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54 lines
893 B
Arduino
54 lines
893 B
Arduino
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//
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// FILE: PCA9552_blink.ino
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// AUTHOR: Rob Tillaart
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// DATE: 2023-07-18
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// PURPOSE: test PCA9552 library
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// URL: https://github.com/RobTillaart/PCA9552
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//
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// Connect LEDs from pin 0 and pin 1 with a resistor to 5V
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// See datasheet
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#include "Arduino.h"
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#include "Wire.h"
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#include "PCA9552.h"
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PCA9552 leds(0x62);
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void setup()
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{
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Serial.begin(115200);
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Serial.print("PCA9552_LIB_VERSION: ");
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Serial.println(PCA9552_LIB_VERSION);
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Serial.println();
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if (leds.begin() == false)
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{
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Serial.println("Could not connect.");
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while(1);
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}
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// GPIO
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// not mandatory, just to make it explicit
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leds.pinMode(0, OUTPUT);
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leds.pinMode(1, OUTPUT);
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}
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void loop()
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{
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leds.digitalWrite(0, LOW);
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delay(500);
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leds.digitalWrite(1, LOW);
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delay(500);
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leds.digitalWrite(0,HIGH);
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delay(500);
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leds.digitalWrite(1,HIGH);
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delay(500);
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}
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// -- END OF FILE --
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