hardware: add support for Gosund P1 Power Strip (xoseperez#2391)

Author: alextircovnicu

code/espurna/board.cpp

@@ -688,6 +688,10 @@ int getBoardId() {
         return 158;
     #elif defined(PRODINO_WIFI)
         return 159;
+    #elif defined(GOSUND_SP111)
+        return 160;
+    #elif defined(GOSUND_P1)
+        return 161;
     #else
         return -1; // CUSTOM
     #endif

code/espurna/config/arduino.h

@@ -66,6 +66,7 @@
 //#define GENERIC_V9261F
 //#define GIZWITS_WITTY_CLOUD
 //#define GOSUND_SP111
+//#define GOSUND_P1
 //#define GOSUND_WP3
 //#define GOSUND_WS1
 //#define GREEN_ESP8266RELAY

code/espurna/config/hardware.h

@@ -3464,6 +3464,63 @@
     #define HLW8012_POWER_RATIO         3414290
     #define HLW8012_INTERRUPT_ON        FALLING
 
+// ----------------------------------------------------------------------------------------
+//  Power strip 15A - 3 Sockets + 3 USB ports 
+//  This device uses just one digital button (main one). All other three buttons are connected 
+//  to the ADC pin via resistors with different values. This approach is known under the name of
+//  "Resistor Ladder" - https://en.wikipedia.org/wiki/Resistor_ladder
+//  https://www.amazon.de/-/en/gp/product/B085XXCPRD
+// ----------------------------------------------------------------------------------------
+
+#elif defined(GOSUND_P1)
+
+    // Info
+    #define MANUFACTURER                "GOSUND"
+    #define DEVICE                      "P1"
+
+    
+    //Enable this to view buttons analog level.
+    //#define ANALOG_SUPPORT                1
+
+    // Disable UART noise
+    #define DEBUG_SERIAL_SUPPORT            0
+
+    // Buttons
+    #define BUTTON_PROVIDER_ANALOG_SUPPORT  1
+    #define BUTTON1_PIN                     16
+    #define BUTTON1_CONFIG                  BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define BUTTON1_RELAY                   4
+
+    #define BUTTON2_PIN                     17
+    #define BUTTON2_RELAY                   3
+    #define BUTTON2_PROVIDER                BUTTON_PROVIDER_ANALOG
+    #define BUTTON2_ANALOG_LEVEL            220
+
+    #define BUTTON3_PIN                     17
+    #define BUTTON3_RELAY                   2
+    #define BUTTON3_PROVIDER                BUTTON_PROVIDER_ANALOG
+    #define BUTTON3_ANALOG_LEVEL            470
+
+    #define BUTTON4_PIN                     17
+    #define BUTTON4_RELAY                   1
+    #define BUTTON4_PROVIDER                BUTTON_PROVIDER_ANALOG
+    #define BUTTON4_ANALOG_LEVEL            730
+
+    // Relays
+    #define RELAY1_PIN                      14
+    #define RELAY2_PIN                      12
+    #define RELAY3_PIN                      13
+    #define RELAY4_PIN                      5
+    #define RELAY4_TYPE                     RELAY_TYPE_INVERSE
+
+    // LEDs
+    #define LED1_PIN                        2
+    #define LED1_PIN_INVERSE                1    
+
+    // CSE7766
+    #define CSE7766_SUPPORT                 1
+    #define CSE7766_RX_PIN                  3
+
 // ----------------------------------------------------------------------------------------
 //  Homecube 16A is similar but some pins differ and it also has RGB LEDs
 //  https://www.amazon.de/gp/product/B07D7RVF56/ref=oh_aui_detailpage_o00_s01?ie=UTF8&psc=1

code/platformio.ini

@@ -873,6 +873,10 @@ src_build_flags = -DGOSUND_WS1
 extends = env:esp8266-1m-base
 src_build_flags = -DGOSUND_SP111
 
+[env:gosund-p1]
+extends = env:esp8266-1m-base
+src_build_flags = -DGOSUND_P1
+
 [env:digoo-nx-sp202]
 extends = env:esp8266-1m-base
 src_build_flags = -DDIGOO_NX_SP202