Chi-Yu Chang Email & Phone Number

Hsinchu City

台灣

Maintained ATV module over half year- Cooperated with driver (Tuner, Demodulator) owners to solve issues.Analyzed and fine tuned TV/STB performance- Fine tuned the ATV scan time and the ATV zapping time.- Using parallel method to fine tuned the boot time on DTV.- Reduced boot time by offload tasks to 8051.Built up rescue system for TV/STB- Designed and implemented the rescue system to recover from brick.Led a refactor and integration task- Co-worked with RD module owners and FAEs to deliver the refactored software to customers.- Joined the design of software architecture for easier customization. (Using C++) Maintained software upgrade over 1 year (Network, USB)- Maintained the package tool of the upgrade image. (Shell script)- Analyzed and solved upgrade issues.Maintained network module over 1 year- In charge of WIFI, Ethernet function on Linux platform.- Worked on porting new WIFI devices.- Supported the porting of 3G dongle and IPv6 verification.Managed the plan of system memory over 2 years- Supported to migrate system memory from 32 bits to 64 bits.- Supported to adopt CMA function.- Analyzed memory usage and made proposals to reduce memory usage.Led the projects on Linux platform- In charge of chip/board bring up- First line analyzed the coming issues and assigned them to the proper owners- Work experience on 2 MIPS projects and 3 ARM projectsManaged a section (7 members) (20 months)- Led to analyze system issues and held the solution brainstorming- Interviewed and recruited

台灣

Porting OAD to a new Linux platform with C++.Maintained OAD and EPG module with C++.Implemented compressed software upgrade method through LZMA method.On u-boot- Maintained u-boot and porting to various MIPS and ARM platforms. (Traced assembly, link script)- Upgraded u-boot to a newer version.- Fine tuned the boot time on u-boot.On site support Korean customer for 14 months- Negotiated with customer to confirm the design of secure booting and secure system.- Implemented and maintained secure booting.- Cooperated with module owners to finish the secure system which follows the design.- Analyzed system issues and debugged. (Multiple process issue)- Implemented cache flush verification tool on ARM platform. (Add an entry in /proc to communicate between user space and kernel space.)

台灣

- Implemented Teletext and Subtitle on STB products with C language. - Maintained and implemented EPG and SI functions with C language.- Porting Tuner/Demodulator to Broadcom platform.- Fine tuned the Samba/iSCSI performance on NAS products.- Developed the web UI of iSCSI/S.M.A.R.T. monitor function with HTML/PHP/Javascript/Ajax languages.- Developed and maintained product verification software for manufacture.

Master Of Science (Ms), Computer And Information Science

Activities and Societies: 系籃

Bachelor Of Science (B.S.), Computer And Information Science

Activities and Societies: 系籃