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mhsw-espurna/code/espurna/light.ino

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/*
LIGHT MODULE
Copyright (C) 2016-2018 by Xose Pérez <xose dot perez at gmail dot com>
*/
#if LIGHT_PROVIDER != LIGHT_PROVIDER_NONE
#include <Ticker.h>
#include <ArduinoJson.h>
#include <vector>
#if LIGHT_PROVIDER == LIGHT_PROVIDER_DIMMER
#define PWM_CHANNEL_NUM_MAX LIGHT_CHANNELS
extern "C" {
#include "libs/pwm.h"
}
#endif
// -----------------------------------------------------------------------------
Ticker _light_save_ticker;
Ticker _light_transition_ticker;
typedef struct {
unsigned char pin;
bool reverse;
bool state;
unsigned char value; // target or nominal value
unsigned char original; // original value before RGBW calculation
bool useOriginal; // determine if it should use the original or value variable
unsigned char shadow; // represented value
double current; // transition value
} channel_t;
std::vector<channel_t> _light_channel;
bool _light_state = false;
bool _light_use_transitions = false;
bool _light_has_color = false;
bool _light_use_white = false;
bool _light_use_gamma = false;
unsigned long _light_steps_left = 1;
unsigned int _light_brightness = LIGHT_MAX_BRIGHTNESS;
#if LIGHT_PROVIDER == LIGHT_PROVIDER_MY92XX
#include <my92xx.h>
my92xx * _my92xx;
ARRAYINIT(unsigned char, _light_channel_map, MY92XX_MAPPING);
#endif
// Gamma Correction lookup table (8 bit)
// TODO: move to PROGMEM
const unsigned char _light_gamma_table[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6,
6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 11, 11, 11,
12, 12, 13, 13, 14, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19,
19, 20, 20, 21, 22, 22, 23, 23, 24, 25, 25, 26, 26, 27, 28, 28,
29, 30, 30, 31, 32, 33, 33, 34, 35, 35, 36, 37, 38, 39, 39, 40,
41, 42, 43, 43, 44, 45, 46, 47, 48, 49, 50, 50, 51, 52, 53, 54,
55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 71,
72, 73, 74, 75, 76, 77, 78, 80, 81, 82, 83, 84, 86, 87, 88, 89,
91, 92, 93, 94, 96, 97, 98, 100, 101, 102, 104, 105, 106, 108, 109, 110,
112, 113, 115, 116, 118, 119, 121, 122, 123, 125, 126, 128, 130, 131, 133, 134,
136, 137, 139, 140, 142, 144, 145, 147, 149, 150, 152, 154, 155, 157, 159, 160,
162, 164, 166, 167, 169, 171, 173, 175, 176, 178, 180, 182, 184, 186, 187, 189,
191, 193, 195, 197, 199, 201, 203, 205, 207, 209, 211, 213, 215, 217, 219, 221,
223, 225, 227, 229, 231, 233, 235, 238, 240, 242, 244, 246, 248, 251, 253, 255
};
// -----------------------------------------------------------------------------
// UTILS
// -----------------------------------------------------------------------------
// Returns the "correct" value for each channel
unsigned char _getChannel(char i) {
if (_light_channel[i].useOriginal) {
// Reset value when user disable the white channel without rebooting:
if (!_light_use_white) {
_light_channel[i].value = _light_channel[i].original;
_light_channel[i].useOriginal = false;
_light_channel[i].original = 0;
return _light_channel[i].value;
}
return _light_channel[i].original;
}
return _light_channel[i].value;
}
void _setWhite() {
if (!_light_use_white) return;
unsigned int white, max_in, max_out;
double factor = 0;
white = std::min(_light_channel[0].value, std::min(_light_channel[1].value, _light_channel[2].value));
