石丸技術士事務所

Speciality

Profile

Kenji Ishimaru
About 25 years, I work in the embedded system design field. I provide responsive, cost effective engineering services and solutions for embedded system development from system architecture to small module design.

Membership

Software Development

Embedded Computer System Development

FPGA

Standards

Open Source Project

USB Host C Library

Open Source C library for FPGA based USB host. The C library provides APIs to control USB HID(Human Interface Device) class device and Mass Storage class device.
UsbHLib

3D Graphics IP Core

Wire-Frame 3D Graphics IP Core for small size FPGA.
WF3D:https://opencores.org/project,wf3d

3D Graphics Rendering System.

Polyphony:https://github.com/Kenji-Ishimaru/polyphony

Technical Magazine

FPGA Magazine (CQ Publishing Co.,Ltd.)

No.14

DVI implementation for ZedBoard and DE0-nano-SoC
http://www.kumikomi.net/fpga/sample/0014/FPGA14_128.pdf

No.13

AXI Performance Comparison, Cyclone V SoC and Zynq
http://www.kumikomi.net/fpga/sample/0013/FPGA13_094.pdf
USB Communication Target Device
http://www.kumikomi.net/fpga/sample/0013/FPGA13_124.pdf

No.12

USB Communication Target Device
http://www.kumikomi.net/fpga/sample/0012/FPGA12_092.pdf

No.8

USB Communication Device Class
http://www.kumikomi.net/fpga/sample/0008/FPGA08_118.pdf

No.6

Project Porting from DE0 to DE0-nano
http://www.kumikomi.net/fpga/sample/0006/FPGA06_138.pdf

No.4

USB storage device with FAT file system

No.2

USB Full-Speed Host System – Hardware Part –
http://www.kumikomi.net/fpga/sample/0002/FPGA02_046_04syo.pdf

Interface (CQ Publishing Co.,Ltd.)

May, 2014

Open source Ethernet IP Core and Open source TCP/IP protocol stack
https://interface.cqpub.co.jp/wp-content/uploads/interface/2014/05/if05_160.pdf

December, 2013

USB Full-Speed Host System – How to use USB host library –
https://interface.cqpub.co.jp/wp-content/uploads/interface/2013/12/if12_175.pdf

November, 2013

USB Full-Speed Host System – Programming, initialization and main loop –
https://interface.cqpub.co.jp/wp-content/uploads/interface/2013/11/if11_170.pdf