542 lines
20 KiB
C++
542 lines
20 KiB
C++
/*
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* Usermod for detecting people entering/leaving a staircase and switching the
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* staircase on/off.
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*
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* Edit the Animated_Staircase_config.h file to compile this usermod for your
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* specific configuration.
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*
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* See the accompanying README.md file for more info.
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*/
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#pragma once
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#include "wled.h"
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class Animated_Staircase : public Usermod {
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private:
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/* configuration (available in API and stored in flash) */
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bool enabled = false; // Enable this usermod
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unsigned long segment_delay_ms = 150; // Time between switching each segment
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unsigned long on_time_ms = 30000; // The time for the light to stay on
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int8_t topPIRorTriggerPin = -1; // disabled
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int8_t bottomPIRorTriggerPin = -1; // disabled
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int8_t topEchoPin = -1; // disabled
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int8_t bottomEchoPin = -1; // disabled
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bool useUSSensorTop = false; // using PIR or UltraSound sensor?
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bool useUSSensorBottom = false; // using PIR or UltraSound sensor?
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unsigned int topMaxDist = 50; // default maximum measured distance in cm, top
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unsigned int bottomMaxDist = 50; // default maximum measured distance in cm, bottom
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/* runtime variables */
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bool initDone = false;
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// Time between checking of the sensors
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const unsigned int scanDelay = 100;
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// Lights on or off.
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// Flipping this will start a transition.
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bool on = false;
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// Swipe direction for current transition
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#define SWIPE_UP true
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#define SWIPE_DOWN false
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bool swipe = SWIPE_UP;
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// Indicates which Sensor was seen last (to determine
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// the direction when swiping off)
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#define LOWER false
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#define UPPER true
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bool lastSensor = LOWER;
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// Time of the last transition action
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unsigned long lastTime = 0;
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// Time of the last sensor check
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unsigned long lastScanTime = 0;
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// Last time the lights were switched on or off
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unsigned long lastSwitchTime = 0;
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// segment id between onIndex and offIndex are on.
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// controll the swipe by setting/moving these indices around.
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// onIndex must be less than or equal to offIndex
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byte onIndex = 0;
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byte offIndex = 0;
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// The maximum number of configured segments.
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// Dynamically updated based on user configuration.
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byte maxSegmentId = 1;
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byte mainSegmentId = 0;
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// These values are used by the API to read the
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// last sensor state, or trigger a sensor
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// through the API
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bool topSensorRead = false;
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bool topSensorWrite = false;
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bool bottomSensorRead = false;
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bool bottomSensorWrite = false;
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bool topSensorState = false;
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bool bottomSensorState = false;
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// strings to reduce flash memory usage (used more than twice)
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static const char _name[];
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static const char _enabled[];
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static const char _segmentDelay[];
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static const char _onTime[];
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static const char _useTopUltrasoundSensor[];
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static const char _topPIRorTrigger_pin[];
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static const char _topEcho_pin[];
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static const char _useBottomUltrasoundSensor[];
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static const char _bottomPIRorTrigger_pin[];
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static const char _bottomEcho_pin[];
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static const char _topEchoCm[];
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static const char _bottomEchoCm[];
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void publishMqtt(bool bottom, const char* state)
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{
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//Check if MQTT Connected, otherwise it will crash the 8266
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if (WLED_MQTT_CONNECTED){
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char subuf[64];
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sprintf_P(subuf, PSTR("%s/motion/%d"), mqttDeviceTopic, (int)bottom);
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mqtt->publish(subuf, 0, false, state);
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}
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}
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void updateSegments() {
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mainSegmentId = strip.getMainSegmentId();
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for (int i = 0; i < strip.getSegmentsNum(); i++) {
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Segment &seg = strip.getSegment(i);
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if (!seg.isActive()) {
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maxSegmentId = i - 1;
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break;
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}
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if (i >= onIndex && i < offIndex) {
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seg.setOption(SEG_OPTION_ON, true);
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// We may need to copy mode and colors from segment 0 to make sure
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// changes are propagated even when the config is changed during a wipe
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// segments->mode = mainsegment.mode;
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// segments->colors[0] = mainsegment.colors[0];
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} else {
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seg.setOption(SEG_OPTION_ON, false);
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}
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// Always mark segments as "transitional", we are animating the staircase
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seg.setOption(SEG_OPTION_TRANSITIONAL, true);
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}
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colorUpdated(CALL_MODE_DIRECT_CHANGE);
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}
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/*
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* Detects if an object is within ultrasound range.
