File content as of revision 4:90ab1ec64b0e:

/*
  main.cpp
  2013 Copyright (c) Seeed Technology Inc.  All right reserved.

  Author:lawliet zou(lawliet.zou@gmail.com)
  2014-02-18

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#include "mbed.h"
#include "C027.h"
#include "GPS.h"
#include "MDM.h"

C027 c027;


int main(void)
{
    int ret;
    char buf[512] = "";

    Serial pc(USBTX,USBRX);
    pc.baud(115200);
    
    printf("Modem Example\n");

    c027.mdmPower(true);
    c027.gpsPower(true);
    wait(2);

    GPSI2C gps(GPSSDA,GPSSCL,GPSADR);     // use GPSI2C class
    // GPSSerial gps(GPSTXD,GPSRXD,GPSBAUD); // or GPSSerial class 
    MDMSerial mdm(MDMTXD, MDMRXD, MDMBAUD
#if DEVICE_SERIAL_FC
                 ,MDMRTS,MDMCTS
#endif
                );
                
    // initialize the modem 
    printf("Init\r\n");
    MDMParser::DevStatus status;
    if (mdm.init(NULL/*no SIM PIN*/, &status))
    {
        printf("Device Status:\n");
        const char* txtModel[] = { "Unknown", "SARA-G350", "LISA-U200", "LISA-C200" };
        if (status.model < sizeof(txtModel)/sizeof(*txtModel) && (status.model != MDMParser::MODEL_UNKNOWN))
            printf("  Model: %s\n", txtModel[status.model]);
        const char* txtSim[] = { "Unknown", "Pin", "Ready" };
        if (status.sim < sizeof(txtSim)/sizeof(*txtSim) && (status.sim != MDMParser::SIM_UNKNOWN))
            printf("  SIM:   %s\n", txtSim[status.sim]);
        if (status.ccid)  
            printf("  CCID:  %s\n", status.ccid);
        if (status.imei) 
            printf("  IMEI:  %s\r\n", status.imei);
        if (status.imsi)  
            printf("  IMSI:  %s\n", status.imsi);
            
        // wait until we are connected
        printf("Network Check\r\n");
        while (!mdm.checkNetStatus())
            wait_ms(1000);
    
        printf("Network Join\r\n");
        // join the internet connection 
        if (mdm.join("gprs.swisscom.ch"))
        {
            printf("Socket Create\r\n");
            int socket = mdm.socketSocket(MDMParser::IPPROTO_TCP);
            if (socket >= 0)
            {
                printf("Socket Connect\r\n");
                if (mdm.socketConnect(socket, "mbed.org", 80))
                {
                    printf("Make a Http Post Request\r\n");
                    const char http[] = "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\r\n\r\n";
                    printf("Socket Send\r\n");
                    mdm.socketSend(socket, http, sizeof(http)-1);
                
                    printf("Socket Recving\r\n");
                    while (true) {
                        ret = mdm.socketReadable(socket);
                        if (ret > 0)
                            ret = mdm.socketRecv(socket, buf, sizeof(buf)-1);
                        if (ret < 0)
                            break;
                        else if (ret > 0)
                            printf("Socket Recv \"%*s\"\r\n", ret, buf);
                    }
                    printf("Socket Close\r\n");
                    mdm.socketClose(socket);
                }
                printf("Socket Free\r\n");
                mdm.socketFree(socket);
            }
            
            // disconnect  
            printf("Network Disconnect\r\n");
            mdm.disconnect();
        }
        
        const char* ussd = "*#134#";
        printf("Send Ussd Command %s\r\n", ussd);
        ret = mdm.ussdCommand(ussd, buf, sizeof(buf));
        if (ret > 0) 
            printf("Got Ussd Answer: \"%*s\"\r\n", ret, buf);
            
        printf("Checking SMS and GPS\r\n");
        char link[128] = "";
        int i = 0;
        const int wait = 100;
        while (1) {
            
            while ((ret = gps.getMessage(buf, sizeof(buf))) > 0)
            {
                int len = LENGTH(ret);
                //printf("NMEA: %.*s\n", len-2, msg); 
                if ((PROTOCOL(ret) == NMEA) && (len > 6) && !strncmp("$GPGLL", buf, 6))
                {
                    double la = 0, lo = 0;
                    char ch;
                    if (gps.getNmeaAngle(1,buf,len,la) && 
                        gps.getNmeaAngle(3,buf,len,lo) && 
                        gps.getNmeaItem(6,buf,len,ch) && ch == 'A')
                    {
                        printf("GPS Location: %.5f %.5f\n", la, lo); 
                        sprintf(link, "I am here!\n"
                                      "https://maps.google.com/?q=%.5f,%.5f", la, lo); 
                    }
                }
            }
            
            if (i++ == 10000/wait) {
                i = 0;
                
                // checking incoming sms
                int cnt = mdm.smsCount();
                // search through all the messages if there are some
                for (int ix = 1; (cnt > 0) && (ix <= 350); ix ++) {
                    char num[32];
                    if (mdm.smsRead(ix, num, buf, sizeof(buf))) {
                        printf("Got SMS from \"%s\" with text \"%s\"\r\n", num, buf);
                        printf("Delete SMS at index %d\r\n", ix);
                        mdm.smsDelete(ix);
                        cnt --;
                        // provide a reply
                        const char* reply = "Hello my friend";
                        if (strstr(buf, /*w*/"here are you"))
                            reply = *link ? link : "I don't know"; // reply wil location link
                        printf("Send SMS reply \"%s\" to \"%s\"\r\n", reply, num);
                        mdm.smsSend(num, reply);
                    }
                }
                
                // check the network status
                MDMParser::NetStatus status;
                if (mdm.checkNetStatus(&status))
                {
                    printf("Network Status:\n");
                    const char* txtNet[] = { "Unknown", "Denied", "None", "Home", "Roaming" };
                    if (status.net < sizeof(txtNet)/sizeof(*txtNet) && (status.net != MDMParser::NET_UNKNOWN))
                        printf("  Network:            %s\n", txtNet[status.net]);
                    const char* txtAct[] = { "Unknown", "GSM", "Edge", "3G", "CDMA" };
                    if (status.act < sizeof(txtAct)/sizeof(*txtAct) && (status.act != MDMParser::ACT_UNKNOWN))
                        printf("  Access Technology:  %s\n", txtAct[status.act]);
                    if (status.rssi) 
                        printf("  Signal Strength:    %d dBm\r\n", status.rssi);
                    if (status.opr)  
                        printf("  Operator:           %s\n", status.opr);
                    if (status.num)  
                        printf("  Phone Number:       %s\n", status.num);
                }
            }
            wait_ms(wait);
        }  
        mdm.powerOff();
    }
    // now it is safe to switch off
    c027.mdmPower(false);
    c027.gpsPower(false);
    
    return 0;
}