Example program for power saving mode of cellular modem. This program can be used with UBLOX_C030_R412M board.

Dependencies:   ublox-at-cellular-interface ublox-cellular-base ublox-cellular-base-n2xx ublox-at-cellular-interface-n2xx

Committer:
wajahat.abbas@u-blox.com
Date:
Mon Jun 24 15:12:21 2019 +0500
Revision:
2:500c4fe5b9a4
Parent:
0:4858efb34078
Child:
3:6debe6b322c4
Updated example to be aligned with example-ublox-cellular-interface

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wajahat.abbas@u-blox.com 0:4858efb34078 1 /* mbed Microcontroller Library
wajahat.abbas@u-blox.com 0:4858efb34078 2 * Copyright (c) 2017 u-blox
wajahat.abbas@u-blox.com 0:4858efb34078 3 *
wajahat.abbas@u-blox.com 0:4858efb34078 4 * Licensed under the Apache License, Version 2.0 (the "License");
wajahat.abbas@u-blox.com 0:4858efb34078 5 * you may not use this file except in compliance with the License.
wajahat.abbas@u-blox.com 0:4858efb34078 6 * You may obtain a copy of the License at
wajahat.abbas@u-blox.com 0:4858efb34078 7 *
wajahat.abbas@u-blox.com 0:4858efb34078 8 * http://www.apache.org/licenses/LICENSE-2.0
wajahat.abbas@u-blox.com 0:4858efb34078 9 *
wajahat.abbas@u-blox.com 0:4858efb34078 10 * Unless required by applicable law or agreed to in writing, software
wajahat.abbas@u-blox.com 0:4858efb34078 11 * distributed under the License is distributed on an "AS IS" BASIS,
wajahat.abbas@u-blox.com 0:4858efb34078 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
wajahat.abbas@u-blox.com 0:4858efb34078 13 * See the License for the specific language governing permissions and
wajahat.abbas@u-blox.com 0:4858efb34078 14 * limitations under the License.
wajahat.abbas@u-blox.com 0:4858efb34078 15 */
wajahat.abbas@u-blox.com 0:4858efb34078 16 #include "mbed.h"
wajahat.abbas@u-blox.com 0:4858efb34078 17 #include "UbloxATCellularInterface.h"
wajahat.abbas@u-blox.com 0:4858efb34078 18 #include "UbloxATCellularInterfaceN2xx.h"
wajahat.abbas@u-blox.com 0:4858efb34078 19
wajahat.abbas@u-blox.com 0:4858efb34078 20 // You must select the correct interface library for your board, by
wajahat.abbas@u-blox.com 0:4858efb34078 21 // uncommenting the correct line below. Supported combinations are
wajahat.abbas@u-blox.com 0:4858efb34078 22 // indicated with a "Y" in the table below.
wajahat.abbas@u-blox.com 0:4858efb34078 23 //
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 24 // C030_U201 C030_N211 C027 C030_R41XM
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 25 // UbloxATCellularInterface Y - Y Y
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 26 // UbloxATCellularInterfaceN2xx - Y - -
wajahat.abbas@u-blox.com 0:4858efb34078 27 // Note: the N211 module supports only UDP, not TCP
wajahat.abbas@u-blox.com 0:4858efb34078 28
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 29 // UbloxATCellularInterface and UbloxATCellularInterfaceN2xx
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 30 // uses an IP stack on the cellular module and hence uses less RAM (significant on C027).
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 31 // This also allows other AT command operations (e.g. sending an SMS) to happen
wajahat.abbas@u-blox.com 0:4858efb34078 32 // during a data transfer (for which you should replace the
wajahat.abbas@u-blox.com 0:4858efb34078 33 // UbloxATCellularInterface library with the UbloxATCellularInterfaceExt
wajahat.abbas@u-blox.com 0:4858efb34078 34 // library). However, it is slower than using the LWIP/PPP on the mbed
wajahat.abbas@u-blox.com 0:4858efb34078 35 // MCU interface since more string parsing is required.
wajahat.abbas@u-blox.com 0:4858efb34078 36 #define INTERFACE_CLASS UbloxATCellularInterface
wajahat.abbas@u-blox.com 0:4858efb34078 37 //#define INTERFACE_CLASS UbloxATCellularInterfaceN2xx
wajahat.abbas@u-blox.com 0:4858efb34078 38
wajahat.abbas@u-blox.com 0:4858efb34078 39 // The credentials of the SIM in the board. If PIN checking is enabled
wajahat.abbas@u-blox.com 0:4858efb34078 40 // for your SIM card you must set this to the required PIN.
