1.\u5f00\u53d1\u73af\u5883<\/h3>\n\n- \n
\u7cfb\u7edf：Ubuntu \/ \u5d4c\u5165\u5f0f Linux（ARM \u5f00\u53d1\u677f\u5747\u53ef）<\/p>\n<\/li>\n
- \n
\u8bed\u8a00：\u6807\u51c6 C \u8bed\u8a00<\/p>\n<\/li>\n
- \n
\u663e\u793a\u8bbe\u5907：\/dev\/fb0 Framebuffer \u5e27\u7f13\u51b2<\/p>\n<\/li>\n
- \n
\u4f9d\u8d56：\u65e0\u7b2c\u4e09\u65b9\u56fe\u5f62\u5e93，\u4ec5 Linux \u7cfb\u7edf\u8c03\u7528\u3001mmap \u5185\u5b58\u6620\u5c04\u3001\u57fa\u7840\u6587\u4ef6 IO<\/p>\n<\/li>\n
- \n
\u8d44\u6e90：\u4e24\u5f20 BMP \u56fe\u7247（\u9ed1\u68cb\u80dc\u5229 p111.bmp\u3001\u767d\u68cb\u80dc\u5229 p222.bmp）<\/p>\n<\/li>\n<\/ul>\n
2.\u5de5\u7a0b\u6587\u4ef6\u7ed3\u6784<\/h3>\n
\u251c\u2500\u2500 main.c # \u7a0b\u5e8f\u5165\u53e3，\u521d\u59cb\u5316\u5e27\u7f13\u51b2\u3001\u542f\u52a8\u6e38\u620f
\n\u251c\u2500\u2500 framebuffer.c # fb\u5e95\u5c42\u7ed8\u56fe\u5c01\u88c5：\u753b\u70b9\/\u7ebf\/\u77e9\u5f62\/\u5706\/\u6e05\u5c4f\/\u7ed8\u5236BMP
\n\u251c\u2500\u2500 framebuffer.h # \u7ed8\u56fe\u51fd\u6570\u5934\u6587\u4ef6
\n\u251c\u2500\u2500 game.c # \u4e94\u5b50\u68cb\u6838\u5fc3\u903b\u8f91：\u68cb\u76d8\u6e32\u67d3\u3001\u6309\u952e\u4ea4\u4e92\u3001\u843d\u5b50\u3001\u5224\u8d62\u3001\u91cd\u7f6e
\n\u251c\u2500\u2500 game.h # \u6e38\u620f\u6a21\u5757\u5934\u6587\u4ef6
\n\u251c\u2500\u2500 p111.bmp # \u9ed1\u68cb\u80dc\u5229\u754c\u9762\u56fe\u7247
\n\u251c\u2500\u2500 p222.bmp # \u767d\u68cb\u80dc\u5229\u754c\u9762\u56fe\u7247<\/p>\n
3.\u529f\u80fd\u6e05\u5355<\/h3>\n\n- \n
Framebuffer \u8bbe\u5907\u521d\u59cb\u5316，\u663e\u5b58 mmap \u6620\u5c04，\u81ea\u52a8\u8bfb\u53d6\u5c4f\u5e55\u5206\u8fa8\u7387<\/p>\n<\/li>\n
- \n
\u5c01\u88c5\u57fa\u7840\u7ed8\u56fe API：\u70b9\u3001\u6c34\u5e73\u7ebf\u3001\u7ad6\u7ebf\u3001\u5b9e\u5fc3\u77e9\u5f62\u3001\u5706\u5f62\u3001\u5168\u5c4f\u6e05\u5c4f<\/p>\n<\/li>\n
- \n
BMP \u56fe\u7247\u89e3\u6790\u6e32\u67d3，\u80dc\u5229\u5f39\u7a97\u5c55\u793a<\/p>\n<\/li>\n
- \n
15\u00d715 \u68cb\u76d8\u81ea\u52a8\u5c45\u4e2d\u7ed8\u5236，\u6728\u7eb9\u68cb\u76d8\u5e95\u8272 + \u6df1\u8272\u7f51\u683c\u7ebf<\/p>\n<\/li>\n
- \n
WASD \u63a7\u5236\u7ea2\u8272\u5149\u6807\u5728\u68cb\u76d8\u4ea4\u70b9\u79fb\u52a8，\u8fb9\u754c\u9650\u5236\u9632\u6b62\u51fa\u754c<\/p>\n<\/li>\n
- \n
\u7a7a\u683c\u952e\u843d\u5b50，\u57fa\u4e8e\u8ba1\u6570\u5668\u5947\u5076\u5b9e\u73b0\u9ed1\u767d\u68cb\u624b\u81ea\u52a8\u8f6e\u6362<\/p>\n<\/li>\n
- \n
\u843d\u5b50\u540e\u4ee5\u5f53\u524d\u68cb\u5b50\u4e3a\u4e2d\u5fc3，\u56db\u5411\u904d\u5386\u5224\u65ad\u4e94\u5b50\u8fde\u7ebf，\u80dc\u5229\u5c55\u793a\u5bf9\u5e94 BMP<\/p>\n<\/li>\n
- \n
E \u952e\u4e00\u952e\u6e05\u7a7a\u68cb\u76d8，\u91cd\u7f6e\u5bf9\u5c40<\/p>\n<\/li>\n<\/ul>\n
4.\u6d41\u7a0b\u6846\u56fe<\/h3>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260812103249-6a7c4bd1c27bc.png\")
<\/p>\n
\u4e09\u3001\u6838\u5fc3\u6a21\u5757<\/h2>\n1.Framebuffer\u5e95\u5c42\u56fe\u5f62\u5c01\u88c5\u539f\u7406<\/h3>\n
（1）\u5e27\u7f13\u51b2\u6838\u5fc3\u539f\u7406：\/dev\/fb0 \u662f\u5c4f\u5e55\u663e\u5b58\u62bd\u8c61，\u901a\u8fc7mmap\u5c06\u5185\u6838\u663e\u5b58\u6620\u5c04\u5230\u7528\u6237\u7a7a\u95f4，\u76f4\u63a5\u4fee\u6539\u5185\u5b58\u50cf\u7d20\u5b9e\u73b0\u7ed8\u56fe\u3002<\/p>\n
（2）\u5173\u952e\u51fd\u6570：<\/p>\n
\n- \n
init_fb()：\u6253\u5f00 fb \u8bbe\u5907\u3001ioctl \u83b7\u53d6\u5206\u8fa8\u7387\u3001\u5185\u5b58\u6620\u5c04\u663e\u5b58<\/p>\n<\/li>\n
