example-ublox-cellular-interface_rat_mno
Dependencies: ublox-at-cellular-interface ublox-cellular-base ublox-cellular-base-n2xx ublox-at-cellular-interface-n2xx
main.cpp
- Committer:
- rob.meades@u-blox.com
- Date:
- 2017-06-15
- Revision:
- 13:d31b8735cca8
- Parent:
- 10:1f35371d572d
- Child:
- 28:e33af9f1ce3e
File content as of revision 13:d31b8735cca8:
/* mbed Microcontroller Library * Copyright (c) 2017 u-blox * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "mbed.h" #include "UbloxATCellularInterface.h" #include "UbloxPPPCellularInterface.h" // If you wish to use LWIP and the PPP cellular interface on the mbed // MCU, select the line UbloxPPPCellularInterface instead of the line // UbloxATCellularInterface. Using the AT cellular interface does not // require LWIP and hence uses less RAM (significant on C027). It also // allows other AT command operations (e.g. sending an SMS) to happen // during a data transfer. #define INTERFACE_CLASS UbloxATCellularInterface //#define INTERFACE_CLASS UbloxPPPCellularInterface // The credentials of the SIM in the board. If PIN checking is enabled // for your SIM card you must set this to the required PIN. #define PIN "0000" // Network credentials. You should set this according to your // network/SIM card. For C030 boards, leave the parameters as NULL // otherwise, if you do not know the APN for your network, you may // either try the fairly common "internet" for the APN (and leave the // username and password NULL), or you may leave all three as NULL and then // a lookup will be attempted for a small number of known networks // (see APN_db.h in mbed-os/features/netsocket/cellular/utils). #define APN NULL #define USERNAME NULL #define PASSWORD NULL // LEDs DigitalOut ledRed(LED1, 1); DigitalOut ledGreen(LED2, 1); DigitalOut ledBlue(LED3, 1); // The user button volatile bool buttonPressed = false; static void good() { ledGreen = 0; ledBlue = 1; ledRed = 1; } static void bad() { ledRed = 0; ledGreen = 1; ledBlue = 1; } static void event() { ledBlue = 0; ledRed = 1; ledGreen = 1; } static void pulseEvent() { event(); wait_ms(500); good(); } static void ledOff() { ledBlue = 1; ledRed = 1; ledGreen = 1; } static void printNtpTime(char * buf, int len) { time_t timestamp = 0; struct tm *localTime; char timeString[25]; time_t TIME1970 = 2208988800U; if (len >= 43) { timestamp |= ((int) *(buf + 40)) << 24; timestamp |= ((int) *(buf + 41)) << 16; timestamp |= ((int) *(buf + 42)) << 8; timestamp |= ((int) *(buf + 43)); timestamp -= TIME1970; localTime = localtime(×tamp); if (localTime) { if (strftime(timeString, sizeof(timeString), "%a %b %d %H:%M:%S %Y", localTime) > 0) { printf("NTP timestamp is %s.\n", timeString); } } } } static void cbButton() { buttonPressed = true; pulseEvent(); } /* This example program for the u-blox C030 and C027 boards instantiates * the UbloxAtCellularInterface or UbloxPPPCellularInterface and uses it * to make a simple sockets connection to a server, using 2.pool.ntp.org * for UDP and developer.mbed.org for TCP. For a more comprehensive example, * where higher layer protocols make use of the same sockets interface, * see example-ublox-mbed-client. * Progress may be monitored with a serial terminal running at 9600 baud. * The LED on the C030 board will turn green when this program is * operating correctly, pulse blue when a sockets operation is completed * and turn red if there is a failure. */ int main() { INTERFACE_CLASS *interface = new INTERFACE_CLASS(); // If you need to debug the cellular interface, comment out the // instantiation above and uncomment the one below. // INTERFACE_CLASS *interface = new INTERFACE_CLASS(MDMTXD, MDMRXD, // MBED_CONF_UBLOX_CELL_BAUD_RATE, // true); TCPSocket sockTcp; UDPSocket sockUdp; SocketAddress udpServer; SocketAddress udpSenderAddress; SocketAddress tcpServer; char buf[1024]; int x; #ifdef TARGET_UBLOX_C027 // No user button on C027 InterruptIn userButton(NC); #else InterruptIn userButton(SW0); #endif // Attach a function to the user button userButton.rise(&cbButton); good(); printf("Starting up, please wait up to 180 seconds for network registration to complete...