Responsibilities:● Led the development and maintenance of firmware for the IM3000 and IM4000 processor families, focusing on the ISAL instruction set and platform-level features for FPGA testing.● Worked on developing and researching driver-level software for the IM4000 processor, focusing on embedded C, Assembler, and microcode/firmware.● Cooperated with firmware and FPGA engineers to test and debug DNN accelerator features from the system level.● Collaborated closely with hardware, toolchain, and software developers to ensure tight integration and optimal performance.Key Achievements:● Quickly mastered the hardware and firmware with over 20 years of legacy, significantly contributing to the development and testing of the IM3000 and IM4000 processor families.● Worked with toolchain engineers to refine tool support for firmware development, boosting productivity and development efficiency.● Developed and implemented OCTA-SPI and AXI4 drivers to facilitate efficient data exchange between external SD-RAM, the DNN accelerator, and the IM4000 processor. Enhanced data transfer capabilities and testing possibilities at the C level, simplifying both development and testing processes.● Conducted extensive testing and verification on FPGA platforms and RTL simulations of the DNN accelerator design, leading to improved reliability and functionality of the system.● Automated testing processes using shell scripts, significantly improving testing efficiency and ensuring consistency.● Provided support to software engineers on utilizing implemented firmware features, enhancing system usability and performance.

● Developed and thoroughly tested a 64-point FFT instruction with Radix-4 DIF algorithm on a microcode-programmable processor.● Created an embedded software testbench for comprehensive evaluation, achieving optimal performance and functionality.