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https://github.com/RobTillaart/Arduino.git
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140 lines
2.4 KiB
C++
140 lines
2.4 KiB
C++
//
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// FILE: AD5204_demo.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: demo
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// DATE: 2020-07-24
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// URL: https://github.com/RobTillaart/AD520X
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#include "AD520X.h"
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uint32_t start, stop;
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// select, reset, shutdown, data, clock
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AD5206 pot(10, 255, 255, 8, 9); // SW SPI
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// select, reset, shutdown
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// AD5206 pot = AD5206(5, 6, 7); // HW SPI UNO clock = 13, data = 11
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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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pot.begin(4);
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// test_extremes();
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// test_sinus();
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// test_sawtooth();
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test_timing();
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Serial.println("\nDone...");
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}
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void loop()
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{
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}
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void test_extremes()
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{
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Serial.println(__FUNCTION__);
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delay(10);
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Serial.println("0");
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pot.setValue(0, 0);
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delay(2000);
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Serial.println("127");
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pot.setValue(0, 127);
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delay(2000);
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Serial.println("255");
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pot.setValue(0, 255);
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delay(2000);
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}
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// connect all A GND and B 5V
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// every W will have a different signal (same freq).
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void test_sinus()
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{
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Serial.println(__FUNCTION__);
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delay(10);
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start = millis();
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uint32_t i = 0;
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while (millis() - start < 10000)
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{
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int8_t value = 127 * sin(i * TWO_PI / 100);
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pot.setValue(0, 128 + value);
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pot.setValue(1, 128 + value / 2);
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pot.setValue(2, 64 + value / 2);
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pot.setValue(3, 192 + value / 2);
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pot.setValue(4, 224 + value / 4);
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pot.setValue(5, 128 - value);
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i++;
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}
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}
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// straightforward sawtooth.
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void test_sawtooth()
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{
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Serial.println(__FUNCTION__);
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delay(10);
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start = millis();
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uint8_t i = 0;
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while (millis() - start < 25500)
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{
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pot.setValue(0, i++); // auto wrap is fast...
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delay(100);
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}
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}
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void test_timing()
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{
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Serial.println(__FUNCTION__);
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delay(10);
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start = micros();
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for (int i = 0; i < 10000; i++)
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{
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pot.setValue(0, i++); // auto wrap is fast...
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}
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stop = micros();
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Serial.print("10000 x setValue():\t");
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Serial.println(stop - start);
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delay(10);
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start = micros();
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for (int i = 0; i < 1000; i++)
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{
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pot.setAll(i++);
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}
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stop = micros();
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Serial.print("1000 x setAll():\t");
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Serial.println(stop - start);
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delay(10);
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volatile int x = 0;
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start = micros();
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for (int i = 0; i < 250; i++)
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{
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x += pot.getValue(0);
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x += pot.getValue(1);
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x += pot.getValue(2);
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x += pot.getValue(3);
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}
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stop = micros();
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Serial.print("1000 x getValue():\t");
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Serial.println(stop - start);
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delay(10);
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}
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// -- END OF FILE --
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