- \n
draw_point()：\u57fa\u7840\u50cf\u7d20\u7ed8\u5236，\u533a\u5206 32 \u4f4d RGB888\/16 \u4f4d RGB565<\/p>\n<\/li>\n
- \n
\u76f4\u7ebf\u3001\u77e9\u5f62\u3001\u5706\u5f62\u3001\u6e05\u5c4f\u51fd\u6570\u57fa\u4e8edraw_point\u4e8c\u6b21\u5c01\u88c5<\/p>\n<\/li>\n
- \n
draw_bmp()：\u89e3\u6790 24 \u4f4d BMP \u6587\u4ef6\u5934，\u9010\u884c\u8bfb\u53d6\u50cf\u7d20\u7ed8\u5236\u5230\u5c4f\u5e55<\/p>\n<\/li>\n<\/ul>\n
#include <stdio.h>
\n#include <sys\/types.h>
\n#include <sys\/stat.h>
\n#include <fcntl.h>
\n#include <unistd.h>
\n#include <stdlib.h>
\n#include <sys\/ioctl.h>
\n#include <linux\/fb.h>
\n#include <sys\/mman.h>
\n#include <math.h>
\n#include "framebuffer.h"<\/p>\n
void *pmem = NULL;
\nint fb;
\nstruct fb_var_screeninfo vinfo;<\/p>\n
int fbx_g = 0;
\nint fby_g = 0;<\/p>\n
int init_fb(char *devname)
\n{
\n \/\/1. \u6253\u5f00\u663e\u793a\u8bbe\u5907(\/dev\/fb0)
\n fb = open(devname, O_RDWR);
\n if (-1 == fb)
\n {
\n perror("open fb error");
\n return -1;
\n }<\/p>\n
\/\/2. \u83b7\u53d6\u663e\u793a\u8bbe\u5907\u76f8\u5173\u53c2\u6570（\u5206\u8fa8\u7387，\u50cf\u7d20\u683c\u5f0f）<\/p>\n
int ret = ioctl(fb, FBIOGET_VSCREENINFO, &vinfo);
\n if (ret < 0)
\n {
\n perror("ioctl error");
\n return -1;
\n }<\/p>\n
printf("xres = %d, yres = %d\\\\n", vinfo.xres, vinfo.yres);
\n \/\/ printf("xres_virtual = %d, yres_virtual = %d\\\\n", vinfo.xres_virtual, vinfo.yres_virtual);
\n printf("bits_per_pixel = %d\\\\n", vinfo.bits_per_pixel);<\/p>\n
fbx_g = vinfo.xres;
\nfby_g = vinfo.yres;<\/p>\n
\/\/3. \u5efa\u7acb\u663e\u5b58\u7a7a\u95f4\u548c\u7528\u6237\u7a7a\u95f4\u7684\u5185\u5b58\u6620\u5c04
\n size_t len = vinfo.xres_virtual * vinfo.yres_virtual * vinfo.bits_per_pixel\/8;
\n pmem = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_SHARED, fb, 0);
\n if (pmem == MAP_FAILED)
\n {
\n perror("mmap error");
\n return -1;
\n }<\/p>\n
return 0;
\n}<\/p>\n
void draw_point(int x, int y, unsigned int col)
\n{
\n if (x >= vinfo.xres || y >= vinfo.yres)
\n {
\n return ;
\n }
\n if (vinfo.bits_per_pixel == RGB_FMT_888)
\n {
\n unsigned int *p = pmem;
\n *(p+vinfo.xres_virtual*y+x) = col;
\n }
\n else if (vinfo.bits_per_pixel == RGB_FMT_565)
\n {
\n unsigned short *p = pmem;
\n *(p+vinfo.xres_virtual*y+x) = col;
\n }
\n}<\/p>\n
void draw_h_line(int x, int y, int len, unsigned int col)
\n{
\nfor (int i = x; i < x+len; ++i)
\n{
\ndraw_point(i, y, col);
\n}
\n}<\/p>\n
void draw_s_line(int x, int y, int len, unsigned int col)
\n{
\nfor (int i = y; i < y+len; ++i)
\n{
\ndraw_point(x, i, col);
\n}
\n}<\/p>\n
void draw_clear(unsigned int col)
\n{
\nfor (int i = 0; i < fby_g; ++i)
\n{
\ndraw_h_line(0, i, fbx_g, col);
\n}
\n}<\/p>\n
void draw_full_rect(int x, int y, int w, int h, unsigned int col)
\n{
\nfor (int i = y; i < y+h; ++i)
\n{
\ndraw_h_line(x, i, w, col);
\n}
\n}<\/p>\n
void draw_circle(int x0, int y0, int r, unsigned int col)
\n{
\nint x = 0, y = 0;
\nint r0 = 0;<\/p>\n
for (r0 = 0; r0 <= r; ++r0)
\n{
\nfor (float si = 0; si <= 360; si += 0.01)
\n{
\nx = x0 + r0 * cos(2*3.1416\/360 * si);
\ny = y0 + r0 * sin(2*3.1416\/360 * si);
\ndraw_point(x, y, col);
\n}
\n}
\n}<\/p>\n
2.\u4e94\u5b50\u68cb\u68cb\u76d8\u5750\u6807\u4f53\u7cfb\u8bbe\u8ba1<\/h3>\n
（1）\u5b8f\u5b9a\u4e49\u7edf\u4e00\u7ba1\u7406\u68cb\u76d8\u53c2\u6570<\/p>\n
