Change tcp server.

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

Committer:
RobMeades
Date:
Wed Jun 14 10:28:45 2017 +0000
Revision:
10:1f35371d572d
Parent:
8:3e170c40a284
Child:
13:d31b8735cca8
Fix bug with use of NETWORK_INTERFACE macro.

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
rob.meades@u-blox.com 1:581335dbdd60 17 #include "mbed.h"
rob.meades@u-blox.com 1:581335dbdd60 18 #include "UbloxATCellularInterface.h"
RobMeades 8:3e170c40a284 19 #include "UbloxPPPCellularInterface.h"
RobMeades 8:3e170c40a284 20
RobMeades 8:3e170c40a284 21 // If you wish to use LWIP and the PPP cellular interface, select
RobMeades 8:3e170c40a284 22 // the line UbloxPPPCellularInterface, otherwise select the line
RobMeades 8:3e170c40a284 23 // UbloxATCellularInterface. Using the AT cellular interface does not
RobMeades 10:1f35371d572d 24 // require LWIP and hence uses less RAM (significant on C027). It also
RobMeades 8:3e170c40a284 25 // allows other AT command operations (e.g. sending an SMS) to happen
RobMeades 8:3e170c40a284 26 // during a data transfer.
RobMeades 8:3e170c40a284 27 #define INTERFACE_CLASS UbloxATCellularInterface
RobMeades 8:3e170c40a284 28 //#define INTERFACE_CLASS UbloxPPPCellularInterface
rob.meades@u-blox.com 1:581335dbdd60 29
rob.meades@u-blox.com 1:581335dbdd60 30 // The credentials of the SIM in the board. If PIN checking is enabled
rob.meades@u-blox.com 1:581335dbdd60 31 // for your SIM card you must set this to the required PIN.
rob.meades@u-blox.com 1:581335dbdd60 32 #define PIN "0000"
rob.meades@u-blox.com 1:581335dbdd60 33
rob.meades@u-blox.com 1:581335dbdd60 34 // Network credentials. You should set this according to your
rob.meades@u-blox.com 1:581335dbdd60 35 // network/SIM card. For C030 boards, leave the parameters as NULL
rob.meades@u-blox.com 1:581335dbdd60 36 // otherwise, if you do not know the APN for your network, you may
rob.meades@u-blox.com 1:581335dbdd60 37 // either try the fairly common "internet" for the APN (and leave the
rob.meades@u-blox.com 1:581335dbdd60 38 // username and password NULL), or you may leave all three as NULL and then
rob.meades@u-blox.com 1:581335dbdd60 39 // a lookup will be attempted for a small number of known networks
rob.meades@u-blox.com 1:581335dbdd60 40 // (see APN_db.h in mbed-os/features/netsocket/cellular/utils).
rob.meades@u-blox.com 1:581335dbdd60 41 #define APN NULL
rob.meades@u-blox.com 1:581335dbdd60 42 #define USERNAME NULL
rob.meades@u-blox.com 1:581335dbdd60 43 #define PASSWORD NULL
rob.meades@u-blox.com 1:581335dbdd60 44
rob.meades@u-blox.com 1:581335dbdd60 45 // LEDs
rob.meades@u-blox.com 1:581335dbdd60 46 DigitalOut ledRed(LED1, 1);
rob.meades@u-blox.com 1:581335dbdd60 47 DigitalOut ledGreen(LED2, 1);
rob.meades@u-blox.com 1:581335dbdd60 48 DigitalOut ledBlue(LED3, 1);
rob.meades@u-blox.com 1:581335dbdd60 49
rob.meades@u-blox.com 1:581335dbdd60 50 // The user button
rob.meades@u-blox.com 1:581335dbdd60 51 volatile bool buttonPressed = false;
rob.meades@u-blox.com 1:581335dbdd60 52
rob.meades@u-blox.com 1:581335dbdd60 53 static void good() {
rob.meades@u-blox.com 1:581335dbdd60 54 ledGreen = 0;
rob.meades@u-blox.com 1:581335dbdd60 55 ledBlue = 1;
rob.meades@u-blox.com 1:581335dbdd60 56 ledRed = 1;
rob.meades@u-blox.com 1:581335dbdd60 57 }
rob.meades@u-blox.com 1:581335dbdd60 58
rob.meades@u-blox.com 1:581335dbdd60 59 static void bad() {
rob.meades@u-blox.com 1:581335dbdd60 60 ledRed = 0;
