rt-thread_esp-hosted/esp-hosted/Kconfig

config ESP_HOSTED_ENABLED
	bool
	default y if ESP_WIFI_REMOTE_ENABLED && ESP_WIFI_REMOTE_LIBRARY_HOSTED
	default n

menu "ESP-Hosted config"
	depends on ESP_HOSTED_ENABLED

	choice ESP_HOST_INTERFACE
		bool "Transport layer"
		default ESP_SDIO_HOST_INTERFACE if IDF_TARGET_ESP32
		default ESP_SDIO_HOST_INTERFACE if IDF_TARGET_ESP32P4
		default ESP_SPI_HOST_INTERFACE
		help
			Bus interface to be used for communication with the host

		config ESP_SPI_HOST_INTERFACE
			bool "SPI Full-duplex"
			help
				Enable/Disable SPI Full-duplex host interface

		config ESP_SDIO_HOST_INTERFACE
			bool "SDIO"
				depends on IDF_TARGET_ESP32 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32P4
			help
				Enable/Disable SDIO host interface

		# SPI Half Duplex is not supported in ESP32
		config ESP_SPI_HD_HOST_INTERFACE
			depends on !IDF_TARGET_ESP32
			bool "SPI Half-duplex"
			help
				Enable/Disable SPI Half-duplex host interface

		config ESP_UART_HOST_INTERFACE
			bool "UART"
			help
				Enable/Disable UART host interface
	endchoice

	choice ESP_HOSTED_SLAVE_CHIPSET_USED
		bool "Slave chipset to be used"
		default SLAVE_CHIPSET_ESP32C6

		config SLAVE_CHIPSET_ESP32
			depends on ESP_SPI_HOST_INTERFACE || ESP_SDIO_HOST_INTERFACE || ESP_UART_HOST_INTERFACE
			bool "Slave as ESP32"

		config SLAVE_CHIPSET_ESP32S2
			depends on ESP_SPI_HOST_INTERFACE || ESP_SPI_HD_HOST_INTERFACE || ESP_UART_HOST_INTERFACE
			bool "Slave as ESP32S2"

		config SLAVE_CHIPSET_ESP32S3
			depends on ESP_SPI_HOST_INTERFACE || ESP_SPI_HD_HOST_INTERFACE || ESP_UART_HOST_INTERFACE
			bool "Slave as ESP32S3"

		config SLAVE_CHIPSET_ESP32C2
			depends on ESP_SPI_HOST_INTERFACE || ESP_SPI_HD_HOST_INTERFACE || ESP_UART_HOST_INTERFACE
			bool "Slave as ESP32C2"

		config SLAVE_CHIPSET_ESP32C3
			depends on ESP_SPI_HOST_INTERFACE || ESP_SPI_HD_HOST_INTERFACE || ESP_UART_HOST_INTERFACE
			bool "Slave as ESP32C3"

		config SLAVE_CHIPSET_ESP32C6
			depends on ESP_SPI_HOST_INTERFACE || ESP_SDIO_HOST_INTERFACE || ESP_SPI_HD_HOST_INTERFACE || ESP_UART_HOST_INTERFACE
			bool "Slave as ESP32C6"

		config SLAVE_CHIPSET_ESP32C5
			depends on ESP_SPI_HOST_INTERFACE || ESP_SPI_HD_HOST_INTERFACE || ESP_UART_HOST_INTERFACE
			bool "Slave as ESP32C5"
	endchoice

	config IDF_SLAVE_TARGET
		string
		default "esp32" if SLAVE_CHIPSET_ESP32
		default "esp32s2" if SLAVE_CHIPSET_ESP32S2
		default "esp32s3" if SLAVE_CHIPSET_ESP32S3
		default "esp32c2" if SLAVE_CHIPSET_ESP32C2
		default "esp32c3" if SLAVE_CHIPSET_ESP32C3
		default "esp32c6" if SLAVE_CHIPSET_ESP32C6
		default "esp32c5" if SLAVE_CHIPSET_ESP32C5
		default "invalid"

	menu "Task defaults"
		config ESP_RPC_TASK_STACK
			int "RPC task stack size"
			default 4096

		config ESP_DFLT_TASK_STACK
			int "Hosted default task size"
			default 3072
	endmenu

	menu "SPI Configuration"
		depends on ESP_SPI_HOST_INTERFACE

		choice ESP_SPI_PRIV_MODE_ESP32
			depends on SLAVE_CHIPSET_ESP32
			bool "Host SPI mode"
			default ESP_SPI_PRIV_MODE_2_ESP32

			config ESP_SPI_PRIV_MODE_0_ESP32
				bool "Host SPI mode 0"

			config ESP_SPI_PRIV_MODE_1_ESP32
				bool "Host SPI mode 1"

			config ESP_SPI_PRIV_MODE_2_ESP32
				bool "Host SPI mode 2"

			config ESP_SPI_PRIV_MODE_3_ESP32
				bool "Host SPI mode 3"
		endchoice

		choice ESP_SPI_PRIV_MODE_ESP32XX
			depends on !SLAVE_CHIPSET_ESP32
			bool "Host SPI mode"
			default ESP_SPI_PRIV_MODE_3_ESP32XX

			config ESP_SPI_PRIV_MODE_0_ESP32XX
				bool "Host  SPI mode 0"

