mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-10-03 18:09:02 -04:00
43 lines
604 B
C++
43 lines
604 B
C++
//
|
|
// FILE: PCF8574_isConnected.ino
|
|
// AUTHOR: Rob Tillaart
|
|
// DATE: 2021-01-03
|
|
// PUPROSE: demo isConnected function
|
|
|
|
|
|
#include "PCF8574.h"
|
|
|
|
// adjust addresses if needed
|
|
PCF8574 PCF_39(0x39);
|
|
|
|
|
|
void setup()
|
|
{
|
|
Serial.begin(115200);
|
|
Serial.println(__FILE__);
|
|
Serial.print("PCF8574_LIB_VERSION:\t");
|
|
Serial.println(PCF8574_LIB_VERSION);
|
|
|
|
if (!PCF_39.begin())
|
|
{
|
|
Serial.println("could not initialize...");
|
|
}
|
|
if (!PCF_39.isConnected())
|
|
{
|
|
Serial.println("=> not connected");
|
|
}
|
|
else
|
|
{
|
|
Serial.println("=> connected!!");
|
|
}
|
|
}
|
|
|
|
|
|
void loop()
|
|
{
|
|
}
|
|
|
|
|
|
// -- END OF FILE --
|
|
|