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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_I2C if !MACH_STM32F031
select HAVE_GPIO_SPI if !MACH_STM32F031
select HAVE_GPIO_BITBANGING if !MACH_STM32F031
select HAVE_STRICT_TIMING
select HAVE_CHIPID
config BOARD_DIRECTORY
string
default "stm32"
choice
prompt "Processor model"
config MACH_STM32F103
bool "STM32F103"
select MACH_STM32F1
config MACH_STM32F207
bool "STM32F207"
select MACH_STM32F2
config MACH_STM32F401
bool "STM32F401"
select MACH_STM32F4
config MACH_STM32F405
bool "STM32F405"
select MACH_STM32F4
config MACH_STM32F407
bool "STM32F407"
select MACH_STM32F4
config MACH_STM32F429
bool "STM32F429"
select MACH_STM32F4
config MACH_STM32F446
bool "STM32F446"
select MACH_STM32F4
config MACH_STM32F031
bool "STM32F031"
select MACH_STM32F0
config MACH_STM32F042
bool "STM32F042"
select MACH_STM32F0
config MACH_STM32F070
bool "STM32F070"
select MACH_STM32F0
endchoice
config MACH_STM32F0
bool
config MACH_STM32F1
bool
config MACH_STM32F2
bool
config MACH_STM32F4
bool
config HAVE_STM32_USBFS
bool
default y if MACH_STM32F103 || MACH_STM32F0
default n
config HAVE_STM32_USBOTG
bool
default y if MACH_STM32F2 || MACH_STM32F4
default n
config MCU
string
default "stm32f031x6" if MACH_STM32F031
default "stm32f042x6" if MACH_STM32F042
default "stm32f070xb" if MACH_STM32F070
default "stm32f103xe" if MACH_STM32F103
default "stm32f207xx" if MACH_STM32F207
default "stm32f401xc" if MACH_STM32F401
default "stm32f405xx" if MACH_STM32F405
default "stm32f407xx" if MACH_STM32F407
default "stm32f429xx" if MACH_STM32F429
default "stm32f446xx" if MACH_STM32F446
config CLOCK_FREQ
int
default 48000000 if MACH_STM32F0
default 64000000 if MACH_STM32F103 && STM32_CLOCK_REF_INTERNAL
default 72000000 if MACH_STM32F103
default 120000000 if MACH_STM32F207
default 84000000 if MACH_STM32F401
default 168000000 if MACH_STM32F405 || MACH_STM32F407 || MACH_STM32F429
default 180000000 if MACH_STM32F446
config FLASH_SIZE
hex
default 0x4000 if MACH_STM32F031
default 0x8000 if MACH_STM32F042
default 0x20000 if MACH_STM32F070
default 0x10000 if MACH_STM32F103 # Flash size of stm32f103x8 (64KiB)
default 0x40000 if MACH_STM32F2 || MACH_STM32F401
default 0x80000 if MACH_STM32F405 || MACH_STM32F407 || MACH_STM32F429 || MACH_STM32F446
config RAM_START
hex
default 0x20000000
config RAM_SIZE
hex
default 0x1000 if MACH_STM32F031
default 0x1800 if MACH_STM32F042
default 0x4000 if MACH_STM32F070
default 0x5000 if MACH_STM32F103 # Ram size of stm32f103x8 (20KiB)
default 0x20000 if MACH_STM32F207
default 0x10000 if MACH_STM32F401
default 0x20000 if MACH_STM32F405 || MACH_STM32F407 || MACH_STM32F429 || MACH_STM32F446
config STACK_SIZE
int
default 512
choice
prompt "Bootloader offset" if MACH_STM32F207 || MACH_STM32F407 || MACH_STM32F405 || MACH_STM32F103 || MACH_STM32F070
config STM32_FLASH_START_2000
bool "8KiB bootloader (stm32duino)" if MACH_STM32F103 || MACH_STM32F070
config STM32_FLASH_START_5000
bool "20KiB bootloader" if MACH_STM32F103
config STM32_FLASH_START_7000
bool "28KiB bootloader" if MACH_STM32F103
config STM32_FLASH_START_8800
bool "34KiB bootloader (Chitu v6 Bootloader)" if MACH_STM32F103
config STM32_FLASH_START_C000
bool "48KiB bootloader (MKS Robin Nano V3)" if MACH_STM32F407
config STM32_FLASH_START_10000
bool "64KiB bootloader (Alfawise)" if MACH_STM32F103
config STM32_FLASH_START_800
bool "2KiB bootloader (HID Bootloader)" if MACH_STM32F103