			config ESP_SPI_PRIV_MODE_1_ESP32XX
				bool "Host  SPI mode 1"

			config ESP_SPI_PRIV_MODE_2_ESP32XX
				bool "Host  SPI mode 2"

			config ESP_SPI_PRIV_MODE_3_ESP32XX
				bool "Host  SPI mode 3"
		endchoice

		config ESP_SPI_MODE
			int
			default 0 if ESP_SPI_PRIV_MODE_0_ESP32
			default 1 if ESP_SPI_PRIV_MODE_1_ESP32
			default 2 if ESP_SPI_PRIV_MODE_2_ESP32
			default 3 if ESP_SPI_PRIV_MODE_3_ESP32
			default 0 if ESP_SPI_PRIV_MODE_0_ESP32XX
			default 1 if ESP_SPI_PRIV_MODE_1_ESP32XX
			default 2 if ESP_SPI_PRIV_MODE_2_ESP32XX
			default 3 if ESP_SPI_PRIV_MODE_3_ESP32XX

		choice SPI_CONTROLLER
			bool "Host SPI controller to use"
			default SPI_HSPI

			config SPI_HSPI
				bool "HSPI/FSPI"
				help
					"HSPI/FSPI: SPI_controller_1"

			config SPI_VSPI
				depends on IDF_TARGET_ESP32
				bool "VSPI"
				help
					"VSPI: SPI_controller_2"

		endchoice

		config ESP_SPI_CONTROLLER
			int
			default 2 if SPI_VSPI
			default 1

		menu "Host SPI GPIOs Config"

			choice SPI_HANDSHAKE_GPIO_CONFIG
				bool "Handshake GPIO Config"
				default HS_ACTIVE_HIGH

				config HS_ACTIVE_HIGH
					bool "HS: Active High"
				config HS_ACTIVE_LOW
					bool "HS: Active Low"
			endchoice

			choice SPI_DATAREADY__GPIO_CONFIG
				bool "DataReady GPIO Config"
				default DR_ACTIVE_HIGH

				config DR_ACTIVE_HIGH
					bool "DR: Active High"
				config DR_ACTIVE_LOW
					bool "DR: Active Low"
			endchoice

			config ESP_SPI_HSPI_GPIO_MOSI
				depends on SPI_HSPI
				int "GPIO pin for Host MOSI"
				default 14 if IDF_TARGET_ESP32P4 && SLAVE_CHIPSET_ESP32C6
				default 13 if IDF_TARGET_ESP32
				default 11 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
				default 7
				help
					SPI controller Host MOSI

			config ESP_SPI_HSPI_GPIO_MISO
				depends on SPI_HSPI
				int "GPIO pin for Host MISO"
				default 15 if IDF_TARGET_ESP32P4 && SLAVE_CHIPSET_ESP32C6
				default 12 if IDF_TARGET_ESP32
				default 13 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
				default 2
				help
					SPI controller Host MISO

			config ESP_SPI_HSPI_GPIO_CLK
				depends on SPI_HSPI
				int "GPIO pin for Host CLK"
				default 18 if IDF_TARGET_ESP32P4 && SLAVE_CHIPSET_ESP32C6
				default 14 if IDF_TARGET_ESP32
				default 12 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
				default 6
				help
					SPI controller Host CLK

			config ESP_SPI_HSPI_GPIO_CS
				depends on SPI_HSPI
				int "GPIO pin for Host  CS"
				default 19 if IDF_TARGET_ESP32P4 && SLAVE_CHIPSET_ESP32C6
				default 15 if IDF_TARGET_ESP32
				default 10 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
				default 10
				help
					SPI controller Host CS

			config ESP_SPI_VSPI_GPIO_MOSI
				depends on SPI_VSPI
				int "GPIO pin for Host MOSI"
				default 23
				help
					SPI controller Host MOSI

			config ESP_SPI_VSPI_GPIO_MISO
				depends on SPI_VSPI
				int "GPIO pin for Host MISO"
				default 19
				help
					SPI controller Host MISO

			config ESP_SPI_VSPI_GPIO_CLK
				depends on SPI_VSPI
				int "GPIO pin for Host CLK"
				default 18
				help
					SPI controller Host CLK

			config ESP_SPI_VSPI_GPIO_CS
				depends on SPI_VSPI
				int "GPIO pin for Host CS"
				default 5
				help
					SPI controller Host CS

			config ESP_SPI_GPIO_MOSI
				int
				default ESP_SPI_VSPI_GPIO_MOSI if SPI_VSPI
				default ESP_SPI_HSPI_GPIO_MOSI

			config ESP_SPI_GPIO_MISO
				int
				default ESP_SPI_VSPI_GPIO_MISO if SPI_VSPI
				default ESP_SPI_HSPI_GPIO_MISO

			config ESP_SPI_GPIO_CLK
				int
				default ESP_SPI_VSPI_GPIO_CLK if SPI_VSPI
				default ESP_SPI_HSPI_GPIO_CLK

			config ESP_SPI_GPIO_CS
				int
				default ESP_SPI_VSPI_GPIO_CS if SPI_VSPI
				default ESP_SPI_HSPI_GPIO_CS

