ardupilot/libraries/AP_HAL_ChibiOS/hwdef/NxtPX4v2/hwdef-bl.dat
Andrew Tridgell ed58758ce6 hwdef: don't use DEFAULTGPIO in bootloaders
setting up a DEFAULTGPIO pulldown in bootloaders is a bad idea as it
overrides any hardware pullups that have been put in place as part of
a "hold in bootloader" mechanism. See discussion in #27360 for ELRS

note that this only impacts one board that I can see, the
BlitzF745AIO, due to the MCU vs DEFAULTGPIO interaction
2024-06-25 12:05:40 +10:00

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# hw definition file for processing by chibios_hwdef.py
# for the NxtPX4v2 hardware
# MCU class and specific type
MCU STM32H7xx STM32H743xx
# board ID for firmware load
APJ_BOARD_ID AP_HW_NxtPX4v2
# crystal frequency
OSCILLATOR_HZ 16000000
# flash size
FLASH_SIZE_KB 2048
# bootloader is installed at zero offset
FLASH_RESERVE_START_KB 0
# the location where the bootloader will put the firmware
FLASH_BOOTLOADER_LOAD_KB 128
# order of UARTs (and USB)
SERIAL_ORDER OTG1
# USB
PA11 OTG_FS_DM OTG1
PA12 OTG_FS_DP OTG1
# pins for SWD debugging
PA13 JTMS-SWDIO SWD
PA14 JTCK-SWCLK SWD
# CS pins
PA3 BMI088_1_G_CS CS
PA2 BMI088_1_A_CS CS
PC2 BMI088_2_G_CS CS
PC13 BMI088_2_A_CS CS
# LEDs
PD11 LED_ACTIVITY OUTPUT HIGH GPIO(91) #green
PB15 LED_BOOTLOADER OUTPUT HIGH GPIO(92) #blue
define HAL_LED_ON 1