92 lines
2 KiB
C++
92 lines
2 KiB
C++
#include <Arduino.h>
|
|
#include <Wire.h>
|
|
|
|
//General
|
|
const int bjtCount = 4;
|
|
const int btnPin[bjtCount] = {7, 8, 9, 10};
|
|
|
|
byte btnState[bjtCount];
|
|
byte lastBtnState[bjtCount] = {HIGH, HIGH, HIGH, HIGH};
|
|
|
|
unsigned long lastDebounceTime[bjtCount] = {0, 0, 0, 0};
|
|
unsigned long debounceDelay = 50;
|
|
|
|
//I2C
|
|
const int SLAVE_ADDR = 9;
|
|
|
|
//Rotary Encoder
|
|
const int encClkPin[1] = {6};
|
|
const int encDtPin[1] = {5};
|
|
|
|
void setup()
|
|
{
|
|
Serial.begin(9600);
|
|
Wire.begin();
|
|
|
|
for (int i = 0; i < bjtCount; i++)
|
|
{
|
|
pinMode(btnPin[i], INPUT_PULLUP);
|
|
pinMode(encClkPin[i], INPUT_PULLUP);
|
|
pinMode(encDtPin[i], INPUT_PULLUP);
|
|
}
|
|
}
|
|
|
|
void transmit(String data)
|
|
{
|
|
Wire.beginTransmission(SLAVE_ADDR);
|
|
Wire.write(data.c_str(), 2);
|
|
Serial.println(data.c_str());
|
|
Wire.endTransmission();
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
//Buttons
|
|
byte btnReading[bjtCount];
|
|
|
|
for (int i = 0; i < bjtCount; i++)
|
|
{
|
|
btnReading[i] = digitalRead(btnPin[i]);
|
|
|
|
if (btnReading[i] != lastBtnState[i])
|
|
{
|
|
lastDebounceTime[i] = millis();
|
|
}
|
|
|
|
if ((millis() - lastDebounceTime[i]) > debounceDelay)
|
|
{
|
|
if (btnReading[i] != btnState[i])
|
|
{
|
|
btnState[i] = btnReading[i];
|
|
|
|
if (btnState[i] == LOW)
|
|
{
|
|
transmit(String(i) + "t");
|
|
}
|
|
}
|
|
}
|
|
|
|
lastBtnState[i] = btnReading[i];
|
|
}
|
|
|
|
//Rotary Encoder
|
|
static uint16_t state[1] = {0};
|
|
|
|
//delayMicroseconds(100); // Simulate doing somehing else as well.
|
|
|
|
for (int i = 0; i < 1; i++)
|
|
{
|
|
state[i] = (state[i] << 1) | digitalRead(encClkPin[i]) | 0xe000;
|
|
|
|
if (state[i] == 0xf000)
|
|
{
|
|
state[i] = 0x0000;
|
|
if (digitalRead(encDtPin[i]))
|
|
//transmit(String(i) + "i");
|
|
transmit("2i");
|
|
else
|
|
//transmit(String(i) + "d");
|
|
transmit("2d");
|
|
}
|
|
}
|
|
}
|