# HW definition file for Sierra-TrueNavIC

# MCU class and specific type
MCU STM32L431 STM32L431xx

# crystal frequency
OSCILLATOR_HZ 16000000

# board ID for firmware load
APJ_BOARD_ID 5302

# setup build for a peripheral firmware
env AP_PERIPH 1

# Flash info
FLASH_RESERVE_START_KB 0
FLASH_BOOTLOADER_LOAD_KB 36
FLASH_SIZE_KB 256

# reserve some space for params
APP_START_OFFSET_KB 4

# a fault LED
PA1 LED_BOOTLOADER OUTPUT LOW # amber
define HAL_LED_ON 1

# enable CAN support
PA11 CAN1_RX CAN1
PA12 CAN1_TX CAN1
PB1 GPIO_CAN1_SILENT OUTPUT PUSHPULL SPEED_LOW LOW
PB6 GPIO_CAN1_TERM OUTPUT PUSHPULL SPEED_LOW HIGH

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

# use a small bootloader timeout
define HAL_BOOTLOADER_TIMEOUT 1000

define HAL_USE_SERIAL FALSE
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

# Add CS pins to ensure they are high in bootloader
PA8 BARO_CS CS

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

define CAN_APP_NODE_NAME "in.sierraaerospace.TrueNavIC"