First version

Simple Scalar Network Analyzer code for Arduino and Python UI

Arduino_sketch/AH_AD9850_Master/AH_AD8950.cpp

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+
+/***************************************************
+** 						  **
+**  Controller Library for AD9850 Module/Shield   **
+** 						  **
+**  Downloaded from:				  **
+**  www.arduino-projekte.de			  **
+**						  **
+***************************************************/
+
+#include "AH_AD9850.h"
+
+#include "Arduino.h"
+
+
+//***************************************************************************
+
+AH_AD9850::AH_AD9850(int CLK, int FQUP, int BitData, int RESET)
+{
+
+   	_CLK = CLK;
+   	_FQUP= FQUP;
+   	_RST= RESET;
+   	_BitData = BitData;
+
+	pinMode(_RST, OUTPUT);
+   	pinMode(_FQUP, OUTPUT);
+   	pinMode(_CLK , OUTPUT);
+   	pinMode(_BitData, OUTPUT);
+
+	digitalWrite(_RST, LOW);
+   	digitalWrite(_FQUP, LOW);
+   	digitalWrite(_CLK, LOW);
+   	digitalWrite(_BitData, LOW);
+}
+
+//***************************************************************************
+
+void AH_AD9850::reset()
+	{
+	  digitalWrite(_CLK, LOW);
+	  digitalWrite(_FQUP, LOW);
+
+	  //Reset signal
+	  digitalWrite(_RST, HIGH);
+
+          for(int i=0;i<5;i++)
+            {clock_CLK();}
+
+	  digitalWrite(_RST, LOW);
+
+          for(int i=0;i<2;i++)
+            {clock_CLK();}		
+
+          clock_FQUP();		
+	}
+
+//***************************************************************************
+
+void AH_AD9850::set_frequency(boolean PowerDown, byte Phase, double Freq)
+{
+  byte w,w0;
+  long int y;
+  double x;
+
+  byte ConrolBits = 0x00;  //Bxxxxxx00 only allowed bits!!
+
+  w0= (Phase & B00011111)<<3 | (PowerDown & 0x01)<<2 | ConrolBits;
+
+  //Calculate the frequency of the HEX value
+  x=4294967295/125;		//Suitable for 125M Crystal 
+  Freq=Freq/1000000;
+  Freq=Freq*x;
+  y=Freq;
+
+  clock_FQUP();
+
+  //write w4
+  w=(y>>=0);
+  write(w);
+
+  //write w3
+  w=(y>>8);
+  write(w);
+
+  //write w2
+  w=(y>>16);
+  write(w);
+
+  //write w1
+  w=(y>>24);
+  write(w);
+
+  //write w0
+//  w=w0;
+  write(w0);
+
+  clock_FQUP();
+}
+
+
+//***************************************************************************
+
+void AH_AD9850::set_frequency(double Freq)
+{
+  byte w,w0;
+  long int y;
+  double x;
+
+  w0= 0x00;    //Phase=0, PowerDown=LOW, ControlBits=00
+
+  x=4294967295/125;	//Calculate the frequency of the HEX value, Suitable for 125M Crystal 			
+  Freq=Freq/1000000;
+  Freq=Freq*x;
+  y=Freq;
+
+  clock_FQUP();
+
+   w=(y>>=0);
+   write(w);  	//write w4
+
+   w=(y>>8);
+   write(w);	//write w3
+
+   w=(y>>16);
+   write(w);	//write w2
+
+   w=(y>>24);
+   write(w);	//write w1
+
+//   w=w0;
+   write(w0);	//write w0
+
+  clock_FQUP();
+}
+
+
+//***************************************************************************
+
+void AH_AD9850::powerDown()
+{
+  byte w,w0;
+  w = 0x0;
+  w0 = B00000100;
+
+  clock_FQUP();
+
+  //write w4
+  write(w);
+
+  //write w3
+  write(w);
+
+  //write w2
+  write(w);
+
+  //write w1
+  write(w);
+
+  //write w0
+  write(w0);
+
+  clock_FQUP();
+}
+
+
+//****************************************************************************
+
+
+void AH_AD9850::write(byte word)
+{ 
+  byte i;
+  for(i=0; i<8; i++)
+  {
+    digitalWrite(_BitData, (word>>i)&0x01);
+    clock_CLK();
+  }
+}
+
+//***************************************************************************
+
+void AH_AD9850::clock_CLK()
+{
+	  digitalWrite(_CLK, HIGH);
+	  digitalWrite(_CLK, LOW);
+}
+
+//***************************************************************************
+
+void AH_AD9850::clock_FQUP()
+{
+	  digitalWrite(_FQUP, HIGH);
+	  digitalWrite(_FQUP, LOW);
+}
+
+//***************************************************************************
+void AH_AD9850::operator<<(double frequency)
+{
+  set_frequency(frequency);
+}	
+
+
+
+
+
+
+
+
+
+
+
+
+
+

Arduino_sketch/AH_AD9850_Master/AH_AD9850.h

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+
+/***************************************************
+** 						  **
+**  Controller Library for AD9850 Module/Shield   **
+** 						  **
+**  Downloaded from:				  **
+**  www.arduino-projekte.de			  **
+**						  **
+***************************************************/
+
+#ifndef __AH_AD9850_H__
+#define __AH_AD9850_H__
+
+#include "Arduino.h"
+
+
+class AH_AD9850{
+ public:
+     	AH_AD9850(int CLK, int FQUP, int BitData, int RESET);
+     	void reset();
+     	void set_frequency(boolean PowerDown, byte Phase, double Freq);
+     	void set_frequency(double Freq);
+        void operator<<(double Freq);
+        void powerDown();
+
+ private:
+     	int _CLK;
+     	int _FQUP;
+     	int _RST;
+     	int _BitData;
+
+     	void write(byte word);
+	void clock_CLK();
+	void clock_FQUP();
+
+};
+
+#endif

Arduino_sketch/AH_AD9850_Master/examples/AH_AD9850_Shield/AH_AD9850_Shield.ino

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+
+/********************************************************
+**  Downloaded from:                                   **
+**  http://www.arduino-projekte.de                     **
+********************************************************/
+
+#include <AH_AD9850.h>
+
+//CLK - D6, FQUP - D7,  BitData - D8, RESET - D9
+//AH_AD9850(int CLK, int FQUP, int BitData, int RESET);
+AH_AD9850 AD9850(8,10, 9, 11);
+
+void setup()
+{
+  //reset device
+  AD9850.reset();                   //reset module
+  delay(1000);
+  AD9850.powerDown();               //set signal output to LOW
+
+  // initialize serial communication
+  Serial.begin(9600);
+}
+
+void loop(){
+
+ //set_frequency(boolean PowerDown, byte Phase, double Freq); 
+ //AD9850.set_frequency(0,0,1000);    //set power=UP, phase=0, 1kHz frequency
+ //delay(1000); 
+ double freq;
+ if (Serial.available()) {
+   freq=Serial.parseFloat();
+   while(Serial.available()) Serial.read(); // eat extra characters
+   Serial.println(freq);
+   AD9850.set_frequency(freq);        //set frequency
+ }
+
+// AD9850 << 5000;                    //set 5kHz frequency in C++ style
+// delay(1000);
+
+
+
+
+}

Arduino_sketch/AH_AD9850_Master/keywords.txt

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+AH_AD9850		KEYWORD1
+
+reset			KEYWORD2
+set_frequency		KEYWORD2
+powerDown		KEYWORD2