# hw definition file for processing by chibios_pins.py

# MCU class and specific type
MCU STM32F4xx STM32F412Rx

FLASH_RESERVE_START_KB 0

# two sectors for bootloader, two for storage
FLASH_BOOTLOADER_LOAD_KB 64

# board ID for firmware load
APJ_BOARD_ID 1035

# setup build for a peripheral firmware
env AP_PERIPH 1

# debug on USART2
STDOUT_SERIAL SD2
STDOUT_BAUDRATE 57600

# crystal frequency
OSCILLATOR_HZ 16000000

define CH_CFG_ST_FREQUENCY 1000000

# assume 512k flash part
FLASH_SIZE_KB 512

# order of UARTs
SERIAL_ORDER USART2

# workaround missing define in headers
define RCC_AHB1RSTR_OTGHRST 0x20000000

# blue LED
PB15 LED_BOOTLOADER OUTPUT HIGH
define HAL_LED_ON 0

# USART2
PA2 USART2_TX USART2
PA3 USART2_RX USART2

# SWD debugging
PA13 JTMS-SWDIO SWD
PA14 JTCK-SWCLK SWD

define HAL_USE_SERIAL TRUE

define STM32_SERIAL_USE_USART1 FALSE
define STM32_SERIAL_USE_USART2 TRUE
define STM32_SERIAL_USE_USART3 FALSE

define HAL_NO_GPIO_IRQ
define HAL_USE_EMPTY_IO TRUE

# avoid timer and RCIN threads to save memory
define HAL_NO_TIMER_THREAD
define HAL_NO_RCIN_THREAD


define DMA_RESERVE_SIZE 0

define HAL_DISABLE_LOOP_DELAY

# enable CAN support

PA11 CAN1_RX CAN1
PA12 CAN1_TX CAN1
PB2 GPIO_CAN1_SILENT OUTPUT PUSHPULL SPEED_LOW LOW

PB12 CAN2_RX CAN2
PB13 CAN2_TX CAN2
PA4 GPIO_CAN2_SILENT OUTPUT PUSHPULL SPEED_LOW LOW

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

# use a smaller bootloader timeout
define HAL_BOOTLOADER_TIMEOUT 2500


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