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* signalPin: The pin where the pulse is sent
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* echoPin: The pin where the echo is received
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* maxTimeUs: Detection timeout in microseconds. If an echo is
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* received within this time, an object is detected
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* and the function will return true.
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*
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* The speed of sound is 343 meters per second at 20 degress Celcius.
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* Since the sound has to travel back and forth, the detection
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* distance for the sensor in cm is (0.0343 * maxTimeUs) / 2.
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*
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* For practical reasons, here are some useful distances:
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*
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* Distance = maxtime
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* 5 cm = 292 uS
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* 10 cm = 583 uS
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* 20 cm = 1166 uS
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* 30 cm = 1749 uS
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* 50 cm = 2915 uS
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* 100 cm = 5831 uS
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*/
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bool ultrasoundRead(int8_t signalPin, int8_t echoPin, unsigned int maxTimeUs) {
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if (signalPin<0 || echoPin<0) return false;
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digitalWrite(signalPin, LOW);
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delayMicroseconds(2);
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digitalWrite(signalPin, HIGH);
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delayMicroseconds(10);
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digitalWrite(signalPin, LOW);
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return pulseIn(echoPin, HIGH, maxTimeUs) > 0;
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}
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bool checkSensors() {
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bool sensorChanged = false;
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if ((millis() - lastScanTime) > scanDelay) {
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lastScanTime = millis();
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bottomSensorRead = bottomSensorWrite ||
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(!useUSSensorBottom ?
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(bottomPIRorTriggerPin<0 ? false : digitalRead(bottomPIRorTriggerPin)) :
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ultrasoundRead(bottomPIRorTriggerPin, bottomEchoPin, bottomMaxDist*59) // cm to us
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);
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topSensorRead = topSensorWrite ||
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(!useUSSensorTop ?
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(topPIRorTriggerPin<0 ? false : digitalRead(topPIRorTriggerPin)) :
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ultrasoundRead(topPIRorTriggerPin, topEchoPin, topMaxDist*59) // cm to us
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);
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if (bottomSensorRead != bottomSensorState) {
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bottomSensorState = bottomSensorRead; // change previous state
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sensorChanged = true;
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publishMqtt(true, bottomSensorState ? "on" : "off");
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DEBUG_PRINTLN(F("Bottom sensor changed."));
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}
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if (topSensorRead != topSensorState) {
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topSensorState = topSensorRead; // change previous state
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sensorChanged = true;
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publishMqtt(false, topSensorState ? "on" : "off");
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DEBUG_PRINTLN(F("Top sensor changed."));
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}
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// Values read, reset the flags for next API call
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topSensorWrite = false;
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bottomSensorWrite = false;
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if (topSensorRead != bottomSensorRead) {
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lastSwitchTime = millis();
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if (on) {
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lastSensor = topSensorRead;
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} else {
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// If the bottom sensor triggered, we need to swipe up, ON
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swipe = bottomSensorRead;
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DEBUG_PRINT(F("ON -> Swipe "));
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DEBUG_PRINTLN(swipe ? F("up.") : F("down."));
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if (onIndex == offIndex) {
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// Position the indices for a correct on-swipe
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if (swipe == SWIPE_UP) {
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onIndex = mainSegmentId;
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} else {
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onIndex = maxSegmentId+1;
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}
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offIndex = onIndex;
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}
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on = true;
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}
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}
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}
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return sensorChanged;
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}
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void autoPowerOff() {
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if (on && ((millis() - lastSwitchTime) > on_time_ms)) {
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// if sensors are still on, do nothing
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if (bottomSensorState || topSensorState) return;
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// Swipe OFF in the direction of the last sensor detection
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swipe = lastSensor;
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on = false;
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DEBUG_PRINT(F("OFF -> Swipe "));
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DEBUG_PRINTLN(swipe ? F("up.") : F("down."));
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}
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}
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void updateSwipe() {
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if ((millis() - lastTime) > segment_delay_ms) {
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lastTime = millis();
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if (on) {
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// Turn on all segments
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onIndex = MAX(mainSegmentId, onIndex - 1);
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offIndex = MIN(maxSegmentId + 1, offIndex + 1);
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} else {
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if (swipe == SWIPE_UP) {
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onIndex = MIN(offIndex, onIndex + 1);
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} else {
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offIndex = MAX(onIndex, offIndex - 1);
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}
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}
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updateSegments();
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}
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}
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// send sesnor values to JSON API
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void writeSensorsToJson(JsonObject& staircase) {
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staircase[F("top-sensor")] = topSensorRead;
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staircase[F("bottom-sensor")] = bottomSensorRead;
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}
