WLED/wled00/button.cpp

397 wiersze
15 KiB
C++

#include "wled.h"
/*
* Physical IO
*/
#define WLED_DEBOUNCE_THRESHOLD 50 // only consider button input of at least 50ms as valid (debouncing)
#define WLED_LONG_PRESS 600 // long press if button is released after held for at least 600ms
#define WLED_DOUBLE_PRESS 350 // double press if another press within 350ms after a short press
#define WLED_LONG_REPEATED_ACTION 400 // how often a repeated action (e.g. dimming) is fired on long press on button IDs >0
#define WLED_LONG_AP 5000 // how long button 0 needs to be held to activate WLED-AP
#define WLED_LONG_FACTORY_RESET 10000 // how long button 0 needs to be held to trigger a factory reset
#define WLED_LONG_BRI_STEPS 16 // how much to increase/decrease the brightness with each long press repetition
static const char _mqtt_topic_button[] PROGMEM = "%s/button/%d"; // optimize flash usage
static bool buttonBriDirection = false; // true: increase brightness, false: decrease brightness
void shortPressAction(uint8_t b)
{
if (!macroButton[b]) {
switch (b) {
case 0: toggleOnOff(); stateUpdated(CALL_MODE_BUTTON); break;
case 1: ++effectCurrent %= strip.getModeCount(); stateChanged = true; colorUpdated(CALL_MODE_BUTTON); break;
}
} else {
applyPreset(macroButton[b], CALL_MODE_BUTTON_PRESET);
}
#ifndef WLED_DISABLE_MQTT
// publish MQTT message
if (buttonPublishMqtt && WLED_MQTT_CONNECTED) {
char subuf[64];
sprintf_P(subuf, _mqtt_topic_button, mqttDeviceTopic, (int)b);
mqtt->publish(subuf, 0, false, "short");
}
#endif
}
void longPressAction(uint8_t b)
{
if (!macroLongPress[b]) {
switch (b) {
case 0: setRandomColor(col); colorUpdated(CALL_MODE_BUTTON); break;
case 1:
if(buttonBriDirection) {
if (bri == 255) break; // avoid unnecessary updates to brightness
if (bri >= 255 - WLED_LONG_BRI_STEPS) bri = 255;
else bri += WLED_LONG_BRI_STEPS;
} else {
if (bri == 1) break; // avoid unnecessary updates to brightness
if (bri <= WLED_LONG_BRI_STEPS) bri = 1;
else bri -= WLED_LONG_BRI_STEPS;
}
stateUpdated(CALL_MODE_BUTTON);
buttonPressedTime[b] = millis();
break; // repeatable action
}
} else {
applyPreset(macroLongPress[b], CALL_MODE_BUTTON_PRESET);
}
#ifndef WLED_DISABLE_MQTT
// publish MQTT message
if (buttonPublishMqtt && WLED_MQTT_CONNECTED) {
char subuf[64];
sprintf_P(subuf, _mqtt_topic_button, mqttDeviceTopic, (int)b);
mqtt->publish(subuf, 0, false, "long");
}
#endif
}
void doublePressAction(uint8_t b)
{
if (!macroDoublePress[b]) {
switch (b) {
//case 0: toggleOnOff(); colorUpdated(CALL_MODE_BUTTON); break; //instant short press on button 0 if no macro set
case 1: ++effectPalette %= strip.getPaletteCount(); colorUpdated(CALL_MODE_BUTTON); break;
}
} else {
applyPreset(macroDoublePress[b], CALL_MODE_BUTTON_PRESET);
}
#ifndef WLED_DISABLE_MQTT
// publish MQTT message
if (buttonPublishMqtt && WLED_MQTT_CONNECTED) {
char subuf[64];
sprintf_P(subuf, _mqtt_topic_button, mqttDeviceTopic, (int)b);
mqtt->publish(subuf, 0, false, "double");
}
#endif
}
bool isButtonPressed(uint8_t i)
{
if (btnPin[i]<0) return false;
unsigned pin = btnPin[i];
switch (buttonType[i]) {
case BTN_TYPE_NONE:
case BTN_TYPE_RESERVED:
break;
case BTN_TYPE_PUSH:
case BTN_TYPE_SWITCH:
if (digitalRead(pin) == LOW) return true;
break;
case BTN_TYPE_PUSH_ACT_HIGH:
case BTN_TYPE_PIR_SENSOR:
if (digitalRead(pin) == HIGH) return true;
break;
case BTN_TYPE_TOUCH:
case BTN_TYPE_TOUCH_SWITCH:
#if defined(ARDUINO_ARCH_ESP32) && !defined(CONFIG_IDF_TARGET_ESP32C3)
#ifdef SOC_TOUCH_VERSION_2 //ESP32 S2 and S3 provide a function to check touch state (state is updated in interrupt)
