add readme

ArduPilot · Dec 21, 2024 · f2f335c · f2f335c
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diff --git a/libraries/AP_HAL_ChibiOS/hwdef/StellarF4/README.md b/libraries/AP_HAL_ChibiOS/hwdef/StellarF4/README.md
@@ -0,0 +1,90 @@
+# StellarF4 Flight Controller
+
+https://stingbee.com.ua/flight_controllers/stellarf4
+
+
+## Features
+    Processor
+        STM32F405
+    Sensors
+        ICM-42688p/BMI270 Acc/Gyro
+        DPS310/BMP280 barometer
+        AT7456E OSD
+        W25Q128 dataflash
+    Power
+        6S Lipo input voltage with voltage monitoring
+        12V, 3A BEC for powering Video Transmitter
+        5V, 2A BEC for internal and peripherals
+    Interfaces
+        9x PWM outputs DShot capable
+        6x UARTs
+        1x I2C
+        2x ADC
+        SPI flash for logging
+        USB-C port
+    LED
+        Red, 3.3V power indicator
+        Green, FC status
+    Size
+        41 x 41mm PCB with 30.5mm M3 mounting
+
+
+## Overview
+
+![StellarF4](StellarF4_V1.png)
+
+## Wiring Diagram
+
+
+## UART Mapping
+
+The UARTs are marked Rx* and Tx* in the above pinouts. The Rx* pin is the
+receive pin for UART*. The Tx* pin is the transmit pin for UART*.
+
+ - SERIAL0 -> USB
+ - SERIAL1 -> USART1 (User)
+ - SERIAL2 -> USART2 (Serial RC input)
+ - SERIAL3 -> USART3 (User)
+ - SERIAL4 -> UART4  (User)
+ - SERIAL5 -> USART3 (User)
+ - SERIAL6 -> USART6 (User)
+
+
+## CAN and I2C
+
+StellarF4 supports I2C bus
+multiple I2C peripherals can be connected to one I2C bus in parallel.
+
+## RC Input
+
+RC input is configured on the UART2(SERIAL2). It supports all serial RC protocols. SERIAL2_PROTOCOL=23 by default.
+
+
+## OSD Support
+
+StellarF4 supports using its internal OSD using OSD_TYPE 1 (MAX7456 driver). External OSD support such as DJI or DisplayPort is supported using any spare UART. See :ref:`common-msp-osd-overview-4.2` for more info.
+
+## PWM Output
+
+StellarF4 supports up to 10 PWM outputs. All outputs support DShot.
+
+
+## Battery Monitoring
+
+The board has 1 built-in voltage dividers and 1x current ADC. support external 3.3V based current sensor
+
+
+## Compass
+
+StellarF4 does not have a built-in compass, but you can attach an external compass using I2C on the SDA and SCL pads.
+
+
+## Loading Firmware
+Firmware for these boards can be found at https://firmware.ardupilot.org in sub-folders labeled StellarH7V2.
+
+Initial firmware load can be done with DFU by plugging in USB with the
+boot button pressed. Then you should load the "ardu*_with_bl.hex" firmware, using your favourite DFU loading tool. eg STM32CubeProgrammer
+
+Subsequently, you can update firmware with Mission Planner.
+
+
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/StellarF4/StellarF4_V1.png b/libraries/AP_HAL_ChibiOS/hwdef/StellarF4/StellarF4_V1.png
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/StellarF4/hwdef-bl.dat b/libraries/AP_HAL_ChibiOS/hwdef/StellarF4/hwdef-bl.dat
@@ -5,7 +5,7 @@
 MCU STM32F4xx STM32F405xx
 
 # board ID for firmware load
-APJ_BOARD_ID 1500
+APJ_BOARD_ID AP_HW_StellarF4
 
 # crystal frequency
 OSCILLATOR_HZ 8000000

diff --git a/libraries/AP_HAL_ChibiOS/hwdef/StellarF4/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/StellarF4/hwdef.dat
@@ -6,7 +6,7 @@
 MCU STM32F4xx STM32F405xx
 
 # board ID for firmware load
-APJ_BOARD_ID 1500
+APJ_BOARD_ID AP_HW_StellarF4
 
 # crystal frequency
 OSCILLATOR_HZ 8000000