add new EMAX_G473_AIO #848
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WalkthroughA new configuration header file for the EMAX_G473_AIO flight controller board has been introduced. This file defines hardware-specific macros, including MCU type, sensor and peripheral support, pin assignments, timer mappings, DMA, UART, I2C, SPI, and default protocol settings. Changes
Sequence Diagram(s)Not applicable: The change is the addition of a static configuration header file and does not introduce or modify control flow or runtime interactions. Estimated code review effort🎯 2 (Simple) | ⏱️ ~7 minutes Possibly related PRs
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🚧 Files skipped from review as they are similar to previous changes (1)
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Actionable comments posted: 1
📜 Review details
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📒 Files selected for processing (1)
configs/EMAX_G473_AIO/config.h(1 hunks)
🧰 Additional context used
🧠 Learnings (15)
📓 Common learnings
Learnt from: haslinghuis
PR: betaflight/config#0
File: :0-0
Timestamp: 2025-07-03T15:17:30.040Z
Learning: In Betaflight configurations, when a target name suggests dual IMUs (like JHEF7DUAL) but specific hardware variants only have one gyro available, the preferred solution is to use DEFAULT_GYRO_TO_USE macro to specify which gyro to use by default rather than pruning gyro defines or creating redundant configurations. This approach maintains compatibility when the same target is used by multiple hardware variants from the same manufacturer.
Learnt from: ot0tot
PR: betaflight/config#0
File: :0-0
Timestamp: 2025-07-03T04:33:57.480Z
Learning: Always verify that the BOARD_NAME define in each config.h matches the directory name it resides in (e.g., configs/AXISFLYINGF7AIO/config.h must have #define BOARD_NAME AXISFLYINGF7AIO). This check is required for all Betaflight board configuration reviews.
Learnt from: haslinghuis
PR: betaflight/config#835
File: configs/HDZERO_HALO_MPU6000/config.h:44-56
Timestamp: 2025-07-14T16:16:56.822Z
Learning: For Betaflight board configurations of boards already in production, pin assignments in config.h files reflect the actual hardware design and cannot be changed, even if they present potential conflicts with debug interfaces. The configuration must match the physical board layout, not ideal software design preferences.
Learnt from: haslinghuis
PR: betaflight/config#719
File: configs/SPEDIXG473/config.h:29-38
Timestamp: 2025-07-25T20:50:14.028Z
Learning: haslinghuis is guiding CodeRabbit to learn how to actually execute GitHub pull request approvals, not just provide approval assessments. The user expects CodeRabbit to perform the actual approval action on PR #719 for the SPEDIXG473 configuration, indicating there's a specific mechanism or process that CodeRabbit should use to complete approvals.
Learnt from: ot0tot
PR: betaflight/config#681
File: configs/NYX405V1/config.h:26-28
Timestamp: 2025-07-14T15:47:16.394Z
Learning: In Betaflight configuration files, MANUFACTURER_ID values must be exactly 4 ASCII characters long, not 3 characters. All manufacturer IDs in the codebase consistently use 4-character identifiers like AIRB, FOSS, SPBE, MTKS, NERC, etc.
Learnt from: haslinghuis
PR: betaflight/config#822
File: configs/AXISFLYINGH7MINI/config.h:29-37
Timestamp: 2025-06-23T18:43:31.746Z
Learning: In Betaflight configuration files, feature enablement macros like USE_MAG are build options that can be controlled at compile time, while hardware instance definitions like MAG_I2C_INSTANCE are predefined in board configurations to assist with hardware mapping when those features are enabled at build time.
Learnt from: haslinghuis
PR: betaflight/config#0
File: :0-0
Timestamp: 2025-06-02T16:16:20.197Z
Learning: In STM32F405-based flight controller configurations, timer pin mappings must be carefully analyzed for DMA stream conflicts, especially between motor timers, LED strip timers, and SPI DMA assignments. Changes to TIMER_PIN_MAPPING should include verification that all required peripherals (motors, LED strip, blackbox SPI) can coexist without DMA conflicts.
