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mhsw-espurna/code/espurna/relay.ino

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/*
RELAY MODULE
Copyright (C) 2016-2019 by Xose Pérez <xose dot perez at gmail dot com>
*/
#include <EEPROM_Rotate.h>
#include <Ticker.h>
#include <ArduinoJson.h>
#include <vector>
#include <functional>
#include <bitset>
#include "relay.h"
#include "broker.h"
#include "tuya.h"
#include "ws.h"
#include "relay_config.h"
struct relay_t {
// Default to dummy (virtual) relay configuration
relay_t(unsigned char pin, unsigned char type, unsigned char reset_pin) :
pin(pin),
type(type),
reset_pin(reset_pin),
delay_on(0),
delay_off(0),
pulse(RELAY_PULSE_NONE),
pulse_ms(0),
current_status(false),
target_status(false),
lock(RELAY_LOCK_DISABLED),
fw_start(0),
fw_count(0),
change_start(0),
change_delay(0),
report(false),
group_report(false)
{}
relay_t() :
relay_t(GPIO_NONE, RELAY_TYPE_NORMAL, GPIO_NONE)
{}
// ... unless there are pre-configured values
relay_t(unsigned char id) :
relay_t(_relayPin(id), _relayType(id), _relayResetPin(id))
{}
// Configuration variables
unsigned char pin; // GPIO pin for the relay
unsigned char type; // RELAY_TYPE_NORMAL, RELAY_TYPE_INVERSE, RELAY_TYPE_LATCHED or RELAY_TYPE_LATCHED_INVERSE
unsigned char reset_pin; // GPIO to reset the relay if RELAY_TYPE_LATCHED
unsigned long delay_on; // Delay to turn relay ON
unsigned long delay_off; // Delay to turn relay OFF
unsigned char pulse; // RELAY_PULSE_NONE, RELAY_PULSE_OFF or RELAY_PULSE_ON
unsigned long pulse_ms; // Pulse length in millis
// Status variables
bool current_status; // Holds the current (physical) status of the relay
bool target_status; // Holds the target status
unsigned char lock; // Holds the value of target status, that cannot be changed afterwards. (0 for false, 1 for true, 2 to disable)
unsigned long fw_start; // Flood window start time
unsigned char fw_count; // Number of changes within the current flood window
unsigned long change_start; // Time when relay was scheduled to change
unsigned long change_delay; // Delay until the next change
bool report; // Whether to report to own topic
bool group_report; // Whether to report to group topic
// Helping objects
Ticker pulseTicker; // Holds the pulse back timer
};
std::vector<relay_t> _relays;
bool _relayRecursive = false;
size_t _relayDummy = 0;
unsigned long _relay_flood_window = (1000 * RELAY_FLOOD_WINDOW);
unsigned long _relay_flood_changes = RELAY_FLOOD_CHANGES;
unsigned long _relay_delay_interlock;
unsigned char _relay_sync_mode = RELAY_SYNC_ANY;
bool _relay_sync_locked = false;
Ticker _relay_save_timer;
Ticker _relay_sync_timer;
#if WEB_SUPPORT
bool _relay_report_ws = false;
#endif // WEB_SUPPORT
#if MQTT_SUPPORT
String _relay_mqtt_payload_on;
String _relay_mqtt_payload_off;
String _relay_mqtt_payload_toggle;
#endif // MQTT_SUPPORT
// -----------------------------------------------------------------------------
// UTILITY
// -----------------------------------------------------------------------------
bool _relayHandlePayload(unsigned char relayID, const char* payload) {
auto value = relayParsePayload(payload);
if (value == RelayStatus::UNKNOWN) return false;
if (value == RelayStatus::OFF) {
relayStatus(relayID, false);
} else if (value == RelayStatus::ON) {
relayStatus(relayID, true);
} else if (value == RelayStatus::TOGGLE) {
relayToggle(relayID);
}
return true;
}
RelayStatus _relayStatusInvert(RelayStatus status) {
return (status == RelayStatus::ON) ? RelayStatus::OFF : status;
}
RelayStatus _relayStatusTyped(unsigned char id) {
if (id >= _relays.size()) return RelayStatus::OFF;
const bool status = _relays[id].current_status;
return (status) ? RelayStatus::ON : RelayStatus::OFF;
}
void _relayLockAll() {
for (auto& relay : _relays) {
relay.lock = relay.target_status ? RELAY_LOCK_ON : RELAY_LOCK_OFF;
}
_relay_sync_locked = true;
}
void _relayUnlockAll() {
for (auto& relay : _relays) {
relay.lock = RELAY_LOCK_DISABLED;
}
_relay_sync_locked = false;
}
bool _relayStatusLock(unsigned char id, bool status) {
if (_relays[id].lock != RELAY_LOCK_DISABLED) {
bool lock = _relays[id].lock == RELAY_LOCK_ON;
if ((lock != status) || (lock != _relays[id].target_status)) {
_relays[id].target_status = lock;
_relays[id].change_delay = 0;
return false;
}
}
return true;
}
// https://github.com/xoseperez/espurna/issues/1510#issuecomment-461894516
// completely reset timing on the other relay to sync with this one
// to ensure that they change state sequentially
void _relaySyncRelaysDelay(unsigned char first, unsigned char second) {
_relays[second].fw_start = _relays[first].change_start;
