Diff: main.cpp

Revision:

11:7efb6e4759cc

Parent:

10:3495fff88da7

Child:

12:d522a7a061d6

--- a/main.cpp	Thu Nov 30 10:18:21 2017 +0000
+++ b/main.cpp	Sat Dec 02 13:35:40 2017 +0000
@@ -10,15 +10,15 @@
 DigitalOut SampLED(LED1);              //Digital Output  (GREEN LED is PB_3, D13 You can use an Oscilloscope on This pin to confirm sample rate)
 
 //Analog Inputs
-AnalogIn QDEF(PA_7);
-AnalogIn BDEF(PA_6);
-AnalogIn FDEF(PA_5);
+AnalogIn QDEF(PA_7);                    // Q Factor
+AnalogIn BDEF(PA_6);                    // Boost Level
+AnalogIn FDEF(PA_5);                    //Centre Frequency
 AnalogIn  Ain(PA_1);                    //Analog Input (Signal Input 0 to +3 Volts)
 AnalogOut Aout(PA_4);                   //Analog Output (Signal Input 0 to +3 Volts)
 
 //Declare Tickers
 Ticker sample_timer;
-Ticker coeff_change;
+
 
 //Declare Threads
 Thread t1;
@@ -34,7 +34,7 @@
 //Declare Filter
 FILTER BP_filter(48000,10000,-16,2);  //Create object of type Filter(Fs,Fo,Boost,Q)
 
-//Declare Fixed Variables
+//Declare Variables
 float Fo = 1;
 float Boost = 0;
 float Q = 1;
@@ -51,9 +51,12 @@
 
 int main()
 {
-    t2.start(sampler);
-    t1.start(coeff_update);
-    printf("Hello");
+    t2.start(sampler);//Start the Sampler timed interrupt
+    t1.start(coeff_update);//Update the coeffiecients of the filter
+    while(1)
+    {
+        
+    }
 }
 
 
@@ -78,7 +81,7 @@
         BP_filter.Define_Filter();                          //Calculate the coefficients
         //BP_filter.Print_Filter();                           //Print the ceofficients
         printf("Q = %d \t Boost = %f \t Fo = %d\n\r", BP_filter.Get_Q(), BP_filter.Get_Boost(), BP_filter.Get_Fo());
-        Thread::wait(1000);
+        Thread::wait(1000);//Sleep the thread for 1 second then re runs the coefficient calculation 
     }
 }
 
@@ -94,6 +97,6 @@
         
     
         SampLED = 0;      //LED Indicates end of sampling
-        Thread::wait(sample_rate/1000);
+        Thread::wait(sample_rate/1000);//Look at this
     }
-}
\ No newline at end of file
+}