Point Labs / Mbed OS example-geneva-cellular-interface

this is a direct fork of example-ublox-cellular-interface that adds support for USBSerial, and leverages the geneva-cellular-driver library.

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

main.cpp@42:33504aa2fe69, 2019-09-04 (annotated)

Committer:
rlanders73
Date:
Wed Sep 04 02:25:09 2019 +0000
Revision:
42:33504aa2fe69
Parent:
38:e09e02c31ba1 
using the geneva cellular meta driver

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rob.meades@u-blox.com 1:581335dbdd60 1 /* mbed Microcontroller Library
rob.meades@u-blox.com 1:581335dbdd60 2 * Copyright (c) 2017 u-blox
rob.meades@u-blox.com 1:581335dbdd60 3 *
rob.meades@u-blox.com 1:581335dbdd60 4 * Licensed under the Apache License, Version 2.0 (the "License");
rob.meades@u-blox.com 1:581335dbdd60 5 * you may not use this file except in compliance with the License.
rob.meades@u-blox.com 1:581335dbdd60 6 * You may obtain a copy of the License at
rob.meades@u-blox.com 1:581335dbdd60 7 *
rob.meades@u-blox.com 1:581335dbdd60 8 * http://www.apache.org/licenses/LICENSE-2.0
rob.meades@u-blox.com 1:581335dbdd60 9 *
rob.meades@u-blox.com 1:581335dbdd60 10 * Unless required by applicable law or agreed to in writing, software
rob.meades@u-blox.com 1:581335dbdd60 11 * distributed under the License is distributed on an "AS IS" BASIS,
rob.meades@u-blox.com 1:581335dbdd60 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rob.meades@u-blox.com 1:581335dbdd60 13 * See the License for the specific language governing permissions and
rob.meades@u-blox.com 1:581335dbdd60 14 * limitations under the License.
rob.meades@u-blox.com 1:581335dbdd60 15 */
rob.meades@u-blox.com 1:581335dbdd60 16 #include "mbed.h"
rob.meades@u-blox.com 1:581335dbdd60 17 #include "UbloxATCellularInterface.h"
RobMeades 8:3e170c40a284 18
rlanders73 42:33504aa2fe69 19 #include "USBSerial.h"
rlanders73 42:33504aa2fe69 20 /******************** Comms *********************/
rlanders73 42:33504aa2fe69 21 USBSerial pc(true);
rlanders73 42:33504aa2fe69 22 FileHandle* mbed::mbed_override_console(int)
rlanders73 42:33504aa2fe69 23 {
rlanders73 42:33504aa2fe69 24 return &pc;
rlanders73 42:33504aa2fe69 25 }
rob.meades@u-blox.com 31:4a36566b5385 26 // You must select the correct interface library for your board, by
rob.meades@u-blox.com 31:4a36566b5385 27 // uncommenting the correct line below. Supported combinations are
rob.meades@u-blox.com 31:4a36566b5385 28 // indicated with a "Y" in the table below.
rob.meades@u-blox.com 28:e33af9f1ce3e 29 //
wajahat.abbas@u-blox.com 38:e09e02c31ba1 30 // C030_U201 C030_N211 C027 C030_R41XM
wajahat.abbas@u-blox.com 38:e09e02c31ba1 31 // UbloxATCellularInterface Y - Y Y
wajahat.abbas@u-blox.com 38:e09e02c31ba1 32 // UbloxATCellularInterfaceN2xx - Y - -
rob.meades@u-blox.com 28:e33af9f1ce3e 33 // Note: the N211 module supports only UDP, not TCP
rob.meades@u-blox.com 28:e33af9f1ce3e 34
wajahat.abbas@u-blox.com 38:e09e02c31ba1 35 // UbloxATCellularInterface and UbloxATCellularInterfaceN2xx
wajahat.abbas@u-blox.com 38:e09e02c31ba1 36 // uses an IP stack on the cellular module and hence uses less RAM (significant on C027).
wajahat.abbas@u-blox.com 38:e09e02c31ba1 37 // This also allows other AT command operations (e.g. sending an SMS) to happen
rob.meades@u-blox.com 28:e33af9f1ce3e 38 // during a data transfer (for which you should replace the
rob.meades@u-blox.com 28:e33af9f1ce3e 39 // UbloxATCellularInterface library with the UbloxATCellularInterfaceExt
rob.meades@u-blox.com 28:e33af9f1ce3e 40 // library). However, it is slower than using the LWIP/PPP on the mbed
rob.meades@u-blox.com 28:e33af9f1ce3e 41 // MCU interface since more string parsing is required.