wajahat.abbas@u-blox.com 0:4858efb34078 41 #define PIN "0000"
wajahat.abbas@u-blox.com 0:4858efb34078 42
wajahat.abbas@u-blox.com 0:4858efb34078 43 // Network credentials. You should set this according to your
wajahat.abbas@u-blox.com 0:4858efb34078 44 // network/SIM card. For C030 non-N2xx boards, leave the parameters as NULL
wajahat.abbas@u-blox.com 0:4858efb34078 45 // otherwise, if you do not know the APN for your network, you may
wajahat.abbas@u-blox.com 0:4858efb34078 46 // either try the fairly common "internet" for the APN (and leave the
wajahat.abbas@u-blox.com 0:4858efb34078 47 // username and password NULL), or you may leave all three as NULL and then
wajahat.abbas@u-blox.com 0:4858efb34078 48 // a lookup will be attempted for a small number of known networks
wajahat.abbas@u-blox.com 0:4858efb34078 49 // (see APN_db.h in mbed-os/features/netsocket/cellular/utils).
wajahat.abbas@u-blox.com 0:4858efb34078 50 #define APN NULL
wajahat.abbas@u-blox.com 0:4858efb34078 51 #define USERNAME NULL
wajahat.abbas@u-blox.com 0:4858efb34078 52 #define PASSWORD NULL
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 53 #define TCP_SERVER "os.mbed.com"
wajahat.abbas@u-blox.com 0:4858efb34078 54
wajahat.abbas@u-blox.com 0:4858efb34078 55 // Uncomment the following line to enable Icellular Current measurement.
wajahat.abbas@u-blox.com 0:4858efb34078 56 // Current drawn by modem is printed on serial every 2 seconds.
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 57 #define CURRENT_MEASUREMENT
wajahat.abbas@u-blox.com 0:4858efb34078 58
wajahat.abbas@u-blox.com 0:4858efb34078 59 // LEDs
wajahat.abbas@u-blox.com 0:4858efb34078 60 DigitalOut ledRed(LED1, 1);
wajahat.abbas@u-blox.com 0:4858efb34078 61 DigitalOut ledGreen(LED2, 1);
wajahat.abbas@u-blox.com 0:4858efb34078 62 DigitalOut ledBlue(LED3, 1);
wajahat.abbas@u-blox.com 0:4858efb34078 63
wajahat.abbas@u-blox.com 0:4858efb34078 64 // The user button
wajahat.abbas@u-blox.com 0:4858efb34078 65 volatile bool buttonPressed = false;
wajahat.abbas@u-blox.com 0:4858efb34078 66 #ifdef TARGET_UBLOX_C030_R412M
wajahat.abbas@u-blox.com 0:4858efb34078 67 volatile bool modem_asleep = false;
wajahat.abbas@u-blox.com 0:4858efb34078 68 #ifdef CURRENT_MEASUREMENT
wajahat.abbas@u-blox.com 0:4858efb34078 69 AnalogIn ain_icellular(MDMCURRENTSENSE);
wajahat.abbas@u-blox.com 0:4858efb34078 70 Thread icell_thread;
wajahat.abbas@u-blox.com 0:4858efb34078 71 #endif
wajahat.abbas@u-blox.com 0:4858efb34078 72 #endif
wajahat.abbas@u-blox.com 0:4858efb34078 73
wajahat.abbas@u-blox.com 0:4858efb34078 74 static void good() {
wajahat.abbas@u-blox.com 0:4858efb34078 75 ledGreen = 0;
wajahat.abbas@u-blox.com 0:4858efb34078 76 ledBlue = 1;
wajahat.abbas@u-blox.com 0:4858efb34078 77 ledRed = 1;
wajahat.abbas@u-blox.com 0:4858efb34078 78 }
wajahat.abbas@u-blox.com 0:4858efb34078 79
wajahat.abbas@u-blox.com 0:4858efb34078 80 static void bad() {
wajahat.abbas@u-blox.com 0:4858efb34078 81 ledRed = 0;
wajahat.abbas@u-blox.com 0:4858efb34078 82 ledGreen = 1;
wajahat.abbas@u-blox.com 0:4858efb34078 83 ledBlue = 1;
wajahat.abbas@u-blox.com 0:4858efb34078 84 }
