
RobMeades 0:7ccf0e7e8a83 313 at_set_timeout(30000);
RobMeades 0:7ccf0e7e8a83 314 success = _at->send("AT+UPSDA=" PROFILE ",3") && _at->recv("OK");
RobMeades 0:7ccf0e7e8a83 315 at_set_timeout(at_timeout);
RobMeades 0:7ccf0e7e8a83 316 }
RobMeades 0:7ccf0e7e8a83 317
RobMeades 0:7ccf0e7e8a83 318 return success;
RobMeades 0:7ccf0e7e8a83 319 }
RobMeades 0:7ccf0e7e8a83 320
RobMeades 0:7ccf0e7e8a83 321 // Activate a profile by context ID.
RobMeades 0:7ccf0e7e8a83 322 // Note: the AT interface should be locked before this is called.
RobMeades 0:7ccf0e7e8a83 323 bool UbloxATCellularInterface::activate_profile_by_cid(int cid,
RobMeades 0:7ccf0e7e8a83 324 const char* apn,
RobMeades 0:7ccf0e7e8a83 325 const char* username,
RobMeades 0:7ccf0e7e8a83 326 const char* password,
RobMeades 0:7ccf0e7e8a83 327 nsapi_security_t auth)
RobMeades 0:7ccf0e7e8a83 328 {
RobMeades 0:7ccf0e7e8a83 329 bool success = false;
RobMeades 0:7ccf0e7e8a83 330 int at_timeout = _at_timeout;
RobMeades 0:7ccf0e7e8a83 331
RobMeades 0:7ccf0e7e8a83 332 if (_at->send("AT+CGDCONT=%d,\"IP\",\"%s\"", cid, apn) && _at->recv("OK") &&
RobMeades 0:7ccf0e7e8a83 333 _at->send("AT+UAUTHREQ=%d,%d,\"%s\",\"%s\"", cid, nsapi_security_to_modem_security(auth),
RobMeades 0:7ccf0e7e8a83 334 username, password) && _at->recv("OK") &&
RobMeades 0:7ccf0e7e8a83 335 _at->send("AT+UPSD=" PROFILE ",100,%d", cid) && _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 336
RobMeades 0:7ccf0e7e8a83 337 // Wait 30 seconds for the connection to be made
RobMeades 0:7ccf0e7e8a83 338 at_set_timeout(30000);
RobMeades 0:7ccf0e7e8a83 339 // Activate the protocol
RobMeades 0:7ccf0e7e8a83 340 success = _at->send("AT+UPSDA=" PROFILE ",3") && _at->recv("OK");
RobMeades 0:7ccf0e7e8a83 341 at_set_timeout(at_timeout);
RobMeades 0:7ccf0e7e8a83 342 }
RobMeades 0:7ccf0e7e8a83 343
RobMeades 0:7ccf0e7e8a83 344 return success;
RobMeades 0:7ccf0e7e8a83 345 }
RobMeades 0:7ccf0e7e8a83 346
RobMeades 0:7ccf0e7e8a83 347 // Connect the on board IP stack of the modem.
RobMeades 0:7ccf0e7e8a83 348 bool UbloxATCellularInterface::connect_modem_stack()
RobMeades 0:7ccf0e7e8a83 349 {
RobMeades 0:7ccf0e7e8a83 350 bool success = false;
RobMeades 0:7ccf0e7e8a83 351 int active = 0;
RobMeades 0:7ccf0e7e8a83 352 const char * config = NULL;
RobMeades 0:7ccf0e7e8a83 353 LOCK();
RobMeades 0:7ccf0e7e8a83 354
RobMeades 0:7ccf0e7e8a83 355 // Check the profile
RobMeades 0:7ccf0e7e8a83 356 if (_at->send("AT+UPSND=" PROFILE ",8") && _at->recv("+UPSND: %*d,%*d,%d\n", &active) &&
RobMeades 0:7ccf0e7e8a83 357 _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 358 if (active == 0) {
RobMeades 0:7ccf0e7e8a83 359 // If the caller hasn't entered an APN, try to find it
RobMeades 0:7ccf0e7e8a83 360 if (_apn == NULL) {
RobMeades 0:7ccf0e7e8a83 361 config = apnconfig(_dev_info.imsi);
RobMeades 0:7ccf0e7e8a83 362 }
RobMeades 0:7ccf0e7e8a83 363
RobMeades 0:7ccf0e7e8a83 364 // Attempt to connect
RobMeades 0:7ccf0e7e8a83 365 do {
RobMeades 0:7ccf0e7e8a83 366 // Set up APN and IP protocol for PDP context
rob.meades@u-blox.com 7:3b2ca10cc23a 367 get_next_credentials(&config);
RobMeades 0:7ccf0e7e8a83 368 _auth = (*_uname && *_pwd) ? _auth : NSAPI_SECURITY_NONE;
RobMeades 0:7ccf0e7e8a83 369 if ((_dev_info.dev != DEV_TOBY_L2) && (_dev_info.dev != DEV_MPCI_L2)) {
RobMeades 0:7ccf0e7e8a83 370 success = activate_profile(_apn, _uname, _pwd, _auth);
RobMeades 0:7ccf0e7e8a83 371 } else {
RobMeades 0:7ccf0e7e8a83 372 success = activate_profile_reuse_external();
RobMeades 0:7ccf0e7e8a83 373 if (success) {
RobMeades 0:7ccf0e7e8a83 374 tr_debug("Reusing external context");
RobMeades 0:7ccf0e7e8a83 375 } else {
RobMeades 0:7ccf0e7e8a83 376 success = activate_profile_by_cid(1, _apn, _uname, _pwd, _auth);
RobMeades 0:7ccf0e7e8a83 377 }
RobMeades 0:7ccf0e7e8a83 378 }
RobMeades 0:7ccf0e7e8a83 379 } while (!success && config && *config);
RobMeades 0:7ccf0e7e8a83 380 } else {
RobMeades 0:7ccf0e7e8a83 381 // If the profile is already active, we're good
RobMeades 0:7ccf0e7e8a83 382 success = true;
RobMeades 0:7ccf0e7e8a83 383 }
RobMeades 0:7ccf0e7e8a83 384 }
RobMeades 0:7ccf0e7e8a83 385
RobMeades 0:7ccf0e7e8a83 386 if (!success) {
RobMeades 0:7ccf0e7e8a83 387 tr_error("Failed to connect, check your APN/username/password");
RobMeades 0:7ccf0e7e8a83 388 }
RobMeades 0:7ccf0e7e8a83 389
RobMeades 0:7ccf0e7e8a83 390 UNLOCK();
RobMeades 0:7ccf0e7e8a83 391 return success;
RobMeades 0:7ccf0e7e8a83 392 }
RobMeades 0:7ccf0e7e8a83 393
RobMeades 0:7ccf0e7e8a83 394 // Disconnect the on board IP stack of the modem.
RobMeades 0:7ccf0e7e8a83 395 bool UbloxATCellularInterface::disconnect_modem_stack()
RobMeades 0:7ccf0e7e8a83 396 {
RobMeades 0:7ccf0e7e8a83 397 bool success = false;
RobMeades 0:7ccf0e7e8a83 398 LOCK();
RobMeades 0:7ccf0e7e8a83 399
RobMeades 0:7ccf0e7e8a83 400 if (get_ip_address() != NULL) {
RobMeades 0:7ccf0e7e8a83 401 if (_at->send("AT+UPSDA=" PROFILE ",4") && _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 402 success = true;
RobMeades 0:7ccf0e7e8a83 403 if (_connection_status_cb) {
RobMeades 0:7ccf0e7e8a83 404 _connection_status_cb(NSAPI_ERROR_CONNECTION_LOST);
RobMeades 0:7ccf0e7e8a83 405 }
RobMeades 0:7ccf0e7e8a83 406 }
RobMeades 0:7ccf0e7e8a83 407 }
RobMeades 0:7ccf0e7e8a83 408
RobMeades 0:7ccf0e7e8a83 409 UNLOCK();
RobMeades 0:7ccf0e7e8a83 410 return success;
RobMeades 0:7ccf0e7e8a83 411 }
RobMeades 0:7ccf0e7e8a83 412
RobMeades 0:7ccf0e7e8a83 413 /**********************************************************************
RobMeades 0:7ccf0e7e8a83 414 * PROTECTED METHODS: NETWORK INTERFACE and SOCKETS
RobMeades 0:7ccf0e7e8a83 415 **********************************************************************/
RobMeades 0:7ccf0e7e8a83 416
RobMeades 0:7ccf0e7e8a83 417 // Gain access to us.
RobMeades 0:7ccf0e7e8a83 418 NetworkStack *UbloxATCellularInterface::get_stack()
RobMeades 0:7ccf0e7e8a83 419 {
RobMeades 0:7ccf0e7e8a83 420 return this;
RobMeades 0:7ccf0e7e8a83 421 }
RobMeades 0:7ccf0e7e8a83 422
RobMeades 0:7ccf0e7e8a83 423 // Create a socket.
