Diff: main.cpp

Revision:

12:955439e7166f

Parent:

11:101705d43c92

Child:

14:fcdfdd37affe

--- a/main.cpp	Thu Jul 03 17:26:22 2014 +0000
+++ b/main.cpp	Mon Nov 10 22:43:02 2014 +0000
@@ -1,96 +1,263 @@
+// Copyright 2014 Aeris Communications Inc
+//
+// 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.
+
+//  
+// AerCloud sample code for the u-blox C027 board 
+//  Details on the C027: http://developer.mbed.org/platforms/u-blox-C027/
+//  Details on AerCloud: http://www.aeris.com/technology/aercloud/
+//  AerCloud Developer Forum: https://developer.aeris.com/
+//
+// Sample writes latitude, longitude, altitude, speed & GPS time to an AerCloud container
+//
+// Dependencies:
+//     mbed HTTP Client Libary
+//     C027_Support Library
+//     mbed Library
+//
+// To get the sample running, you'll need to fill in the following parameters below
+//   Your cellular provider's APN: APN
+//   AerCloud API Key: AC_APIKEY
+//   AerCloud Account ID: acId
+//   AerCloud Container: AC_CONTAINER
+//
+// and you'll also need to create an AerCloud contianer with the schema 
+// described below
+//
+
 #include "mbed.h"
 #include "HTTPClient.h"
+#include "GPS.h"
+
+#include "MDM.h"
 
 //------------------------------------------------------------------------------------
-// You need to configure these cellular modem / SIM parameters.
-// These parameters are ignored for LISA-C200 variants and can be left NULL.
+// Connectivity Parameters
 //------------------------------------------------------------------------------------
-#include "MDM.h"
-//! Set your secret SIM pin here (e.g. "1234"). Check your SIM manual.
+
+//! Aeris SIM does not use PIN
 #define SIMPIN      NULL
-/*! The APN of your network operator SIM, sometimes it is "internet" check your 
-    contract with the network operator. You can also try to look-up your settings in 
-    google: https://www.google.de/search?q=APN+list */
+
+//! The APN of your Aeris SIM
+//    You can find the APN for your SIM at https://aerport.aeris.com
 #define APN         NULL
-//! Set the user name for your APN, or NULL if not needed
+
+//! User name and password are not required to use Aeris APN
 #define USERNAME    NULL
-//! Set the password for your APN, or NULL if not needed
+
+//! User name and password are not required to use Aeris APN
 #define PASSWORD    NULL 
+
+
+// ------------------------------------------------------------------------------------
+// AerCloud Paramers
+// ------------------------------------------------------------------------------------
+
+// AerCloud BASE URL
+#define AC_BASE     "http://api.aercloud.aeris.com/v1"
+
+//! AerCloud API Key
+//   You can find your api key at https://aerport.aeris.com
+#define AC_APIKEY   NULL
+
+//! Aercloud Account Id
+//   You can find your account id at https://aerport.aeris.com
+int acId = 1;
+
+// AerCloud Container
+//  The name of the AerCloud Container to write data into
+#define AC_CONTAINER "VStatus"  // Example Container
+
+//------------------------------------------------------------------------------------
+// AerCloud SCL (Device) Data Model
+// ------------------------------------------------------------------------------------
+//
+// Code assumes an AerCloud Data Model with the following fields
+//
+//   Altitude DOUBLE  GPS altitude
+//   Speed DOUBLE     GPS speed
+//   VSLat STRING     GPS latitude
+//   VSLong STRING    GPS longitude
+//   GPSTime DOUBLE   Raw GPS time
+//   GPSDate DOUBLE   Raw GPS Date
+//   SCLID INT        AerCloud Device Identifier (i.e. IMEI)
+//
+
 //------------------------------------------------------------------------------------
 
 char str[512];
+char simImei[16];
+
 
 int main() 
 {
+    bool simProvisioned = false;
+    int ret;
+    char buf[512] = "";
+    int itn = 580;
+    const int wait = 100;
+    double lastLat = 0, lastLong = 0, lastAlt = 0, lastSpeed = 0, lastTime = 0, lastDate = 0;
+    bool abort = false;
+    
+    GPSI2C gps;
+
+    printf("GPS object created\n");
     // turn on the supplies of the Modem
     MDMSerial mdm;
+    printf("Modem object created\n");
     //mdm.setDebug(4); // enable this for debugging issues 
-    if (!mdm.connect(SIMPIN, APN,USERNAME,PASSWORD))
+    if (!mdm.connect(SIMPIN, APN,USERNAME,PASSWORD)) {
+        printf("Unabled to connect to the network.\n");
         return -1;
+    }
     HTTPClient http;
   
