Fork of the espurna firmware for `mhsw` switches
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/*
LED MODULE
Copyright (C) 2016-2019 by Xose Pérez <xose dot perez at gmail dot com>
*/
#if LED_SUPPORT
#include <algorithm>
#include "broker.h"
#include "relay.h"
#include "rpc.h"
#include "led.h"
#include "led_pattern.h"
#include "led_config.h"
// LED helper class
led_t::led_t(unsigned char pin, bool inverse, unsigned char mode, unsigned char relayID) :
pin(pin),
inverse(inverse),
mode(mode),
relayID(relayID)
{
if (pin != GPIO_NONE) {
pinMode(pin, OUTPUT);
status(false);
}
}
bool led_t::status() {
bool result = digitalRead(pin);
return inverse ? !result : result;
}
bool led_t::status(bool new_status) {
digitalWrite(pin, inverse ? !new_status : new_status);
return new_status;
}
bool led_t::toggle() {
return status(!status());
}
led_delay_t::led_delay_t(unsigned long on_ms, unsigned long off_ms, unsigned char repeats) :
type(repeats ? led_delay_mode_t::Finite : led_delay_mode_t::Infinite),
on(microsecondsToClockCycles(on_ms * 1000)),
off(microsecondsToClockCycles(off_ms * 1000)),
repeats(repeats ? repeats : 0)
{}
led_delay_t::led_delay_t(unsigned long on_ms, unsigned long off_ms) :
led_delay_t(on_ms, off_ms, 0)
{}
led_pattern_t::led_pattern_t(const std::vector<led_delay_t>& delays) :
delays(delays),
queue(),
clock_last(ESP.getCycleCount()),
clock_delay(delays.size() ? delays.back().on : 0)
{}
bool led_pattern_t::started() {
return queue.size() > 0;
}
bool led_pattern_t::ready() {
return delays.size() > 0;
}
void led_pattern_t::start() {
clock_last = ESP.getCycleCount();
clock_delay = 0;
queue = {
delays.rbegin(), delays.rend()
};
}
void led_pattern_t::stop() {
queue.clear();
}
// For relay-based modes
bool _led_update = false;
// For network-based modes, cycle ON & OFF (time in milliseconds)
// XXX: internals convert these to clock cycles, delay cannot be longer than 25000 / 50000 ms
const led_delay_t _ledDelays[] {
{100, 100}, // Autoconfig
{100, 4900}, // Connected
{4900, 100}, // Connected (inverse)
{100, 900}, // Config / AP
{900, 100}, // Config / AP (inverse)
{500, 500} // Idle
};
std::vector<led_t> _leds;
// -----------------------------------------------------------------------------
unsigned char ledCount() {
return _leds.size();
}
bool _ledStatus(led_t& led) {
return led.pattern.started() || led.status();
}
bool _ledStatus(led_t& led, bool status) {
bool result = false;
// when led has pattern, status depends on whether it's running
if (led.pattern.ready()) {
if (status) {
if (!led.pattern.started()) {
led.pattern.start();
}
result = true;
} else {
led.pattern.stop();
led.status(false);
result = false;
}
// if not, simply proxy status directly to the led pin
} else {
result = led.status(status);
}
return result;
}
bool _ledToggle(led_t& led) {
return _ledStatus(led, !_ledStatus(led));
}
bool ledStatus(unsigned char id, bool status) {
if (id >= ledCount()) return false;
return _ledStatus(_leds[id], status);
}
bool ledStatus(unsigned char id) {
if (id >= ledCount()) return false;
return _ledStatus(_leds[id]);
}
const led_delay_t& _ledModeToDelay(LedMode mode) {
static_assert(
(sizeof(_ledDelays) / sizeof(_ledDelays[0])) <= static_cast<int>(LedMode::None),
"LedMode mapping out-of-bounds"
);
return _ledDelays[static_cast<int>(mode)];
}
void _ledPattern(led_t& led) {
const auto clock_current = ESP.getCycleCount();
if (clock_current - led.pattern.clock_last >= led.pattern.clock_delay) {
const bool status = led.toggle();
auto& current = led.pattern.queue.back();
switch (current.type) {
case led_delay_mode_t::Finite:
