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# Kconfig settings for STM32 processors
if MACH_STM32
config STM32_SELECT
bool
default y
select HAVE_GPIO
select HAVE_GPIO_ADC
select HAVE_GPIO_SPI
select HAVE_GPIO_BITBANGING
config BOARD_DIRECTORY
string
default "stm32"
choice
prompt "Processor model"
config MACH_STM32F103
bool "STM32F103"
select MACH_STM32F1
select HAVE_STM32_USBFS
config MACH_STM32F405
bool "STM32F405"
select MACH_STM32F4
config MACH_STM32F407
bool "STM32F407"
select MACH_STM32F4
config MACH_STM32F446
bool "STM32F446"
select MACH_STM32F4
endchoice
config MACH_STM32F1
bool
config MACH_STM32F4
bool
config HAVE_STM32_USBFS
bool
config MCU
string
default "stm32f103xb" if MACH_STM32F103
default "stm32f405xx" if MACH_STM32F405
default "stm32f407xx" if MACH_STM32F407
default "stm32f446xx" if MACH_STM32F446
config CLOCK_FREQ
int
default 72000000 if MACH_STM32F103
default 168000000 if MACH_STM32F405 || MACH_STM32F407
default 180000000 if MACH_STM32F446
config FLASH_SIZE
hex
default 0x10000 if MACH_STM32F103
default 0x80000 if MACH_STM32F4
config RAM_SIZE
hex
default 0x5000 if MACH_STM32F103
default 0x20000 if MACH_STM32F4
config STACK_SIZE
int
default 512
choice
prompt "Bootloader offset" if MACH_STM32F103
config STM32_FLASH_START_2000
bool "8KiB bootloader (stm32duino)"
config STM32_FLASH_START_7000
bool "28KiB bootloader"
config STM32_FLASH_START_0000
bool "No bootloader"
endchoice
config FLASH_START
hex
default 0x2000 if STM32_FLASH_START_2000
default 0x7000 if STM32_FLASH_START_7000
default 0x0000
choice
prompt "Clock Reference" if LOW_LEVEL_OPTIONS
config STM32_CLOCK_REF_8M
bool "8Mhz crystal"
config STM32_CLOCK_REF_INTERNAL
bool "Internal clock"
endchoice
config CLOCK_REF_8M
bool
default n if STM32_CLOCK_REF_INTERNAL
default y
config USBSERIAL
bool "Use USB for communication (instead of serial)"
depends on HAVE_STM32_USBFS
default y
config SERIAL
depends on !USBSERIAL
bool
default y
choice
depends on SERIAL
prompt "Serial Port" if LOW_LEVEL_OPTIONS
help
Select the serial device to use.
config STM32_SERIAL_USART1
bool "USART1"
config STM32_SERIAL_USART2
bool "USART2"
config STM32_SERIAL_USART3
bool "USART3"
endchoice
config SERIAL_PORT
int
default 3 if STM32_SERIAL_USART3
default 2 if STM32_SERIAL_USART2
default 1
endif
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