/*
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ENCODER MODULE
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Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#if ENCODER_SUPPORT && (LIGHT_PROVIDER != LIGHT_PROVIDER_NONE)
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#include <Encoder.h>
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#include <vector>
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typedef struct {
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Encoder * encoder;
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unsigned char button_pin;
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unsigned char button_logic;
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unsigned char button_mode;
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unsigned char mode;
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unsigned char channel1; // default
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unsigned char channel2; // only if button defined and pressed
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} encoder_t;
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std::vector<encoder_t> _encoders;
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void _encoderConfigure() {
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// Clean previous encoders
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for (unsigned char i=0; i<_encoders.size(); i++) {
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free(_encoders[i].encoder);
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}
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_encoders.clear();
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unsigned char index = 0;
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while (index < MAX_COMPONENTS) {
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unsigned char pin1 = getSetting("enc1stGPIO", index, GPIO_NONE).toInt();
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unsigned char pin2 = getSetting("enc2ndGPIO", index, GPIO_NONE).toInt();
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if (GPIO_NONE == pin1 || GPIO_NONE == pin2) break;
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unsigned char button_pin = getSetting("encBtnGPIO", index, GPIO_NONE).toInt();
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unsigned char button_logic = getSetting("encBtnLogic", index, GPIO_LOGIC_INVERSE).toInt();
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unsigned char button_mode = getSetting("encBtnMode", index, INPUT_PULLUP).toInt();
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unsigned char mode = getSetting("encMode", index, ENCODER_MODE_RATIO).toInt();
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unsigned char channel1 = getSetting("enc1stCh", index, 0).toInt();
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unsigned char channel2 = getSetting("enc2ndCh", index, 1).toInt();
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_encoders.push_back({
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new Encoder(pin1, pin2),
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button_pin, button_logic, button_mode,
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mode,
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channel1, channel2
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});
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if (GPIO_NONE != button_pin) {
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pinMode(button_pin, button_mode);
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}
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++index;
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}
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DEBUG_MSG_P(PSTR("[ENCODER] Encoders: %u\n"), _encoders.size());
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}
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void _encoderLoop() {
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// for each encoder
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for (unsigned char i=0; i<_encoders.size(); i++) {
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// get encoder
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encoder_t encoder = _encoders[i];
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// read encoder
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long delta = encoder.encoder->read();
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encoder.encoder->write(0);
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if (0 == delta) continue;
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DEBUG_MSG_P(PSTR("[ENCODER] Delta: %d\n"), delta);
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// action
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if (encoder.button_pin == GPIO_NONE) {
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// if there is no button, the encoder driver the CHANNEL1
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lightChannelStep(encoder.channel1, delta);
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} else {
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// check if button is pressed
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bool pressed = (digitalRead(encoder.button_pin) != encoder.button_logic);
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if (ENCODER_MODE_CHANNEL == encoder.mode) {
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// the button controls what channel we are changing
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lightChannelStep(pressed ? encoder.channel2 : encoder.channel1, delta);
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} if (ENCODER_MODE_RATIO == encoder.mode) {
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// the button controls if we are changing the channel ratio or the overall brightness
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if (pressed) {
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lightChannelStep(encoder.channel1, delta);
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lightChannelStep(encoder.channel2, -delta);
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} else {
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lightBrightnessStep(delta);
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}
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}
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}
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lightUpdate(true, true);
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}
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}
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// -----------------------------------------------------------------------------
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void encoderSetup() {
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// Configure encoders
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_encoderConfigure();
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// Main callbacks
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espurnaRegisterLoop(_encoderLoop);
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espurnaRegisterReload(_encoderConfigure);
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}
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#endif // ENCODER_SUPPORT && (LIGHT_PROVIDER != LIGHT_PROVIDER_NONE)
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