Misc documentation/LCD-related updates

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3844 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 12 insertions, 5 deletions

diff --git a/nuttx/configs/sam3u-ek/README.txt b/nuttx/configs/sam3u-ek/README.txt
index a350c72d7..b94e668ef 100755
--- a/nuttx/configs/sam3u-ek/README.txt
+++ b/nuttx/configs/sam3u-ek/README.txt
@@ -295,6 +295,13 @@ SAM3U-EK-specific Configuration Options
 	CONFIG_U[S]ARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity
 	CONFIG_U[S]ARTn_2STOP - Two stop bits
 
+  LCD Options.  Other than the standard LCD configuration options
+  (see configs/README.txt), the SAM3U-EK driver also supports:
+
+	CONFIG_LCD_PORTRAIT - Present the display in the standard 240x320
+	   "Portrait" orientation.  Default:  The display is rotated to
+	   support a 320x240 "Landscape" orientation.
+
 Configurations
 ^^^^^^^^^^^^^^
 
diff --git a/nuttx/configs/sam3u-ek/src/up_lcd.c b/nuttx/configs/sam3u-ek/src/up_lcd.c
index 8b0a919f7..2de563f9b 100755
--- a/nuttx/configs/sam3u-ek/src/up_lcd.c
+++ b/nuttx/configs/sam3u-ek/src/up_lcd.c
@@ -2,7 +2,7 @@
  * configs/sam3u-ek/src/up_lcd.c
  * arch/arm/src/board/up_lcd.c
  *
- *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -168,12 +168,12 @@
 /* Graphics Capbilities ***************************************************************/
 
 /* LCD resolution: 320 (columns) by 240 (rows).  The physical dimensions of the device
- * are really 240 (columns) by 320 (rows), but unless CONFIG_SAM3U_240x320 is defined,
+ * are really 240 (columns) by 320 (rows), but unless CONFIG_LCD_PORTRAIT is defined,
  * we swap rows and columns in setcursor to make things behave nicer (there IS a
  * performance hit for this swap!).
  */
 
-#ifdef CONFIG_SAM3U_240x320
+#ifdef CONFIG_LCD_PORTRAIT
 #  define SAM3UEK_XRES         240
 #  define SAM3UEK_YRES         320
 #else
@@ -606,7 +606,7 @@ static int sam3u_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffe
   gvdbg("row: %d col: %d npixels: %d\n", row, col, npixels);
   DEBUGASSERT(buffer && ((uintptr_t)buffer & 1) == 0);
 
-#ifdef CONFIG_SAM3U_240x320
+#ifdef CONFIG_LCD_PORTRAIT
   /* Set up to write the run. */
 
   sam3u_setcursor(row, col);
@@ -672,7 +672,7 @@ static int sam3u_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer,
   gvdbg("row: %d col: %d npixels: %d\n", row, col, npixels);
   DEBUGASSERT(buffer && ((uintptr_t)buffer & 1) == 0);
 
-#ifdef CONFIG_SAM3U_240x320
+#ifdef CONFIG_LCD_PORTRAIT
   /* Set up to read the run */
 
   sam3u_setcursor(row, col);