if (touchInterruptGetLastStatus(pin)) return true;
#else
if (digitalPinToTouchChannel(btnPin[i]) >= 0 && touchRead(pin) <= touchThreshold) return true;
#endif
#endif
break;
}
return false;
}
void handleSwitch(uint8_t b)
{
// isButtonPressed() handles inverted/noninverted logic
if (buttonPressedBefore[b] != isButtonPressed(b)) {
DEBUG_PRINTF_P(PSTR("Switch: State changed %u\n"), b);
buttonPressedTime[b] = millis();
buttonPressedBefore[b] = !buttonPressedBefore[b];
}
if (buttonLongPressed[b] == buttonPressedBefore[b]) return;
if (millis() - buttonPressedTime[b] > WLED_DEBOUNCE_THRESHOLD) { //fire edge event only after 50ms without change (debounce)
DEBUG_PRINTF_P(PSTR("Switch: Activating %u\n"), b);
if (!buttonPressedBefore[b]) { // on -> off
DEBUG_PRINTF_P(PSTR("Switch: On -> Off (%u)\n"), b);
if (macroButton[b]) applyPreset(macroButton[b], CALL_MODE_BUTTON_PRESET);
else { //turn on
if (!bri) {toggleOnOff(); stateUpdated(CALL_MODE_BUTTON);}
}
} else { // off -> on
DEBUG_PRINTF_P(PSTR("Switch: Off -> On (%u)\n"), b);
if (macroLongPress[b]) applyPreset(macroLongPress[b], CALL_MODE_BUTTON_PRESET);
else { //turn off
if (bri) {toggleOnOff(); stateUpdated(CALL_MODE_BUTTON);}
}
}
#ifndef WLED_DISABLE_MQTT
// publish MQTT message
if (buttonPublishMqtt && WLED_MQTT_CONNECTED) {
char subuf[64];
if (buttonType[b] == BTN_TYPE_PIR_SENSOR) sprintf_P(subuf, PSTR("%s/motion/%d"), mqttDeviceTopic, (int)b);
else sprintf_P(subuf, _mqtt_topic_button, mqttDeviceTopic, (int)b);
mqtt->publish(subuf, 0, false, !buttonPressedBefore[b] ? "off" : "on");
}
#endif
buttonLongPressed[b] = buttonPressedBefore[b]; //save the last "long term" switch state
}
}
#define ANALOG_BTN_READ_CYCLE 250 // min time between two analog reading cycles
#define STRIP_WAIT_TIME 6 // max wait time in case of strip.isUpdating()
#define POT_SMOOTHING 0.25f // smoothing factor for raw potentiometer readings
#define POT_SENSITIVITY 4 // changes below this amount are noise (POT scratching, or ADC noise)
void handleAnalog(uint8_t b)
{
static uint8_t oldRead[WLED_MAX_BUTTONS] = {0};
static float filteredReading[WLED_MAX_BUTTONS] = {0.0f};
unsigned rawReading; // raw value from analogRead, scaled to 12bit
DEBUG_PRINTF_P(PSTR("Analog: Reading button %u\n"), b);
#ifdef ESP8266
rawReading = analogRead(A0) << 2; // convert 10bit read to 12bit
#else
if ((btnPin[b] < 0) /*|| (digitalPinToAnalogChannel(btnPin[b]) < 0)*/) return; // pin must support analog ADC - newer esp32 frameworks throw lots of warnings otherwise
rawReading = analogRead(btnPin[b]); // collect at full 12bit resolution
#endif
yield(); // keep WiFi task running - analog read may take several millis on ESP8266
filteredReading[b] += POT_SMOOTHING * ((float(rawReading) / 16.0f) - filteredReading[b]); // filter raw input, and scale to [0..255]
unsigned aRead = max(min(int(filteredReading[b]), 255), 0); // squash into 8bit
if(aRead <= POT_SENSITIVITY) aRead = 0; // make sure that 0 and 255 are used
if(aRead >= 255-POT_SENSITIVITY) aRead = 255;
if (buttonType[b] == BTN_TYPE_ANALOG_INVERTED) aRead = 255 - aRead;
// remove noise & reduce frequency of UI updates
if (abs(int(aRead) - int(oldRead[b])) <= POT_SENSITIVITY) return; // no significant change in reading
DEBUG_PRINTF_P(PSTR("Analog: Raw = %u\n"), rawReading);
DEBUG_PRINTF_P(PSTR(" Filtered = %u\n"), aRead);
// Unomment the next lines if you still see flickering related to potentiometer
// This waits until strip finishes updating (why: strip was not updating at the start of handleButton() but may have started during analogRead()?)
