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mhsw-espurna/code/espurna/button.ino

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/*
BUTTON MODULE
Copyright (C) 2016-2019 by Xose Pérez <xose dot perez at gmail dot com>
*/
#if BUTTON_SUPPORT
#include <memory>
#include <vector>
#include "system.h"
#include "relay.h"
#include "light.h"
#include "button.h"
#include "button_config.h"
#include "debounce.h"
// -----------------------------------------------------------------------------
button_event_delays_t::button_event_delays_t() :
debounce(BUTTON_DEBOUNCE_DELAY),
dblclick(BUTTON_DBLCLICK_DELAY),
lngclick(BUTTON_LNGCLICK_DELAY),
lnglngclick(BUTTON_LNGLNGCLICK_DELAY)
{}
button_event_delays_t::button_event_delays_t(unsigned long debounce, unsigned long dblclick, unsigned long lngclick, unsigned long lnglngclick) :
debounce(debounce),
dblclick(dblclick),
lngclick(lngclick),
lnglngclick(lnglngclick)
{}
button_t::button_t(std::shared_ptr<DebounceEvent::PinBase> pin, int mode, unsigned long actions, unsigned char relayID, button_event_delays_t delays) :
event_handler(new DebounceEvent::DebounceEvent(pin, mode, delays.debounce, delays.dblclick)),
event_delays(delays),
actions(actions),
relayID(relayID)
{}
bool button_t::state() {
return event_handler->pressed();
}
std::vector<button_t> _buttons;
// -----------------------------------------------------------------------------
constexpr const uint8_t _buttonMapReleased(uint8_t count, uint8_t length, unsigned long lngclick_delay, unsigned long lnglngclick_delay) {
return (
(1 == count) ? (
(length > lnglngclick_delay) ? BUTTON_EVENT_LNGLNGCLICK :
(length > lngclick_delay) ? BUTTON_EVENT_LNGCLICK : BUTTON_EVENT_CLICK
) :
(2 == count) ? BUTTON_EVENT_DBLCLICK :
(3 == count) ? BUTTON_EVENT_TRIPLECLICK :
BUTTON_EVENT_NONE
);
}
const uint8_t _buttonMapEvent(button_t& button, DebounceEvent::Types::event_t event) {
using namespace DebounceEvent;
switch (event) {
case Types::EventPressed:
return BUTTON_EVENT_PRESSED;
case Types::EventChanged:
return BUTTON_EVENT_CLICK;
case Types::EventReleased: {
return _buttonMapReleased(
button.event_handler->getEventCount(),
button.event_handler->getEventLength(),
button.event_delays.lngclick,
button.event_delays.lnglngclick
);
}
case Types::EventNone:
default:
return BUTTON_EVENT_NONE;
}
}
unsigned char buttonCount() {
return _buttons.size();
}
#if MQTT_SUPPORT
void buttonMQTT(unsigned char id, uint8_t event) {
char payload[4] = {0};
itoa(event, payload, 10);
mqttSend(MQTT_TOPIC_BUTTON, id, payload, false, false); // 1st bool = force, 2nd = retain
}
#endif
#if WEB_SUPPORT
void _buttonWebSocketOnVisible(JsonObject& root) {
if (buttonCount() > 0) {
root["btnVisible"] = 1;
}
}
bool _buttonWebSocketOnKeyCheck(const char * key, JsonVariant& value) {
return (strncmp(key, "btn", 3) == 0);
}
#endif
bool buttonState(unsigned char id) {
if (id >= _buttons.size()) return false;
return _buttons[id].state();
}
unsigned char buttonAction(unsigned char id, unsigned char event) {
if (id >= _buttons.size()) return BUTTON_MODE_NONE;
return _buttonDecodeEventAction(_buttons[id].actions, event);
}
void buttonEvent(unsigned char id, unsigned char event) {
DEBUG_MSG_P(PSTR("[BUTTON] Button #%u event %u\n"), id, event);
if (event == 0) return;
auto& button = _buttons[id];
unsigned char action = _buttonDecodeEventAction(button.actions, event);
#if MQTT_SUPPORT
if (action != BUTTON_MODE_NONE || BUTTON_MQTT_SEND_ALL_EVENTS) {
buttonMQTT(id, event);
}
#endif
if (BUTTON_MODE_TOGGLE == action) {
relayToggle(button.relayID);
}
if (BUTTON_MODE_ON == action) {
relayStatus(button.relayID, true);
}
if (BUTTON_MODE_OFF == action) {
relayStatus(button.relayID, false);
}
if (BUTTON_MODE_AP == action) {
if (wifiState() & WIFI_STATE_AP) {
wifiStartSTA();
} else {
wifiStartAP();
}
}
if (BUTTON_MODE_RESET == action) {
deferredReset(100, CUSTOM_RESET_HARDWARE);
}
if (BUTTON_MODE_FACTORY == action) {
DEBUG_MSG_P(PSTR("\n\nFACTORY RESET\n\n"));
resetSettings();
deferredReset(100, CUSTOM_RESET_FACTORY);
}