#define BROAD_X_START 125 \/\/ XY\u8d77\u70b9\u76f8\u7b49，\u68cb\u76d8\u6b63\u65b9\u5f62\u5c45\u4e2d
\n#define BROAD_Y_START 125
\n#define BROAD_X_CNT 15 \/\/ 15*15\u68cb\u76d8
\n#define BROAD_Y_CNT 15
\n#define BROAD_W_ONE 25 \/\/ \u5355\u683c\u50cf\u7d20\u5bbd\u5ea6<\/p>\n
（2）\u7a0b\u5e8f\u4ee3\u7801<\/p>\n
#include "game.h"
\n#include "framebuffer.h"
\n#include <stdio.h><\/p>\n
#define RED 0x00FF0000
\n#define GREEN 0x0000FF00
\n#define BLUE 0x000000FF
\n#define BLACK 0x00000000
\n#define WHITE 0x00FFFFFF
\n#define YELLOW 0x00FFFF00<\/p>\n
\/\/\u68cb\u76d8\u6a2a\u5411\u8d77\u59cb\u4f4d\u7f6e\u7684\u504f\u79fb\u91cf
\n#define BROAD_X_START 125
\n\/\/\u68cb\u76d8\u7eb5\u5411\u8d77\u59cb\u4f4d\u7f6e\u7684\u504f\u79fb\u91cf
\n#define BROAD_Y_START 125<\/p>\n
\/\/\u68cb\u76d8\u6a2a\u5411\u4f4d\u7f6e\u4e2a\u6570
\n#define BROAD_X_CNT 15
\n\/\/\u68cb\u76d8\u7eb5\u5411\u4f4d\u7f6e\u4e2a\u6570
\n#define BROAD_Y_CNT 15
\n\/\/\u68cb\u76d8\u5355\u4e2a\u683c\u5b50\u7684\u5bbd\u5ea6
\n#define BROAD_W_ONE 25<\/p>\n
#define WHITE_CHESS 1
\n#define BLACK_CHESS -1<\/p>\n
\/\/\u5f53\u524d\u5149\u6807\u6240\u5728\u7684\u4f4d\u7f6e
\nint posx_g = BROAD_X_START;
\nint posy_g = BROAD_Y_START;<\/p>\n
int chess_g[BROAD_Y_CNT][BROAD_X_CNT] = {0};
\nint k_g = 1;<\/p>\n
void show_chess_broad()
\n{
\ndraw_clear(0x00A07257);<\/p>\n
for (int i = 0; i < BROAD_Y_CNT; ++i)
\n{
\ndraw_h_line(BROAD_X_START, BROAD_Y_START+i*BROAD_W_ONE, (BROAD_X_CNT-1)*BROAD_W_ONE,0X00141414);
\n}<\/p>\n
for (int i = 0; i < BROAD_X_CNT; ++i)
\n{
\ndraw_s_line(BROAD_X_START+i*BROAD_W_ONE, BROAD_Y_START, (BROAD_Y_CNT-1)*BROAD_W_ONE, 0X00141414);
\n}<\/p>\n
draw_full_rect(posx_g-5, posy_g-5, 10, 10, RED);<\/p>\n
for (int i = 0; i < BROAD_Y_CNT; ++i)
\n{
\nfor (int j = 0; j < BROAD_X_CNT; ++j)
\n{
\nif (WHITE_CHESS == chess_g[i][j])
\n{
\ndraw_circle(i*BROAD_W_ONE+BROAD_Y_START, j*BROAD_W_ONE + BROAD_X_START,10, WHITE);
\n}
\nelse if (BLACK_CHESS == chess_g[i][j])
\n{
\ndraw_circle(i*BROAD_W_ONE+BROAD_Y_START, j*BROAD_W_ONE + BROAD_X_START,10, BLACK);
\n}
\n}
\n}<\/p>\n
}<\/p>\n
3.\u4ea4\u4e92\u903b\u8f91\u5b9e\u73b0<\/h3>\n\n- \n
\u5149\u6807\u79fb\u52a8：w\/a\/s\/d\u63a7\u5236，\u589e\u52a0\u8fb9\u754c\u5224\u65ad，\u5149\u6807\u65e0\u6cd5\u79fb\u51fa\u68cb\u76d8\u8303\u56f4<\/p>\n<\/li>\n
- \n
\u9ed1\u767d\u4ea4\u66ff\u843d\u5b50\u5b9e\u73b0\u91c7\u7528\u5168\u5c40\u8ba1\u6570\u53d8\u91cfk_g\u5947\u5076\u533a\u5206：<\/p>\n
\n- \n
\u521d\u59cbk_g=1，\u5947\u6570 = \u767d\u68cb，\u5076\u6570 = \u9ed1\u68cb<\/p>\n<\/li>\n
- \n
\u6bcf\u6b21\u843d\u5b50\u5b8c\u6210\u8ba1\u6570\u5668\u81ea\u589e，\u81ea\u52a8\u5207\u6362\u68cb\u624b<\/p>\n<\/li>\n
- \n
E \u952e\u91cd\u7f6e\u65f6\u8ba1\u6570\u5668\u5f52 1，\u6e05\u7a7a\u68cb\u76d8\u4e8c\u7ef4\u6570\u7ec4<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u843d\u5b50\u6570\u7ec4\u5b58\u50a8：chess_g[\u884c][\u5217]，1 \u4ee3\u8868\u767d\u68cb，-1 \u4ee3\u8868\u9ed1\u68cb<\/p>\n<\/li>\n<\/ul>\n
void begin_game()
\n{
\nchar choose = 0;<\/p>\n
while (1)
\n{
\nchoose = getchar();
\nif ('w' == choose)
\n{
\nif (posy_g > BROAD_Y_START)
\n{
\nposy_g -= BROAD_W_ONE;
\n}
\n}
\nelse if ('a' == choose)
\n{
\n if(posx_g > BROAD_X_START)
\n {
\n posx_g -= BROAD_W_ONE;
\n }
\n}
\nelse if ('s' == choose)
\n{
\nif (posy_g < BROAD_Y_START + (BROAD_Y_CNT-1)*BROAD_W_ONE)
\n{
\nposy_g += BROAD_W_ONE;
\n}
\n}
\nelse if ('d' == choose)
\n{
