Diff: manchester.cpp

Revision:

3:4fad63952e4c

Parent:

2:487a58ce256c

Child:

4:7ef585175a7b

--- a/manchester.cpp	Mon May 14 09:29:08 2018 +0000
+++ b/manchester.cpp	Tue May 15 08:05:16 2018 +0000
@@ -1,23 +1,27 @@
 #include "mbed.h"
 #include "manchester.h"
 
-DigitalIn signal(p16);
+DigitalIn signal(p7);
 Serial pc(USBTX, USBRX);
 Timer timer;
+//Timeout timeout;
 int datal[] = {1,0,1,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0};
-int datas[] = {1,1,1,1,0,0,0,0,0,0};
+bool notTimedOut;
 
 manchester::manchester()
 {
-
+    //pc.printf("object aag-nga-\r\n");
 }
 
 int manchester::decode()
 {
-
+    //pc.printf("bert zeg et\r\n");
     int previous,current,begin,end=0;
     int time=0;
     int i = 0;
+    int datas[] = {1,1,1,1,0,0,0,0,0,0};
+    notTimedOut = true;
+    //pc.printf("start code\r\n");
     timer.start();
     while(i< DELAY) {
         previous = current;
@@ -29,7 +33,9 @@
         wait_us(100);
     }
     i = 0;
-    while(i<4) {
+    //timeout.attach(callback(this,&manchester::isTimedOut), 3);
+    //pc.printf("start clockcalculation\r\n");
+    while(i<4 ) {
         end = begin;
         previous = current;
         current = signal.read();
@@ -40,37 +46,42 @@
             }
             i++;
         }
-
-
     }
-    float atime=((float)time/3000000);
-    i=4;
-    wait(atime/2);
-
-    while(i<10) {
-        int x = signal.read();
+    //pc.printf("loop is done\r\n");
+    if(notTimedOut == true) {
+        //pc.printf("not timed out\r\n");
+        float atime=((float)time/3000000);
+        i=4;
         wait(atime/2);
-        int y = signal.read();
-        wait(atime/2);
+        //pc.printf("start data\r\n");
+        while(i<10) {
+            int x = signal.read();
+            wait(atime/2);
+            int y = signal.read();
+            wait(atime/2);
 
-        if(x<y) {
-            datas[i]=0;
-        } else if(x>y) {
-            datas[i]=1;
+            if(x<y) {
+                datas[i]=0;
+            } else if(x>y) {
+                datas[i]=1;
+            }
+            i++;
         }
-        i++;
+        wait(1);
+        pc.printf("\n\raverage time is = %f s\n\r",atime);
+        pc.printf("with frequency %f\n\r",1/atime);
+        pc.printf("data is:");
+        int direction = getDirection(datas);
+        for(int j = 0; j<10; j++) {
+            printf("%d",datas[j]);
+        }
+        printf("with direction:%d\r\n",direction);
+        timer.stop();
+        return direction;
+    } else {
+        printf("timed out\r\n");
+        return 4;
     }
-
-    wait(1);
-    printf("\n\raverage time is = %f s\n\r",atime);
-    printf("with frequency %f\n\r",1/atime);
-    printf("data is:");
-    int direction = getDirection(datas);
-    for(int j = 0; j<10; j++) {
-        printf("%d",datas[j]);
-    }
-    printf("with direction:%d",direction);
-    return direction;
 }
 
 int manchester::getDirection(int* data)
@@ -91,14 +102,26 @@
     }
     return direction;
 }
-bool manchester::vlcDetected(){
+
+bool manchester::vlcDetected()
+{
     int i = 0;
     bool detected = false;
-    while(i<DELAY){
-        if(signal.read() != 0){
-            detected = true
+    while(i<DELAY) {
+        if(signal.read() != 0) {
+            detected = true;
         }
-        wait_us(100)   
+        wait_us(100);
     }
     return detected;
 }
+
+void manchester::isTimedOut()
+{
+    notTimedOut = false;
+}
+
+void manchester::printetwuk()
+{
+    pc.printf("test ng e ki\r\n");
+}
\ No newline at end of file