wajahat.abbas@u-blox.com 0:4858efb34078 85
wajahat.abbas@u-blox.com 0:4858efb34078 86 static void event() {
wajahat.abbas@u-blox.com 0:4858efb34078 87 ledBlue = 0;
wajahat.abbas@u-blox.com 0:4858efb34078 88 ledRed = 1;
wajahat.abbas@u-blox.com 0:4858efb34078 89 ledGreen = 1;
wajahat.abbas@u-blox.com 0:4858efb34078 90 }
wajahat.abbas@u-blox.com 0:4858efb34078 91
wajahat.abbas@u-blox.com 0:4858efb34078 92 static void pulseEvent() {
wajahat.abbas@u-blox.com 0:4858efb34078 93 event();
wajahat.abbas@u-blox.com 0:4858efb34078 94 wait_ms(500);
wajahat.abbas@u-blox.com 0:4858efb34078 95 good();
wajahat.abbas@u-blox.com 0:4858efb34078 96 }
wajahat.abbas@u-blox.com 0:4858efb34078 97
wajahat.abbas@u-blox.com 0:4858efb34078 98 static void ledOff() {
wajahat.abbas@u-blox.com 0:4858efb34078 99 ledBlue = 1;
wajahat.abbas@u-blox.com 0:4858efb34078 100 ledRed = 1;
wajahat.abbas@u-blox.com 0:4858efb34078 101 ledGreen = 1;
wajahat.abbas@u-blox.com 0:4858efb34078 102 }
wajahat.abbas@u-blox.com 0:4858efb34078 103
wajahat.abbas@u-blox.com 0:4858efb34078 104 static void printNtpTime(char * buf, int len)
wajahat.abbas@u-blox.com 0:4858efb34078 105 {
wajahat.abbas@u-blox.com 0:4858efb34078 106 time_t timestamp = 0;
wajahat.abbas@u-blox.com 0:4858efb34078 107 struct tm *localTime;
wajahat.abbas@u-blox.com 0:4858efb34078 108 char timeString[25];
wajahat.abbas@u-blox.com 0:4858efb34078 109 time_t TIME1970 = 2208988800U;
wajahat.abbas@u-blox.com 0:4858efb34078 110
wajahat.abbas@u-blox.com 0:4858efb34078 111 if (len >= 43) {
wajahat.abbas@u-blox.com 0:4858efb34078 112 timestamp |= ((int) *(buf + 40)) << 24;
wajahat.abbas@u-blox.com 0:4858efb34078 113 timestamp |= ((int) *(buf + 41)) << 16;
wajahat.abbas@u-blox.com 0:4858efb34078 114 timestamp |= ((int) *(buf + 42)) << 8;
wajahat.abbas@u-blox.com 0:4858efb34078 115 timestamp |= ((int) *(buf + 43));
wajahat.abbas@u-blox.com 0:4858efb34078 116 timestamp -= TIME1970;
wajahat.abbas@u-blox.com 0:4858efb34078 117 localTime = localtime(&timestamp);
wajahat.abbas@u-blox.com 0:4858efb34078 118 if (localTime) {
wajahat.abbas@u-blox.com 0:4858efb34078 119 if (strftime(timeString, sizeof(timeString), "%a %b %d %H:%M:%S %Y", localTime) > 0) {
wajahat.abbas@u-blox.com 0:4858efb34078 120 printf("NTP timestamp is %s.\n", timeString);
wajahat.abbas@u-blox.com 0:4858efb34078 121 }
wajahat.abbas@u-blox.com 0:4858efb34078 122 }
wajahat.abbas@u-blox.com 0:4858efb34078 123 }
wajahat.abbas@u-blox.com 0:4858efb34078 124 }
wajahat.abbas@u-blox.com 0:4858efb34078 125
wajahat.abbas@u-blox.com 0:4858efb34078 126 static void cbButton()
wajahat.abbas@u-blox.com 0:4858efb34078 127 {
wajahat.abbas@u-blox.com 0:4858efb34078 128 buttonPressed = true;
wajahat.abbas@u-blox.com 0:4858efb34078 129 }
wajahat.abbas@u-blox.com 0:4858efb34078 130
wajahat.abbas@u-blox.com 0:4858efb34078 131 void init_modem(INTERFACE_CLASS *interface) {
wajahat.abbas@u-blox.com 0:4858efb34078 132 int x;
wajahat.abbas@u-blox.com 0:4858efb34078 133
wajahat.abbas@u-blox.com 0:4858efb34078 134 for (x = 0; interface->connect(PIN) != 0; x++) {
wajahat.abbas@u-blox.com 0:4858efb34078 135 if (x > 0) {
wajahat.abbas@u-blox.com 0:4858efb34078 136 bad();
