338 lines
12 KiB
C++
338 lines
12 KiB
C++
#include "wled.h"
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/*
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* Physical IO
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*/
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#define WLED_DEBOUNCE_THRESHOLD 50 // only consider button input of at least 50ms as valid (debouncing)
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#define WLED_LONG_PRESS 600 // long press if button is released after held for at least 600ms
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#define WLED_DOUBLE_PRESS 350 // double press if another press within 350ms after a short press
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#define WLED_LONG_REPEATED_ACTION 300 // how often a repeated action (e.g. dimming) is fired on long press on button IDs >0
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#define WLED_LONG_AP 5000 // how long button 0 needs to be held to activate WLED-AP
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#define WLED_LONG_FACTORY_RESET 10000 // how long button 0 needs to be held to trigger a factory reset
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static const char _mqtt_topic_button[] PROGMEM = "%s/button/%d"; // optimize flash usage
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void shortPressAction(uint8_t b)
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{
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if (!macroButton[b]) {
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switch (b) {
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case 0: toggleOnOff(); stateUpdated(CALL_MODE_BUTTON); break;
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case 1: ++effectCurrent %= strip.getModeCount(); stateChanged = true; colorUpdated(CALL_MODE_BUTTON); break;
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}
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} else {
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applyPreset(macroButton[b], CALL_MODE_BUTTON_PRESET);
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}
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// publish MQTT message
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if (buttonPublishMqtt && WLED_MQTT_CONNECTED) {
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char subuf[64];
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sprintf_P(subuf, _mqtt_topic_button, mqttDeviceTopic, (int)b);
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mqtt->publish(subuf, 0, false, "short");
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}
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}
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void longPressAction(uint8_t b)
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{
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if (!macroLongPress[b]) {
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switch (b) {
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case 0: setRandomColor(col); colorUpdated(CALL_MODE_BUTTON); break;
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case 1: bri += 8; stateUpdated(CALL_MODE_BUTTON); buttonPressedTime[b] = millis(); break; // repeatable action
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}
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} else {
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applyPreset(macroLongPress[b], CALL_MODE_BUTTON_PRESET);
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}
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// publish MQTT message
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if (buttonPublishMqtt && WLED_MQTT_CONNECTED) {
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char subuf[64];
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sprintf_P(subuf, _mqtt_topic_button, mqttDeviceTopic, (int)b);
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mqtt->publish(subuf, 0, false, "long");
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}
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}
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void doublePressAction(uint8_t b)
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{
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if (!macroDoublePress[b]) {
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switch (b) {
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//case 0: toggleOnOff(); colorUpdated(CALL_MODE_BUTTON); break; //instant short press on button 0 if no macro set
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case 1: ++effectPalette %= strip.getPaletteCount(); colorUpdated(CALL_MODE_BUTTON); break;
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}
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} else {
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applyPreset(macroDoublePress[b], CALL_MODE_BUTTON_PRESET);
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}
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// publish MQTT message
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if (buttonPublishMqtt && WLED_MQTT_CONNECTED) {
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char subuf[64];
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sprintf_P(subuf, _mqtt_topic_button, mqttDeviceTopic, (int)b);
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mqtt->publish(subuf, 0, false, "double");
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}
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}
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bool isButtonPressed(uint8_t i)
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{
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if (btnPin[i]<0) return false;
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uint8_t pin = btnPin[i];
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switch (buttonType[i]) {
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case BTN_TYPE_NONE:
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case BTN_TYPE_RESERVED:
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break;
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case BTN_TYPE_PUSH:
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case BTN_TYPE_SWITCH:
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if (digitalRead(pin) == LOW) return true;
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break;
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case BTN_TYPE_PUSH_ACT_HIGH:
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case BTN_TYPE_PIR_SENSOR:
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if (digitalRead(pin) == HIGH) return true;
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break;
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case BTN_TYPE_TOUCH:
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#if defined(ARDUINO_ARCH_ESP32) && !defined(CONFIG_IDF_TARGET_ESP32C3)
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if (touchRead(pin) <= touchThreshold) return true;
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#endif
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break;
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}
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return false;
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}
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void handleSwitch(uint8_t b)
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{
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// isButtonPressed() handles inverted/noninverted logic
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if (buttonPressedBefore[b] != isButtonPressed(b)) {
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buttonPressedTime[b] = millis();
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buttonPressedBefore[b] = !buttonPressedBefore[b];
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}
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if (buttonLongPressed[b] == buttonPressedBefore[b]) return;
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if (millis() - buttonPressedTime[b] > WLED_DEBOUNCE_THRESHOLD) { //fire edge event only after 50ms without change (debounce)
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if (!buttonPressedBefore[b]) { // on -> off
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if (macroButton[b]) applyPreset(macroButton[b], CALL_MODE_BUTTON_PRESET);
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else { //turn on
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if (!bri) {toggleOnOff(); stateUpdated(CALL_MODE_BUTTON);}
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}
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} else { // off -> on
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if (macroLongPress[b]) applyPreset(macroLongPress[b], CALL_MODE_BUTTON_PRESET);