_relays[second].fw_count = 1;
_relays[second].change_delay = std::max({
_relay_delay_interlock,
_relays[first].change_delay,
_relays[second].change_delay
});
}
void _relaySyncUnlock() {
bool unlock = true;
bool all_off = true;
for (const auto& relay : _relays) {
unlock = unlock && (relay.current_status == relay.target_status);
if (!unlock) break;
all_off = all_off && !relay.current_status;
}
if (!unlock) return;
auto action = []() {
_relayUnlockAll();
#if WEB_SUPPORT
_relay_report_ws = true;
#endif
};
if (all_off) {
_relay_sync_timer.once_ms(_relay_delay_interlock, action);
} else {
action();
}
}
// -----------------------------------------------------------------------------
// RELAY PROVIDERS
// -----------------------------------------------------------------------------
void _relayProviderStatus(unsigned char id, bool status) {
// Check relay ID
if (id >= _relays.size()) return;
// Store new current status
_relays[id].current_status = status;
#if RELAY_PROVIDER == RELAY_PROVIDER_RFBRIDGE
rfbStatus(id, status);
#endif
#if RELAY_PROVIDER == RELAY_PROVIDER_DUAL
// Calculate mask
unsigned char mask=0;
for (unsigned char i=0; i<_relays.size(); i++) {
if (_relays[i].current_status) mask = mask + (1 << i);
}
DEBUG_MSG_P(PSTR("[RELAY] [DUAL] Sending relay mask: %d\n"), mask);
// Send it to F330
Serial.flush();
Serial.write(0xA0);
Serial.write(0x04);
Serial.write(mask);
Serial.write(0xA1);
Serial.flush();
#endif
#if RELAY_PROVIDER == RELAY_PROVIDER_STM
Serial.flush();
Serial.write(0xA0);
Serial.write(id + 1);
Serial.write(status);
Serial.write(0xA1 + status + id);
// The serial init are not full recognized by relais board.
// References: https://github.com/xoseperez/espurna/issues/1519 , https://github.com/xoseperez/espurna/issues/1130
delay(100);
Serial.flush();
#endif
#if RELAY_PROVIDER == RELAY_PROVIDER_LIGHT
// Real relays
size_t physical = _relays.size() - _relayDummy;
// Support for a mixed of dummy and real relays
// Reference: https://github.com/xoseperez/espurna/issues/1305
if (id >= physical) {
// If the number of dummy relays matches the number of light channels
// assume each relay controls one channel.
// If the number of dummy relays is the number of channels plus 1
// assume the first one controls all the channels and
// the rest one channel each.
// Otherwise every dummy relay controls all channels.
if (_relayDummy == lightChannels()) {
lightState(id-physical, status);
lightState(true);
} else if (_relayDummy == (lightChannels() + 1u)) {
if (id == physical) {
lightState(status);
} else {
lightState(id-1-physical, status);
}
} else {
lightState(status);
}
lightUpdate(true, true);
return;
}
#endif
#if (RELAY_PROVIDER == RELAY_PROVIDER_RELAY) || (RELAY_PROVIDER == RELAY_PROVIDER_LIGHT)
// If this is a light, all dummy relays have already been processed above
// we reach here if the user has toggled a physical relay
if (_relays[id].type == RELAY_TYPE_NORMAL) {
digitalWrite(_relays[id].pin, status);
} else if (_relays[id].type == RELAY_TYPE_INVERSE) {
digitalWrite(_relays[id].pin, !status);
} else if (_relays[id].type == RELAY_TYPE_LATCHED || _relays[id].type == RELAY_TYPE_LATCHED_INVERSE) {
bool pulse = RELAY_TYPE_LATCHED ? HIGH : LOW;
digitalWrite(_relays[id].pin, !pulse);
if (GPIO_NONE != _relays[id].reset_pin) digitalWrite(_relays[id].reset_pin, !pulse);
if (status || (GPIO_NONE == _relays[id].reset_pin)) {
digitalWrite(_relays[id].pin, pulse);
} else {
digitalWrite(_relays[id].reset_pin, pulse);
}
nice_delay(RELAY_LATCHING_PULSE);
digitalWrite(_relays[id].pin, !pulse);
if (GPIO_NONE != _relays[id].reset_pin) digitalWrite(_relays[id].reset_pin, !pulse);
}
#endif
}
/**
* Walks the relay vector processing only those relays
* that have to change to the requested mode
* @bool mode Requested mode
*/
void _relayProcess(bool mode) {
bool changed = false;
for (unsigned char id = 0; id < _relays.size(); id++) {
bool target = _relays[id].target_status;
// Only process the relays we have to change
if (target == _relays[id].current_status) continue;
// Only process the relays we have to change to the requested mode
if (target != mode) continue;
// Only process if the change delay has expired
if (_relays[id].change_delay && (millis() - _relays[id].change_start < _relays[id].change_delay)) continue;
// Purge existing delay in case of cancelation
_relays[id].change_delay = 0;
changed = true;
DEBUG_MSG_P(PSTR("[RELAY] #%d set to %s\n"), id, target ? "ON" : "OFF");
// Call the provider to perform the action
_relayProviderStatus(id, target);
// Send to Broker
#if BROKER_SUPPORT
StatusBroker::Publish(MQTT_TOPIC_RELAY, id, target);
