Code du capteur GPS (Adam Wronski et Nassim Deleau)

Files at this revision

API Documentation at this revision

Comitter:
Adam06
Date:
Sun Apr 14 16:01:43 2019 +0000
Parent:
0:15611c7938a3
Commit message:
GPS

Changed in this revision

GPS.cpp Show diff for this revision Revisions of this file
GPS.h Show diff for this revision Revisions of this file
GPSl.cpp Show annotated file Show diff for this revision Revisions of this file
GPSl.h Show annotated file Show diff for this revision Revisions of this file
diff -r 15611c7938a3 -r ef53ddcd89c0 GPS.cpp
--- a/GPS.cpp	Tue Jun 08 14:10:27 2010 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,81 +0,0 @@
-/* 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;
-
-    while(1) {        
-        getline();
-
-        // Check if it is a GPGGA msg (matches both locked and non-locked msg)
-        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 * 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() {
-    while(_gps.getc() != '$');    // wait for the start of a line
-    for(int i=0; i<256; i++) {
-        msg[i] = _gps.getc();
-        if(msg[i] == '\r') {
-            msg[i] = 0;
-            return;
-        }
-    }
-    error("Overflowed message limit");
-}
diff -r 15611c7938a3 -r ef53ddcd89c0 GPS.h
--- a/GPS.h	Tue Jun 08 14:10:27 2010 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,57 +0,0 @@
-/* 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
diff -r 15611c7938a3 -r ef53ddcd89c0 GPSl.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GPSl.cpp	Sun Apr 14 16:01:43 2019 +0000
@@ -0,0 +1,84 @@
+/* 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 "GPSl.h"
+
+GPS::GPS(PinName tx, PinName rx) : _gps(tx, rx) {
+    _gps.baud(9600);    
+    longitude = 0.0;
+    latitude = 0.0;
+    altitude = 0.0;       
+}
+
+int GPS::sample() {
+    float time,dum2;
+    char ns, ew;
+    int lock,dum1;
+
+    while(1) {        
+        getline();
+
+        // Check if it is a GPGGA msg (matches both locked and non-locked msg)
+        if(sscanf(msg, "GPGGA,%f,%f,%c,%f,%c,%d,%d,%f,%f", &time, &latitude, &ns, &longitude, &ew, &lock,&dum1,&dum2, &altitude) >= 1) { 
+            if(!lock) {
+                longitude = 0.0;
+                latitude = 0.0; 
+                altitude=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 );
+                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() {
+    while(_gps.getc() != '$');    // wait for the start of a line
+    for(int i=0; i<256; i++) {
+        msg[i] = _gps.getc();
+        if(msg[i] == '\r') {
+            msg[i] = 0;
+            return;
+        }
+    }
+    error("Overflowed message limit");
+}
+
diff -r 15611c7938a3 -r ef53ddcd89c0 GPSl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GPSl.h	Sun Apr 14 16:01:43 2019 +0000
@@ -0,0 +1,61 @@
+/* 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_GPSl_H
+#define MBED_GPSl_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;
+    
+    //Altitude rajoutée
+    float altitude;
+    
+private:
+    float trunc(float v);
+    void getline();
+    
+    Serial _gps;
+    char msg[256];
+
+};
+
+#endif
+