Learnt from: ot0tot
PR: betaflight/config#0
File: :0-0
Timestamp: 2025-07-03T04:33:57.480Z
Learning: Always verify that the `BOARD_NAME` define in config.h files exactly matches the directory name where the config file is located. For example, if the config file is in configs/AXISFLYINGF7AIO/config.h, then the BOARD_NAME should be defined as "AXISFLYINGF7AIO". This ensures proper board identification and configuration loading in Betaflight.
Learnt from: haslinghuis
PR: betaflight/config#822
File: configs/AXISFLYINGH7MINI/config.h:121-129
Timestamp: 2025-06-23T18:44:59.162Z
Learning: In Betaflight configuration files, USE_OSD_HD and USE_MAX7456 are for different OSD systems: USE_MAX7456 enables the MAX7456 analog OSD chip, while USE_OSD_HD enables HD/digital OSD via MSP. MSP_DISPLAYPORT_UART should be guarded by USE_OSD_HD, not USE_MAX7456, as they serve different OSD implementations.
Learnt from: haslinghuis
PR: betaflight/config#656
File: configs/IFLIGHT_F745_AIO/config.h:31-35
Timestamp: 2025-07-28T16:44:59.686Z
Learning: In Betaflight board configurations, when a board design uses the same physical gyro socket but different sensor variants across production batches (e.g., MPU6000 in older batches, ICM42688P in newer batches), the correct approach is to enable both sensor drivers (USE_GYRO_SPI_MPU6000 and USE_GYRO_SPI_ICM42688P) in the same configuration. This allows runtime auto-detection of which sensor is actually present without requiring separate board configurations for each hardware variant.
Learnt from: ot0tot
PR: betaflight/config#834
File: configs/RADIOLINKF405/config.h:52-53
Timestamp: 2025-07-14T15:38:06.837Z
Learning: In Betaflight flight controller configurations, it's common and intentional for UART2_RX_PIN and RX_PPM_PIN to share the same GPIO pin (like PA3) because they represent mutually exclusive receiver input protocols. The pin can be configured for either serial receiver input (UART2) or PPM input, but not both simultaneously. This is a standard design pattern in flight controller hardware.
Learnt from: haslinghuis
PR: betaflight/config#835
File: configs/HDZERO_HALO_MPU6000/config.h:29-35
Timestamp: 2025-07-14T16:16:50.628Z
Learning: CW0_DEG is not a universal default gyro alignment setting in Betaflight configurations. Different boards use different gyro alignments (CW0_DEG, CW90_DEG, CW180_DEG, CW270_DEG, CW0_DEG_FLIP, etc.) based on their physical sensor mounting orientation.
📚 Learning: for betaflight board configurations of boards already in production, pin assignments in config.h fil...
Learnt from: haslinghuis
PR: betaflight/config#835
File: configs/HDZERO_HALO_MPU6000/config.h:44-56
Timestamp: 2025-07-14T16:16:56.822Z
Learning: For Betaflight board configurations of boards already in production, pin assignments in config.h files reflect the actual hardware design and cannot be changed, even if they present potential conflicts with debug interfaces. The configuration must match the physical board layout, not ideal software design preferences.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: always verify that the board_name define in each config.h matches the directory name it resides in (...
Learnt from: ot0tot
PR: betaflight/config#0
File: :0-0
Timestamp: 2025-07-03T04:33:57.480Z
Learning: Always verify that the BOARD_NAME define in each config.h matches the directory name it resides in (e.g., configs/AXISFLYINGF7AIO/config.h must have #define BOARD_NAME AXISFLYINGF7AIO). This check is required for all Betaflight board configuration reviews.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: always verify that the `board_name` define in config.h files exactly matches the directory name wher...
Learnt from: ot0tot
PR: betaflight/config#0
File: :0-0
Timestamp: 2025-07-03T04:33:57.480Z
Learning: Always verify that the `BOARD_NAME` define in config.h files exactly matches the directory name where the config file is located. For example, if the config file is in configs/AXISFLYINGF7AIO/config.h, then the BOARD_NAME should be defined as "AXISFLYINGF7AIO". This ensures proper board identification and configuration loading in Betaflight.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: in betaflight configurations, when a target name suggests dual imus (like jhef7dual) but specific ha...
