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Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libbsp/arm/gba/console/conio.c | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/gba/console/conio.c b/c/src/lib/libbsp/arm/gba/console/conio.c new file mode 100644 index 0000000000..3cb053a5f5 --- /dev/null +++ b/c/src/lib/libbsp/arm/gba/console/conio.c @@ -0,0 +1,428 @@ +/** + * @file conio.c + * + * This file contains the GBA conio I/O package. + */ +/* + * RTEMS GBA BSP + * + * Copyright (c) 2004 Markku Puro <markku.puro@kopteri.net> + * based on MyLib by Rafael Vuijk (aka Dark Fader) + * + * The license and distribution terms for this file may be + * found in found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +/***************************************************************************** + * This source file is based on work by Rafael Vuijk (aka Dark Fader) + ***************************************************************************** + ***************************************************************************** + * MyLib by Rafael Vuijk (aka Dark Fader) + * : + * This file is released into the public domain for commercial + * or non-commercial usage with no restrictions placed upon it. + *****************************************************************************/ + +/*---------------------------------------------------------------------------* + * Includes * + *---------------------------------------------------------------------------*/ +#include <stdint.h> +#include <rtems/score/types.h> +#include <gba.h> +#include <conio.h> +#include <stdio.h> +#include <stdarg.h> + +/*---------------------------------------------------------------------------* + * Defines * + *---------------------------------------------------------------------------*/ +#define W 60 /**< Screen width */ +#define H 26 /**< Screen height */ +#define CLRSCR_SIZE (W*4 * H*6) /**< Screen size */ +#define DEFAULT_FONT_WIDTH 4 /**< Font width */ +#define DEFAULT_FONT_HEIGHT 6 /**< Font height */ + +typedef unsigned short Palette[256]; /**< 256 colors */ +typedef unsigned short Palettes[16][16]; /**< 16 palettes with each 16 colors */ +typedef unsigned short Bitmap3[GBA_LCD_HEIGHT][GBA_LCD_WIDTH]; /**< 16 bits, single buffered */ +typedef unsigned char Bitmap4[GBA_LCD_HEIGHT][GBA_LCD_WIDTH]; /**< 8 bits, double buffered */ +typedef unsigned short Bitmap5[GBA_MODE5_HEIGHT][GBA_MODE5_WIDTH];/**< double buffered */ + +#define VRAM GBA_VRAM_ADDR /**< VRAM address */ +#define VRAM_END (VRAM + 0x18000) /**< VRAM end */ +#define BG_BITMAP0_VRAM (VRAM + 0x0) /**< BG Bitmap 0 RAM */ +#define BG_BITMAP1_VRAM (VRAM + 0xa000) /**< BG Bitmap 1 RAM */ + +#define bg_bitmap0 (*(Bitmap4 *)BG_BITMAP0_VRAM) +#define bg_bitmap1 (*(Bitmap4 *)BG_BITMAP1_VRAM) +#define bg_bitmap3 (*(Bitmap3 *)BG_BITMAP0_VRAM) +#define bg_bitmap4a (*(Bitmap4 *)BG_BITMAP0_VRAM) +#define bg_bitmap4b (*(Bitmap4 *)BG_BITMAP1_VRAM) +#define bg_bitmap5a (*(Bitmap5 *)BG_BITMAP0_VRAM) +#define bg_bitmap5b (*(Bitmap5 *)BG_BITMAP1_VRAM) + +/** Color conversion macro */ +#define RGB(r,g,b) ( (r)<<0 | (g)<<5 | (b)<<10 ) + +/** BG Affine Transformation Destination Data Structure */ +typedef struct { + int16_t H_DiffX; /**< Line Direction X Coordinate Difference */ + int16_t V_DiffX; /**< Vertical Direction X Coordinate Difference */ + int16_t H_DiffY; /**< Line Direction Y Coordinate Difference */ + int16_t V_DiffY; /**< Vertical Direction Y Coordinate Difference */ + int32_t StartX; /**< Start X Coordinate */ + int32_t StartY; /**< Start Y Coordinate */ +} BgAffineDestData; + +typedef volatile BgAffineDestData vBgAffineDestData; +#define rBg2Affine (*(vBgAffineDestData *)0x4000020) + +/** 256 colors for background(s) */ +#define bg_palette (*(Palette *)(GBA_PAL_RAM_ADDR)) + + +int _wherex; /**< Screen X coordinate */ +int _wherey; /**< Screen Y coordinate */ +int _textattr; /**< Text attribute */ + + +/*---------------------------------------------------------------------------* + * Defaultfont * + *---------------------------------------------------------------------------*/ +#include "defaultfont.c" + +/** + * @brief gba_gotoxy function set screeen xy-coordinates + * + * @param _x screen x coordinate + * @param _y screen y coordinate + * @return None + */ +void gba_gotoxy(int _x, int _y) +{ + _wherex = _x; + _wherey = _y; +} + + +/** + * @brief gba_putchar function writes char-data to screen memory. + * + * Char code is index to font table. + * + * Input parameters: char, attribute and cordinates + * @param c character code + * @param textattr text attribute + * @param x screen x coordinate + * @param y screen y coordinate + * @return None + */ +void gba_putchar(char c, int textattr, int x, int y) +{ + int f = textattr & 0x0F; + int b = textattr >> 4; + uint32_t fmask = f | f<<8 | f<<16 | f<<24; + uint32_t bmask = b | b<<8 | b<<16 | b<<24; + uint32_t *dest = (uint32_t *)&bg_bitmap4a[((y<<1) + y) << 1][x<<2]; + const uint32_t *src = (uint32_t *)&(font3x5[(int)c]); + uint32_t s; + s = *src++; *dest = (fmask&s) | (bmask&~s); dest += GBA_LCD_WIDTH/sizeof(uint32_t); + s = *src++; *dest = (fmask&s) | (bmask&~s); dest += GBA_LCD_WIDTH/sizeof(uint32_t); + s = *src++; *dest = (fmask&s) | (bmask&~s); dest += GBA_LCD_WIDTH/sizeof(uint32_t); + s = *src++; *dest = (fmask&s) | (bmask&~s); dest += GBA_LCD_WIDTH/sizeof(uint32_t); + s = *src++; *dest = (fmask&s) | (bmask&~s); dest += GBA_LCD_WIDTH/sizeof(uint32_t); + s = *src++; *dest = (fmask&s) | (bmask&~s); dest += GBA_LCD_WIDTH/sizeof(uint32_t); +} + + +/** + * @brief gba_textattr function set textattribute + * + * @param _attr text attribute + * @return None + */ +void gba_textattr(int _attr) +{ + _textattr = _attr; +} + +/** + * @brief gba_textbackground function set text background color + * + * @param _color backround color + * @return None + + */ +void gba_textbackground(int _color) +{ + _textattr = (_textattr & 0x0F) | (_color << 4); +} + +/** + * @brief gba_textcolor function set text color + * + * @param _colour text color + * @return None + */ +void gba_textcolor(int _color) +{ + _textattr = (_textattr & 0xF0) | (_color); +} + + +/** + * @brief gba_clearline function clear line nro y + * + * Line is filled with spaces + * + * @param y line number + * @return None + */ +void gba_clearline(int y) +{ + int x; + + for (x=0 ; x<=W ; x++) { + gba_putchar(0, _textattr, x, y); + } +} + +/** + * @brief gba_nextline function moves cursor to next line and clears it + * + * @param None + * @return None + */ +void gba_nextline(void) +{ + _wherex = 0; + if (++_wherey >= H) { + _wherey = 0; + } + gba_clearline(_wherey); +} + +/** + * @brief gba_clrscr function clear screen + * + * @param None + * @return None + */ +void gba_clrscr(void) +{ + int y; + + for (y=0 ; y<=H ; y++) { + gba_clearline(y); + } + gba_gotoxy(0,0); +} + +/** + * @brief gba_put function convert ascii char to font index and + * write char to screen memory + * + * @param _c character code + * @return None + */ +void gba_put(char _c) +{ + /* We have save some memory with reduced fonts */ + _c = _c & 0x7F; /* no extened chars */ + _c = _c - 0x20; /* no cntr chars */ + gba_putchar(_c, _textattr, _wherex, _wherey); +} + + +/** + * @brief gba_putch function write ascii chars to screen + * + * @param _c character code + * @return None + */ +void gba_putch(char _c) +{ + switch (_c) { + case ASCII_LF: + gba_nextline(); + break; + case ASCII_CR: + gba_gotoxy(0, _wherey); + break; + default: + gba_put(_c); + if (++_wherex >= W) + { + gba_nextline(); + } + break; + } + return; +} + +/** + * @brief gba_puts