			config ESP_SPI_GPIO_HANDSHAKE
				int "GPIO pin for handshake"
				default 16 if IDF_TARGET_ESP32P4 && SLAVE_CHIPSET_ESP32C6
				default 3 if IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6
				default 17 if IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32S2
				default 26
				help
					GPIO pin to use for handshake with other spi controller

			config ESP_SPI_GPIO_DATA_READY
				int "GPIO pin for data ready interrupt"
				default 17 if IDF_TARGET_ESP32P4 && SLAVE_CHIPSET_ESP32C6
				default 4
				help
					GPIO pin for indicating host that SPI slave has data to be read by host

			config ESP_SPI_GPIO_RESET_SLAVE
				int "GPIO pin for Reseting slave ESP"
				default 54 if IDF_TARGET_ESP32P4 && SLAVE_CHIPSET_ESP32C6
				default 5
				help
					GPIO pin for Resetting ESP SPI slave device. Should be connected to RST/EN of ESP SPI slave device.
		endmenu

ESP32XX_SPI_CLK_FREQ_RANGE_MIN := 1
ESP32_SPI_CLK_FREQ_RANGE_MAX := 10
ESP32C6_SPI_CLK_FREQ_RANGE_MAX := 26
ESP32XX_SPI_CLK_FREQ_RANGE_MAX := 40

	config ESP_SPI_FREQ_ESP32
		depends on SLAVE_CHIPSET_ESP32
		int "SPI Clock Freq (MHz)"
		default 10
		range $(ESP32XX_SPI_CLK_FREQ_RANGE_MIN) $(ESP32_SPI_CLK_FREQ_RANGE_MAX)
		help
			"Optimize SPI CLK by increasing till host practically can support"

	config ESP_SPI_FREQ_ESP32C6
		depends on SLAVE_CHIPSET_ESP32C6
		int "SPI Clock Freq (MHz)"
		default 10 if IDF_TARGET_ESP32P4 && SLAVE_CHIPSET_ESP32C6
		default 26
		range $(ESP32XX_SPI_CLK_FREQ_RANGE_MIN) $(ESP32C6_SPI_CLK_FREQ_RANGE_MAX)
		help
			"Optimize SPI CLK by increasing till host practically can support"

	config ESP_SPI_FREQ_ESP32XX
		depends on SLAVE_CHIPSET_ESP32C2 || SLAVE_CHIPSET_ESP32C3 || SLAVE_CHIPSET_ESP32S2 || SLAVE_CHIPSET_ESP32S3 || SLAVE_CHIPSET_ESP32C5
		int "SPI Clock Freq"
		default 30 if SLAVE_CHIPSET_ESP32C2 || SLAVE_CHIPSET_ESP32C3 || SLAVE_CHIPSET_ESP32S2 || SLAVE_CHIPSET_ESP32S3 || SLAVE_CHIPSET_ESP32C5
		range $(ESP32XX_SPI_CLK_FREQ_RANGE_MIN) $(ESP32XX_SPI_CLK_FREQ_RANGE_MAX)
		help
			"Optimize SPI CLK by increasing till host practically can support"

	config ESP_SPI_CLK_FREQ
		int
		default ESP_SPI_FREQ_ESP32 if SLAVE_CHIPSET_ESP32
		default ESP_SPI_FREQ_ESP32C6 if SLAVE_CHIPSET_ESP32C6
		default ESP_SPI_FREQ_ESP32XX if SLAVE_CHIPSET_ESP32C2 || SLAVE_CHIPSET_ESP32C3 || SLAVE_CHIPSET_ESP32S2 || SLAVE_CHIPSET_ESP32S3 || SLAVE_CHIPSET_ESP32C5
		help
			"Optimize SPI CLK by increasing till host practically can support"

		config ESP_SPI_TX_Q_SIZE
			int "ESP to Host SPI queue size"
			default 20
			help
				Very small tx queue will lower ESP -- SPI --> Host data rate

		config ESP_SPI_RX_Q_SIZE
			int "Host to ESP SPI queue size"
			default 20
			help
				Very small RX queue will lower ESP <-- SPI -- Host data rate

	endmenu

		menu "Hosted SDIO Configuration"
			depends on ESP_SDIO_HOST_INTERFACE

			choice SDIO_RESET_GPIO_CONFIG
				bool "RESET GPIO Config"
				default SDIO_RESET_ACTIVE_HIGH
				help
					"If Active High, High->Low->High will trigger reset (Low will trigger reset)
					 If Active Low, Low->High->Low will trigger reset (High will trigger reset)"

				config SDIO_RESET_ACTIVE_HIGH
					bool "RESET: Active High"
				config SDIO_RESET_ACTIVE_LOW
					bool "RESET: Active Low"
			endchoice

			choice ESP_SDIO_RX_OPTIMIZATION
				bool "SDIO Receive Optimization"
				default ESP_SDIO_OPTIMIZATION_RX_STREAMING_MODE

				config ESP_SDIO_OPTIMIZATION_RX_NONE
					bool "No optimization"
					help
						Use SDIO as is, with no optimizations.

				config ESP_SDIO_OPTIMIZATION_RX_MAX_SIZE
					bool "Always Rx Max Packet size"
					help
						Always read max Rx Packet Size (512 * 3 bytes). This saves one SDIO
						transaction (get Rx Packet Size) when reading data from slave by
						always transferring a fixed amount of data. Extra data at end of valid
						packet data is discarded.

