New target: SPEDIXH743#11567
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sensei-hacker merged 3 commits intoMay 23, 2026
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STM32H743 based FC with dual ICM42688P gyros on SPI1/SPI4, MAX7456 OSD on SPI2, M25P16 flash on SPI3, BMP280/DPS310 baro on I2C1, 8 motors (TIM1x4, TIM8x2, TIM3x2), 8 UARTs, and PINIO for VTX and camera switching.
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Test firmware build ready — commit Download firmware for PR #11567 1 targets built. Find your board's
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PC-port pins on STM32H743 require ADC3. PC1 (VBat, ADC123_INP11) and PC2 (Current, ADC3_INP0) both work on ADC3; ADC1 init silently fails for these pins. Same fix applied to MAMBAH743, FOXEERH743.
- Add USE_I2C_DEVICE_2 (PB10/PB11) for external magnetometer - Route MAG_I2C_BUS to BUS_I2C2 to match board layout - Fix VBAT_SCALE_DEFAULT (was Betaflight value, not INAV scale) Both ADC and magnetometer verified working on hardware.
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Summary
Adds a new target for the Spedix H743, an STM32H743-based flight controller with dual ICM42688P gyros.
Hardware
Changes
src/main/target/SPEDIXH743/target.h— pin definitions, feature enables, UART/SPI/I2C/ADC configsrc/main/target/SPEDIXH743/target.c— timer hardware table, BUSDEV SPI registrations for both gyrossrc/main/target/SPEDIXH743/config.c— PINIO box assignments (USER1/USER2)src/main/target/SPEDIXH743/CMakeLists.txt— build system registrationNotes
DEVHW_ICM42605(the ICM42605 driver is compatible with the ICM42688P)NONEirqPin) viaUSE_TARGET_IMU_HARDWARE_DESCRIPTORSTesting
maintenance-9.xwith zero warningsCode Review
Reviewed prior to PR — no critical issues. Dead
CAMERA_CONTROL_PINdefine (Betaflight-ism not used in INAV) was caught and removed during review.Documentation
No end-user documentation needed for a new target.