\n if(posx_g < BROAD_X_START + (BROAD_X_CNT-1)*BROAD_W_ONE)
\n {
\n posx_g += BROAD_W_ONE;
\n }
\n}
\nelse if (' ' == choose)
\n{
\n if(0 == k_g % 2)
\n {
\n chess_g[(posx_g-BROAD_X_START)\/BROAD_W_ONE][(posy_g-BROAD_Y_START)\/BROAD_W_ONE] = -1;
\n ++k_g;<\/p>\n
}
\n else if(0 != k_g % 2)
\n {
\n chess_g[(posx_g-BROAD_X_START)\/BROAD_W_ONE][(posy_g-BROAD_Y_START)\/BROAD_W_ONE] = 1;
\n ++k_g;
\n }
\n}
\n else if('e' == choose)
\n {
\n for(int i = 0 ; i < BROAD_X_CNT ; ++i)
\n {
\n int j = 0;
\n chess_g[i][j] = 0;
\n ++j;
\n }
\n draw_clear(0x00A07257);;
\n }
\nshow_chess_broad();
\n win_game();
\n}
\n}<\/p>\n
4.\u4e94\u5b50\u68cb\u80dc\u8d1f\u5224\u5b9a\u7b97\u6cd5<\/h3>\n\n- \n
\u5224\u5b9a\u89c4\u5219：\u6bcf\u4e2a\u65b9\u5411\u5411\u6b63\u53cd\u4e24\u4fa7\u904d\u5386，\u7edf\u8ba1\u8fde\u7eed\u540c\u8272\u68cb\u5b50，\u78b0\u5230\u8fb9\u754c \/ \u7a7a \/ \u5f02\u8272\u68cb\u5b50\u505c\u6b62，\u8fde\u7eed\u22655 \u5219\u5224\u5b9a\u80dc\u5229；win_game()\u51fd\u6570\u903b\u8f91，\u9ed1\u767d\u4e24\u5957\u5224\u5b9a\u5206\u652f，\u80dc\u5229\u540e\u7ed8\u5236\u5bf9\u5e94 BMP \u56fe\u7247\u3002<\/p>\n<\/li>\n<\/ul>\n
void win_game()
\n{
\n int x = (posx_g – BROAD_X_START)\/BROAD_W_ONE;
\n int y = (posy_g – BROAD_Y_START)\/BROAD_W_ONE;
\n int cnt = 1;
\n int dx = 0;
\n int dy = 0;<\/p>\n
dx = x;
\n dy = y;<\/p>\n
if(1 == chess_g[x][y])
\n {
\n while(1 == chess_g[x][y+1])
\n {
\n cnt = cnt + 1;
\n ++y;
\n }<\/p>\n
y = dy;
\n while(1 == chess_g[x][y-1])
\n {
\n cnt = cnt + 1;
\n –y;
\n }<\/p>\n
if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }<\/p>\n
y = dy;
\n cnt = 1;
\n while(1 == chess_g[x+1][y])
\n {
\n cnt = cnt + 1;
\n ++x;
\n }<\/p>\n
x = dx;
\n while(1 == chess_g[x-1][y])
\n {
\n cnt = cnt + 1;
\n –x;
\n }<\/p>\n
if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }
\n x = dx;
\n cnt = 1;
\n while(1 == chess_g[x+1][y+1])
\n {
\n cnt = cnt +1;
\n ++x;
\n ++y;
\n }
\n x = dx;
\n y = dy;
\n while(1 == chess_g[x-1][y-1])
\n {
\n cnt = cnt +1;
\n –x;
\n –y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }
\n x= dx;
\n y= dy;
\n cnt = 1;
\n while(1 == chess_g[x+1][y-1])
\n {
\n cnt = cnt +1;
\n ++x;
\n –y;
\n }
\n x = dx;
\n y = dy;
\n while(1 == chess_g[x-1][y+1])
\n {
\n cnt = cnt +1;
\n –x;
\n ++y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }
\n x = dx;
\n y = dy;
\n cnt = 1;
\n }<\/p>\n
if(-1 == chess_g[x][y])
\n {
\n while(-1 == chess_g[x][y+1])
\n {
\n cnt = cnt + 1;
\n ++y;
\n }<\/p>\n
y = dy;
\n while(-1 == chess_g[x][y-1])
\n {
\n cnt = cnt + 1;
\n –y;
\n }<\/p>\n
if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }<\/p>\n
y = dy;
\n cnt = 1;
\n while(-1 == chess_g[x+1][y])
\n {
\n cnt = cnt + 1;
\n ++x;
\n }<\/p>\n
x = dx;
\n while(-1 == chess_g[x-1][y])
\n {
\n cnt = cnt + 1;
\n –x;
\n }<\/p>\n
if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }
\n x = dx;
\n cnt = 1;
\n while(-1 == chess_g[x+1][y+1])
\n {
\n cnt = cnt +1;
\n ++x;
\n ++y;
\n }
\n x = dx;
\n y = dy;
\n while(-1 == chess_g[x-1][y-1])
\n {
\n cnt = cnt +1;
\n –x;
\n –y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }
\n x= dx;
\n y= dy;
\n cnt = 1;
\n while(-1 == chess_g[x+1][y-1])
\n {
\n cnt = cnt +1;
\n ++x;
\n –y;
\n }
\n x = dx;
\n y = dy;
\n while(-1 == chess_g[x-1][y+1])
\n {
\n cnt = cnt +1;
\n –x;
\n ++y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }
\n x = dx;
\n y = dy;
