Michael Ammann / Mbed 2 deprecated Cellular_m2x-demo-all

port to cellular

Dependencies:   C027_Support LM75B M2XStreamClient jsonlite mbed mbed-rtos

Fork of m2x-demo-all by AT&T M2X Team

main.cpp@5:df776765d890, 2014-06-05 (annotated)

Committer:
mazgch
Date:
Thu Jun 05 09:13:43 2014 +0000
Revision:
5:df776765d890
Parent:
3:dac7a2335ba5
Child:
6:7a1e717a0d1e
added in GPS support

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jb8414 0:38a7a8cae773 1 #include <jsonlite.h>
jb8414 0:38a7a8cae773 2 #include "M2XStreamClient.h"
jb8414 0:38a7a8cae773 3
jb8414 0:38a7a8cae773 4 #include "mbed.h"
jb8414 0:38a7a8cae773 5 #include "LM75B.h" //I2C Temperature Sensor
mazgch 5:df776765d890 6 #include "GPS.h" //GPS
jb8414 0:38a7a8cae773 7
mazgch 3:dac7a2335ba5 8 //------------------------------------------------------------------------------------
mazgch 3:dac7a2335ba5 9 // You need to configure these cellular modem / SIM parameters.
mazgch 3:dac7a2335ba5 10 // These parameters are ignored for LISA-C200 variants and can be left NULL.
mazgch 3:dac7a2335ba5 11 //------------------------------------------------------------------------------------
mazgch 1:c73a98da0e7a 12 #include "MDM.h"
mazgch 3:dac7a2335ba5 13 //! Set your secret SIM pin here (e.g. "1234"). Check your SIM manual.
mazgch 1:c73a98da0e7a 14 #define SIMPIN NULL
mazgch 3:dac7a2335ba5 15 /*! The APN of your network operator SIM, sometimes it is "internet" check your
mazgch 3:dac7a2335ba5 16 contract with the network operator. You can also try to look-up your settings in
mazgch 3:dac7a2335ba5 17 google: https://www.google.de/search?q=APN+list */
mazgch 1:c73a98da0e7a 18 #define APN "gprs.swisscom.ch"
mazgch 3:dac7a2335ba5 19 //! Set the user name for your APN, or NULL if not needed
mazgch 1:c73a98da0e7a 20 #define USERNAME NULL
mazgch 3:dac7a2335ba5 21 //! Set the password for your APN, or NULL if not needed
mazgch 1:c73a98da0e7a 22 #define PASSWORD NULL
mazgch 3:dac7a2335ba5 23 //------------------------------------------------------------------------------------
mazgch 1:c73a98da0e7a 24
mazgch 5:df776765d890 25 char feedId[] = "81b9fcc5a8585c55ae622488f50d8de0"; // Feed you want to post to
mazgch 5:df776765d890 26 char m2xKey[] = "1e1133cd475954868602c0f7503d4f22"; // Your M2X access key
mazgch 5:df776765d890 27 char streamName[] = "amb_temp"; // Stream you want to post to
jb8414 0:38a7a8cae773 28
jb8414 0:38a7a8cae773 29 char name[] = "<location name>"; // Name of current location of datasource
jb8414 0:38a7a8cae773 30 double latitude = 33.007872;
jb8414 0:38a7a8cae773 31 double longitude = -96.751614; // You can also read those values from a GPS
jb8414 0:38a7a8cae773 32 double elevation = 697.00;
mazgch 5:df776765d890 33 bool location_valid = false;
jb8414 0:38a7a8cae773 34
jb8414 0:38a7a8cae773 35 Client client;
jb8414 0:38a7a8cae773 36 M2XStreamClient m2xClient(&client, m2xKey);
jb8414 0:38a7a8cae773 37
mazgch 1:c73a98da0e7a 38 LM75B tmp(SDA,SCL); // I2C Temperature Sensor
jb8414 0:38a7a8cae773 39
jb8414 0:38a7a8cae773 40 void on_data_point_found(const char* at, const char* value, int index, void* context) {
jb8414 0:38a7a8cae773 41 printf("Found a data point, index: %d\r\n", index);
jb8414 0:38a7a8cae773 42 printf("At: %s Value: %s\r\n", at, value);
jb8414 0:38a7a8cae773 43 }
jb8414 0:38a7a8cae773 44
jb8414 0:38a7a8cae773 45 void on_location_found(const char* name,
jb8414 0:38a7a8cae773 46 double latitude,
jb8414 0:38a7a8cae773 47 double longitude,
jb8414 0:38a7a8cae773 48 double elevation,
jb8414 0:38a7a8cae773 49 const char* timestamp,
jb8414 0:38a7a8cae773 50 int index,
jb8414 0:38a7a8cae773 51 void* context) {
jb8414 0:38a7a8cae773 52 printf("Found a location, index: %d\r\n", index);