#endif
// Send MQTT
#if MQTT_SUPPORT
relayMQTT(id);
#endif
#if WEB_SUPPORT
_relay_report_ws = true;
#endif
if (!_relayRecursive) {
relayPulse(id);
// We will trigger a eeprom save only if
// we care about current relay status on boot
const auto boot_mode = getSetting("relayBoot", id, RELAY_BOOT_MODE).toInt();
const bool save_eeprom = ((RELAY_BOOT_SAME == boot_mode) || (RELAY_BOOT_TOGGLE == boot_mode));
_relay_save_timer.once_ms(RELAY_SAVE_DELAY, relaySave, save_eeprom);
}
_relays[id].report = false;
_relays[id].group_report = false;
}
// Whenever we are using sync modes and any relay had changed the state, check if we can unlock
const bool needs_unlock = ((_relay_sync_mode == RELAY_SYNC_NONE_OR_ONE) || (_relay_sync_mode == RELAY_SYNC_ONE));
if (_relay_sync_locked && needs_unlock && changed) {
_relaySyncUnlock();
}
}
#if defined(ITEAD_SONOFF_IFAN02)
unsigned char _relay_ifan02_speeds[] = {0, 1, 3, 5};
unsigned char getSpeed() {
unsigned char speed =
(_relays[1].target_status ? 1 : 0) +
(_relays[2].target_status ? 2 : 0) +
(_relays[3].target_status ? 4 : 0);
for (unsigned char i=0; i<4; i++) {
if (_relay_ifan02_speeds[i] == speed) return i;
}
return 0;
}
void setSpeed(unsigned char speed) {
if ((0 <= speed) & (speed <= 3)) {
if (getSpeed() == speed) return;
unsigned char states = _relay_ifan02_speeds[speed];
for (unsigned char i=0; i<3; i++) {
relayStatus(i+1, states & 1 == 1);
states >>= 1;
}
}
}
#endif
// -----------------------------------------------------------------------------
// RELAY
// -----------------------------------------------------------------------------
// State persistance persistance
RelayMask INLINE _relayMaskRtcmem() {
return RelayMask(Rtcmem->relay);
}
void INLINE _relayMaskRtcmem(uint32_t mask) {
Rtcmem->relay = mask;
}
void INLINE _relayMaskRtcmem(const RelayMask& mask) {
_relayMaskRtcmem(mask.as_u32);
}
void INLINE _relayMaskRtcmem(const std::bitset<RELAYS_MAX>& bitset) {
_relayMaskRtcmem(bitset.to_ulong());
}
RelayMask INLINE _relayMaskSettings() {
return RelayMask(getSetting("relayBootMask"));
}
void INLINE _relayMaskSettings(uint32_t mask) {
setSetting("relayBootMask", u32toString(mask, 2));
}
void INLINE _relayMaskSettings(const RelayMask& mask) {
setSetting("relayBootMask", mask.as_string);
}
void INLINE _relayMaskSettings(const std::bitset<RELAYS_MAX>& bitset) {
_relayMaskSettings(bitset.to_ulong());
}
// Pulse timers (timer after ON or OFF event)
void relayPulse(unsigned char id) {
_relays[id].pulseTicker.detach();
byte mode = _relays[id].pulse;
if (mode == RELAY_PULSE_NONE) return;
unsigned long ms = _relays[id].pulse_ms;
if (ms == 0) return;
bool status = relayStatus(id);
bool pulseStatus = (mode == RELAY_PULSE_ON);
if (pulseStatus != status) {
DEBUG_MSG_P(PSTR("[RELAY] Scheduling relay #%d back in %lums (pulse)\n"), id, ms);
_relays[id].pulseTicker.once_ms(ms, relayToggle, id);
// Reconfigure after dynamic pulse
_relays[id].pulse = getSetting("relayPulse", id, RELAY_PULSE_MODE).toInt();
_relays[id].pulse_ms = 1000 * getSetting("relayTime", id, RELAY_PULSE_MODE).toFloat();
}
}
// General relay status control
bool relayStatus(unsigned char id, bool status, bool report, bool group_report) {
if (id >= _relays.size()) return false;
if (!_relayStatusLock(id, status)) {
DEBUG_MSG_P(PSTR("[RELAY] #%d is locked to %s\n"), id, _relays[id].current_status ? "ON" : "OFF");
_relays[id].report = true;
_relays[id].group_report = true;
return false;
}
bool changed = false;
if (_relays[id].current_status == status) {
if (_relays[id].target_status != status) {
DEBUG_MSG_P(PSTR("[RELAY] #%d scheduled change cancelled\n"), id);
_relays[id].target_status = status;
_relays[id].report = false;
_relays[id].group_report = false;
_relays[id].change_delay = 0;
changed = true;
}
// For RFBridge, keep sending the message even if the status is already the required
#if RELAY_PROVIDER == RELAY_PROVIDER_RFBRIDGE
rfbStatus(id, status);
#endif
// Update the pulse counter if the relay is already in the non-normal state (#454)
relayPulse(id);
} else {
unsigned long current_time = millis();
unsigned long change_delay = status ? _relays[id].delay_on : _relays[id].delay_off;
_relays[id].fw_count++;
_relays[id].change_start = current_time;
_relays[id].change_delay = std::max(_relays[id].change_delay, change_delay);
// If current_time is off-limits the floodWindow...
const auto fw_diff = current_time - _relays[id].fw_start;
if (fw_diff > _relay_flood_window) {
// We reset the floodWindow
_relays[id].fw_start = current_time;
_relays[id].fw_count = 1;
// If current_time is in the floodWindow and there have been too many requests...