\n cnt = 1;
\n }
\n}<\/p>\n
5.\u4e3b\u7a0b\u5e8f<\/h3>\n
#include <stdio.h>
\n#include "framebuffer.h"
\n#include "game.h"<\/p>\n
int main(void)
\n{
\ninit_fb("\/dev\/fb0");
\nshow_chess_broad();
\nbegin_game();<\/p>\n
return 0;
\n}<\/p>\n
6.Makefile\u7f16\u8bd1\u811a\u672c<\/h3>\n
OBJ = a.out
\nSRC = main.c game.c framebuffer.c
\nCC = gcc<\/p>\n
$(OBJ):$(SRC)
\n$(CC) $^ -o $@ -lm<\/p>\n
clean:
\nrm $(OBJ)<\/p>\n
\u56db\u3001\u603b\u7ed3<\/h2>\n
\u00a0 \u00a0 \u00a0 \u00a0\u672c\u9879\u76ee\u4e0d\u4f9d\u8d56\u590d\u6742\u56fe\u5f62\u5e93，\u7eaf\u7cb9\u57fa\u4e8e Linux \u539f\u751f Framebuffer \u8bbe\u5907\u5b8c\u6210\u5c0f\u578b\u4ea4\u4e92\u6e38\u620f，\u8986\u76d6\u5d4c\u5165\u5f0f\u56fe\u5f62\u5f00\u53d1\u57fa\u7840\u6280\u80fd：\u663e\u5b58\u6620\u5c04\u3001\u50cf\u7d20\u7ed8\u56fe\u3001\u56fe\u7247\u89e3\u6790\u3001\u5c4f\u5e55\u5750\u6807\u7b97\u6cd5\u3001\u6e38\u620f\u4ea4\u4e92\u903b\u8f91\u3001\u4e94\u5b50\u68cb\u6838\u5fc3\u7b97\u6cd5\u3002\u9002\u5408 Linux \u5d4c\u5165\u5f0f\u5165\u95e8\u8005\u7ec3\u4e60，\u6587\u4e2d\u8bb0\u5f55\u7684\u5750\u6807\u9519\u4f4d\u3001\u80dc\u8d1f\u5224\u5b9a\u3001\u68cb\u624b\u8f6e\u6362\u7b49\u8e29\u5751\u70b9，\u80fd\u89e3\u51b3\u5927\u90e8\u5206\u521d\u5b66\u8005\u5f00\u53d1\u540c\u7c7b\u5c0f\u6e38\u620f\u65f6\u9047\u5230\u7684\u5171\u6027\u95ee\u9898，\u4ee3\u7801\u6a21\u5757\u5316\u62c6\u5206\u6e05\u6670，\u53ef\u5728\u6b64\u57fa\u7840\u4e0a\u62d3\u5c55\u4fc4\u7f57\u65af\u65b9\u5757\u3001\u8d2a\u5403\u86c7\u7b49\u5176\u4ed6\u56fe\u5f62\u5c0f\u6e38\u620f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001\u524d\u8a00\u5d4c\u5165\u5f0f Linux \u5f00\u53d1\u5e38\u63a5\u89e6 \/dev\/fb0 \u5e27\u7f13\u51b2\u8bbe\u5907，\u5f88\u591a\u521d\u5b66\u8005\u53ea\u61c2\u57fa\u7840\u753b\u70b9\u753b\u7ebf，\u4e0d\u77e5\u9053\u5982\u4f55\u642d\u5efa\u5b8c\u6574\u4ea4\u4e92\u5c0f\u6e38\u620f\u3002\u672c\u6587\u4e0d\u4f7f\u7528\u4efb\u4f55\u56fe\u5f62\u6846\u67b6（SDL\/GTK\/Qt），\u4ec5\u901a\u8fc7\u539f\u751f C\u3001Linux \u5e27\u7f13\u51b2\u63a5\u53e3\u5b9e\u73b0\u4e00\u5957\u5b8c\u6574\u4e94\u5b50\u68cb\u7a0b\u5e8f，\u5305\u542b\u68cb\u76d8\u7ed8\u5236\u3001WASD \u5149\u6807\u79fb\u52a8\u3001\u9ed1\u767d\u4ea4\u66ff\u843d\u5b50\u3001\u843d\u5b50\u540e\u56db\u5411\u80dc\u8d1f\u5224\u5b9a\u3001BMP \u80dc\u5229\u56fe\u7247\u5c55\u793a\u3001\u4e00\u952e\u91cd\u7f6e\u68cb\u76d8\u529f\u80fd\u3002 \u9879\u76ee\u8986\u76d6：\u5e27\u7f13\u51b2\u521d\u59cb\u5316\u3001\u57fa\u7840\u7ed8\u56fe\u5c01<\/p>\n","protected":false},"author":2,"featured_media":93515,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,248,44],"topic":[],"class_list":["post-93516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-248","tag-44"],"yoast_head":"\n
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\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-08-12T10:32:51+00:00","dateModified":"2026-08-12T10:32:51+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/93516.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/93516.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/93516.