RobMeades 8:3e170c40a284 42 #define INTERFACE_CLASS UbloxATCellularInterface
rob.meades@u-blox.com 1:581335dbdd60 43
rob.meades@u-blox.com 1:581335dbdd60 44 // The credentials of the SIM in the board. If PIN checking is enabled
rob.meades@u-blox.com 1:581335dbdd60 45 // for your SIM card you must set this to the required PIN.
rob.meades@u-blox.com 1:581335dbdd60 46 #define PIN "0000"
rob.meades@u-blox.com 1:581335dbdd60 47
rob.meades@u-blox.com 1:581335dbdd60 48 // Network credentials. You should set this according to your
rob.meades@u-blox.com 30:4e55e975dd0b 49 // network/SIM card. For C030 non-N2xx boards, leave the parameters as NULL
rob.meades@u-blox.com 1:581335dbdd60 50 // otherwise, if you do not know the APN for your network, you may
rob.meades@u-blox.com 1:581335dbdd60 51 // either try the fairly common "internet" for the APN (and leave the
rob.meades@u-blox.com 1:581335dbdd60 52 // username and password NULL), or you may leave all three as NULL and then
rob.meades@u-blox.com 1:581335dbdd60 53 // a lookup will be attempted for a small number of known networks
rob.meades@u-blox.com 1:581335dbdd60 54 // (see APN_db.h in mbed-os/features/netsocket/cellular/utils).
rlanders73 42:33504aa2fe69 55 #define APN "hologram"
rob.meades@u-blox.com 1:581335dbdd60 56 #define USERNAME NULL
rob.meades@u-blox.com 1:581335dbdd60 57 #define PASSWORD NULL
fahim.alavi@u-blox.com 35:8e65f2bee044 58 #define TCP_SERVER "os.mbed.com"
rob.meades@u-blox.com 1:581335dbdd60 59
rob.meades@u-blox.com 1:581335dbdd60 60 // LEDs
rlanders73 42:33504aa2fe69 61 DigitalOut ledRed(LED_RED, 1);
rlanders73 42:33504aa2fe69 62 DigitalOut ledGreen(LED_GREEN, 1);
rlanders73 42:33504aa2fe69 63 DigitalOut ledBlue(LED_BLUE, 1);
rob.meades@u-blox.com 1:581335dbdd60 64
rob.meades@u-blox.com 1:581335dbdd60 65 // The user button
rob.meades@u-blox.com 1:581335dbdd60 66 volatile bool buttonPressed = false;
rob.meades@u-blox.com 1:581335dbdd60 67
rob.meades@u-blox.com 1:581335dbdd60 68 static void good() {
rob.meades@u-blox.com 1:581335dbdd60 69 ledGreen = 0;
rob.meades@u-blox.com 1:581335dbdd60 70 ledBlue = 1;
rob.meades@u-blox.com 1:581335dbdd60 71 ledRed = 1;
rob.meades@u-blox.com 1:581335dbdd60 72 }
rob.meades@u-blox.com 1:581335dbdd60 73
rob.meades@u-blox.com 1:581335dbdd60 74 static void bad() {
rob.meades@u-blox.com 1:581335dbdd60 75 ledRed = 0;
rob.meades@u-blox.com 1:581335dbdd60 76 ledGreen = 1;
rob.meades@u-blox.com 1:581335dbdd60 77 ledBlue = 1;
rob.meades@u-blox.com 1:581335dbdd60 78 }
rob.meades@u-blox.com 1:581335dbdd60 79
rob.meades@u-blox.com 1:581335dbdd60 80 static void event() {
rob.meades@u-blox.com 1:581335dbdd60 81 ledBlue = 0;
rob.meades@u-blox.com 1:581335dbdd60 82 ledRed = 1;
rob.meades@u-blox.com 1:581335dbdd60 83 ledGreen = 1;
rob.meades@u-blox.com 1:581335dbdd60 84 }
rob.meades@u-blox.com 1:581335dbdd60 85