rob.meades@u-blox.com 1:581335dbdd60 61 ledGreen = 1;
rob.meades@u-blox.com 1:581335dbdd60 62 ledBlue = 1;
rob.meades@u-blox.com 1:581335dbdd60 63 }
rob.meades@u-blox.com 1:581335dbdd60 64
rob.meades@u-blox.com 1:581335dbdd60 65 static void event() {
rob.meades@u-blox.com 1:581335dbdd60 66 ledBlue = 0;
rob.meades@u-blox.com 1:581335dbdd60 67 ledRed = 1;
rob.meades@u-blox.com 1:581335dbdd60 68 ledGreen = 1;
rob.meades@u-blox.com 1:581335dbdd60 69 }
rob.meades@u-blox.com 1:581335dbdd60 70
rob.meades@u-blox.com 1:581335dbdd60 71 static void pulseEvent() {
rob.meades@u-blox.com 1:581335dbdd60 72 event();
rob.meades@u-blox.com 1:581335dbdd60 73 wait_ms(500);
rob.meades@u-blox.com 1:581335dbdd60 74 good();
rob.meades@u-blox.com 1:581335dbdd60 75 }
rob.meades@u-blox.com 1:581335dbdd60 76
rob.meades@u-blox.com 1:581335dbdd60 77 static void ledOff() {
rob.meades@u-blox.com 1:581335dbdd60 78 ledBlue = 1;
rob.meades@u-blox.com 1:581335dbdd60 79 ledRed = 1;
rob.meades@u-blox.com 1:581335dbdd60 80 ledGreen = 1;
rob.meades@u-blox.com 1:581335dbdd60 81 }
rob.meades@u-blox.com 1:581335dbdd60 82
rob.meades@u-blox.com 1:581335dbdd60 83 static void printNtpTime(char * buf, int len)
rob.meades@u-blox.com 1:581335dbdd60 84 {
rob.meades@u-blox.com 1:581335dbdd60 85 time_t timestamp = 0;
rob.meades@u-blox.com 1:581335dbdd60 86 struct tm *localTime;
rob.meades@u-blox.com 1:581335dbdd60 87 char timeString[25];
rob.meades@u-blox.com 1:581335dbdd60 88 time_t TIME1970 = 2208988800U;
rob.meades@u-blox.com 1:581335dbdd60 89
rob.meades@u-blox.com 1:581335dbdd60 90 if (len >= 43) {
rob.meades@u-blox.com 1:581335dbdd60 91 timestamp |= ((int) *(buf + 40)) << 24;
rob.meades@u-blox.com 1:581335dbdd60 92 timestamp |= ((int) *(buf + 41)) << 16;
rob.meades@u-blox.com 1:581335dbdd60 93 timestamp |= ((int) *(buf + 42)) << 8;
rob.meades@u-blox.com 1:581335dbdd60 94 timestamp |= ((int) *(buf + 43));
rob.meades@u-blox.com 1:581335dbdd60 95 timestamp -= TIME1970;
rob.meades@u-blox.com 1:581335dbdd60 96 localTime = localtime(&timestamp);
rob.meades@u-blox.com 1:581335dbdd60 97 if (localTime) {
rob.meades@u-blox.com 1:581335dbdd60 98 if (strftime(timeString, sizeof(timeString), "%a %b %d %H:%M:%S %Y", localTime) > 0) {
rob.meades@u-blox.com 1:581335dbdd60 99 printf("NTP timestamp is %s.\n", timeString);
rob.meades@u-blox.com 1:581335dbdd60 100 }
rob.meades@u-blox.com 1:581335dbdd60 101 }
rob.meades@u-blox.com 1:581335dbdd60 102 }
rob.meades@u-blox.com 1:581335dbdd60 103 }
rob.meades@u-blox.com 1:581335dbdd60 104
rob.meades@u-blox.com 1:581335dbdd60 105 static void cbButton()
rob.meades@u-blox.com 1:581335dbdd60 106 {
rob.meades@u-blox.com 1:581335dbdd60 107 buttonPressed = true;
rob.meades@u-blox.com 1:581335dbdd60 108 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 109 }
rob.meades@u-blox.com 1:581335dbdd60 110
rob.meades@u-blox.com 1:581335dbdd60 111 /* This example program for the u-blox C030 and C027 boards instantiates
rob.meades@u-blox.com 1:581335dbdd60 112 * the UbloxAtCellularInterface and uses it to make a simple sockets
rob.meades@u-blox.com 1:581335dbdd60 113 * connection to a server, using 2.pool.ntp.org for UDP and developer.mbed.org
rob.meades@u-blox.com 1:581335dbdd60 114 * for TCP. For a more comprehensive example, where higher layer protocols
rob.meades@u-blox.com 1:581335dbdd60 115 * make use of the same sockets interface, see example-ublox-mbed-client.
