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50 lines
801 B
C++
50 lines
801 B
C++
//
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// FILE: MCP23008_digitalRead.ino
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// AUTHOR: Rob Tillaart
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// DATE: 2019-10-14
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// PUPROSE: test MCP23008 library
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#include "MCP23008.h"
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#include "Wire.h"
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MCP23008 MCP(0x27);
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void setup()
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{
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Serial.begin(230400);
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Serial.print("MCP23008_test version: ");
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Serial.println(MCP23008_LIB_VERSION);
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Wire.begin();
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MCP.begin();
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Serial.print("Connect: ");
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Serial.println(MCP.isConnected());
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// all at once.
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// MCP.pinMode8(0xFF);
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// set individual pins
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for (int pin = 0; pin < 8; pin++)
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{
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MCP.pinMode(pin, INPUT);
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}
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Serial.println("TEST digitalRead(pin)");
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}
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void loop()
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{
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for (int pin = 0; pin < 8; pin++)
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{
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int val = MCP.digitalRead(pin);
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Serial.print(val);
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Serial.print('\t');
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}
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Serial.println();
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delay(1000);
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}
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// -- END OF FILE --
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