Diff: main.cpp

Revision:

8:c0a52f5de10d

Parent:

7:73d911fc2bfa

--- a/main.cpp	Fri Jan 06 13:33:19 2017 +0000
+++ b/main.cpp	Wed Jan 18 17:04:49 2017 +0000
@@ -1,24 +1,90 @@
+// Provide a serial pass-through between the PC and an external UART
+ 
 #include "mbed.h"
-#include "GPS.h"
-Serial pc(PA_0,PA_1);
+
+Serial pc(PA_0,PA_1);       // tx, rx
+//Serial gps(PA_9, PA_10);       // tx, rx
+
+uint8_t buffer[64]; // buffer array for data receive over serial port
+uint8_t count=0; 
 
-GPS ark(PA_2,PA_3);
-DigitalOut myled(LED1);
+typedef struct {
+uint8_t heure;
+uint8_t minute;
+uint8_t seconde;
+} temps;
+ 
+typedef struct {
+uint8_t degre;
+uint8_t minut;
+double secon;
+char azimut;
+} latitude;
+ 
+typedef struct {
+uint8_t degre;
+uint8_t minut;
+double secon;
+char azimut;
+} longiture;
 
-int main()
+void initSerial()
+{
+        pc.baud(9600);
+        pc.format(8,SerialBase::None,1);
+        //gps.baud(9600);
+        //gps.format(8,SerialBase::None,1);
+}
+
+void clearBufferArray() // function to clear buffer array
 {
-    while(1) {
-        pc.printf("\r\n GPS Test program");
-        pc.printf("\r\n******\r\n");
-        if( ark.sample() == 1) {
-            myled=0;
-            float latitude = ark.latitude;
-            float longitude = ark.longitude;
-            float utc =50000;
-            pc.printf("latitude: %0.2f, longitude: %0.2f, utc: %f\r\n",latitude,longitude,utc);
-            wait(1);
-        } else {
-            myled=1;
+    for (int i=0; i<count;i++)
+    {
+        buffer[i]=NULL;
+    } // clear all index of array with command NULL
+}
+
+void writeBufferArray()
+{
+    for (int i=0; i<count;i++)
+    {
+        pc.putc(buffer[i]);
+    } // write all index of array
+}
+
+int main() 
+{
+    initSerial();
+    while(1)
+    {
+        temps tmp;
+        if (pc.readable())                     // if date is coming from software serial port ==> data is coming from SoftSerial shield
+        {
+            while(pc.readable())               // reading data into char array
+            {
+                buffer[count++]=pc.getc();      // writing data into array
+                if(count == 64)break;
+            }
+            /*
+            if (sscanf(buffer, "$GPGGA, %2d%2D%lf", &tmp.heure, &tmp.minute, &tmp.seconde) == 3)
+            {
+                pc.printf("%dh, %dm, %fs\n", tmp.heure, tmp.minute, tmp.seconde);
+            }
+            else
+            {
+                pc.printf("error parsing message bro\n");
+            }
+            */
+            
+            writeBufferArray();
+            //pc.write(buffer,count); // if no data transmission ends, write buffer to hardware serial port
+            clearBufferArray(); // call clearBufferArray function to clear the stored data from the array
+            count = 0;          // set counter of while loop to zero
+     
+     
         }
+        //if (Serial.available())                 // if data is available on hardware serial port ==> data is coming from PC or notebook
+        //SoftSerial.write(Serial.read());        // write it to the SoftSerial shield
     }
-}
\ No newline at end of file
+ 
+}