config STM32_FLASH_START_8000
bool "32KiB bootloader (SKR-PRO or TFT35-V3.0)" if MACH_STM32F207 || MACH_STM32F407
config STM32_FLASH_START_4000
bool "16KiB bootloader (HID Bootloader)" if MACH_STM32F207 || MACH_STM32F405 || MACH_STM32F407
config STM32_FLASH_START_0000
bool "No bootloader"
endchoice
config FLASH_START
hex
default 0x8000800 if STM32_FLASH_START_800
default 0x8002000 if STM32_FLASH_START_2000
default 0x8004000 if STM32_FLASH_START_4000
default 0x8005000 if STM32_FLASH_START_5000
default 0x8007000 if STM32_FLASH_START_7000
default 0x8008000 if STM32_FLASH_START_8000
default 0x8008800 if STM32_FLASH_START_8800
default 0x800C000 if STM32_FLASH_START_C000
default 0x8010000 if STM32_FLASH_START_10000
default 0x8000000
config ARMCM_RAM_VECTORTABLE
bool
default y if MACH_STM32F0 && FLASH_START != 0x8000000
default n
choice
prompt "Clock Reference" if LOW_LEVEL_OPTIONS
config STM32_CLOCK_REF_8M
bool "8 MHz crystal"
config STM32_CLOCK_REF_12M
bool "12 MHz crystal"
config STM32_CLOCK_REF_16M
bool "16 MHz crystal"
config STM32_CLOCK_REF_25M
bool "25 MHz crystal"
config STM32_CLOCK_REF_INTERNAL
bool "Internal clock"
endchoice
config CLOCK_REF_FREQ
int
default 25000000 if STM32_CLOCK_REF_25M
default 16000000 if STM32_CLOCK_REF_16M
default 12000000 if STM32_CLOCK_REF_12M
default 1 if STM32_CLOCK_REF_INTERNAL
default 8000000
config USBSERIAL
bool "Use USB for communication (instead of serial)"
depends on HAVE_STM32_USBFS || HAVE_STM32_USBOTG
default y
config CANSERIAL
bool "Use CAN for communication (instead of serial)"
depends on !USBSERIAL
default n
config CANBUS_FREQUENCY
int "CAN bus speed" if LOW_LEVEL_OPTIONS && CANSERIAL
default 500000
choice
depends on CANSERIAL
prompt "CAN pins"
config CAN_PINS_PA11_PA12
bool "Pins PA11(rx) and PA12(tx)"
config CAN_PINS_PB8_PB9
bool "Pins PB8(rx) and PB9(tx)"
config CAN_PINS_PI8_PH13
bool "Pins PI9(rx) and PH13(tx)" if MACH_STM32F4
config CAN_PINS_PB5_PB6
bool "Pins PB5(rx) and PB6(tx)" if MACH_STM32F4
config CAN_PINS_PB12_PB13
bool "Pins PB12(rx) and PB13(tx)" if MACH_STM32F4
config CAN_PINS_PD0_PD1
bool "Pins PD0(rx) and PD1(tx)" if MACH_STM32F4
endchoice
config STM32F0_TRIM
int "Internal clock trim override" if LOW_LEVEL_OPTIONS && MACH_STM32F0 && STM32_CLOCK_REF_INTERNAL && !USBSERIAL
default 16
help
Specify the internal clock trim value. Setting this can be
useful if the factory default internal clock is not accurate.
Default is 16 (use factory default). Each increment increases
the clock rate by ~240KHz.
config STM32F042_PIN_SWAP
bool "Use PA9/PA10 for USB or CAN" if MACH_STM32F042
depends on (USBSERIAL || CANSERIAL) && MACH_STM32F042
default y if (USBSERIAL || CANSERIAL)
default n
help
Remaps logical pins PA11/PA12 to physical PA9/PA10 on low pincount F042 devices.
config SERIAL
depends on !USBSERIAL && !CANSERIAL
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_USART1_ALT
bool "USART1 (on PA15/PA14)" if MACH_STM32F0
config STM32_SERIAL_USART2
bool "USART2 (on PA3/PA2)"
config STM32_SERIAL_USART2_ALT
bool "USART2 (on PA15/PA14)" if MACH_STM32F0
config STM32_SERIAL_USART3
bool "USART3"
config STM32_SERIAL_USART3_ALT
bool "USART3 (on PD9/PD8)" if MACH_STM32F405 || MACH_STM32F407
endchoice
config SERIAL_PORT
int
default 3 if STM32_SERIAL_USART3 || STM32_SERIAL_USART3_ALT
default 2 if STM32_SERIAL_USART2 || STM32_SERIAL_USART2_ALT
default 1
endif
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