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https://github.com/RobTillaart/Arduino.git
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57 lines
801 B
Arduino
57 lines
801 B
Arduino
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//
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// FILE: AD9851_sweeper.ino
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// AUTHOR: Rob Tillaart
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// VERSION: 0.2.0
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// PURPOSE: demo
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#include "AD985X.h"
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AD9851 freqGen;
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uint32_t freq = 0;
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uint32_t maxFreq = 2000000UL;
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bool up = true;
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void setup()
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{
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Serial.begin(115200);
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Serial.println(__FILE__);
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Serial.print("AD985X_LIB_VERSION: \t");
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Serial.println(AD985X_LIB_VERSION);
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freqGen.begin(10, 9, 8, 7, 6);
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freqGen.powerUp();
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freqGen.setAutoRefClock(true);
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freq = 100;
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}
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void loop()
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{
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if (up == true) freq *= 1.01;
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else freq /= 1.01;
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if (freq > maxFreq)
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{
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freq = maxFreq;
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up = false;
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}
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if (freq < 100)
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{
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freq = 100;
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up = true;
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}
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freqGen.setFrequency(freq);
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Serial.print(millis());
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Serial.print('\t');
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Serial.println(freq);
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delay(50);
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}
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// -- END OF FILE --
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