-    //GET data
-    printf("\nTrying to fetch page...\n");
-    int ret = http.get("http://mbed.org/media/uploads/donatien/hello.txt", str, 128);
+    //get SIM IMEI
+    mdm.getIMEI(simImei);
+    printf("Requesting provision info for IMEI %s\n",simImei);
+    
+    // Check if SIM is provisioned in AerCloud
+    printf("\nIs the SIM provisioned?\n");
+    char url[512];
+    snprintf(url, sizeof(url), "%s/%d/scls/%s?apiKey=%s", AC_BASE, acId, simImei, AC_APIKEY);
+    ret = http.get(url, str, 128);
     if (!ret)
     {
+      // We're already provisioned
       printf("Page fetched successfully - read %d characters\n", strlen(str));
       printf("Result: %s\n", str);
+      simProvisioned = true;
     }
     else
     {
-      printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
-    }
-    
-    //POST data
-    HTTPMap map;
-    HTTPText inText(str, 512);
-    map.put("Hello", "World");
-    map.put("test", "1234");
-    printf("\nTrying to post data...\n");
-    ret = http.post("http://httpbin.org/post", map, &inText);
-    if (!ret)
-    {
-      printf("Executed POST successfully - read %d characters\n", strlen(str));
-      printf("Result: %s\n", str);
-    }
-    else
-    {
-      printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+        printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+        //SIM is not provisioned. trying to provision it...
+        char url[512];
+        snprintf(url, sizeof(url), "%s/%d/scls?apiKey=%s", AC_BASE, acId, AC_APIKEY);
+
+        snprintf(str, sizeof(str), "{\"sclId\":\"%s\"}\0",simImei);
+        HTTPText outText(str);
+        HTTPText inText(str, 512);
+        ret = http.post(url, outText, &inText);
+        if (!ret)
+        {
+          printf("Executed POST successfully - read %d characters\n", strlen(str));
+          printf("Result: %s\n", str);
+          simProvisioned = true;
+        }
+        else
+        {
+          if(http.getHTTPResponseCode() == 200)
+            simProvisioned = true;
+          printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+        }      
     }
     
-    //PUT data
-    strcpy(str, "This is a PUT test!");
-    HTTPText outText(str);
-    //HTTPText inText(str, 512);
-    printf("\nTrying to put resource...\n");
-    ret = http.put("http://httpbin.org/put", outText, &inText);
-    if (!ret)
+    //POST data to containers if SIM has been successfully provisioned
+    if(simProvisioned)
     {
-      printf("Executed PUT successfully - read %d characters\n", strlen(str));
-      printf("Result: %s\n", str);
-    }
-    else
-    {
-      printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+        //Read GPS    
+        while (!abort) 
+        {
+            while ((ret = gps.getMessage(buf, sizeof(buf))) > 0)
+            {
+                int len = LENGTH(ret);
+                if ((PROTOCOL(ret) == GPSParser::NMEA) && (len > 6))
+                {
+                    if (!strncmp("$GPGLL", buf, 6)) 
+                    {
+                        //Get Lat/Long
+                        double la = 0, lo = 0;
+                        char ch;
+                        if (gps.getNmeaAngle(1,buf,len,la) && 
+                            gps.getNmeaAngle(3,buf,len,lo) && 
+                            gps.getNmeaItem(6,buf,len,ch) && ch == 'A')
+                        {
+                            lastLat = la;
+                            lastLong = lo;
+                        }
+                    } 
+                    else if (!strncmp("$GPGGA", buf, 6)) 
+                    {
+                        //Get Altitude
+                        double a = 0; 
+                        if (gps.getNmeaItem(9,buf,len,a)) // altitude msl [m]
+                        {
+                            lastAlt = a;
+                        }
+                    } 
+                    else if (!strncmp("$GPVTG", buf, 6)) 
+                    {
+                        //Get Speed
+                        double s = 0; 
+                        if (gps.getNmeaItem(7,buf,len,s)) // speed [km/h]
+                        {
+                            lastSpeed = s;
+                        }   
+                    }
+                    else if (!strncmp("$GPRMC", buf, 6))
+                    {
+                        //Get Timestamp
+                        double fixTime = 0;
+                        double fixDate = 0;
+                         
+                        if (gps.getNmeaItem(1,buf,len,fixTime)) // speed [km/h]
+                        {
+                            lastTime = fixTime;
+                        }
+                        if (gps.getNmeaItem(9,buf,len,fixDate)) // speed [km/h]
+                        {
+                            lastDate = fixDate;
+                        }
+ //                       printf("time: %f\n Date:%f\n", lastTime, lastDate);
+                    }
+                }
+            }    
+            wait_ms(wait); 
+            itn++;
+            //post every 60 seconds
+            if(itn == 590)
+            {
+                 // POST data to AerCLoud
+                char url[512];
+                snprintf(url, sizeof(url), "%s/%d/scls/%s/containers/%s/contentInstances?apiKey=%s", AC_BASE, acId, simImei, AC_CONTAINER, AC_APIKEY);
+            
+                sprintf(str,"{\"VSLat\": %.5f, \"VSLong\":  %.5f, \"Altitude\": %.5f, \"Speed\":%.5f, \"GPSTime\":%.5f, \"GPSDate\":%.5f, \"SCLID\":\"%s\"}", lastLat, lastLong, lastAlt, lastSpeed, lastTime, lastDate, simImei);
+                HTTPText outText(str);
+                HTTPText inText(str, 512);
+                printf("\nPost acquired data...\n");
+                ret = http.post(url, outText, &inText);
+                if (!ret)
+                {
+                  printf("Executed POST successfully - read %d characters\n", strlen(str));
+                  printf("Result: %s\n", str);
+                }
+                else
+                {
+                  printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+                }
+                itn = 0;
+            }        
+        }
+        gps.powerOff();        
+    } else {
+        printf("SIM is not provisioned.\n");
     }
     
-    //DELETE data
-    //HTTPText inText(str, 512);
-    printf("\nTrying to delete resource...\n");
-    ret = http.del("http://httpbin.org/delete", &inText);
-    if (!ret)
-    {
-      printf("Executed DELETE successfully - read %d characters\n", strlen(str));
-      printf("Result: %s\n", str);
-    }
-    else
-    {
-      printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
-    }
 
     mdm.disconnect();
     mdm.powerOff();
 
-    while(true);
+    return 0;
 }
+