Add more LCD-related Kconfig logic; Create a Kconfig file for NxWidgets

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5189 42af7a65-404d-4744-a932-0658087f49c3

ChangeLog

@@ -3397,3 +3397,6 @@
 	  initial check-in is only for the framework.
 	* configs/shenzhou/src/up_ssd1289.c:  Bit-banging driver is
 	  code complete.
+	* configs/shenzhou/src/up_lcd.c:  Oops. Shenzhou LCD does not
+	  have an SSD1289 controller.  Its an ILI93xx.  Ported the
+	  STM3240G-EVAL ILI93xx driver to work on the Shenzhou board.

Kconfig

@@ -286,6 +286,13 @@ config DEBUG_GRAPHICS
 	---help---
 		Enable NX graphics debug output (disabled by default)
 
+config DEBUG_LCD
+	bool "Enable low-leve LCD debug output"
+	default n
+	depends on LCD
+	---help---
+		Enable low level debug output from the LCD driver (disabled by default)
+
 config DEBUG_I2C
 	bool "Enable I2C debug output"
 	default n

configs/shenzhou/Kconfig

@@ -4,4 +4,76 @@
 #
 
 if ARCH_BOARD_SHENZHOU
+
+if LCD
+menu "LCD Controller Selection"
+
+comment "Disable Unused LCD Controllers"
+
+config STM32_ILI1505_DISABLE
+	bool "Disable ILI1505"
+	default n
+	---help---
+		This may be defined to disable support for the ILI1505 LCD controller
+		You might want to eliminate unused LCD controll support in order to
+		reduce the FLASH footprint.
+
+config STM32_ILI9300_DISABLE
+	bool "Disable ILI9300"
+	default n
+	---help---
+		This may be defined to disable support for the ILI9300 LCD controller
+		You might want to eliminate unused LCD controll support in order to
+		reduce the FLASH footprint.
+
+config STM32_ILI9320_DISABLE
+	bool "Disable ILI9320"
+	default n
+	---help---
+		This may be defined to disable support for the ILI9320 LCD controller
+		You might want to eliminate unused LCD controll support in order to
+		reduce the FLASH footprint.
+
+config STM32_ILI9321_DISABLE
+	bool "Disable ILI9321"
+	default n
+	---help---
+		This may be defined to disable support for the ILI9321 LCD controller
+		You might want to eliminate unused LCD controll support in order to
+		reduce the FLASH footprint.
+
+config STM32_ILI9325_DISABLE
+	bool "Disable ILI9325"
+	default n
+	---help---
+		This may be defined to disable support for the ILI9325 LCD controller
+		You might want to eliminate unused LCD controll support in order to
+		reduce the FLASH footprint.
+
+config STM32_ILI9328_DISABLE
+	bool "Disable ILI9328"
+	default n
+	---help---
+		This may be defined to disable support for the ILI9328 LCD controller
+		You might want to eliminate unused LCD controll support in order to
+		reduce the FLASH footprint.
+
+config STM32_ILI9331_DISABLE
+	bool "Disable ILI9331"
+	default n
+	---help---
+		This may be defined to disable support for the ILI9331 LCD controller
+		You might want to eliminate unused LCD controll support in order to
+		reduce the FLASH footprint.
+
+config STM32_ILI9919_DISABLE
+	bool "Disable ILI9919"
+	default n
+	---help---
+		This may be defined to disable support for the ILI9919 LCD controller
+		You might want to eliminate unused LCD controll support in order to
+		reduce the FLASH footprint.
+
+endmenu
+endif
 endif

configs/shenzhou/src/up_lcd.c

@@ -135,8 +135,7 @@
  * Pre-processor Definitions
  ************************************************************************************/
 /* Configuration **********************************************************************/
-/* 
+/* CONFIG_STM32_ILI1505_DISABLE may be defined to disable the LCD_ILI1505
- * CONFIG_STM32_ILI1505_DISABLE may be defined to disable the LCD_ILI1505
  * CONFIG_STM32_ILI9300_DISABLE may be defined to disable the LCD_ILI9300
  * CONFIG_STM32_ILI9320_DISABLE may be defined to disable the LCD_ILI9320
  * CONFIG_STM32_ILI9321_DISABLE may be defined to disable the LCD_ILI9321

drivers/lcd/Kconfig

@@ -2,6 +2,21 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config LCD_NOGETRUN
+	bool "Write-only LCD"
+	default n
+	---help---
+		Many LCD hardware interfaces provide only minimal graphics capability.  In
+		particulary, many simple LCD interfaces are write only.  That is we, can
+		write graphics data to the LCD device memory, but we cannot read it back.
+		If the LCD hardware does not support reading the graphics memory, then
+		this option should be defined so that the NX layer can taking alternative
+		measures when the LCD is not readable.  For example, if the LCD is not
+		readable, then NX will not attempt to support transparency.
+
+		See also NX_WRITEONLY in the graphics support menu.
+
 config LCD_MAXCONTRAST
 	int "LCD maximum contrast"
 	default 63 if NOKIA6100_S1D15G10

graphics/Kconfig

@@ -11,6 +11,16 @@ config NX
 
 if NX
 
+config NX_LCDDRIVER
+	bool "LCD driver"
+	default y
+	depends on LCD
+	---help---
+		By default, the NX graphics system uses the frame buffer driver interface
+		defined in include/nuttx/fb.h.  However, if LCD is support is enabled,
+		this this option is provide to select, instead, the LCD driver interface
+		defined in include/nuttx/lcd/lcd.h.
+
 config NX_NPLANES
 	int "Number of Color Planes"
 	default 1
@@ -21,8 +31,8 @@ config NX_NPLANES
 
 config NX_WRITEONLY
 	bool "Write-only Graphics Device"
-	default y if NX_LCDDRIVER && NX_LCDDRIVER
+	default y if NX_LCDDRIVER && LCD_NOGETRUN
-	default n if !NX_LCDDRIVER || !NX_LCDDRIVER
+	default n if !NX_LCDDRIVER || !LCD_NOGETRUN
 	---help---
 		Define if the underlying graphics device does not support read operations.
 		Automatically defined if NX_LCDDRIVER and LCD_NOGETRUN are