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Author: avandalen

Test_AnalogReadFast_AVR/Test_AnalogReadFast_AVR.ino

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+#include <Streaming.h>
+#include <StopWatch.h>
+#include <Albert.h>
+#include <avdweb_AnalogReadFast.h>
+
+const byte adcPin = A1; 
+  
+void setup(void) 
+{ Serial.begin(9600);
+  while(!Serial);
+  Serial << "\nanalogRead_10bit us1 analogReadFast_10bit us3";
+  for(int i=0; i<10; i++) testAnalogRead();
+}
+
+void testAnalogRead()
+{ static Stopwatch stopwatch(micros); 
+  //delay(1000);
+  
+  stopwatch.start(); 
+  int adc1 = analogRead(adcPin); // only resolution 10bit 112us on AVR 
+  stopwatch.stop(); int t1 = stopwatch.interval;
+
+  stopwatch.start(); 
+  int adc2 = analogReadFast(adcPin); // 20us on AVR 
+  stopwatch.stop(); int t2 = stopwatch.interval;
+
+  Serial << endl << adc1, t1, adc2, t2;
+}
+
+void loop(void) 
+{  
+}
+
+
+