wajahat.abbas@u-blox.com 0:4858efb34078 137 printf("Retrying (have you checked that an antenna is plugged in and your APN is correct?)...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 138 }
wajahat.abbas@u-blox.com 0:4858efb34078 139 }
wajahat.abbas@u-blox.com 0:4858efb34078 140 }
wajahat.abbas@u-blox.com 0:4858efb34078 141 #ifdef TARGET_UBLOX_C030_R412M
wajahat.abbas@u-blox.com 0:4858efb34078 142 void psm_going_in_cb(void *param)
wajahat.abbas@u-blox.com 0:4858efb34078 143 {
wajahat.abbas@u-blox.com 0:4858efb34078 144 printf("PSM callback function:: Modem going in to sleep\n");
wajahat.abbas@u-blox.com 0:4858efb34078 145 modem_asleep = true;
wajahat.abbas@u-blox.com 0:4858efb34078 146 }
wajahat.abbas@u-blox.com 0:4858efb34078 147 #ifdef CURRENT_MEASUREMENT
wajahat.abbas@u-blox.com 0:4858efb34078 148 float calculate_icellular_samples() {
wajahat.abbas@u-blox.com 0:4858efb34078 149 float ain=0.0f;
wajahat.abbas@u-blox.com 0:4858efb34078 150 float icellular_val;
wajahat.abbas@u-blox.com 0:4858efb34078 151 const int c_number_of_analog_samples = 50;
wajahat.abbas@u-blox.com 0:4858efb34078 152
wajahat.abbas@u-blox.com 0:4858efb34078 153 ain = 0;
wajahat.abbas@u-blox.com 0:4858efb34078 154 for(int i = 0; i < c_number_of_analog_samples; i++) {
wajahat.abbas@u-blox.com 0:4858efb34078 155 ain = (ain + ain_icellular.read());
wajahat.abbas@u-blox.com 0:4858efb34078 156 Thread::wait(2);
wajahat.abbas@u-blox.com 0:4858efb34078 157 }
wajahat.abbas@u-blox.com 0:4858efb34078 158 ain = ain/c_number_of_analog_samples;
wajahat.abbas@u-blox.com 0:4858efb34078 159 icellular_val = (ain*1.8*1000)/7.0f;
wajahat.abbas@u-blox.com 0:4858efb34078 160
wajahat.abbas@u-blox.com 0:4858efb34078 161
wajahat.abbas@u-blox.com 0:4858efb34078 162 printf("Voltage in mV: %f\n", icellular_val * 7.0f);
wajahat.abbas@u-blox.com 0:4858efb34078 163 printf("Current draw in mA: %f\n\n", icellular_val);
wajahat.abbas@u-blox.com 0:4858efb34078 164
wajahat.abbas@u-blox.com 0:4858efb34078 165 return icellular_val;
wajahat.abbas@u-blox.com 0:4858efb34078 166 }
wajahat.abbas@u-blox.com 0:4858efb34078 167
wajahat.abbas@u-blox.com 0:4858efb34078 168 void icell_thread_handler() {
wajahat.abbas@u-blox.com 0:4858efb34078 169
wajahat.abbas@u-blox.com 0:4858efb34078 170 while(1) {
wajahat.abbas@u-blox.com 0:4858efb34078 171 Thread::wait(2000);
wajahat.abbas@u-blox.com 0:4858efb34078 172 calculate_icellular_samples();
wajahat.abbas@u-blox.com 0:4858efb34078 173 }
wajahat.abbas@u-blox.com 0:4858efb34078 174 }
wajahat.abbas@u-blox.com 0:4858efb34078 175 #endif
wajahat.abbas@u-blox.com 0:4858efb34078 176 #endif
wajahat.abbas@u-blox.com 0:4858efb34078 177
wajahat.abbas@u-blox.com 0:4858efb34078 178 /* This example program for the u-blox C030-R410M board instantiates
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 179 * the UbloxATCellularInterface and uses it to make a simple sockets
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 180 * connection to a server, using 2.pool.ntp.org for UDP and
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 181 * developer.mbed.org for TCP. It also showcases the 3GPP PSM feature.
