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124 lines
2.1 KiB
C++
124 lines
2.1 KiB
C++
//
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// FILE: PCA9685_test02.ino
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// AUTHOR: Rob Tillaart
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// DATE: 24-APR-2016
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// VERSION: 0.1.2
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// PUPROSE: test PCA9685 library
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//
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#include "PCA9685.h"
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PCA9685 ledArray(0x40);
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void setup()
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{
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Wire.begin();
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ledArray.begin();
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Serial.begin(115200);
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Serial.println(__FILE__);
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Serial.print("PCA9685 LIB version: ");
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Serial.println(PCA9685_LIB_VERSION);
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Serial.println();
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testDigitalWrite(HIGH);
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testPWM(0);
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testPWMMode();
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testFrequency();
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delay(2000);
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testDigitalWrite(LOW);
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Serial.print(millis());
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Serial.print("\t");
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Serial.println("done...");
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}
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void testDigitalWrite(uint8_t mode)
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{
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Serial.print(millis());
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Serial.print("\t");
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Serial.println(__FUNCTION__);
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for (int channel = 0; channel < 16; channel++)
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{
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ledArray.digitalWrite(channel, mode);
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delay(100);
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}
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}
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void testPWM(uint8_t channel)
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{
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Serial.print(millis());
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Serial.print("\t");
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Serial.println(__FUNCTION__);
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uint16_t i = 0;
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while (i < 4096)
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{
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ledArray.setPWM(channel, 0, i);
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delay(1);
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i++;
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}
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while (i > 0)
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{
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ledArray.setPWM(channel, 0, i);
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delay(1);
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i--;
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}
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}
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void testPWMMode()
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{
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Serial.print(millis());
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Serial.print("\t");
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Serial.println(__FUNCTION__);
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for (uint16_t channel = 1; channel < 16; channel++)
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{
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// every next line ~twice as much time
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ledArray.setPWM(channel, channel * 127, channel * 255);
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uint16_t a = 0, b = 0;
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ledArray.getPWM(channel, &a, &b);
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if (a != channel * 127 || b != channel * 255)
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{
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Serial.print("Error channel:\t");
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Serial.println(channel);
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}
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}
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}
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void testFrequency()
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{
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Serial.print(millis());
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Serial.print("\t");
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Serial.println(__FUNCTION__);
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ledArray.setPWM(0, 1000, 3000);
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for (uint16_t freq = 12; freq < 2000; freq *= 2)
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{
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Serial.print(freq);
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ledArray.setFrequency(freq);
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// if freq is out of range => report
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if (ledArray.getFrequency() != freq)
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{
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Serial.print("\tconstrained to : ");
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Serial.println(ledArray.getFrequency());
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}
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else
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{
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Serial.println("\tOK");
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}
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delay(2000);
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}
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ledArray.setOFF(0);
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Serial.println();
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}
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void loop()
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{
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//testPWM(0);
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}
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// -- END OF FILE --
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