ardupilot/libraries/AP_HAL_ChibiOS/hwdef/f303-periph/hwdef-bl.dat

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# hw definition file for processing by chibios_pins.py
# MCU class and specific type
MCU STM32F303 STM32F303xC
FLASH_RESERVE_START_KB 0
FLASH_BOOTLOADER_LOAD_KB 26
# board ID for firmware load
APJ_BOARD_ID 1004
# setup build for a peripheral firmware
env AP_PERIPH 1
# crystal frequency
OSCILLATOR_HZ 8000000
define CH_CFG_ST_FREQUENCY 1000
# assume 256k flash part
FLASH_SIZE_KB 256
STDOUT_SERIAL SD1
STDOUT_BAUDRATE 57600
# order of UARTs
SERIAL_ORDER
define HAL_USE_UART FALSE
PA4 LED_BOOTLOADER OUTPUT LOW
define HAL_LED_ON 1
# USART1
PA9 USART1_TX USART1 SPEED_HIGH NODMA
PA10 USART1_RX USART1 SPEED_HIGH NODMA
# USART2
PA2 USART2_TX USART2 SPEED_HIGH NODMA
PA3 USART2_RX USART2 SPEED_HIGH NODMA
define HAL_USE_SERIAL TRUE
define STM32_SERIAL_USE_USART1 TRUE
define STM32_SERIAL_USE_USART2 TRUE
define STM32_SERIAL_USE_USART3 FALSE
PA13 SWDIO-JTMS SWD
PA14 SWCLK-JTCK SWD
define HAL_NO_GPIO_IRQ
define CH_CFG_ST_TIMEDELTA 0
#define CH_CFG_USE_DYNAMIC FALSE
define SERIAL_BUFFERS_SIZE 32
define HAL_USE_EMPTY_IO TRUE
define PORT_INT_REQUIRED_STACK 64
# avoid timer and RCIN threads to save memory
define HAL_NO_TIMER_THREAD
define HAL_NO_RCIN_THREAD
define HAL_USE_RTC FALSE
define DISABLE_SERIAL_ESC_COMM TRUE
define NO_DATAFLASH TRUE
define DMA_RESERVE_SIZE 0
define PERIPH_FW TRUE
MAIN_STACK 0x800
PROCESS_STACK 0x800
define HAL_DISABLE_LOOP_DELAY
define HAL_USE_EMPTY_STORAGE 1
define HAL_STORAGE_SIZE 16384
# enable CAN support
PA11 CAN_RX CAN
PA12 CAN_TX CAN
define HAL_USE_CAN TRUE
define STM32_CAN_USE_CAN1 TRUE
# make bl baudrate match debug baudrate for easier debugging
define BOOTLOADER_BAUDRATE 57600
# use a small bootloader timeout
define HAL_BOOTLOADER_TIMEOUT 1000
# use PB6 (normally I2C1_SCL) as "hold in bootloader" pin
# this has a hw pullup, so if we set it as input floating
# and look for it low then we know user has pulled it down and
# want to stay in the bootloader
PB6 STAY_IN_BOOTLOADER INPUT FLOATING
# reserve 256 bytes for comms between app and bootloader
RAM_RESERVE_START 256
# Add CS pins to ensure they are high in bootloader
PB0 MAG_CS CS