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 182 * For a more comprehensive example, where higher layer protocols
wajahat.abbas@u-blox.com 0:4858efb34078 183 * make use of the same sockets interface, see example-ublox-mbed-client.
wajahat.abbas@u-blox.com 0:4858efb34078 184 * Progress may be monitored with a serial terminal running at 9600 baud.
wajahat.abbas@u-blox.com 0:4858efb34078 185 * The LED on the C030 board will turn green when this program is
wajahat.abbas@u-blox.com 0:4858efb34078 186 * operating correctly, pulse blue when a sockets operation is completed
wajahat.abbas@u-blox.com 0:4858efb34078 187 * and turn red if there is a failure.
wajahat.abbas@u-blox.com 0:4858efb34078 188 */
wajahat.abbas@u-blox.com 0:4858efb34078 189 int main()
wajahat.abbas@u-blox.com 0:4858efb34078 190 {
wajahat.abbas@u-blox.com 0:4858efb34078 191 #ifdef TARGET_UBLOX_C030_R412M
wajahat.abbas@u-blox.com 0:4858efb34078 192 #ifdef CURRENT_MEASUREMENT
wajahat.abbas@u-blox.com 0:4858efb34078 193 //current monitoring using Icellular
wajahat.abbas@u-blox.com 0:4858efb34078 194 icell_thread.start(icell_thread_handler);
wajahat.abbas@u-blox.com 0:4858efb34078 195 #endif
wajahat.abbas@u-blox.com 0:4858efb34078 196 int status = 0, pt = 0, at = 0;
wajahat.abbas@u-blox.com 0:4858efb34078 197 #endif
wajahat.abbas@u-blox.com 0:4858efb34078 198 INTERFACE_CLASS *interface = new INTERFACE_CLASS();
wajahat.abbas@u-blox.com 0:4858efb34078 199 // If you need to debug the cellular interface, comment out the
wajahat.abbas@u-blox.com 0:4858efb34078 200 // instantiation above and uncomment the one below.
wajahat.abbas@u-blox.com 0:4858efb34078 201 // For the N2xx interface, change xxx to MBED_CONF_UBLOX_CELL_BAUD_RATE,
wajahat.abbas@u-blox.com 0:4858efb34078 202 // while for the non-N2xx interface change it to MBED_CONF_UBLOX_CELL_N2XX_BAUD_RATE.
wajahat.abbas@u-blox.com 0:4858efb34078 203 // INTERFACE_CLASS *interface = new INTERFACE_CLASS(MDMTXD, MDMRXD,
wajahat.abbas@u-blox.com 0:4858efb34078 204 // xxx,
wajahat.abbas@u-blox.com 0:4858efb34078 205 // true);
wajahat.abbas@u-blox.com 0:4858efb34078 206 #ifndef TARGET_UBLOX_C030_N211
wajahat.abbas@u-blox.com 0:4858efb34078 207 TCPSocket sockTcp;
wajahat.abbas@u-blox.com 0:4858efb34078 208 #endif
wajahat.abbas@u-blox.com 0:4858efb34078 209 UDPSocket sockUdp;
wajahat.abbas@u-blox.com 0:4858efb34078 210 SocketAddress udpServer;
wajahat.abbas@u-blox.com 0:4858efb34078 211 SocketAddress udpSenderAddress;
wajahat.abbas@u-blox.com 0:4858efb34078 212 SocketAddress tcpServer;
wajahat.abbas@u-blox.com 0:4858efb34078 213 char buf[1024];
wajahat.abbas@u-blox.com 0:4858efb34078 214 int x;
wajahat.abbas@u-blox.com 0:4858efb34078 215 #ifdef TARGET_UBLOX_C027
wajahat.abbas@u-blox.com 0:4858efb34078 216 // No user button on C027
wajahat.abbas@u-blox.com 0:4858efb34078 217 InterruptIn userButton(NC);
wajahat.abbas@u-blox.com 0:4858efb34078 218 #else
wajahat.abbas@u-blox.com 0:4858efb34078 219 InterruptIn userButton(SW0);
wajahat.abbas@u-blox.com 0:4858efb34078 220 #endif
wajahat.abbas@u-blox.com 0:4858efb34078 221
wajahat.abbas@u-blox.com 0:4858efb34078 222 // Attach a function to the user button
wajahat.abbas@u-blox.com 0:4858efb34078 223 userButton.rise(&cbButton);
wajahat.abbas@u-blox.com 0:4858efb34078 224
wajahat.abbas@u-blox.com 0:4858efb34078 225 good();
wajahat.abbas@u-blox.com 0:4858efb34078 226 printf("Initializing modem, please wait.\n");
wajahat.abbas@u-blox.com 0:4858efb34078 227 if (interface->init(PIN) == false) //setup modem
wajahat.abbas@u-blox.com 0:4858efb34078 228 {
wajahat.abbas@u-blox.com 0:4858efb34078 229 bad();
wajahat.abbas@u-blox.com 0:4858efb34078 230 printf("Failed to Initialize modem\n");
wajahat.abbas@u-blox.com 0:4858efb34078 231 while(1);
wajahat.abbas@u-blox.com 0:4858efb34078 232 }
wajahat.abbas@u-blox.com 0:4858efb34078 233 printf("Initialization complete.\n");
wajahat.abbas@u-blox.com 0:4858efb34078 234 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 235
wajahat.abbas@u-blox.com 0:4858efb34078 236 #ifdef TARGET_UBLOX_C030_R412M
wajahat.abbas@u-blox.com 0:4858efb34078 237 printf("Enabling PSM...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 238 if (interface->set_power_saving_mode(120, 30)) { //enable PSM