rob.meades@u-blox.com 1:581335dbdd60 116 * Progress may be monitored with a serial terminal running at 9600 baud.
rob.meades@u-blox.com 1:581335dbdd60 117 * The LED on the C030 board will turn green when this program is
rob.meades@u-blox.com 1:581335dbdd60 118 * operating correctly, pulse blue when a sockets operation is completed
rob.meades@u-blox.com 1:581335dbdd60 119 * and turn red if there is a failure.
rob.meades@u-blox.com 1:581335dbdd60 120 */
rob.meades@u-blox.com 1:581335dbdd60 121
rob.meades@u-blox.com 1:581335dbdd60 122 int main()
rob.meades@u-blox.com 1:581335dbdd60 123 {
RobMeades 10:1f35371d572d 124 INTERFACE_CLASS *interface = new INTERFACE_CLASS();
RobMeades 5:bf352de1d3e5 125 // If you need to debug the cellular interface, comment out the
RobMeades 5:bf352de1d3e5 126 // instantiation above and uncomment the one below.
RobMeades 8:3e170c40a284 127 // INTERFACE_CLASS *interface = new INTERFACE_CLASS(MDMTXD, MDMRXD,
RobMeades 8:3e170c40a284 128 // MBED_CONF_UBLOX_CELL_BAUD_RATE,
RobMeades 8:3e170c40a284 129 // true);
rob.meades@u-blox.com 1:581335dbdd60 130 TCPSocket sockTcp;
rob.meades@u-blox.com 1:581335dbdd60 131 UDPSocket sockUdp;
rob.meades@u-blox.com 1:581335dbdd60 132 SocketAddress udpServer;
rob.meades@u-blox.com 1:581335dbdd60 133 SocketAddress udpSenderAddress;
rob.meades@u-blox.com 1:581335dbdd60 134 SocketAddress tcpServer;
rob.meades@u-blox.com 1:581335dbdd60 135 char buf[1024];
rob.meades@u-blox.com 1:581335dbdd60 136 int x;
RobMeades 4:3e2b789c3adc 137 #ifdef TARGET_UBLOX_C027
RobMeades 4:3e2b789c3adc 138 // No user button on C027
RobMeades 4:3e2b789c3adc 139 InterruptIn userButton(NC);
RobMeades 4:3e2b789c3adc 140 #else
rob.meades@u-blox.com 1:581335dbdd60 141 InterruptIn userButton(SW0);
RobMeades 4:3e2b789c3adc 142 #endif
rob.meades@u-blox.com 1:581335dbdd60 143
rob.meades@u-blox.com 1:581335dbdd60 144 // Attach a function to the user button
rob.meades@u-blox.com 1:581335dbdd60 145 userButton.rise(&cbButton);
rob.meades@u-blox.com 1:581335dbdd60 146
rob.meades@u-blox.com 1:581335dbdd60 147 good();
rob.meades@u-blox.com 1:581335dbdd60 148 printf("Starting up, please wait up to 180 seconds for network registration to complete...\n");
rob.meades@u-blox.com 1:581335dbdd60 149 if (interface->init(PIN)) {
rob.meades@u-blox.com 1:581335dbdd60 150 pulseEvent();
RobMeades 3:7ca70581ef20 151 interface->set_credentials(APN, USERNAME, PASSWORD);
rob.meades@u-blox.com 1:581335dbdd60 152 printf("Registered, connecting to the packet network...\n");
RobMeades 3:7ca70581ef20 153 for (x = 0; interface->connect() != 0; x++) {
rob.meades@u-blox.com 1:581335dbdd60 154 if (x > 0) {
rob.meades@u-blox.com 1:581335dbdd60 155 bad();
rob.meades@u-blox.com 1:581335dbdd60 156 printf("Retrying (have you checked that an antenna is plugged in and your APN is correct?)...\n");
rob.meades@u-blox.com 1:581335dbdd60 157 }
rob.meades@u-blox.com 1:581335dbdd60 158 }
rob.meades@u-blox.com 1:581335dbdd60 159 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 160
rob.meades@u-blox.com 1:581335dbdd60 161 printf("Getting the IP address of \"developer.mbed.org\" and \"2.pool.ntp.org\"...\n");
rob.meades@u-blox.com 1:581335dbdd60 162 if ((interface->gethostbyname("2.pool.ntp.org", &udpServer) == 0) &&
rob.meades@u-blox.com 1:581335dbdd60 163 (interface->gethostbyname("developer.mbed.org", &tcpServer) == 0)) {
rob.meades@u-blox.com 1:581335dbdd60 164 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 165 udpServer.set_port(123);
rob.meades@u-blox.com 1:581335dbdd60 166 tcpServer.set_port(80);
rob.meades@u-blox.com 1:581335dbdd60 167 printf("\"2.pool.ntp.org\" address: %s on port %d.\n", udpServer.get_ip_address(), udpServer.get_port());
