We are pleased to announce that as of August 13, 2015, Qualcomm Global Trading Pte. Ltd., a subsidiary of Qualcomm Incorporated, has completed its acquisition of CSR plc. For more information, please see the press release .

Inferno™ Firmware Platform

Inferno™ is CSR’s firmware and tools platform for developing printers, multifunction printers (MFPs) and scanners with CSR’s Quatro® system-on-chips (SoCs). Quatro is a family of highly integrated SoCs that features a powerful ARM® CPU core and a highly programmable DSP for high-performance, next-generation hardcopy imaging products.

Inferno runs on Quatro development boards and implements functions such as printing, scanning, copying, connectivity, networking and user interface.

Inferno can be configured to use Embedded Linux or a more traditional real-time operating system. Inferno also features an API for easily integrating CSR’s industry-leading IPS™ print language interpreters, which have been optimized to take advantage of Quatro’s dual-core CPU and DSP. Inferno is also integrated with a CSR Wi-Fi solution.

Inferno is targeted for a wide range of hardcopy imaging products:

  • Low-end to high-performance
  • Monochrome and color
  • A3/Tabloid and A4/Letter paper size
  • PDL and raster printing
  • Optional graphical display
  • Optional fax
  • Optional Ethernet and Wi-Fi

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Overview

Inferno Architecture

Inferno can be configured to use embedded Linux or a more traditional real-time operating system for Quatro's ARM processor. The Inferno-Linux configuration allows the customers to leverage Linux's vast open source ecosystem, including open source libraries, device drivers and development tools. Alternatively, customers can choose the Inferno-NL configuration and work with a traditional real-time operating system such as ThreadX. Customers can also develop certain products on one OS and other products on another since the two configurations share the common architecture and much of the firmware code.

Inferno in either configuration is designed to provide the real-time processing capability required by high-performance printers, MFPs and scanners. FlexRISC and ARM Cortex-M3 microcontroller cores are used to offload the most time critical tasks in printers and scanner engine control. The powerful Quatro DSP cores maintain high-throughput image processing.

Inferno and IPS Print Language Interpreters

Inferno and CSR’s IPS PDL interpreters take full advantage of each other. For example, IPS’s concurrent rendering architecture leverages the SMP capability of Linux when running on Quatro’s dual-core version. The full IPS suite has been ported to Inferno/Quatro and tuned to maximize PDL printing performance.

Product Development

Inferno's standard firmware and development tools are provided to Quatro customers free of charge. Inferno firmware consists of QSP (Quatro Support Package), which contains Inferno's commonly used code needing little to no modification by customers, and sample application code based on which customers can build their own unique applications. Inferno's modular architecture simplifies any level of customization and allows reuse of customer code across Quatro SoCs. Majority of the code is provided in source form. 

 

  • Single modular firmware platform for a family of SoCs that cover broad product range
  • Programmable architecture for implementing unique features and algorithms
  • Industry’s only controller solution with optimized PDL interpreters
  • Embedded Linux and traditional real-time operating system configurations
  • Leverages IPS’s concurrent rendering architecture
  • Extended networking
  • Rich user interface
  • Comprehensive development tools chain

Quatro SoC

  • Quatro 5300
  • Quatro 4500
  • Quatro 4300

Operating System

  • Embedded Linux
  • ThreadX
  • OS abstraction layer

Print Features

  • Color and mono
  • IPS PDLs
  • JBIG raster

Copy Features

  • Color and mono
  • Various resolutions and screening methods

Scan Features

  • Scan to PC, USB flash drive, network drive
  • Uncompressed and JPEG compressed data

Fax Features

  • G3 with ECM
  • Up to V.34
  • JBIG fax

Development Tools

  • Open source tools (gcc, gdb, etc.)
  • CSR-developed DSP and flexRISC tools
  • Optional third-party commercial tools

Others

  • Low-power sleep mode
  • USB, Ethernet and Wi-Fi connectivity
  • Text, Graphic, Touch and Web user interfaces

Terms of Supply

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