max_in = std::max(_light_channel[0].value, std::max(_light_channel[1].value, _light_channel[2].value));
for (unsigned int i=0; i < 3; i++) {
_light_channel[i].useOriginal = true;
_light_channel[i].original = _light_channel[i].value;
_light_channel[i].value -= white;
}
_light_channel[3].value = white;
max_out = std::max(std::max(_light_channel[0].value, _light_channel[1].value), std::max(_light_channel[2].value, _light_channel[3].value));
if (max_out > 0) {
factor = (double) (max_in / max_out);
}
for (unsigned int i=0; i < 4; i++) {
_light_channel[i].value = round(_light_channel[i].value * factor);;
}
}
void _fromLong(unsigned long value, bool brightness) {
if (brightness) {
_light_channel[0].value = (value >> 24) & 0xFF;
_light_channel[1].value = (value >> 16) & 0xFF;
_light_channel[2].value = (value >> 8) & 0xFF;
_light_brightness = (value & 0xFF) * LIGHT_MAX_BRIGHTNESS / 255;
} else {
_light_channel[0].value = (value >> 16) & 0xFF;
_light_channel[1].value = (value >> 8) & 0xFF;
_light_channel[2].value = (value) & 0xFF;
}
}
void _fromRGB(const char * rgb) {
char * p = (char *) rgb;
if (strlen(p) == 0) return;
switch (p[0]) {
case '#': // HEX Value
if (_light_has_color) {
++p;
unsigned long value = strtoul(p, NULL, 16);
// RGBA values are interpreted like RGB + brightness
_fromLong(value, strlen(p) > 7);
_setWhite();
}
break;
case 'M': // Mired Value
if (_light_has_color) {
unsigned long mireds = atol(p + 1);
_fromMireds(mireds);
//_setWhite();
}
break;
case 'K': // Kelvin Value
if (_light_has_color) {
unsigned long kelvin = atol(p + 1);
_fromKelvin(kelvin);
//_setWhite();
}
break;
default: // assume decimal values separated by commas
char * tok;
unsigned char count = 0;
unsigned char channels = _light_channel.size();
tok = strtok(p, ",");
while (tok != NULL) {
_light_channel[count].value = atoi(tok);
if (++count == channels) break;
tok = strtok(NULL, ",");
}
// RGB but less than 3 values received
if (_light_has_color && (count < 3)) {
_light_channel[1].value = _light_channel[0].value;
_light_channel[2].value = _light_channel[0].value;
}
_setWhite();
break;
}
}
void _toRGB(char * rgb, size_t len, bool applyBrightness) {
if (!_light_has_color) return;
float b = applyBrightness ? (float) _light_brightness / LIGHT_MAX_BRIGHTNESS : 1;
unsigned long value = 0;
value += _getChannel(0) * b;
value <<= 8;
value += _getChannel(1) * b;
value <<= 8;
value += _getChannel(2) * b;
snprintf_P(rgb, len, PSTR("#%06X"), value);
}
void _toRGB(char * rgb, size_t len) {
_toRGB(rgb, len, false);
}
// HSV string is expected to be "H,S,V", where:
// 0 <= H <= 360
// 0 <= S <= 100
// 0 <= V <= 100
void _fromHSV(const char * hsv) {
char * ptr = (char *) hsv;
if (strlen(ptr) == 0) return;
if (!_light_has_color) return;
char * tok;
unsigned char count = 0;
unsigned int value[3] = {0};
tok = strtok(ptr, ",");
while (tok != NULL) {
value[count] = atoi(tok);
if (++count == 3) break;
tok = strtok(NULL, ",");
}
if (count != 3) return;
// HSV to RGB transformation -----------------------------------------------
double h = (value[0] == 360) ? 0 : (double) value[0] / 60.0;
double f = (h - floor(h));
double s = (double) value[1] / 100.0;
unsigned char v = round((double) value[2] * 255.0 / 100.0);
unsigned char p = round(v * (1.0 - s));
unsigned char q = round(v * (1.0 - s * f));
unsigned char t = round(v * (1.0 - s * (1.0 - f)));
switch (int(h)) {
case 0:
_light_channel[0].value = v;
_light_channel[1].value = t;
_light_channel[2].value = p;
break;
case 1:
_light_channel[0].value = q;
_light_channel[1].value = v;
_light_channel[2].value = p;
break;
case 2:
_light_channel[0].value = p;
_light_channel[1].value = v;
_light_channel[2].value = t;
break;
case 3:
_light_channel[0].value = p;
_light_channel[1].value = q;
_light_channel[2].value = v;
break;
case 4:
_light_channel[0].value = t;
_light_channel[1].value = p;
_light_channel[2].value = v;
break;
case 5:
_light_channel[0].value = v;
_light_channel[1].value = p;
_light_channel[2].value = q;
break;
default:
_light_channel[0].value = 0;
_light_channel[1].value = 0;
_light_channel[2].value = 0;
break;
}
_setWhite();
_light_brightness = LIGHT_MAX_BRIGHTNESS;
}
void _toHSV(char * hsv, size_t len) {
if (!_light_has_color) return;
double min, max;
double h, s, v;
double r = (double) _getChannel(0) / 255.0;
double g = (double) _getChannel(1) / 255.0;
double b = (double) _getChannel(2) / 255.0;
min = (r < g) ? r : g;
min = (min < b) ? min : b;
max = (r > g) ? r : g;
max = (max > b) ? max : b;
v = 100.0 * max;
if (v == 0) {
h = s = 0;
} else {
s = 100.0 * (max - min) / max;
if (s == 0) {
h = 0;
} else {
if (max == r) {
if (g >= b) {
h = 0.0 + 60.0 * (g - b) / (max - min);
} else {
h = 360.0 + 60.0 * (g - b) / (max - min);
}
} else if (max == g) {
h = 120.0 + 60.0 * (b - r) / (max - min);
} else {
h = 240.0 + 60.0 * (r - g) / (max - min);
}
}
}
// String
snprintf_P(hsv, len, PSTR("%d,%d,%d"), round(h), round(s), round(v));
}
void _toLong(char * color, size_t len, bool applyBrightness) {
if (!_light_has_color) return;
float b = applyBrightness ? (float) _light_brightness / LIGHT_MAX_BRIGHTNESS : 1;
snprintf_P(color, len, PSTR("%d,%d,%d"),
(int) (_getChannel(0) * b),
(int) (_getChannel(1) * b),
(int) (_getChannel(2) * b)
);
}
void _toLong(char * color, size_t len) {
_toLong(color, len, false);
}
void _toCSV(char * buffer, size_t len, bool applyBrightness) {
char num[10];
float b = applyBrightness ? (float) _light_brightness / LIGHT_MAX_BRIGHTNESS : 1;
for (unsigned char i=0; i<_light_channel.size(); i++) {
itoa(_light_channel[i].value * b, num, 10);
if (i>0) strncat(buffer, ",", len--);
strncat(buffer, num, len);
len = len - strlen(num);
}
}
// Thanks to Sacha Telgenhof for sharing this code in his AiLight library
// https://github.com/stelgenhof/AiLight
void _fromKelvin(unsigned long kelvin) {
// Check we have RGB channels
if (!_light_has_color) return;
// Calculate colors
unsigned int red = (kelvin <= 66)
? LIGHT_MAX_VALUE
: 329.698727446 * pow((kelvin - 60), -0.1332047592);
unsigned int green = (kelvin <= 66)
? 99.4708025861 * log(kelvin) - 161.1195681661
: 288.1221695283 * pow(kelvin, -0.0755148492);
unsigned int blue = (kelvin >= 66)
? LIGHT_MAX_VALUE
: ((kelvin <= 19)
? 0
: 138.5177312231 * log(kelvin - 10) - 305.0447927307);
// Save values
_light_channel[0].value = constrain(red, 0, LIGHT_MAX_VALUE);
_light_channel[1].value = constrain(green, 0, LIGHT_MAX_VALUE);
_light_channel[2].value = constrain(blue, 0, LIGHT_MAX_VALUE);
}
// Color temperature is measured in mireds (kelvin = 1e6/mired)
void _fromMireds(unsigned long mireds) {
if (mireds == 0) mireds = 1;
unsigned long kelvin = constrain(1000000UL / mireds, 1000, 40000) / 100;
_fromKelvin(kelvin);
}