\n"); if (interface->init(PIN)) { pulseEvent(); interface->set_credentials(APN, USERNAME, PASSWORD); printf("Registered, connecting to the packet network...\n"); for (x = 0; interface->connect() != 0; x++) { if (x > 0) { bad(); printf("Retrying (have you checked that an antenna is plugged in and your APN is correct?)...\n"); } } pulseEvent(); printf("Getting the IP address of \"developer.mbed.org\" and \"2.pool.ntp.org\"...\n"); if ((interface->gethostbyname("2.pool.ntp.org", &udpServer) == 0) && (interface->gethostbyname("developer.mbed.org", &tcpServer) == 0)) { pulseEvent(); udpServer.set_port(123); tcpServer.set_port(80); printf("\"2.pool.ntp.org\" address: %s on port %d.\n", udpServer.get_ip_address(), udpServer.get_port()); printf("\"developer.mbed.org\" address: %s on port %d.\n", tcpServer.get_ip_address(), tcpServer.get_port()); printf("Performing socket operations in a loop (until the user button is pressed on C030 or forever on C027)...\n"); while (!buttonPressed) { // UDP Sockets printf("=== UDP ===\n"); printf("Opening a UDP socket...\n"); if (sockUdp.open(interface) == 0) { pulseEvent(); printf("UDP socket open.\n"); sockUdp.set_timeout(10000); printf("Sending time request to \"2.pool.ntp.org\" over UDP socket...\n"); memset (buf, 0, sizeof(buf)); *buf = '\x1b'; if (sockUdp.sendto(udpServer, (void *) buf, 48) == 48) { pulseEvent(); printf("Socket send completed, waiting for UDP response...\n"); x = sockUdp.recvfrom(&udpSenderAddress, buf, sizeof (buf)); if (x > 0) { pulseEvent(); printf("Received %d byte response from server %s on UDP socket:\n" "-------------------------------------------------------\n", x, udpSenderAddress.get_ip_address()); printNtpTime(buf, x); printf("-------------------------------------------------------\n"); } } printf("Closing socket...\n"); sockUdp.close(); pulseEvent(); printf("Socket closed.\n"); } // TCP Sockets printf("=== TCP ===\n"); printf("Opening a TCP socket...\n"); if (sockTcp.open(interface) == 0) { pulseEvent(); printf("TCP socket open.\n"); sockTcp.set_timeout(10000); printf("Connecting socket to %s on port %d...\n", tcpServer.get_ip_address(), tcpServer.get_port()); if (sockTcp.connect(tcpServer) == 0) { pulseEvent(); printf("Connected, sending HTTP GET request to \"developer.mbed.org\" over socket...\n"); strcpy (buf, "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\r\n\r\n"); // Note: since this is a short string we can send it in one go as it will // fit within the default buffer sizes. Normally you should call sock.send() // in a loop until your entire buffer has been sent. if (sockTcp.send((void *) buf, strlen(buf)) == (int) strlen(buf)) { pulseEvent(); printf("Socket send completed, waiting for response...\n"); x = sockTcp.recv(buf, sizeof (buf)); if (x > 0) { pulseEvent(); printf("Received %d byte response from server on TCP socket:\n" "----------------------------------------------------\n%.*s" "----------------------------------------------------\n", x, x, buf); } } } printf("Closing socket...\n"); sockTcp.close(); pulseEvent(); printf("Socket closed.\n"); } wait_ms(5000); #ifndef TARGET_UBLOX_C027 printf("[Checking if user button has been pressed]\n"); #endif } pulseEvent(); printf("User button was pressed, stopping...\n"); interface->disconnect(); interface->deinit(); ledOff(); printf("Stopped.\n"); } else { bad(); printf("Unable to get IP address of \"developer.mbed.org\" or \"2.pool.ntp.org\".\n"); } } else { bad(); printf("Unable to initialise the interface.\n"); } } // End Of File