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// allow overrides from JSON API
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void readSensorsFromJson(JsonObject& staircase) {
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bottomSensorWrite = bottomSensorState || (staircase[F("bottom-sensor")].as<bool>());
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topSensorWrite = topSensorState || (staircase[F("top-sensor")].as<bool>());
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}
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void enable(bool enable) {
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if (enable) {
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DEBUG_PRINTLN(F("Animated Staircase enabled."));
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DEBUG_PRINT(F("Delay between steps: "));
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DEBUG_PRINT(segment_delay_ms);
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DEBUG_PRINT(F(" milliseconds.\nStairs switch off after: "));
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DEBUG_PRINT(on_time_ms / 1000);
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DEBUG_PRINTLN(F(" seconds."));
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if (!useUSSensorBottom)
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pinMode(bottomPIRorTriggerPin, INPUT_PULLUP);
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else {
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pinMode(bottomPIRorTriggerPin, OUTPUT);
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pinMode(bottomEchoPin, INPUT);
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}
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if (!useUSSensorTop)
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pinMode(topPIRorTriggerPin, INPUT_PULLUP);
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else {
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pinMode(topPIRorTriggerPin, OUTPUT);
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pinMode(topEchoPin, INPUT);
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}
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} else {
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// Restore segment options
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for (int i = 0; i < strip.getSegmentsNum(); i++) {
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Segment &seg = strip.getSegment(i);
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if (!seg.isActive()) {
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maxSegmentId = i - 1;
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break;
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}
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seg.setOption(SEG_OPTION_ON, true);
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}
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colorUpdated(CALL_MODE_DIRECT_CHANGE);
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DEBUG_PRINTLN(F("Animated Staircase disabled."));
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}
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enabled = enable;
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}
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public:
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void setup() {
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// standardize invalid pin numbers to -1
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if (topPIRorTriggerPin < 0) topPIRorTriggerPin = -1;
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if (topEchoPin < 0) topEchoPin = -1;
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if (bottomPIRorTriggerPin < 0) bottomPIRorTriggerPin = -1;
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if (bottomEchoPin < 0) bottomEchoPin = -1;
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// allocate pins
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PinManagerPinType pins[4] = {
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{ topPIRorTriggerPin, useUSSensorTop },
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{ topEchoPin, false },
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{ bottomPIRorTriggerPin, useUSSensorBottom },
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{ bottomEchoPin, false },
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};
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// NOTE: this *WILL* return TRUE if all the pins are set to -1.
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// this is *BY DESIGN*.
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if (!pinManager.allocateMultiplePins(pins, 4, PinOwner::UM_AnimatedStaircase)) {
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topPIRorTriggerPin = -1;
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topEchoPin = -1;
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bottomPIRorTriggerPin = -1;
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bottomEchoPin = -1;
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enabled = false;
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}
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enable(enabled);
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initDone = true;
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}
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void loop() {
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if (!enabled || strip.isUpdating()) return;
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checkSensors();
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autoPowerOff();
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updateSwipe();
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}
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uint16_t getId() { return USERMOD_ID_ANIMATED_STAIRCASE; }
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/**
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* handling of MQTT message
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* topic only contains stripped topic (part after /wled/MAC)
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* topic should look like: /swipe with amessage of [up|down]
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*/
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bool onMqttMessage(char* topic, char* payload) {
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if (strlen(topic) == 6 && strncmp_P(topic, PSTR("/swipe"), 6) == 0) {
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String action = payload;
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if (action == "up") {
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bottomSensorWrite = true;
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return true;
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} else if (action == "down") {
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topSensorWrite = true;
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return true;
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} else if (action == "on") {
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enable(true);
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return true;
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} else if (action == "off") {
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enable(false);
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return true;
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}
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}
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return false;
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}
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/**
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* subscribe to MQTT topic for controlling usermod
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*/
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void onMqttConnect(bool sessionPresent) {
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//(re)subscribe to required topics
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char subuf[64];
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if (mqttDeviceTopic[0] != 0) {
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strcpy(subuf, mqttDeviceTopic);
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strcat_P(subuf, PSTR("/swipe"));
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mqtt->subscribe(subuf, 0);
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}
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}
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void addToJsonState(JsonObject& root) {
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JsonObject staircase = root[FPSTR(_name)];
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if (staircase.isNull()) {
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staircase = root.createNestedObject(FPSTR(_name));
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}
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writeSensorsToJson(staircase);
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DEBUG_PRINTLN(F("Staircase sensor state exposed in API."));
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}
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/*
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* Reads configuration settings from the json API.
