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SAM4E-EK LCD finally works

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This commit is contained in:
Gregory Nutt 2014-08-20 12:53:08 -06:00
parent 3d9b67d757
commit 8c7b3375d8
1 changed files with 29 additions and 23 deletions
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52
configs/sam4e-ek/src/sam_ili9341.c
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@ -215,12 +215,12 @@
/* Display/Color Properties ***********************************************************/
/* Display Resolution */
#if defined(CONFIG_LCD_PORTAIT) || defined(CONFIG_LCD_RPORTAIT)
# define SAM_XRES 240
# define SAM_YRES 320
#else
#if defined(CONFIG_LCD_LANDSCAPE) || defined(CONFIG_LCD_RLANDSCAPE)
# define SAM_XRES 320
# define SAM_YRES 240
#else
# define SAM_XRES 240
# define SAM_YRES 320
#endif
/* Color depth and format */
@ -502,20 +502,22 @@ static void sam_setwindow(sam_color_t row, sam_color_t col,
{
uint8_t buffer[4];
lcdvdbg("row=%d col=%d width=%d height=%d\n", row, col, width, height);
/* Set Column Address Position */
buffer[0] = (row >> 8) & 0xff;
buffer[1] = row & 0xff;
buffer[2] = ((row + width - 1) >> 8) & 0xff;
buffer[3] = (row + width - 1) & 0xff;
buffer[0] = (col >> 8) & 0xff;
buffer[1] = col & 0xff;
buffer[2] = ((col + width - 1) >> 8) & 0xff;
buffer[3] = (col + width - 1) & 0xff;
sam_putreg(ILI9341_COLUMN_ADDRESS_SET, buffer, 4);
/* Set Page Address Position */
buffer[0] = (col >> 8) & 0xff;
buffer[1] = col & 0xff;
buffer[2] = ((col + height - 1) >> 8) & 0xff;
buffer[3] = (col + height - 1) & 0xff;
buffer[0] = (row >> 8) & 0xff;
buffer[1] = row & 0xff;
buffer[2] = ((row + height - 1) >> 8) & 0xff;
buffer[3] = (row + height - 1) & 0xff;
sam_putreg(ILI9341_PAGE_ADDRESS_SET, buffer, 4);
}
@ -650,6 +652,8 @@ static void sam_set_backlight(unsigned int power)
unsigned int level;
int i;
lcdvdbg("power=%d\n", power);
/* Scale the power setting to the range 1...BKL_LEVELS */
DEBUGASSERT(power > 0 && power <= CONFIG_LCD_MAXPOWER);
@ -690,9 +694,11 @@ static void sam_set_backlight(unsigned int power)
static int sam_poweroff(FAR struct sam_dev_s *priv)
{
lcdvdbg("OFF\n");
/* Turn the display off */
sam_putreg(ILI9341_DISPLAY_OFF, NULL, 0);
sam_putreg(ILI9341_DISPLAY_OFF, NULL, 0);
/* Disable the backlight */
@ -743,7 +749,7 @@ static int sam_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer,
/* Determine the refresh window area */
sam_setwindow(row, col, npixels+1, 2);
sam_setwindow(row, col, npixels, 1);
/* Prepare to write in GRAM */
@ -801,7 +807,7 @@ static int sam_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer,
/* Determine the refresh window area */
sam_setwindow(row, col, npixels+1, 2);
sam_setwindow(row, col, npixels, 1);
/* Prepare to read GRAM data */
@ -1063,7 +1069,7 @@ static void sam_lcd9341_initialize(void)
/* Memory Access Control configuration */
#if defined(CONFIG_LCD_PORTAIT)
#if defined(CONFIG_LCD_LANDSCAPE)
/* Horizontal refresh order (MH): 0
* RGB/BGR order (BGR) : 1
* Vertical refresh order (ML) : 0
@ -1075,19 +1081,18 @@ static void sam_lcd9341_initialize(void)
buffer[0] = ILI9341_MEMORY_ACCESS_CONTROL_BGR |
ILI9341_MEMORY_ACCESS_CONTROL_MV;
#elif defined(CONFIG_LCD_LANDSCAPE) || defined(CONFIG_LCD_RPORTAIT)
#elif defined(CONFIG_LCD_PORTRAIT)
/* Horizontal refresh order (MH): 0
* RGB/BGR order (BGR) : 1
* Vertical refresh order (ML) : 0
* Row/column exchange (MV) : 0
* Column address order (MX) : 1
* Column address order (MX) : 0
* Row address order (MY) : 0
*/
buffer[0] = ILI9341_MEMORY_ACCESS_CONTROL_BGR |
ILI9341_MEMORY_ACCESS_CONTROL_MX;
buffer[0] = ILI9341_MEMORY_ACCESS_CONTROL_BGR;
#elif defined(CONFIG_LCD_RPORTAIT)
#elif defined(CONFIG_LCD_RLANDSCAPE)
/* Horizontal refresh order (MH): 0
* RGB/BGR order (BGR) : 1
* Vertical refresh order (ML) : 0
@ -1100,16 +1105,17 @@ static void sam_lcd9341_initialize(void)
ILI9341_MEMORY_ACCESS_CONTROL_MV |
ILI9341_MEMORY_ACCESS_CONTROL_MX;
#else /* if defined(CONFIG_LCD_RLANDSCAPE) */
#elif defined(CONFIG_LCD_RPORTRAIT)
/* Horizontal refresh order (MH): 0
* RGB/BGR order (BGR) : 1
* Vertical refresh order (ML) : 0
* Row/column exchange (MV) : 0
* Row/column exchange (MV) : 1
* Column address order (MX) : 0
* Row address order (MY) : 1
*/
buffer[0] = ILI9341_MEMORY_ACCESS_CONTROL_BGR |
ILI9341_MEMORY_ACCESS_CONTROL_MX |
ILI9341_MEMORY_ACCESS_CONTROL_MY;
#endif