#if defined(JUSTWIFI_ENABLE_WPS)
if (BUTTON_MODE_WPS == action) {
wifiStartWPS();
}
#endif // defined(JUSTWIFI_ENABLE_WPS)
#if defined(JUSTWIFI_ENABLE_SMARTCONFIG)
if (BUTTON_MODE_SMART_CONFIG == action) {
wifiStartSmartConfig();
}
#endif // defined(JUSTWIFI_ENABLE_SMARTCONFIG)
#if LIGHT_PROVIDER != LIGHT_PROVIDER_NONE
if (BUTTON_MODE_DIM_UP == action) {
lightBrightnessStep(1);
lightUpdate(true, true);
}
if (BUTTON_MODE_DIM_DOWN == action) {
lightBrightnessStep(-1);
lightUpdate(true, true);
}
#endif // LIGHT_PROVIDER != LIGHT_PROVIDER_NONE
}
struct DummyPin : virtual public DebounceEvent::PinBase {
DummyPin(unsigned char pin) : DebounceEvent::PinBase(pin) {}
void digitalWrite(int8_t val) {}
void pinMode(int8_t mode) {}
int digitalRead() { return 0; }
};
unsigned char buttonAdd(unsigned char pin, unsigned char mode, unsigned long actions, unsigned char relayID) {
const unsigned char index = _buttons.size();
button_event_delays_t delays {
getSetting({"btnDebDelay", index}, _buttonDebounceDelay(index)),
getSetting({"btnDblCDelay", index}, _buttonDoubleClickDelay(index)),
getSetting({"btnLngCDelay", index}, _buttonLongClickDelay(index)),
getSetting({"btnLngLngCDelay", index}, _buttonLongLongClickDelay(index))
};
_buttons.emplace_back(std::make_shared<DummyPin>(GPIO_NONE), BUTTON_PUSHBUTTON, actions, relayID, delays);
return _buttons.size() - 1;
}
void buttonSetup() {
// Special hardware cases
#if (BUTTON_EVENTS_SOURCE == BUTTON_EVENTS_SOURCE_ITEAD_SONOFF_DUAL) || \
(BUTTON_EVENTS_SOURCE == BUTTON_EVENTS_SOURCE_FOXEL_LIGHTFOX_DUAL)
size_t buttons = 0;
#if BUTTON1_RELAY != RELAY_NONE
++buttons;
#endif
#if BUTTON2_RELAY != RELAY_NONE
++buttons;
#endif
#if BUTTON3_RELAY != RELAY_NONE
++buttons;
#endif
#if BUTTON4_RELAY != RELAY_NONE
++buttons;
#endif
_buttons.reserve(buttons);
// Ignore default button modes
const auto actions = _buttonConstructActions(
BUTTON_MODE_NONE, BUTTON_MODE_TOGGLE, BUTTON_MODE_NONE,
BUTTON_MODE_NONE, BUTTON_MODE_NONE, BUTTON_MODE_NONE
);
for (unsigned char id = 0; id < buttons; ++id) {
buttonAdd(
GPIO_NONE, BUTTON_PUSHBUTTON,
actions, getSetting({"btnRelay", id}, _buttonRelay(id))
);
}
// Generic GPIO input handlers
#else
size_t buttons = 0;
// TODO: no real point of doing this when running with dynamic settings
// if there is limit like RELAYS_MAX - use that
// if not, try to allocate some reasonable amount
#if BUTTON1_PIN != GPIO_NONE
++buttons;
#endif
#if BUTTON2_PIN != GPIO_NONE
++buttons;
#endif
#if BUTTON3_PIN != GPIO_NONE
++buttons;
#endif
#if BUTTON4_PIN != GPIO_NONE
++buttons;
#endif
#if BUTTON5_PIN != GPIO_NONE
++buttons;
#endif
#if BUTTON6_PIN != GPIO_NONE
++buttons;
#endif
#if BUTTON7_PIN != GPIO_NONE
++buttons;
#endif
#if BUTTON8_PIN != GPIO_NONE
++buttons;
#endif
_buttons.reserve(buttons);
for (unsigned char index = 0; index < buttons; ++index) {
const auto pin = getSetting({"btnGPIO", index}, _buttonPin(index));
if (!gpioValid(pin)) {
break;
}
button_event_delays_t delays {
getSetting({"btnDebDelay", index}, _buttonDebounceDelay(index)),
getSetting({"btnDblCDelay", index}, _buttonDoubleClickDelay(index)),
getSetting({"btnLngCDelay", index}, _buttonLongClickDelay(index)),
getSetting({"btnLngLngCDelay", index}, _buttonLongLongClickDelay(index))
};
// TODO: allow to change DebounceEvent::DigitalPin to something else based on config
_buttons.emplace_back(
std::make_shared<DebounceEvent::DigitalPin>(pin),
getSetting({"btnMode", index}, _buttonMode(index)),
getSetting({"btnActions", index}, _buttonConstructActions(index)),
getSetting({"btnRelay", index}, _buttonRelay(index)),
delays
);
}
#endif
DEBUG_MSG_P(PSTR("[BUTTON] Number of buttons: %u\n"), _buttons.size());
// Websocket Callbacks
#if WEB_SUPPORT
wsRegister()
.onVisible(_buttonWebSocketOnVisible)
.onKeyCheck(_buttonWebSocketOnKeyCheck);
#endif
// Register loop
espurnaRegisterLoop(buttonLoop);
}
// Sonoff Dual does not do real GPIO readings and we
// depend on the external MCU to send us relay / button events
// TODO: move this to a separate 'hardware' setup file?
