Product category: Embedded Software and Operating Systems
News Release from: Cypress Semiconductor | Subject: SL811HS
Edited by the Electronicstalk Editorial Team on 5 July 2002
Driver puts USB
controller in Linux systems
Cypress Semiconductor has released a Linux USB host driver to support its SL811HS embedded host/peripheral controller
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This driver will provide Linux developers the ability to add USB host functionality to a variety of embedded system applications, such as cell phones, MP3 players, network appliances and PDAs. "Cypress continues to demonstrate its leadership in USB supporting emerging markets and platforms such as embedded Linux", said Jeff Chang, product-marketing manager for Cypress's Personal Communications Division.
"The release of this host controller driver will enable developers to add USB host functionality to their embedded system designs running Linux".
Currently, the Linux 2.44 kernel supports the Open Host Controller Interface (OHCI) and the Universal Host Controller Interface (UHCI) specifications for USB host controllers, which are typically implemented in a PC architecture and environment.
As Cypress's SL811HS is a memory-mapped device, the release of this new driver allows the Linux host stack to provide USB host support without realising that there is a non-OHCI/UHCI type host controller.
This driver enables engineers to bring their products to market more quickly.
The SL811HS is Cypress's first-to-market USB embedded host controller, offering a dual-role port that can function as either a USB host or peripheral supporting both full- and low-speed USB devices.
The Linux USB 2.0 driver and source code are available now for download from the Cypress website.
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