Structure

• FreeRTOS-Kernel - FreeRTOS kernel source code
• FreeRTOS-glue - Extra glue to hold together FreeRTOS kernel and flipper firmware
• app-scened-template - C++ app library
• callback-connector - Callback connector library
• cmsis_core - CMSIS Core package, contain cortex-m core headers
• cxxheaderparser - C++ headers parser, used by SDK bundler
• digital_signal - Digital signal library: used by NFC for software implemented protocols
• drivers - Various flipper drivers
• fatfs - FatFS file system driver
• flipper_application - Flipper application library, used for FAPs
• flipper_format - Flipper File Format library
• fnv1a-hash - FNV-1a hash library
• heatshrink - Heatshrink compression library
• ibutton - ibutton library, used by iButton application
• infrared - Infrared library, used by Infrared application
• lfrfid - LF-RFID library, used by LF RFID application
• libusb_stm32 - LibUSB for STM32 series MCU
• littlefs - LittleFS file system driver, used by internal storage
• mbedtls - MbedTLS cryptography library
• micro-ecc - MicroECC cryptography library
• microtar - MicroTAR library
• mlib - M-Lib C containers library
• nanopb - NanoPB library, protobuf implementation for MCU
• nfc - NFC library, used by NFC application
• one_wire - OneWire library, used by iButton application
• print - Tiny printf implementation
• digital_signal - Digital Signal library used by NFC for software implemented protocols
• pulse_reader - Pulse Reader library used by NFC for software implemented protocols
• qrcode - QR-Code library
• stm32wb_cmsis - STM32WB series CMSIS headers, extends CMSIS Core
• stm32wb_copro - STM32WB Copro library: contains WPAN and radio co-processor firmware
• stm32wb_hal - STM32WB HAL library, extends STM32WB CMSIS and provides HAL
• subghz - Subghz library, used by SubGhz application
• toolbox - Toolbox library, contains various things that is used by flipper firmware
• u8g2 - u8g2 graphics library, used by GUI subsystem
• update_util - update utilities library, used by updater