RobMeades 0:7ccf0e7e8a83 424 nsapi_error_t UbloxATCellularInterface::socket_open(nsapi_socket_t *handle,
RobMeades 0:7ccf0e7e8a83 425 nsapi_protocol_t proto)
RobMeades 0:7ccf0e7e8a83 426 {
RobMeades 0:7ccf0e7e8a83 427 nsapi_error_t nsapi_error = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 428 bool success = false;
RobMeades 0:7ccf0e7e8a83 429 int modem_handle;
RobMeades 0:7ccf0e7e8a83 430 SockCtrl *socket;
RobMeades 0:7ccf0e7e8a83 431 LOCK();
RobMeades 0:7ccf0e7e8a83 432
RobMeades 0:7ccf0e7e8a83 433 // Find a free socket
RobMeades 0:7ccf0e7e8a83 434 socket = find_socket();
RobMeades 0:7ccf0e7e8a83 435 tr_debug("socket_open(%d)", proto);
RobMeades 0:7ccf0e7e8a83 436
RobMeades 0:7ccf0e7e8a83 437 if (socket != NULL) {
RobMeades 0:7ccf0e7e8a83 438 if (proto == NSAPI_UDP) {
RobMeades 0:7ccf0e7e8a83 439 success = _at->send("AT+USOCR=17");
RobMeades 0:7ccf0e7e8a83 440 } else if (proto == NSAPI_TCP) {
RobMeades 0:7ccf0e7e8a83 441 success = _at->send("AT+USOCR=6");
RobMeades 0:7ccf0e7e8a83 442 } else {
RobMeades 0:7ccf0e7e8a83 443 nsapi_error = NSAPI_ERROR_UNSUPPORTED;
RobMeades 0:7ccf0e7e8a83 444 }
RobMeades 0:7ccf0e7e8a83 445
RobMeades 0:7ccf0e7e8a83 446 if (success) {
RobMeades 0:7ccf0e7e8a83 447 nsapi_error = NSAPI_ERROR_NO_SOCKET;
RobMeades 0:7ccf0e7e8a83 448 if (_at->recv("+USOCR: %d\n", &modem_handle) && (modem_handle != SOCKET_UNUSED) &&
RobMeades 0:7ccf0e7e8a83 449 _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 450 tr_debug("Socket 0x%8x: handle %d was created", (unsigned int) socket, modem_handle);
RobMeades 0:7ccf0e7e8a83 451 clear_socket(socket);
RobMeades 0:7ccf0e7e8a83 452 socket->modem_handle = modem_handle;
RobMeades 0:7ccf0e7e8a83 453 *handle = (nsapi_socket_t) socket;
RobMeades 0:7ccf0e7e8a83 454 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 455 }
RobMeades 0:7ccf0e7e8a83 456 }
RobMeades 0:7ccf0e7e8a83 457 } else {
RobMeades 0:7ccf0e7e8a83 458 nsapi_error = NSAPI_ERROR_NO_MEMORY;
RobMeades 0:7ccf0e7e8a83 459 }
RobMeades 0:7ccf0e7e8a83 460
RobMeades 0:7ccf0e7e8a83 461 UNLOCK();
RobMeades 0:7ccf0e7e8a83 462 return nsapi_error;
RobMeades 0:7ccf0e7e8a83 463 }
RobMeades 0:7ccf0e7e8a83 464
RobMeades 0:7ccf0e7e8a83 465 // Close a socket.
RobMeades 0:7ccf0e7e8a83 466 nsapi_error_t UbloxATCellularInterface::socket_close(nsapi_socket_t handle)
RobMeades 0:7ccf0e7e8a83 467 {
RobMeades 0:7ccf0e7e8a83 468 nsapi_error_t nsapi_error = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 469 SockCtrl *socket = (SockCtrl *) handle;
RobMeades 0:7ccf0e7e8a83 470 LOCK();
RobMeades 0:7ccf0e7e8a83 471
RobMeades 0:7ccf0e7e8a83 472 tr_debug("socket_close(0x%08x)", (unsigned int) handle);
RobMeades 0:7ccf0e7e8a83 473
RobMeades 0:7ccf0e7e8a83 474 MBED_ASSERT (check_socket(socket));
RobMeades 0:7ccf0e7e8a83 475
RobMeades 0:7ccf0e7e8a83 476 if (_at->send("AT+USOCL=%d", socket->modem_handle) &&
RobMeades 0:7ccf0e7e8a83 477 _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 478 clear_socket(socket);
RobMeades 0:7ccf0e7e8a83 479 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 480 }
RobMeades 0:7ccf0e7e8a83 481
RobMeades 0:7ccf0e7e8a83 482 UNLOCK();
RobMeades 0:7ccf0e7e8a83 483 return nsapi_error;
RobMeades 0:7ccf0e7e8a83 484 }
RobMeades 0:7ccf0e7e8a83 485
RobMeades 0:7ccf0e7e8a83 486 // Bind a local port to a socket.
RobMeades 0:7ccf0e7e8a83 487 nsapi_error_t UbloxATCellularInterface::socket_bind(nsapi_socket_t handle,
RobMeades 0:7ccf0e7e8a83 488 const SocketAddress &address)
RobMeades 0:7ccf0e7e8a83 489 {
RobMeades 0:7ccf0e7e8a83 490 nsapi_error_t nsapi_error = NSAPI_ERROR_NO_SOCKET;
RobMeades 0:7ccf0e7e8a83 491 int proto;
RobMeades 0:7ccf0e7e8a83 492 int modem_handle;
RobMeades 0:7ccf0e7e8a83 493 SockCtrl savedSocket;
RobMeades 0:7ccf0e7e8a83 494 SockCtrl *socket = (SockCtrl *) handle;
RobMeades 0:7ccf0e7e8a83 495 LOCK();
RobMeades 0:7ccf0e7e8a83 496
RobMeades 0:7ccf0e7e8a83 497 tr_debug("socket_bind(0x%08x, :%d)", (unsigned int) handle, address.get_port());
RobMeades 0:7ccf0e7e8a83 498
RobMeades 0:7ccf0e7e8a83 499 MBED_ASSERT (check_socket(socket));
RobMeades 0:7ccf0e7e8a83 500
RobMeades 0:7ccf0e7e8a83 501 // Query the socket type
RobMeades 0:7ccf0e7e8a83 502 if (_at->send("AT+USOCTL=%d,0", socket->modem_handle) &&
RobMeades 0:7ccf0e7e8a83 503 _at->recv("+USOCTL: %*d,0,%d\n", &proto) &&
RobMeades 0:7ccf0e7e8a83 504 _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 505 savedSocket = *socket;
RobMeades 0:7ccf0e7e8a83 506 nsapi_error = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 507 // Now close the socket and re-open it with the binding given
RobMeades 0:7ccf0e7e8a83 508 if (_at->send("AT+USOCL=%d", socket->modem_handle) &&
RobMeades 0:7ccf0e7e8a83 509 _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 510 clear_socket(socket);
RobMeades 0:7ccf0e7e8a83 511 nsapi_error = NSAPI_ERROR_CONNECTION_LOST;
RobMeades 0:7ccf0e7e8a83 512 if (_at->send("AT+USOCR=%d,%d", proto, address.get_port()) &&
RobMeades 0:7ccf0e7e8a83 513 _at->recv("+USOCR: %d\n", &modem_handle) && (modem_handle != SOCKET_UNUSED) &&
RobMeades 0:7ccf0e7e8a83 514 _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 515 *socket = savedSocket;
RobMeades 0:7ccf0e7e8a83 516 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 517 }
RobMeades 0:7ccf0e7e8a83 518 }
RobMeades 0:7ccf0e7e8a83 519 }
RobMeades 0:7ccf0e7e8a83 520
RobMeades 0:7ccf0e7e8a83 521 UNLOCK();
RobMeades 0:7ccf0e7e8a83 522 return nsapi_error;
RobMeades 0:7ccf0e7e8a83 523 }
RobMeades 0:7ccf0e7e8a83 524
RobMeades 0:7ccf0e7e8a83 525 // Connect to a socket
RobMeades 0:7ccf0e7e8a83 526 nsapi_error_t UbloxATCellularInterface::socket_connect(nsapi_socket_t handle,
RobMeades 0:7ccf0e7e8a83 527 const SocketAddress &address)
RobMeades 0:7ccf0e7e8a83 528 {
RobMeades 0:7ccf0e7e8a83 529 nsapi_error_t nsapi_error = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 530 SockCtrl *socket = (SockCtrl *) handle;
RobMeades 0:7ccf0e7e8a83 531 LOCK();
RobMeades 0:7ccf0e7e8a83 532
RobMeades 0:7ccf0e7e8a83 533 tr_debug("socket_connect(0x%08x, %s(:%d))", (unsigned int) handle,
RobMeades 0:7ccf0e7e8a83 534 address.get_ip_address(), address.get_port());
RobMeades 0:7ccf0e7e8a83 535
RobMeades 0:7ccf0e7e8a83 536 MBED_ASSERT (check_socket(socket));
RobMeades 0:7ccf0e7e8a83 537
RobMeades 0:7ccf0e7e8a83 538 if (_at->send("AT+USOCO=%d,\"%s\",%d", socket->modem_handle,
RobMeades 0:7ccf0e7e8a83 539 address.get_ip_address(), address.get_port()) &&
RobMeades 0:7ccf0e7e8a83 540 _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 541 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 542 }
RobMeades 0:7ccf0e7e8a83 543
RobMeades 0:7ccf0e7e8a83 544 UNLOCK();
RobMeades 0:7ccf0e7e8a83 545 return nsapi_error;
RobMeades 0:7ccf0e7e8a83 546 }
RobMeades 0:7ccf0e7e8a83 547
RobMeades 0:7ccf0e7e8a83 548 // Send to a socket.
