mainmenu "AVR-IOE configuration"

config IOEROOT
	string
	option env="IOEROOT"
source "$IOEROOT/include/mcu/Kconfig"

config F_CPU
	int "CPU frequency in kHz (F_CPU)"
	default 16000

# Toolchain #####################################################################

menu "Compilation options"

config GNUTOOLCHAIN_PREFIX
	string "GNU Toolchain prefix"
	default "avr-"

config CONFCFLAGS
	string "Compilation CFlags"
	default "-Os -ffunction-sections -fdata-sections -fshort-enums -Wall"

endmenu

# Error handling ################################################################

config CONFIG_ERRORS
	bool "Errors support"
	default y

if CONFIG_ERRORS

menu "Errors handling"

config CONFIG_EH_RESTART
	bool "Restart MCU on error detection"
	default y

config CONFIG_EH_MEMORY
	bool "(TODO) Write error code and possible stack trase to EEPROM"
	default n

config CONFIG_EH_LED
	bool "Signal error detection by LED"
	depends on CONFIG_IOPORTS
	default n

config CONFIG_EH_LED_IOPIN
	string "Error detection led output pin"
	depends on CONFIG_EH_LED
	default "IO_B0"
	---help---
	Specifies IO pin which will be pulled up on error detection.
	This string should be valid IO port (for example "IO_B0") or pair of group
	mask divided by comma (for example "IO_B, _BV(0)").

config CONFIG_EH_USART
	bool "Send error informations by UART"
	depends on CONFIG_USART && CONFIG_USART_OUTPUT_BUFFER
	default n

endmenu

config CONFIG_CHECK_ARGUMENTS
	bool "Check arguments for all functions in library"
	default n

endif

# IO Ports ######################################################################

config MCUSUPPORT_IOPORTS
	bool
	default n

config CONFIG_IOPORTS
	bool "Input/Output ports"
	default y
	depends on MCUSUPPORT_IOPORTS

config MCUSUPPORT_PCINT0
	bool
	default n
config MCUSUPPORT_PCINT1
	bool
	default n
config MCUSUPPORT_PCINT2
	bool
	default n

config CONFIG_IOPORTS_PCINT
	bool "Input/Output ports change interrupts"
	depends on CONFIG_IOPORTS
	depends on MCUSUPPORT_PCINT0 || MCUSUPPORT_PCINT1 || MCUSUPPORT_PCINT2

# SPI ###########################################################################

config MCUSUPPORT_SPI
	bool
	default n

config CONFIG_SPI
	bool "SPI (Serial peripheral interface)"
	depends on MCUSUPPORT_SPI

# USART #########################################################################
config MCUSUPPORT_USART
	bool
	default n

menuconfig CONFIG_USART
	bool "USART (Universal synchronous/asynchronous transceiver)"
	depends on MCUSUPPORT_USART

if CONFIG_USART

config CONFIG_USART_BAUD
	int "Baudrate"
	default 115200

choice USART_PARITY_C
	prompt "Parity"
config USART_PARITY_C_NONE
	bool "None"
config USART_PARITY_C_ODD
	bool "Odd"
config USART_PARITY_C_EVEN
	bool "Even"
endchoice
config CONFIG_USART_PARITY
	string
	default "USART_PARITY_NONE" if USART_PARITY_C_NONE
	default "USART_PARITY_ODD" if USART_PARITY_C_ODD
	default "USART_PARITY_EVEN" if USART_PARITY_C_EVEN

config CONFIG_USART_DATABITS
	int "Data bits"
	default 8
	range 5 8

choice USART_STOPBIT_C
	prompt "Stop bit"
config USART_STOPBIT_C_SINGLE
	bool "Single"
config USART_STOPBIT_C_DOUBLE
	bool "Double"
endchoice
config CONFIG_USART_STOPBIT
	string
	default "USART_STOPBIT_SINGLE" if USART_STOPBIT_C_SINGLE
	default "USART_STOPBIT_DOUBLE" if USART_STOPBIT_C_DOUBLE

config CONFIG_USART_OUTPUT_BUFFER
	bool "Use output buffer"
	default n

config CONFIG_USART_OUTBUFFER_SIZE
	int "Output buffer size in bytes." if CONFIG_USART_OUTPUT_BUFFER
	default 0 if ! CONFIG_USART_OUTPUT_BUFFER
	range 1 512000 if CONFIG_USART_OUTPUT_BUFFER
	default 32

choice USART_OUTBUFFER_MODE_C
	prompt "Output buffer replacement policy" if CONFIG_USART_OUTPUT_BUFFER
config USART_OUTBUFFER_MODE_C_BLOCK
	bool "Block"
config USART_OUTBUFFER_MODE_C_OVERWRITE
	bool "Overwrite"
config USART_OUTBUFFER_MODE_C_DROP
	bool "Drop"
endchoice
config CONFIG_USART_OUTBUFFER_MODE
	int
	default 1 if USART_OUTBUFFER_MODE_C_OVERWRITE
	default 2 if USART_OUTBUFFER_MODE_C_DROP
	default 0

config CONFIG_USART_INPUT_BUFFER
	bool "Use input buffer"

config CONFIG_USART_INBUFFER_SIZE
	int "Input buffer size in bytes." if CONFIG_USART_INPUT_BUFFER
	default 0 if ! CONFIG_USART_INPUT_BUFFER
	range 1 512000 if CONFIG_USART_INPUT_BUFFER
	default 32

choice USART_INBUFFER_MODE_C
	prompt "Input buffer replacement policy" if CONFIG_USART_INPUT_BUFFER
config USART_INBUFFER_MODE_C_BLOCK
	bool "Block"
config USART_INBUFFER_MODE_C_OVERWRITE
	bool "Overwrite"
config USART_INBUFFER_MODE_C_DROP
	bool "Drop"
endchoice
config CONFIG_USART_INBUFFER_MODE
	int
	default 1 if USART_INBUFFER_MODE_C_OVERWRITE
	default 2 if USART_INBUFFER_MODE_C_DROP
	default 0

config CONFIG_USART_OUTFILE
	bool "STD FILE support for output"
	depends on CONFIG_USART_OUTPUT_BUFFER

config CONFIG_USART_INFILE
	bool "STD FILE support for input"
	depends on CONFIG_USART_INPUT_BUFFER

endif

# Timers ########################################################################

config CONFIG_TIMERS
	bool "Timers"