wajahat.abbas@u-blox.com 0:4858efb34078 239 printf("PSM enabled. Attaching CB function and rebooting the module\n");
wajahat.abbas@u-blox.com 0:4858efb34078 240 interface->attach_cb_psm_going_in(&psm_going_in_cb, NULL); //register callback
wajahat.abbas@u-blox.com 0:4858efb34078 241
wajahat.abbas@u-blox.com 0:4858efb34078 242 //reset modem so that PSM settings can take effect
wajahat.abbas@u-blox.com 0:4858efb34078 243 interface->reboot_modem();
wajahat.abbas@u-blox.com 0:4858efb34078 244 wait_ms(5000); //give modem a little time
wajahat.abbas@u-blox.com 0:4858efb34078 245
wajahat.abbas@u-blox.com 0:4858efb34078 246 printf("please wait up to 180 seconds for network registration to complete...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 247 //try to re-init modem and perform registration
wajahat.abbas@u-blox.com 0:4858efb34078 248 for (x = 0; interface->connect(PIN) != 0; x++) {
wajahat.abbas@u-blox.com 0:4858efb34078 249 if (x > 0) {
wajahat.abbas@u-blox.com 0:4858efb34078 250 bad();
wajahat.abbas@u-blox.com 0:4858efb34078 251 printf("Retrying (have you checked that an antenna is plugged in and your APN is correct?)...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 252 }
wajahat.abbas@u-blox.com 0:4858efb34078 253 }
wajahat.abbas@u-blox.com 0:4858efb34078 254
wajahat.abbas@u-blox.com 0:4858efb34078 255 interface->get_power_saving_mode(&status, &pt, &at); //read assigned values
wajahat.abbas@u-blox.com 0:4858efb34078 256 printf("PSM status: %s\nAssigned Periodic TAU: %d\nAssigned Active time: %d\n", status ? "enabled" : "disabled", pt, at);
wajahat.abbas@u-blox.com 0:4858efb34078 257 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 258 }
wajahat.abbas@u-blox.com 0:4858efb34078 259
wajahat.abbas@u-blox.com 0:4858efb34078 260 //sometimes modem goes in to PSM before we can do any UDP/TCP transfers
wajahat.abbas@u-blox.com 0:4858efb34078 261 if (modem_asleep == true) {
wajahat.abbas@u-blox.com 0:4858efb34078 262 printf("Modem is in PSM, waking up and initializing it\n");
wajahat.abbas@u-blox.com 0:4858efb34078 263 interface->wakeup_modem(); //this wakes up the modem and also CellularBase gets synced with modem state.
wajahat.abbas@u-blox.com 0:4858efb34078 264 init_modem(interface);
wajahat.abbas@u-blox.com 0:4858efb34078 265 modem_asleep = false;
wajahat.abbas@u-blox.com 0:4858efb34078 266 printf("Initialization complete\n");
wajahat.abbas@u-blox.com 0:4858efb34078 267 }
wajahat.abbas@u-blox.com 0:4858efb34078 268 #endif
wajahat.abbas@u-blox.com 0:4858efb34078 269
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 270 printf("\nGetting the IP address of \"" TCP_SERVER "\" and \"2.pool.ntp.org\"...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 271 if ((interface->gethostbyname("2.pool.ntp.org", &udpServer) == 0) &&
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 272 (interface->gethostbyname(TCP_SERVER, &tcpServer) == 0)) {
wajahat.abbas@u-blox.com 0:4858efb34078 273 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 274
wajahat.abbas@u-blox.com 0:4858efb34078 275 udpServer.set_port(123);
wajahat.abbas@u-blox.com 0:4858efb34078 276 printf("\"2.pool.ntp.org\" address: %s on port %d.\n", udpServer.get_ip_address(), udpServer.get_port());
wajahat.abbas@u-blox.com 2:500c4fe5b9a4 277 printf("\"" TCP_SERVER "\" address: %s on port %d.\n", tcpServer.get_ip_address(), tcpServer.get_port());
wajahat.abbas@u-blox.com 0:4858efb34078 278 tcpServer.set_port(80);
wajahat.abbas@u-blox.com 0:4858efb34078 279
wajahat.abbas@u-blox.com 0:4858efb34078 280 printf("Performing socket operations in a loop (until the user button is pressed on C030 or forever on C027)...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 281 while (!buttonPressed) {
wajahat.abbas@u-blox.com 0:4858efb34078 282 #ifdef TARGET_UBLOX_C030_R412M
wajahat.abbas@u-blox.com 0:4858efb34078 283 if (modem_asleep == true) {
wajahat.abbas@u-blox.com 0:4858efb34078 284 printf("Modem is in PSM, waking up and initializing it\n");
wajahat.abbas@u-blox.com 0:4858efb34078 285 interface->wakeup_modem(); //this wakes up the modem and also CellularBase gets synced with modem state.
