mirror of
https://github.com/RobTillaart/Arduino.git
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93 lines
2.0 KiB
C++
93 lines
2.0 KiB
C++
//
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// FILE: AD985X_array.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: demo multi device
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// URL: https://github.com/RobTillaart/AD985X
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/*
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Arduino AND AD985X
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--------------------------------------------------
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+--------+
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(2) select ----| A |
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| Q |------- FQ_UD AD985X[0]
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(9) FQ_UD ----| B |
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+--------+
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+--------+
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(3) select ----| A |
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| Q |------- FQ_UD AD985X[1]
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(9) FQ_UD ----| B |
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+--------+
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+--------+
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(4) select ----| A |
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| Q |------- FQ_UD AD985X[2]
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(9) FQ_UD ----| B |
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+--------+
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*/
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#include "AD985X.h"
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// three AD9850 objects in an array
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AD9850 freqGen[3];
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uint8_t SELECT[3] = { 2, 3, 4 };
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float freq[3] = { 25000, 30000, 40000 };
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uint32_t previous[3] = { 0, 0, 0 };
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uint32_t period[3] = { 1000, 1100, 1200 };
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uint32_t maxFreq = 1000000;
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uint32_t now;
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void setup()
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{
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// OPEN SERIAL for messages and debugging etc
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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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// initialize three devices
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for (int i = 0; i < 3; i++)
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{
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// select, reset, fq_ud, data, clock
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freqGen[i].begin(SELECT[i], 9, 8, 7, 6);
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freqGen[i].powerUp();
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freqGen[i].setFrequencyF(freq[i]);
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}
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maxFreq = freqGen[0].getMaxFrequency();
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Serial.print("MAXFREQ:\t");
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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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now = millis();
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// update any of the devices?
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for (int i = 0; i < 3; i++)
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{
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if ( now - previous[i] >= period[i] )
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{
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previous[i] = now;
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freq[i] += freq[i] * 0.01;
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if (freq[i] > maxFreq) freq[i] = 500;
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freqGen[i].setFrequencyF(freq[i]);
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Serial.print("FREQ ");
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Serial.print(i);
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Serial.print(" set to: ");
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Serial.println( (uint32_t) freq[i]);
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}
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}
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}
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// -- END OF FILE --
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