hwdef: Add Aocoda-RC-H743Dual target

libraries/AP_HAL_ChibiOS/hwdef/Aocoda-RC-H743Dual/README.md

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+# Aocoda-RC-H743Dual Flight Controller
+
+The Aocoda-RC-H743Dual is a flight controller produced by [Aocoda-RC](https://www.aocoda-rc.com/). 
+
+## Features
+
+- MCU：STM32H743VIH6
+- Gyro：MPU6000/BIM270x2
+- Baro：DPS310/MS56XX/BMP280
+- Blackbox：128MB
+- PWM output：10CH
+- Servo：2CH
+- UART：8CH
+- Power Supply：3-6SLipo
+- BEC Output：5V/2.5A, 9V/3A
+- USB Connector: Type-C
+- Weight：8.8g
+- Size：37mm x 37mm
+- Mounting Hole：30.5mm x 30.5mm
+
+## Pinout
+
+
+![Aocoda-RC-H743Dual Top](Aocoda-RC-H743Dual_top.jpg "Aocoda-RC-H743Dual Top")
+![Aocoda-RC-H743Dual Bottom](Aocoda-RC-H743Dual_bottom.jpg "Aocoda-RC-H743Dual Bottom")
+![Aocoda-RC-H743Dual Wiring](Aocoda-RC-H743Dual_Wiring_Diagram.jpg "Aocoda-RC-H743Dual Wiring")
+
+
+## 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 (primary mavlink, usually USB)
+ - SERIAL1 -> UART1 (RC input)
+ - SERIAL2 -> UART2 (Telemetry) 
+ - SERIAL3 -> UART3 (GPS)
+ - SERIAL4 -> UART4 (VTX)
+ - SERIAL5 -> not available
+ - SERIAL6 -> UART6 (ESC Telemetry)
+ - SERIAL7 -> UART7
+ - SERIAL8 -> UART8
+
+## RC Input
+
+RC input is configured on the R1 (UART1_RX) pin. It supports all RC protocols. For protocols requiring half-duplex serial to transmit telemetry (such as CRSF/FPort) you should set BRD_ALT_CONFIG=1 and setup SERIAL1 as an RC input serial port, with half-duplex, pin-swap
+and inversion enabled.
+
+## FrSky Telemetry
+
+FrSky Telemetry is supported using the Tx pin of any UART including SERIAL1/UART1 . You need to set the following parameters to enable support for FrSky S.PORT (example shows SERIAL1). Note this assumes the RC input is using default (ALT_BRD_CONFIG =0). Obviously, if using ALT_BRD_CONFIG = 1 for full duplex RC protocols, you must a different UART for FrSky Telemetry.
+
+  - SERIAL1_PROTOCOL 10
+  - SERIAL1_OPTIONS 7
+
+## OSD Support
+
+The Aocoda-RC-H743Dual supports OSD using OSD_TYPE 1 (MAX7456 driver).
+
+## PWM Output
+
+The Aocoda-RC-H743Dual supports up to 10 PWM outputs. The pads for motor output S1 to S10 on the two motor connectors.
+
+The PWM is in 5 groups:
+
+ - PWM 1, 2  in group1
+ - PWM 3, 4  in group2
+ - PWM 5, 6  in group3
+ - PWM 7, 8  in group4
+ - PWM 9, 10 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.
+
+## Battery Monitoring
+
+The board has a built-in voltage and current sensor. The current sensor can read up to 130 Amps. The voltage sensor can handle from 3S 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
+
+Please calibrate before use amp parameters.
+
+ - BATT_AMP_PERVLT 17.0
+
+*Note: Please check carefully before use BATT_AMP_PERVLT, as voltage divider circuit for data collection is at ESC/BEC side*
+
+## Compass
+
+The Aocoda-RC-H743Dual does not have a built-in compass, but you can attach an external compass using I2C on the SDA and SCL pads.
+
+## Loading Firmware
+
+Initial firmware load can be done with DFU by plugging in USB with the bootloader button pressed. Then you should load the "with_bl.hex" firmware, using your favourite DFU loading tool.
+
+Once the initial firmware is loaded you can update the firmware using any ArduPilot ground station software. Updates should be done with the *.apj firmware files.
+

libraries/AP_HAL_ChibiOS/hwdef/Aocoda-RC-H743Dual/defaults.parm

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+# logging
+LOG_BACKEND_TYPE    4
+LOG_FILE_BUFSIZE    4
+

libraries/AP_HAL_ChibiOS/hwdef/Aocoda-RC-H743Dual/hwdef-bl.dat

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+# hw definition file for processing by chibios_pins.py
+#
+
+# MCU class and specific type
+MCU STM32H7xx STM32H743xx
+
+# board ID for firmware load
+APJ_BOARD_ID AP_HW_AOCODA-RC-H743DUAL
+
+# crystal frequency, setup to use external oscillator
+OSCILLATOR_HZ 8000000
+
+FLASH_SIZE_KB 2048
+
+# bootloader starts at zero offset
+FLASH_RESERVE_START_KB 0
+
+# use last 2 pages for flash storage
+# H743 has 16 pages of 128k each
+STORAGE_FLASH_PAGE 14
+
+# the location where the bootloader will put the firmware
+# the H743 has 128k sectors
+FLASH_BOOTLOADER_LOAD_KB 128
+
+
+# order of UARTs (and USB). Allow bootloading on USB and telem1
+SERIAL_ORDER OTG1 #UART7
+
+# UART7 (telem1)
+#PE7 UART7_RX UART7 NODMA
+#PE8 UART7_TX UART7 NODMA
+
+# PA10 IO-debug-console
+PA11 OTG_FS_DM OTG1
+PA12 OTG_FS_DP OTG1
+
+PA13 JTMS-SWDIO SWD
+PA14 JTCK-SWCLK SWD
+
+PE3 LED_BOOTLOADER OUTPUT LOW
+define HAL_LED_ON 0
+
+# Add CS pins to ensure they are high in bootloader
+PC15 IMU1_CS CS
+PB12 MAX7456_CS CS
+PE11 IMU2_CS CS
+PD3  FLASH_CS CS