Add etekcity-esw01-usa (#1836)

*  * Added support for Etekcity ESW01-USA device

* Update hardware.h

* Update hardware.h

code/espurna/config/hardware.h

@@ -3741,6 +3741,51 @@
     #define LED2_RELAY          1
     #define LED2_MODE           LED_MODE_FINDME_WIFI
 
+// -----------------------------------------------------------------------------
+// Etekcity ESW01-USA 
+// https://www.amazon.com/Etekcity-Voltson-Outlet-Monitoring-Required/dp/B01M3MYIFS
+// -----------------------------------------------------------------------------
+
+#elif defined(ETEKCITY_ESW01_USA)
+
+    // Info
+    #define MANUFACTURER                "ETEKCITY"
+    #define DEVICE                      "ESW01-USA"
+
+    // Buttons
+    #define BUTTON1_PIN                 14
+    #define BUTTON1_MODE                BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define BUTTON1_RELAY               1
+
+    // Relays
+    #define RELAY1_PIN                  4
+    #define RELAY1_TYPE                 RELAY_TYPE_NORMAL
+
+    // LEDs
+    // Blue
+    #define LED1_PIN                    5
+    #define LED1_PIN_INVERSE            0    
+    #define LED1_MODE                   LED_MODE_WIFI
+    // Yellow
+    #define LED2_PIN                    16
+    #define LED2_PIN_INVERSE            0
+    #define LED2_MODE                   LED_MODE_FOLLOW
+    #define LED2_RELAY                  1
+
+    // HLW8012
+    #ifndef HLW8012_SUPPORT
+    #define HLW8012_SUPPORT             1
+    #endif
+    #define HLW8012_SEL_PIN             15
+    #define HLW8012_CF1_PIN             12
+    #define HLW8012_CF_PIN              13
+
+    #define HLW8012_SEL_CURRENT         HIGH    // SEL pin to HIGH to measure current
+    #define HLW8012_CURRENT_R           0.001   // Current resistor
+    #define HLW8012_VOLTAGE_R_UP        ( 4 * 470000 )  // Upstream voltage resistor
+    #define HLW8012_VOLTAGE_R_DOWN      ( 1000 )        // Downstream voltage resistor
+    #define HLW8012_INTERRUPT_ON        CHANGE
+
 // -----------------------------------------------------------------------------
 // TEST boards (do not use!!)
 // -----------------------------------------------------------------------------

code/platformio.ini

@@ -1543,3 +1543,13 @@ board = ${common.board_1m}
 build_flags = ${common.build_flags_1m0m} -DJINVOO_VALVE_SM_AW713
 upload_port = ${common.ota_upload_port}
 upload_flags = ${common.ota_upload_flags}
+
+[env:etekcity-esw01-usa]
+board = ${common.board_1m}
+build_flags = ${common.build_flags_1m0m} -DETEKCITY_ESW01_USA
+
+[env:etekcity-esw01-usa-ota]
+board = ${common.board_1m}
+build_flags = ${common.build_flags_1m0m} -DETEKCITY_ESW01_USA
+upload_port = ${common.ota_upload_port}
+upload_flags = ${common.ota_upload_flags}