// -----------------------------------------------------------------------------
// PROVIDER
// -----------------------------------------------------------------------------
unsigned int _toPWM(unsigned long value, bool gamma, bool reverse) {
value = constrain(value, 0, LIGHT_MAX_VALUE);
if (gamma) value = _light_gamma_table[value];
if (LIGHT_MAX_VALUE != LIGHT_LIMIT_PWM) value = map(value, 0, LIGHT_MAX_VALUE, 0, LIGHT_LIMIT_PWM);
if (reverse) value = LIGHT_LIMIT_PWM - value;
return value;
}
// Returns a PWM value for the given channel ID
unsigned int _toPWM(unsigned char id) {
bool useGamma = _light_use_gamma && _light_has_color && (id < 3);
return _toPWM(_light_channel[id].shadow, useGamma, _light_channel[id].reverse);
}
void _shadow() {
// Update transition ticker
_light_steps_left--;
if (_light_steps_left == 0) _light_transition_ticker.detach();
// Update 4 Channels if RGBW else 3
char channels = _light_use_white ? 4 : 3;
// Transitions
unsigned char target;
for (unsigned int i=0; i < _light_channel.size(); i++) {
if (_light_state && _light_channel[i].state) {
target = _light_channel[i].value;
if ((_light_brightness < LIGHT_MAX_BRIGHTNESS) && _light_has_color && (i < channels)) {
target *= ((float) _light_brightness / LIGHT_MAX_BRIGHTNESS);
}
} else {
target = 0;
}
if (_light_steps_left == 0) {
_light_channel[i].current = target;
} else {
double difference = (double) (target - _light_channel[i].current) / (_light_steps_left + 1);
_light_channel[i].current = _light_channel[i].current + difference;
}
_light_channel[i].shadow = _light_channel[i].current;
}
}
void _lightProviderUpdate() {
_shadow();
#if LIGHT_PROVIDER == LIGHT_PROVIDER_MY92XX
for (unsigned char i=0; i<_light_channel.size(); i++) {
_my92xx->setChannel(_light_channel_map[i], _toPWM(i));
}
_my92xx->setState(true);
_my92xx->update();
#endif
#if LIGHT_PROVIDER == LIGHT_PROVIDER_DIMMER
for (unsigned int i=0; i < _light_channel.size(); i++) {
pwm_set_duty(_toPWM(i), i);
}
pwm_start();
#endif
}
// -----------------------------------------------------------------------------
// PERSISTANCE
// -----------------------------------------------------------------------------
void _lightColorSave() {
for (unsigned int i=0; i < _light_channel.size(); i++) {
setSetting("ch", i, _light_channel[i].value);
}
setSetting("brightness", _light_brightness);
saveSettings();
}
void _lightColorRestore() {
for (unsigned int i=0; i < _light_channel.size(); i++) {
_light_channel[i].value = getSetting("ch", i, i==0 ? 255 : 0).toInt();
}
_light_brightness = getSetting("brightness", LIGHT_MAX_BRIGHTNESS).toInt();
lightUpdate(false, false);
}
// -----------------------------------------------------------------------------
// MQTT
// -----------------------------------------------------------------------------
#if MQTT_SUPPORT
void _lightMQTTCallback(unsigned int type, const char * topic, const char * payload) {
String mqtt_group_color = getSetting("mqttGroupColor");
if (type == MQTT_CONNECT_EVENT) {
if (_light_has_color) {
mqttSubscribe(MQTT_TOPIC_BRIGHTNESS);
mqttSubscribe(MQTT_TOPIC_MIRED);
mqttSubscribe(MQTT_TOPIC_KELVIN);
mqttSubscribe(MQTT_TOPIC_COLOR); // DEPRECATE
mqttSubscribe(MQTT_TOPIC_COLOR_RGB);
mqttSubscribe(MQTT_TOPIC_COLOR_HSV);
}
// Group color
if (mqtt_group_color.length() > 0) mqttSubscribeRaw(mqtt_group_color.c_str());
// Channels
char buffer[strlen(MQTT_TOPIC_CHANNEL) + 3];