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"Linux \u7cfb\u7edf\u4e0b\u57fa\u4e8e Framebuffer \u548c C \u8bed\u8a00\u5b9e\u73b0\u7b80\u5355\u7684\u4e94\u5b50\u68cb\u5c0f\u6e38\u620f\u9879\u76ee"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/93516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=93516"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/93516\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/93515"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=93516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=93516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=93516"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=93516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u7cfb\u7edf：Ubuntu \/ \u5d4c\u5165\u5f0f Linux（ARM \u5f00\u53d1\u677f\u5747\u53ef）<\/p>\n<\/li>\n
\u8bed\u8a00：\u6807\u51c6 C \u8bed\u8a00<\/p>\n<\/li>\n
\u663e\u793a\u8bbe\u5907：\/dev\/fb0 Framebuffer \u5e27\u7f13\u51b2<\/p>\n<\/li>\n
\u4f9d\u8d56：\u65e0\u7b2c\u4e09\u65b9\u56fe\u5f62\u5e93，\u4ec5 Linux \u7cfb\u7edf\u8c03\u7528\u3001mmap \u5185\u5b58\u6620\u5c04\u3001\u57fa\u7840\u6587\u4ef6 IO<\/p>\n<\/li>\n
\u8d44\u6e90：\u4e24\u5f20 BMP \u56fe\u7247（\u9ed1\u68cb\u80dc\u5229 p111.bmp\u3001\u767d\u68cb\u80dc\u5229 p222.bmp）<\/p>\n<\/li>\n<\/ul>\n
2.\u5de5\u7a0b\u6587\u4ef6\u7ed3\u6784<\/h3>\n
\u251c\u2500\u2500 main.c # \u7a0b\u5e8f\u5165\u53e3，\u521d\u59cb\u5316\u5e27\u7f13\u51b2\u3001\u542f\u52a8\u6e38\u620f
\n\u251c\u2500\u2500 framebuffer.c # fb\u5e95\u5c42\u7ed8\u56fe\u5c01\u88c5：\u753b\u70b9\/\u7ebf\/\u77e9\u5f62\/\u5706\/\u6e05\u5c4f\/\u7ed8\u5236BMP
\n\u251c\u2500\u2500 framebuffer.h # \u7ed8\u56fe\u51fd\u6570\u5934\u6587\u4ef6
\n\u251c\u2500\u2500 game.c # \u4e94\u5b50\u68cb\u6838\u5fc3\u903b\u8f91：\u68cb\u76d8\u6e32\u67d3\u3001\u6309\u952e\u4ea4\u4e92\u3001\u843d\u5b50\u3001\u5224\u8d62\u3001\u91cd\u7f6e
\n\u251c\u2500\u2500 game.h # \u6e38\u620f\u6a21\u5757\u5934\u6587\u4ef6
\n\u251c\u2500\u2500 p111.bmp # \u9ed1\u68cb\u80dc\u5229\u754c\u9762\u56fe\u7247
\n\u251c\u2500\u2500 p222.bmp # \u767d\u68cb\u80dc\u5229\u754c\u9762\u56fe\u7247<\/p>\n
3.\u529f\u80fd\u6e05\u5355<\/h3>\n\n- \n
Framebuffer \u8bbe\u5907\u521d\u59cb\u5316，\u663e\u5b58 mmap \u6620\u5c04，\u81ea\u52a8\u8bfb\u53d6\u5c4f\u5e55\u5206\u8fa8\u7387<\/p>\n<\/li>\n
- \n
\u5c01\u88c5\u57fa\u7840\u7ed8\u56fe API：\u70b9\u3001\u6c34\u5e73\u7ebf\u3001\u7ad6\u7ebf\u3001\u5b9e\u5fc3\u77e9\u5f62\u3001\u5706\u5f62\u3001\u5168\u5c4f\u6e05\u5c4f<\/p>\n<\/li>\n
- \n
BMP \u56fe\u7247\u89e3\u6790\u6e32\u67d3，\u80dc\u5229\u5f39\u7a97\u5c55\u793a<\/p>\n<\/li>\n
- \n
15\u00d715 \u68cb\u76d8\u81ea\u52a8\u5c45\u4e2d\u7ed8\u5236，\u6728\u7eb9\u68cb\u76d8\u5e95\u8272 + \u6df1\u8272\u7f51\u683c\u7ebf<\/p>\n<\/li>\n
- \n
WASD \u63a7\u5236\u7ea2\u8272\u5149\u6807\u5728\u68cb\u76d8\u4ea4\u70b9\u79fb\u52a8，\u8fb9\u754c\u9650\u5236\u9632\u6b62\u51fa\u754c<\/p>\n<\/li>\n
- \n
\u7a7a\u683c\u952e\u843d\u5b50，\u57fa\u4e8e\u8ba1\u6570\u5668\u5947\u5076\u5b9e\u73b0\u9ed1\u767d\u68cb\u624b\u81ea\u52a8\u8f6e\u6362<\/p>\n<\/li>\n
- \n
\u843d\u5b50\u540e\u4ee5\u5f53\u524d\u68cb\u5b50\u4e3a\u4e2d\u5fc3，\u56db\u5411\u904d\u5386\u5224\u65ad\u4e94\u5b50\u8fde\u7ebf，\u80dc\u5229\u5c55\u793a\u5bf9\u5e94 BMP<\/p>\n<\/li>\n
- \n
E \u952e\u4e00\u952e\u6e05\u7a7a\u68cb\u76d8，\u91cd\u7f6e\u5bf9\u5c40<\/p>\n<\/li>\n<\/ul>\n
4.\u6d41\u7a0b\u6846\u56fe<\/h3>\n
<\/p>\n
\u4e09\u3001\u6838\u5fc3\u6a21\u5757<\/h2>\n1.Framebuffer\u5e95\u5c42\u56fe\u5f62\u5c01\u88c5\u539f\u7406<\/h3>\n
（1）\u5e27\u7f13\u51b2\u6838\u5fc3\u539f\u7406：\/dev\/fb0 \u662f\u5c4f\u5e55\u663e\u5b58\u62bd\u8c61，\u901a\u8fc7mmap\u5c06\u5185\u6838\u663e\u5b58\u6620\u5c04\u5230\u7528\u6237\u7a7a\u95f4，\u76f4\u63a5\u4fee\u6539\u5185\u5b58\u50cf\u7d20\u5b9e\u73b0\u7ed8\u56fe\u3002<\/p>\n
