Diff: main.cpp

Revision:

0:9eeda5b17b5b

Child:

1:c340607e4661

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jul 10 12:22:18 2014 +0000
@@ -0,0 +1,47 @@
+#include "mbed.h"
+#include "math.h"
+#include "MovingAverage.h"
+//USBSerial pc;
+struct{
+double   gain;
+double   offset;
+//AnalogIn adc;
+    }adc_volt,adc_curr;
+Serial pc(USBTX, USBRX);
+AnalogIn adc_1(PTB2);
+AnalogIn adc_2(PTB3);
+Ticker flipperADC;
+DigitalOut led1(LED_RED);
+DigitalOut led2(LED_GREEN);
+DigitalOut led3(LED_BLUE);
+MovingAverage<float> Trms_float(100,0);
+MovingAverage<int> Trms_int(100,0);
+void flipADC() {
+    led1=1;
+    int val_i32=adc_2.read_u16()-adc_1.read_u16(); //read ADC
+    
+    float val=((float)val_i32*adc_volt.gain)-adc_volt.offset;
+    Trms_float.Insert(val*val);
+   led1=0;
+  }
+
+int main() {
+    
+pc.baud(115200);
+adc_volt.gain=3.3/65535.0;
+adc_volt.offset=0.0;
+
+    flipperADC.attach_us(&flipADC, 200); //200µs
+
+    led1=1;
+    led2=0;
+    led3=1;
+    while (true) {
+        
+        wait (1); 
+        led3=1;
+
+        pc.printf("RMS=%0.3f \r\n",sqrt(Trms_float.GetAverage()));
+        led3=0;
+    }
+}
\ No newline at end of file