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57 lines
941 B
C++
57 lines
941 B
C++
//
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// FILE: PCA9551_blink.ino
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// AUTHOR: Rob Tillaart
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// DATE: 2023-07-18
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// PURPOSE: test PCA9551 library
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// URL: https://github.com/RobTillaart/PCA9551
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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 "PCA9551.h"
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PCA9551 leds(0x62);
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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("PCA9551_LIB_VERSION: ");
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Serial.println(PCA9551_LIB_VERSION);
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Serial.println();
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Wire.begin();
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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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