wajahat.abbas@u-blox.com 0:4858efb34078 286 init_modem(interface);
wajahat.abbas@u-blox.com 0:4858efb34078 287 modem_asleep = false;
wajahat.abbas@u-blox.com 0:4858efb34078 288 printf("Initialization complete\n");
wajahat.abbas@u-blox.com 0:4858efb34078 289 wait_ms(5000);
wajahat.abbas@u-blox.com 0:4858efb34078 290 } else {
wajahat.abbas@u-blox.com 0:4858efb34078 291 #endif
wajahat.abbas@u-blox.com 0:4858efb34078 292 printf("Opening a UDP socket...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 293 if ((sockUdp.open(interface)) == 0) {
wajahat.abbas@u-blox.com 0:4858efb34078 294 // UDP Sockets
wajahat.abbas@u-blox.com 0:4858efb34078 295 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 296 printf("UDP socket open.\n");
wajahat.abbas@u-blox.com 0:4858efb34078 297 sockUdp.set_timeout(20000);
wajahat.abbas@u-blox.com 0:4858efb34078 298 printf("Sending time request to \"2.pool.ntp.org\" over UDP socket...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 299 memset (buf, 0, sizeof(buf));
wajahat.abbas@u-blox.com 0:4858efb34078 300 *buf = '\x1b';
wajahat.abbas@u-blox.com 0:4858efb34078 301 if (sockUdp.sendto(udpServer, (void *) buf, 48) == 48) {
wajahat.abbas@u-blox.com 0:4858efb34078 302 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 303 printf("Socket send completed, waiting for UDP response...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 304 x = sockUdp.recvfrom(&udpSenderAddress, buf, sizeof (buf));
wajahat.abbas@u-blox.com 0:4858efb34078 305 if (x > 0) {
wajahat.abbas@u-blox.com 0:4858efb34078 306 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 307 printf("Received %d byte response from server %s on UDP socket:\n"
wajahat.abbas@u-blox.com 0:4858efb34078 308 "-------------------------------------------------------\n",
wajahat.abbas@u-blox.com 0:4858efb34078 309 x, udpSenderAddress.get_ip_address());
wajahat.abbas@u-blox.com 0:4858efb34078 310 printNtpTime(buf, x);
wajahat.abbas@u-blox.com 0:4858efb34078 311 printf("-------------------------------------------------------\n");
wajahat.abbas@u-blox.com 0:4858efb34078 312 }
wajahat.abbas@u-blox.com 0:4858efb34078 313 }
wajahat.abbas@u-blox.com 0:4858efb34078 314 printf("Closing socket...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 315 sockUdp.close();
wajahat.abbas@u-blox.com 0:4858efb34078 316 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 317 printf("Socket closed.\n");
wajahat.abbas@u-blox.com 0:4858efb34078 318 }
wajahat.abbas@u-blox.com 0:4858efb34078 319 #ifndef TARGET_UBLOX_C030_N211
wajahat.abbas@u-blox.com 0:4858efb34078 320 printf("Opening a TCP socket...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 321 if ((sockTcp.open(interface)) == 0) {
wajahat.abbas@u-blox.com 0:4858efb34078 322 // TCP Sockets
wajahat.abbas@u-blox.com 0:4858efb34078 323 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 324 printf("TCP socket open.\n");
wajahat.abbas@u-blox.com 0:4858efb34078 325 sockTcp.set_timeout(10000);
wajahat.abbas@u-blox.com 0:4858efb34078 326 printf("Connecting socket to %s on port %d...\n", tcpServer.get_ip_address(), tcpServer.get_port());
wajahat.abbas@u-blox.com 0:4858efb34078 327 if (sockTcp.connect(tcpServer) == 0) {
wajahat.abbas@u-blox.com 0:4858efb34078 328 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 329 printf("Connected, sending HTTP GET request to \"developer.mbed.org\" over socket...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 330 strcpy (buf, "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\r\n\r\n");
wajahat.abbas@u-blox.com 0:4858efb34078 331 // Note: since this is a short string we can send it in one go as it will
wajahat.abbas@u-blox.com 0:4858efb34078 332 // fit within the default buffer sizes. Normally you should call sock.send()
wajahat.abbas@u-blox.com 0:4858efb34078 333 // in a loop until your entire buffer has been sent.
