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188 lines
4.8 KiB
188 lines
4.8 KiB
/*
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LIGHT MODULE
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Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#if LIGHT_PROVIDER != LIGHT_PROVIDER_NONE
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#include <Ticker.h>
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#if LIGHT_PROVIDER == LIGHT_PROVIDER_MY9192
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#include <my9291.h>
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my9291 * _my9291;
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Ticker colorTicker;
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bool _mqttSkipColor = false;
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#endif
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// -----------------------------------------------------------------------------
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// UTILS
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// -----------------------------------------------------------------------------
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void color_rgb2array(const char * rgb, unsigned int * array) {
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char * p = (char *) rgb;
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if (p[0] == '#') ++p;
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unsigned long value = strtol(p, NULL, 16);
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array[0] = (value >> 16) & 0xFF;
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array[1] = (value >> 8) & 0xFF;
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array[2] = (value) & 0xFF;
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}
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void color_array2rgb(unsigned int * array, char * rgb) {
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unsigned long value = array[0];
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value = (value << 8) + array[1];
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value = (value << 8) + array[2];
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sprintf(rgb, "#%06X", value);
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}
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// -----------------------------------------------------------------------------
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// LIGHT MANAGEMENT
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// -----------------------------------------------------------------------------
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void lightColor(const char * rgb, bool save) {
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#if LIGHT_PROVIDER == LIGHT_PROVIDER_MY9192
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unsigned int array[4] = {0};
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color_rgb2array(rgb, array);
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// If all set to the same value use white instead
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if ((array[0] == array[1]) && (array[1] == array[2])) {
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array[3] = array[0];
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array[0] = array[1] = array[2] = 0;
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}
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// Set new color (if light is open it will automatically change)
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_my9291->setColor((my9291_color_t) { array[0], array[1], array[2], array[3] });
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#endif
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// Delay saving to EEPROM 5 seconds to avoid wearing it out unnecessarily
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if (save) {
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colorTicker.once(LIGHT_SAVE_DELAY, lightColorSave);
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}
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// Report color to MQTT broker
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_mqttSkipColor = true;
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mqttSend(MQTT_COLOR_TOPIC, rgb);
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// Report color to WS clients
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char message[20];
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sprintf(message, "{\"color\": \"%s\"}", rgb);
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wsSend(message);
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}
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void lightColor(const char * rgb) {
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lightColor(rgb, true);
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}
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String lightColor() {
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String response;
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#if LIGHT_PROVIDER == LIGHT_PROVIDER_MY9192
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my9291_color_t color = _my9291->getColor();
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unsigned int array[3];
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if (color.white > 0) {
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array[0] = array[1] = array[2] = color.white;
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} else {
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array[0] = color.red;
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array[1] = color.green;
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array[2] = color.blue;
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}
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char rgb[8];
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color_array2rgb(array, rgb);
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response = String(rgb);
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#endif
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return response;
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}
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void lightState(bool state) {
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#if LIGHT_PROVIDER == LIGHT_PROVIDER_MY9192
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_my9291->setState(state);
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#endif
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}
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bool lightState() {
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bool response = false;
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#if LIGHT_PROVIDER == LIGHT_PROVIDER_MY9192
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response = _my9291->getState();
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#endif
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return response;
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}
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// -----------------------------------------------------------------------------
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// PERSISTANCE
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// -----------------------------------------------------------------------------
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void lightColorSave() {
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setSetting("color", lightColor());
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saveSettings();
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}
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void lightColorRetrieve() {
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lightColor(getSetting("color", LIGHT_DEFAULT_COLOR).c_str(), false);
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}
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// -----------------------------------------------------------------------------
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// MQTT
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// -----------------------------------------------------------------------------
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void lightMQTTCallback(unsigned int type, const char * topic, const char * payload) {
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String mqttSetter = getSetting("mqttSetter", MQTT_USE_SETTER);
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String mqttGetter = getSetting("mqttGetter", MQTT_USE_GETTER);
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bool sameSetGet = mqttGetter.compareTo(mqttSetter) == 0;
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if (type == MQTT_CONNECT_EVENT) {
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char buffer[strlen(MQTT_COLOR_TOPIC) + mqttSetter.length() + 20];
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sprintf(buffer, "%s%s", MQTT_COLOR_TOPIC, mqttSetter.c_str());
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mqttSubscribe(buffer);
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}
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if (type == MQTT_MESSAGE_EVENT) {
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// Match topic
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char * t = mqttSubtopic((char *) topic);
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int len = mqttSetter.length();
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if (strncmp(t + strlen(t) - len, mqttSetter.c_str(), len) != 0) return;
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if (strncmp(t, MQTT_COLOR_TOPIC, strlen(MQTT_COLOR_TOPIC)) == 0) {
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if (_mqttSkipColor) {
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_mqttSkipColor = false;
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} else {
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lightColor(payload, true);
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}
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return;
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}
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}
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}
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// -----------------------------------------------------------------------------
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// SETUP
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// -----------------------------------------------------------------------------
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void lightSetup() {
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#if LIGHT_PROVIDER == LIGHT_PROVIDER_MY9192
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_my9291 = new my9291(MY9291_DI_PIN, MY9291_DCKI_PIN, MY9291_COMMAND);
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#endif
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lightColorRetrieve();
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mqttRegister(lightMQTTCallback);
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}
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#endif // LIGHT_PROVIDER != LIGHT_PROVIDER_NONE
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