Fork of the espurna firmware for `mhsw` switches
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/*
DOMOTICZ MODULE
Copyright (C) 2016-2019 by Xose Pérez <xose dot perez at gmail dot com>
*/
#include "domoticz.h"
#if DOMOTICZ_SUPPORT
#include "broker.h"
#include "light.h"
#include "mqtt.h"
#include "relay.h"
#include "rpc.h"
#include "sensor.h"
#include "ws.h"
bool _dcz_enabled = false;
std::bitset<RelaysMax> _dcz_relay_state;
//------------------------------------------------------------------------------
// Private methods
//------------------------------------------------------------------------------
unsigned int _domoticzIdx(unsigned char relayID, unsigned int defaultValue = 0) {
return getSetting({"dczRelayIdx", relayID}, defaultValue);
}
int _domoticzRelay(unsigned int idx) {
for (unsigned char relayID=0; relayID<relayCount(); relayID++) {
if (_domoticzIdx(relayID) == idx) {
return relayID;
}
}
return -1;
}
void _domoticzMqttSubscribe(bool value) {
const String dczTopicOut = getSetting("dczTopicOut", DOMOTICZ_OUT_TOPIC);
if (value) {
mqttSubscribeRaw(dczTopicOut.c_str());
} else {
mqttUnsubscribeRaw(dczTopicOut.c_str());
}
}
bool _domoticzStatus(unsigned char id) {
return _dcz_relay_state[id];
}
void _domoticzStatus(unsigned char id, bool status) {
_dcz_relay_state[id] = status;
relayStatus(id, status);
}
#if LIGHT_PROVIDER != LIGHT_PROVIDER_NONE
#include "light.h"
void _domoticzLight(unsigned int idx, const JsonObject& root) {
JsonObject& color = root["Color"];
if (color.success()) {
// for ColorMode... see:
// https://github.com/domoticz/domoticz/blob/development/hardware/ColorSwitch.h
// https://www.domoticz.com/wiki/Domoticz_API/JSON_URL's#Set_a_light_to_a_certain_color_or_color_temperature
DEBUG_MSG_P(PSTR("[DOMOTICZ] Received rgb:%u,%u,%u ww:%u,cw:%u t:%u brightness:%u for IDX %u\n"),
color["r"].as<unsigned char>(),
color["g"].as<unsigned char>(),
color["b"].as<unsigned char>(),
color["ww"].as<unsigned char>(),
color["cw"].as<unsigned char>(),
color["t"].as<unsigned char>(),
color["Level"].as<unsigned char>(),
idx
);
// m field contains information about color mode (enum ColorMode from domoticz ColorSwitch.h):
unsigned int cmode = color["m"];
if (cmode == 2) { // ColorModeWhite - WW,CW,temperature (t unused for now)
if (lightChannels() < 2) return;
lightChannel(0, color["ww"]);
lightChannel(1, color["cw"]);
} else if (cmode == 3 || cmode == 4) { // ColorModeRGB or ColorModeCustom
if (lightChannels() < 3) return;
lightChannel(0, color["r"]);
lightChannel(1, color["g"]);
lightChannel(2, color["b"]);
// WARM WHITE (or MONOCHROME WHITE) and COLD WHITE are always sent.
// Apply only when supported.
if (lightChannels() > 3) {
lightChannel(3, color["ww"]);
}
if (lightChannels() > 4) {
lightChannel(4, color["cw"]);
}
}
}
// domoticz uses 100 as maximum value while we're using a custom scale
lightBrightness((root["Level"].as<long>() / 100l) * Light::BrightnessMax);
lightUpdate();
}
#endif
void _domoticzMqtt(unsigned int type, const char * topic, char * payload) {
if (!_dcz_enabled) return;
const String dczTopicOut = getSetting("dczTopicOut", DOMOTICZ_OUT_TOPIC);
if (type == MQTT_CONNECT_EVENT) {
// Subscribe to domoticz action topics
mqttSubscribeRaw(dczTopicOut.c_str());
// Send relays state on connection
#if RELAY_SUPPORT
domoticzSendRelays();
#endif
}
if (type == MQTT_MESSAGE_EVENT) {
// Check topic
if (dczTopicOut.equals(topic)) {
// Parse response
DynamicJsonBuffer jsonBuffer(1024);
JsonObject& root = jsonBuffer.parseObject(payload);
if (!root.success()) {
DEBUG_MSG_P(PSTR("[DOMOTICZ] Error parsing data\n"));
return;
}
// IDX
unsigned int idx = root["idx"];
#if LIGHT_PROVIDER != LIGHT_PROVIDER_NONE
String stype = root["stype"];
String switchType = root["switchType"];
if ((_domoticzIdx(0) == idx) && (stype.startsWith("RGB") || (switchType.equals("Dimmer")))) {
_domoticzLight(idx, root);
}
#endif
int relayID = _domoticzRelay(idx);
if (relayID >= 0) {
unsigned char value = root["nvalue"];
DEBUG_MSG_P(PSTR("[DOMOTICZ] Received value %u for IDX %u\n"), value, idx);
_domoticzStatus(relayID, value >= 1);
}
}
}
};
void _domoticzRelayConfigure(size_t size) {
for (size_t n = 0; n < size; ++n) {
_dcz_relay_state[n] = relayStatus(n);
}
}
void _domoticzConfigure() {
const bool enabled = getSetting("dczEnabled", 1 == DOMOTICZ_ENABLED);
if (enabled != _dcz_enabled) _domoticzMqttSubscribe(enabled);
#if RELAY_SUPPORT
_domoticzRelayConfigure(relayCount());
#endif
_dcz_enabled = enabled;
}
void _domoticzConfigCallback(const String& key, const String& value) {
if (key.equals("relayDummy")) {
_domoticzRelayConfigure(value.toInt());
return;
}
}
void _domoticzBrokerCallback(const String& topic, unsigned char id, unsigned int value) {
// Only process status messages for switches
if (!topic.equals(MQTT_TOPIC_RELAY)) {
return;
}
if (_domoticzStatus(id) == value) return;
_dcz_relay_state[id] = value;
domoticzSendRelay(id, value);
}
#if SENSOR_SUPPORT
void domoticzSendMagnitude(unsigned char type, unsigned char index, double value, const char* buffer) {
if (!_dcz_enabled) return;
char key[15];
snprintf_P(key, sizeof(key), PSTR("dczMagnitude%d"), index);
// Domoticz expects some additional data, dashboard might break otherwise.