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* See void addToJsonState(JsonObject& root)
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*/
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void readFromJsonState(JsonObject& root) {
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if (!initDone) return; // prevent crash on boot applyPreset()
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JsonObject staircase = root[FPSTR(_name)];
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if (!staircase.isNull()) {
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if (staircase[FPSTR(_enabled)].is<bool>()) {
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enabled = staircase[FPSTR(_enabled)].as<bool>();
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} else {
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String str = staircase[FPSTR(_enabled)]; // checkbox -> off or on
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enabled = (bool)(str!="off"); // off is guaranteed to be present
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}
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readSensorsFromJson(staircase);
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DEBUG_PRINTLN(F("Staircase sensor state read from API."));
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}
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}
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void appendConfigData() {
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//oappend(SET_F("dd=addDropdown('staircase','selectfield');"));
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//oappend(SET_F("addOption(dd,'1st value',0);"));
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//oappend(SET_F("addOption(dd,'2nd value',1);"));
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//oappend(SET_F("addInfo('staircase:selectfield',1,'additional info');")); // 0 is field type, 1 is actual field
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}
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/*
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* Writes the configuration to internal flash memory.
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*/
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void addToConfig(JsonObject& root) {
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JsonObject staircase = root[FPSTR(_name)];
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if (staircase.isNull()) {
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staircase = root.createNestedObject(FPSTR(_name));
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}
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staircase[FPSTR(_enabled)] = enabled;
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staircase[FPSTR(_segmentDelay)] = segment_delay_ms;
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staircase[FPSTR(_onTime)] = on_time_ms / 1000;
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staircase[FPSTR(_useTopUltrasoundSensor)] = useUSSensorTop;
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staircase[FPSTR(_topPIRorTrigger_pin)] = topPIRorTriggerPin;
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staircase[FPSTR(_topEcho_pin)] = useUSSensorTop ? topEchoPin : -1;
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staircase[FPSTR(_useBottomUltrasoundSensor)] = useUSSensorBottom;
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staircase[FPSTR(_bottomPIRorTrigger_pin)] = bottomPIRorTriggerPin;
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staircase[FPSTR(_bottomEcho_pin)] = useUSSensorBottom ? bottomEchoPin : -1;
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staircase[FPSTR(_topEchoCm)] = topMaxDist;
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staircase[FPSTR(_bottomEchoCm)] = bottomMaxDist;
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DEBUG_PRINTLN(F("Staircase config saved."));
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}
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/*
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* Reads the configuration to internal flash memory before setup() is called.
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*
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* The function should return true if configuration was successfully loaded or false if there was no configuration.
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*/
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bool readFromConfig(JsonObject& root) {
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bool oldUseUSSensorTop = useUSSensorTop;
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bool oldUseUSSensorBottom = useUSSensorBottom;
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int8_t oldTopAPin = topPIRorTriggerPin;
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int8_t oldTopBPin = topEchoPin;
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int8_t oldBottomAPin = bottomPIRorTriggerPin;
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int8_t oldBottomBPin = bottomEchoPin;
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JsonObject top = root[FPSTR(_name)];
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if (top.isNull()) {
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DEBUG_PRINT(FPSTR(_name));
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DEBUG_PRINTLN(F(": No config found. (Using defaults.)"));
