# Kconfig settings for STM32F1 processors if MACH_STM32F1 config STM32F1_SELECT bool default y select HAVE_GPIO select HAVE_GPIO_ADC select HAVE_GPIO_SPI select HAVE_GPIO_BITBANGING config BOARD_DIRECTORY string default "stm32f1" config CLOCK_FREQ int default 72000000 choice prompt "Bootloader offset" config STM_FLASH_START_2000 bool "8KiB bootloader (stm32duino)" config STM_FLASH_START_0000 bool "No bootloader" endchoice config FLASH_START hex default 0x2000 if STM_FLASH_START_2000 default 0x0000 config USBSERIAL bool "Use USB for communication (instead of serial)" default y config SERIAL depends on !USBSERIAL bool default y endif