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Finish framebuffer support

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2672 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2010-05-15 18:57:24 +00:00
parent 80891ed66b
commit 1700022994
13 changed files with 362 additions and 76 deletions
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include/nuttx/p14201.h
+4 -2
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@@ -49,20 +49,22 @@
/* P14201 Configuration Settings:
*
* CONFIG_LCD_P14201 - Enable P14201 support
* CONFIG_P14201_SPIMODE - Controls the SPI mode
* CONFIG_P14201_FREQUENCY - Define to use a different bus frequency
* CONFIG_P14201_NINTERFACES - Specifies the number of physical P14201 devices that
* will be supported.
* CONFIG_P14201_FRAMEBUFFER - If defined, accesses will be performed using an in-memory
* copy of the OLEDs GDDRAM. This cost of this buffer is 128 * 96 / 2 = 6Kb. If this
* is defined, then the driver will be fully functioned. If not, then it will have the
* is defined, then the driver will be fully functional. If not, then it will have the
* following limitations:
*
* - Reading graphics memory cannot be supported, and
* - All pixel writes must be aligned to byte boundaries.
*
* The latter limitation effectively reduces the 128x96 disply to 64x96.
*
* Required LCD driver settings:
* CONFIG_LCD_P14201 - Enable P14201 support
* CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be accepted.
* CONFIG_LCD_MAXPOWER must be 1
*/