snprintf_P(buffer, sizeof(buffer), PSTR("%s/+"), MQTT_TOPIC_CHANNEL);
mqttSubscribe(buffer);
}
if (type == MQTT_MESSAGE_EVENT) {
// Group color
if ((mqtt_group_color.length() > 0) & (mqtt_group_color.equals(topic))) {
lightColor(payload, true);
lightUpdate(true, mqttForward(), false);
return;
}
// Match topic
String t = mqttMagnitude((char *) topic);
// Color temperature in mireds
if (t.equals(MQTT_TOPIC_MIRED)) {
_fromMireds(atol(payload));
lightUpdate(true, mqttForward());
return;
}
// Color temperature in kelvins
if (t.equals(MQTT_TOPIC_KELVIN)) {
_fromKelvin(atol(payload));
lightUpdate(true, mqttForward());
return;
}
// Color
if (t.equals(MQTT_TOPIC_COLOR) || t.equals(MQTT_TOPIC_COLOR_RGB)) { // DEPRECATE MQTT_TOPIC_COLOR
lightColor(payload, true);
lightUpdate(true, mqttForward());
return;
}
if (t.equals(MQTT_TOPIC_COLOR_HSV)) {
lightColor(payload, false);
lightUpdate(true, mqttForward());
return;
}
// Brightness
if (t.equals(MQTT_TOPIC_BRIGHTNESS)) {
_light_brightness = constrain(atoi(payload), 0, LIGHT_MAX_BRIGHTNESS);
lightUpdate(true, mqttForward());
return;
}
// Channel
if (t.startsWith(MQTT_TOPIC_CHANNEL)) {
unsigned int channelID = t.substring(strlen(MQTT_TOPIC_CHANNEL)+1).toInt();
if (channelID >= _light_channel.size()) {
DEBUG_MSG_P(PSTR("[LIGHT] Wrong channelID (%d)\n"), channelID);
return;
}
lightChannel(channelID, atoi(payload));
lightUpdate(true, mqttForward());
return;
}
}
}
void lightMQTT() {
char buffer[20];
if (_light_has_color) {
// Color
if (getSetting("useCSS", LIGHT_USE_CSS).toInt() == 1) {
_toRGB(buffer, sizeof(buffer), false);
} else {
_toLong(buffer, sizeof(buffer), false);
}
mqttSend(MQTT_TOPIC_COLOR, buffer); // DEPRECATE
mqttSend(MQTT_TOPIC_COLOR_RGB, buffer);
_toHSV(buffer, sizeof(buffer));
mqttSend(MQTT_TOPIC_COLOR_HSV, buffer);
// Brightness
snprintf_P(buffer, sizeof(buffer), PSTR("%d"), _light_brightness);
mqttSend(MQTT_TOPIC_BRIGHTNESS, buffer);
}
// Channels
for (unsigned int i=0; i < _light_channel.size(); i++) {
itoa(_light_channel[i].value, buffer, 10);
mqttSend(MQTT_TOPIC_CHANNEL, i, buffer);
}
}
void lightMQTTGroup() {
String mqtt_group_color = getSetting("mqttGroupColor");
if (mqtt_group_color.length()>0) {
char buffer[20];
_toCSV(buffer, sizeof(buffer), true);
mqttSendRaw(mqtt_group_color.c_str(), buffer);
}
}
#endif
// -----------------------------------------------------------------------------
// Broker
// -----------------------------------------------------------------------------
#if BROKER_SUPPORT
void lightBroker() {
char buffer[10];
for (unsigned int i=0; i < _light_channel.size(); i++) {
itoa(_light_channel[i].value, buffer, 10);
brokerPublish(MQTT_TOPIC_CHANNEL, i, buffer);
}
}
#endif
// -----------------------------------------------------------------------------
// API
// -----------------------------------------------------------------------------
unsigned char lightChannels() {
return _light_channel.size();
}
bool lightHasColor() {
return _light_has_color;
}
unsigned char lightWhiteChannels() {
return _light_channel.size() % 3;
}
void lightUpdate(bool save, bool forward, bool group_forward) {
// Configure color transition
_light_steps_left = _light_use_transitions ? LIGHT_TRANSITION_STEPS : 1;
_light_transition_ticker.attach_ms(LIGHT_TRANSITION_STEP, _lightProviderUpdate);
// Report channels to local broker
#if BROKER_SUPPORT