RobMeades 0:7ccf0e7e8a83 549 nsapi_size_or_error_t UbloxATCellularInterface::socket_send(nsapi_socket_t handle,
RobMeades 0:7ccf0e7e8a83 550 const void *data,
RobMeades 0:7ccf0e7e8a83 551 nsapi_size_t size)
RobMeades 0:7ccf0e7e8a83 552 {
RobMeades 0:7ccf0e7e8a83 553 nsapi_size_or_error_t nsapi_error_size = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 554 bool success = true;
RobMeades 0:7ccf0e7e8a83 555 const char *buf = (const char *) data;
RobMeades 0:7ccf0e7e8a83 556 nsapi_size_t blk = MAX_WRITE_SIZE;
RobMeades 0:7ccf0e7e8a83 557 nsapi_size_t count = size;
RobMeades 0:7ccf0e7e8a83 558 SockCtrl *socket = (SockCtrl *) handle;
RobMeades 0:7ccf0e7e8a83 559
RobMeades 0:7ccf0e7e8a83 560 tr_debug("socket_send(0x%08x, 0x%08x, %d)", (unsigned int) handle, (unsigned int) data, size);
RobMeades 0:7ccf0e7e8a83 561
RobMeades 0:7ccf0e7e8a83 562 MBED_ASSERT (check_socket(socket));
RobMeades 0:7ccf0e7e8a83 563
RobMeades 0:7ccf0e7e8a83 564 while ((count > 0) && success) {
RobMeades 0:7ccf0e7e8a83 565 if (count < blk) {
RobMeades 0:7ccf0e7e8a83 566 blk = count;
RobMeades 0:7ccf0e7e8a83 567 }
RobMeades 0:7ccf0e7e8a83 568 LOCK();
RobMeades 0:7ccf0e7e8a83 569
RobMeades 0:7ccf0e7e8a83 570 if (_at->send("AT+USOWR=%d,%d", socket->modem_handle, blk) && _at->recv("@")) {
RobMeades 0:7ccf0e7e8a83 571 wait_ms(50);
RobMeades 0:7ccf0e7e8a83 572 if ((_at->write(buf, blk) < (int) blk) ||
RobMeades 0:7ccf0e7e8a83 573 !_at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 574 success = false;
RobMeades 0:7ccf0e7e8a83 575 }
RobMeades 0:7ccf0e7e8a83 576 } else {
RobMeades 0:7ccf0e7e8a83 577 success = false;
RobMeades 0:7ccf0e7e8a83 578 }
RobMeades 0:7ccf0e7e8a83 579
RobMeades 0:7ccf0e7e8a83 580 UNLOCK();
RobMeades 0:7ccf0e7e8a83 581 buf += blk;
RobMeades 0:7ccf0e7e8a83 582 count -= blk;
RobMeades 0:7ccf0e7e8a83 583 }
RobMeades 0:7ccf0e7e8a83 584
RobMeades 0:7ccf0e7e8a83 585 if (success) {
RobMeades 0:7ccf0e7e8a83 586 nsapi_error_size = size - count;
RobMeades 0:7ccf0e7e8a83 587 if (_debug_trace_on) {
RobMeades 0:7ccf0e7e8a83 588 tr_debug("socket_send: %d \"%*.*s\"", size, size, size, (char *) data);
RobMeades 0:7ccf0e7e8a83 589 }
RobMeades 0:7ccf0e7e8a83 590 }
RobMeades 0:7ccf0e7e8a83 591
RobMeades 0:7ccf0e7e8a83 592 return nsapi_error_size;
RobMeades 0:7ccf0e7e8a83 593 }
RobMeades 0:7ccf0e7e8a83 594
RobMeades 0:7ccf0e7e8a83 595 // Send to an IP address.
RobMeades 0:7ccf0e7e8a83 596 nsapi_size_or_error_t UbloxATCellularInterface::socket_sendto(nsapi_socket_t handle,
RobMeades 0:7ccf0e7e8a83 597 const SocketAddress &address,
RobMeades 0:7ccf0e7e8a83 598 const void *data,
RobMeades 0:7ccf0e7e8a83 599 nsapi_size_t size)
RobMeades 0:7ccf0e7e8a83 600 {
RobMeades 0:7ccf0e7e8a83 601 nsapi_size_or_error_t nsapi_error_size = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 602 bool success = true;
RobMeades 0:7ccf0e7e8a83 603 const char *buf = (const char *) data;
RobMeades 0:7ccf0e7e8a83 604 nsapi_size_t blk = MAX_WRITE_SIZE;
RobMeades 0:7ccf0e7e8a83 605 nsapi_size_t count = size;
RobMeades 0:7ccf0e7e8a83 606 SockCtrl *socket = (SockCtrl *) handle;
RobMeades 0:7ccf0e7e8a83 607
RobMeades 0:7ccf0e7e8a83 608 tr_debug("socket_sendto(0x%8x, %s(:%d), 0x%08x, %d)", (unsigned int) handle,
RobMeades 0:7ccf0e7e8a83 609 address.get_ip_address(), address.get_port(), (unsigned int) data, size);
RobMeades 0:7ccf0e7e8a83 610
RobMeades 0:7ccf0e7e8a83 611 MBED_ASSERT (check_socket(socket));
RobMeades 0:7ccf0e7e8a83 612
RobMeades 0:7ccf0e7e8a83 613 if (size > MAX_WRITE_SIZE) {
RobMeades 0:7ccf0e7e8a83 614 tr_warn("WARNING: packet length %d is too big for one UDP packet (max %d), will be fragmented.", size, MAX_WRITE_SIZE);
RobMeades 0:7ccf0e7e8a83 615 }
RobMeades 0:7ccf0e7e8a83 616
RobMeades 0:7ccf0e7e8a83 617 while ((count > 0) && success) {
RobMeades 0:7ccf0e7e8a83 618 if (count < blk) {
RobMeades 0:7ccf0e7e8a83 619 blk = count;
RobMeades 0:7ccf0e7e8a83 620 }
RobMeades 0:7ccf0e7e8a83 621 LOCK();
RobMeades 0:7ccf0e7e8a83 622
RobMeades 0:7ccf0e7e8a83 623 if (_at->send("AT+USOST=%d,\"%s\",%d,%d", socket->modem_handle,
RobMeades 0:7ccf0e7e8a83 624 address.get_ip_address(), address.get_port(), blk) &&
RobMeades 0:7ccf0e7e8a83 625 _at->recv("@")) {
RobMeades 0:7ccf0e7e8a83 626 wait_ms(50);
RobMeades 0:7ccf0e7e8a83 627 if ((_at->write(buf, blk) >= (int) blk) &&
RobMeades 0:7ccf0e7e8a83 628 _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 629 } else {
RobMeades 0:7ccf0e7e8a83 630 success = false;
RobMeades 0:7ccf0e7e8a83 631 }
RobMeades 0:7ccf0e7e8a83 632 } else {
RobMeades 0:7ccf0e7e8a83 633 success = false;
RobMeades 0:7ccf0e7e8a83 634 }
RobMeades 0:7ccf0e7e8a83 635
RobMeades 0:7ccf0e7e8a83 636 UNLOCK();
RobMeades 0:7ccf0e7e8a83 637 buf += blk;
RobMeades 0:7ccf0e7e8a83 638 count -= blk;
RobMeades 0:7ccf0e7e8a83 639 }
RobMeades 0:7ccf0e7e8a83 640
RobMeades 0:7ccf0e7e8a83 641 if (success) {
RobMeades 0:7ccf0e7e8a83 642 nsapi_error_size = size - count;
RobMeades 0:7ccf0e7e8a83 643 if (_debug_trace_on) {
RobMeades 0:7ccf0e7e8a83 644 tr_debug("socket_sendto: %d \"%*.*s\"", size, size, size, (char *) data);
RobMeades 0:7ccf0e7e8a83 645 }
RobMeades 0:7ccf0e7e8a83 646 }
RobMeades 0:7ccf0e7e8a83 647
RobMeades 0:7ccf0e7e8a83 648 return nsapi_error_size;
RobMeades 0:7ccf0e7e8a83 649 }
RobMeades 0:7ccf0e7e8a83 650
RobMeades 0:7ccf0e7e8a83 651 // Receive from a socket, TCP style.