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else { //turn off
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if (bri) {toggleOnOff(); stateUpdated(CALL_MODE_BUTTON);}
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}
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}
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// publish MQTT message
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if (buttonPublishMqtt && WLED_MQTT_CONNECTED) {
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char subuf[64];
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if (buttonType[b] == BTN_TYPE_PIR_SENSOR) sprintf_P(subuf, PSTR("%s/motion/%d"), mqttDeviceTopic, (int)b);
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else sprintf_P(subuf, _mqtt_topic_button, mqttDeviceTopic, (int)b);
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mqtt->publish(subuf, 0, false, !buttonPressedBefore[b] ? "off" : "on");
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}
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buttonLongPressed[b] = buttonPressedBefore[b]; //save the last "long term" switch state
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}
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}
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#define ANALOG_BTN_READ_CYCLE 250 // min time between two analog reading cycles
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#define STRIP_WAIT_TIME 6 // max wait time in case of strip.isUpdating()
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#define POT_SMOOTHING 0.25f // smoothing factor for raw potentiometer readings
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#define POT_SENSITIVITY 4 // changes below this amount are noise (POT scratching, or ADC noise)
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void handleAnalog(uint8_t b)
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{
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static uint8_t oldRead[WLED_MAX_BUTTONS] = {0};
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static float filteredReading[WLED_MAX_BUTTONS] = {0.0f};
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uint16_t rawReading; // raw value from analogRead, scaled to 12bit
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#ifdef ESP8266
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rawReading = analogRead(A0) << 2; // convert 10bit read to 12bit
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#else
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rawReading = analogRead(btnPin[b]); // collect at full 12bit resolution
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#endif
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yield(); // keep WiFi task running - analog read may take several millis on ESP8266
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filteredReading[b] += POT_SMOOTHING * ((float(rawReading) / 16.0f) - filteredReading[b]); // filter raw input, and scale to [0..255]
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uint16_t aRead = max(min(int(filteredReading[b]), 255), 0); // squash into 8bit
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if(aRead <= POT_SENSITIVITY) aRead = 0; // make sure that 0 and 255 are used
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if(aRead >= 255-POT_SENSITIVITY) aRead = 255;
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if (buttonType[b] == BTN_TYPE_ANALOG_INVERTED) aRead = 255 - aRead;
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// remove noise & reduce frequency of UI updates
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if (abs(int(aRead) - int(oldRead[b])) <= POT_SENSITIVITY) return; // no significant change in reading
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// Unomment the next lines if you still see flickering related to potentiometer
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// This waits until strip finishes updating (why: strip was not updating at the start of handleButton() but may have started during analogRead()?)
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//unsigned long wait_started = millis();
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//while(strip.isUpdating() && (millis() - wait_started < STRIP_WAIT_TIME)) {
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// delay(1);
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//}
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//if (strip.isUpdating()) return; // give up
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oldRead[b] = aRead;
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// if no macro for "short press" and "long press" is defined use brightness control
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if (!macroButton[b] && !macroLongPress[b]) {
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// if "double press" macro defines which option to change
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if (macroDoublePress[b] >= 250) {
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// global brightness
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if (aRead == 0) {
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briLast = bri;
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bri = 0;
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} else{
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bri = aRead;
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}
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} else if (macroDoublePress[b] == 249) {
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// effect speed
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effectSpeed = aRead;
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} else if (macroDoublePress[b] == 248) {
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// effect intensity
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effectIntensity = aRead;
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} else if (macroDoublePress[b] == 247) {
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// selected palette
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effectPalette = map(aRead, 0, 252, 0, strip.getPaletteCount()-1);
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effectPalette = constrain(effectPalette, 0, strip.getPaletteCount()-1); // map is allowed to "overshoot", so we need to contrain the result
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} else if (macroDoublePress[b] == 200) {
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// primary color, hue, full saturation
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colorHStoRGB(aRead*256,255,col);
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} else {
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// otherwise use "double press" for segment selection
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Segment& seg = strip.getSegment(macroDoublePress[b]);
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if (aRead == 0) {
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seg.on = false; // off
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} else {
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seg.setOpacity(aRead);
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seg.on = true;
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}
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// this will notify clients of update (websockets,mqtt,etc)
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updateInterfaces(CALL_MODE_BUTTON);
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}
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} else {
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//TODO:
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// we can either trigger a preset depending on the level (between short and long entries)
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// or use it for RGBW direct control
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}
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colorUpdated(CALL_MODE_BUTTON);
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}
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void handleButton()
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{
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static unsigned long lastRead = 0UL;
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static unsigned long lastRun = 0UL;
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bool analog = false;
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unsigned long now = millis();
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//if (strip.isUpdating()) return; // don't interfere with strip updates. Our button will still be there in 1ms (next cycle)