（2）\u5173\u952e\u51fd\u6570：<\/p>\n
\n- \n
init_fb()：\u6253\u5f00 fb \u8bbe\u5907\u3001ioctl \u83b7\u53d6\u5206\u8fa8\u7387\u3001\u5185\u5b58\u6620\u5c04\u663e\u5b58<\/p>\n<\/li>\n
- \n
draw_point()：\u57fa\u7840\u50cf\u7d20\u7ed8\u5236，\u533a\u5206 32 \u4f4d RGB888\/16 \u4f4d RGB565<\/p>\n<\/li>\n
- \n
\u76f4\u7ebf\u3001\u77e9\u5f62\u3001\u5706\u5f62\u3001\u6e05\u5c4f\u51fd\u6570\u57fa\u4e8edraw_point\u4e8c\u6b21\u5c01\u88c5<\/p>\n<\/li>\n
- \n
draw_bmp()：\u89e3\u6790 24 \u4f4d BMP \u6587\u4ef6\u5934，\u9010\u884c\u8bfb\u53d6\u50cf\u7d20\u7ed8\u5236\u5230\u5c4f\u5e55<\/p>\n<\/li>\n<\/ul>\n
#include <stdio.h>
\n#include <sys\/types.h>
\n#include <sys\/stat.h>
\n#include <fcntl.h>
\n#include <unistd.h>
\n#include <stdlib.h>
\n#include <sys\/ioctl.h>
\n#include <linux\/fb.h>
\n#include <sys\/mman.h>
\n#include <math.h>
\n#include "framebuffer.h"<\/p>\n
void *pmem = NULL;
\nint fb;
\nstruct fb_var_screeninfo vinfo;<\/p>\n
int fbx_g = 0;
\nint fby_g = 0;<\/p>\n
int init_fb(char *devname)
\n{
\n \/\/1. \u6253\u5f00\u663e\u793a\u8bbe\u5907(\/dev\/fb0)
\n fb = open(devname, O_RDWR);
\n if (-1 == fb)
\n {
\n perror("open fb error");
\n return -1;
\n }<\/p>\n
\/\/2. \u83b7\u53d6\u663e\u793a\u8bbe\u5907\u76f8\u5173\u53c2\u6570（\u5206\u8fa8\u7387，\u50cf\u7d20\u683c\u5f0f）<\/p>\n
int ret = ioctl(fb, FBIOGET_VSCREENINFO, &vinfo);
\n if (ret < 0)
\n {
\n perror("ioctl error");
\n return -1;
\n }<\/p>\n
printf("xres = %d, yres = %d\\\\n", vinfo.xres, vinfo.yres);
\n \/\/ printf("xres_virtual = %d, yres_virtual = %d\\\\n", vinfo.xres_virtual, vinfo.yres_virtual);
\n printf("bits_per_pixel = %d\\\\n", vinfo.bits_per_pixel);<\/p>\n
fbx_g = vinfo.xres;
\nfby_g = vinfo.yres;<\/p>\n
\/\/3. \u5efa\u7acb\u663e\u5b58\u7a7a\u95f4\u548c\u7528\u6237\u7a7a\u95f4\u7684\u5185\u5b58\u6620\u5c04
\n size_t len = vinfo.xres_virtual * vinfo.yres_virtual * vinfo.bits_per_pixel\/8;
\n pmem = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_SHARED, fb, 0);
\n if (pmem == MAP_FAILED)
\n {
\n perror("mmap error");
\n return -1;
\n }<\/p>\n
return 0;
\n}<\/p>\n
void draw_point(int x, int y, unsigned int col)
\n{
\n if (x >= vinfo.xres || y >= vinfo.yres)
\n {
\n return ;
\n }
\n if (vinfo.bits_per_pixel == RGB_FMT_888)
\n {
\n unsigned int *p = pmem;
\n *(p+vinfo.xres_virtual*y+x) = col;
\n }
\n else if (vinfo.bits_per_pixel == RGB_FMT_565)
\n {
\n unsigned short *p = pmem;
\n *(p+vinfo.xres_virtual*y+x) = col;
\n }
\n}<\/p>\n
void draw_h_line(int x, int y, int len, unsigned int col)
\n{
\nfor (int i = x; i < x+len; ++i)
\n{
\ndraw_point(i, y, col);
\n}
\n}<\/p>\n
void draw_s_line(int x, int y, int len, unsigned int col)
\n{
\nfor (int i = y; i < y+len; ++i)
\n{
\ndraw_point(x, i, col);
\n}
\n}<\/p>\n
void draw_clear(unsigned int col)
\n{
\nfor (int i = 0; i < fby_g; ++i)
\n{
\ndraw_h_line(0, i, fbx_g, col);
\n}
\n}<\/p>\n
void draw_full_rect(int x, int y, int w, int h, unsigned int col)
\n{
\nfor (int i = y; i < y+h; ++i)
\n{
\ndraw_h_line(x, i, w, col);
\n}
\n}<\/p>\n
void draw_circle(int x0, int y0, int r, unsigned int col)
\n{
\nint x = 0, y = 0;
\nint r0 = 0;<\/p>\n
for (r0 = 0; r0 <= r; ++r0)
\n{
\nfor (float si = 0; si <= 360; si += 0.01)
\n{
\nx = x0 + r0 * cos(2*3.1416\/360 * si);