lightBroker();
#endif
// Report color & brightness to MQTT broker
#if MQTT_SUPPORT
if (forward) lightMQTT();
if (group_forward) lightMQTTGroup();
#endif
// Report color to WS clients (using current brightness setting)
#if WEB_SUPPORT
wsSend(_lightWebSocketOnSend);
#endif
#if LIGHT_SAVE_ENABLED
// Delay saving to EEPROM 5 seconds to avoid wearing it out unnecessarily
if (save) _light_save_ticker.once(LIGHT_SAVE_DELAY, _lightColorSave);
#endif
};
void lightUpdate(bool save, bool forward) {
lightUpdate(save, forward, true);
}
#if LIGHT_SAVE_ENABLED == 0
void lightSave() {
_lightColorSave();
}
#endif
void lightState(unsigned char i, bool state) {
_light_channel[i].state = state;
}
bool lightState(unsigned char i) {
return _light_channel[i].state;
}
void lightState(bool state) {
_light_state = state;
}
bool lightState() {
return _light_state;
}
void lightColor(const char * color, bool rgb) {
DEBUG_MSG_P(PSTR("[LIGHT] %s: %s\n"), rgb ? "RGB" : "HSV", color);
if (rgb) {
_fromRGB(color);
} else {
_fromHSV(color);
}
}
void lightColor(const char * color) {
lightColor(color, true);
}
void lightColor(unsigned long color) {
_fromLong(color, false);
}
String lightColor(bool rgb) {
char str[12];
if (rgb) {
_toRGB(str, sizeof(str), false);
} else {
_toHSV(str, sizeof(str));
}
return String(str);
}
String lightColor() {
return lightColor(true);
}
unsigned int lightChannel(unsigned char id) {
if (id <= _light_channel.size()) {
return _light_channel[id].value;
}
return 0;
}
void lightChannel(unsigned char id, unsigned int value) {
if (id <= _light_channel.size()) {
_light_channel[id].value = constrain(value, 0, LIGHT_MAX_VALUE);
}
}
unsigned int lightBrightness() {
return _light_brightness;
}
void lightBrightness(int b) {
_light_brightness = constrain(b, 0, LIGHT_MAX_BRIGHTNESS);
}
void lightBrightnessStep(int steps) {
lightBrightness(_light_brightness + steps * LIGHT_STEP);
}
// -----------------------------------------------------------------------------
// SETUP
// -----------------------------------------------------------------------------
#if WEB_SUPPORT
void _lightWebSocketOnSend(JsonObject& root) {
root["colorVisible"] = 1;
root["mqttGroupColor"] = getSetting("mqttGroupColor");
root["useColor"] = _light_has_color;
root["useWhite"] = _light_use_white;
root["useGamma"] = _light_use_gamma;
root["useTransitions"] = _light_use_transitions;
root["useCSS"] = getSetting("useCSS", LIGHT_USE_CSS).toInt() == 1;
bool useRGB = getSetting("useRGB", LIGHT_USE_RGB).toInt() == 1;
root["useRGB"] = useRGB;
if (_light_has_color) {
if (useRGB) {
root["rgb"] = lightColor(true);
root["brightness"] = lightBrightness();
} else {
root["hsv"] = lightColor(false);
}
}
JsonArray& channels = root.createNestedArray("channels");
for (unsigned char id=0; id < lightChannels(); id++) {
channels.add(lightChannel(id));
}
}
void _lightWebSocketOnAction(uint32_t client_id, const char * action, JsonObject& data) {
if (_light_has_color) {
if (strcmp(action, "color") == 0) {
if (data.containsKey("rgb")) {
lightColor(data["rgb"], true);
lightUpdate(true, true);
}
if (data.containsKey("hsv")) {
lightColor(data["hsv"], false);
lightUpdate(true, true);
}
if (data.containsKey("brightness")) {
lightBrightness(data["brightness"]);
lightUpdate(true, true);
}
}
}
if (strcmp(action, "channel") == 0) {
if (data.containsKey("id") && data.containsKey("value")) {