// https://www.domoticz.com/wiki/Domoticz_API/JSON_URL's#Barometer
// TODO: Must send 'forecast' data. Default is last 3 hours:
// https://github.com/domoticz/domoticz/blob/6027b1d9e3b6588a901de42d82f3a6baf1374cd1/hardware/I2C.cpp#L1092-L1193
// For now, just send invalid value. Consider simplifying sampling function and adding it here, with custom sampling time (3 hours, 6 hours, 12 hours etc.)
if (MAGNITUDE_PRESSURE == type) {
String svalue = buffer;
svalue += ";-1";
domoticzSend(key, 0, svalue.c_str());
// Special case to allow us to use it with switches directly
} else if (MAGNITUDE_DIGITAL == type) {
int nvalue = (buffer[0] >= 48) ? (buffer[0] - 48) : 0;
domoticzSend(key, nvalue, buffer);
// https://www.domoticz.com/wiki/Domoticz_API/JSON_URL's#Humidity
// nvalue contains HUM (relative humidity)
// svalue contains HUM_STAT, one of consts below
} else if (MAGNITUDE_HUMIDITY == type) {
const char status = 48 + (
(value > 70) ? HUMIDITY_WET :
(value > 45) ? HUMIDITY_COMFORTABLE :
(value > 30) ? HUMIDITY_NORMAL :
HUMIDITY_DRY
);
char svalue[2] = {status, '\0'};
domoticzSend(key, static_cast<int>(value), svalue);
// https://www.domoticz.com/wiki/Domoticz_API/JSON_URL's#Air_quality
// nvalue contains the ppm
// svalue is not used (?)
} else if (MAGNITUDE_CO2 == type) {
domoticzSend(key, static_cast<int>(value), "");
// Otherwise, send char string (nvalue is only for integers)
} else {
domoticzSend(key, 0, buffer);
}
}
#endif // SENSOR_SUPPORT
#if WEB_SUPPORT
bool _domoticzWebSocketOnKeyCheck(const char * key, JsonVariant& value) {
return (strncmp(key, "dcz", 3) == 0);
}
void _domoticzWebSocketOnVisible(JsonObject& root) {
root["dczVisible"] = static_cast<unsigned char>(haveRelaysOrSensors());
}
void _domoticzWebSocketOnConnected(JsonObject& root) {
root["dczEnabled"] = getSetting("dczEnabled", 1 == DOMOTICZ_ENABLED);
root["dczTopicIn"] = getSetting("dczTopicIn", DOMOTICZ_IN_TOPIC);
root["dczTopicOut"] = getSetting("dczTopicOut", DOMOTICZ_OUT_TOPIC);
JsonArray& relays = root.createNestedArray("dczRelays");
for (unsigned char i=0; i<relayCount(); i++) {
relays.add(_domoticzIdx(i));
}
#if SENSOR_SUPPORT
sensorWebSocketMagnitudes(root, "dcz");
#endif
}
#endif // WEB_SUPPORT
//------------------------------------------------------------------------------
// Public API
//------------------------------------------------------------------------------
template<typename T> void domoticzSend(const char * key, T nvalue, const char * svalue) {
if (!_dcz_enabled) return;
const auto idx = getSetting(key, 0);
if (idx > 0) {
char payload[128];
snprintf(payload, sizeof(payload), "{\"idx\": %d, \"nvalue\": %s, \"svalue\": \"%s\"}", idx, String(nvalue).c_str(), svalue);
mqttSendRaw(getSetting("dczTopicIn", DOMOTICZ_IN_TOPIC).c_str(), payload);
}
}
template<typename T> void domoticzSend(const char * key, T nvalue) {
domoticzSend(key, nvalue, "");
}
void domoticzSendRelay(unsigned char relayID, bool status) {
if (!_dcz_enabled) return;
char buffer[15];
snprintf_P(buffer, sizeof(buffer), PSTR("dczRelayIdx%u"), relayID);
domoticzSend(buffer, status ? "1" : "0");
}
void domoticzSendRelays() {
for (uint8_t relayID=0; relayID < relayCount(); relayID++) {
domoticzSendRelay(relayID, relayStatus(relayID));
}
}
void domoticzSetup() {
_domoticzConfigure();
#if WEB_SUPPORT
wsRegister()
.onVisible(_domoticzWebSocketOnVisible)
.onConnected(_domoticzWebSocketOnConnected)
.onKeyCheck(_domoticzWebSocketOnKeyCheck);
#endif
StatusBroker::Register(_domoticzBrokerCallback);
ConfigBroker::Register(_domoticzConfigCallback);
// Callbacks
mqttRegister(_domoticzMqtt);
espurnaRegisterReload(_domoticzConfigure);
}
bool domoticzEnabled() {
return _dcz_enabled;
}
#endif