Framework for SAM3U LCD driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2615 42af7a65-404d-4744-a932-0658087f49c3
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@ -1,4 +1,4 @@
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/************************************************************************************
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/**************************************************************************************
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* configs/sam3u-ek/src/up_lcd.c
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* arch/arm/src/board/up_lcd.c
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*
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@ -32,9 +32,10 @@
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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**************************************************************************************/
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/* The SAM3U-EK developement board features a TFT/Transmissive color LCD module with
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/**************************************************************************************
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* The SAM3U-EK developement board features a TFT/Transmissive color LCD module with
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* touch-screen, FTM280C12D, with integratd driver IC HX8346. The LCD display size
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* is 2.8 inches, with a native resolution of 240 x 320 pixels.
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*
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@ -101,17 +102,19 @@
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* MN5, ADS7843, which is a slave device on the SAM3U4E SPI bus. The ADS7843 touch
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* ADC auxiliary inputs IN3/IN4 are connected to test points for optional function
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* extension.
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*/
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*
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**************************************************************************************/
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/************************************************************************************
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/**************************************************************************************
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* Included Files
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************************************************************************************/
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**************************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/arch.h>
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@ -121,9 +124,9 @@
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#include "sam3u_internal.h"
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#include "sam3uek_internal.h"
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/************************************************************************************
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/**************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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**************************************************************************************/
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/* LCD resolution */
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@ -135,9 +138,9 @@
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#define SAM3UEK_BPP 16
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#define SAM3UEK_RGBFMT FB_FMT_RGB16_565
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/************************************************************************************
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/**************************************************************************************
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* Private Function Protototypes
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************************************************************************************/
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**************************************************************************************/
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/* LCD Data Transfer Methods */
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@ -172,9 +175,9 @@ static int sam3u_setpower(struct lcd_dev_s *dev, int power);
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static int sam3u_getcontrast(struct lcd_dev_s *dev);
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static int sam3u_setcontrast(struct lcd_dev_s *dev, unsigned int contrast);
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/************************************************************************************
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/**************************************************************************************
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* Private Function Protototypes
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************************************************************************************/
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**************************************************************************************/
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/* This is working memory allocated by the LCD driver for each LCD device
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* and for each color plane. This memory will hold one raster line of data.
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@ -210,14 +213,13 @@ static struct lcd_planeinfo_s g_planeinfo =
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};
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/* This is the standard, NuttX LCD driver object */
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* This structure defines an LCD interface */
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static struct lcd_dev_s g_lcddev_s =
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{
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/* LCD Configuration */
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.getvideoinfo = sam3u_getvideoinfo,
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.getplaneinfo = sam3u_getplaneinfo;
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.getplaneinfo = sam3u_getplaneinfo,
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/* LCD RGB Mapping -- Not supported */
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/* Cursor Controls -- Not supported */
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@ -230,11 +232,11 @@ static struct lcd_dev_s g_lcddev_s =
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.setcontrast = sam3u_setcontrast,
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};
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/************************************************************************************
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/**************************************************************************************
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* Private Functions
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************************************************************************************/
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**************************************************************************************/
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/************************************************************************************
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/**************************************************************************************
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* Name: sam3u_putrun
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*
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* Description:
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@ -246,12 +248,15 @@ static struct lcd_dev_s g_lcddev_s =
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* npixels - The number of pixels to write to the LCD
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* (range: 0 < npixels <= xres-col)
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*
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************************************************************************************/
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**************************************************************************************/
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static int sam3u_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer,
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size_t npixels);
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size_t npixels)
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{
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return -ENOSYS;
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}
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/************************************************************************************
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/**************************************************************************************
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* Name: sam3u_getrun
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*
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* Description:
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@ -263,89 +268,134 @@ static int sam3u_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffe
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* npixels - The number of pixels to read from the LCD
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* (range: 0 < npixels <= xres-col)
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*
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************************************************************************************/
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**************************************************************************************/
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static int sam3u_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer,
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size_t npixels);
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size_t npixels)
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{
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return -ENOSYS;
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}
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/************************************************************************************
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* Name: sam3u_getrun
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/**************************************************************************************
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* Name: sam3u_getvideoinfo
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*
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* Description:
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* This method can be used to read a partial raster line from the LCD:
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* Get information about the LCD video controller configuration.