				config ESP_SDIO_OPTIMIZATION_RX_STREAMING_MODE
					bool "Use Streaming Mode"
					help
						Receive a stream of queued data from the slave, made up of one or more
						packets of data. Host extracts packets from the stream. This improves
						SDIO read performance by doing one large read transaction instead of
						many smaller read transactions for each packet.
						(Note: requires slave to support streaming mode.)

				endchoice

			config ESP_SDIO_GPIO_RESET_SLAVE
				int "GPIO pin for Reseting slave ESP"
				default 54 if IDF_TARGET_ESP32P4
				default 42 if IDF_TARGET_ESP32S3
				default 5
				help
					GPIO pin for Resetting ESP SDIO slave device. Should be connected to RST/EN of ESP SDIO slave device.

			choice
				prompt "SDIO Bus Width"
				default ESP_SDIO_4_BIT_BUS
				help
					Select the SDIO Bus Width to use

				config ESP_SDIO_4_BIT_BUS
					bool "4 Bits"

				config ESP_SDIO_1_BIT_BUS
					bool "1 Bit"
			endchoice

			config ESP_SDIO_BUS_WIDTH
				int
				default 1 if ESP_SDIO_1_BIT_BUS
				default 4

ESP32_SDIO_CLK_FREQ_KHZ_RANGE_MIN := 400
ESP32_SDIO_CLK_FREQ_KHZ_RANGE_MAX := 40000
ESP32XX_SDIO_CLK_FREQ_KHZ_RANGE_MIN := 400
ESP32XX_SDIO_CLK_FREQ_KHZ_RANGE_MAX := 80000

			config ESP_SDIO_CLOCK_FREQ_KHZ
				int "SDIO Clock Freq (in kHz)"
				default 40000
				range $(ESP32_SDIO_CLK_FREQ_KHZ_RANGE_MIN) $(ESP32_SDIO_CLK_FREQ_KHZ_RANGE_MAX) if IDF_TARGET_ESP32
				range $(ESP32XX_SDIO_CLK_FREQ_KHZ_RANGE_MIN) $(ESP32XX_SDIO_CLK_FREQ_KHZ_RANGE_MAX) if IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32P4
				help
					"Optimize SDIO CLK by increasing till host practically can support"

			config ESP_SDIO_PIN_CMD
				int "CMD GPIO number"
				default 47 if IDF_TARGET_ESP32S3
				default 19 if IDF_TARGET_ESP32P4
				range 15 15 if IDF_TARGET_ESP32
				help
					"Value can only be configured for some targets. Displayed always for reference."

			config ESP_SDIO_PIN_CLK
				int "CLK GPIO number"
				default 19 if IDF_TARGET_ESP32S3
				default 18 if IDF_TARGET_ESP32P4
				range 14 14 if IDF_TARGET_ESP32
				help
					"Value can only be configured for some targets. Displayed always for reference."

			config ESP_SDIO_PIN_D0
				int "D0 GPIO number"
				default 13 if IDF_TARGET_ESP32S3
				default 14 if IDF_TARGET_ESP32P4
				range 2 2 if IDF_TARGET_ESP32
				help
					"Value can only be configured for some targets. Displayed always for reference."

			if ESP_SDIO_4_BIT_BUS
				config ESP_SDIO_PIN_D1
					int "D1 GPIO number"
					default 35 if IDF_TARGET_ESP32S3
					default 15 if IDF_TARGET_ESP32P4
					range 4 4 if IDF_TARGET_ESP32
					help
						"Value can only be configured for some targets. Displayed always for reference."

				config ESP_SDIO_PIN_D2
					int "D2 GPIO number"
					default 20 if IDF_TARGET_ESP32S3
					default 16 if IDF_TARGET_ESP32P4
					range 12 12 if IDF_TARGET_ESP32
					help
						"Value can only be configured for some targets. Displayed always for reference."

				config ESP_SDIO_PIN_D3
					int "D3 GPIO number"
					default 9 if IDF_TARGET_ESP32S3
					default 17 if IDF_TARGET_ESP32P4
					range 13 13 if IDF_TARGET_ESP32
					help
						"Value can only be configured for some targets. Displayed always for reference."
			endif

			if !ESP_SDIO_4_BIT_BUS
				config ESP_SDIO_PIN_D1
					int "D1 GPIO number (Interrupt Line)"
					default 35 if IDF_TARGET_ESP32S3
					default 15 if IDF_TARGET_ESP32P4
					range 4 4 if IDF_TARGET_ESP32
					help
						"Value can only be configured for some targets. Displayed always for reference."
			endif


			config ESP_SDIO_TX_Q_SIZE
				int "Host SDIO Tx queue size"
				default 20
				help
					Very small tx queue will lower data rate

			config ESP_SDIO_RX_Q_SIZE
				int "Host SDIO Rx queue size"
				default 20
				help
					Very small RX queue will lower data rate

			config ESP_SDIO_CHECKSUM
				bool "SDIO checksum ENABLE/DISABLE"
				help
					ENABLE/DISABLE software SDIO checksum
		endmenu

	menu "SPI Half-duplex Configuration"
		depends on ESP_SPI_HD_HOST_INTERFACE

		config ESP_SPI_HD_MODE
			int "SPI Mode to use"
			default 3
			range 0 3
			help
				SPI Mode to use. The same mode must be used on both host and slave.

