# Make command-line Options for Optiboot, Optiboot-Mega0
# Permit commands like "make atmega4809 LED_START_FLASHES=10" to pass the
# appropriate parameters ("-DLED_START_FLASHES=10") to gcc
#

ifdef PRODUCTION
ifneq ($(PRODUCTION),0)
VERSION_CMD = -DPRODUCTION=1
endif
dummy = FORCE
endif


# Build Options

HELPTEXT += "Option CUSTOM_VERSION=nn     - set a customer version number\n"
ifdef CUSTOM_VERSION
ifneq ($(CUSTOM_VERSION), 0)
VERSION_CMD = -DOPTIBOOT_CUSTOMVER=$(CUSTOM_VERSION)
else
VERSION_CMD = -DPRODUCTION=1
endif
dummy = FORCE
endif

HELPTEXT += "Option BIGBOOT=1             - enable extra features up to 1kbytes\n"
# BIGBOOT: Include extra features, up to 1K.
ifdef BIGBOOT
ifneq ($(BIGBOOT), 0)
BIGBOOT_CMD = -DBIGBOOT=1
dummy = FORCE
endif
endif

HELPTEXT += "Option SUPPORT_EEPROM=1      - Include code to read/write EEPROM\n"
ifdef SUPPORT_EEPROM
ifneq ($(SUPPORT_EEPROM), 0)
SUPPORT_EEPROM_CMD = -DSUPPORT_EEPROM
dummy = FORCE
endif
endif

HELPTEXT += "Option NO_APP_SPM=1          - disallow application call of do_spm\n"
ifdef NO_APP_SPM
ifneq ($(NO_APP_SPM),0)
APPSPM_CMD = -DAPP_NOSPM=1
endif
endif


# LED options

HELPTEXT += "Option LED=B3                - set LED pin to particular port/bit\n"
ifdef LED
LED_CMD = -DLED=$(LED)
dummy = FORCE
endif

HELPTEXT += "Option LED_START_FLASHES=n   - set number of LED flashes when bootloader starts\n"
ifdef LED_START_FLASHES
LED_START_FLASHES_CMD = -DLED_START_FLASHES=$(LED_START_FLASHES)
dummy = FORCE
else
LED_START_FLASHES_CMD = -DLED_START_FLASHES=3
endif

HELPTEXT += "Option LED_DATA_FLASH=1      - flash the LED each time data is received.\n"
ifdef LED_DATA_FLASH
ifneq ($(LED_DATA_FLASH), 0)
LED_DATA_FLASH_CMD = -DLED_DATA_FLASH=1
dummy = FORCE
endif
endif

HELPTEXT += "Option LED_START_ON=1        - Turn the LED on at bootload start\n"
ifdef LED_START_ON
ifneq ($(LED_START_ON), 0)
LED_START_ON_CMD = -DLED_START_ON=1
endif
dummy = FORCE
endif

HELPTEXT += "Option LED_INVERT=1          - Invert the 'on' state of the LED\n"
ifdef LED_INVERT
ifneq ($(LED_INVERT), 0)
LEDINV_CMD = -DLED_INVERT=1
endif
dummy = FORCE
endif


# UART options

HELPTEXT += "Option BAUD_RATE=nnnn        - set the bit rate for communications\n"
ifdef BAUD_RATE
BAUD_RATE_CMD = -DBAUD_RATE=$(BAUD_RATE)
dummy = FORCE
else
BAUD_RATE_CMD = -DBAUD_RATE=115200
endif

HELPTEXT += "Option SOFT_UART=1           - use a software (bit-banged) UART\n"
ifdef SOFT_UART
ifneq ($(SOFT_UART), 0)
SOFT_UART_CMD = -DSOFT_UART=1
dummy = FORCE
endif
endif

HELPTEXT += "Option SINGLESPEED=1         - do not use U2X mode on UART\n"
ifdef SINGLESPEED
ifneq ($(SINGLESPEED), 0)
SS_CMD = -DSINGLESPEED=1
endif
endif

HELPTEXT += "Option RS485=B0              - Pin for optional rs485 tx enable\n"
ifdef RS485
RS485_CMD = -DRS485=$(RS485)
dummy = FORCE
endif


#CPU Options

HELPTEXT += "Option TIMEOUT=n             - set WDT to 1, 2, 4, or 8 seconds\n"
ifdef TIMEOUT
TIMEOUT_CMD = -DWDTTIME=$(TIMEOUT)
dummy = FORCE
endif

HELPTEXT += "Option RESETPIN=0/1          - change RESET pin behavior\n"
ifdef RESETPIN
RESETPIN_CMD = -DRSTPIN=$(RESETPIN)
dummy = FORCE
endif

ifdef AVR_FREQ
FCPU_CMD = -DF_CPU=$(AVR_FREQ)
dummy = FORCE
endif

HELPTEXT += "Option AVR_FREQ=<n>          - Clock rate of AVR CPU\n"


LED_OPTIONS = $(LED_START_FLASHES_CMD) $(LED_DATA_FLASH_CMD) $(LED_CMD) $(LED_START_ON_CMD) $(LEDINV_CMD)
CPU_OPTIONS = $(RESETPIN_CMD) $(TIMEOUT_CMD) $(FCPU_CMD)
COMMON_OPTIONS =  $(BIGBOOT_CMD) $(APPSPM_CMD) $(VERSION_CMD)
COMMON_OPTIONS += $(SUPPORT_EEPROM_CMD)

#UART is handled separately and only passed for devices with more than one.
HELPTEXT += "Option UART=n                - use UARTn for communications\n"
HELPTEXT += "Option UARTTX=B5             - describe UART for Mega0, Xtiny\n"
ifdef UART
UART_CMD = -DUART=$(UART)
endif
ifdef UARTTX
UART_CMD = -DUARTTX=$(UARTTX)
endif

UART_OPTIONS = $(UART_CMD) $(BAUD_RATE_CMD) $(SOFT_UART_CMD) $(SS_CMD) $(RS485_CMD)