} else if (_relays[id].fw_count >= _relay_flood_changes) {
// We schedule the changes to the end of the floodWindow
// unless it's already delayed beyond that point
_relays[id].change_delay = std::max(change_delay, _relay_flood_window - fw_diff);
// Another option is to always move it forward, starting from current time
//_relays[id].fw_start = current_time;
}
_relays[id].target_status = status;
if (report) _relays[id].report = true;
if (group_report) _relays[id].group_report = true;
relaySync(id);
DEBUG_MSG_P(PSTR("[RELAY] #%d scheduled %s in %u ms\n"),
id, status ? "ON" : "OFF", _relays[id].change_delay
);
changed = true;
}
return changed;
}
bool relayStatus(unsigned char id, bool status) {
return relayStatus(id, status, mqttForward(), true);
}
bool relayStatus(unsigned char id) {
// Check that relay ID is valid
if (id >= _relays.size()) return false;
// Get status directly from storage
return _relays[id].current_status;
}
void relaySync(unsigned char id) {
// No sync if none or only one relay
if (_relays.size() < 2) return;
// Do not go on if we are comming from a previous sync
if (_relayRecursive) return;
// Flag sync mode
_relayRecursive = true;
bool status = _relays[id].target_status;
// If RELAY_SYNC_SAME all relays should have the same state
if (_relay_sync_mode == RELAY_SYNC_SAME) {
for (unsigned short i=0; i<_relays.size(); i++) {
if (i != id) relayStatus(i, status);
}
// If RELAY_SYNC_FIRST all relays should have the same state as first if first changes
} else if (_relay_sync_mode == RELAY_SYNC_FIRST) {
if (id == 0) {
for (unsigned short i=1; i<_relays.size(); i++) {
relayStatus(i, status);
}
}
} else if ((_relay_sync_mode == RELAY_SYNC_NONE_OR_ONE) || (_relay_sync_mode == RELAY_SYNC_ONE)) {
// If NONE_OR_ONE or ONE and setting ON we should set OFF all the others
if (status) {
if (_relay_sync_mode != RELAY_SYNC_ANY) {
for (unsigned short other_id=0; other_id<_relays.size(); other_id++) {
if (other_id != id) {
relayStatus(other_id, false);
if (relayStatus(other_id)) {
_relaySyncRelaysDelay(other_id, id);
}
}
}
}
// If ONLY_ONE and setting OFF we should set ON the other one
} else {
if (_relay_sync_mode == RELAY_SYNC_ONE) {
unsigned char other_id = (id + 1) % _relays.size();
_relaySyncRelaysDelay(id, other_id);
relayStatus(other_id, true);
}
}
_relayLockAll();
}
// Unflag sync mode
_relayRecursive = false;
}
void relaySave(bool eeprom) {
const unsigned char count = constrain(relayCount(), 0, RELAYS_MAX);
auto statuses = std::bitset<RELAYS_MAX>(0);
for (unsigned int id = 0; id < count; ++id) {
statuses.set(id, relayStatus(id));
}
const RelayMask mask(statuses);
DEBUG_MSG_P(PSTR("[RELAY] Setting relay mask: %s\n"), mask.as_string.c_str());
// Persist only to rtcmem, unless requested to save to the eeprom
_relayMaskRtcmem(mask);
// The 'eeprom' flag controls whether we are commiting this change or not.
// It is useful to set it to 'false' if the relay change triggering the
// save involves a relay whose boot mode is independent from current mode,
// thus storing the last relay value is not absolutely necessary.
// Nevertheless, we store the value in the EEPROM buffer so it will be written
// on the next commit.
if (eeprom) {
_relayMaskSettings(mask);
// We are actually enqueuing the commit so it will be
// executed on the main loop, in case this is called from a system context callback
eepromCommit();
}
}
void relaySave() {
relaySave(false);
}
void relayToggle(unsigned char id, bool report, bool group_report) {
if (id >= _relays.size()) return;
relayStatus(id, !relayStatus(id), report, group_report);
}
void relayToggle(unsigned char id) {
relayToggle(id, mqttForward(), true);
}
unsigned char relayCount() {
return _relays.size();
}
RelayStatus relayParsePayload(const char * payload) {
// Don't parse empty strings
const auto len = strlen(payload);
if (!len) return RelayStatus::UNKNOWN;
// Check most commonly used payloads
if (len == 1) {
if (payload[0] == '0') return RelayStatus::OFF;
if (payload[0] == '1') return RelayStatus::ON;
if (payload[0] == '2') return RelayStatus::TOGGLE;
return RelayStatus::UNKNOWN;
}
// If possible, compare to locally configured payload strings
#if MQTT_SUPPORT
if (_relay_mqtt_payload_off.equals(payload)) return RelayStatus::OFF;
if (_relay_mqtt_payload_on.equals(payload)) return RelayStatus::ON;
if (_relay_mqtt_payload_toggle.equals(payload)) return RelayStatus::TOGGLE;
#endif // MQTT_SUPPORT
// Finally, check for "OFF", "ON", "TOGGLE" (both lower and upper cases)
String temp(payload);
temp.trim();
if (temp.equalsIgnoreCase("off")) {
return RelayStatus::OFF;