RobMeades 0:7ccf0e7e8a83 652 nsapi_size_or_error_t UbloxATCellularInterface::socket_recv(nsapi_socket_t handle,
RobMeades 0:7ccf0e7e8a83 653 void *data,
RobMeades 0:7ccf0e7e8a83 654 nsapi_size_t size)
RobMeades 0:7ccf0e7e8a83 655 {
RobMeades 0:7ccf0e7e8a83 656 nsapi_size_or_error_t nsapi_error_size = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 657 bool success = true;
RobMeades 0:7ccf0e7e8a83 658 char *buf = (char *) data;
RobMeades 0:7ccf0e7e8a83 659 nsapi_size_t read_blk;
RobMeades 0:7ccf0e7e8a83 660 nsapi_size_t count = 0;
RobMeades 0:7ccf0e7e8a83 661 unsigned int usord_sz;
RobMeades 0:7ccf0e7e8a83 662 int read_sz;
RobMeades 0:7ccf0e7e8a83 663 Timer timer;
RobMeades 0:7ccf0e7e8a83 664 SockCtrl *socket = (SockCtrl *) handle;
RobMeades 0:7ccf0e7e8a83 665 int at_timeout;
RobMeades 0:7ccf0e7e8a83 666
RobMeades 0:7ccf0e7e8a83 667 tr_debug("socket_recv(0x%08x, 0x%08x, %d)",
RobMeades 0:7ccf0e7e8a83 668 (unsigned int) handle, (unsigned int) data, size);
RobMeades 0:7ccf0e7e8a83 669
RobMeades 0:7ccf0e7e8a83 670 MBED_ASSERT (check_socket(socket));
RobMeades 0:7ccf0e7e8a83 671
RobMeades 0:7ccf0e7e8a83 672 timer.start();
RobMeades 0:7ccf0e7e8a83 673
RobMeades 0:7ccf0e7e8a83 674 while (success && (size > 0)) {
RobMeades 0:7ccf0e7e8a83 675 LOCK();
RobMeades 0:7ccf0e7e8a83 676 at_timeout = _at_timeout;
RobMeades 0:7ccf0e7e8a83 677 at_set_timeout(1000);
RobMeades 0:7ccf0e7e8a83 678
RobMeades 0:7ccf0e7e8a83 679 read_blk = MAX_READ_SIZE;
RobMeades 0:7ccf0e7e8a83 680 if (read_blk > size) {
RobMeades 0:7ccf0e7e8a83 681 read_blk = size;
RobMeades 0:7ccf0e7e8a83 682 }
RobMeades 0:7ccf0e7e8a83 683 if (socket->pending > 0) {
RobMeades 0:7ccf0e7e8a83 684 tr_debug("Socket 0x%08x: modem handle %d has %d byte(s) pending",
RobMeades 0:7ccf0e7e8a83 685 (unsigned int) socket, socket->modem_handle, socket->pending);
RobMeades 0:7ccf0e7e8a83 686 _at->debug_on(false); // ABSOLUTELY no time for debug here if you want to
RobMeades 0:7ccf0e7e8a83 687 // be able to read packets of any size without
RobMeades 0:7ccf0e7e8a83 688 // losing characters in UARTSerial
RobMeades 0:7ccf0e7e8a83 689 if (_at->send("AT+USORD=%d,%d", socket->modem_handle, read_blk) &&
RobMeades 0:7ccf0e7e8a83 690 _at->recv("+USORD: %*d,%d,\"", &usord_sz)) {
RobMeades 10:ba18f4418ee8 691 // Must use what +USORD returns here as it may be less or more than we asked for
RobMeades 10:ba18f4418ee8 692 if (usord_sz > socket->pending) {
RobMeades 10:ba18f4418ee8 693 socket->pending = 0;
RobMeades 10:ba18f4418ee8 694 } else {
RobMeades 10:ba18f4418ee8 695 socket->pending -= usord_sz;
RobMeades 10:ba18f4418ee8 696 }
RobMeades 0:7ccf0e7e8a83 697 // Note: insert no debug between _at->recv() and _at->read(), no time...
RobMeades 0:7ccf0e7e8a83 698 if (usord_sz > size) {
RobMeades 0:7ccf0e7e8a83 699 usord_sz = size;
RobMeades 0:7ccf0e7e8a83 700 }
RobMeades 0:7ccf0e7e8a83 701 read_sz = _at->read(buf, usord_sz);
RobMeades 0:7ccf0e7e8a83 702 if (read_sz > 0) {
RobMeades 0:7ccf0e7e8a83 703 tr_debug("...read %d byte(s) from modem handle %d...", read_sz,
RobMeades 0:7ccf0e7e8a83 704 socket->modem_handle);
RobMeades 0:7ccf0e7e8a83 705 if (_debug_trace_on) {
RobMeades 0:7ccf0e7e8a83 706 tr_debug("Read returned %d, |%*.*s|", read_sz, read_sz, read_sz, buf);
RobMeades 0:7ccf0e7e8a83 707 }
RobMeades 0:7ccf0e7e8a83 708 count += read_sz;
RobMeades 0:7ccf0e7e8a83 709 buf += read_sz;
RobMeades 0:7ccf0e7e8a83 710 size -= read_sz;
RobMeades 0:7ccf0e7e8a83 711 } else {
RobMeades 0:7ccf0e7e8a83 712 // read() should not fail
RobMeades 0:7ccf0e7e8a83 713 success = false;
RobMeades 0:7ccf0e7e8a83 714 }
RobMeades 0:7ccf0e7e8a83 715 tr_debug("Socket 0x%08x: modem handle %d now has only %d byte(s) pending",
RobMeades 0:7ccf0e7e8a83 716 (unsigned int) socket, socket->modem_handle, socket->pending);
RobMeades 0:7ccf0e7e8a83 717 // Wait for the "OK" before continuing
RobMeades 0:7ccf0e7e8a83 718 _at->recv("OK");
RobMeades 0:7ccf0e7e8a83 719 } else {
RobMeades 0:7ccf0e7e8a83 720 // Should never fail to do _at->send()/_at->recv()
RobMeades 0:7ccf0e7e8a83 721 success = false;
RobMeades 0:7ccf0e7e8a83 722 }
RobMeades 0:7ccf0e7e8a83 723 _at->debug_on(_debug_trace_on);
RobMeades 0:7ccf0e7e8a83 724 } else if (timer.read_ms() < SOCKET_TIMEOUT) {
RobMeades 0:7ccf0e7e8a83 725 // Wait for URCs
RobMeades 0:7ccf0e7e8a83 726 _at->recv(UNNATURAL_STRING);
RobMeades 0:7ccf0e7e8a83 727 } else {
RobMeades 0:7ccf0e7e8a83 728 if (count == 0) {
RobMeades 0:7ccf0e7e8a83 729 // Timeout with nothing received
RobMeades 0:7ccf0e7e8a83 730 nsapi_error_size = NSAPI_ERROR_WOULD_BLOCK;
RobMeades 0:7ccf0e7e8a83 731 success = false;
RobMeades 0:7ccf0e7e8a83 732 }
RobMeades 0:7ccf0e7e8a83 733 size = 0; // This simply to cause an exit
RobMeades 0:7ccf0e7e8a83 734 }
RobMeades 0:7ccf0e7e8a83 735
RobMeades 0:7ccf0e7e8a83 736 at_set_timeout(at_timeout);
RobMeades 0:7ccf0e7e8a83 737 UNLOCK();
RobMeades 0:7ccf0e7e8a83 738 }
RobMeades 0:7ccf0e7e8a83 739 timer.stop();
RobMeades 0:7ccf0e7e8a83 740
RobMeades 0:7ccf0e7e8a83 741 if (success) {
RobMeades 0:7ccf0e7e8a83 742 nsapi_error_size = count;
RobMeades 0:7ccf0e7e8a83 743 }
RobMeades 0:7ccf0e7e8a83 744
RobMeades 0:7ccf0e7e8a83 745 if (_debug_trace_on) {
RobMeades 0:7ccf0e7e8a83 746 tr_debug("socket_recv: %d \"%*.*s\"", count, count, count, buf - count);
RobMeades 0:7ccf0e7e8a83 747 } else {
RobMeades 0:7ccf0e7e8a83 748 tr_debug("socket_recv: received %d byte(s)", count);
RobMeades 0:7ccf0e7e8a83 749 }
RobMeades 0:7ccf0e7e8a83 750
RobMeades 0:7ccf0e7e8a83 751 return nsapi_error_size;
RobMeades 0:7ccf0e7e8a83 752 }
RobMeades 0:7ccf0e7e8a83 753
RobMeades 0:7ccf0e7e8a83 754 // Receive a packet over a UDP socket.