		choice ESP_SPI_HD_PRIV_INTERFACE_NUM_DATA_LINES
			bool "Num Data Lines to use"
			default ESP_SPI_HD_PRIV_INTERFACE_4_DATA_LINES
			help
				Number of Data Lines to use in the SPI HD interface

			config ESP_SPI_HD_PRIV_INTERFACE_4_DATA_LINES
				bool "4 data lines"

			config ESP_SPI_HD_PRIV_INTERFACE_2_DATA_LINES
				bool "2 data lines"
		endchoice

		config ESP_SPI_HD_INTERFACE_NUM_DATA_LINES
			int
			default 4 if ESP_SPI_HD_PRIV_INTERFACE_4_DATA_LINES
			default 2 if ESP_SPI_HD_PRIV_INTERFACE_2_DATA_LINES

		choice SPI_HD_RESET_GPIO_CONFIG
			bool "RESET GPIO Config"
			default SPI_HD_RESET_ACTIVE_HIGH
			help
				"If Active High, High->Low->High will trigger reset (Low will trigger reset)
				 If Active Low, Low->High->Low will trigger reset (High will trigger reset)"

			config SPI_HD_RESET_ACTIVE_HIGH
				bool "RESET: Active High"
			config SPI_HD_RESET_ACTIVE_LOW
				bool "RESET: Active Low"
		endchoice

		choice SPI_HD_DATAREADY_GPIO_CONFIG
			bool "DataReady GPIO Config"
			default SPI_HD_DR_ACTIVE_HIGH

			config SPI_HD_DR_ACTIVE_HIGH
				bool "DR: Active High"
			config SPI_HD_DR_ACTIVE_LOW
				bool "DR: Active Low"
		endchoice

		menu "Host GPIOs Config"
			config ESP_SPI_HD_GPIO_CS
				int "GPIO pin for Host CS"
				default 10 if IDF_TARGET_ESP32S3
				default 19 if IDF_TARGET_ESP32P4
				default 15
				help
					SPI Half-duplex controller Host CS

			config ESP_SPI_HD_GPIO_CLK
				int "GPIO pin for Host CLK"
				default 12 if IDF_TARGET_ESP32S3
				default 18 if IDF_TARGET_ESP32P4
				default 18
				help
					SPI Half-duplex controller Host CLK

			config ESP_SPI_HD_GPIO_D0
				int "GPIO pin for Host D0"
				default 11 if IDF_TARGET_ESP32S3
				default 14 if IDF_TARGET_ESP32P4
				default 2
				help
					SPI Half-duplex controller Host D0

			config ESP_SPI_HD_GPIO_D1
				int "GPIO pin for Host D1"
				default 13 if IDF_TARGET_ESP32S3
				default 15 if IDF_TARGET_ESP32P4
				default 4
				help
					SPI Half-duplex controller Host D1

			config ESP_SPI_HD_GPIO_D2
				depends on ESP_SPI_HD_PRIV_INTERFACE_4_DATA_LINES
				int "GPIO pin for Host D2"
				default 14 if IDF_TARGET_ESP32S3
				default 16 if IDF_TARGET_ESP32P4
				default 12
				help
					SPI Half-duplex controller Host D2

			config ESP_SPI_HD_GPIO_D3
				depends on ESP_SPI_HD_PRIV_INTERFACE_4_DATA_LINES
				int "GPIO pin for Host D3"
				default 9 if IDF_TARGET_ESP32S3
				default 17 if IDF_TARGET_ESP32P4
				default 13
				help
					SPI Half-duplex controller Host D3

			config ESP_SPI_HD_GPIO_DATA_READY
				int "GPIO pin for data ready interrupt"
				default 4 if IDF_TARGET_ESP32S3
				default 6 if IDF_TARGET_ESP32P4
				default 8
				help
					GPIO pin for indicating host that slave has data to be read by host

			config ESP_SPI_HD_GPIO_RESET_SLAVE
				int "GPIO pin for Reseting slave ESP"
				default 5 if IDF_TARGET_ESP32S3
				default 54 if IDF_TARGET_ESP32P4 && SLAVE_CHIPSET_ESP32C6
				default 5
				help
					GPIO pin for Resetting ESP slave device. Should be connected to RST/EN of ESP SPI slave device.
		endmenu

ESP32XX_SPI_HD_CLK_FREQ_RANGE_MIN := 1
ESP32_SPI_HD_CLK_FREQ_RANGE_MAX := 10
ESP32C6_SPI_HD_CLK_FREQ_RANGE_MAX := 40
ESP32XX_SPI_HD_CLK_FREQ_RANGE_MAX := 40

		config ESP_SPI_HD_FREQ_ESP32C6
			depends on SLAVE_CHIPSET_ESP32C6
			int "SPI HD Clock Freq (MHz)"
			default 10
			range $(ESP32XX_SPI_HD_CLK_FREQ_RANGE_MIN) $(ESP32C6_SPI_HD_CLK_FREQ_RANGE_MAX)
			help
				"Optimize CLK by increasing till host practically can support"