} else if (temp.equalsIgnoreCase("on")) {
return RelayStatus::ON;
} else if (temp.equalsIgnoreCase("toggle")) {
return RelayStatus::TOGGLE;
}
return RelayStatus::UNKNOWN;
}
// BACKWARDS COMPATIBILITY
void _relayBackwards() {
#if defined(EEPROM_RELAY_STATUS)
{
uint8_t mask = EEPROMr.read(EEPROM_RELAY_STATUS);
if (mask != 0xff) {
_relayMaskSettings(static_cast<uint32_t>(mask));
EEPROMr.write(EEPROM_RELAY_STATUS, 0xff);
eepromCommit();
}
}
#endif
for (unsigned int i=0; i<_relays.size(); i++) {
if (!hasSetting("mqttGroupInv", i)) continue;
setSetting("mqttGroupSync", i, getSetting("mqttGroupInv", i));
delSetting("mqttGroupInv", i);
}
}
void _relayBoot() {
_relayRecursive = true;
const auto stored_mask = rtcmemStatus()
? _relayMaskRtcmem()
: _relayMaskSettings();
DEBUG_MSG_P(PSTR("[RELAY] Retrieving mask: %s\n"), stored_mask.as_string.c_str());
auto mask = std::bitset<RELAYS_MAX>(stored_mask.as_u32);
// Walk the relays
unsigned char lock;
bool status;
for (unsigned char i=0; i<relayCount(); ++i) {
unsigned char boot_mode = getSetting("relayBoot", i, RELAY_BOOT_MODE).toInt();
DEBUG_MSG_P(PSTR("[RELAY] Relay #%u boot mode %u\n"), i, boot_mode);
status = false;
lock = RELAY_LOCK_DISABLED;
switch (boot_mode) {
case RELAY_BOOT_SAME:
status = mask.test(i);
break;
case RELAY_BOOT_TOGGLE:
mask.flip(i);
status = mask[i];
break;
case RELAY_BOOT_LOCKED_ON:
status = true;
lock = RELAY_LOCK_ON;
break;
case RELAY_BOOT_LOCKED_OFF:
lock = RELAY_LOCK_OFF;
break;
case RELAY_BOOT_ON:
status = true;
break;
case RELAY_BOOT_OFF:
default:
break;
}
_relays[i].current_status = !status;
_relays[i].target_status = status;
_relays[i].change_start = millis();
_relays[i].change_delay = status
? _relays[i].delay_on
: _relays[i].delay_off;
#if RELAY_PROVIDER == RELAY_PROVIDER_STM
// XXX hack for correctly restoring relay state on boot
// because of broken stm relay firmware
_relays[i].change_delay = 3000 + 1000 * i;
#endif
_relays[i].lock = lock;
}
_relayRecursive = false;
#if TUYA_SUPPORT
tuyaSyncSwitchStatus();
#endif
}
void _relayConfigure() {
for (unsigned int i=0; i<_relays.size(); i++) {
_relays[i].pulse = getSetting("relayPulse", i, RELAY_PULSE_MODE).toInt();
_relays[i].pulse_ms = 1000 * getSetting("relayTime", i, RELAY_PULSE_MODE).toFloat();
_relays[i].delay_on = getSetting("relayDelayOn", i, _relayDelayOn(i)).toInt();
_relays[i].delay_off = getSetting("relayDelayOff", i, _relayDelayOff(i)).toInt();
if (GPIO_NONE == _relays[i].pin) continue;
pinMode(_relays[i].pin, OUTPUT);
if (GPIO_NONE != _relays[i].reset_pin) {
pinMode(_relays[i].reset_pin, OUTPUT);
}
if (_relays[i].type == RELAY_TYPE_INVERSE) {
//set to high to block short opening of relay
digitalWrite(_relays[i].pin, HIGH);
}
}
_relay_flood_window = (1000 * getSetting("relayFloodTime", RELAY_FLOOD_WINDOW).toInt());
_relay_flood_changes = getSetting("relayFloodChanges", RELAY_FLOOD_CHANGES).toInt();
_relay_delay_interlock = getSetting("relayDelayInterlock", RELAY_DELAY_INTERLOCK).toInt();
_relay_sync_mode = getSetting("relaySync", RELAY_SYNC).toInt();
#if MQTT_SUPPORT
settingsProcessConfig({
{_relay_mqtt_payload_on, "relayPayloadOn", RELAY_MQTT_ON},
{_relay_mqtt_payload_off, "relayPayloadOff", RELAY_MQTT_OFF},
{_relay_mqtt_payload_toggle, "relayPayloadToggle", RELAY_MQTT_TOGGLE},
});
#endif // MQTT_SUPPORT
}
//------------------------------------------------------------------------------
// WEBSOCKETS
//------------------------------------------------------------------------------
#if WEB_SUPPORT
bool _relayWebSocketOnKeyCheck(const char * key, JsonVariant& value) {
return (strncmp(key, "relay", 5) == 0);
}
void _relayWebSocketUpdate(JsonObject& root) {
JsonObject& state = root.createNestedObject("relayState");
state["size"] = relayCount();
JsonArray& status = state.createNestedArray("status");
JsonArray& lock = state.createNestedArray("lock");
for (unsigned char i=0; i<relayCount(); i++) {
status.add<uint8_t>(_relays[i].target_status);
lock.add(_relays[i].lock);
}
}
String _relayFriendlyName(unsigned char i) {
String res = String("GPIO") + String(_relays[i].pin);
if (GPIO_NONE == _relays[i].pin) {
#if (RELAY_PROVIDER == RELAY_PROVIDER_LIGHT)
uint8_t physical = _relays.size() - _relayDummy;
if (i >= physical) {
if (_relayDummy == lightChannels()) {
res = String("CH") + String(i-physical);
} else if (_relayDummy == (lightChannels() + 1u)) {
if (physical == i) {
res = String("Light");
} else {
res = String("CH") + String(i-1-physical);
}
} else {
res = String("Light");
}
} else {
res = String("?");
}
#else
res = String("SW") + String(i);
#endif
}
return res;
}
