# 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 81 # setup build for a peripheral firmware env AP_PERIPH 1 # crystal frequency OSCILLATOR_HZ 8000000 # assume 512k flash part FLASH_SIZE_KB 512 STDOUT_SERIAL SD2 STDOUT_BAUDRATE 57600 # order of UARTs SERIAL_ORDER # use safety button to stay in bootloader PB15 STAY_IN_BOOTLOADER INPUT PULLDOWN define HAL_STAY_IN_BOOTLOADER_VALUE 1 PA10 LED_BOOTLOADER OUTPUT LOW 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 PB12 GPIO_CAN1_SILENT OUTPUT PUSHPULL SPEED_LOW LOW PB13 GPIO_CAN1_TERM OUTPUT PUSHPULL SPEED_LOW HIGH define HAL_USE_CAN TRUE define STM32_CAN_USE_CAN1 TRUE define CAN_APP_NODE_NAME "org.ardupilot.ARK_GPS" # 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 PB0 IMU_CS CS