Sachit kadle
GPS Tweeter program that tweets the device's GPS location every 5 minutes.
Dependencies: EthernetNetIf HTTPClient mbed
Fork of
TwitterExample
by 
Donatien Garnier
Revision 4:2d5b7c5b995e, committed 2013-10-16
- Comitter:
- 4180skrw
- Date:
- Wed Oct 16 20:32:46 2013 +0000
- Parent:
- 3:2f8261781bf8
- Child:
- 5:22fb0d9a5de2
- Commit message:
- GPS Tweeter
Changed in this revision
--- a/EthernetNetIf.lib Fri Jul 09 14:49:52 2010 +0000 +++ b/EthernetNetIf.lib Wed Oct 16 20:32:46 2013 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/donatien/code/EthernetNetIf/#bc7df6da7589 +http://mbed.org/users/mamezu/code/EthernetNetIf/#0f6c82fcde82
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/GPS.cpp Wed Oct 16 20:32:46 2013 +0000
@@ -0,0 +1,137 @@
+/* mbed EM-406 GPS Module Library
+ * Copyright (c) 2008-2010, sford
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "GPS.h"
+
+GPS::GPS(PinName tx, PinName rx) : _gps(tx, rx) {
+ _gps.baud(4800);
+ longitude = 0.0;
+ latitude = 0.0;
+}
+
+int GPS::sample() {
+ float time;
+ char ns, ew;
+ int lock;
+
+ //return 1; //testing by Jigar
+ while (1) {
+ getline();
+ //printf("\n\rentered the GPS.sample while loop \n\r %s\n\r", msg);
+
+
+ // Check if it is a GPGGA msg (matches both locked and non-locked msg)
+ // $GPGGA,000116.031,,,,,0,00,,,M,0.0,M,,0000*52
+ /*
+ eg3. $GPGGA,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx*hh
+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+ 1 = UTC of Position
+ 2 = Latitude
+ 3 = N or S
+ 4 = Longitude
+ 5 = E or W
+ 6 = GPS quality indicator (0=invalid; 1=GPS fix; 2=Diff. GPS fix)
+ 7 = Number of satellites in use [not those in view]
+ 8 = Horizontal dilution of position
+ 9 = Antenna altitude above/below mean sea level (geoid)
+ 10 = Meters (Antenna height unit)
+ 11 = Geoidal separation (Diff. between WGS-84 earth ellipsoid and
+ mean sea level. -=geoid is below WGS-84 ellipsoid)
+ 12 = Meters (Units of geoidal separation)
+ 13 = Age in seconds since last update from diff. reference station
+ 14 = Diff. reference station ID#
+ 15 = Checksum
+
+ */
+ // if (sscanf(msg, "GPGGA,%f,%f,%c,%f,%c,%*d,%*d, %*f,%*f,%*f,%*f,%*f,%*f,%d ", &time, &latitude, &ns, &longitude, &ew, &lock) >= 1) {
+ if(sscanf(msg, "GPGGA,%f,%f,%c,%f,%c,%d", &time, &latitude, &ns, &longitude, &ew, &lock) >= 1) {
+
+ if (!lock) {
+ longitude = 0.0;
+ latitude = 0.0;
+ return 0;
+ } else {
+ if (ns == 'S') {
+ latitude *= -1.0;
+ }
+ if (ew == 'W') {
+ longitude *= -1.0;
+ }
+ float degrees = trunc(latitude / 100.0f);
+ float minutes = latitude - (degrees * 100.0f);
+ latitude = degrees + minutes / 60.0f;
+ degrees = trunc(longitude / 100.0f ); //degrees = trunc(longitude / 100.0f * 0.01f);
+ minutes = longitude - (degrees * 100.0f);
+ longitude = degrees + minutes / 60.0f;
+ return 1;
+ }
+ }
+ }
+}
+