rob.meades@u-blox.com 1:581335dbdd60 86 static void pulseEvent() {
rob.meades@u-blox.com 1:581335dbdd60 87 event();
rob.meades@u-blox.com 1:581335dbdd60 88 wait_ms(500);
rob.meades@u-blox.com 1:581335dbdd60 89 good();
rob.meades@u-blox.com 1:581335dbdd60 90 }
rob.meades@u-blox.com 1:581335dbdd60 91
rob.meades@u-blox.com 1:581335dbdd60 92 static void ledOff() {
rob.meades@u-blox.com 1:581335dbdd60 93 ledBlue = 1;
rob.meades@u-blox.com 1:581335dbdd60 94 ledRed = 1;
rob.meades@u-blox.com 1:581335dbdd60 95 ledGreen = 1;
rob.meades@u-blox.com 1:581335dbdd60 96 }
rob.meades@u-blox.com 1:581335dbdd60 97
rob.meades@u-blox.com 1:581335dbdd60 98 static void printNtpTime(char * buf, int len)
rob.meades@u-blox.com 1:581335dbdd60 99 {
rob.meades@u-blox.com 1:581335dbdd60 100 time_t timestamp = 0;
rob.meades@u-blox.com 1:581335dbdd60 101 struct tm *localTime;
rob.meades@u-blox.com 1:581335dbdd60 102 char timeString[25];
rob.meades@u-blox.com 1:581335dbdd60 103 time_t TIME1970 = 2208988800U;
rob.meades@u-blox.com 1:581335dbdd60 104
rob.meades@u-blox.com 1:581335dbdd60 105 if (len >= 43) {
rob.meades@u-blox.com 1:581335dbdd60 106 timestamp |= ((int) *(buf + 40)) << 24;
rob.meades@u-blox.com 1:581335dbdd60 107 timestamp |= ((int) *(buf + 41)) << 16;
rob.meades@u-blox.com 1:581335dbdd60 108 timestamp |= ((int) *(buf + 42)) << 8;
rob.meades@u-blox.com 1:581335dbdd60 109 timestamp |= ((int) *(buf + 43));
rob.meades@u-blox.com 1:581335dbdd60 110 timestamp -= TIME1970;
rob.meades@u-blox.com 1:581335dbdd60 111 localTime = localtime(&timestamp);
rob.meades@u-blox.com 1:581335dbdd60 112 if (localTime) {
rob.meades@u-blox.com 1:581335dbdd60 113 if (strftime(timeString, sizeof(timeString), "%a %b %d %H:%M:%S %Y", localTime) > 0) {
rob.meades@u-blox.com 1:581335dbdd60 114 printf("NTP timestamp is %s.\n", timeString);
rob.meades@u-blox.com 1:581335dbdd60 115 }
rob.meades@u-blox.com 1:581335dbdd60 116 }
rob.meades@u-blox.com 1:581335dbdd60 117 }
rob.meades@u-blox.com 1:581335dbdd60 118 }
rob.meades@u-blox.com 1:581335dbdd60 119
rob.meades@u-blox.com 1:581335dbdd60 120 static void cbButton()
rob.meades@u-blox.com 1:581335dbdd60 121 {
rob.meades@u-blox.com 1:581335dbdd60 122 buttonPressed = true;
rob.meades@u-blox.com 1:581335dbdd60 123 }
rob.meades@u-blox.com 1:581335dbdd60 124
rob.meades@u-blox.com 1:581335dbdd60 125 /* This example program for the u-blox C030 and C027 boards instantiates
wajahat.abbas@u-blox.com 38:e09e02c31ba1 126 * the UbloxATCellularInterface and uses it to make a simple sockets
wajahat.abbas@u-blox.com 38:e09e02c31ba1 127 * connection to a server, using 2.pool.ntp.org for UDP and developer.mbed.org for TCP.
wajahat.abbas@u-blox.com 38:e09e02c31ba1 128 * For a more comprehensive example, where higher layer protocols
wajahat.abbas@u-blox.com 38:e09e02c31ba1 129 * make use of the same sockets interface, see example-ublox-mbed-client.