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if (strip.isUpdating() && (millis() - lastRun < 400)) return; // be niced, but avoid button starvation
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lastRun = millis();
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for (uint8_t b=0; b<WLED_MAX_BUTTONS; b++) {
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#ifdef ESP8266
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if ((btnPin[b]<0 && !(buttonType[b] == BTN_TYPE_ANALOG || buttonType[b] == BTN_TYPE_ANALOG_INVERTED)) || buttonType[b] == BTN_TYPE_NONE) continue;
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#else
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if (btnPin[b]<0 || buttonType[b] == BTN_TYPE_NONE) continue;
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#endif
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if (usermods.handleButton(b)) continue; // did usermod handle buttons
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if ((buttonType[b] == BTN_TYPE_ANALOG || buttonType[b] == BTN_TYPE_ANALOG_INVERTED) && now - lastRead > ANALOG_BTN_READ_CYCLE) { // button is not a button but a potentiometer
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analog = true;
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handleAnalog(b); continue;
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}
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//button is not momentary, but switch. This is only suitable on pins whose on-boot state does not matter (NOT gpio0)
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if (buttonType[b] == BTN_TYPE_SWITCH || buttonType[b] == BTN_TYPE_PIR_SENSOR) {
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handleSwitch(b); continue;
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}
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//momentary button logic
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if (isButtonPressed(b)) { //pressed
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if (!buttonPressedBefore[b]) buttonPressedTime[b] = now;
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buttonPressedBefore[b] = true;
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if (now - buttonPressedTime[b] > WLED_LONG_PRESS) { //long press
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if (!buttonLongPressed[b]) longPressAction(b);
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else if (b) { //repeatable action (~3 times per s) on button > 0
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longPressAction(b);
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buttonPressedTime[b] = now - WLED_LONG_REPEATED_ACTION; //333ms
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}
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buttonLongPressed[b] = true;
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}
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} else if (!isButtonPressed(b) && buttonPressedBefore[b]) { //released
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long dur = now - buttonPressedTime[b];
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if (dur < WLED_DEBOUNCE_THRESHOLD) {buttonPressedBefore[b] = false; continue;} //too short "press", debounce
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bool doublePress = buttonWaitTime[b]; //did we have a short press before?
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buttonWaitTime[b] = 0;
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if (b == 0 && dur > WLED_LONG_AP) { // long press on button 0 (when released)
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if (dur > WLED_LONG_FACTORY_RESET) { // factory reset if pressed > 10 seconds
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WLED_FS.format();
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#ifdef WLED_ADD_EEPROM_SUPPORT
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clearEEPROM();
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#endif
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doReboot = true;
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} else {
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WLED::instance().initAP(true);
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}
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} else if (!buttonLongPressed[b]) { //short press
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//NOTE: this interferes with double click handling in usermods so usermod needs to implement full button handling
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if (b != 1 && !macroDoublePress[b]) { //don't wait for double press on buttons without a default action if no double press macro set
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shortPressAction(b);
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} else { //double press if less than 350 ms between current press and previous short press release (buttonWaitTime!=0)
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if (doublePress) {
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doublePressAction(b);
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} else {
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buttonWaitTime[b] = now;
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}
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}
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}
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buttonPressedBefore[b] = false;
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buttonLongPressed[b] = false;
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}
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//if 350ms elapsed since last short press release it is a short press
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if (buttonWaitTime[b] && now - buttonWaitTime[b] > WLED_DOUBLE_PRESS && !buttonPressedBefore[b]) {
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buttonWaitTime[b] = 0;
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shortPressAction(b);
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}
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}
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if (analog) lastRead = now;
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}
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void handleIO()
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{
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handleButton();
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//set relay when LEDs turn on
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if (strip.getBrightness())
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{
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lastOnTime = millis();
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if (offMode)
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{
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if (rlyPin>=0) {
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pinMode(rlyPin, OUTPUT);
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digitalWrite(rlyPin, rlyMde);
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}
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offMode = false;
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}
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} else if (millis() - lastOnTime > 600)
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{
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if (!offMode) {
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#ifdef ESP8266
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// turn off built-in LED if strip is turned off
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// this will break digital bus so will need to be reinitialised on On
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PinOwner ledPinOwner = pinManager.getPinOwner(LED_BUILTIN);
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if (!strip.isOffRefreshRequired() && (ledPinOwner == PinOwner::None || ledPinOwner == PinOwner::BusDigital)) {
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, HIGH);
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}
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#endif
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if (rlyPin>=0) {
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pinMode(rlyPin, OUTPUT);
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digitalWrite(rlyPin, !rlyMde);
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}
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}
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offMode = true;
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}
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} |