Revision 2:13377441fbd8, committed 2019-06-14

Comitter:

RGurav

Date:

Fri Jun 14 10:56:53 2019 +0000

Parent:

1:ba6c18cce219

Commit message:

Cog4050 + ADXL355

Changed in this revision

--- a/main.cpp	Tue Sep 04 11:53:19 2018 +0000
+++ b/main.cpp	Fri Jun 14 10:56:53 2019 +0000
@@ -16,6 +16,7 @@
 ADXL355 accl(SPI1_CS0, SPI1_MOSI, SPI1_MISO, SPI1_SCLK);    // PMOD port
 
 float single_axis(float a);
+float single_axisz(float a);
 float dual_axis(float a, float b);
 float tri_axis(float a, float b, float c);
     
@@ -50,7 +51,7 @@
         
     //pc.printf("Enter no of axis for angle calculation (1/2/3):\r\n");
     //pc.scanf("%d",&axis);
-    axis = 4;
+    axis = 2;
     pc.printf("||x_accl||y_accl||z_accl||x_tilt||y_tilt||z_tilt||\r\n");
    
     wait(1);
@@ -68,33 +69,28 @@
         z = (accl.convert(accl.scanz()));
         t = 25+float(accl.scant()-1852)/(-9.05);
                                   
-        //pc.printf("%d \t %d \t %d \r\n", accl.scanx(), accl.scany(), accl.scanz());  
-        //pc.printf("%f \t %f \t %f \r\n", x, y, z);  
-        //pc.printf("%f\r\n", asin(0.2)*57.2957);
-                                            
-        tilt_x = single_axis(x);
-        tilt_y = single_axis(y);
-        tilt_z = single_axis(z);
-    
-        tilt_2x = dual_axis(x,z);
-        tilt_2y = dual_axis(y,x);
-        tilt_2y = tilt_2y * (-1);
         
-        tilt_3x = tri_axis(x,y,z);
-        tilt_3y = tri_axis(y,x,z);
-        tilt_3z = sqrt((x*x)+(y*y));
-        tilt_3z = atan(tilt_3z/z);
-        tilt_3z = floor(tilt_3z*100)/100;
                                     
         if (axis==1)
         {
-            pc.printf("||%0.2f||%0.2f||%0.2f||%0.2f||%0.2f||%0.2f|| \r\n" , x, y, z, tilt_x, tilt_y, tilt_z);
-            //pc.printf("%f", accl.axis355_sens);
-            wait(1.0);     }
+            char in = pc.getc();
+            if(in == 'x')
+                {pc.printf("%0.2f" ,x); 
+                }
+                
+            else if(in == 'y')
+                {pc.printf("%0.2f" ,y); 
+                }
+                
+            else if(in == 'z')
+                {pc.printf("%0.2f" ,z); 
+                }
+               
+        }
         
         if (axis==2)
         {
-            pc.printf("||%0.2f||%0.2f||%0.2f||%0.2f||%0.2f|| \r\n" , x*accl.axis355_sens, y*accl.axis355_sens, z*accl.axis355_sens, tilt_x, tilt_y);
+            pc.printf("||%0.2f||%0.2f||%0.2f||%0.2f||%0.2f||%0.2f|| \r\n" , x*accl.axis355_sens, y*accl.axis355_sens, z*accl.axis355_sens, tilt_x, tilt_y, tilt_z);
             wait(0.5);
         }
       
@@ -137,6 +133,28 @@
         return Y;
                     
     }
+    //particullary for z axis single
+    float single_axisz(float a)
+    {
+        a = a*accl.axis355_sens;
+        
+        if (a>1.0f)
+        { a = 1;
+        }
+        else if (a<-1)
+        { a = -1;
+        }
+        else 
+        { a = a;    
+        }
+        
+        double Y;
+        
+        Y = acos(a);
+        Y = floor((57.2957f*Y)*100)/100;
+        return Y;
+                    
+    }
 
 //Dual Axis 
     float dual_axis(float a, float b)