rob.meades@u-blox.com 1:581335dbdd60 168 printf("\"developer.mbed.org\" address: %s on port %d.\n", tcpServer.get_ip_address(), tcpServer.get_port());
rob.meades@u-blox.com 1:581335dbdd60 169
RobMeades 4:3e2b789c3adc 170 printf("Performing socket operations in a loop (until the user button is pressed on C030 or forever on C027)...\n");
rob.meades@u-blox.com 1:581335dbdd60 171 while (!buttonPressed) {
rob.meades@u-blox.com 1:581335dbdd60 172 // UDP Sockets
rob.meades@u-blox.com 1:581335dbdd60 173 printf("=== UDP ===\n");
rob.meades@u-blox.com 1:581335dbdd60 174 printf("Opening a UDP socket...\n");
rob.meades@u-blox.com 1:581335dbdd60 175 if (sockUdp.open(interface) == 0) {
rob.meades@u-blox.com 1:581335dbdd60 176 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 177 printf("UDP socket open.\n");
rob.meades@u-blox.com 1:581335dbdd60 178 sockUdp.set_timeout(10000);
rob.meades@u-blox.com 1:581335dbdd60 179 printf("Sending time request to \"2.pool.ntp.org\" over UDP socket...\n");
rob.meades@u-blox.com 1:581335dbdd60 180 memset (buf, 0, sizeof(buf));
rob.meades@u-blox.com 1:581335dbdd60 181 *buf = '\x1b';
rob.meades@u-blox.com 1:581335dbdd60 182 if (sockUdp.sendto(udpServer, (void *) buf, 48) == 48) {
rob.meades@u-blox.com 1:581335dbdd60 183 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 184 printf("Socket send completed, waiting for UDP response...\n");
rob.meades@u-blox.com 1:581335dbdd60 185 x = sockUdp.recvfrom(&udpSenderAddress, buf, sizeof (buf));
rob.meades@u-blox.com 1:581335dbdd60 186 if (x > 0) {
rob.meades@u-blox.com 1:581335dbdd60 187 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 188 printf("Received %d byte response from server %s on UDP socket:\n"
rob.meades@u-blox.com 1:581335dbdd60 189 "-------------------------------------------------------\n",
rob.meades@u-blox.com 1:581335dbdd60 190 x, udpSenderAddress.get_ip_address());
rob.meades@u-blox.com 1:581335dbdd60 191 printNtpTime(buf, x);
rob.meades@u-blox.com 1:581335dbdd60 192 printf("-------------------------------------------------------\n");
rob.meades@u-blox.com 1:581335dbdd60 193 }
rob.meades@u-blox.com 1:581335dbdd60 194 }
rob.meades@u-blox.com 1:581335dbdd60 195 printf("Closing socket...\n");
rob.meades@u-blox.com 1:581335dbdd60 196 sockUdp.close();
rob.meades@u-blox.com 1:581335dbdd60 197 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 198 printf("Socket closed.\n");
rob.meades@u-blox.com 1:581335dbdd60 199 }
rob.meades@u-blox.com 1:581335dbdd60 200
rob.meades@u-blox.com 1:581335dbdd60 201 // TCP Sockets
rob.meades@u-blox.com 1:581335dbdd60 202 printf("=== TCP ===\n");
rob.meades@u-blox.com 1:581335dbdd60 203 printf("Opening a TCP socket...\n");
rob.meades@u-blox.com 1:581335dbdd60 204 if (sockTcp.open(interface) == 0) {
rob.meades@u-blox.com 1:581335dbdd60 205 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 206 printf("TCP socket open.\n");
rob.meades@u-blox.com 1:581335dbdd60 207 sockTcp.set_timeout(10000);
rob.meades@u-blox.com 1:581335dbdd60 208 printf("Connecting socket to %s on port %d...\n", tcpServer.get_ip_address(), tcpServer.get_port());
rob.meades@u-blox.com 1:581335dbdd60 209 if (sockTcp.connect(tcpServer) == 0) {
RobMeades 2:dbf7dd3da592 210 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 211 printf("Connected, sending HTTP GET request to \"developer.mbed.org\" over socket...\n");
rob.meades@u-blox.com 1:581335dbdd60 212 strcpy (buf, "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\r\n\r\n");
rob.meades@u-blox.com 1:581335dbdd60 213 // Note: since this is a short string we can send it in one go as it will
rob.meades@u-blox.com 1:581335dbdd60 214 // fit within the default buffer sizes. Normally you should call sock.send()
rob.meades@u-blox.com 1:581335dbdd60 215 // in a loop until your entire buffer has been sent.