lightChannel(data["id"], data["value"]);
lightUpdate(true, true);
}
}
}
void _lightAPISetup() {
// API entry points (protected with apikey)
if (_light_has_color) {
// DEPRECATE
apiRegister(MQTT_TOPIC_COLOR,
[](char * buffer, size_t len) {
if (getSetting("useCSS", LIGHT_USE_CSS).toInt() == 1) {
_toRGB(buffer, len, false);
} else {
_toLong(buffer, len, false);
}
},
[](const char * payload) {
lightColor(payload, true);
lightUpdate(true, true);
}
);
apiRegister(MQTT_TOPIC_COLOR_RGB,
[](char * buffer, size_t len) {
if (getSetting("useCSS", LIGHT_USE_CSS).toInt() == 1) {
_toRGB(buffer, len, false);
} else {
_toLong(buffer, len, false);
}
},
[](const char * payload) {
lightColor(payload, true);
lightUpdate(true, true);
}
);
apiRegister(MQTT_TOPIC_COLOR_HSV,
[](char * buffer, size_t len) {
_toHSV(buffer, len);
},
[](const char * payload) {
lightColor(payload, false);
lightUpdate(true, true);
}
);
apiRegister(MQTT_TOPIC_BRIGHTNESS,
[](char * buffer, size_t len) {
snprintf_P(buffer, len, PSTR("%d"), _light_brightness);
},
[](const char * payload) {
lightBrightness(atoi(payload));
lightUpdate(true, true);
}
);
apiRegister(MQTT_TOPIC_KELVIN,
[](char * buffer, size_t len) {},
[](const char * payload) {
_fromKelvin(atol(payload));
lightUpdate(true, true);
}
);
apiRegister(MQTT_TOPIC_MIRED,
[](char * buffer, size_t len) {},
[](const char * payload) {
_fromMireds(atol(payload));
lightUpdate(true, true);
}
);
}
for (unsigned int id=0; id<lightChannels(); id++) {
char key[15];
snprintf_P(key, sizeof(key), PSTR("%s/%d"), MQTT_TOPIC_CHANNEL, id);
apiRegister(key,
[id](char * buffer, size_t len) {
snprintf_P(buffer, len, PSTR("%d"), lightChannel(id));
},
[id](const char * payload) {
lightChannel(id, atoi(payload));
lightUpdate(true, true);
}
);
}
}
#endif // WEB_SUPPORT
#if TERMINAL_SUPPORT
void _lightInitCommands() {
settingsRegisterCommand(F("BRIGHTNESS"), [](Embedis* e) {
if (e->argc > 1) {
lightBrightness(String(e->argv[1]).toInt());
lightUpdate(true, true);
}
DEBUG_MSG_P(PSTR("Brightness: %d\n"), lightBrightness());
DEBUG_MSG_P(PSTR("+OK\n"));
});
settingsRegisterCommand(F("CHANNEL"), [](Embedis* e) {
if (e->argc < 2) {
DEBUG_MSG_P(PSTR("-ERROR: Wrong arguments\n"));
}
int id = String(e->argv[1]).toInt();
if (e->argc > 2) {
int value = String(e->argv[2]).toInt();
lightChannel(id, value);
lightUpdate(true, true);
}
DEBUG_MSG_P(PSTR("Channel #%d: %d\n"), id, lightChannel(id));
DEBUG_MSG_P(PSTR("+OK\n"));
});
settingsRegisterCommand(F("COLOR"), [](Embedis* e) {
if (e->argc > 1) {
String color = String(e->argv[1]);
lightColor(color.c_str());
lightUpdate(true, true);
}
DEBUG_MSG_P(PSTR("Color: %s\n"), lightColor().c_str());
DEBUG_MSG_P(PSTR("+OK\n"));
});
settingsRegisterCommand(F("KELVIN"), [](Embedis* e) {
if (e->argc > 1) {
String color = String("K") + String(e->argv[1]);
lightColor(color.c_str());
lightUpdate(true, true);
}
DEBUG_MSG_P(PSTR("Color: %s\n"), lightColor().c_str());
DEBUG_MSG_P(PSTR("+OK\n"));
});
settingsRegisterCommand(F("MIRED"), [](Embedis* e) {
if (e->argc > 1) {
String color = String("M") + String(e->argv[1]);
lightColor(color.c_str());
lightUpdate(true, true);
}
DEBUG_MSG_P(PSTR("Color: %s\n"), lightColor().c_str());
DEBUG_MSG_P(PSTR("+OK\n"));
});
}
#endif // TERMINAL_SUPPORT
#if LIGHT_PROVIDER == LIGHT_PROVIDER_DIMMER
unsigned long getIOMux(unsigned long gpio) {