RobMeades 0:7ccf0e7e8a83 755 nsapi_size_or_error_t UbloxATCellularInterface::socket_recvfrom(nsapi_socket_t handle,
RobMeades 0:7ccf0e7e8a83 756 SocketAddress *address,
RobMeades 0:7ccf0e7e8a83 757 void *data,
RobMeades 0:7ccf0e7e8a83 758 nsapi_size_t size)
RobMeades 0:7ccf0e7e8a83 759 {
RobMeades 0:7ccf0e7e8a83 760 nsapi_size_or_error_t nsapi_error_size = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 761 bool success = true;
RobMeades 0:7ccf0e7e8a83 762 char *buf = (char *) data;
RobMeades 0:7ccf0e7e8a83 763 nsapi_size_t read_blk;
RobMeades 0:7ccf0e7e8a83 764 nsapi_size_t count = 0;
RobMeades 0:7ccf0e7e8a83 765 char ipAddress[NSAPI_IP_SIZE];
RobMeades 0:7ccf0e7e8a83 766 int port;
RobMeades 0:7ccf0e7e8a83 767 unsigned int usorf_sz;
RobMeades 0:7ccf0e7e8a83 768 int read_sz;
RobMeades 0:7ccf0e7e8a83 769 Timer timer;
RobMeades 0:7ccf0e7e8a83 770 SockCtrl *socket = (SockCtrl *) handle;
RobMeades 0:7ccf0e7e8a83 771 int at_timeout;
RobMeades 0:7ccf0e7e8a83 772
RobMeades 0:7ccf0e7e8a83 773 tr_debug("socket_recvfrom(0x%08x, 0x%08x, %d)",
RobMeades 0:7ccf0e7e8a83 774 (unsigned int) handle, (unsigned int) data, size);
RobMeades 0:7ccf0e7e8a83 775
RobMeades 0:7ccf0e7e8a83 776 MBED_ASSERT (check_socket(socket));
RobMeades 0:7ccf0e7e8a83 777
RobMeades 0:7ccf0e7e8a83 778 timer.start();
RobMeades 0:7ccf0e7e8a83 779
RobMeades 0:7ccf0e7e8a83 780 while (success && (size > 0)) {
RobMeades 0:7ccf0e7e8a83 781 LOCK();
RobMeades 0:7ccf0e7e8a83 782 at_timeout = _at_timeout;
RobMeades 0:7ccf0e7e8a83 783 at_set_timeout(1000);
RobMeades 0:7ccf0e7e8a83 784
RobMeades 0:7ccf0e7e8a83 785 read_blk = MAX_READ_SIZE;
RobMeades 0:7ccf0e7e8a83 786 if (read_blk > size) {
RobMeades 0:7ccf0e7e8a83 787 read_blk = size;
RobMeades 0:7ccf0e7e8a83 788 }
RobMeades 0:7ccf0e7e8a83 789 if (socket->pending > 0) {
RobMeades 0:7ccf0e7e8a83 790 tr_debug("Socket 0x%08x: modem handle %d has %d byte(s) pending",
RobMeades 0:7ccf0e7e8a83 791 (unsigned int) socket, socket->modem_handle, socket->pending);
RobMeades 0:7ccf0e7e8a83 792 memset (ipAddress, 0, sizeof (ipAddress)); // Ensure terminator
RobMeades 0:7ccf0e7e8a83 793
RobMeades 0:7ccf0e7e8a83 794 // Note: the maximum length of UDP packet we can receive comes from
RobMeades 0:7ccf0e7e8a83 795 // fitting all of the following into one buffer:
RobMeades 0:7ccf0e7e8a83 796 //
RobMeades 0:7ccf0e7e8a83 797 // +USORF: xx,"max.len.ip.address.ipv4.or.ipv6",yyyyy,wwww,"the_data"\r\n
RobMeades 0:7ccf0e7e8a83 798 //
RobMeades 0:7ccf0e7e8a83 799 // where xx is the handle, max.len.ip.address.ipv4.or.ipv6 is NSAPI_IP_SIZE,
RobMeades 0:7ccf0e7e8a83 800 // yyyyy is the port number (max 65536), wwww is the length of the data and
RobMeades 0:7ccf0e7e8a83 801 // the_data is binary data. I make that 29 + 48 + len(the_data),
RobMeades 0:7ccf0e7e8a83 802 // so the overhead is 77 bytes.
RobMeades 0:7ccf0e7e8a83 803
RobMeades 0:7ccf0e7e8a83 804 _at->debug_on(false); // ABSOLUTELY no time for debug here if you want to
RobMeades 0:7ccf0e7e8a83 805 // be able to read packets of any size without
RobMeades 0:7ccf0e7e8a83 806 // losing characters in UARTSerial
RobMeades 0:7ccf0e7e8a83 807 if (_at->send("AT+USORF=%d,%d", socket->modem_handle, read_blk) &&
RobMeades 0:7ccf0e7e8a83 808 _at->recv("+USORF: %*d,\"%" u_stringify(NSAPI_IP_SIZE) "[^\"]\",%d,%d,\"",
RobMeades 0:7ccf0e7e8a83 809 ipAddress, &port, &usorf_sz)) {
RobMeades 10:ba18f4418ee8 810 // Must use what +USORF returns here as it may be less or more than we asked for
RobMeades 10:ba18f4418ee8 811 if (usorf_sz > socket->pending) {
RobMeades 10:ba18f4418ee8 812 socket->pending = 0;
RobMeades 10:ba18f4418ee8 813 } else {
RobMeades 10:ba18f4418ee8 814 socket->pending -= usorf_sz;
RobMeades 10:ba18f4418ee8 815 }
RobMeades 0:7ccf0e7e8a83 816 // Note: insert no debug between _at->recv() and _at->read(), no time...
RobMeades 0:7ccf0e7e8a83 817 if (usorf_sz > size) {
RobMeades 0:7ccf0e7e8a83 818 usorf_sz = size;
RobMeades 0:7ccf0e7e8a83 819 }
RobMeades 0:7ccf0e7e8a83 820 read_sz = _at->read(buf, usorf_sz);
RobMeades 0:7ccf0e7e8a83 821 if (read_sz > 0) {
RobMeades 0:7ccf0e7e8a83 822 address->set_ip_address(ipAddress);
RobMeades 0:7ccf0e7e8a83 823 address->set_port(port);
RobMeades 0:7ccf0e7e8a83 824 tr_debug("...read %d byte(s) from modem handle %d...", read_sz,
RobMeades 0:7ccf0e7e8a83 825 socket->modem_handle);
RobMeades 0:7ccf0e7e8a83 826 if (_debug_trace_on) {
RobMeades 0:7ccf0e7e8a83 827 tr_debug("Read returned %d, |%*.*s|", read_sz, read_sz, read_sz, buf);
RobMeades 0:7ccf0e7e8a83 828 }
RobMeades 0:7ccf0e7e8a83 829 count += read_sz;
RobMeades 0:7ccf0e7e8a83 830 buf += read_sz;
RobMeades 0:7ccf0e7e8a83 831 size -= read_sz;
RobMeades 0:7ccf0e7e8a83 832 if ((usorf_sz < read_blk) || (usorf_sz == MAX_READ_SIZE)) {
RobMeades 0:7ccf0e7e8a83 833 size = 0; // If we've received less than we asked for, or
RobMeades 0:7ccf0e7e8a83 834 // the max size, then a whole UDP packet has arrived and
RobMeades 0:7ccf0e7e8a83 835 // this means DONE.
RobMeades 0:7ccf0e7e8a83 836 }
RobMeades 0:7ccf0e7e8a83 837 } else {
RobMeades 0:7ccf0e7e8a83 838 // read() should not fail
RobMeades 0:7ccf0e7e8a83 839 success = false;
RobMeades 0:7ccf0e7e8a83 840 }
RobMeades 0:7ccf0e7e8a83 841 tr_debug("Socket 0x%08x: modem handle %d now has only %d byte(s) pending",
RobMeades 0:7ccf0e7e8a83 842 (unsigned int) socket, socket->modem_handle, socket->pending);
RobMeades 0:7ccf0e7e8a83 843 // Wait for the "OK" before continuing
RobMeades 0:7ccf0e7e8a83 844 _at->recv("OK");
RobMeades 0:7ccf0e7e8a83 845 } else {
RobMeades 0:7ccf0e7e8a83 846 // Should never fail to do _at->send()/_at->recv()
RobMeades 0:7ccf0e7e8a83 847 success = false;
RobMeades 0:7ccf0e7e8a83 848 }
RobMeades 0:7ccf0e7e8a83 849 _at->debug_on(_debug_trace_on);
RobMeades 0:7ccf0e7e8a83 850 } else if (timer.read_ms() < SOCKET_TIMEOUT) {
RobMeades 0:7ccf0e7e8a83 851 // Wait for URCs
RobMeades 0:7ccf0e7e8a83 852 _at->recv(UNNATURAL_STRING);
RobMeades 0:7ccf0e7e8a83 853 } else {
RobMeades 0:7ccf0e7e8a83 854 if (count == 0) {
RobMeades 0:7ccf0e7e8a83 855 // Timeout with nothing received
RobMeades 0:7ccf0e7e8a83 856 nsapi_error_size = NSAPI_ERROR_WOULD_BLOCK;
RobMeades 0:7ccf0e7e8a83 857 success = false;
RobMeades 0:7ccf0e7e8a83 858 }
RobMeades 0:7ccf0e7e8a83 859 size = 0; // This simply to cause an exit
RobMeades 0:7ccf0e7e8a83 860 }
RobMeades 0:7ccf0e7e8a83 861
RobMeades 0:7ccf0e7e8a83 862 at_set_timeout(at_timeout);
RobMeades 0:7ccf0e7e8a83 863 UNLOCK();
RobMeades 0:7ccf0e7e8a83 864 }
RobMeades 0:7ccf0e7e8a83 865 timer.stop();
RobMeades 0:7ccf0e7e8a83 866
RobMeades 0:7ccf0e7e8a83 867 if (success) {
RobMeades 0:7ccf0e7e8a83 868 nsapi_error_size = count;
RobMeades 0:7ccf0e7e8a83 869 }
RobMeades 0:7ccf0e7e8a83 870
RobMeades 0:7ccf0e7e8a83 871 if (_debug_trace_on) {
RobMeades 0:7ccf0e7e8a83 872 tr_debug("socket_recvfrom: %d \"%*.*s\"", count, count, count, buf - count);
RobMeades 0:7ccf0e7e8a83 873 } else {
RobMeades 0:7ccf0e7e8a83 874 tr_debug("socket_recvfrom: received %d byte(s)", count);
RobMeades 0:7ccf0e7e8a83 875 }
RobMeades 0:7ccf0e7e8a83 876
RobMeades 0:7ccf0e7e8a83 877 return nsapi_error_size;
RobMeades 0:7ccf0e7e8a83 878 }
RobMeades 0:7ccf0e7e8a83 879
RobMeades 0:7ccf0e7e8a83 880 // Attach an event callback to a socket, required for asynchronous
RobMeades 0:7ccf0e7e8a83 881 // data reception
RobMeades 0:7ccf0e7e8a83 882 void UbloxATCellularInterface::socket_attach(nsapi_socket_t handle,
RobMeades 0:7ccf0e7e8a83 883 void (*callback)(void *),
RobMeades 0:7ccf0e7e8a83 884 void *data)
RobMeades 0:7ccf0e7e8a83 885 {
RobMeades 0:7ccf0e7e8a83 886 SockCtrl *socket = (SockCtrl *) handle;
RobMeades 0:7ccf0e7e8a83 887
RobMeades 0:7ccf0e7e8a83 888 MBED_ASSERT (check_socket(socket));
RobMeades 0:7ccf0e7e8a83 889
RobMeades 0:7ccf0e7e8a83 890 socket->callback = callback;
RobMeades 0:7ccf0e7e8a83 891 socket->data = data;
RobMeades 0:7ccf0e7e8a83 892 }
RobMeades 0:7ccf0e7e8a83 893
RobMeades 0:7ccf0e7e8a83 894 // Unsupported TCP server functions.