if (status && !--current.repeats) {
led.pattern.queue.pop_back();
if (!led.pattern.queue.size()) {
led.status(false);
return;
}
}
break;
case led_delay_mode_t::Infinite:
case led_delay_mode_t::None:
default:
break;
}
led.pattern.clock_delay = status ? current.on : current.off;
led.pattern.clock_last = ESP.getCycleCount();
}
}
void _ledBlink(led_t& led, const led_delay_t& delays) {
static auto clock_last = ESP.getCycleCount();
static auto delay_for = delays.on;
const auto clock_current = ESP.getCycleCount();
if (clock_current - clock_last >= delay_for) {
delay_for = led.toggle() ? delays.on : delays.off;
clock_last = clock_current;
}
}
inline void _ledBlink(led_t& led, const LedMode mode) {
_ledBlink(led, _ledModeToDelay(mode));
}
#if WEB_SUPPORT
bool _ledWebSocketOnKeyCheck(const char * key, JsonVariant& value) {
return (strncmp(key, "led", 3) == 0);
}
void _ledWebSocketOnVisible(JsonObject& root) {
if (ledCount() > 0) {
root["ledVisible"] = 1;
}
}
void _ledWebSocketOnConnected(JsonObject& root) {
if (!ledCount()) return;
JsonObject& module = root.createNestedObject("led");
JsonArray& schema = module.createNestedArray("schema");
schema.add("GPIO");
schema.add("Inv");
schema.add("Mode");
schema.add("Relay");
JsonArray& leds = module.createNestedArray("list");
for (unsigned char index = 0; index < ledCount(); ++index) {
JsonArray& led = leds.createNestedArray();
led.add(getSetting({"ledGPIO", index}, _ledPin(index)));
led.add(static_cast<int>(getSetting({"ledInv", index}, _ledInverse(index))));
led.add(getSetting({"ledMode", index}, _ledMode(index)));
led.add(getSetting({"ledRelay", index}, _ledRelay(index)));
}
}
#endif
#if BROKER_SUPPORT
void _ledBrokerCallback(const String& topic, unsigned char, unsigned int) {
// Only process status messages for switches
if (topic.equals(MQTT_TOPIC_RELAY)) {
ledUpdate(true);
}
}
#endif // BROKER_SUPPORT
#if MQTT_SUPPORT
void _ledMQTTCallback(unsigned int type, const char * topic, const char * payload) {
if (type == MQTT_CONNECT_EVENT) {
char buffer[strlen(MQTT_TOPIC_LED) + 3];
snprintf_P(buffer, sizeof(buffer), PSTR("%s/+"), MQTT_TOPIC_LED);
mqttSubscribe(buffer);
}
if (type == MQTT_MESSAGE_EVENT) {
// Only want `led/+/<MQTT_SETTER>`
const String magnitude = mqttMagnitude((char *) topic);
if (!magnitude.startsWith(MQTT_TOPIC_LED)) return;
// Get led ID from after the slash when t is `led/<LED_ID>`
unsigned int ledID = magnitude.substring(strlen(MQTT_TOPIC_LED) + 1).toInt();
if (ledID >= ledCount()) {
DEBUG_MSG_P(PSTR("[LED] Wrong ledID (%d)\n"), ledID);
return;
}
// Check if LED is managed
if (_leds[ledID].mode != LED_MODE_MANUAL) return;
// Get value based on rpc payload logic (see rpc.ino)
const auto value = rpcParsePayload(payload);
switch (value) {
case PayloadStatus::On:
case PayloadStatus::Off:
_ledStatus(_leds[ledID], (value == PayloadStatus::On));
break;
case PayloadStatus::Toggle:
_ledToggle(_leds[ledID]);
break;
case PayloadStatus::Unknown:
default:
_ledLoadPattern(_leds[ledID], payload);
_ledStatus(_leds[ledID], true);
break;
}
}
}
#endif
void _ledConfigure() {
for (unsigned char id = 0; id < _leds.size(); ++id) {
_leds[id].mode = getSetting({"ledMode", id}, _ledMode(id));
_leds[id].relayID = getSetting({"ledRelay", id}, _ledRelay(id));
_leds[id].pattern.stop();
_ledLoadPattern(_leds[id], getSetting({"ledPattern", id}).c_str());
}
_led_update = true;
}
// -----------------------------------------------------------------------------
void ledUpdate(bool do_update) {
_led_update = do_update;
}
void ledSetup() {
size_t leds = 0;
#if LED1_PIN != GPIO_NONE
++leds;
#endif
#if LED2_PIN != GPIO_NONE
