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@ -12,6 +12,7 @@ Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com> |
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#include <ArduinoJson.h>
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#include <vector>
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Ticker colorTicker; |
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typedef struct { |
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unsigned char pin; |
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bool reverse; |
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@ -19,8 +20,6 @@ typedef struct { |
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unsigned char shadow; |
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} channel_t; |
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std::vector<channel_t> _channels; |
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Ticker colorTicker; |
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bool _lightState = false; |
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unsigned int _brightness = LIGHT_MAX_BRIGHTNESS; |
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@ -65,34 +64,40 @@ void _fromRGB(const char * rgb) { |
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// if color begins with a # then assume HEX RGB
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if (p[0] == '#') { |
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if (!lightHasColor()) return; |
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++p; |
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unsigned long value = strtoul(p, NULL, 16); |
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if (lightHasColor()) { |
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++p; |
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unsigned long value = strtoul(p, NULL, 16); |
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// RGBA values are interpreted like RGB + brightness
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if (strlen(p) > 7) { |
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_channels[0].value = (value >> 24) & 0xFF; |
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_channels[1].value = (value >> 16) & 0xFF; |
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_channels[2].value = (value >> 8) & 0xFF; |
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_brightness = (value & 0xFF) * LIGHT_MAX_BRIGHTNESS / 255; |
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} else { |
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_channels[0].value = (value >> 16) & 0xFF; |
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_channels[1].value = (value >> 8) & 0xFF; |
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_channels[2].value = (value) & 0xFF; |
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} |
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// RGBA values are interpreted like RGB + brightness
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if (strlen(p) > 7) { |
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_channels[0].value = (value >> 24) & 0xFF; |
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_channels[1].value = (value >> 16) & 0xFF; |
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_channels[2].value = (value >> 8) & 0xFF; |
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_brightness = (value & 0xFF) * LIGHT_MAX_BRIGHTNESS / 255; |
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} else { |
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_channels[0].value = (value >> 16) & 0xFF; |
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_channels[1].value = (value >> 8) & 0xFF; |
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_channels[2].value = (value) & 0xFF; |
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} |
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// it's a temperature in mireds
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} else if (p[0] == 'M') { |
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unsigned long mireds = atol(p + 1); |
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_fromMireds(mireds); |
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if (lightHasColor()) { |
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unsigned long mireds = atol(p + 1); |
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_fromMireds(mireds); |
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} |
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// it's a temperature in kelvin
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} else if (p[0] == 'K') { |
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unsigned long kelvin = atol(p + 1); |
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_fromKelvin(kelvin); |
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if (lightHasColor()) { |
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unsigned long kelvin = atol(p + 1); |
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_fromKelvin(kelvin); |
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} |
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// otherwise assume decimal values separated by commas
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} else { |
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@ -109,7 +114,7 @@ void _fromRGB(const char * rgb) { |
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} |
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// RGB but less than 3 values received
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if (channels > 2 & count < 3) { |
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if (lightHasColor() && (count < 3)) { |
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_channels[1].value = _channels[0].value; |
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_channels[2].value = _channels[0].value; |
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} |
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@ -174,9 +179,9 @@ void _fromMireds(unsigned long mireds) { |
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_fromKelvin(kelvin); |
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} |
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unsigned int _toPWM(unsigned long value, bool gamma, bool reverse) { |
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unsigned int _toPWM(unsigned long value, bool bright, bool gamma, bool reverse) { |
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value = constrain(value, 0, LIGHT_MAX_VALUE); |
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value *= ((float) _brightness / LIGHT_MAX_BRIGHTNESS); |
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if (bright) value *= ((float) _brightness / LIGHT_MAX_BRIGHTNESS); |
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#if LIGHT_ENABLE_GAMMA
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unsigned int pwm = gamma ? gamma_table[value] : map(value, 0, LIGHT_MAX_VALUE, 0, LIGHT_MAX_PWM); |
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#else
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@ -189,12 +194,14 @@ unsigned int _toPWM(unsigned long value, bool gamma, bool reverse) { |
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// Returns a PWM valule for the given channel ID
