Added LITESUN LA-WF3 support. (#1618)

* Added LITESUN LA-WF3 support.

Support for LITESUN LA-WF3 / Costco Charging Essentials wall socket.

* Added LITESUN LA-WF3 support.

Support for LITESUN LA-WF3 / Costco Charging Essentials wall socket.

* LITESUN_LA_WF3 hardware.h

* LITESUN_LA_WF3 platformio.ini

code/espurna/config/hardware.h

@@ -3500,6 +3500,33 @@
     #define HLW8012_POWER_RATIO         3414290
     #define HLW8012_INTERRUPT_ON        FALLING
 
+// -----------------------------------------------------------------------------
+// Charging Essentials / LITESUN LA-WF3
+// -----------------------------------------------------------------------------
+
+#elif defined(LITESUN_LA_WF3)
+
+    // Info
+    #define MANUFACTURER        "LITESUN"
+    #define DEVICE              "LA_WF3"
+
+    // Buttons
+    #define BUTTON1_PIN         13
+    #define BUTTON1_MODE        BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define BUTTON1_RELAY       1
+
+    // Relays
+    #define RELAY1_PIN          12
+    #define RELAY1_TYPE         RELAY_TYPE_NORMAL
+
+    // LEDs
+    #define LED1_PIN            4  // 4 blue led
+    #define LED1_MODE           LED_MODE_WIFI
+    #define LED1_PIN_INVERSE    1
+    
+    #define LED2_PIN            5  // 5 red led
+    #define LED2_MODE           LED_MODE_RELAY
+    #define LED2_PIN_INVERSE    1
 
 // -----------------------------------------------------------------------------
 // TEST boards (do not use!!)

code/platformio.ini

@@ -3277,3 +3277,29 @@ monitor_speed = ${common.monitor_speed}
 upload_port = ${common.upload_port}
 upload_flags = ${common.upload_flags}
 extra_scripts = ${common.extra_scripts}
+
+[env:litesun-la-wf3]
+platform = ${common.platform}
+framework = ${common.framework}
+board = ${common.board_1m}
+board_build.flash_mode = ${common.flash_mode}
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags_1m0m} -DLITESUN_LA_WF3
+upload_speed = ${common.upload_speed}
+monitor_speed = ${common.monitor_speed}
+extra_scripts = ${common.extra_scripts}
+
+[env:litesun-la-wf3-ota]
+platform = ${common.platform}
+framework = ${common.framework}
+board = ${common.board_1m}
+board_build.flash_mode = ${common.flash_mode}
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags_1m0m} -DLITESUN_LA_WF3
+upload_speed = ${common.upload_speed}
+monitor_speed = ${common.monitor_speed}
+upload_port = ${common.upload_port}
+upload_flags = ${common.upload_flags}
+extra_scripts = ${common.extra_scripts}