++leds;
#endif
#if LED3_PIN != GPIO_NONE
++leds;
#endif
#if LED4_PIN != GPIO_NONE
++leds;
#endif
#if LED5_PIN != GPIO_NONE
++leds;
#endif
#if LED6_PIN != GPIO_NONE
++leds;
#endif
#if LED7_PIN != GPIO_NONE
++leds;
#endif
#if LED8_PIN != GPIO_NONE
++leds;
#endif
_leds.reserve(leds);
for (unsigned char index=0; index < LedsMax; ++index) {
const auto pin = getSetting({"ledGPIO", index}, _ledPin(index));
if (!gpioValid(pin)) {
break;
}
_leds.emplace_back(
pin,
getSetting({"ledInv", index}, _ledInverse(index)),
getSetting({"ledMode", index}, _ledMode(index)),
getSetting({"ledRelay", index}, _ledRelay(index))
);
}
_led_update = true;
#if MQTT_SUPPORT
mqttRegister(_ledMQTTCallback);
#endif
#if WEB_SUPPORT
wsRegister()
.onVisible(_ledWebSocketOnVisible)
.onConnected(_ledWebSocketOnConnected)
.onKeyCheck(_ledWebSocketOnKeyCheck);
#endif
#if BROKER_SUPPORT
StatusBroker::Register(_ledBrokerCallback);
#endif
DEBUG_MSG_P(PSTR("[LED] Number of leds: %d\n"), _leds.size());
// Main callbacks
espurnaRegisterLoop(ledLoop);
espurnaRegisterReload(_ledConfigure);
}
void ledLoop() {
const auto wifi_state = wifiState();
for (auto& led : _leds) {
switch (led.mode) {
case LED_MODE_WIFI:
if ((wifi_state & WIFI_STATE_WPS) || (wifi_state & WIFI_STATE_SMARTCONFIG)) {
_ledBlink(led, LedMode::NetworkAutoconfig);
} else if (wifi_state & WIFI_STATE_STA) {
_ledBlink(led, LedMode::NetworkConnected);
} else if (wifi_state & WIFI_STATE_AP) {
_ledBlink(led, LedMode::NetworkConfig);
} else {
_ledBlink(led, LedMode::NetworkIdle);
}
break;
case LED_MODE_FINDME_WIFI:
if ((wifi_state & WIFI_STATE_WPS) || (wifi_state & WIFI_STATE_SMARTCONFIG)) {
_ledBlink(led, LedMode::NetworkAutoconfig);
} else if (wifi_state & WIFI_STATE_STA) {
if (relayStatus(led.relayID)) {
_ledBlink(led, LedMode::NetworkConnected);
} else {
_ledBlink(led, LedMode::NetworkConnectedInverse);
}
} else if (wifi_state & WIFI_STATE_AP) {
if (relayStatus(led.relayID)) {
_ledBlink(led, LedMode::NetworkConfig);
} else {
_ledBlink(led, LedMode::NetworkConfigInverse);
}
} else {
_ledBlink(led, LedMode::NetworkIdle);
}
break;
case LED_MODE_RELAY_WIFI:
if ((wifi_state & WIFI_STATE_WPS) || (wifi_state & WIFI_STATE_SMARTCONFIG)) {
_ledBlink(led, LedMode::NetworkAutoconfig);
} else if (wifi_state & WIFI_STATE_STA) {
if (relayStatus(led.relayID)) {
_ledBlink(led, LedMode::NetworkConnected);
} else {
_ledBlink(led, LedMode::NetworkConnectedInverse);
}
} else if (wifi_state & WIFI_STATE_AP) {
if (relayStatus(led.relayID)) {
_ledBlink(led, LedMode::NetworkConfig);
} else {
_ledBlink(led, LedMode::NetworkConfigInverse);
}
} else {
_ledBlink(led, LedMode::NetworkIdle);
}
break;
case LED_MODE_FOLLOW:
if (!_led_update) break;
_ledStatus(led, relayStatus(led.relayID));
break;
case LED_MODE_FOLLOW_INVERSE:
if (!_led_update) break;
led.status(!relayStatus(led.relayID));
_ledStatus(led, !relayStatus(led.relayID));
break;
case LED_MODE_FINDME: {
if (!_led_update) break;
bool status = true;
for (unsigned char relayID = 0; relayID < relayCount(); ++relayID) {
if (relayStatus(relayID)) {
status = false;
break;
}
}
_ledStatus(led, status);
break;
}
case LED_MODE_RELAY: {
if (!_led_update) break;
bool status = false;
for (unsigned char relayID = 0; relayID < relayCount(); ++relayID) {
if (relayStatus(relayID)) {
status = true;
break;
}
}
_ledStatus(led, status);
break;
}
case LED_MODE_ON:
if (!_led_update) break;
_ledStatus(led, true);
break;
case LED_MODE_OFF:
if (!_led_update) break;
_ledStatus(led, false);
break;
}
if (led.pattern.started()) {
_ledPattern(led);
continue;
}
}
_led_update = false;
}
#endif // LED_SUPPORT