RobMeades 0:7ccf0e7e8a83 895 nsapi_error_t UbloxATCellularInterface::socket_listen(nsapi_socket_t handle,
RobMeades 0:7ccf0e7e8a83 896 int backlog)
RobMeades 0:7ccf0e7e8a83 897 {
RobMeades 0:7ccf0e7e8a83 898 return NSAPI_ERROR_UNSUPPORTED;
RobMeades 0:7ccf0e7e8a83 899 }
RobMeades 0:7ccf0e7e8a83 900 nsapi_error_t UbloxATCellularInterface::socket_accept(nsapi_socket_t server,
RobMeades 0:7ccf0e7e8a83 901 nsapi_socket_t *handle,
RobMeades 0:7ccf0e7e8a83 902 SocketAddress *address)
RobMeades 0:7ccf0e7e8a83 903 {
RobMeades 0:7ccf0e7e8a83 904 return NSAPI_ERROR_UNSUPPORTED;
RobMeades 0:7ccf0e7e8a83 905 }
RobMeades 0:7ccf0e7e8a83 906
RobMeades 0:7ccf0e7e8a83 907 // Unsupported option functions.
RobMeades 0:7ccf0e7e8a83 908 nsapi_error_t UbloxATCellularInterface::setsockopt(nsapi_socket_t handle,
RobMeades 0:7ccf0e7e8a83 909 int level, int optname,
RobMeades 0:7ccf0e7e8a83 910 const void *optval,
RobMeades 0:7ccf0e7e8a83 911 unsigned optlen)
RobMeades 0:7ccf0e7e8a83 912 {
RobMeades 0:7ccf0e7e8a83 913 return NSAPI_ERROR_UNSUPPORTED;
RobMeades 0:7ccf0e7e8a83 914 }
RobMeades 0:7ccf0e7e8a83 915 nsapi_error_t UbloxATCellularInterface::getsockopt(nsapi_socket_t handle,
RobMeades 0:7ccf0e7e8a83 916 int level, int optname,
RobMeades 0:7ccf0e7e8a83 917 void *optval,
RobMeades 0:7ccf0e7e8a83 918 unsigned *optlen)
RobMeades 0:7ccf0e7e8a83 919 {
RobMeades 0:7ccf0e7e8a83 920 return NSAPI_ERROR_UNSUPPORTED;
RobMeades 0:7ccf0e7e8a83 921 }
RobMeades 0:7ccf0e7e8a83 922
RobMeades 0:7ccf0e7e8a83 923 /**********************************************************************
RobMeades 0:7ccf0e7e8a83 924 * PUBLIC METHODS
RobMeades 0:7ccf0e7e8a83 925 **********************************************************************/
RobMeades 0:7ccf0e7e8a83 926
RobMeades 0:7ccf0e7e8a83 927 // Constructor.
RobMeades 0:7ccf0e7e8a83 928 UbloxATCellularInterface::UbloxATCellularInterface(PinName tx,
RobMeades 0:7ccf0e7e8a83 929 PinName rx,
RobMeades 0:7ccf0e7e8a83 930 int baud,
RobMeades 0:7ccf0e7e8a83 931 bool debug_on)
RobMeades 0:7ccf0e7e8a83 932 {
RobMeades 0:7ccf0e7e8a83 933 _sim_pin_check_change_pending = false;
RobMeades 0:7ccf0e7e8a83 934 _sim_pin_check_change_pending_enabled_value = false;
RobMeades 0:7ccf0e7e8a83 935 _sim_pin_change_pending = false;
RobMeades 0:7ccf0e7e8a83 936 _sim_pin_change_pending_new_pin_value = NULL;
RobMeades 0:7ccf0e7e8a83 937 _apn = NULL;
RobMeades 0:7ccf0e7e8a83 938 _uname = NULL;
RobMeades 0:7ccf0e7e8a83 939 _pwd = NULL;
RobMeades 0:7ccf0e7e8a83 940 _connection_status_cb = NULL;
RobMeades 0:7ccf0e7e8a83 941
RobMeades 0:7ccf0e7e8a83 942 // Initialise sockets storage
RobMeades 0:7ccf0e7e8a83 943 memset(_sockets, 0, sizeof(_sockets));
RobMeades 0:7ccf0e7e8a83 944 for (unsigned int socket = 0; socket < sizeof(_sockets) / sizeof(_sockets[0]); socket++) {
RobMeades 0:7ccf0e7e8a83 945 _sockets[socket].modem_handle = SOCKET_UNUSED;
RobMeades 0:7ccf0e7e8a83 946 _sockets[socket].callback = NULL;
RobMeades 0:7ccf0e7e8a83 947 _sockets[socket].data = NULL;
RobMeades 0:7ccf0e7e8a83 948 }
RobMeades 0:7ccf0e7e8a83 949
RobMeades 0:7ccf0e7e8a83 950 // The authentication to use
RobMeades 0:7ccf0e7e8a83 951 _auth = NSAPI_SECURITY_UNKNOWN;
RobMeades 0:7ccf0e7e8a83 952
RobMeades 0:7ccf0e7e8a83 953 // Nullify the temporary IP address storage
RobMeades 0:7ccf0e7e8a83 954 _ip = NULL;
RobMeades 0:7ccf0e7e8a83 955
RobMeades 0:7ccf0e7e8a83 956 // Initialise the base class, which starts the AT parser
RobMeades 0:7ccf0e7e8a83 957 baseClassInit(tx, rx, baud, debug_on);
RobMeades 0:7ccf0e7e8a83 958
RobMeades 0:7ccf0e7e8a83 959 // Start the event handler thread for Rx data
RobMeades 0:7ccf0e7e8a83 960 event_thread.start(callback(this, &UbloxATCellularInterface::handle_event));
RobMeades 0:7ccf0e7e8a83 961
RobMeades 0:7ccf0e7e8a83 962 // URC handlers for sockets
RobMeades 0:7ccf0e7e8a83 963 _at->oob("+UUSORD", callback(this, &UbloxATCellularInterface::UUSORD_URC));
RobMeades 0:7ccf0e7e8a83 964 _at->oob("+UUSORF", callback(this, &UbloxATCellularInterface::UUSORF_URC));
RobMeades 0:7ccf0e7e8a83 965 _at->oob("+UUSOCL", callback(this, &UbloxATCellularInterface::UUSOCL_URC));
RobMeades 0:7ccf0e7e8a83 966 _at->oob("+UUPSDD", callback(this, &UbloxATCellularInterface::UUPSDD_URC));
RobMeades 0:7ccf0e7e8a83 967 }
RobMeades 0:7ccf0e7e8a83 968
RobMeades 0:7ccf0e7e8a83 969 // Destructor.
RobMeades 0:7ccf0e7e8a83 970 UbloxATCellularInterface::~UbloxATCellularInterface()
RobMeades 0:7ccf0e7e8a83 971 {
RobMeades 0:7ccf0e7e8a83 972 // Free _ip if it was ever allocated
RobMeades 0:7ccf0e7e8a83 973 free(_ip);
RobMeades 0:7ccf0e7e8a83 974 }
RobMeades 0:7ccf0e7e8a83 975
RobMeades 0:7ccf0e7e8a83 976 // Set the authentication scheme.
RobMeades 0:7ccf0e7e8a83 977 void UbloxATCellularInterface::set_authentication(nsapi_security_t auth)
RobMeades 0:7ccf0e7e8a83 978 {
RobMeades 0:7ccf0e7e8a83 979 _auth = auth;
RobMeades 0:7ccf0e7e8a83 980 }
RobMeades 0:7ccf0e7e8a83 981
RobMeades 0:7ccf0e7e8a83 982 // Set APN, user name and password.
RobMeades 0:7ccf0e7e8a83 983 void UbloxATCellularInterface::set_credentials(const char *apn,
RobMeades 0:7ccf0e7e8a83 984 const char *uname,
RobMeades 0:7ccf0e7e8a83 985 const char *pwd)
RobMeades 0:7ccf0e7e8a83 986 {
RobMeades 0:7ccf0e7e8a83 987 _apn = apn;
RobMeades 0:7ccf0e7e8a83 988 _uname = uname;
RobMeades 0:7ccf0e7e8a83 989 _pwd = pwd;
RobMeades 0:7ccf0e7e8a83 990 }
RobMeades 0:7ccf0e7e8a83 991
RobMeades 0:7ccf0e7e8a83 992 // Set PIN.
