Feature/gpio host control (EHM-101)

CMakeLists.txt

@@ -70,7 +70,10 @@ if(CONFIG_ESP_HOSTED_ENABLED)
 		"${common_dir}/protobuf-c"
 		"${common_dir}/proto" )
 
-
+    if(CONFIG_ESP_HOSTED_ENABLE_GPIO_CONTROL)
+	    list(APPEND srcs "${host_dir}/port/esp/freertos/src/port_esp_hosted_host_gpio.c")
+	endif()
+
 	# cli
 	list(APPEND srcs "${common_dir}/utils/esp_hosted_cli.c")
 	list(APPEND priv_include "${common_dir}/utils")

Kconfig

@@ -1508,6 +1508,14 @@ ESP32XX_SPI_HD_CLK_FREQ_RANGE_MAX := 40
 			Enable Wi-Fi iTWT (individual Target Wake Time) APIs on Host. Using the API, Host
 			can instruct the co-processor to negotiate specific wake and sleep schedules with
 			the access point (AP) for lower power consumption.
+
+	config ESP_HOSTED_ENABLE_GPIO_CONTROL
+		bool "Enable GPIO control on co-processor"
+		default n
+		help
+			Enable RPC methods that allow the HOST MCU to configure and control GPIOs
+			on the co-processor. Leave disabled unless you really need it.
+			GPIO requests that target pins used by the active transport will be rejected.		
 
 	config ESP_HOSTED_ENABLE_DPP
 		bool "Enable Wi-Fi Easy Connect (DPP)"