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ardupilot/libraries/AP_HAL_ChibiOS/hwdef/SPRacingH7RF
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Andy Piper 798fc05ba8 AP_HAL_ChibiOS: clean up linker map on H730 and H750 
use regular ChibiOS RAM areas for RAM functions
exclude board.o from RAM functions and add some comments
use separate linker script for H750
use correct RAM area for process stack on H750/H743
update EXCLUDE items to put __early_init in flash on H730 and H750
optimize H730 ramfunc usage
 		2023-04-28 08:31:15 +10:00
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README.md
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SPRacingH7_Board.JPG
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defaults.parm
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hwdef-bl.dat
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hwdef.dat
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README.md

Serious Pro Racing H6 Extreme Flight Controller

The SPRacingH7 Extreme is a flight controller produced by Seriously Pro Racing.

Features

  • MCU - STM32H750 32-bit processor running at 400 MHz
  • 16MByte Serial NOR flash via QuadSPI
  • IMUs - 2x ICM20602
  • Barometer - BMP388
  • OSD - AT7456E
  • Onboard Flash: 128Mbits
  • 7x UARTs (1,2,3,4,5,6,8)
  • 11x PWM Outputs (10 Motor Output, 1 LED)
  • Battery input voltage: 2S-6S
  • BEC 5V 1A

Pinout

SPRacingH7 Board

UART Mapping

The UARTs are marked Rn and Tn in the above pinouts. The Rn pin is the receive pin for UARTn. The Tn pin is the transmit pin for UARTn.

  • SERIAL0 -> USB
  • SERIAL1 -> UART1 (DMA-enabled)
  • SERIAL2 -> UART2 (RCIN one wire, DMA-enabled)
  • SERIAL3 -> UART3 (DMA-enabled)
  • SERIAL4 -> UART4 (DMA-enabled)
  • SERIAL5 -> UART5 (DMA-enabled)
  • SERIAL6 -> UART6 (On motor pads 7/8, with alt config 1, DMA-enabled)
  • SERIAL8 -> UART8 (DMA-enabled)

RC Input

RC input is configured on the T2 (UART2_TX) pin. It supports all serial RC protocols. For protocols requiring half-duplex serial to transmit telemetry (such as FPort) you should setup SERIAL2 as an RC input serial port, with half-duplex, pin-swap and inversion enabled.

FrSky Telemetry

FrSky Telemetry is supported using the T2 pin (UART2 transmit). You need to set the following parameters to enable support for FrSky S.PORT

  • SERIAL2_PROTOCOL 10
  • SERIAL2_OPTIONS 7

OSD Support

The SPRacingH7 supports OSD using OSD_TYPE 1 (MAX7456 driver).

PWM Output

The SPRacingH7 supports up to 11 PWM outputs. The pads for motor output M1 to M4 on the motor connectors and M5 to M8 on separate pads, plus M11 for LED strip or another PWM output. M9 and M10 are only available on the stacking connector.

The PWM is in 5 groups:

  • PWM 1-4 in group1
  • PWM 5, 6 in group2
  • PWM 7, 8 in group3
  • PWM 9, 10 in group4
  • PWM 11 in group5

Channels within the same group need to use the same output rate. If any channel in a group uses DShot then all channels in the group need to use DShot. Channels 1-4 support bi-directional dshot.

Battery Monitoring

The board has a builting voltage and current sensor. The current sensor can read up to 130 Amps. The voltage sensor can handle up to 6S LiPo batteries.

The correct battery setting parameters are:

  • BATT_MONITOR 4
  • BATT_VOLT_PIN 10
  • BATT_CURR_PIN 11
  • BATT_VOLT_MULT 11.1
  • BATT_AMP_PERVLT 59.5

Compass

The SPRacingH7 does not have a builtin compass, but you can attach an external compass using I2C on the SDA and SCL pads.

Loading Firmware

Since this board stores the flight control software on external flash the initial firmware load should be done using the SPRacing SSBL (https://github.com/spracing/ssbl). Please follow the instructions for loading PX4 firmware to load ArduPilot. A convenience script is provided Tools/scripts/ssbl_uploader.sh to perform the required steps. It should also be possible to load the ArduPilot bootloader via DFU, but doing so will invalidate your warranty.