Diff: main.cpp

Revision:

0:d39a06ca6bf1

Child:

1:b088b771a591

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 23 10:41:18 2017 +0000
@@ -0,0 +1,49 @@
+#include "mbed.h"
+#include "rtos.h"
+#include "Filter.hpp"
+unsigned short ADC_DATA;
+
+//Init  values for difference equation
+//MBED Class Instances follows
+DigitalOut SampLED(LED1);              //Digital Output  (GREEN LED is PB_3, D13 You can use an Oscilloscope on This pin to confirm sample rate)
+
+AnalogIn  Ain(PA_1);                    //Analog Input (Signal Input 0 to +3 Volts)
+AnalogOut Aout(PA_4);                   //Analog Output (Signal Input 0 to +3 Volts)
+
+Ticker sample_timer;
+Thread T1;
+Thread T2;
+
+FILTER BP_filter(35000,4000,2,2);  //Create object of type Filter(Fs,Fo,Boost,Q)
+
+void sampler(void);
+
+
+int main()
+{
+    
+    
+    float sample_rate = (1.0/35000) ;
+    sample_timer.attach(&sampler,sample_rate);
+    
+    
+
+    while(1) {
+        sleep();
+    }
+}
+
+
+void sampler(void)
+{
+
+    SampLED = 1;                        //LED Indicates start of sampling
+
+    float input = Ain;
+    BP_filter.setvalue(input);       //Input ADC. N.B. ADC in MBED is 0.0 to 1.0 float!!!!!!
+    Aout = BP_filter.getvalue();
+    
+
+    SampLED = 0;      //LED Indicates end of sampling
+}
+