WO2006085282A3 - Architecture for writing data to non-memory addressable embedded devices - Google Patents

Architecture for writing data to non-memory addressable embedded devices Download PDF

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Publication number
WO2006085282A3
WO2006085282A3 PCT/IB2006/050434 IB2006050434W WO2006085282A3 WO 2006085282 A3 WO2006085282 A3 WO 2006085282A3 IB 2006050434 W IB2006050434 W IB 2006050434W WO 2006085282 A3 WO2006085282 A3 WO 2006085282A3
Authority
WO
WIPO (PCT)
Prior art keywords
memory
addressable
architecture
driver
application
Prior art date
Application number
PCT/IB2006/050434
Other languages
French (fr)
Other versions
WO2006085282A2 (en
Inventor
Armin Gerritsen
Original Assignee
Koninkl Philips Electronics Nv
Armin Gerritsen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics Nv, Armin Gerritsen filed Critical Koninkl Philips Electronics Nv
Publication of WO2006085282A2 publication Critical patent/WO2006085282A2/en
Publication of WO2006085282A3 publication Critical patent/WO2006085282A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/393—Arrangements for updating the contents of the bit-mapped memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/20—Employing a main memory using a specific memory technology
    • G06F2212/206—Memory mapped I/O
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/12—Frame memory handling
    • G09G2360/125—Frame memory handling using unified memory architecture [UMA]

Abstract

The present invention relates to a driver architecture and method for enabling an application (10) to write data to a non-memory addressable embedded device wherein at least a portion of an addressable memory is allocated to the application (10) and a content written to the addressable memory space is flushed to a memory (30) of the non-memory addressable embedded device. The driver (20) will then flush at certain moments, either determined by the driver (20) itself or initiated by the application (10), the data from the virtual video memory to the real memory (30). Thereby, drivers for non-memory addressable display adapters are enabled to actively write to a display. As a result, the adaptors can be used in combination with any popular open source architecture.
PCT/IB2006/050434 2005-02-14 2006-02-09 Architecture for writing data to non-memory addressable embedded devices WO2006085282A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05101057.7 2005-02-14
EP05101057 2005-02-14

Publications (2)

Publication Number Publication Date
WO2006085282A2 WO2006085282A2 (en) 2006-08-17
WO2006085282A3 true WO2006085282A3 (en) 2006-10-26

Family

ID=36685738

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/050434 WO2006085282A2 (en) 2005-02-14 2006-02-09 Architecture for writing data to non-memory addressable embedded devices

Country Status (1)

Country Link
WO (1) WO2006085282A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7932902B2 (en) 2007-09-25 2011-04-26 Microsoft Corporation Emitting raster and vector content from a single software component

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067098A (en) * 1994-11-16 2000-05-23 Interactive Silicon, Inc. Video/graphics controller which performs pointer-based display list video refresh operation
US20010038387A1 (en) * 1999-11-30 2001-11-08 Takatoshi Tomooka Image display method, image display system, host device, image display device and display interface
US20010043226A1 (en) * 1997-11-18 2001-11-22 Roeljan Visser Filter between graphics engine and driver for extracting information
WO2005083672A2 (en) * 2004-02-24 2005-09-09 Qualcomm Incorporated Display processor for a wireless device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067098A (en) * 1994-11-16 2000-05-23 Interactive Silicon, Inc. Video/graphics controller which performs pointer-based display list video refresh operation
US20010043226A1 (en) * 1997-11-18 2001-11-22 Roeljan Visser Filter between graphics engine and driver for extracting information
US20010038387A1 (en) * 1999-11-30 2001-11-08 Takatoshi Tomooka Image display method, image display system, host device, image display device and display interface
WO2005083672A2 (en) * 2004-02-24 2005-09-09 Qualcomm Incorporated Display processor for a wireless device

Also Published As

Publication number Publication date
WO2006085282A2 (en) 2006-08-17

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