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return false;
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}
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enabled = top[FPSTR(_enabled)] | enabled;
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segment_delay_ms = top[FPSTR(_segmentDelay)] | segment_delay_ms;
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segment_delay_ms = (unsigned long) min((unsigned long)10000,max((unsigned long)10,(unsigned long)segment_delay_ms)); // max delay 10s
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on_time_ms = top[FPSTR(_onTime)] | on_time_ms/1000;
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on_time_ms = min(900,max(10,(int)on_time_ms)) * 1000; // min 10s, max 15min
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useUSSensorTop = top[FPSTR(_useTopUltrasoundSensor)] | useUSSensorTop;
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topPIRorTriggerPin = top[FPSTR(_topPIRorTrigger_pin)] | topPIRorTriggerPin;
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topEchoPin = top[FPSTR(_topEcho_pin)] | topEchoPin;
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useUSSensorBottom = top[FPSTR(_useBottomUltrasoundSensor)] | useUSSensorBottom;
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bottomPIRorTriggerPin = top[FPSTR(_bottomPIRorTrigger_pin)] | bottomPIRorTriggerPin;
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bottomEchoPin = top[FPSTR(_bottomEcho_pin)] | bottomEchoPin;
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topMaxDist = top[FPSTR(_topEchoCm)] | topMaxDist;
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topMaxDist = min(150,max(30,(int)topMaxDist)); // max distnace ~1.5m (a lag of 9ms may be expected)
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bottomMaxDist = top[FPSTR(_bottomEchoCm)] | bottomMaxDist;
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bottomMaxDist = min(150,max(30,(int)bottomMaxDist)); // max distance ~1.5m (a lag of 9ms may be expected)
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DEBUG_PRINT(FPSTR(_name));
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if (!initDone) {
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// first run: reading from cfg.json
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DEBUG_PRINTLN(F(" config loaded."));
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} else {
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// changing parameters from settings page
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DEBUG_PRINTLN(F(" config (re)loaded."));
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bool changed = false;
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if ((oldUseUSSensorTop != useUSSensorTop) ||
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(oldUseUSSensorBottom != useUSSensorBottom) ||
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(oldTopAPin != topPIRorTriggerPin) ||
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(oldTopBPin != topEchoPin) ||
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|
(oldBottomAPin != bottomPIRorTriggerPin) ||
|
|
(oldBottomBPin != bottomEchoPin)) {
|
|
changed = true;
|
|
pinManager.deallocatePin(oldTopAPin, PinOwner::UM_AnimatedStaircase);
|
|
pinManager.deallocatePin(oldTopBPin, PinOwner::UM_AnimatedStaircase);
|
|
pinManager.deallocatePin(oldBottomAPin, PinOwner::UM_AnimatedStaircase);
|
|
pinManager.deallocatePin(oldBottomBPin, PinOwner::UM_AnimatedStaircase);
|
|
}
|
|
if (changed) setup();
|
|
}
|
|
// use "return !top["newestParameter"].isNull();" when updating Usermod with new features
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Shows the delay between steps and power-off time in the "info"
|
|
* tab of the web-UI.
|
|
*/
|
|
void addToJsonInfo(JsonObject& root) {
|
|
JsonObject user = root["u"];
|
|
if (user.isNull()) {
|
|
user = root.createNestedObject("u");
|
|
}
|
|
|
|
JsonArray infoArr = user.createNestedArray(FPSTR(_name)); // name
|
|
|
|
String uiDomString = F("<button class=\"btn btn-xs\" onclick=\"requestJson({");
|
|
uiDomString += FPSTR(_name);
|
|
uiDomString += F(":{");
|
|
uiDomString += FPSTR(_enabled);
|
|
uiDomString += enabled ? F(":false}});\">") : F(":true}});\">");
|
|
uiDomString += F("<i class=\"icons ");
|
|
uiDomString += enabled ? "on" : "off";
|
|
uiDomString += F("\"></i></button>");
|
|
infoArr.add(uiDomString);
|
|
}
|
|
};
|
|
|
|
// strings to reduce flash memory usage (used more than twice)
|
|
const char Animated_Staircase::_name[] PROGMEM = "staircase";
|
|
const char Animated_Staircase::_enabled[] PROGMEM = "enabled";
|
|
const char Animated_Staircase::_segmentDelay[] PROGMEM = "segment-delay-ms";
|
|
const char Animated_Staircase::_onTime[] PROGMEM = "on-time-s";
|
|
const char Animated_Staircase::_useTopUltrasoundSensor[] PROGMEM = "useTopUltrasoundSensor";
|
|
const char Animated_Staircase::_topPIRorTrigger_pin[] PROGMEM = "topPIRorTrigger_pin";
|
|
const char Animated_Staircase::_topEcho_pin[] PROGMEM = "topEcho_pin";
|
|
const char Animated_Staircase::_useBottomUltrasoundSensor[] PROGMEM = "useBottomUltrasoundSensor";
|
|
const char Animated_Staircase::_bottomPIRorTrigger_pin[] PROGMEM = "bottomPIRorTrigger_pin";
|
|
const char Animated_Staircase::_bottomEcho_pin[] PROGMEM = "bottomEcho_pin";
|
|
const char Animated_Staircase::_topEchoCm[] PROGMEM = "top-dist-cm";
|
|
const char Animated_Staircase::_bottomEchoCm[] PROGMEM = "bottom-dist-cm";
|