		config ESP_SPI_HD_FREQ_ESP32XX
			depends on SLAVE_CHIPSET_ESP32C2 || SLAVE_CHIPSET_ESP32C3 || SLAVE_CHIPSET_ESP32S2 || SLAVE_CHIPSET_ESP32S3 || SLAVE_CHIPSET_ESP32C5
			int "SPI HD Clock Freq (MHz)"
			default 10 if SLAVE_CHIPSET_ESP32C2 || SLAVE_CHIPSET_ESP32C3 || SLAVE_CHIPSET_ESP32S2 || SLAVE_CHIPSET_ESP32S3 || SLAVE_CHIPSET_ESP32C5
			range $(ESP32XX_SPI_HD_CLK_FREQ_RANGE_MIN) $(ESP32XX_SPI_HD_CLK_FREQ_RANGE_MAX)
			help
				"Optimize CLK by increasing till host practically can support"

		config ESP_SPI_HD_CLK_FREQ
			int
			default ESP_SPI_HD_FREQ_ESP32C6 if SLAVE_CHIPSET_ESP32C6
			default ESP_SPI_HD_FREQ_ESP32XX if SLAVE_CHIPSET_ESP32C2 || SLAVE_CHIPSET_ESP32C3 || SLAVE_CHIPSET_ESP32S2 || SLAVE_CHIPSET_ESP32S3 || SLAVE_CHIPSET_ESP32C5
			help
				"Optimize CLK by increasing till host practically can support"

		config ESP_SPI_HD_TX_Q_SIZE
			int "ESP to Host queue size"
			default 20
			help
				Very small tx queue will lower ESP -- SPI Half-duplex --> Host data rate

		config ESP_SPI_HD_RX_Q_SIZE
			int "Host to ESP queue size"
			default 20
			help
				Very small RX queue will lower ESP <-- SPI Half-duplex -- Host data rate

		config ESP_SPI_HD_CHECKSUM
				bool "Checksum ENABLE/DISABLE"
				default y
				help
					ENABLE/DISABLE software checksum
	endmenu

	menu "UART Configuration"
		depends on ESP_UART_HOST_INTERFACE

		choice ESP_UART_RESET_GPIO_CONFIG
			bool "RESET GPIO Config"
			default ESP_UART_RESET_ACTIVE_HIGH
			help
				"If Active High, High->Low->High will trigger reset (Low will trigger reset)
				 If Active Low, Low->High->Low will trigger reset (High will trigger reset)"

			config ESP_UART_RESET_ACTIVE_HIGH
				bool "RESET: Active High"
			config ESP_UART_RESET_ACTIVE_LOW
				bool "RESET: Active Low"
		endchoice

		config ESP_UART_PORT
			int "UART Port to Use"
			default 1
			range 0 2 if IDF_TARGET_ESP32
			range 0 1 if IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C5 || IDF_TARGET_ESP32C6
			range 0 2 if IDF_TARGET_ESP32C61
			range 0 1 if IDF_TARGET_ESP32S2
			range 0 2 if IDF_TARGET_ESP32S3
			range 0 4 if IDF_TARGET_ESP32P4
			help
				Select UART Port to Use. Do not select the UART Port used for console output (if enabled)

		config ESP_UART_PIN_TX
			int "TX GPIO number"
			default 13 if IDF_TARGET_ESP32
			default 5 if IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32C3
			default 14 if IDF_TARGET_ESP32C5
			default 21 if IDF_TARGET_ESP32C6
			default 5 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
			default 14 if IDF_TARGET_ESP32P4
			help
				GPIO used for UART TX

		config ESP_UART_PIN_RX
			int "RX GPIO number"
			default 12 if IDF_TARGET_ESP32
			default 4 if IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32C3
			default 13 if IDF_TARGET_ESP32C5
			default 20 if IDF_TARGET_ESP32C6
			default 4 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
			default 15 if IDF_TARGET_ESP32P4
			help
				GPIO used for UART RX

		config ESP_UART_BAUDRATE
			int "Baud Rate"
			default 921600
			range 9600 3500000
			help
				Baud Rate to Use. Make sure Hardware supports the rate. Standard rates are 9600, 19200, 38400, 57600, 115200, 460800, 921600

		config ESP_UART_NUM_DATA_BITS
			int "Number of Data Bits"
			default 8
			range 5 8
			help
				Number of Data Bits to use

		choice ESP_UART_PRIV_PARITY
			bool "Parity"

			config ESP_UART_PRIV_PARITY_NONE
				bool "None"

			config ESP_UART_PRIV_PARITY_EVEN
				bool "Even"

			config ESP_UART_PRIV_PARITY_ODD
				bool "Odd"
		endchoice

		config ESP_UART_PARITY
			int
			default 0 if ESP_UART_PRIV_PARITY_NONE
			default 1 if ESP_UART_PRIV_PARITY_EVEN
			default 2 if ESP_UART_PRIV_PARITY_ODD

		choice ESP_UART_PRIV_STOP_BITS
			bool "Number of Stop Bits"

			config ESP_UART_PRIV_STOP_BITS_1
				bool "1"

			config ESP_UART_PRIV_STOP_BITS_1_5
				bool "1.5"

			config ESP_UART_PRIV_STOP_BITS_2
				bool "2"
		endchoice

		config ESP_UART_STOP_BITS
			int
			default 0 if ESP_UART_PRIV_STOP_BITS_1
			default 1 if ESP_UART_PRIV_STOP_BITS_1_5
			default 2 if ESP_UART_PRIV_STOP_BITS_2

		config ESP_UART_GPIO_RESET_SLAVE
			int "GPIO pin for Reseting slave ESP"
			default 54 if IDF_TARGET_ESP32P4
			default 42 if IDF_TARGET_ESP32S3
			default 5
			help
				GPIO pin for Resetting ESP SDIO slave device. Should be connected to RST/EN of ESP SDIO slave device.

