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Feature/madflight fc3 config new sensors #1030

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f5c8546
MADFLIGHT_FC3: add I2C sensor configuration
gintaris Feb 16, 2026
48bd398
MADFLIGHT_FC3: update BMP580 defines to BMP5XX for driver rename
gintaris Feb 16, 2026
eef94f1
MADFLIGHT_FC3: Use default DSHOT motor protocol
gintaris Feb 16, 2026
574396e
MADFLIGHT_FC3: Add INA226, BMP580, MMC5603 sensor configs
gintaris Feb 18, 2026
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35 changes: 28 additions & 7 deletions configs/MADFLIGHT_FC3/config.h
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Original file line number Diff line number Diff line change
Expand Up @@ -38,21 +38,32 @@
//------------------

// Bus for internal I2C sensors
// NOTE: Board has BMP580 barometer, MMC5603 compass and INA226 power sensor. Sensors not supported by betaflight_2025.12.0-beta
// NOTE: Board has BMP580 barometer, MMC5603 compass and INA226 power sensor.
// Sensor drivers: PR #14925 (BMP580), PR #14924 (MMC5603), PR #14927 (INA226)
#define I2C0_SCL_PIN PA33
#define I2C0_SDA_PIN PA32
#define I2C0_CLOCKSPEED 100 // 100kHz for internal sensors
#define USE_I2C_PULLUP // Enable internal pull-ups

// LED
#define LED0_PIN PA45 // blue
//#define LED0_INVERTED

// Battery voltage
// Battery voltage - external ADC as fallback
#define USE_ADC
#define ADC_INSTANCE ADC1
#define ADC_VBAT_PIN PA44
#define DEFAULT_VOLTAGE_METER_SOURCE VOLTAGE_METER_ADC
#define DEFAULT_VOLTAGE_METER_SCALE 110 // 100k/10k divider

// INA226 Current/Voltage Sensor (connected to I2C0) - requires PR #14927
#define USE_CURRENT_METER_INA226
#define DEFAULT_INA226_I2C_DEVICE 1 // 1 = I2CDEV_0 (internal I2C bus)
#define DEFAULT_INA226_ADDRESS 0x40 // Default INA226 address (A0=GND, A1=GND)
#define DEFAULT_INA226_SHUNT_RESISTANCE 2000 // 2mΩ shunt resistor (2000 µΩ)
#define DEFAULT_INA226_MAX_CURRENT 50000 // 50A maximum expected current
#define DEFAULT_CURRENT_METER_SOURCE CURRENT_METER_INA226
#define DEFAULT_VOLTAGE_METER_SOURCE VOLTAGE_METER_INA226

// RGB LED
#define LED_STRIP_PIN PA46

Expand All @@ -63,6 +74,8 @@
#define USE_ACC
#define USE_ACC_SPI_ICM42688P
#define USE_ACCGYRO_ICM45686
#define USE_ACCGYRO_LSM6DSO
#define USE_ACCGYRO_LSM6DSV16X
#define USE_SPI_DEVICE_1
#define SPI1_SCK_PIN PA30
#define SPI1_SDI_PIN PA28
Expand Down Expand Up @@ -182,8 +195,14 @@
//+3.3V
//GND

// Optional external barometer connected to I2C1 (second i2c bus) PA2=SDA PA3=SCL
// Internal BMP580 barometer on I2C0 - requires PR #14925
#define USE_BARO
#define USE_BARO_BMP580
#define USE_BARO_BMP581
#define DEFAULT_BARO_BMP580
#define BARO_I2C_INSTANCE I2CDEV_0

// Optional external barometers on I2C1 (second i2c bus) PA2=SDA PA3=SCL
#define USE_BARO_MS5611
#define USE_BARO_BMP280
#define USE_BARO_BMP388
Expand All @@ -193,14 +212,16 @@
#define USE_BARO_BMP085
#define USE_BARO_2SMBP_02B
#define USE_BARO_LPS22DF
#define BARO_I2C_INSTANCE I2CDEV_1

// Optional external compass connected to I2C1 (second i2c bus) PA2=SDA PA3=SCL
// Internal MMC5603 magnetometer on I2C0 - requires PR #14924
#define USE_MAG
#define USE_MAG_MMC5603
#define MAG_I2C_INSTANCE I2CDEV_0

// Optional external compass on I2C1 (second i2c bus) PA2=SDA PA3=SCL
#define USE_MAG_HMC5883
#define USE_MAG_QMC5883
#define USE_MAG_LIS2MDL
#define USE_MAG_LIS3MDL
#define USE_MAG_AK8975
#define USE_MAG_IST8310
#define MAG_I2C_INSTANCE I2CDEV_1