# hw definition file for processing by chibios_pins.py

# Sierra RM3100 & Airspeed common hwdef

# MCU class and specific type
MCU STM32L431 STM32L431xx

FLASH_RESERVE_START_KB 0
FLASH_BOOTLOADER_LOAD_KB 36

# reserve some space for params
APP_START_OFFSET_KB 4

# board ID for firmware load
APJ_BOARD_ID 1050

# setup build for a peripheral firmware
env AP_PERIPH 1

# crystal frequency
OSCILLATOR_HZ 16000000

# Flash available
FLASH_SIZE_KB 256

# a fault LED
PA15 LED_BOOTLOADER OUTPUT LOW # amber
define HAL_LED_ON 1

STDOUT_SERIAL SD1
STDOUT_BAUDRATE 57600

# order of UARTs
SERIAL_ORDER USART1

# USART1
PA9  USART1_TX USART1 SPEED_HIGH NODMA
PA10  USART1_RX USART1 SPEED_HIGH NODMA

define HAL_USE_SERIAL TRUE
define STM32_SERIAL_USE_USART1 TRUE
define SERIAL_BUFFERS_SIZE 32

define HAL_NO_GPIO_IRQ
define HAL_USE_EMPTY_IO TRUE
define PORT_INT_REQUIRED_STACK 64

define DMA_RESERVE_SIZE 0

MAIN_STACK 0x800
PROCESS_STACK 0x800

# enable CAN support
PA11 CAN1_RX CAN1
PA12 CAN1_TX CAN1
CAN_ORDER 1

# debugger support
PA13 JTMS-SWDIO SWD
PA14 JTCK-SWCLK SWD

# make bl baudrate match debug baudrate for easier debugging
define BOOTLOADER_BAUDRATE 57600

# use a small bootloader timeout
define HAL_BOOTLOADER_TIMEOUT 1000

# Add CS pins to ensure they are high in bootloader
PB12 MAG_CS CS