void _relayWebSocketSendRelays(JsonObject& root) {
JsonObject& relays = root.createNestedObject("relayConfig");
relays["size"] = relayCount();
relays["start"] = 0;
JsonArray& gpio = relays.createNestedArray("gpio");
JsonArray& type = relays.createNestedArray("type");
JsonArray& reset = relays.createNestedArray("reset");
JsonArray& boot = relays.createNestedArray("boot");
JsonArray& pulse = relays.createNestedArray("pulse");
JsonArray& pulse_time = relays.createNestedArray("pulse_time");
#if SCHEDULER_SUPPORT
JsonArray& sch_last = relays.createNestedArray("sch_last");
#endif
#if MQTT_SUPPORT
JsonArray& group = relays.createNestedArray("group");
JsonArray& group_sync = relays.createNestedArray("group_sync");
JsonArray& on_disconnect = relays.createNestedArray("on_disc");
#endif
for (unsigned char i=0; i<relayCount(); i++) {
gpio.add(_relayFriendlyName(i));
type.add(_relays[i].type);
reset.add(_relays[i].reset_pin);
boot.add(getSetting("relayBoot", i, RELAY_BOOT_MODE).toInt());
pulse.add(_relays[i].pulse);
pulse_time.add(_relays[i].pulse_ms / 1000.0);
#if SCHEDULER_SUPPORT
sch_last.add(getSetting("relayLastSch", i, SCHEDULER_RESTORE_LAST_SCHEDULE).toInt());
#endif
#if MQTT_SUPPORT
group.add(getSetting("mqttGroup", i, ""));
group_sync.add(getSetting("mqttGroupSync", i, 0).toInt());
on_disconnect.add(getSetting("relayOnDisc", i, 0).toInt());
#endif
}
}
void _relayWebSocketOnVisible(JsonObject& root) {
if (relayCount() == 0) return;
if (relayCount() > 1) {
root["multirelayVisible"] = 1;
root["relaySync"] = getSetting("relaySync", RELAY_SYNC);
}
root["relayVisible"] = 1;
}
void _relayWebSocketOnConnected(JsonObject& root) {
if (relayCount() == 0) return;
// Per-relay configuration
_relayWebSocketSendRelays(root);
}
void _relayWebSocketOnAction(uint32_t client_id, const char * action, JsonObject& data) {
if (strcmp(action, "relay") != 0) return;
if (data.containsKey("status")) {
unsigned int relayID = 0;
if (data.containsKey("id") && data.is<int>("id")) {
relayID = data["id"];
}
_relayHandlePayload(relayID, data["status"]);
}
}
void relaySetupWS() {
wsRegister()
.onVisible(_relayWebSocketOnVisible)
.onConnected(_relayWebSocketOnConnected)
.onData(_relayWebSocketUpdate)
.onAction(_relayWebSocketOnAction)
.onKeyCheck(_relayWebSocketOnKeyCheck);
}
#endif // WEB_SUPPORT
//------------------------------------------------------------------------------
// REST API
//------------------------------------------------------------------------------
#if API_SUPPORT
void relaySetupAPI() {
char key[20];
// API entry points (protected with apikey)
for (unsigned int relayID=0; relayID<relayCount(); relayID++) {
snprintf_P(key, sizeof(key), PSTR("%s/%d"), MQTT_TOPIC_RELAY, relayID);
apiRegister(key,
[relayID](char * buffer, size_t len) {
snprintf_P(buffer, len, PSTR("%d"), _relays[relayID].target_status ? 1 : 0);
},
[relayID](const char * payload) {
if (!_relayHandlePayload(relayID, payload)) {
DEBUG_MSG_P(PSTR("[RELAY] Wrong payload (%s)\n"), payload);
return;
}
}
);
snprintf_P(key, sizeof(key), PSTR("%s/%d"), MQTT_TOPIC_PULSE, relayID);
apiRegister(key,
[relayID](char * buffer, size_t len) {
dtostrf((double) _relays[relayID].pulse_ms / 1000, 1, 3, buffer);
},
[relayID](const char * payload) {
unsigned long pulse = 1000 * atof(payload);
if (0 == pulse) return;
if (RELAY_PULSE_NONE != _relays[relayID].pulse) {
DEBUG_MSG_P(PSTR("[RELAY] Overriding relay #%d pulse settings\n"), relayID);
}
_relays[relayID].pulse_ms = pulse;
_relays[relayID].pulse = relayStatus(relayID) ? RELAY_PULSE_ON : RELAY_PULSE_OFF;
relayToggle(relayID, true, false);
}
);
#if defined(ITEAD_SONOFF_IFAN02)
apiRegister(MQTT_TOPIC_SPEED,
[relayID](char * buffer, size_t len) {
snprintf(buffer, len, "%u", getSpeed());
},
[relayID](const char * payload) {
setSpeed(atoi(payload));
}
);
#endif
}
}
#endif // API_SUPPORT
//------------------------------------------------------------------------------
// MQTT
//------------------------------------------------------------------------------
#if MQTT_SUPPORT
const String& relayPayloadOn() {
return _relay_mqtt_payload_on;
}
const String& relayPayloadOff() {
return _relay_mqtt_payload_off;
}
const String& relayPayloadToggle() {
return _relay_mqtt_payload_toggle;
}
const char* relayPayload(RelayStatus status) {
if (status == RelayStatus::OFF) {
return _relay_mqtt_payload_off.c_str();
} else if (status == RelayStatus::ON) {
return _relay_mqtt_payload_on.c_str();
} else if (status == RelayStatus::TOGGLE) {
return _relay_mqtt_payload_toggle.c_str();
}
return "";
}
void _relayMQTTGroup(unsigned char id) {
String topic = getSetting("mqttGroup", id, "");