//unsigned long wait_started = millis();
//while(strip.isUpdating() && (millis() - wait_started < STRIP_WAIT_TIME)) {
// delay(1);
//}
oldRead[b] = aRead;
// if no macro for "short press" and "long press" is defined use brightness control
if (!macroButton[b] && !macroLongPress[b]) {
DEBUG_PRINTF_P(PSTR("Analog: Action = %u\n"), macroDoublePress[b]);
// if "double press" macro defines which option to change
if (macroDoublePress[b] >= 250) {
// global brightness
if (aRead == 0) {
briLast = bri;
bri = 0;
} else {
bri = aRead;
}
} else if (macroDoublePress[b] == 249) {
// effect speed
effectSpeed = aRead;
} else if (macroDoublePress[b] == 248) {
// effect intensity
effectIntensity = aRead;
} else if (macroDoublePress[b] == 247) {
// selected palette
effectPalette = map(aRead, 0, 252, 0, strip.getPaletteCount()-1);
effectPalette = constrain(effectPalette, 0, strip.getPaletteCount()-1); // map is allowed to "overshoot", so we need to contrain the result
} else if (macroDoublePress[b] == 200) {
// primary color, hue, full saturation
colorHStoRGB(aRead*256,255,col);
} else {
// otherwise use "double press" for segment selection
Segment& seg = strip.getSegment(macroDoublePress[b]);
if (aRead == 0) {
seg.setOption(SEG_OPTION_ON, false); // off (use transition)
} else {
seg.setOpacity(aRead);
seg.setOption(SEG_OPTION_ON, true); // on (use transition)
}
// this will notify clients of update (websockets,mqtt,etc)
updateInterfaces(CALL_MODE_BUTTON);
}
} else {
DEBUG_PRINTLN(F("Analog: No action"));
//TODO:
// we can either trigger a preset depending on the level (between short and long entries)
// or use it for RGBW direct control
}
colorUpdated(CALL_MODE_BUTTON);
}
void handleButton()
{
static unsigned long lastAnalogRead = 0UL;
static unsigned long lastRun = 0UL;
unsigned long now = millis();
if (strip.isUpdating() && (now - lastRun < ANALOG_BTN_READ_CYCLE+1)) return; // don't interfere with strip update (unless strip is updating continuously, e.g. very long strips)
lastRun = now;
for (unsigned b=0; b<WLED_MAX_BUTTONS; b++) {
#ifdef ESP8266
if ((btnPin[b]<0 && !(buttonType[b] == BTN_TYPE_ANALOG || buttonType[b] == BTN_TYPE_ANALOG_INVERTED)) || buttonType[b] == BTN_TYPE_NONE) continue;
#else
if (btnPin[b]<0 || buttonType[b] == BTN_TYPE_NONE) continue;
#endif
if (usermods.handleButton(b)) continue; // did usermod handle buttons
if (buttonType[b] == BTN_TYPE_ANALOG || buttonType[b] == BTN_TYPE_ANALOG_INVERTED) { // button is not a button but a potentiometer
if (now - lastAnalogRead > ANALOG_BTN_READ_CYCLE) {
handleAnalog(b);
}
continue;
}
// button is not momentary, but switch. This is only suitable on pins whose on-boot state does not matter (NOT gpio0)
if (buttonType[b] == BTN_TYPE_SWITCH || buttonType[b] == BTN_TYPE_TOUCH_SWITCH || buttonType[b] == BTN_TYPE_PIR_SENSOR) {
handleSwitch(b);
continue;
}
// momentary button logic
if (isButtonPressed(b)) { // pressed
// if all macros are the same, fire action immediately on rising edge
if (macroButton[b] && macroButton[b] == macroLongPress[b] && macroButton[b] == macroDoublePress[b]) {
if (!buttonPressedBefore[b])
shortPressAction(b);
buttonPressedBefore[b] = true;
buttonPressedTime[b] = now; // continually update (for debouncing to work in release handler)
continue;
}