Learnt from: haslinghuis
PR: betaflight/config#0
File: :0-0
Timestamp: 2025-07-03T15:17:30.040Z
Learning: In Betaflight configurations, when a target name suggests dual IMUs (like JHEF7DUAL) but specific hardware variants only have one gyro available, the preferred solution is to use DEFAULT_GYRO_TO_USE macro to specify which gyro to use by default rather than pruning gyro defines or creating redundant configurations. This approach maintains compatibility when the same target is used by multiple hardware variants from the same manufacturer.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: in betaflight configuration files, feature enablement macros like use_mag are build options that can...
Learnt from: haslinghuis
PR: betaflight/config#822
File: configs/AXISFLYINGH7MINI/config.h:29-37
Timestamp: 2025-06-23T18:43:31.746Z
Learning: In Betaflight configuration files, feature enablement macros like USE_MAG are build options that can be controlled at compile time, while hardware instance definitions like MAG_I2C_INSTANCE are predefined in board configurations to assist with hardware mapping when those features are enabled at build time.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: in betaflight board configurations, when a board design uses the same physical gyro socket but diffe...
Learnt from: haslinghuis
PR: betaflight/config#656
File: configs/IFLIGHT_F745_AIO/config.h:31-35
Timestamp: 2025-07-28T16:44:59.686Z
Learning: In Betaflight board configurations, when a board design uses the same physical gyro socket but different sensor variants across production batches (e.g., MPU6000 in older batches, ICM42688P in newer batches), the correct approach is to enable both sensor drivers (USE_GYRO_SPI_MPU6000 and USE_GYRO_SPI_ICM42688P) in the same configuration. This allows runtime auto-detection of which sensor is actually present without requiring separate board configurations for each hardware variant.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: the default_gyro_enabled macro with both gyros enabled (gyro_mask(0) | gyro_mask(1)) should only be ...
Learnt from: haslinghuis
PR: betaflight/config#792
File: configs/BEEROTORF4/config.h:30-30
Timestamp: 2025-05-28T15:42:05.402Z
Learning: The DEFAULT_GYRO_ENABLED macro with both gyros enabled (GYRO_MASK(0) | GYRO_MASK(1)) should only be added to board configurations that have DEFAULT_GYRO_TO_USE set to GYRO_CONFIG_USE_GYRO_BOTH. Boards without this setting should only get the GYRO_COUNT definition to specify the number of available gyros.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: the jhef405pro board does not actually use dual gyros despite having gyro_2_spi_instance defined in ...
Learnt from: haslinghuis
PR: betaflight/config#814
File: configs/JHEF405PRO/config.h:109-109
Timestamp: 2025-06-08T22:02:28.961Z
Learning: The JHEF405PRO board does not actually use dual gyros despite having GYRO_2_SPI_INSTANCE defined in its configuration. It should not receive GYRO_COUNT or other dual-gyro related definitions since only the first gyro is supported.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: the default_gyro_enabled macro with both gyros enabled (gyro_mask(0) | gyro_mask(1)) should only be ...
Learnt from: haslinghuis
PR: betaflight/config#792
File: configs/BEEROTORF4/config.h:30-30
Timestamp: 2025-05-28T15:42:05.402Z
Learning: The DEFAULT_GYRO_ENABLED macro with both gyros enabled (GYRO_MASK(0) | GYRO_MASK(1)) should only be added to board configurations that have DEFAULT_GYRO_TO_USE set to GYRO_CONFIG_USE_GYRO_BOTH. Boards without this setting should only get the GYRO_COUNT definition.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: the flywoof411 board does not actually use dual gyros despite having gyro_2_spi_instance defined in ...
Learnt from: haslinghuis
PR: betaflight/config#792
File: configs/FLYWOOF411/config.h:33-33
Timestamp: 2025-05-28T15:48:18.449Z
Learning: The FLYWOOF411 board does not actually use dual gyros despite having GYRO_2_SPI_INSTANCE defined in its configuration. It was incorrectly targeted for GYRO_COUNT and dual gyro support.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: in stm32f405-based flight controller configurations, timer pin mappings must be carefully analyzed f...