		config ESP_UART_TX_Q_SIZE
			int "Tx Queue Size"
			default 5
			help
				UART rates are low, so large queue sizes are not required

		config ESP_UART_RX_Q_SIZE
			int "Rx Queue Size"
			default 5
			help
				UART rates are low, so large queue sizes are not required

		config ESP_UART_CHECKSUM
			bool "UART checksum ENABLE/DISABLE"
			default y
			help
				ENABLE/DISABLE software UART checksum
	endmenu

		config ESP_GPIO_SLAVE_RESET_SLAVE
			int
			default ESP_SPI_GPIO_RESET_SLAVE if ESP_SPI_HOST_INTERFACE
			default ESP_SDIO_GPIO_RESET_SLAVE if ESP_SDIO_HOST_INTERFACE
			default ESP_SPI_HD_GPIO_RESET_SLAVE if ESP_SPI_HD_HOST_INTERFACE
			default ESP_UART_GPIO_RESET_SLAVE if ESP_UART_HOST_INTERFACE

		config RESET_GPIO_ACTIVE_LOW
			bool
			default n if SDIO_RESET_ACTIVE_HIGH || SPI_RESET_ACTIVE_HIGH || SPI_HD_RESET_ACTIVE_HIGH || ESP_UART_RESET_ACTIVE_HIGH
			default y if SDIO_RESET_ACTIVE_LOW || SPI_RESET_ACTIVE_LOW || SPI_HD_RESET_ACTIVE_LOW || ESP_UART_RESET_ACTIVE_LOW

	menu "Bluetooth Support"

		comment "Following options must be set before this option can be enabled"
			depends on !BT_ENABLED || BT_CONTROLLER_ONLY || (BT_NIMBLE_ENABLED && (BT_NIMBLE_TRANSPORT_UART || BT_CONTROLLER_ENABLED)) || (BT_BLUEDROID_ENABLED && BT_CONTROLLER_ENABLED)

		comment "'Component config->Bluetooth' must be enabled"
			depends on !BT_ENABLED

		comment "'Component config->Bluetooth->Host' must be enabled"
			depends on BT_ENABLED && BT_CONTROLLER_ONLY

		comment "'Component config->Bluetooth->Controller' must be disabled"
			depends on BT_ENABLED && BT_CONTROLLER_ENABLED

		comment "'Component config->Bluetooth->NimBLE Options->Host-controller Transport->Uart Transport' must be disabled"
			depends on BT_NIMBLE_ENABLED && BT_NIMBLE_TRANSPORT_UART

		if BT_ENABLED && BT_BLUEDROID_ENABLED && !BT_CONTROLLER_ENABLED
			config ESP_ENABLE_BT_BLUEDROID
				bool "Enable Hosted Bluedroid Bluetooth support"
				default n
				help
					Enable Bluetooth Support for Bluedroid via Hosted

			choice ESP_BLUEDROID_HCI_TYPE
				bool "BT Bluedroid HCI Type"
				default ESP_BLUEDROID_HCI_VHCI
				depends on ESP_ENABLE_BT_BLUEDROID
				help
					Selects the HCI to use

				config ESP_BLUEDROID_HCI_VHCI
					bool "VHCI"
					help
						Bluetooth data is sent through the selected transport layer
			endchoice
		endif

		if BT_ENABLED && BT_NIMBLE_ENABLED && !BT_CONTROLLER_ENABLED && !BT_NIMBLE_TRANSPORT_UART
			config ESP_ENABLE_BT_NIMBLE
				bool "Enable Hosted Nimble Bluetooth support"
				default n
				help
					Enable Bluetooth Support via Hosted

			choice ESP_NIMBLE_HCI_TYPE
				bool "BT Nimble HCI Type"
				default ESP_NIMBLE_HCI_VHCI
				depends on ESP_ENABLE_BT_NIMBLE
				help
					Selects the HCI to use

				config ESP_NIMBLE_HCI_VHCI
					bool "VHCI"
					help
						Bluetooth data is sent through the selected transport layer
			endchoice
		endif
	endmenu

	config ESP_USE_MEMPOOL
		bool "Cache allocated memory like mempool - helps to reduce malloc calls"
		default y
		help
			Cache allocated memory - reduces number of malloc calls

	config ESP_MAX_SIMULTANEOUS_SYNC_RPC_REQUESTS
		int "Maximum number of simultaneous synchronous RPC Request"
		default 5
		help
			Sets the maximum number of simultaneous synchronous RPC Requests.
			(Synchronous RPC Request: each sending task waits for the response.)
			Usually, the host application may send up to 3 simultaneous RPC requests to the slave.
			Increase this number if you need to send more simultaneous RPC requests.
			Note: the slave will only process one RPC request (sync and async) at a time