RobMeades 0:7ccf0e7e8a83 993 void UbloxATCellularInterface::set_sim_pin(const char *pin) {
RobMeades 0:7ccf0e7e8a83 994 set_pin(pin);
RobMeades 0:7ccf0e7e8a83 995 }
RobMeades 0:7ccf0e7e8a83 996
rob.meades@u-blox.com 6:63dad754c267 997 static int count = 0;
rob.meades@u-blox.com 6:63dad754c267 998
RobMeades 0:7ccf0e7e8a83 999 // Get the IP address of a host.
RobMeades 0:7ccf0e7e8a83 1000 nsapi_error_t UbloxATCellularInterface::gethostbyname(const char *host,
RobMeades 0:7ccf0e7e8a83 1001 SocketAddress *address,
RobMeades 0:7ccf0e7e8a83 1002 nsapi_version_t version)
RobMeades 0:7ccf0e7e8a83 1003 {
RobMeades 0:7ccf0e7e8a83 1004 nsapi_error_t nsapi_error = NSAPI_ERROR_DEVICE_ERROR;
rob.meades@u-blox.com 6:63dad754c267 1005 int at_timeout;
RobMeades 0:7ccf0e7e8a83 1006 char ipAddress[NSAPI_IP_SIZE];
RobMeades 0:7ccf0e7e8a83 1007
rob.meades@u-blox.com 6:63dad754c267 1008 count++;
RobMeades 0:7ccf0e7e8a83 1009 if (address->set_ip_address(host)) {
RobMeades 0:7ccf0e7e8a83 1010 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 1011 } else {
RobMeades 0:7ccf0e7e8a83 1012 LOCK();
rob.meades@u-blox.com 6:63dad754c267 1013 // This interrogation can sometimes take longer than the usual 8 seconds
rob.meades@u-blox.com 6:63dad754c267 1014 at_timeout = _at_timeout;
rob.meades@u-blox.com 6:63dad754c267 1015 at_set_timeout(60000);
RobMeades 0:7ccf0e7e8a83 1016 memset (ipAddress, 0, sizeof (ipAddress)); // Ensure terminator
RobMeades 0:7ccf0e7e8a83 1017 if (_at->send("AT+UDNSRN=0,\"%s\"", host) &&
RobMeades 0:7ccf0e7e8a83 1018 _at->recv("+UDNSRN: \"%" u_stringify(NSAPI_IP_SIZE) "[^\"]\"", ipAddress) &&
RobMeades 0:7ccf0e7e8a83 1019 _at->recv("OK")) {
RobMeades 0:7ccf0e7e8a83 1020 if (address->set_ip_address(ipAddress)) {
RobMeades 0:7ccf0e7e8a83 1021 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 1022 }
RobMeades 0:7ccf0e7e8a83 1023 }
rob.meades@u-blox.com 6:63dad754c267 1024 at_set_timeout(at_timeout);
RobMeades 0:7ccf0e7e8a83 1025 UNLOCK();
RobMeades 0:7ccf0e7e8a83 1026 }
RobMeades 0:7ccf0e7e8a83 1027
RobMeades 0:7ccf0e7e8a83 1028 return nsapi_error;
RobMeades 0:7ccf0e7e8a83 1029 }
RobMeades 0:7ccf0e7e8a83 1030
RobMeades 0:7ccf0e7e8a83 1031 // Make a cellular connection
RobMeades 0:7ccf0e7e8a83 1032 nsapi_error_t UbloxATCellularInterface::connect(const char *sim_pin,
RobMeades 0:7ccf0e7e8a83 1033 const char *apn,
RobMeades 0:7ccf0e7e8a83 1034 const char *uname,
RobMeades 0:7ccf0e7e8a83 1035 const char *pwd)
RobMeades 0:7ccf0e7e8a83 1036 {
RobMeades 0:7ccf0e7e8a83 1037 nsapi_error_t nsapi_error;
RobMeades 0:7ccf0e7e8a83 1038
RobMeades 0:7ccf0e7e8a83 1039 if (sim_pin != NULL) {
RobMeades 0:7ccf0e7e8a83 1040 _pin = sim_pin;
RobMeades 0:7ccf0e7e8a83 1041 }
RobMeades 0:7ccf0e7e8a83 1042
RobMeades 0:7ccf0e7e8a83 1043 if (apn != NULL) {
RobMeades 0:7ccf0e7e8a83 1044 _apn = apn;
RobMeades 0:7ccf0e7e8a83 1045 }
RobMeades 0:7ccf0e7e8a83 1046
RobMeades 0:7ccf0e7e8a83 1047 if ((uname != NULL) && (pwd != NULL)) {
RobMeades 0:7ccf0e7e8a83 1048 _uname = uname;
RobMeades 0:7ccf0e7e8a83 1049 _pwd = pwd;
RobMeades 0:7ccf0e7e8a83 1050 } else {
RobMeades 0:7ccf0e7e8a83 1051 _uname = NULL;
RobMeades 0:7ccf0e7e8a83 1052 _pwd = NULL;
RobMeades 0:7ccf0e7e8a83 1053 }
RobMeades 0:7ccf0e7e8a83 1054
RobMeades 0:7ccf0e7e8a83 1055 nsapi_error = connect();
RobMeades 0:7ccf0e7e8a83 1056
RobMeades 0:7ccf0e7e8a83 1057 return nsapi_error;
RobMeades 0:7ccf0e7e8a83 1058 }
RobMeades 0:7ccf0e7e8a83 1059
RobMeades 0:7ccf0e7e8a83 1060 // Make a cellular connection using the IP stack on board the cellular modem
RobMeades 0:7ccf0e7e8a83 1061 nsapi_error_t UbloxATCellularInterface::connect()
RobMeades 0:7ccf0e7e8a83 1062 {
RobMeades 0:7ccf0e7e8a83 1063 nsapi_error_t nsapi_error = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 1064 bool registered = false;
RobMeades 0:7ccf0e7e8a83 1065
RobMeades 0:7ccf0e7e8a83 1066 // Set up modem and then register with the network
RobMeades 0:7ccf0e7e8a83 1067 if (init()) {
RobMeades 0:7ccf0e7e8a83 1068 nsapi_error = NSAPI_ERROR_NO_CONNECTION;
RobMeades 0:7ccf0e7e8a83 1069 // Perform any pending SIM actions
RobMeades 0:7ccf0e7e8a83 1070 if (_sim_pin_check_change_pending) {
RobMeades 0:7ccf0e7e8a83 1071 if (!sim_pin_check_enable(_sim_pin_check_change_pending_enabled_value)) {
RobMeades 0:7ccf0e7e8a83 1072 nsapi_error = NSAPI_ERROR_AUTH_FAILURE;
RobMeades 0:7ccf0e7e8a83 1073 }
RobMeades 0:7ccf0e7e8a83 1074 _sim_pin_check_change_pending = false;
RobMeades 0:7ccf0e7e8a83 1075 }
RobMeades 0:7ccf0e7e8a83 1076 if (_sim_pin_change_pending) {
RobMeades 0:7ccf0e7e8a83 1077 if (!change_sim_pin(_sim_pin_change_pending_new_pin_value)) {
RobMeades 0:7ccf0e7e8a83 1078 nsapi_error = NSAPI_ERROR_AUTH_FAILURE;
RobMeades 0:7ccf0e7e8a83 1079 }
RobMeades 0:7ccf0e7e8a83 1080 _sim_pin_change_pending = false;
RobMeades 0:7ccf0e7e8a83 1081 }
RobMeades 0:7ccf0e7e8a83 1082
RobMeades 0:7ccf0e7e8a83 1083 if (nsapi_error == NSAPI_ERROR_NO_CONNECTION) {
RobMeades 0:7ccf0e7e8a83 1084 for (int retries = 0; !registered && (retries < 3); retries++) {
RobMeades 0:7ccf0e7e8a83 1085 if (nwk_registration()) {
RobMeades 0:7ccf0e7e8a83 1086 registered = true;;
RobMeades 0:7ccf0e7e8a83 1087 }
RobMeades 0:7ccf0e7e8a83 1088 }
RobMeades 0:7ccf0e7e8a83 1089 }
RobMeades 0:7ccf0e7e8a83 1090 }
RobMeades 0:7ccf0e7e8a83 1091
RobMeades 0:7ccf0e7e8a83 1092 // Attempt to establish a connection
RobMeades 0:7ccf0e7e8a83 1093 if (registered && connect_modem_stack()) {
RobMeades 0:7ccf0e7e8a83 1094 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 1095 }
RobMeades 0:7ccf0e7e8a83 1096
RobMeades 0:7ccf0e7e8a83 1097 return nsapi_error;
RobMeades 0:7ccf0e7e8a83 1098 }
RobMeades 0:7ccf0e7e8a83 1099
RobMeades 0:7ccf0e7e8a83 1100 // User initiated disconnect.
RobMeades 0:7ccf0e7e8a83 1101 nsapi_error_t UbloxATCellularInterface::disconnect()
RobMeades 0:7ccf0e7e8a83 1102 {
RobMeades 0:7ccf0e7e8a83 1103 nsapi_error_t nsapi_error = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 1104
RobMeades 0:7ccf0e7e8a83 1105 if (disconnect_modem_stack() && nwk_deregistration()) {
RobMeades 0:7ccf0e7e8a83 1106 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 1107 }
RobMeades 0:7ccf0e7e8a83 1108
RobMeades 0:7ccf0e7e8a83 1109 return nsapi_error;
RobMeades 0:7ccf0e7e8a83 1110 }
RobMeades 0:7ccf0e7e8a83 1111
RobMeades 0:7ccf0e7e8a83 1112 // Enable or disable SIM PIN check lock.
