Parcourir les catégories
Explorer
Fiverr Pro
Français
$
USD
Kang-Woong L
@firmgod
Firmware Engineer
Corée du Sud
Anglais
À propos de moi
I am an AOSP BSP porting and embedded Linux specialist. I have years of bare-metal and RTOS firmware experience for 8-bit MCUs through ARM9. My focus areas include bring-up, debugging, kernel, drivers, and HAL.
Compétences
Kang-Woong L
hors ligne •
Temps de réponse moyen de 104 heures
Voir mes services
Systèmes intégrés & IoT
I will develop embedded firmware, android bsp, and mcu programming
Portfolio
Expérience professionnelle
Embedded Firmware Engineer
Water Quality Monitoring Company • Freelance
Jan 1997 - Dec 2024 • 27 yrs 11 mos
Embedded firmware engineer with 27+ years of experience spanning Android BSP, FPGA, MCU firmware, and industrial IoT. Specialized in AOSP BSP porting and board bring-up from bootloader through HAL on Rockchip (RK3588, RK3566), Qualcomm (SDM660), and MediaTek (MT8183) platforms. Delivered 15+ production-deployed projects including 4K/8K set-top boxes with Widevine DRM, dual-boot IoT gateways, and industrial controllers handling high-voltage systems. Core expertise includes U-Boot/kernel porting, Device Tree customization, HAL development (Camera, Audio, Sensor, Display), SELinux policy, and CTS/VTS certification. Extensive bare-metal and RTOS firmware experience for 8-bit MCUs (8051, PIC, AVR, MSP430) through ARM9 and STM32/ESP32 platforms. FPGA development on Altera Cyclone III and Efinix Trion with Verilog HDL. Hardware debugging with oscilloscope, logic analyzer, JTAG/SWD. Communication protocols: RS-485/422/232, CAN/CANopen, USB (CDC/HID), SPI, I2C, BLE, WiFi, MQTT, Modbus RTU/TCP. Proven track record with 10,000+ unit deployments in factory automation.