rob.meades@u-blox.com 1:581335dbdd60 130 * Progress may be monitored with a serial terminal running at 9600 baud.
rob.meades@u-blox.com 1:581335dbdd60 131 * The LED on the C030 board will turn green when this program is
rob.meades@u-blox.com 1:581335dbdd60 132 * operating correctly, pulse blue when a sockets operation is completed
rob.meades@u-blox.com 1:581335dbdd60 133 * and turn red if there is a failure.
rob.meades@u-blox.com 1:581335dbdd60 134 */
rob.meades@u-blox.com 1:581335dbdd60 135
rob.meades@u-blox.com 1:581335dbdd60 136 int main()
rob.meades@u-blox.com 1:581335dbdd60 137 {
rlanders73 42:33504aa2fe69 138 // INTERFACE_CLASS *interface = new INTERFACE_CLASS();
RobMeades 5:bf352de1d3e5 139 // If you need to debug the cellular interface, comment out the
RobMeades 5:bf352de1d3e5 140 // instantiation above and uncomment the one below.
rob.meades@u-blox.com 31:4a36566b5385 141 // For the N2xx interface, change xxx to MBED_CONF_UBLOX_CELL_BAUD_RATE,
rob.meades@u-blox.com 31:4a36566b5385 142 // while for the non-N2xx interface change it to MBED_CONF_UBLOX_CELL_N2XX_BAUD_RATE.
rlanders73 42:33504aa2fe69 143 INTERFACE_CLASS *interface = new INTERFACE_CLASS(MDMTXD, MDMRXD,
rlanders73 42:33504aa2fe69 144 115200,
rlanders73 42:33504aa2fe69 145 true);
rob.meades@u-blox.com 28:e33af9f1ce3e 146 #ifndef TARGET_UBLOX_C030_N211
rob.meades@u-blox.com 1:581335dbdd60 147 TCPSocket sockTcp;
rob.meades@u-blox.com 28:e33af9f1ce3e 148 #endif
rob.meades@u-blox.com 1:581335dbdd60 149 UDPSocket sockUdp;
rob.meades@u-blox.com 1:581335dbdd60 150 SocketAddress udpServer;
rob.meades@u-blox.com 1:581335dbdd60 151 SocketAddress udpSenderAddress;
rob.meades@u-blox.com 1:581335dbdd60 152 SocketAddress tcpServer;
rob.meades@u-blox.com 1:581335dbdd60 153 char buf[1024];
rob.meades@u-blox.com 1:581335dbdd60 154 int x;
RobMeades 4:3e2b789c3adc 155 #ifdef TARGET_UBLOX_C027
RobMeades 4:3e2b789c3adc 156 // No user button on C027
RobMeades 4:3e2b789c3adc 157 InterruptIn userButton(NC);
RobMeades 4:3e2b789c3adc 158 #else
rlanders73 42:33504aa2fe69 159 InterruptIn userButton(USR_BTN);
RobMeades 4:3e2b789c3adc 160 #endif
rob.meades@u-blox.com 1:581335dbdd60 161
rob.meades@u-blox.com 1:581335dbdd60 162 // Attach a function to the user button
rob.meades@u-blox.com 1:581335dbdd60 163 userButton.rise(&cbButton);
rob.meades@u-blox.com 1:581335dbdd60 164
rob.meades@u-blox.com 1:581335dbdd60 165 good();
rob.meades@u-blox.com 1:581335dbdd60 166 printf("Starting up, please wait up to 180 seconds for network registration to complete...\n");
RobMeades 33:48101a4c3f14 167 interface->set_credentials(APN, USERNAME, PASSWORD);
RobMeades 33:48101a4c3f14 168 for (x = 0; interface->connect(PIN) != 0; x++) {
RobMeades 33:48101a4c3f14 169 if (x > 0) {
RobMeades 33:48101a4c3f14 170 bad();
RobMeades 33:48101a4c3f14 171 printf("Retrying (have you checked that an antenna is plugged in and your APN is correct?)...\n");
RobMeades 33:48101a4c3f14 172 }
RobMeades 33:48101a4c3f14 173 }
RobMeades 33:48101a4c3f14 174 pulseEvent();
RobMeades 33:48101a4c3f14 175
