foxBMS 2 Software Modules (v1.10.0)

Source: docs.foxbms.org/software/modules


Application Modules

# Module Source Description
4.1 Algorithm src/app/application/algorithm/ SOC/SOE/SOF state estimation framework
4.2 Balancing src/app/application/bal/ Voltage-based + history-based cell balancing
4.3 BMS src/app/application/bms/ BMS state machine (STANDBY→NORMAL→ERROR)
4.4 Plausibility src/app/application/plausibility/ Sensor data consistency validation
4.5 Redundancy src/app/application/redundancy/ IVT cross-checking, AFE validation
4.6 SOA src/app/application/soa/ Safe Operating Area checks (MOL/RSL/MSL)

Engine Modules

# Module Source Description
4.7 Database src/app/engine/database/ Producer/consumer data exchange
4.8 Diagnosis src/app/engine/diag/ Fault detection, threshold counters, callbacks
4.9 HW Info src/app/engine/hw_info/ Hardware configuration info
4.10 SYS src/app/engine/sys/ System state machine (init → RUNNING)
4.11 SYS_MON src/app/engine/sys_mon/ Task timing compliance monitoring

Task Modules

# Module Source Description
4.12 FTASK src/app/task/ftask/ 7 FreeRTOS tasks, creation, scheduling
4.13 OS src/app/task/os/ OS abstraction layer

Driver Modules

# Module Source Description
4.14 ADC src/app/driver/adc/ Analog-to-digital conversion
4.15 CAN src/app/driver/can/ CAN bus TX/RX, callbacks, mailbox config
4.16 CRC src/app/driver/crc/ CRC calculations
4.17 Contactor src/app/driver/contactor/ Contactor open/close, feedback
4.18 DMA src/app/driver/dma/ Direct memory access
4.19 foxmath src/app/driver/foxmath/ Math utilities
4.20 utils src/app/driver/foxmath/ General utilities
4.21 FRAM src/app/driver/fram/ Ferroelectric RAM
4.22 HTSEN src/app/driver/htsen/ Humidity/temperature sensor
4.23 I2C src/app/driver/i2c/ I2C communication
4.24 IMD src/app/driver/imd/ Insulation monitoring (Bender IR155/iso165c)
4.25 Interlock src/app/driver/interlock/ Safety interlock circuit
4.26 IO src/app/driver/io/ GPIO pin management
4.27 MEAS src/app/driver/meas/ Measurement acquisition
4.28 MCU src/app/driver/mcu/ MCU interface
4.29 AFE API src/app/driver/afe/ Analog Front-End interface
4.30 AFE Impls src/app/driver/afe/ ADI ADES1830, LTC, Maxim, NXP MC33775A, Debug
4.31 PEX src/app/driver/pex/ Port expander
4.32 PWM src/app/driver/pwm/ Pulse-width modulation
4.33 RTC src/app/driver/rtc/ Real-time clock
4.34 SBC src/app/driver/sbc/ System Basis Chip (NXP FS8x)
4.35 SPI src/app/driver/spi/ SPI communication
4.36 SPS src/app/driver/sps/ Smart Power Switch (contactors)
4.37 TS API src/app/driver/ts/ Temperature sensor interface
4.38 TS Impls src/app/driver/ts/ Thermistor implementations

Startup / Misc

# Module Source Description
4.39 Startup src/app/main/ System initialization sequence
4.40 Version src/app/main/ Version information
4.41 fassert src/app/main/include/fassert.h Runtime assertions

Bold = modules critical to the POSIX port.