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Use when integrating, porting, configuring, or debugging third-party MCU embedded C libraries in bare-metal or RTOS projects
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Baseado na classificação ocupacional SOC
Use when debugging Cortex-R5 or Cortex-R firmware — TCM, MPU, caches, DFSR/DFAR aborts, exceptions, GIC/VIC interrupts, lockstep or split mode, ECC, or JTAG bring-up
Use when integrating or debugging heatshrink embedded compression — encoder/decoder sink/poll/finish loops, window/lookahead sz2, HSER/HSDR codes, or static vs dynamic alloc
Use when integrating, porting, or debugging micro-ecc (uECC) ECDH, ECDSA, key generation, uECC_set_rng, signatures, curve selection, or key/signature byte formats on an MCU
Use when debugging OpenOCD, J-Link, ST-Link, CMSIS-DAP, probe connection, reset scripts, flash algorithms, GDB attach, semihosting, RTT, or SWD/JTAG failures
Use when integrating, refactoring, or debugging PLOOC object-oriented C - def_class encapsulation, private_member protection, vtable dispatch, or inheritance-style structs
Use when integrating or debugging Li-ion charger/fuel gauge ICs (BQ24295, BQ27441, MAX17048) over I2C, covering charge start, watchdog host mode, NTC/JEITA faults, and SOC jumps
| name | embedded-library-entry |
| description | Use when integrating, porting, configuring, or debugging third-party MCU embedded C libraries in bare-metal or RTOS projects |
Use this skill as the entry point for MCU library integration work. Classify the library type, target platform, runtime model, resource limits, and required porting layer before routing to a specific library skill.
Use this skill when:
Do not use this skill when the problem is only board bring-up, flashing, serial logs, or architecture faults. Use the embedded debug skills first.
Ask only what is needed to route:
Storage & Filesystem
| Library or task | Prefer |
|---|---|
| littlefs filesystem or block device | littlefs-integration |
| FatFs disk I/O, FAT/exFAT | fatfs-integration |
| FlashDB KV/time-series database | flashdb-integration |
Logging & Diagnosis
| Library or task | Prefer |
|---|---|
| EasyLogger output, filters, async logs | easylogger-integration |
| CmBacktrace Cortex-M crash backtrace | cmbacktrace-integration |
| SEGGER RTT logs, control block, J-Link I/O | segger-rtt-integration |
Shell & CLI
| Library or task | Prefer |
|---|---|
| letter-shell command shell | letter-shell-integration |
| nr_micro_shell tiny CLI | nr-micro-shell-integration |
| zoom-shell embedded console | zoom-shell-integration |
Networking & Protocols
| Library or task | Prefer |
|---|---|
| lwIP netif, DHCP, TCP, UDP | lwip-integration |
| FreeRTOS+TCP network driver, sockets | freertos-plus-tcp-integration |
| MQTT client, keepalive, QoS, TLS | mqtt-embedded-integration |
| FreeModbus RTU, ASCII, TCP | freemodbus-integration |
| OpenThread radio, mesh, commissioning | openthread-integration |
| CAN bus library, MCP2515, bit timing | canbus-integration |
| CANopen OD, NMT, SDO, PDO, heartbeat | canopen-integration |
| BLE GATT services, characteristics, MTU | ble-gatt-integration |
UI & Display
| Library or task | Prefer |
|---|---|
| LVGL display, input, tick, draw buffers | lvgl-integration |
| U8g2 monochrome display, fonts | u8g2-integration |
| E-paper EPD, busy timing, refresh modes | epd-integration |
| TJpgDec embedded JPEG decoding | tjpgd-integration |
Security & Crypto
| Library or task | Prefer |
|---|---|
| mbedTLS entropy, certificates, TLS handshake | mbedtls-integration |
| micro-ecc ECDH, ECDSA, keys, signatures | micro-ecc-integration |
| TinyCrypt AES, SHA, HMAC, ECC | tinycrypt-integration |
Data & Serialization
| Library or task | Prefer |
|---|---|
| cJSON, jsmn, inih parsers | embedded-data-parsing-libs |
| nanopb Protocol Buffers | nanopb-integration |
| CRC, checksum, integrity checks | crc-checksum-integration |
USB & Transfer
| Library or task | Prefer |
|---|---|
| TinyUSB device, host, CDC, MSC, HID | tinyusb-integration |
| XMODEM/YMODEM serial transfer, bootloader | ymodem-xmodem-integration |
Boot & OTA
| Library or task | Prefer |
|---|---|
| MCUboot secure boot, slots, signing | mcuboot-integration |
| OTA package, transport, rollback | ota-update-integration |
Compression
| Library or task | Prefer |
|---|---|
| miniz DEFLATE, zlib, ZIP | miniz-integration |
| heatshrink streaming compression | heatshrink-integration |
DSP & ML
| Library or task | Prefer |
|---|---|
| CMSIS-DSP math, FFT, filters | cmsis-dsp-integration |
| TinyMaix MCU inference, model loading | tinymaix-integration |
Input, Timers & State Machines
| Library or task | Prefer |
|---|---|
| MultiButton, FlexibleButton | embedded-input-libs |
| MultiTimer, software timers | embedded-timing-libs |
| Ring buffer, FIFO, MCU queues | embedded-buffer-queue-libs |
| State machine libraries | embedded-state-machine-libs |
Frameworks & Patterns
| Library or task | Prefer |
|---|---|
| PLOOC object-oriented C | plooc-integration |
| Avem event-driven components | avem-integration |
| Power management framework | power-management-integration |
| Embedded app examples adaptation | embedded-app-example-libs |
Testing
| Library or task | Prefer |
|---|---|
| Unity, Ceedling, CMock embedded C tests | unity-ceedling-integration |
Fallback (not a library issue)
| Symptom | Prefer |
|---|---|
| MCU flash, erase, verify failure | mcu-flashing-debug |
| UART transport or missing logs | embedded-serial-log-debug |
| RTOS task, mutex, queue, stack issue | rtos-debug |
| Board power, reset, pin, or signal issue | hardware-interface-debug |
Route by library responsibility. Identify whether the library depends on storage, UART, RTOS primitives, heap, timers, display, network, or flash erase/program operations.
Confirm platform contracts. Ask for the porting hooks the library expects and the project already provides.
Preserve data and flash. Formatting filesystems, erasing database partitions, wiping logs, or changing flash layout requires explicit user approval.
Keep integration minimal. Bring up one smallest working path before enabling optional features such as async logging, wear leveling stress tests, shell authentication, or compression.
Verify with a target-relevant scenario. A library compiles successfully only proves syntax. Require a read/write, log, shell command, or crash capture that exercises the port layer.
Before moving to a specific library workflow:
User:
我想在 STM32 项目里加 littlefs 保存配置。
Agent:
littlefs-integration.