add light sleep support in button actions

code/espurna/button.cpp

@@ -21,6 +21,7 @@ Copyright (C) 2019-2021 by Maxim Prokhorov <prokhorov dot max at outlook dot com
 #include "relay.h"
 #include "system.h"
 #include "ws.h"
+#include "wifi.h"
 
 #include "mcp23s08_pin.h"
 
@@ -1180,6 +1181,10 @@ void buttonEvent(size_t id, ButtonEvent event) {
 #endif
         break;
 
+    case ButtonAction::Sleep:
+        lightSleep();
+
+        break;
     case ButtonAction::None:
         break;
 

code/espurna/button.h

@@ -45,6 +45,7 @@ enum class ButtonAction {
     BrightnessDecrease,
     DisplayOn,
     Custom,
+    Sleep,
     FanLow,
     FanMedium,
     FanHigh,

code/espurna/config/defaults.h

@@ -206,6 +206,10 @@
 #define BUTTON8_PIN         GPIO_NONE
 #endif
 
+#ifndef BUTTON_WAKEUP_PIN
+#define BUTTON_WAKEUP_PIN     BUTTON1_PIN
+#endif
+
 #ifndef BUTTON1_PIN_TYPE
 #define BUTTON1_PIN_TYPE    GPIO_TYPE_HARDWARE
 #endif

code/espurna/config/types.h

@@ -30,6 +30,7 @@
 #define BUTTON_ACTION_DIM_UP          ButtonAction::BrightnessIncrease
 #define BUTTON_ACTION_DIM_DOWN        ButtonAction::BrightnessDecrease
 #define BUTTON_ACTION_DISPLAY_ON      ButtonAction::DisplayOn
+#define BUTTON_ACTION_SLEEP           ButtonAction::Sleep
 #define BUTTON_ACTION_CUSTOM          ButtonAction::Custom
 #define BUTTON_ACTION_FAN_LOW         ButtonAction::FanLow
 #define BUTTON_ACTION_FAN_MEDIUM      ButtonAction::FanMedium
@@ -49,6 +50,7 @@
 #define BUTTON_MODE_DIM_UP            BUTTON_ACTION_DIM_UP
 #define BUTTON_MODE_DIM_DOWN          BUTTON_ACTION_DIM_DOWN
 #define BUTTON_MODE_DISPLAY_ON        BUTTON_ACTION_DISPLAY_ON
+#define BUTTON_MODE_SLEEP             BUTTON_ACTION_SLEEP
 
 // compat definitions for DebounceEvent
 #define BUTTON_PUSHBUTTON           ButtonMask::Pushbutton

code/espurna/wifi.cpp

@@ -355,6 +355,20 @@ bool sleep() {
     return false;
 }
 
+void lightSleep()
+{
+    wifi_set_opmode_current(NULL_MODE);
+    wifi_fpm_set_sleep_type(LIGHT_SLEEP_T);
+    yield();
+    wifi_fpm_open();
+    yield();
+    gpio_pin_wakeup_enable(GPIO_ID_PIN(BUTTON_WAKEUP_PIN), GPIO_PIN_INTR_LOLEVEL);
+    wifi_fpm_do_sleep(0xFFFFFFF);
+    delay(10);
+    wifi_fpm_close();
+    wifiTurnOn();
+}
+
 bool wakeup() {
     if (wifi_fpm_get_sleep_type() != NONE_SLEEP_T) {
         wifi_fpm_do_wakeup();
@@ -3041,3 +3055,7 @@ IPAddress wifiApIp() {
 void wifiSetup() {
     espurna::wifi::setup();
 }
+
+void lightSleep() {
+    espurna::wifi::lightSleep();
+}

code/espurna/wifi.h

@@ -105,3 +105,4 @@ void wifiApCheck();
 
 void wifiRegister(espurna::wifi::EventCallback);
 void wifiSetup();
+void lightSleep();