From 682dd7b7e66db2b004e1548db5da4e3942de21c1 Mon Sep 17 00:00:00 2001 From: Pavel Pisa Date: Fri, 28 Jun 2019 13:13:37 +0200 Subject: Document frame-buffer and LCD display emulation. Signed-off-by: Pavel Pisa --- README.md | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'README.md') diff --git a/README.md b/README.md index 7136359..f3d42d4 100644 --- a/README.md +++ b/README.md @@ -192,6 +192,16 @@ other words writable which control color of RGB LED 1 and 2 #define SPILED_REG_KNOBS_8BIT_o 0x024 ``` +The simple 16-bit per pixel (RGB565) framebuffer and LCD display +are implemented. The framebuffer is mapped into range starting +at `LCD_FB_START` address. The display size is 480 x 320 pixel. +Pixel format RGB565 expect red component in bits 11 .. 15, green +component in bits 5 .. 10 and blue component in bits 0 .. 4. +``` +#define LCD_FB_START 0xffe00000 +#define LCD_FB_END 0xffe4afff +``` + Interrupts and Coprocessor 0 Support ------------------------------------ -- cgit v1.2.3