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54 lines
880 B
C++
54 lines
880 B
C++
//
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// FILE: PCA9553_digitalRead.ino
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// AUTHOR: Rob Tillaart
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// DATE: 2023-07-18
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// PURPOSE: test PCA9553 library
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// URL: https://github.com/RobTillaart/PCA9553
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//
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// Connect pin 0 to 4 to either +5V or to GND
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// to read LOW/HIGH values
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#include "Arduino.h"
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#include "Wire.h"
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#include "PCA9553.h"
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PCA9553 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("PCA9553_LIB_VERSION: ");
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Serial.println(PCA9553_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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for (int pin = 0; pin < leds.outputCount(); pin++)
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{
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leds.pinMode(pin, INPUT);
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}
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}
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void loop()
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{
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for (int pin = 0; pin < leds.outputCount(); pin++)
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{
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int x = leds.digitalRead(pin);
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Serial.print(x);
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Serial.print('\t');
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}
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Serial.println();
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delay(100);
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}
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// -- END OF FILE --
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