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refactor interface + update readme.md
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examples/rotaryDecoder_demo_RE_IO/rotaryDecoder_demo_RE_IO.ino
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// | ||
// FILE: rotaryDecoder_demo_RE_IO.ino | ||
// AUTHOR: Rob Tillaart | ||
// DATE: 2024-02-13 | ||
// PURPOSE: demo | ||
// URL: https://github.com/RobTillaart/rotaryDecoder | ||
// | ||
// example configuration | ||
// connect one rotary encoders | ||
// connect multiple switches | ||
// connect one line to the other end of the switches to enable them | ||
// connect a buzzer | ||
// | ||
// RotaryEncoder PCF8574 UNO | ||
// -------------------------------------- | ||
// pin A pin 0 | ||
// pin B pin 1 | ||
// switch pin 2 | ||
// switch pin 3 | ||
// switch pin 4 | ||
// enable line pin 5 | ||
// buzzer pin 6 | ||
// switch pin 7 | ||
// | ||
// SDA A4 | ||
// SCL A5 | ||
// | ||
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#include "rotaryDecoder.h" | ||
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rotaryDecoder decoder(0x39); // 0x39 = 57 | ||
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void setup() | ||
{ | ||
Serial.begin(115200); | ||
Serial.println(__FILE__); | ||
Serial.print("ROTARY_DECODER_LIB_VERSION:\t"); | ||
Serial.println(ROTARY_DECODER_LIB_VERSION); | ||
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Wire.begin(); | ||
Wire.setClock(100000); | ||
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// only one rotary encoder | ||
decoder.begin(1); | ||
decoder.readInitialState(); | ||
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// other lines are switches (INPUT) | ||
decoder.write1(2, LOW); | ||
decoder.write1(3, LOW); | ||
decoder.write1(4, LOW); | ||
decoder.write1(7, LOW); | ||
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// enable/disable switches | ||
// HIGH == switches enabled | ||
decoder.write1(5, HIGH); | ||
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// line 6 == buzzer | ||
decoder.write1(6, LOW); | ||
} | ||
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void loop() | ||
{ | ||
// if one of the lines is updated, print them. | ||
if (decoder.update()) | ||
{ | ||
Serial.print("\t"); | ||
Serial.print(decoder.getValue(0)); | ||
Serial.print("\t"); | ||
Serial.print(decoder.read1(2)); | ||
Serial.print("\t"); | ||
Serial.print(decoder.read1(3)); | ||
Serial.print("\t"); | ||
Serial.print(decoder.read1(4)); | ||
Serial.print("\t"); | ||
Serial.print(decoder.read1(5)); | ||
Serial.print("\t"); | ||
Serial.print(decoder.read1(6)); | ||
Serial.print("\t"); | ||
Serial.print(decoder.read1(7)); | ||
Serial.println(); | ||
} | ||
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// other tasks... | ||
} | ||
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// -- END OF FILE -- |
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