+float GPS::trunc(float v) {
+ if (v < 0.0) {
+ v*= -1.0;
+ v = floor(v);
+ v*=-1.0;
+ } else {
+ v = floor(v);
+ }
+ return v;
+}
+
+void GPS::getline() {
+ char c;
+ while (c = _gps.getc() != '$'); // wait for the start of a line
+ // printf("entered the getline loop\n\r");
+ for (int i=0; i<256; i++) {
+ msg[i] = _gps.getc();
+ if (msg[i] == '\r') {
+ msg[i] = 0;
+ return;
+ }
+ }
+ error("Overflowed message limit");
+}
+
+/*
+$GPRMC,000115.039,V,,,,,,,291006,,*2C
+$GPGGA,000116.031,,,,,0,00,,,M,0.0,M,,0000*52
+$GPGSA,A,1,,,,,,,,,,,,,,,*1E
+$GPGSV,3,1,12,20,00,000,,10,00,000,,31,00,000,,27,00,000,*7C
+$GPGSV,3,2,12,19,00,000,,07,00,000,,04,00,000,,24,00,000,*76
+$GPGSV,3,3,12,16,00,000,,28,00,000,,26,00,000,,29,00,000,*78
+$GPRMC,000116.031,V,,,,,,,291006,,*27
+$GPGGA,000117.035,,,,,0,00,,,M,0.0,M,,0000*57
+$GPGSA,A,1,,,,,,,,,,,,,,,*1E
+$GPRMC,000117.035,V,,,,,,,291006,,*22
+$GPGGA,000118.039,,,,,0,00,,,M,0.0,M,,0000*54
+$GPGSA,A,1,,,,,,,,,,,,,,,*1E
+$GPRMC,000118.039,V,,,,,,,291006,,*21
+$GPGGA,000119.035,,,,,0,00,,,M,0.0,M,,0000*59
+$GPGSA,A,1,,,,,,,,,,,,,,,*1E
+$GPRMC,000119.035,V,,,,,,,291006,,*2C
+$GPGGA,000120.037,,,,,0,00,,,M,0.0,M,,0000*51
+$GPGSA,A,1,,,,,,,,,,,,,,,*1E
+$GPRMC,000120.037,V,,,,,,,291006,,*24
+
+*/
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/GPS.h Wed Oct 16 20:32:46 2013 +0000
@@ -0,0 +1,57 @@
+/* mbed EM-406 GPS Module Library
+ * Copyright (c) 2008-2010, sford
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "mbed.h"
+
+#ifndef MBED_GPS_H
+#define MBED_GPS_H
+
+/** A GPS interface for reading from a Globalsat EM-406 GPS Module */
+class GPS {
+public:
+
+ /** Create the GPS interface, connected to the specified serial port
+ */
+ GPS(PinName tx, PinName rx);
+
+ /** Sample the incoming GPS data, returning whether there is a lock
+ *
+ * @return 1 if there was a lock when the sample was taken (and therefore .longitude and .latitude are valid), else 0
+ */
+ int sample();
+
+ /** The longitude (call sample() to set) */
+ float longitude;
+
+ /** The latitude (call sample() to set) */
+ float latitude;
+
+private:
+ float trunc(float v);
+ void getline();
+
+ Serial _gps;
+ char msg[256];
+
+};
+
+#endif
--- a/HTTPClient.lib Fri Jul 09 14:49:52 2010 +0000 +++ b/HTTPClient.lib Wed Oct 16 20:32:46 2013 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/donatien/code/HTTPClient/#d97a4fc01c86 +http://mbed.org/users/mamezu/code/HTTPClient/#62fac7f06c8d
--- a/TwitterExample.cpp Fri Jul 09 14:49:52 2010 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/*
- Update: 21-06-2010
- The basic authentication service for twitter is going down at the end of the week.
- To continue using that program, the code has been updated to use http://supertweet.net which acts as an API proxy.
- Simply visit the website to setup your twitter account for this API.
