The testpattern of the lcd was only working in 8bit mode(2x3 tiles in
different colors). With this patch now 8bit and 16bit is supported.
In 16bit mode there are 2x4 tiles in different colors.
The number of LCD-colors is defined in the include/configs/<boardfile>.h
br,
Andy
From 925cfe21b270c9e36627d5c69634a6873111f442 Mon Sep 17 00:00:00 2001
From: Andreas Neubacher <neubacher.andr...@gmail.com>
Date: Thu, 21 Jan 2016 13:06:32 +0100
Subject: [PATCH] fix the color testpattern in 16bit mode
Signed-off-by: Andreas Neubacher <neubacher.andr...@gmail.com>
---
common/lcd.c | 17 ++++++++++++++++-
include/lcd.h | 11 +++++++++--
2 files changed, 25 insertions(+), 3 deletions(-)
diff --git a/common/lcd.c b/common/lcd.c
index d29308a..09c8b5f 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -100,13 +100,24 @@ static void lcd_stub_puts(struct stdio_dev *dev, const char *s)
/* Small utility to check that you got the colours right */
#ifdef LCD_TEST_PATTERN
+#if LCD_BPP == LCD_COLOR8
#define N_BLK_VERT 2
#define N_BLK_HOR 3
static int test_colors[N_BLK_HOR * N_BLK_VERT] = {
CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
+}; /*LCD_BPP == LCD_COLOR8 */
+
+#elif LCD_BPP == LCD_COLOR16
+#define N_BLK_VERT 2
+#define N_BLK_HOR 4
+
+static int test_colors[N_BLK_HOR * N_BLK_VERT] = {
+ CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, CONSOLE_COLOR_BLUE,
+ CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, CONSOLE_COLOR_GREY, CONSOLE_COLOR_WHITE,
};
+#endif /*LCD_BPP == LCD_COLOR16 */
static void test_pattern(void)
{
@@ -115,12 +126,15 @@ static void test_pattern(void)
ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
ushort v, h;
+#if LCD_BPP == LCD_COLOR8
uchar *pix = (uchar *)lcd_base;
+#elif LCD_BPP == LCD_COLOR16
+ ushort *pix = (ushort *)lcd_base;
+#endif
printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
h_max, v_max, h_step, v_step);
- /* WARNING: Code silently assumes 8bit/pixel */
for (v = 0; v < v_max; ++v) {
uchar iy = v / v_step;
for (h = 0; h < h_max; ++h) {
@@ -131,6 +145,7 @@ static void test_pattern(void)
}
#endif /* LCD_TEST_PATTERN */
+
/*
* With most lcd drivers the line length is set up
* by calculating it from panel_info parameters. Some
diff --git a/include/lcd.h b/include/lcd.h
index 59202b7..b813fd0 100644
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -193,8 +193,15 @@ void lcd_sync(void);
#define CONSOLE_COLOR_WHITE 0x00ffffff /* Must remain last / highest */
#define NBYTES(bit_code) (NBITS(bit_code) >> 3)
#else /* 16bpp color definitions */
-#define CONSOLE_COLOR_BLACK 0x0000
-#define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
+# define CONSOLE_COLOR_BLACK 0x0000
+# define CONSOLE_COLOR_RED 0xF800
+# define CONSOLE_COLOR_GREEN 0x07E0
+# define CONSOLE_COLOR_YELLOW 0xFFE0
+# define CONSOLE_COLOR_BLUE 0x001F
+# define CONSOLE_COLOR_MAGENTA 0xF81F
+# define CONSOLE_COLOR_CYAN 0x07FF
+# define CONSOLE_COLOR_GREY 0xC618
+# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
#endif /* color definitions */
#if LCD_BPP == LCD_COLOR16
--
1.9.1
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