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unsigned int _toPWM(unsigned char id) { |
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if (id < _channels.size()) { |
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bool isColor = (lightHasColor() && id < 3); |
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bool bright = isColor; |
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#if LIGHT_ENABLE_GAMMA
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bool gamma = (lightHasColor() && id < 3); |
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bool gamma = isColor; |
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#else
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bool gamma = false; |
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#endif
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return _toPWM(_channels[id].shadow, gamma, _channels[id].reverse); |
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return _toPWM(_channels[id].shadow, bright, gamma, _channels[id].reverse); |
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} |
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return 0; |
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} |
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@ -205,23 +212,27 @@ unsigned int _toPWM(unsigned char id) { |
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void _shadow() { |
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bool useWhite = getSetting("useWhite", LIGHT_USE_WHITE).toInt() == 1; |
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for (unsigned int i=0; i < _channels.size(); i++) { |
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_channels[i].shadow = _lightState ? _channels[i].value : 0; |
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} |
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if (_lightState && useWhite && _channels.size() > 3) { |
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if (_channels[0].shadow == _channels[1].shadow && _channels[1].shadow == _channels[2].shadow ) { |
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_channels[3].shadow = _channels[0].shadow; |
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_channels[2].shadow = 0; |
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_channels[1].shadow = 0; |
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_channels[0].shadow = 0; |
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if (lightHasColor()) { |
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bool useWhite = getSetting("useWhite", LIGHT_USE_WHITE).toInt() == 1; |
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if (_lightState && useWhite && _channels.size() > 3) { |
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if (_channels[0].shadow == _channels[1].shadow && _channels[1].shadow == _channels[2].shadow ) { |
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_channels[3].shadow = _channels[0].shadow; |
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_channels[2].shadow = 0; |
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_channels[1].shadow = 0; |
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_channels[0].shadow = 0; |
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} |
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} |
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} |
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} |
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} |
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void _lightProviderUpdate() { |
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_shadow(); |
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@ -286,10 +297,12 @@ void _lightMQTTCallback(unsigned int type, const char * topic, const char * payl |
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if (type == MQTT_CONNECT_EVENT) { |
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mqttSubscribe(MQTT_TOPIC_BRIGHTNESS); |
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mqttSubscribe(MQTT_TOPIC_MIRED); |
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mqttSubscribe(MQTT_TOPIC_KELVIN); |
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mqttSubscribe(MQTT_TOPIC_COLOR); |
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if (lightHasColor()) { |
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mqttSubscribe(MQTT_TOPIC_BRIGHTNESS); |
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mqttSubscribe(MQTT_TOPIC_MIRED); |
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mqttSubscribe(MQTT_TOPIC_KELVIN); |
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mqttSubscribe(MQTT_TOPIC_COLOR); |
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} |
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char buffer[strlen(MQTT_TOPIC_CHANNEL) + 3]; |
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sprintf(buffer, "%s/+", MQTT_TOPIC_CHANNEL); |
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@ -350,7 +363,11 @@ unsigned char lightChannels() { |
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} |
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bool lightHasColor() { |
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return _channels.size() > 2; |
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#if LIGHT_USE_COLOR
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return _channels.size() > 2; |
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#else
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return false; |
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#endif
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} |
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unsigned char lightWhiteChannels() { |
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@ -361,10 +378,16 @@ void lightMQTT() { |
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char buffer[8]; |
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// Color
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if (lightHasColor()) { |
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// Color
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_toRGB(buffer, 8, false); |
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mqttSend(MQTT_TOPIC_COLOR, buffer); |
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// Brightness
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sprintf(buffer, "%d", _brightness); |
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mqttSend(MQTT_TOPIC_BRIGHTNESS, buffer); |
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} |
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// Channels
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@ -373,19 +396,12 @@ void lightMQTT() { |
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mqttSend(MQTT_TOPIC_CHANNEL, i, buffer); |
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} |
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// Brightness
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sprintf(buffer, "%d", _brightness); |
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mqttSend(MQTT_TOPIC_BRIGHTNESS, buffer); |
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} |
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void lightUpdate(bool save, bool forward) { |