if (!topic.length()) return;
unsigned char mode = getSetting("mqttGroupSync", id, RELAY_GROUP_SYNC_NORMAL).toInt();
if (mode == RELAY_GROUP_SYNC_RECEIVEONLY) return;
auto status = _relayStatusTyped(id);
if (mode == RELAY_GROUP_SYNC_INVERSE) status = _relayStatusInvert(status);
mqttSendRaw(topic.c_str(), relayPayload(status));
}
void relayMQTT(unsigned char id) {
if (id >= _relays.size()) return;
// Send state topic
if (_relays[id].report) {
_relays[id].report = false;
mqttSend(MQTT_TOPIC_RELAY, id, relayPayload(_relayStatusTyped(id)));
}
// Check group topic
if (_relays[id].group_report) {
_relays[id].group_report = false;
_relayMQTTGroup(id);
}
// Send speed for IFAN02
#if defined (ITEAD_SONOFF_IFAN02)
char buffer[5];
snprintf(buffer, sizeof(buffer), "%u", getSpeed());
mqttSend(MQTT_TOPIC_SPEED, buffer);
#endif
}
void relayMQTT() {
for (unsigned int id=0; id < _relays.size(); id++) {
mqttSend(MQTT_TOPIC_RELAY, id, relayPayload(_relayStatusTyped(id)));
}
}
void relayStatusWrap(unsigned char id, RelayStatus value, bool is_group_topic) {
switch (value) {
case RelayStatus::OFF:
relayStatus(id, false, mqttForward(), !is_group_topic);
break;
case RelayStatus::ON:
relayStatus(id, true, mqttForward(), !is_group_topic);
break;
case RelayStatus::TOGGLE:
relayToggle(id, true, true);
break;
default:
_relays[id].report = true;
relayMQTT(id);
break;
}
}
void relayMQTTCallback(unsigned int type, const char * topic, const char * payload) {
if (type == MQTT_CONNECT_EVENT) {
// Send status on connect
#if (HEARTBEAT_MODE == HEARTBEAT_NONE) or (not HEARTBEAT_REPORT_RELAY)
relayMQTT();
#endif
// Subscribe to own /set topic
char relay_topic[strlen(MQTT_TOPIC_RELAY) + 3];
snprintf_P(relay_topic, sizeof(relay_topic), PSTR("%s/+"), MQTT_TOPIC_RELAY);
mqttSubscribe(relay_topic);
// Subscribe to pulse topic
char pulse_topic[strlen(MQTT_TOPIC_PULSE) + 3];
snprintf_P(pulse_topic, sizeof(pulse_topic), PSTR("%s/+"), MQTT_TOPIC_PULSE);
mqttSubscribe(pulse_topic);
#if defined(ITEAD_SONOFF_IFAN02)
mqttSubscribe(MQTT_TOPIC_SPEED);
#endif
// Subscribe to group topics
for (unsigned int i=0; i < _relays.size(); i++) {
String t = getSetting("mqttGroup", i, "");
if (t.length() > 0) mqttSubscribeRaw(t.c_str());
}
}
if (type == MQTT_MESSAGE_EVENT) {
String t = mqttMagnitude((char *) topic);
// magnitude is relay/#/pulse
if (t.startsWith(MQTT_TOPIC_PULSE)) {
unsigned int id = t.substring(strlen(MQTT_TOPIC_PULSE)+1).toInt();
if (id >= relayCount()) {
DEBUG_MSG_P(PSTR("[RELAY] Wrong relayID (%d)\n"), id);
return;
}
unsigned long pulse = 1000 * atof(payload);
if (0 == pulse) return;
if (RELAY_PULSE_NONE != _relays[id].pulse) {
DEBUG_MSG_P(PSTR("[RELAY] Overriding relay #%d pulse settings\n"), id);
}
_relays[id].pulse_ms = pulse;
_relays[id].pulse = relayStatus(id) ? RELAY_PULSE_ON : RELAY_PULSE_OFF;
relayToggle(id, true, false);
return;
}
// magnitude is relay/#
if (t.startsWith(MQTT_TOPIC_RELAY)) {
// Get relay ID
unsigned int id = t.substring(strlen(MQTT_TOPIC_RELAY)+1).toInt();
if (id >= relayCount()) {
DEBUG_MSG_P(PSTR("[RELAY] Wrong relayID (%d)\n"), id);
return;
}
// Get value
auto value = relayParsePayload(payload);
if (value == RelayStatus::UNKNOWN) return;
relayStatusWrap(id, value, false);
return;
}
// Check group topics
for (unsigned int i=0; i < _relays.size(); i++) {
String t = getSetting("mqttGroup", i, "");
if ((t.length() > 0) && t.equals(topic)) {
auto value = relayParsePayload(payload);
if (value == RelayStatus::UNKNOWN) return;
if ((value == RelayStatus::ON) || (value == RelayStatus::OFF)) {
if (getSetting("mqttGroupSync", i, RELAY_GROUP_SYNC_NORMAL).toInt() == RELAY_GROUP_SYNC_INVERSE) {
value = _relayStatusInvert(value);
}
}
DEBUG_MSG_P(PSTR("[RELAY] Matched group topic for relayID %d\n"), i);
relayStatusWrap(i, value, true);
}
}
// Itead Sonoff IFAN02
#if defined (ITEAD_SONOFF_IFAN02)
if (t.startsWith(MQTT_TOPIC_SPEED)) {
setSpeed(atoi(payload));
}
#endif
}
if (type == MQTT_DISCONNECT_EVENT) {
for (unsigned int i=0; i < _relays.size(); i++){
int reaction = getSetting("relayOnDisc", i, 0).toInt();
if (1 == reaction) { // switch relay OFF
DEBUG_MSG_P(PSTR("[RELAY] Reset relay (%d) due to MQTT disconnection\n"), i);
relayStatusWrap(i, RelayStatus::OFF, false);
} else if(2 == reaction) { // switch relay ON
DEBUG_MSG_P(PSTR("[RELAY] Set relay (%d) due to MQTT disconnection\n"), i);
relayStatusWrap(i, RelayStatus::ON, false);
}
}
}
}
void relaySetupMQTT() {
mqttRegister(relayMQTTCallback);
}
#endif
void _relaySetupProvider() {
// TODO: implement something like `RelayProvider tuya_provider({.setup_cb = ..., .send_cb = ...})`?
