hw: add support for Itead Sonoff POW R3 (#2506)

Added support for Itead Sonoff POW R3 (https://itead.cc/product/sonoff-powr3/)

This device is essentially the same as the POW R2, except:
- the relay is a normally closed type,
- the current and power ratings of the device are higher.

code/espurna/config/arduino.h

@@ -97,6 +97,7 @@
 //#define ITEAD_SONOFF_MINI
 //#define ITEAD_SONOFF_POW
 //#define ITEAD_SONOFF_POW_R2
+//#define ITEAD_SONOFF_POW_R3
 //#define ITEAD_SONOFF_RF
 //#define ITEAD_SONOFF_RFBRIDGE
 //#define ITEAD_SONOFF_S31

code/espurna/config/hardware.h

@@ -570,6 +570,34 @@
     #endif
     #define CSE7766_RX_PIN      3
 
+#elif defined(ITEAD_SONOFF_POW_R3)
+
+    // Info
+    #define MANUFACTURER        "ITEAD"
+    #define DEVICE              "SONOFF_POW_R3"
+
+    // Buttons
+    #define BUTTON1_PIN         0
+    #define BUTTON1_CONFIG      BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define BUTTON1_RELAY       1
+
+    // Relays
+    #define RELAY1_PIN          12
+    #define RELAY1_TYPE         RELAY_TYPE_INVERSE
+
+    // LEDs
+    #define LED1_PIN            13
+    #define LED1_PIN_INVERSE    1
+
+    // Disable UART noise
+    #define DEBUG_SERIAL_SUPPORT    0
+
+    // CSE7766
+    #ifndef CSE7766_SUPPORT
+    #define CSE7766_SUPPORT     1
+    #endif
+    #define CSE7766_RX_PIN      3
+
 #elif defined(ITEAD_SONOFF_DUAL)
 
     // Info

code/platformio.ini

@@ -425,6 +425,10 @@ build_src_flags = -DITEAD_SONOFF_POW
 extends = env:esp8266-1m-base
 build_src_flags = -DITEAD_SONOFF_POW_R2 -DDISABLE_POSTMORTEM_STACKDUMP
 
+[env:itead-sonoff-pow-r3]
+extends = env:esp8266-1m-base
+build_src_flags = -DITEAD_SONOFF_POW_R3 -DDISABLE_POSTMORTEM_STACKDUMP
+
 [env:itead-sonoff-dual]
 extends = env:esp8266-1m-base
 build_src_flags = -DITEAD_SONOFF_DUAL -DDISABLE_POSTMORTEM_STACKDUMP

code/platformio_ota.ini

@@ -39,6 +39,9 @@ extends = env:itead-sonoff-pow
 [env:itead-sonoff-pow-r2-ota]
 extends = env:itead-sonoff-pow-r2
 
+[env:itead-sonoff-pow-r3-ota]
+extends = env:itead-sonoff-pow-r3
+
 [env:itead-sonoff-dual-ota]
 extends = env:itead-sonoff-dual