RobMeades 33:48101a4c3f14 176 printf("Getting the IP address of \"developer.mbed.org\" and \"2.pool.ntp.org\"...\n");
RobMeades 33:48101a4c3f14 177 if ((interface->gethostbyname("2.pool.ntp.org", &udpServer) == 0) &&
fahim.alavi@u-blox.com 35:8e65f2bee044 178 (interface->gethostbyname(TCP_SERVER, &tcpServer) == 0)) {
rob.meades@u-blox.com 1:581335dbdd60 179 pulseEvent();
RobMeades 33:48101a4c3f14 180
RobMeades 33:48101a4c3f14 181 udpServer.set_port(123);
fahim.alavi@u-blox.com 35:8e65f2bee044 182 tcpServer.set_port(80);
RobMeades 33:48101a4c3f14 183 printf("\"2.pool.ntp.org\" address: %s on port %d.\n", udpServer.get_ip_address(), udpServer.get_port());
fahim.alavi@u-blox.com 35:8e65f2bee044 184 printf("\"os.mbed.com\" address: %s on port %d.\n", tcpServer.get_ip_address(), tcpServer.get_port());
rob.meades@u-blox.com 28:e33af9f1ce3e 185
RobMeades 33:48101a4c3f14 186 printf("Performing socket operations in a loop (until the user button is pressed on C030 or forever on C027)...\n");
RobMeades 33:48101a4c3f14 187 while (!buttonPressed) {
RobMeades 33:48101a4c3f14 188 // UDP Sockets
RobMeades 33:48101a4c3f14 189 printf("=== UDP ===\n");
RobMeades 33:48101a4c3f14 190 printf("Opening a UDP socket...\n");
RobMeades 33:48101a4c3f14 191 if (sockUdp.open(interface) == 0) {
RobMeades 33:48101a4c3f14 192 pulseEvent();
RobMeades 33:48101a4c3f14 193 printf("UDP socket open.\n");
RobMeades 33:48101a4c3f14 194 sockUdp.set_timeout(10000);
RobMeades 33:48101a4c3f14 195 printf("Sending time request to \"2.pool.ntp.org\" over UDP socket...\n");
RobMeades 33:48101a4c3f14 196 memset (buf, 0, sizeof(buf));
RobMeades 33:48101a4c3f14 197 *buf = '\x1b';
RobMeades 33:48101a4c3f14 198 if (sockUdp.sendto(udpServer, (void *) buf, 48) == 48) {
rob.meades@u-blox.com 1:581335dbdd60 199 pulseEvent();
RobMeades 33:48101a4c3f14 200 printf("Socket send completed, waiting for UDP response...\n");
RobMeades 33:48101a4c3f14 201 x = sockUdp.recvfrom(&udpSenderAddress, buf, sizeof (buf));
RobMeades 33:48101a4c3f14 202 if (x > 0) {
rob.meades@u-blox.com 1:581335dbdd60 203 pulseEvent();
RobMeades 33:48101a4c3f14 204 printf("Received %d byte response from server %s on UDP socket:\n"
RobMeades 33:48101a4c3f14 205 "-------------------------------------------------------\n",
RobMeades 33:48101a4c3f14 206 x, udpSenderAddress.get_ip_address());
RobMeades 33:48101a4c3f14 207 printNtpTime(buf, x);
RobMeades 33:48101a4c3f14 208 printf("-------------------------------------------------------\n");
RobMeades 33:48101a4c3f14 209 }
RobMeades 33:48101a4c3f14 210 }
RobMeades 33:48101a4c3f14 211 printf("Closing socket...\n");
RobMeades 33:48101a4c3f14 212 sockUdp.close();
RobMeades 33:48101a4c3f14 213 pulseEvent();
RobMeades 33:48101a4c3f14 214 printf("Socket closed.\n");
RobMeades 33:48101a4c3f14 215 }
RobMeades 33:48101a4c3f14 216
RobMeades 33:48101a4c3f14 217 #ifndef TARGET_UBLOX_C030_N211
RobMeades 33:48101a4c3f14 218 // TCP Sockets
RobMeades 33:48101a4c3f14 219 printf("=== TCP ===\n");
RobMeades 33:48101a4c3f14 220 printf("Opening a TCP socket...\n");
