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diff --git a/nuttx/Documentation/NuttX.html b/nuttx/Documentation/NuttX.html index 4b8d9ebe2..3da1c04a4 100644 --- a/nuttx/Documentation/NuttX.html +++ b/nuttx/Documentation/NuttX.html @@ -8,7 +8,7 @@ <tr align="center" bgcolor="#e4e4e4"> <td> <h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1> - <p>Last Updated: April 16, 2010</p> + <p>Last Updated: April 23, 2010</p> </td> </tr> </table> @@ -729,37 +729,39 @@ </tr> </table> -<p><b>nuttx-5.3 Release Notes</b>: +<p><b>nuttx-5.4 Release Notes</b>: <p> - This 50<sup>th</sup> release of NuttX was made on April 11, 2010 and is available for download from the + This 51<sup>st</sup> release of NuttX was made on April 23, 2010 and is available for download from the <a href="http://sourceforge.net/project/showfiles.php?group_id=189573">SourceForge</a> website. The change log associated with the release is available <a href="#currentrelease">here</a>. Unreleased changes after this release are available in CVS. These unreleased changes are listed <a href="#pendingchanges">here</a>. </p> <p> - This release suport for one new achitecture: -</p> -<ul> - <li>A basic port for the NXP LPC2378 MCU on the Olimex-LPC2378 development board was contributed by Rommel Marcelo.</li> -</ul> -<p> - And extensions to two existing architures: + This release includes one new, important extension to the + <a href="http://www.nuttx.org/NXGraphicsSubsystem.html">NX graphics system</a>: + <ul> + <p> + NX was develop a couple years back on hardware that supported only framebuffer + devices, that is, video hardware with video memory directly converts the memroy + content to video. However, most MCUs that NuttX focuses on do not support such + video memory; rather, that typically only support LCDs via parallel or serial + interfaces. + </p> + <p> + This release of NuttX extends NX so that now renders directly to the LCD device + via its serial or parallel interface. No in-memory copy of the screen memory + need be maintained so this solution should also work in MCUs with very limited + SRAM. + </p> + </ul> </p> -<ul> - <li>David Hewson contributed a dual-speed (full/high) USB device-side driver - for the NXP LPC3131 on the Embedded Artists EA3131 development board.</li> - <li>A DMA driver and a high speed MCI driver for the Atmel AT91SAM3U are - included (but not fully tested in this release).</li> -</ul> <p> - Two important bugfix was also included: + This initial release of this feature includes the verified NX extensions plus + a driver for the HX8347, 16-bit parallel LCD. This LCD supports 16-bit RGB + (5:6:5). </p> -<ul> - <li>An important fix to the USB mass storage driver was contributed by David Hewson.</li> - <li>A serious error in the AT91SAM3U PIO handling was fixed.</li> -</ul> <table width ="100%"> <tr bgcolor="#e4e4e4"> @@ -1061,9 +1063,9 @@ <p> <b>Atmel AT91SAM3U</b>. This port uses the <a href=" http://www.atmel.com/">Atmel</a> SAM3U-EK - development board that features the AT91SAM3U4E MCU. - This port uses a GNU arm-elf or arm-eabi toolchain* under either Linux or Cygwin (with native Windows GNU - tools or Cygwin-based GNU tools). + development board that features the AT91SAM3U4E MCU. + This port uses a GNU arm-elf or arm-eabi toolchain* under either Linux or Cygwin (with native Windows GNU + tools or Cygwin-based GNU tools). </p> <ul> <p> @@ -1072,11 +1074,14 @@ logic, interrupt driven serial console, and system timer interrupts. That release passes the NuttX OS test and is proven to have a valid OS implementation. A configuration to support the NuttShell is also included. + NuttX version 5.4 adds support for the HX8347 LCD on the SAM3U-EK board. + This LCD support includes an example using the + <a href=" http://www.nuttx.org/NXGraphicsSubsystem.html">NX graphics system</a>. </p> <p> Subsequent NuttX releases will extend this port and add support for SDIO-based SD cards and USB device (and possible LCD support). - These extensions may or may not happen by the Nuttx 5.3 release as my plate is kind of full now. + These extensions may or may not happen by the Nuttx 5.5 release as my plate is kind of full now. </p> <p> <b>Development Environments:</b> @@ -1638,26 +1643,12 @@ Other memory: </table> <ul><pre> -nuttx-5.3 2010-04-11 Gregory Nutt <spudmonkey@racsa.co.cr> - - * arch/arm/src/lpc313x/lpc313x_usbdev.c - USB driver for the LPC313x - contributed by David Hewson. - * configs/ea3131/src/up_ubstrgc.c, configs/ea3131/usbserial, - configs/ea3131/usbstorage - USB storage and USB serial example support - contributed by David Hewson. - * Several important compilation error fixes in lpc313x and (dualspeed) USB - code also contributed by David Hewson. - * arch/arm/src/sam3u/sam3u_dmac.c - DMA support for the AT90SAM3U. - * arch/arm/src/sam3u/sam3u_hsmci.c - SD memory card support for AT90SAM3U - (Neither the DMA nor the HSMCI driver are functional on the initial checkin). - * drivers/usbdev - Several important fixes to the USB mass storage driver - submitted by David Hewson. - * configs/olimex-lpc2378, arch/arm/include/lpc2378, and arch/arm/src/lpc2378 - - Basic port of the NXP 2378 on the Olimex board contributed by - Rommel Marcelo. - * arch/arm/src/sam3u/sam3u_internal.h - Fixed a critical bug in the AT91SAM3U - PIO decoding. No PIOs greater than 15 could be used on any port! Obviously, - no one has been using this port. +nuttx-5.4 2010-04-23 Gregory Nutt <spudmonkey@racsa.co.cr> + + * include/nuttx/lcd.h - Defines an LCD interface. + * graphics/nxglib/fb and lcd - Support LCD and framebuffer rasterizers for NX. + * configs/sam3u-ek/src/up_lcd.c - LCD driver for LCD on SAM3U-EK development + board. pascal-2.0 2010-12-21 Gregory Nutt <spudmonkey@racsa.co.cr> @@ -1687,10 +1678,7 @@ buildroot-1.8 2009-12-21 <spudmonkey@racsa.co.cr> </table> <ul><pre> -nuttx-5.4 2010-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> - - * include/nuttx/lcd.h - Defines an LCD interface. - * graphics/nxglib/fb and lcd - Support LCD and framebuffer rasterizers for NX. +nuttx-5.5 2010-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> pascal-2.1 2010-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> |