// note of the function call order! relay code is initialized before tuya's, and the easiest
// way to accomplish that is to use ctor as a way to "register" callbacks even before setup() is called
#if TUYA_SUPPORT
tuyaSetupSwitch();
#endif
}
//------------------------------------------------------------------------------
// Settings
//------------------------------------------------------------------------------
#if TERMINAL_SUPPORT
void _relayInitCommands() {
terminalRegisterCommand(F("RELAY"), [](Embedis* e) {
if (e->argc < 2) {
terminalError(F("Wrong arguments"));
return;
}
int id = String(e->argv[1]).toInt();
if (id >= relayCount()) {
DEBUG_MSG_P(PSTR("-ERROR: Wrong relayID (%d)\n"), id);
return;
}
if (e->argc > 2) {
int value = String(e->argv[2]).toInt();
if (value == 2) {
relayToggle(id);
} else {
relayStatus(id, value == 1);
}
}
DEBUG_MSG_P(PSTR("Status: %s\n"), _relays[id].target_status ? "true" : "false");
if (_relays[id].pulse != RELAY_PULSE_NONE) {
DEBUG_MSG_P(PSTR("Pulse: %s\n"), (_relays[id].pulse == RELAY_PULSE_ON) ? "ON" : "OFF");
DEBUG_MSG_P(PSTR("Pulse time: %d\n"), _relays[id].pulse_ms);
}
terminalOK();
});
#if 0
terminalRegisterCommand(F("RELAY.INFO"), [](Embedis* e) {
DEBUG_MSG_P(PSTR(" cur tgt pin type reset lock delay_on delay_off pulse pulse_ms\n"));
DEBUG_MSG_P(PSTR(" --- --- --- ---- ----- ---- ---------- ----------- ----- ----------\n"));
for (unsigned char index = 0; index < _relays.size(); ++index) {
const auto& relay = _relays.at(index);
DEBUG_MSG_P(PSTR("%3u %3s %3s %3u %4u %5u %4u %10u %11u %5u %10u\n"),
index,
relay.current_status ? "ON" : "OFF",
relay.target_status ? "ON" : "OFF",
relay.pin, relay.type, relay.reset_pin,
relay.lock,
relay.delay_on, relay.delay_off,
relay.pulse, relay.pulse_ms
);
}
});
#endif
}
#endif // TERMINAL_SUPPORT
//------------------------------------------------------------------------------
// Setup
//------------------------------------------------------------------------------
void _relayLoop() {
_relayProcess(false);
_relayProcess(true);
#if WEB_SUPPORT
if (_relay_report_ws) {
wsPost(_relayWebSocketUpdate);
_relay_report_ws = false;
}
#endif
}
// Dummy relays for virtual light switches, Sonoff Dual, Sonoff RF Bridge and Tuya
void relaySetupDummy(size_t size, bool reconfigure) {
if (size == _relayDummy) return;
const size_t new_size = ((_relays.size() - _relayDummy) + size);
if (new_size > RELAYS_MAX) return;
_relayDummy = size;
_relays.resize(new_size);
if (reconfigure) {
_relayConfigure();
}
#if BROKER_SUPPORT
ConfigBroker::Publish("relayDummy", String(int(size)));
#endif
}
void _relaySetupAdhoc() {
size_t relays = 0;
#if RELAY1_PIN != GPIO_NONE
++relays;
#endif
#if RELAY2_PIN != GPIO_NONE
++relays;
#endif
#if RELAY3_PIN != GPIO_NONE
++relays;
#endif
#if RELAY4_PIN != GPIO_NONE
++relays;
#endif
#if RELAY5_PIN != GPIO_NONE
++relays;
#endif
#if RELAY6_PIN != GPIO_NONE
++relays;
#endif
#if RELAY7_PIN != GPIO_NONE
++relays;
#endif
#if RELAY8_PIN != GPIO_NONE
++relays;
#endif
_relays.reserve(relays);
for (unsigned char id = 0; id < relays; ++id) {
_relays.emplace_back(id);
}
}
void relaySetup() {
// Ad-hoc relays
_relaySetupAdhoc();
// Dummy (virtual) relays
relaySetupDummy(getSetting("relayDummy", DUMMY_RELAY_COUNT).toInt());
_relaySetupProvider();
_relayBackwards();
_relayConfigure();
_relayBoot();
_relayLoop();
#if WEB_SUPPORT
relaySetupWS();
#endif
#if API_SUPPORT
relaySetupAPI();
#endif
#if MQTT_SUPPORT
relaySetupMQTT();
#endif
#if TERMINAL_SUPPORT
_relayInitCommands();
#endif
// Main callbacks
espurnaRegisterLoop(_relayLoop);
espurnaRegisterReload(_relayConfigure);
DEBUG_MSG_P(PSTR("[RELAY] Number of relays: %d\n"), _relays.size());
}