# MCU class and specific type
MCU STM32F4xx STM32F427xx

# We set a specific HAL_BOARD_SUBTYPE, allowing for custom config in
# drivers. For this to be used the subtype needs to be added to
# AP_HAL/AP_HAL_Boards.h as well.
define CONFIG_HAL_BOARD_SUBTYPE HAL_BOARD_SUBTYPE_CHIBIOS_FMUV3

# USB setup
USB_VENDOR 0x35a7 # ONLY FOR USE BY ThePeach
USB_PRODUCT 0x0001
USB_STRING_MANUFACTURER "ThePeach"
USB_STRING_PRODUCT "FCC-K1"

# board ID for firmware load
APJ_BOARD_ID 212

# crystal frequency
OSCILLATOR_HZ 24000000

# ChibiOS system timer
STM32_ST_USE_TIMER 5

# Now the size of flash in kilobytes, for creating the ld.script.

# flash size
FLASH_SIZE_KB 2048

# default to all pins low to avoid ESD issues
DEFAULTGPIO OUTPUT LOW PULLDOWN

# The value for STDOUT_SERIAL is a serial device name, and must be for a 
# serial device for which pins are defined in this file. For example, SD7
# is for UART7 (SD7 == "serial device 7" in ChibiOS).
# STDOUT_SERIAL SD7
# STDOUT_BAUDRATE 57600

# order of I2C buses
I2C_ORDER I2C2 I2C1


# The normal usage of this ordering is:
# 1) SERIAL0: console (primary mavlink, usually USB)
# 2) SERIAL1: telem1
# 3) SERIAL2: telem2
# 4) SERIAL3: primary GPS
# 5) SERIAL4: GPS2
# 6) SERIAL5: extra UART (usually RTOS debug console)

# order of UARTs (and USB)
SERIAL_ORDER OTG1 USART2 USART3 UART4 UART8 UART7

# If the board has an IOMCU connected via a UART then this defines the
# UART to talk to that MCU. Leave it out for boards with no IOMCU.

# UART for IOMCU
IOMCU_UART USART6

# UART4 serial GPS
PA0 UART4_TX UART4
PA1 UART4_RX UART4

# Now define the primary battery connectors. The labels we choose here
# are used to create defines for pins in the various drivers, so
# choose names that match existing board setups where possible. Here
# we define two pins PA2 and PA3 for voltage and current sensing, with
# a scale factor of 1.0 and connected on ADC1. The pin number this
# maps to in hal.adc is automatically determined using the datasheet
# tables in STM32F427xx.py.

PA2 BATT_VOLTAGE_SENS ADC1 SCALE(1)
PA3 BATT_CURRENT_SENS ADC1 SCALE(1)

# Now the VDD sense pin. This is used to sense primary board voltage.
PA4 VDD_5V_SENS ADC1 SCALE(2)

# Now the first SPI bus. At minimum you need SCK, MISO and MOSI pin
definitions. You can add speed modifiers if you want them, otherwise
the defaults for the peripheral class are used.

PA5 SPI1_SCK SPI1
PA6 SPI1_MISO SPI1
PA7 SPI1_MOSI SPI1

# This defines an output pin which will default to output LOW. It is a
# pin that enables peripheral power on this board.

PA8 nVDD_5V_PERIPH_EN OUTPUT LOW

# This is the pin that senses USB being connected. It is an input pin
# setup as OPENDRAIN.
PA9 VBUS INPUT OPENDRAIN

# This is a commented out pin for talking to the debug UART on the
# IOMCU, not used yet, but left as a comment (with a '#' in front) for
# future reference
# PA10 IO-debug-console

# Now we define the pins that USB is connected on.
PA11 OTG_FS_DM OTG1
PA12 OTG_FS_DP OTG1

# These are the pins for SWD debugging with a STlinkv2 or black-magic probe.
PA13 JTMS-SWDIO SWD
PA14 JTCK-SWCLK SWD

# This defines the PWM pin for the buzzer (if there is one). It is
# also mapped to a GPIO output so you can play with the buzzer via
# MAVLink relay commands if you want to.

# PWM output for buzzer
PA15 TIM2_CH1 TIM2 GPIO(77) ALARM

# This defines some input pins, currently unused.
PB2 BOOT1 INPUT

# Now the first I2C bus. The pin speeds are automatically setup
# correctly, but can be overridden here if needed.
PB8 I2C1_SCL I2C1
PB9 I2C1_SDA I2C1

# the 2nd I2C bus
PB10 I2C2_SCL I2C2
PB11 I2C2_SDA I2C2

# the 2nd SPI bus
PB13 SPI2_SCK SPI2
PB14 SPI2_MISO SPI2
PB15 SPI2_MOSI SPI2

# This input pin is used to detect that power is valid on USB.
PC0 VBUS_nVALID INPUT PULLUP

# This defines more ADC inputs.
PC3 AUX_POWER ADC1 SCALE(1)
PC4 AUX_ADC2 ADC1 SCALE(1)

# And the analog input for airspeed (rarely used these days).
PC5 PRESSURE_SENS ADC1 SCALE(2)

# This sets up the UART for talking to the IOMCU. Note that it is
# vital that this UART has DMA available. See the DMA settings below
# for more information.

