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232 lines
6.3 KiB
232 lines
6.3 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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Ticker colorTicker;
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bool _lightState = false;
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unsigned int _lightColor[3] = {0};
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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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#endif
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// -----------------------------------------------------------------------------
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// UTILS
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// -----------------------------------------------------------------------------
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void color_string2array(const char * rgb, unsigned int * array) {
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char * p = (char *) rgb;
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if (strlen(p) == 0) return;
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// if color begins with a # then assume HEX RGB
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if (p[0] == '#') {
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++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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// otherwise assume decimal values separated by commas
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} else {
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char * tok;
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tok = strtok(p, ",");
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array[0] = atoi(tok);
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tok = strtok(NULL, ",");
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// if there are more than one value assume R,G,B
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if (tok != NULL) {
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array[1] = atoi(tok);
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tok = strtok(NULL, ",");
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if (tok != NULL) {
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array[2] = atoi(tok);
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} else {
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array[2] = 0;
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}
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// only one value set red, green and blue to the same value
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} else {
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array[2] = array[1] = array[0];
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}
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}
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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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// PROVIDER
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// -----------------------------------------------------------------------------
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void _lightProviderSet(bool state, unsigned int red, unsigned int green, unsigned int blue) {
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unsigned int white = 0;
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#if (LIGHT_PROVIDER == LIGHT_PROVIDER_MY9192) || (LIGHT_PROVIDER == LIGHT_PROVIDER_RGBW)
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// If all set to the same value use white instead
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if ((red == green) && (green == blue)) {
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white = red;
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red = green = blue = 0;
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}
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#endif
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#if LIGHT_PROVIDER == LIGHT_PROVIDER_MY9192
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_my9291->setState(state);
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_my9291->setColor((my9291_color_t) { red, green, blue, white });
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#endif
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#if (LIGHT_PROVIDER == LIGHT_PROVIDER_RGB) || (LIGHT_PROVIDER == LIGHT_PROVIDER_RGBW)
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// Check state
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if (!state) red = green = blue = white = 0;
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if (RGBW_INVERSE_LOGIC) {
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analogWrite(RGBW_RED_PIN, red);
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analogWrite(RGBW_GREEN_PIN, green);
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analogWrite(RGBW_BLUE_PIN, blue);
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#if (LIGHT_PROVIDER == LIGHT_PROVIDER_RGBW)
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analogWrite(RGBW_WHITE_PIN, white);
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#endif
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} else {
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analogWrite(RGBW_RED_PIN, 255 - red);
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analogWrite(RGBW_GREEN_PIN, 255 - green);
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analogWrite(RGBW_BLUE_PIN, 255 - blue);
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#if (LIGHT_PROVIDER == LIGHT_PROVIDER_RGBW)
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analogWrite(RGBW_WHITE_PIN, 255 - white);
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#endif
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}
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#endif
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}
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// -----------------------------------------------------------------------------
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// LIGHT MANAGEMENT
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// -----------------------------------------------------------------------------
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void lightState(bool state) {
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_lightState = state;
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_lightProviderSet(_lightState, _lightColor[0], _lightColor[1], _lightColor[2]);
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}
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bool lightState() {
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return _lightState;
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}
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void lightColor(const char * color, bool save, bool forward) {
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color_string2array(color, _lightColor);
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_lightProviderSet(_lightState, _lightColor[0], _lightColor[1], _lightColor[2]);
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char rgb[8];
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color_array2rgb(_lightColor, rgb);
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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 to MQTT broker
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if (forward) mqttSend(MQTT_TOPIC_COLOR, 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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String lightColor() {
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char rgb[8];
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color_array2rgb(_lightColor, rgb);
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return String(rgb);
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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 _lightColorRestore() {
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String color = getSetting("color", LIGHT_DEFAULT_COLOR);
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color_string2array(color.c_str(), _lightColor);
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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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if (type == MQTT_CONNECT_EVENT) {
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mqttSubscribe(MQTT_TOPIC_COLOR);
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}
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if (type == MQTT_MESSAGE_EVENT) {
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// Match topic
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String t = mqttSubtopic((char *) topic);
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if (!t.equals(MQTT_TOPIC_COLOR)) return;
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lightColor(payload, true, mqttForward());
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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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#if (LIGHT_PROVIDER == LIGHT_PROVIDER_RGB) || (LIGHT_PROVIDER == LIGHT_PROVIDER_RGBW)
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analogWriteRange(255);
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analogWriteFreq(1000);
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pinMode(RGBW_RED_PIN, OUTPUT);
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pinMode(RGBW_GREEN_PIN, OUTPUT);
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pinMode(RGBW_BLUE_PIN, OUTPUT);
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#if LIGHT_PROVIDER == LIGHT_PROVIDER_RGBW
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pinMode(RGBW_WHITE_PIN, OUTPUT);
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#endif
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#endif
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_lightColorRestore();
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// API entry points (protected with apikey)
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apiRegister(MQTT_TOPIC_COLOR, MQTT_TOPIC_COLOR,
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[](char * buffer, size_t len) {
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snprintf(buffer, len, "%s", lightColor().c_str());
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},
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[](const char * payload) {
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lightColor(payload, true, mqttForward());
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}
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);
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mqttRegister(lightMQTTCallback);
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}
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#endif // LIGHT_PROVIDER != LIGHT_PROVIDER_NONE
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