#if BUTTON_EVENTS_SOURCE == BUTTON_EVENTS_SOURCE_ITEAD_SONOFF_DUAL
void _buttonLoopSonoffDual() {
if (Serial.available() < 4) {
return;
}
unsigned char bytes[4] = {0};
Serial.readBytes(bytes, 4);
if ((bytes[0] != 0xA0) || (bytes[1] != 0x04) && (bytes[3] != 0xA1)) {
return;
}
const unsigned char value = bytes[2];
// RELAYs and BUTTONs are synchonized in the SIL F330
// The on-board BUTTON2 should toggle RELAY0 value
// Since we are not passing back RELAY2 value
// (in the relayStatus method) it will only be present
// here if it has actually been pressed
if ((value & 4) == 4) {
buttonEvent(2, BUTTON_EVENT_CLICK);
return;
}
// Otherwise check if any of the other two BUTTONs
// (in the header) has been pressed, but we should
// ensure that we only toggle one of them to avoid
// the synchronization going mad
// This loop is generic for any PSB-04 module
for (unsigned int i=0; i<relayCount(); i++) {
bool status = (value & (1 << i)) > 0;
// Check if the status for that relay has changed
if (relayStatus(i) != status) {
buttonEvent(i, BUTTON_EVENT_CLICK);
break;
}
}
}
#endif // BUTTON_EVENTS_SOURCE_ITEAD_SONOFF_DUAL == 1
// Lightfox uses the same protocol as Dual, but has slightly different actions
// TODO: same as above, move from here someplace else
#if BUTTON_EVENTS_SOURCE == BUTTON_EVENTS_SOURCE_FOXEL_LIGHTFOX_DUAL
void _buttonLoopFoxelLightfox() {
if (Serial.available() < 4) {
return;
}
unsigned char bytes[4] = {0};
Serial.readBytes(bytes, 4);
if ((bytes[0] != 0xA0) || (bytes[1] != 0x04) && (bytes[3] != 0xA1)) {
return;
}
const unsigned char value = bytes[2];
DEBUG_MSG_P(PSTR("[BUTTON] [LIGHTFOX] Received buttons mask: %u\n"), value);
for (unsigned int i=0; i<_buttons.size(); i++) {
bool clicked = (value & (1 << i)) > 0;
if (clicked) {
buttonEvent(i, BUTTON_EVENT_CLICK);
}
}
}
#endif // BUTTON_EVENTS_SOURCE_FOXEL_LIGHTFOX_DUAL == 1
void _buttonLoopGeneric() {
for (size_t id = 0; id < _buttons.size(); ++id) {
auto& button = _buttons[id];
auto event = button.event_handler->loop();
if (event != DebounceEvent::Types::EventNone) {
buttonEvent(id, _buttonMapEvent(button, event));
}
}
}
void buttonLoop() {
#if BUTTON_EVENTS_SOURCE == BUTTON_EVENTS_SOURCE_GENERIC
_buttonLoopGeneric();
#elif BUTTON_EVENTS_SOURCE == BUTTON_EVENTS_SOURCE_ITEAD_SONOFF_DUAL
_buttonLoopSonoffDual();
#elif BUTTON_EVENTS_SOURCE == BUTTON_EVENTS_SOURCE_FOXEL_LIGHTFOX_DUAL
_buttonLoopFoxelLightfox();
#else
#warning "Unknown value for BUTTON_EVENTS_SOURCE"
#endif
}
#endif // BUTTON_SUPPORT