periph_gba.h File Reference

GBA specific definitions for internal peripheral handling. More...

Detailed Description

GBA specific definitions for internal peripheral handling.

Author
Bennet Blischke

Definition in file periph_gba.h.

#include <stdint.h>
+ Include dependency graph for periph_gba.h:

Go to the source code of this file.

Macros

#define GBA_DISPCNT   REG16(0x4000000)
 Display Control register.
 
#define GBA_DISPSTAT   REG16(0x4000004)
 General LCD Status register.
 
#define GBA_VRAM_PALETTE   MEM16(0x5000000)
 VRAM color palette memory.
 
#define GBA_VRAM   MEM16(0x6000000)
 VRAM, 96Kb, 0x6017FFF - size depends on display mode!
 
#define REG32(ADDR)   (*(uint32_t volatile (*))(ADDR))
 Type for 32-bit registers.
 
#define REG16(ADDR)   (*(uint16_t volatile (*))(ADDR))
 Type for 16-bit registers.
 
#define MEM16(ADDR)   ((uint16_t(*))(ADDR))
 Type for 16-bit memory addresses.
 
#define GBA_SCREEN_WIDTH   (240)
 Screen dimension in pixel. More...
 
#define GBA_SCREEN_HEIGHT   (160)
 height
 

Settings for GBA_DISPCNT

#define GBA_DISPCNT_BGMODE_0   0x0000
 Tiled, four layers, up to 1024 tiles.
 
#define GBA_DISPCNT_BGMODE_1   0x0001
 Tiled, three layers, up to 1024 tiles.
 
#define GBA_DISPCNT_BGMODE_2   0x0002
 Tiled, two layers, up to 1024 tiles.
 
#define GBA_DISPCNT_BGMODE_3   0x0003
 Bitmap, 240x160, 15-bit RGB.
 
#define GBA_DISPCNT_BGMODE_4   0x0004
 Bitmap, 240x160, 8-bit RGB.
 
#define GBA_DISPCNT_BGMODE_5   0x0005
 Bitmap, 160x128, 15-bit RGB.
 
#define GBA_DISPCNT_SDBG_0   0x0100
 Enable display of background 0.
 
#define GBA_DISPCNT_SDBG_1   0x0200
 Enable display of background 1.
 
#define GBA_DISPCNT_SDBG_2   0x0400
 Enable display of background 2.
 
#define GBA_DISPCNT_SDBG_3   0x0800
 Enable display of background 3.
 
#define GBA_DISPCNT_SDOBJ   0x1000
 Enable display of objects.
 

LCD background control registers

#define GBA_BG0CNT   REG16(0x4000008)
 BG0.
 
#define GBA_BG1CNT   REG16(0x400000a)
 BG1.
 
#define GBA_BG2CNT   REG16(0x400000c)
 BG2.
 
#define GBA_BG3CNT   REG16(0x400000e)
 BG3.
 

Macro Definition Documentation

◆ GBA_SCREEN_WIDTH

#define GBA_SCREEN_WIDTH   (240)

Screen dimension in pixel.

width

Definition at line 48 of file periph_gba.h.