RobMeades 0:7ccf0e7e8a83 1113 nsapi_error_t UbloxATCellularInterface::set_sim_pin_check(bool set,
RobMeades 0:7ccf0e7e8a83 1114 bool immediate,
RobMeades 0:7ccf0e7e8a83 1115 const char *sim_pin)
RobMeades 0:7ccf0e7e8a83 1116 {
RobMeades 0:7ccf0e7e8a83 1117 nsapi_error_t nsapi_error = NSAPI_ERROR_AUTH_FAILURE;
RobMeades 0:7ccf0e7e8a83 1118
RobMeades 0:7ccf0e7e8a83 1119 if (sim_pin != NULL) {
RobMeades 0:7ccf0e7e8a83 1120 _pin = sim_pin;
RobMeades 0:7ccf0e7e8a83 1121 }
RobMeades 0:7ccf0e7e8a83 1122
RobMeades 0:7ccf0e7e8a83 1123 if (immediate) {
RobMeades 0:7ccf0e7e8a83 1124 if (init()) {
RobMeades 0:7ccf0e7e8a83 1125 if (sim_pin_check_enable(set)) {
RobMeades 0:7ccf0e7e8a83 1126 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 1127 }
RobMeades 0:7ccf0e7e8a83 1128 } else {
RobMeades 0:7ccf0e7e8a83 1129 nsapi_error = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 1130 }
RobMeades 0:7ccf0e7e8a83 1131 } else {
RobMeades 0:7ccf0e7e8a83 1132 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 1133 _sim_pin_check_change_pending = true;
RobMeades 0:7ccf0e7e8a83 1134 _sim_pin_check_change_pending_enabled_value = set;
RobMeades 0:7ccf0e7e8a83 1135 }
RobMeades 0:7ccf0e7e8a83 1136
RobMeades 0:7ccf0e7e8a83 1137 return nsapi_error;
RobMeades 0:7ccf0e7e8a83 1138 }
RobMeades 0:7ccf0e7e8a83 1139
RobMeades 0:7ccf0e7e8a83 1140 // Change the PIN code for the SIM card.
RobMeades 0:7ccf0e7e8a83 1141 nsapi_error_t UbloxATCellularInterface::set_new_sim_pin(const char *new_pin,
RobMeades 0:7ccf0e7e8a83 1142 bool immediate,
RobMeades 0:7ccf0e7e8a83 1143 const char *old_pin)
RobMeades 0:7ccf0e7e8a83 1144 {
RobMeades 0:7ccf0e7e8a83 1145 nsapi_error_t nsapi_error = NSAPI_ERROR_AUTH_FAILURE;
RobMeades 0:7ccf0e7e8a83 1146
RobMeades 0:7ccf0e7e8a83 1147 if (old_pin != NULL) {
RobMeades 0:7ccf0e7e8a83 1148 _pin = old_pin;
RobMeades 0:7ccf0e7e8a83 1149 }
RobMeades 0:7ccf0e7e8a83 1150
RobMeades 0:7ccf0e7e8a83 1151 if (immediate) {
RobMeades 0:7ccf0e7e8a83 1152 if (init()) {
RobMeades 0:7ccf0e7e8a83 1153 if (change_sim_pin(new_pin)) {
RobMeades 0:7ccf0e7e8a83 1154 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 1155 }
RobMeades 0:7ccf0e7e8a83 1156 } else {
RobMeades 0:7ccf0e7e8a83 1157 nsapi_error = NSAPI_ERROR_DEVICE_ERROR;
RobMeades 0:7ccf0e7e8a83 1158 }
RobMeades 0:7ccf0e7e8a83 1159 } else {
RobMeades 0:7ccf0e7e8a83 1160 nsapi_error = NSAPI_ERROR_OK;
RobMeades 0:7ccf0e7e8a83 1161 _sim_pin_change_pending = true;
RobMeades 0:7ccf0e7e8a83 1162 _sim_pin_change_pending_new_pin_value = new_pin;
RobMeades 0:7ccf0e7e8a83 1163 }
RobMeades 0:7ccf0e7e8a83 1164
RobMeades 0:7ccf0e7e8a83 1165 return nsapi_error;
RobMeades 0:7ccf0e7e8a83 1166 }
RobMeades 0:7ccf0e7e8a83 1167
RobMeades 0:7ccf0e7e8a83 1168 // Determine if the connection is up.
RobMeades 0:7ccf0e7e8a83 1169 bool UbloxATCellularInterface::is_connected()
RobMeades 0:7ccf0e7e8a83 1170 {
RobMeades 0:7ccf0e7e8a83 1171 return get_ip_address() != NULL;
RobMeades 0:7ccf0e7e8a83 1172 }
RobMeades 0:7ccf0e7e8a83 1173
RobMeades 0:7ccf0e7e8a83 1174 // Get the IP address of the on-board modem IP stack.
RobMeades 0:7ccf0e7e8a83 1175 const char * UbloxATCellularInterface::get_ip_address()
RobMeades 0:7ccf0e7e8a83 1176 {
RobMeades 0:7ccf0e7e8a83 1177 SocketAddress address;
RobMeades 0:7ccf0e7e8a83 1178 LOCK();
RobMeades 0:7ccf0e7e8a83 1179
RobMeades 0:7ccf0e7e8a83 1180 if (_ip == NULL) {
RobMeades 0:7ccf0e7e8a83 1181 // Temporary storage for an IP address string with terminator
RobMeades 0:7ccf0e7e8a83 1182 _ip = (char *) malloc(NSAPI_IP_SIZE);
RobMeades 0:7ccf0e7e8a83 1183 }
RobMeades 0:7ccf0e7e8a83 1184
RobMeades 0:7ccf0e7e8a83 1185 if (_ip != NULL) {
RobMeades 0:7ccf0e7e8a83 1186 memset(_ip, 0, NSAPI_IP_SIZE); // Ensure a terminator
RobMeades 0:7ccf0e7e8a83 1187 // +UPSND=<profile_id>,<param_tag>[,<dynamic_param_val>]
RobMeades 0:7ccf0e7e8a83 1188 // If we get back a quoted "w.x.y.z" then we have an IP address,
RobMeades 0:7ccf0e7e8a83 1189 // otherwise we don't.
RobMeades 0:7ccf0e7e8a83 1190 if (!_at->send("AT+UPSND=" PROFILE ",0") ||
RobMeades 0:7ccf0e7e8a83 1191 !_at->recv("+UPSND: " PROFILE ",0,\"%" u_stringify(NSAPI_IP_SIZE) "[^\"]\"", _ip) ||
RobMeades 0:7ccf0e7e8a83 1192 !_at->recv("OK") ||
RobMeades 0:7ccf0e7e8a83 1193 !address.set_ip_address(_ip) || // Return NULL if the address is not a valid one
RobMeades 0:7ccf0e7e8a83 1194 !address) { // Return null if the address is zero
RobMeades 0:7ccf0e7e8a83 1195 free (_ip);
RobMeades 0:7ccf0e7e8a83 1196 _ip = NULL;
RobMeades 0:7ccf0e7e8a83 1197 }
RobMeades 0:7ccf0e7e8a83 1198 }
RobMeades 0:7ccf0e7e8a83 1199
RobMeades 0:7ccf0e7e8a83 1200 UNLOCK();
RobMeades 0:7ccf0e7e8a83 1201 return _ip;
RobMeades 0:7ccf0e7e8a83 1202 }
RobMeades 0:7ccf0e7e8a83 1203
RobMeades 0:7ccf0e7e8a83 1204 // Get the local network mask.
RobMeades 0:7ccf0e7e8a83 1205 const char *UbloxATCellularInterface::get_netmask()
RobMeades 0:7ccf0e7e8a83 1206 {
RobMeades 0:7ccf0e7e8a83 1207 // Not implemented.
RobMeades 0:7ccf0e7e8a83 1208 return NULL;
RobMeades 0:7ccf0e7e8a83 1209 }
RobMeades 0:7ccf0e7e8a83 1210
RobMeades 0:7ccf0e7e8a83 1211 // Get the local gateways.
RobMeades 0:7ccf0e7e8a83 1212 const char *UbloxATCellularInterface::get_gateway()
RobMeades 0:7ccf0e7e8a83 1213 {
RobMeades 0:7ccf0e7e8a83 1214 return get_ip_address();
RobMeades 0:7ccf0e7e8a83 1215 }
RobMeades 0:7ccf0e7e8a83 1216
RobMeades 0:7ccf0e7e8a83 1217 // Callback in case the connection is lost.
RobMeades 0:7ccf0e7e8a83 1218 void UbloxATCellularInterface::connection_status_cb(Callback<void(nsapi_error_t)> cb)
RobMeades 0:7ccf0e7e8a83 1219 {
RobMeades 0:7ccf0e7e8a83 1220 _connection_status_cb = cb;
RobMeades 0:7ccf0e7e8a83 1221 }
RobMeades 0:7ccf0e7e8a83 1222
RobMeades 0:7ccf0e7e8a83 1223 // End of file
RobMeades 0:7ccf0e7e8a83 1224