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161 lines
4.6 KiB
161 lines
4.6 KiB
/*
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ENCODER MODULE
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Copyright (C) 2018-2019 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#include "encoder.h"
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#if ENCODER_SUPPORT && (LIGHT_PROVIDER != LIGHT_PROVIDER_NONE)
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#include "light.h"
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#include "libs/Encoder.h"
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#include <vector>
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struct encoder_t {
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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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};
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std::vector<encoder_t> _encoders;
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unsigned long _encoder_min_delta = 1;
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void _encoderConfigure() {
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_encoder_min_delta = getSetting("encMinDelta", ENCODER_MINIMUM_DELTA);
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if (!_encoder_min_delta) _encoder_min_delta = 1;
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// no need to reload objects right now
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if (_encoders.size()) return;
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// Clean previous encoders and re-add them
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for (auto& encoder : _encoders) {
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delete encoder.encoder;
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}
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_encoders.clear();
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// TODO: encEnable
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// TODO: implement reloading without re-allocating objects
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#if (ENCODER1_PIN1 != GPIO_NONE) && (ENCODER1_PIN2 != GPIO_NONE)
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{
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_encoders.push_back({
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new Encoder(ENCODER1_PIN1, ENCODER1_PIN2),
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ENCODER1_BUTTON_PIN, ENCODER1_BUTTON_LOGIC, ENCODER1_BUTTON_MODE, ENCODER1_MODE,
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ENCODER1_CHANNEL1, ENCODER1_CHANNEL2
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});
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}
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#endif
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#if (ENCODER2_PIN1 != GPIO_NONE) && (ENCODER2_PIN2 != GPIO_NONE)
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{
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_encoders.push_back({
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new Encoder(ENCODER2_PIN1, ENCODER2_PIN2),
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ENCODER2_BUTTON_PIN, ENCODER2_BUTTON_LOGIC, ENCODER2_BUTTON_MODE, ENCODER2_MODE,
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ENCODER2_CHANNEL1, ENCODER2_CHANNEL2
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});
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}
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#endif
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#if (ENCODER3_PIN1 != GPIO_NONE) && (ENCODER3_PIN2 != GPIO_NONE)
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{
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_encoders.push_back({
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new Encoder(ENCODER3_PIN1, ENCODER3_PIN2),
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ENCODER3_BUTTON_PIN, ENCODER3_BUTTON_LOGIC, ENCODER3_BUTTON_MODE, ENCODER3_MODE,
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ENCODER3_CHANNEL1, ENCODER3_CHANNEL2
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});
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}
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#endif
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#if (ENCODER4_PIN1 != GPIO_NONE) && (ENCODER4_PIN2 != GPIO_NONE)
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{
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_encoders.push_back({
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new Encoder(ENCODER4_PIN1, ENCODER4_PIN2),
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ENCODER4_BUTTON_PIN, ENCODER4_BUTTON_LOGIC, ENCODER4_BUTTON_MODE, ENCODER4_MODE,
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ENCODER4_CHANNEL1, ENCODER4_CHANNEL2
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});
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}
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#endif
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#if (ENCODER5_PIN1 != GPIO_NONE) && (ENCODER5_PIN2 != GPIO_NONE)
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{
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_encoders.push_back({
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new Encoder(ENCODER5_PIN1, ENCODER5_PIN2),
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ENCODER5_BUTTON_PIN, ENCODER5_BUTTON_LOGIC, ENCODER5_BUTTON_MODE, ENCODER5_MODE,
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ENCODER5_CHANNEL1, ENCODER5_CHANNEL2
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});
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}
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#endif
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// TODO: manage buttons through debounceevent?
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for (auto& encoder : _encoders) {
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if (GPIO_NONE != encoder.button_pin) {
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pinMode(encoder.button_pin, encoder.button_mode);
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}
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}
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}
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void _encoderLoop() {
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// for each encoder, read delta (read()) and map button action
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for (auto& encoder : _encoders) {
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const auto delta = encoder.encoder->read();
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encoder.encoder->write(0);
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if ((0 == delta) || (_encoder_min_delta > abs(delta))) continue;
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if (encoder.button_pin == GPIO_NONE) {
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// if there is no button, the encoder drives CHANNEL1
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lightChannelStep(encoder.channel1, delta);
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} else {
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// otherwise, use button based on encoder mode
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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();
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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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DEBUG_MSG_P(PSTR("[ENCODER] Number of encoders: %u\n"), _encoders.size());
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}
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#endif // ENCODER_SUPPORT && (LIGHT_PROVIDER != LIGHT_PROVIDER_NONE)
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