wajahat.abbas@u-blox.com 0:4858efb34078 334 if (sockTcp.send((void *) buf, strlen(buf)) == (int) strlen(buf)) {
wajahat.abbas@u-blox.com 0:4858efb34078 335 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 336 printf("Socket send completed, waiting for response...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 337 x = sockTcp.recv(buf, sizeof (buf));
wajahat.abbas@u-blox.com 0:4858efb34078 338 if (x > 0) {
wajahat.abbas@u-blox.com 0:4858efb34078 339 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 340 printf("Received %d byte response from server on TCP socket:\n"
wajahat.abbas@u-blox.com 0:4858efb34078 341 "----------------------------------------------------\n%.*s"
wajahat.abbas@u-blox.com 0:4858efb34078 342 "----------------------------------------------------\n",
wajahat.abbas@u-blox.com 0:4858efb34078 343 x, x, buf);
wajahat.abbas@u-blox.com 0:4858efb34078 344 }
wajahat.abbas@u-blox.com 0:4858efb34078 345 }
wajahat.abbas@u-blox.com 0:4858efb34078 346 }
wajahat.abbas@u-blox.com 0:4858efb34078 347 printf("Closing socket...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 348 sockTcp.close();
wajahat.abbas@u-blox.com 0:4858efb34078 349 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 350 printf("Socket closed.\n");
wajahat.abbas@u-blox.com 0:4858efb34078 351 }
wajahat.abbas@u-blox.com 0:4858efb34078 352 #ifdef TARGET_UBLOX_C030_R412M
wajahat.abbas@u-blox.com 0:4858efb34078 353 while(modem_asleep == false) { //modem is awake, let it go to sleep again
wajahat.abbas@u-blox.com 0:4858efb34078 354 printf("Waiting for modem to go to PSM sleep\n");
wajahat.abbas@u-blox.com 0:4858efb34078 355 wait_ms(5000);
wajahat.abbas@u-blox.com 0:4858efb34078 356 }
wajahat.abbas@u-blox.com 0:4858efb34078 357 }
wajahat.abbas@u-blox.com 0:4858efb34078 358 #endif /* TARGET_UBLOX_C030_R412M */
wajahat.abbas@u-blox.com 0:4858efb34078 359 #endif /* TARGET_UBLOX_C030_N211 */
wajahat.abbas@u-blox.com 0:4858efb34078 360
wajahat.abbas@u-blox.com 0:4858efb34078 361 wait_ms(5000);
wajahat.abbas@u-blox.com 0:4858efb34078 362 #ifndef TARGET_UBLOX_C027
wajahat.abbas@u-blox.com 0:4858efb34078 363 printf("\n\n[Checking if user button has been pressed]\n");
wajahat.abbas@u-blox.com 0:4858efb34078 364 #endif
wajahat.abbas@u-blox.com 0:4858efb34078 365 }
wajahat.abbas@u-blox.com 0:4858efb34078 366
wajahat.abbas@u-blox.com 0:4858efb34078 367 pulseEvent();
wajahat.abbas@u-blox.com 0:4858efb34078 368 printf("User button was pressed, stopping...\n");
wajahat.abbas@u-blox.com 0:4858efb34078 369 interface->disconnect();
wajahat.abbas@u-blox.com 0:4858efb34078 370 ledOff();
wajahat.abbas@u-blox.com 0:4858efb34078 371 printf("Stopped.\n");
wajahat.abbas@u-blox.com 0:4858efb34078 372 } else {
wajahat.abbas@u-blox.com 0:4858efb34078 373 bad();
wajahat.abbas@u-blox.com 0:4858efb34078 374 printf("Unable to get IP address of \"developer.mbed.org\" or \"2.pool.ntp.org\".\n");
wajahat.abbas@u-blox.com 0:4858efb34078 375 }
wajahat.abbas@u-blox.com 0:4858efb34078 376 }
wajahat.abbas@u-blox.com 0:4858efb34078 377
wajahat.abbas@u-blox.com 0:4858efb34078 378 // End Of File