function write ascii string to screen + * + * @param _str ASCII string + * @return None + */ +void gba_puts(const char *_str) +{ + while (*_str) { + gba_putch(*_str++); + } + return; +} + +/** + * @brief gba_printf function do formated printf + * + * @param _format printf format string + * @param ... parameters specified in format string + * @return None + */ +int gba_printf(const char *_format, ...) +{ + char s[256]; + va_list marker; + va_start(marker, _format); + int r = vsprintf(s, _format, marker); + va_end(marker); + gba_puts(s); + return r; +} + +/** + * @brief gba_initconio function initialize console + * + * @param None + * @return None + */ +void gba_initconio(void) +{ + GBA_REG_DISPCNT = GBA_DISP_MODE_4 | GBA_DISP_BG2_ON;/* 256 color bitmapped mode */ + const BgAffineDestData bgAffineReset = {256,0,0,256,0,-256*2}; + rBg2Affine = bgAffineReset; + bg_palette[BLACK ] = RGB( 0, 0, 0); /* BLACK */ + bg_palette[BLUE ] = RGB( 0, 0,16); /* BLUE */ + bg_palette[GREEN ] = RGB( 0,16, 0); /* GREEN */ + bg_palette[CYAN ] = RGB( 0,16,16); /* CYAN */ + bg_palette[RED ] = RGB(16, 0, 0); /* RED */ + bg_palette[MAGENTA ] = RGB(16, 0,16); /* MAGENTA */ + bg_palette[BROWN ] = RGB(16,16, 0); /* BROWN */ + bg_palette[LIGHTGRAY ] = RGB(24,24,24); /* LIGHTGRAY */ + bg_palette[DARKGRAY ] = RGB(16,16,16); /* DARKGRAY */ + bg_palette[LIGHTBLUE ] = RGB( 0, 0,31); /* LIGHTBLUE */ + bg_palette[LIGHTGREEN ] = RGB( 0,31, 0); /* LIGHTGREEN */ + bg_palette[LIGHTCYAN ] = RGB( 0,31,31); /* LIGHTCYAN */ + bg_palette[LIGHTRED ] = RGB(31, 0, 0); /* LIGHTRED */ + bg_palette[LIGHTMAGENTA] = RGB(31, 0,31); /* LIGHTMAGENTA */ + bg_palette[YELLOW ] = RGB(31,31, 0); /* YELLOW */ + bg_palette[WHITE ] = RGB(31,31,31); /* WHITE */ + gba_textattr(0); + gba_textcolor(DEF_TEXTCOLOR); + gba_textbackground(DEF_TEXTBACKGROUND); + gba_clrscr(); +} + +/** + * @brief gba_textmode function set console mode + * + * @param _mode console mode code + * @return None + */ +void gba_textmode(int _mode) +{ + switch (_mode) { + case CO60: + { + gba_initconio(); + break; + } + } +} + + +/** + * @brief delay_loop function is simple delay loop + * + * @param count loop counter + * @return None + */ +void delay_loop(unsigned int count) +{ + int i; + for (i = 0; i<count; i++) i = i; +} + +static unsigned char inputch = ASCII_CR; /**< input character value */ +/** + * @brief gba_getch function read char from game pad keys + * + * Character input is done with GBA buttons, up-down-left-right/A/B/R/L/Select/Start + * - Select-key accept selected character + * - Start-key read CR (Enter) + * - A-key select 'A' character + * - B-key select 'Z' character + * - R-key select '1' character + * - L-key select '9' character + * - up-key increment character ('A'->'B') + * - down-key decrement character ('B'-'A') + * - left-key change set of character ('!'->'A'->'a') + * - right-key change set of character ('a'->'A'->'!') + * + * @param None + * @return Selected char code + */ +char gba_getch(void) +{ + int keyx, key = 0; + + while(1) { + key = GBA_KEY(); + while ( (keyx=GBA_KEY())==key ); + switch (key) + { + case GBA_KEY_SELECT: + gba_put(inputch); + return inputch; + break; + case GBA_KEY_START: + gba_put(' '); + inputch = ASCII_CR; + return inputch; + break; + case GBA_KEY_A: + inputch = 'A'; + break; + case GBA_KEY_B: + inputch = 'Z'; + break; + case GBA_KEY_UP: + if ((inputch-1) >= 0x20) inputch--; + break; + case GBA_KEY_DOWN: + if ((inputch+1) <= 0x7E) inputch++; + break; + case GBA_KEY_LEFT: + if ((inputch - 0x20) >= 0x20) inputch -= 0x20; + break; + case GBA_KEY_RIGHT: + if ((inputch + 0x20) <= 0x7E) inputch += 0x20; + break; + case GBA_KEY_R: + inputch = '1'; + break; + case GBA_KEY_L: + inputch = '9'; + break; + default: + break; + } + gba_put(inputch); + delay_loop(1000); + } +} |