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*
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* row - Starting row to read from (range: 0 <= row < yres)
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* col - Starting column to read read (range: 0 <= col <= xres-npixels)
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* buffer - The buffer in which to return the run read from the LCD
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* npixels - The number of pixels to read from the LCD
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* (range: 0 < npixels <= xres-col)
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**************************************************************************************/
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static int sam3u_getvideoinfo(FAR struct lcd_dev_s *dev,
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FAR struct fb_videoinfo_s *vinfo)
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{
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return -ENOSYS;
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}
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/**************************************************************************************
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* Name: sam3u_getplaneinfo
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*
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************************************************************************************/
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/* Get information about the video controller configuration and the
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* configuration of each color plane.
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*/
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* Description:
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* Get information about the configuration of each LCD color plane.
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*
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**************************************************************************************/
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static int sam3u_getvideoinfo(FAR struct lcd_dev_s *dev, FAR struct fb_videoinfo_s *vinfo);
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static int sam3u_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno, FAR struct lcd_planeinfo_s *pinfo);
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static int sam3u_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno,
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FAR struct lcd_planeinfo_s *pinfo)
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{
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return -ENOSYS;
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}
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/* Get the LCD panel power status (0: full off - CONFIG_LCD_MAXPOWER:
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* full on
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*/
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/**************************************************************************************
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* Name: sam3u_getpower
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*
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* Description:
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* Get the LCD panel power status (0: full off - CONFIG_LCD_MAXPOWER:
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* full on.
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*
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**************************************************************************************/
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static int sam3u_getpower(struct lcd_dev_s *dev)
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{
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return -ENOSYS;
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}
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/* Enable/disable LCD panel power (0: full off - CONFIG_LCD_MAXPOWERL:
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* full on)
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*/
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/**************************************************************************************
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* Name: sam3u_setpower
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*
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* Description:
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* Enable/disable LCD panel power (0: full off - CONFIG_LCD_MAXPOWERL:
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* full on).
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*
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**************************************************************************************/
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static int sam3u_setpower(struct lcd_dev_s *dev, int power);
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static int sam3u_setpower(struct lcd_dev_s *dev, int power)
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{
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return -ENOSYS;
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}
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/* Get the current contrast setting (0-CONFIG_LCD_MAXCONTRAST) */
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/**************************************************************************************
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* Name: sam3u_getcontrast
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*
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* Description:
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* Get the current contrast setting (0-CONFIG_LCD_MAXCONTRAST).
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*
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**************************************************************************************/
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static int sam3u_getcontrast(struct lcd_dev_s *dev);
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static int sam3u_getcontrast(struct lcd_dev_s *dev)
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{
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return -ENOSYS;
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}
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/* Set LCD panel contrast (0-CONFIG_LCD_MAXCONTRAST) */
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/**************************************************************************************
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* Name: sam3u_getcontrast
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*
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* Description:
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* Set LCD panel contrast (0-CONFIG_LCD_MAXCONTRAST).
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*
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**************************************************************************************/
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static int sam3u_setcontrast(struct lcd_dev_s *dev, unsigned int contrast);
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static int sam3u_setcontrast(struct lcd_dev_s *dev, unsigned int contrast)
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{
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return -ENOSYS;
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}
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/************************************************************************************
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/**************************************************************************************
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* Public Functions
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************************************************************************************/
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**************************************************************************************/
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/************************************************************************************
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/**************************************************************************************
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* Name: up_lcdinitialize
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*
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* Description:
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* Initialize the LCD video hardware.
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*
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************************************************************************************/
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**************************************************************************************/
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int up_lcdinitialize(void)
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{
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return -ENOSYS;
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}
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/************************************************************************************
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/**************************************************************************************
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* Name: up_lcdgetdev
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*
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* Description:
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* Return a a reference to the LCD object for the specified LCD. This allows
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* support for multiple LCD devices.
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*
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************************************************************************************/
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**************************************************************************************/
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FAR struct lcd_dev_s *up_lcdgetdev(int lcdddev)
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{
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return NULL;
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}
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/************************************************************************************
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/**************************************************************************************
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* Name: up_lcduninitialize
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*
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* Description:
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* Unitialize the framebuffer support.
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*
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************************************************************************************/
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**************************************************************************************/
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void up_lcduninitialize(void)
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{
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