mirror of
https://github.com/RobTillaart/Arduino.git
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98 lines
1.7 KiB
C++
98 lines
1.7 KiB
C++
//
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// FILE: AD9850_demo.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: demo
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// URL: https://github.com/RobTillaart/AD985X
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#include "AD985X.h"
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AD9850 freqGen(10, 9, 8, 7, 6); // SW SPI
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// AD9850 freqGen(10, 9, 8, &SPI, 6); // HW SPI
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uint32_t freq = 0;
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uint32_t prev = 0;
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uint32_t maxFreq;
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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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// SPI.begin(); // HW SPI
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help();
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freqGen.begin();
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freqGen.powerUp();
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maxFreq = freqGen.getMaxFrequency();
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Serial.println(maxFreq);
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}
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void loop()
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{
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if (Serial.available() > 0)
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{
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int c = Serial.read();
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switch (c)
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{
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case '?' :
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help();
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break;
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case 'R' :
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freqGen.reset();
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freq = freqGen.getFrequency();
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break;
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case 'P' :
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freqGen.powerDown();
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break;
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case 'U' :
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freqGen.powerUp();
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break;
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case '+' :
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freq += 1;
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break;
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case '-' :
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freq -= 1;
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break;
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case '*' :
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freq *= 10;
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break;
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case '/' :
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freq /= 10;
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break;
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}
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if (freq > maxFreq) freq = maxFreq;
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}
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// UPDATE AD985X IF NEW VALUE
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if (prev != freq)
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{
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prev = freq;
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freqGen.setFrequency(freq);
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Serial.println(freq);
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}
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}
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void help()
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{
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Serial.println();
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Serial.println("+ : f = f + 1");
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Serial.println("- : f = f - 1");
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Serial.println("* : f = f * 10");
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Serial.println("/ : f = f / 10");
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Serial.println("? : help");
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Serial.println("R : AD9850 reset");
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Serial.println("P : AD9850 power down");
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Serial.println("U : AD9850 power up");
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Serial.println();
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}
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// -- END OF FILE --
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