mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-10-03 18:09:02 -04:00
71 lines
1.3 KiB
C++
71 lines
1.3 KiB
C++
//
|
|
// FILE: PCA9549_demo.ino
|
|
// AUTHOR: Rob Tillaart
|
|
// PURPOSE: demo PCA9543 I2C multiplexer
|
|
// URL: https://github.com/RobTillaart/PCA9549
|
|
|
|
|
|
#include "PCA9549.h"
|
|
|
|
PCA9549 PCA(0x70);
|
|
|
|
|
|
void setup()
|
|
{
|
|
Serial.begin(115200);
|
|
Serial.println(__FILE__);
|
|
Serial.print("PCA9549_LIB_VERSION: ");
|
|
Serial.println(PCA9549_LIB_VERSION);
|
|
Serial.println();
|
|
|
|
Wire.begin();
|
|
if (PCA.begin() == false)
|
|
{
|
|
Serial.println("COULD NOT CONNECT");
|
|
}
|
|
|
|
Serial.print("MASK:\t");
|
|
Serial.println(PCA.getChannelMask(), HEX);
|
|
for (int chan = 0; chan < 8; chan++)
|
|
{
|
|
Serial.print("PRE:\t");
|
|
Serial.print(PCA.isEnabled(chan));
|
|
PCA.enableChannel(chan);
|
|
Serial.print("\t");
|
|
Serial.println(PCA.isEnabled(chan));
|
|
delay(100);
|
|
}
|
|
Serial.println();
|
|
PCA.setChannelMask(0x00);
|
|
|
|
Serial.print("MASK:\t");
|
|
Serial.println(PCA.getChannelMask(), HEX);
|
|
for (int chan = 0; chan < 8; chan++)
|
|
{
|
|
PCA.enableChannel(chan);
|
|
|
|
Serial.print("MASK:\t");
|
|
Serial.println(PCA.getChannelMask(), HEX);
|
|
delay(100);
|
|
}
|
|
for (int chan = 0; chan < 8; chan++)
|
|
{
|
|
PCA.disableChannel(chan);
|
|
Serial.print("MASK:\t");
|
|
Serial.println(PCA.getChannelMask(), HEX);
|
|
delay(100);
|
|
}
|
|
Serial.println();
|
|
|
|
Serial.println("done...");
|
|
}
|
|
|
|
|
|
void loop()
|
|
{
|
|
}
|
|
|
|
|
|
// -- END OF FILE --
|
|
|