RobMeades 33:48101a4c3f14 221 if (sockTcp.open(interface) == 0) {
RobMeades 33:48101a4c3f14 222 pulseEvent();
RobMeades 33:48101a4c3f14 223 printf("TCP socket open.\n");
RobMeades 33:48101a4c3f14 224 sockTcp.set_timeout(10000);
RobMeades 33:48101a4c3f14 225 printf("Connecting socket to %s on port %d...\n", tcpServer.get_ip_address(), tcpServer.get_port());
RobMeades 33:48101a4c3f14 226 if (sockTcp.connect(tcpServer) == 0) {
RobMeades 33:48101a4c3f14 227 pulseEvent();
fahim.alavi@u-blox.com 35:8e65f2bee044 228 printf("Connected, sending HTTP GET request to %s over socket...\n", TCP_SERVER);
RobMeades 33:48101a4c3f14 229 strcpy (buf, "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\r\n\r\n");
RobMeades 33:48101a4c3f14 230 // Note: since this is a short string we can send it in one go as it will
RobMeades 33:48101a4c3f14 231 // fit within the default buffer sizes. Normally you should call sock.send()
RobMeades 33:48101a4c3f14 232 // in a loop until your entire buffer has been sent.
RobMeades 33:48101a4c3f14 233 if (sockTcp.send((void *) buf, strlen(buf)) == (int) strlen(buf)) {
RobMeades 33:48101a4c3f14 234 pulseEvent();
RobMeades 33:48101a4c3f14 235 printf("Socket send completed, waiting for response...\n");
RobMeades 33:48101a4c3f14 236 x = sockTcp.recv(buf, sizeof (buf));
rob.meades@u-blox.com 1:581335dbdd60 237 if (x > 0) {
rob.meades@u-blox.com 1:581335dbdd60 238 pulseEvent();
RobMeades 33:48101a4c3f14 239 printf("Received %d byte response from server on TCP socket:\n"
RobMeades 33:48101a4c3f14 240 "----------------------------------------------------\n%.*s"
RobMeades 33:48101a4c3f14 241 "----------------------------------------------------\n",
RobMeades 33:48101a4c3f14 242 x, x, buf);
rob.meades@u-blox.com 1:581335dbdd60 243 }
rob.meades@u-blox.com 1:581335dbdd60 244 }
rob.meades@u-blox.com 1:581335dbdd60 245 }
RobMeades 33:48101a4c3f14 246 printf("Closing socket...\n");
RobMeades 33:48101a4c3f14 247 sockTcp.close();
RobMeades 33:48101a4c3f14 248 pulseEvent();
RobMeades 33:48101a4c3f14 249 printf("Socket closed.\n");
rob.meades@u-blox.com 1:581335dbdd60 250 }
RobMeades 33:48101a4c3f14 251 #endif
RobMeades 33:48101a4c3f14 252 wait_ms(5000);
RobMeades 33:48101a4c3f14 253 #ifndef TARGET_UBLOX_C027
RobMeades 33:48101a4c3f14 254 printf("[Checking if user button has been pressed]\n");
RobMeades 33:48101a4c3f14 255 #endif
rob.meades@u-blox.com 1:581335dbdd60 256 }
RobMeades 33:48101a4c3f14 257
RobMeades 33:48101a4c3f14 258 pulseEvent();
RobMeades 33:48101a4c3f14 259 printf("User button was pressed, stopping...\n");
RobMeades 33:48101a4c3f14 260 interface->disconnect();
RobMeades 33:48101a4c3f14 261 ledOff();
RobMeades 33:48101a4c3f14 262 printf("Stopped.\n");
rob.meades@u-blox.com 1:581335dbdd60 263 } else {
rob.meades@u-blox.com 1:581335dbdd60 264 bad();
RobMeades 33:48101a4c3f14 265 printf("Unable to get IP address of \"developer.mbed.org\" or \"2.pool.ntp.org\".\n");
rob.meades@u-blox.com 1:581335dbdd60 266 }
rob.meades@u-blox.com 1:581335dbdd60 267 }
RobMeades 32:bdc45c7052cc 268 // End Of File