rob.meades@u-blox.com 1:581335dbdd60 216 if (sockTcp.send((void *) buf, strlen(buf)) == (int) strlen(buf)) {
rob.meades@u-blox.com 1:581335dbdd60 217 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 218 printf("Socket send completed, waiting for response...\n");
rob.meades@u-blox.com 1:581335dbdd60 219 x = sockTcp.recv(buf, sizeof (buf));
rob.meades@u-blox.com 1:581335dbdd60 220 if (x > 0) {
rob.meades@u-blox.com 1:581335dbdd60 221 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 222 printf("Received %d byte response from server on TCP socket:\n"
rob.meades@u-blox.com 1:581335dbdd60 223 "----------------------------------------------------\n%.*s"
rob.meades@u-blox.com 1:581335dbdd60 224 "----------------------------------------------------\n",
rob.meades@u-blox.com 1:581335dbdd60 225 x, x, buf);
rob.meades@u-blox.com 1:581335dbdd60 226 }
rob.meades@u-blox.com 1:581335dbdd60 227 }
rob.meades@u-blox.com 1:581335dbdd60 228 }
rob.meades@u-blox.com 1:581335dbdd60 229 printf("Closing socket...\n");
rob.meades@u-blox.com 1:581335dbdd60 230 sockTcp.close();
rob.meades@u-blox.com 1:581335dbdd60 231 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 232 printf("Socket closed.\n");
rob.meades@u-blox.com 1:581335dbdd60 233 }
rob.meades@u-blox.com 1:581335dbdd60 234 wait_ms(5000);
RobMeades 3:7ca70581ef20 235 printf("[Checking if user button has been pressed]\n");
rob.meades@u-blox.com 1:581335dbdd60 236 }
rob.meades@u-blox.com 1:581335dbdd60 237
rob.meades@u-blox.com 1:581335dbdd60 238 pulseEvent();
rob.meades@u-blox.com 1:581335dbdd60 239 printf("User button was pressed, stopping...\n");
rob.meades@u-blox.com 1:581335dbdd60 240 interface->disconnect();
rob.meades@u-blox.com 1:581335dbdd60 241 interface->deinit();
rob.meades@u-blox.com 1:581335dbdd60 242 ledOff();
rob.meades@u-blox.com 1:581335dbdd60 243 printf("Stopped.\n");
rob.meades@u-blox.com 1:581335dbdd60 244 } else {
rob.meades@u-blox.com 1:581335dbdd60 245 bad();
RobMeades 2:dbf7dd3da592 246 printf("Unable to get IP address of \"developer.mbed.org\" or \"2.pool.ntp.org\".\n");
rob.meades@u-blox.com 1:581335dbdd60 247 }
rob.meades@u-blox.com 1:581335dbdd60 248 } else {
rob.meades@u-blox.com 1:581335dbdd60 249 bad();
rob.meades@u-blox.com 1:581335dbdd60 250 printf("Unable to initialise the interface.\n");
rob.meades@u-blox.com 1:581335dbdd60 251 }
rob.meades@u-blox.com 1:581335dbdd60 252 }
rob.meades@u-blox.com 1:581335dbdd60 253
rob.meades@u-blox.com 1:581335dbdd60 254 // End Of File