main.cpp

00001 #include <jsonlite.h>
00002 #include "M2XStreamClient.h"
00003 
00004 #include "mbed.h"
00005 #include "EthernetInterface.h"
00006 #include "LM75B.h"  //I2C Temperature Sensor
00007 
00008 
00009 char feedId[] = "c6eabf437b8c69efbb4e4a8d5c60c04d"; // Feed you want to post to
00010 char m2xKey[] = "10bc8a4dc4a37c5dc549b41ffaa6d6c1"; // Your M2X access key
00011 char streamName[] = "danger_bit"; // Stream you want to post to
00012 
00013 DigitalOut garage(PTB9);
00014 DigitalOut led(LED_RED);
00015 DigitalOut bled(LED_BLUE);
00016 
00017 /*
00018 char feeidId[] = "08a3bceeee7e7bfa32340aadd282ea23"; // Feed you want to post to
00019 char m2xKey[] = "41e5905679b7a6fa668303e00da65826"; // Your M2X access key
00020 char streamName[] = "garagecommand"; // Stream you want to post to
00021 */
00022 int danger = 0;
00023 
00024 Client client;
00025 M2XStreamClient m2xClient(&client, m2xKey);
00026 
00027 EthernetInterface eth;
00028 
00029 void on_data_point_found(const char* at, const char* value, int index, void* context) {
00030   printf("Found a data point, index: %d\r\n", index);
00031   printf("At: %s Value: %s\r\n", at, value);
00032   
00033   if(index == 0)
00034   {
00035     danger = atoi(value);
00036     
00037     if (danger == 1)
00038     {
00039         printf("Carbonmonoxide levels are dangerous. \n");
00040         garage = 0;
00041         
00042     }
00043     
00044     if (danger == 0)
00045     {
00046         garage = 1;
00047     }
00048     
00049   }
00050 }
00051 
00052 void on_location_found(const char* name,
00053                        double latitude,
00054                        double longitude,
00055                        double elevation,
00056                        const char* timestamp,
00057                        int index,
00058                        void* context) {
00059   printf("Found a location, index: %d\r\n", index);
00060   printf("Name: %s  Latitude: %lf  Longitude: %lf\r\n", name, latitude, longitude);
00061   printf("Elevation: %lf  Timestamp: %s\r\n", elevation, timestamp);
00062 }
00063 
00064 int main() {
00065   garage = 1; 
00066   led = 0;
00067   
00068   eth.init();
00069   eth.connect();
00070   printf("IP Address: %s\r\n", eth.getIPAddress());
00071 
00072   char amb_temp[6];
00073   
00074   
00075   while (true) {
00076   
00077     // read temperature
00078     int response = m2xClient.fetchValues(feedId, streamName, on_data_point_found, NULL, NULL, NULL, "1");
00079     printf("Fetch response code: %d\r\n", response);
00080     if (response == -1) 
00081         bled = 0;
00082     else 
00083         bled = 1;
00084     
00085     led = !led;
00086 
00087     // wait 5 secs and then loop
00088     delay(2000);
00089   }
00090 }