# 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 define CAN_APP_NODE_NAME "org.ardupilot.HolybroGPS" # 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