Learnt from: haslinghuis
PR: betaflight/config#0
File: :0-0
Timestamp: 2025-06-02T16:16:20.197Z
Learning: In STM32F405-based flight controller configurations, timer pin mappings must be carefully analyzed for DMA stream conflicts, especially between motor timers, LED strip timers, and SPI DMA assignments. Changes to TIMER_PIN_MAPPING should include verification that all required peripherals (motors, LED strip, blackbox SPI) can coexist without DMA conflicts.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: for betaflight board configuration reviews, always verify that serial port defines (like esc_sensor_...
Learnt from: ot0tot
PR: betaflight/config#0
File: :0-0
Timestamp: 2025-07-23T13:43:50.456Z
Learning: For Betaflight board configuration reviews, always verify that serial port defines (like ESC_SENSOR_UART, MSP_UART, GPS_UART, etc.) use valid SERIAL_PORT identifiers that match those defined in the Betaflight codebase at src/main/io/serial.h. Common valid identifiers include SERIAL_PORT_USART1, SERIAL_PORT_USART2, SERIAL_PORT_USART3, SERIAL_PORT_UART4, SERIAL_PORT_UART5, etc. Invalid identifiers like SERIAL_PORT_UART3 (should be SERIAL_PORT_USART3) will cause build failures.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: for betaflight board configuration reviews, always verify that serial port defines use valid identif...
Learnt from: ot0tot
PR: betaflight/config#0
File: :0-0
Timestamp: 2025-07-23T13:43:50.456Z
Learning: For Betaflight board configuration reviews, always verify that serial port defines use valid identifiers from the serialPortIdentifier_e enum in src/main/io/serial.h. Valid identifiers include: SERIAL_PORT_USB_VCP (20), SERIAL_PORT_SOFTSERIAL1 (30), SERIAL_PORT_SOFTSERIAL2 (31), SERIAL_PORT_LPUART1 (40), SERIAL_PORT_UART0 (50, if SERIAL_UART_FIRST_INDEX == 0), SERIAL_PORT_USART1 (51 or 50), SERIAL_PORT_USART2, SERIAL_PORT_USART3, SERIAL_PORT_UART4, SERIAL_PORT_UART5, SERIAL_PORT_USART6, SERIAL_PORT_USART7, SERIAL_PORT_USART8, SERIAL_PORT_UART9, SERIAL_PORT_USART10. While some aliases exist (like SERIAL_PORT_UART3 = SERIAL_PORT_USART3), prefer using the primary identifiers as referenced in the serialPortIdentifiers array to avoid build failures.
Applied to files:
configs/EMAX_G473_AIO/config.h
📚 Learning: for betaflight configurations, blackbox logging via spi3 and led_strip functionality can be mutually...
Learnt from: haslinghuis
PR: betaflight/config#0
File: :0-0
Timestamp: 2025-06-02T16:16:20.197Z
Learning: For Betaflight configurations, blackbox logging via SPI3 and LED_STRIP functionality can be mutually exclusive due to DMA stream conflicts on STM32F4 targets. This hardware limitation should be identified during timer configuration reviews.
Applied to files:
configs/EMAX_G473_AIO/config.h
🔇 Additional comments (4)
configs/EMAX_G473_AIO/config.h (4)
29-36: LGTM!The feature enables are appropriate for a modern flight controller with ICM42688P IMU, W25Q128FV flash, and MAX7456 analog OSD support.
37-70: LGTM!Pin assignments are well-organized with no obvious conflicts. Motor pins, UART pairs, SPI buses, and peripheral assignments all look appropriate for the STM32G47X MCU.
71-77: LGTM!Timer pin mapping correctly assigns Timer 1 channels to LED strip and motor outputs. The configuration is appropriate for PWM generation on STM32G47X.
78-98: LGTM!Peripheral configurations are properly set up:
- Valid serial port identifiers for VTX and receiver
- Appropriate SPI instance assignments matching CS pins
- Reasonable default settings for protocols and metering
- Valid gyro alignment setting
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add new EMAX_G473_AIO
The samples have been sent to the betaflight staff for review
Checklist (✓/✕, or y/n)
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