	config ESP_MAX_SIMULTANEOUS_ASYNC_RPC_REQUESTS
		int "Maximum number of simultaneous asynchronous RPC Request"
		default 5
		help
			Sets the maximum number of simultaneous asynchronous RPC Requests.
			(Asynchronous RPC Request: each sending task registers a callback to get the response.)
			Usually, the host application may send up to 3 simultaneous RPC requests to the slave.
			Increase this number if you need to send more simultaneous RPC requests.
			Note: the slave will only process one RPC request (sync and async) at a time

	menu "Debug Settings"

		config ESP_RAW_THROUGHPUT_TRANSPORT
			bool "RawTP: Transport level throughput debug test"
			default n
				help
					Find max transport performance which helps to assess stability of porting done

		choice ESP_RAW_THROUGHPUT_DIRECTION
			bool "RawTP: Send data from:"
			depends on ESP_RAW_THROUGHPUT_TRANSPORT

			config ESP_RAW_THROUGHPUT_TX_TO_SLAVE
				bool "Host to Slave"
				help
					Sends data from Host to Slave

			config ESP_RAW_THROUGHPUT_RX_FROM_SLAVE
				bool "Slave to Host"
				help
					Sends data from Slave to Slave

			config ESP_RAW_THROUGHPUT_BIDIRECTIONAL
				bool "Bidirectional"
				help
					Sends data in both directions
		endchoice

		config ESP_RAW_TP_HOST_TO_ESP_PKT_LEN
			depends on ESP_RAW_THROUGHPUT_TRANSPORT
			int "RawTP: Host to ESP packet size"
			range 1 1500
			default 1460

		config ESP_RAW_TP_REPORT_INTERVAL
			depends on ESP_RAW_THROUGHPUT_TRANSPORT
			int "RawTP: periodic duration to report stats accumulated"
			default 5

		config ESP_PKT_STATS
			bool "Transport level packet stats"
			default n
			help
				On comparing with slave packet stats helps to understand any packet loss at hosted

	endmenu

	menu "Data path options"
		config HOST_TO_ESP_WIFI_DATA_THROTTLE
			bool "Report WiFi queue utilization to host"
			default y
			help
				Proactively drop Host->slave Wi-Fi data when Slave Wi-Fi is under load
				Slave Wi-Fi may drop ingress bursty or higher than capacity packets.
				To have synchronous way of packet dropped for application,
				Host will throttle incoming data if the slave datapath Rx load is high

		config PRIV_WIFI_TX_SPI_HIGH_THRESHOLD
			depends on HOST_TO_ESP_WIFI_DATA_THROTTLE && ESP_SPI_HOST_INTERFACE
			int "High threshold to report host to drop data when wifi highly loaded"
			range 0 100
			default 90
			help
				Host will throttle incoming data if the slave datapath Rx load goes beyond this threshold
				0 value will disable this function

		config PRIV_WIFI_TX_SDIO_HIGH_THRESHOLD
			depends on HOST_TO_ESP_WIFI_DATA_THROTTLE && ESP_SDIO_HOST_INTERFACE
			int "High threshold to report host to drop data when wifi highly loaded"
			range 0 100
			default 80
			help
				Host will throttle incoming data if the slave datapath Rx load goes beyond this threshold
				0 value will disable this function

		config PRIV_WIFI_TX_SPI_HD_HIGH_THRESHOLD
			depends on HOST_TO_ESP_WIFI_DATA_THROTTLE && ESP_SPI_HD_HOST_INTERFACE
			int "High threshold to report host to drop data when wifi highly loaded"
			range 0 100
			default 80
			help
				Host will throttle incoming data if the slave datapath Rx load goes beyond this threshold
				0 value will disable this function

		config PRIV_WIFI_TX_UART_HIGH_THRESHOLD
			depends on HOST_TO_ESP_WIFI_DATA_THROTTLE && ESP_UART_HOST_INTERFACE
			int "High threshold to report host to drop data when wifi highly loaded"
			range 0 100
			default 80
			help
				Host will throttle incoming data if the slave datapath Rx load goes beyond this threshold
				0 value will disable this function

		config TO_WIFI_DATA_THROTTLE_HIGH_THRESHOLD
			depends on HOST_TO_ESP_WIFI_DATA_THROTTLE
			int
			default PRIV_WIFI_TX_SPI_HIGH_THRESHOLD if ESP_SPI_HOST_INTERFACE
			default PRIV_WIFI_TX_SDIO_HIGH_THRESHOLD if ESP_SDIO_HOST_INTERFACE
			default PRIV_WIFI_TX_SPI_HD_HIGH_THRESHOLD if ESP_SPI_HD_HOST_INTERFACE
			default PRIV_WIFI_TX_UART_HIGH_THRESHOLD if ESP_UART_HOST_INTERFACE

		config TO_WIFI_DATA_THROTTLE_LOW_THRESHOLD
			depends on HOST_TO_ESP_WIFI_DATA_THROTTLE
			int "Low threshold to report host to stop dropping data"
			range 0 TO_WIFI_DATA_THROTTLE_HIGH_THRESHOLD
			default 60
			help
				Once the Wi-Fi is no more stressed, data throttling would be stopped, once slave Wi-Fi load
				is lower than this threshold
	endmenu
endmenu