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_lightProviderUpdate(); |
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// Delay saving to EEPROM 5 seconds to avoid wearing it out unnecessarily
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if (save) colorTicker.once(LIGHT_SAVE_DELAY, _lightColorSave); |
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// Report color & brightness to MQTT broker
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if (forward) lightMQTT(); |
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@ -394,17 +410,22 @@ void lightUpdate(bool save, bool forward) { |
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DynamicJsonBuffer jsonBuffer; |
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JsonObject& root = jsonBuffer.createObject(); |
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root["colorVisible"] = 1; |
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root["color"] = lightColor(); |
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if (lightHasColor()) { |
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root["color"] = lightColor(); |
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root["brightness"] = lightBrightness(); |
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} |
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JsonArray& channels = root.createNestedArray("channels"); |
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for (unsigned char id=0; id < lightChannels(); id++) { |
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channels.add(lightChannel(id)); |
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} |
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root["brightness"] = lightBrightness(); |
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String output; |
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root.printTo(output); |
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wsSend(output.c_str()); |
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} |
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// Delay saving to EEPROM 5 seconds to avoid wearing it out unnecessarily
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if (save) colorTicker.once(LIGHT_SAVE_DELAY, _lightColorSave); |
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}; |
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void lightState(bool state) { |
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@ -453,7 +474,8 @@ void lightBrightness(unsigned int b) { |
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void _lightAPISetup() { |
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// API entry points (protected with apikey)
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if (_channels.size() > 2) { |
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if (lightHasColor()) { |
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apiRegister(MQTT_TOPIC_COLOR, MQTT_TOPIC_COLOR, |
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[](char * buffer, size_t len) { |
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_toRGB(buffer, len, false); |
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@ -463,33 +485,34 @@ void _lightAPISetup() { |
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lightUpdate(true, true); |
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} |
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); |
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} |
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apiRegister(MQTT_TOPIC_KELVIN, MQTT_TOPIC_KELVIN, |
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[](char * buffer, size_t len) {}, |
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[](const char * payload) { |
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_fromKelvin(atol(payload)); |
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lightUpdate(true, true); |
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} |
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); |
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apiRegister(MQTT_TOPIC_BRIGHTNESS, MQTT_TOPIC_BRIGHTNESS, |
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[](char * buffer, size_t len) { |
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snprintf(buffer, len, "%d", _brightness); |
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}, |
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[](const char * payload) { |
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lightBrightness(atoi(payload)); |
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lightUpdate(true, true); |
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} |
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); |
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apiRegister(MQTT_TOPIC_MIRED, MQTT_TOPIC_MIRED, |
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[](char * buffer, size_t len) {}, |
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[](const char * payload) { |
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_fromMireds(atol(payload)); |
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lightUpdate(true, true); |
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} |
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); |
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apiRegister(MQTT_TOPIC_BRIGHTNESS, MQTT_TOPIC_BRIGHTNESS, |
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[](char * buffer, size_t len) { |
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snprintf(buffer, len, "%d", _brightness); |
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}, |
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[](const char * payload) { |
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lightBrightness(atoi(payload)); |
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lightUpdate(true, true); |
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} |
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); |
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apiRegister(MQTT_TOPIC_KELVIN, MQTT_TOPIC_KELVIN, |
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[](char * buffer, size_t len) {}, |
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[](const char * payload) { |
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_fromKelvin(atol(payload)); |
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lightUpdate(true, true); |
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} |
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); |
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apiRegister(MQTT_TOPIC_MIRED, MQTT_TOPIC_MIRED, |
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[](char * buffer, size_t len) {}, |
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[](const char * payload) { |
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_fromMireds(atol(payload)); |
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lightUpdate(true, true); |
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} |
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); |
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} |
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for (unsigned int id=0; id<lightChannels(); id++) { |
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