unsigned long muxes[16] = {
PERIPHS_IO_MUX_GPIO0_U, PERIPHS_IO_MUX_U0TXD_U, PERIPHS_IO_MUX_GPIO2_U, PERIPHS_IO_MUX_U0RXD_U,
PERIPHS_IO_MUX_GPIO4_U, PERIPHS_IO_MUX_GPIO5_U, PERIPHS_IO_MUX_SD_CLK_U, PERIPHS_IO_MUX_SD_DATA0_U,
PERIPHS_IO_MUX_SD_DATA1_U, PERIPHS_IO_MUX_SD_DATA2_U, PERIPHS_IO_MUX_SD_DATA3_U, PERIPHS_IO_MUX_SD_CMD_U,
PERIPHS_IO_MUX_MTDI_U, PERIPHS_IO_MUX_MTCK_U, PERIPHS_IO_MUX_MTMS_U, PERIPHS_IO_MUX_MTDO_U
};
return muxes[gpio];
}
unsigned long getIOFunc(unsigned long gpio) {
unsigned long funcs[16] = {
FUNC_GPIO0, FUNC_GPIO1, FUNC_GPIO2, FUNC_GPIO3,
FUNC_GPIO4, FUNC_GPIO5, FUNC_GPIO6, FUNC_GPIO7,
FUNC_GPIO8, FUNC_GPIO9, FUNC_GPIO10, FUNC_GPIO11,
FUNC_GPIO12, FUNC_GPIO13, FUNC_GPIO14, FUNC_GPIO15
};
return funcs[gpio];
}
#endif
void _lightConfigure() {
_light_has_color = getSetting("useColor", LIGHT_USE_COLOR).toInt() == 1;
if (_light_has_color && (_light_channel.size() < 3)) {
_light_has_color = false;
setSetting("useColor", _light_has_color);
}
_light_use_white = getSetting("useWhite", LIGHT_USE_WHITE).toInt() == 1;
if (_light_use_white && (_light_channel.size() < 4)) {
_light_use_white = false;
setSetting("useWhite", _light_use_white);
}
_light_use_gamma = getSetting("useGamma", LIGHT_USE_GAMMA).toInt() == 1;
_light_use_transitions = getSetting("useTransitions", LIGHT_USE_TRANSITIONS).toInt() == 1;
}
void lightSetup() {
#ifdef LIGHT_ENABLE_PIN
pinMode(LIGHT_ENABLE_PIN, OUTPUT);
digitalWrite(LIGHT_ENABLE_PIN, HIGH);
#endif
#if LIGHT_PROVIDER == LIGHT_PROVIDER_MY92XX
_my92xx = new my92xx(MY92XX_MODEL, MY92XX_CHIPS, MY92XX_DI_PIN, MY92XX_DCKI_PIN, MY92XX_COMMAND);
for (unsigned char i=0; i<LIGHT_CHANNELS; i++) {
_light_channel.push_back((channel_t) {0, false, true, 0, 0, 0});
}
#endif
#if LIGHT_PROVIDER == LIGHT_PROVIDER_DIMMER
#ifdef LIGHT_CH1_PIN
_light_channel.push_back((channel_t) {LIGHT_CH1_PIN, LIGHT_CH1_INVERSE, true, 0, 0, 0});
#endif
#ifdef LIGHT_CH2_PIN
_light_channel.push_back((channel_t) {LIGHT_CH2_PIN, LIGHT_CH2_INVERSE, true, 0, 0, 0});
#endif
#ifdef LIGHT_CH3_PIN
_light_channel.push_back((channel_t) {LIGHT_CH3_PIN, LIGHT_CH3_INVERSE, true, 0, 0, 0});
#endif
#ifdef LIGHT_CH4_PIN
_light_channel.push_back((channel_t) {LIGHT_CH4_PIN, LIGHT_CH4_INVERSE, true, 0, 0, 0});
#endif
#ifdef LIGHT_CH5_PIN
_light_channel.push_back((channel_t) {LIGHT_CH5_PIN, LIGHT_CH5_INVERSE, true, 0, 0, 0});
#endif
uint32 pwm_duty_init[PWM_CHANNEL_NUM_MAX];
uint32 io_info[PWM_CHANNEL_NUM_MAX][3];
for (unsigned int i=0; i < _light_channel.size(); i++) {
pwm_duty_init[i] = 0;
io_info[i][0] = getIOMux(_light_channel[i].pin);
io_info[i][1] = getIOFunc(_light_channel[i].pin);
io_info[i][2] = _light_channel[i].pin;
pinMode(_light_channel[i].pin, OUTPUT);
}
pwm_init(LIGHT_MAX_PWM, pwm_duty_init, PWM_CHANNEL_NUM_MAX, io_info);
pwm_start();
#endif
DEBUG_MSG_P(PSTR("[LIGHT] LIGHT_PROVIDER = %d\n"), LIGHT_PROVIDER);
DEBUG_MSG_P(PSTR("[LIGHT] Number of channels: %d\n"), _light_channel.size());
_lightColorRestore();
_lightConfigure();
#if WEB_SUPPORT
_lightAPISetup();
wsOnSendRegister(_lightWebSocketOnSend);
wsOnActionRegister(_lightWebSocketOnAction);
wsOnAfterParseRegister([]() {
#if LIGHT_SAVE_ENABLED == 0
lightSave();
#endif
_lightConfigure();
});
#endif
#if MQTT_SUPPORT
mqttRegister(_lightMQTTCallback);
#endif
#if TERMINAL_SUPPORT
_lightInitCommands();
#endif
}
#endif // LIGHT_PROVIDER != LIGHT_PROVIDER_NONE