jb8414 0:38a7a8cae773 53 printf("Name: %s Latitude: %lf Longitude: %lf\r\n", name, latitude, longitude);
jb8414 0:38a7a8cae773 54 printf("Elevation: %lf Timestamp: %s\r\n", elevation, timestamp);
jb8414 0:38a7a8cae773 55 }
jb8414 0:38a7a8cae773 56
jb8414 0:38a7a8cae773 57 int main() {
mazgch 1:c73a98da0e7a 58 MDMSerial mdm;
mazgch 5:df776765d890 59 GPSI2C gps;
mazgch 3:dac7a2335ba5 60 //mdm.setDebug(4); // enable this for debugging issues
mazgch 3:dac7a2335ba5 61 if (!mdm.connect(SIMPIN, APN,USERNAME,PASSWORD))
mazgch 1:c73a98da0e7a 62 return -1;
mazgch 5:df776765d890 63
mazgch 5:df776765d890 64 char buf[256];
jb8414 0:38a7a8cae773 65
mazgch 5:df776765d890 66 Timer tmr;
mazgch 5:df776765d890 67 tmr.reset();
mazgch 5:df776765d890 68 tmr.start();
mazgch 5:df776765d890 69 while (true) {
mazgch 5:df776765d890 70 int ret;
mazgch 5:df776765d890 71 // extract the location information from the GPS NMEA data
mazgch 5:df776765d890 72 while ((ret = gps.getMessage(buf, sizeof(buf))) > 0) {
mazgch 5:df776765d890 73 int len = LENGTH(ret);
mazgch 5:df776765d890 74 if ((PROTOCOL(ret) == GPSParser::NMEA) && (len > 6)) {
mazgch 5:df776765d890 75 if (!strncmp("$GPGGA", buf, 6)) {
mazgch 5:df776765d890 76 char ch;
mazgch 5:df776765d890 77 if (gps.getNmeaAngle(2,buf,len,latitude) &&
mazgch 5:df776765d890 78 gps.getNmeaAngle(4,buf,len,longitude) &&
mazgch 5:df776765d890 79 gps.getNmeaItem(6,buf,len,ch) &&
mazgch 5:df776765d890 80 gps.getNmeaItem(9,buf,len,elevation)) {
mazgch 5:df776765d890 81 printf("GPS Location: %.5f %.5f %.1f %c\r\n", latitude, longitude, elevation, ch);
mazgch 5:df776765d890 82 location_valid = ch == '1' || ch == '2' || ch == '6';
mazgch 5:df776765d890 83 }
mazgch 5:df776765d890 84 }
mazgch 5:df776765d890 85 }
mazgch 5:df776765d890 86 }
jb8414 0:38a7a8cae773 87
mazgch 5:df776765d890 88 if (tmr.read_ms() > 60000) {
mazgch 5:df776765d890 89 tmr.reset();
mazgch 5:df776765d890 90 tmr.start();
mazgch 5:df776765d890 91
mazgch 5:df776765d890 92 // read temp
mazgch 5:df776765d890 93 sprintf(buf, "%0.2f", tmp.read());
mazgch 5:df776765d890 94
mazgch 5:df776765d890 95 // post temperature
mazgch 5:df776765d890 96 int response = m2xClient.post(feedId, streamName, buf);
mazgch 5:df776765d890 97 printf("Post response code: %d\r\n", response);
mazgch 5:df776765d890 98 if (response == -1) while (true) ;
mazgch 5:df776765d890 99
mazgch 5:df776765d890 100 // read temperature
mazgch 5:df776765d890 101 response = m2xClient.fetchValues(feedId, streamName, on_data_point_found, NULL);
mazgch 5:df776765d890 102 printf("Fetch response code: %d\r\n", response);
mazgch 5:df776765d890 103 if (response == -1) while (true) ;
jb8414 0:38a7a8cae773 104
mazgch 5:df776765d890 105 // update location
mazgch 5:df776765d890 106 if (location_valid) {
mazgch 5:df776765d890 107 response = m2xClient.updateLocation(feedId, name, latitude, longitude, elevation);
mazgch 5:df776765d890 108 printf("updateLocation response code: %d\r\n", response);
mazgch 5:df776765d890 109 if (response == -1) while (true) ;
mazgch 5:df776765d890 110 }
mazgch 5:df776765d890 111
mazgch 5:df776765d890 112 // read location
mazgch 5:df776765d890 113 response = m2xClient.readLocation(feedId, on_location_found, NULL);
mazgch 5:df776765d890 114 printf("readLocation response code: %d\r\n", response);
mazgch 5:df776765d890 115 if (response == -1) while (true) ;
mazgch 5:df776765d890 116 }
mazgch 5:df776765d890 117 else {
mazgch 5:df776765d890 118 delay(100);
mazgch 5:df776765d890 119 }
jb8414 0:38a7a8cae773 120 }
mazgch 1:c73a98da0e7a 121
mazgch 1:c73a98da0e7a 122 mdm.disconnect();
mazgch 1:c73a98da0e7a 123 mdm.powerOff();
jb8414 0:38a7a8cae773 124 }