if (!buttonPressedBefore[b]) buttonPressedTime[b] = now;
buttonPressedBefore[b] = true;
if (now - buttonPressedTime[b] > WLED_LONG_PRESS) { //long press
if (!buttonLongPressed[b]) {
buttonBriDirection = !buttonBriDirection; //toggle brightness direction on long press
longPressAction(b);
} else if (b) { //repeatable action (~5 times per s) on button > 0
longPressAction(b);
buttonPressedTime[b] = now - WLED_LONG_REPEATED_ACTION; //200ms
}
buttonLongPressed[b] = true;
}
} else if (buttonPressedBefore[b]) { //released
long dur = now - buttonPressedTime[b];
// released after rising-edge short press action
if (macroButton[b] && macroButton[b] == macroLongPress[b] && macroButton[b] == macroDoublePress[b]) {
if (dur > WLED_DEBOUNCE_THRESHOLD) buttonPressedBefore[b] = false; // debounce, blocks button for 50 ms once it has been released
continue;
}
if (dur < WLED_DEBOUNCE_THRESHOLD) {buttonPressedBefore[b] = false; continue;} // too short "press", debounce
bool doublePress = buttonWaitTime[b]; //did we have a short press before?
buttonWaitTime[b] = 0;
if (b == 0 && dur > WLED_LONG_AP) { // long press on button 0 (when released)
if (dur > WLED_LONG_FACTORY_RESET) { // factory reset if pressed > 10 seconds
WLED_FS.format();
#ifdef WLED_ADD_EEPROM_SUPPORT
clearEEPROM();
#endif
doReboot = true;
} else {
WLED::instance().initAP(true);
}
} else if (!buttonLongPressed[b]) { //short press
//NOTE: this interferes with double click handling in usermods so usermod needs to implement full button handling
if (b != 1 && !macroDoublePress[b]) { //don't wait for double press on buttons without a default action if no double press macro set
shortPressAction(b);
} else { //double press if less than 350 ms between current press and previous short press release (buttonWaitTime!=0)
if (doublePress) {
doublePressAction(b);
} else {
buttonWaitTime[b] = now;
}
}
}
buttonPressedBefore[b] = false;
buttonLongPressed[b] = false;
}
//if 350ms elapsed since last short press release it is a short press
if (buttonWaitTime[b] && now - buttonWaitTime[b] > WLED_DOUBLE_PRESS && !buttonPressedBefore[b]) {
buttonWaitTime[b] = 0;
shortPressAction(b);
}
}
if (now - lastAnalogRead > ANALOG_BTN_READ_CYCLE) {
lastAnalogRead = now;
}
}
// handleIO() happens *after* handleTransitions() (see wled.cpp) which may change bri/briT but *before* strip.service()
// where actual LED painting occurrs
// this is important for relay control and in the event of turning off on-board LED
void handleIO()
{
handleButton();
// if we want to control on-board LED (ESP8266) or relay we have to do it here as the final show() may not happen until
// next loop() cycle
if (strip.getBrightness()) {
lastOnTime = millis();
if (offMode) {
BusManager::on();
if (rlyPin>=0) {
pinMode(rlyPin, rlyOpenDrain ? OUTPUT_OPEN_DRAIN : OUTPUT);
digitalWrite(rlyPin, rlyMde);
}
offMode = false;
}
} else if (millis() - lastOnTime > 600 && !strip.needsUpdate()) {
// for turning LED or relay off we need to wait until strip no longer needs updates (strip.trigger())
if (!offMode) {
BusManager::off();
if (rlyPin>=0) {
pinMode(rlyPin, rlyOpenDrain ? OUTPUT_OPEN_DRAIN : OUTPUT);
digitalWrite(rlyPin, !rlyMde);
}
offMode = true;
}
}
}
void IRAM_ATTR touchButtonISR()
{
// used for ESP32 S2 and S3: nothing to do, ISR is just used to update registers of HAL driver
}