- See: http://www.supertweet.net/about/documentation
-*/
-
-#include "mbed.h"
-#include "EthernetNetIf.h"
-#include "HTTPClient.h"
-
-EthernetNetIf eth;
-
-int main() {
-
- printf("Init\n");
-
- printf("\r\nSetting up...\r\n");
- EthernetErr ethErr = eth.setup();
- if(ethErr)
- {
- printf("Error %d in setup.\n", ethErr);
- return -1;
- }
- printf("\r\nSetup OK\r\n");
-
- HTTPClient twitter;
-
- HTTPMap msg;
- msg["status"] = "I am tweeting from my mbed!"; //A good example of Key/Value pair use with Web APIs
-
- twitter.basicAuth("myuser", "mypass"); //We use basic authentication, replace with you account's parameters
-
- //No need to retieve data sent back by the server
- HTTPResult r = twitter.post("http://api.supertweet.net/1/statuses/update.xml", msg, NULL);
- if( r == HTTP_OK )
- {
- printf("Tweet sent with success!\n");
- }
- else
- {
- printf("Problem during tweeting, return code %d\n", r);
- }
-
- return 0;
-
-}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Oct 16 20:32:46 2013 +0000
@@ -0,0 +1,74 @@
+#include "mbed.h"
+#include "EthernetNetIf.h"
+#include "HTTPClient.h"
+#include "GPS.h"
+
+EthernetNetIf eth;
+GPS gps(p13, p14);
+
+int main() {
+ // Setup the time structure
+
+ char buff[141];
+
+ printf("Initialization in Process\n");
+
+ EthernetErr ethErr = eth.setup(180000);
+ if(ethErr)
+ {
+ printf("Error %d in setup.\n", ethErr);
+ return -1;
+ }
+ printf("\r\nSetup OK\r\n");
+ //wait(45);
+
+ // Setup objects for sending the tweet.
+ HTTPClient twitter;
+ HTTPMap msg;
+
+ while(1) {
+
+ printf("\Attempting to Read in From the GPS Device\n\r");
+ gps.sample();
+ if(gps.sample()) {
+ printf("I'm at %f, %f\n\r", gps.longitude, gps.latitude);
+ sprintf(buff,"I'm at %f, %f", gps.longitude, gps.latitude);
+ //sprintf(buff,"Hey Guys, today I decided to take up a new hobby to cook. I will be making some amazing thing.");
+ msg["status"] = buff;
+ twitter.basicAuth("4180SKRW", "welcome1"); //We use basic authentication, replace with you account's parameters
+
+ //No need to retieve data sent back by the server
+ HTTPResult r = twitter.post("http://api.supertweet.net/1.1/statuses/update.json", msg, NULL);
+ if( r == HTTP_OK )
+ {
+ printf("Tweet sent with success!\n");
+ }
+ else
+ {
+ printf("Problem during tweeting, return code %d\n", r);
+ }
+
+ } else {
+ printf("Oh Dear! No lock :(\n\r");
+ sprintf(buff,"hello my name is richard");
+ msg["status"] = buff;
+ twitter.basicAuth("4180SKRW", "welcome1"); //We use basic authentication, replace with you account's parameters
+
+ //No need to retieve data sent back by the server
+ HTTPResult r = twitter.post("http://api.supertweet.net/1.1/statuses/update.json", msg, NULL);
+ if( r == HTTP_OK )
+ {
+ printf("Tweet sent with success!\n");
+ }
+ else
+ {
+ printf("Problem during tweeting, return code %d\n", r);
+ }
+ }
+
+ wait(60*5);
+ }
+
+ return 0;
+
+}
--- a/mbed.bld Fri Jul 09 14:49:52 2010 +0000 +++ b/mbed.bld Wed Oct 16 20:32:46 2013 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/9114680c05da +http://mbed.org/users/mbed_official/code/mbed/builds/976df7c37ad5 \ No newline at end of file