#  USART6 to IO
PC6 USART6_TX USART6
PC7 USART6_RX USART6

# Now setup the pins for the microSD card, if available.
PC8 SDIO_D0 SDIO
PC9 SDIO_D1 SDIO
PC10 SDIO_D2 SDIO
PC11 SDIO_D3 SDIO
PC12 SDIO_CK SDIO
PD2 SDIO_CMD SDIO

# More CS pins for more sensors. The labels for all CS pins need to
# match the SPI device table later in this file.
PC2 MPU9250_CS CS
PC15 ICM20602_CS CS
PD7 MS5611_CS CS

# the first CAN bus
PD0 CAN1_RX CAN1
PD1 CAN1_TX CAN1

# Another USART, this one for telem1. This one has RTS and CTS lines.
# USART2 serial2 telem1
PD3 USART2_CTS USART2
PD4 USART2_RTS USART2
PD5 USART2_TX USART2
PD6 USART2_RX USART2

# The telem2 USART, also with RTS/CTS available.
# USART3 serial3 telem2
PD8 USART3_TX USART3
PD9 USART3_RX USART3
PD11 USART3_CTS USART3
PD12 USART3_RTS USART3

# The CS pin for FRAM (ramtron). This one is marked as using
# SPEED_VERYLOW, which matches the HAL_PX4 setup.
PD10 FRAM_CS CS SPEED_VERYLOW

# Now we start defining some PWM pins. We also map these pins to GPIO
# values, so users can set BRD_PWM_COUNT to choose how many of the PWM
# outputs on the primary MCU are setup as PWM and how many as
# GPIOs. To match HAL_PX4 we number the GPIOs for the PWM outputs
# starting at 50.
PE14 TIM1_CH4 TIM1 PWM(1) GPIO(50)
PE13 TIM1_CH3 TIM1 PWM(2) GPIO(51)
PE11 TIM1_CH2 TIM1 PWM(3) GPIO(52)
PE9  TIM1_CH1 TIM1 PWM(4) GPIO(53)
PD13 TIM4_CH2 TIM4 PWM(5) GPIO(54)
#PD14 TIM4_CH3 TIM4 PWM(6) GPIO(55)

# This is the invensense data-ready pin. We don't use it in the
# default driver.
PC14 ICM20602_DRDY INPUT
PD15 MPU9250_DRDY INPUT

# the 2nd GPS UART
# UART8 serial4 GPS2
PE0 UART8_RX UART8
PE1 UART8_TX UART8

# This is the pin to enable the sensors rail. It can be used to power
# cycle sensors to recover them in case there are problems with power on
# timing affecting sensor stability. We pull it high by default.
PE3 VDD_3V3_SENSORS_EN OUTPUT HIGH

# UART7 maps to SERIAL5.
PE7 UART7_RX UART7
PE8 UART7_TX UART7

# Define a LED, mapping it to GPIO(0). LOW will illuminate the LED
PE12 FMU_LED_AMBER OUTPUT HIGH OPENDRAIN GPIO(0)

# Power flag pins: these tell the MCU the status of the various power
# supplies that are available. The pin names need to exactly match the
# names used in AnalogIn.cpp. 
PB5 VDD_BRICK_nVALID INPUT PULLUP
PE15 VDD_5V_PERIPH_nOC INPUT PULLUP

# SPI devices
SPIDEV ms5611         SPI1 DEVID3  MS5611_CS    MODE3  20*MHZ 20*MHZ
SPIDEV icm20602       SPI1 DEVID1  ICM20602_CS  MODE3   4*MHZ  8*MHZ
SPIDEV mpu9250        SPI1 DEVID2  MPU9250_CS   MODE3   4*MHZ  8*MHZ
SPIDEV ramtron        SPI2 DEVID1  FRAM_CS      MODE3   8*MHZ  8*MHZ 

# up to 2 IMUs
IMU Invensense SPI:icm20602 ROTATION_ROLL_180_YAW_90
IMU Invensense SPI:mpu9250 ROTATION_ROLL_180_YAW_90

# compass as part
COMPASS AK8963:probe_mpu9250 0 ROTATION_ROLL_180_YAW_90
define HAL_PROBE_EXTERNAL_I2C_COMPASSES

define HAL_DEFAULT_INS_FAST_SAMPLE 3

# one baro
BARO MS56XX SPI:ms5611

# This adds a C define which sets up the ArduPilot architecture
# define. Any line starting with 'define' is copied literally as
# a #define in the hwdef.h header.
define HAL_CHIBIOS_ARCH_FMUV3 1
define BOARD_TYPE_DEFAULT 3

# We need to tell HAL_ChibiOS/Storage.cpp how much storage is
# available (in bytes).
define HAL_STORAGE_SIZE 16384

# allow to have have a dedicated safety switch pin
define HAL_HAVE_SAFETY_SWITCH 1

# This enables the use of a ramtron device for storage, if one is
# found on SPI. You must have a ramtron entry in the SPI device table.

# Enable RAMTROM parameter storage.
define HAL_WITH_RAMTRON 1

# Enable FAT filesystem support (needs a microSD defined via SDIO).
define HAL_OS_FATFS_IO 1

# Now setup the default battery pins driver analog pins and default
# scaling for the power brick.
define HAL_BATT_VOLT_PIN 2
define HAL_BATT_CURR_PIN 3
define HAL_BATT_VOLT_SCALE 18.182
define HAL_BATT_CURR_SCALE 36.364

# This defines the default maximum clock on I2C devices.
define HAL_I2C_MAX_CLOCK 100000

# We can't share the IO UART (USART6).
DMA_NOSHARE USART6_TX ADC1
DMA_PRIORITY USART6* SPI*

# List of files to put in ROMFS. For fmuv3 we need an IO firmware so
# we can automatically update the IOMCU firmware on boot. The format
# is "ROMFS ROMFS-filename source-filename". Paths are relative to the
# ardupilot root.
ROMFS io_firmware.bin Tools/IO_Firmware/iofirmware_lowpolh.bin