\ny = y0 + r0 * sin(2*3.1416\/360 * si);
\ndraw_point(x, y, col);
\n}
\n}
\n}<\/p>\n
2.\u4e94\u5b50\u68cb\u68cb\u76d8\u5750\u6807\u4f53\u7cfb\u8bbe\u8ba1<\/h3>\n
（1）\u5b8f\u5b9a\u4e49\u7edf\u4e00\u7ba1\u7406\u68cb\u76d8\u53c2\u6570<\/p>\n
#define BROAD_X_START 125 \/\/ XY\u8d77\u70b9\u76f8\u7b49，\u68cb\u76d8\u6b63\u65b9\u5f62\u5c45\u4e2d
\n#define BROAD_Y_START 125
\n#define BROAD_X_CNT 15 \/\/ 15*15\u68cb\u76d8
\n#define BROAD_Y_CNT 15
\n#define BROAD_W_ONE 25 \/\/ \u5355\u683c\u50cf\u7d20\u5bbd\u5ea6<\/p>\n
（2）\u7a0b\u5e8f\u4ee3\u7801<\/p>\n
#include "game.h"
\n#include "framebuffer.h"
\n#include <stdio.h><\/p>\n
#define RED 0x00FF0000
\n#define GREEN 0x0000FF00
\n#define BLUE 0x000000FF
\n#define BLACK 0x00000000
\n#define WHITE 0x00FFFFFF
\n#define YELLOW 0x00FFFF00<\/p>\n
\/\/\u68cb\u76d8\u6a2a\u5411\u8d77\u59cb\u4f4d\u7f6e\u7684\u504f\u79fb\u91cf
\n#define BROAD_X_START 125
\n\/\/\u68cb\u76d8\u7eb5\u5411\u8d77\u59cb\u4f4d\u7f6e\u7684\u504f\u79fb\u91cf
\n#define BROAD_Y_START 125<\/p>\n
\/\/\u68cb\u76d8\u6a2a\u5411\u4f4d\u7f6e\u4e2a\u6570
\n#define BROAD_X_CNT 15
\n\/\/\u68cb\u76d8\u7eb5\u5411\u4f4d\u7f6e\u4e2a\u6570
\n#define BROAD_Y_CNT 15
\n\/\/\u68cb\u76d8\u5355\u4e2a\u683c\u5b50\u7684\u5bbd\u5ea6
\n#define BROAD_W_ONE 25<\/p>\n
#define WHITE_CHESS 1
\n#define BLACK_CHESS -1<\/p>\n
\/\/\u5f53\u524d\u5149\u6807\u6240\u5728\u7684\u4f4d\u7f6e
\nint posx_g = BROAD_X_START;
\nint posy_g = BROAD_Y_START;<\/p>\n
int chess_g[BROAD_Y_CNT][BROAD_X_CNT] = {0};
\nint k_g = 1;<\/p>\n
void show_chess_broad()
\n{
\ndraw_clear(0x00A07257);<\/p>\n
for (int i = 0; i < BROAD_Y_CNT; ++i)
\n{
\ndraw_h_line(BROAD_X_START, BROAD_Y_START+i*BROAD_W_ONE, (BROAD_X_CNT-1)*BROAD_W_ONE,0X00141414);
\n}<\/p>\n
for (int i = 0; i < BROAD_X_CNT; ++i)
\n{
\ndraw_s_line(BROAD_X_START+i*BROAD_W_ONE, BROAD_Y_START, (BROAD_Y_CNT-1)*BROAD_W_ONE, 0X00141414);
\n}<\/p>\n
draw_full_rect(posx_g-5, posy_g-5, 10, 10, RED);<\/p>\n
for (int i = 0; i < BROAD_Y_CNT; ++i)
\n{
\nfor (int j = 0; j < BROAD_X_CNT; ++j)
\n{
\nif (WHITE_CHESS == chess_g[i][j])
\n{
\ndraw_circle(i*BROAD_W_ONE+BROAD_Y_START, j*BROAD_W_ONE + BROAD_X_START,10, WHITE);
\n}
\nelse if (BLACK_CHESS == chess_g[i][j])
\n{
\ndraw_circle(i*BROAD_W_ONE+BROAD_Y_START, j*BROAD_W_ONE + BROAD_X_START,10, BLACK);
\n}
\n}
\n}<\/p>\n
}<\/p>\n
3.\u4ea4\u4e92\u903b\u8f91\u5b9e\u73b0<\/h3>\n\n- \n
\u5149\u6807\u79fb\u52a8：w\/a\/s\/d\u63a7\u5236，\u589e\u52a0\u8fb9\u754c\u5224\u65ad，\u5149\u6807\u65e0\u6cd5\u79fb\u51fa\u68cb\u76d8\u8303\u56f4<\/p>\n<\/li>\n
- \n
\u9ed1\u767d\u4ea4\u66ff\u843d\u5b50\u5b9e\u73b0\u91c7\u7528\u5168\u5c40\u8ba1\u6570\u53d8\u91cfk_g\u5947\u5076\u533a\u5206：<\/p>\n
\n- \n
\u521d\u59cbk_g=1，\u5947\u6570 = \u767d\u68cb，\u5076\u6570 = \u9ed1\u68cb<\/p>\n<\/li>\n
- \n
\u6bcf\u6b21\u843d\u5b50\u5b8c\u6210\u8ba1\u6570\u5668\u81ea\u589e，\u81ea\u52a8\u5207\u6362\u68cb\u624b<\/p>\n<\/li>\n
- \n
E \u952e\u91cd\u7f6e\u65f6\u8ba1\u6570\u5668\u5f52 1，\u6e05\u7a7a\u68cb\u76d8\u4e8c\u7ef4\u6570\u7ec4<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u843d\u5b50\u6570\u7ec4\u5b58\u50a8：chess_g[\u884c][\u5217]，1 \u4ee3\u8868\u767d\u68cb，-1 \u4ee3\u8868\u9ed1\u68cb<\/p>\n<\/li>\n<\/ul>\n
void begin_game()
\n{
\nchar choose = 0;<\/p>\n
while (1)
\n{
\nchoose = getchar();
\nif ('w' == choose)
\n{
\nif (posy_g > BROAD_Y_START)
\n{
\nposy_g -= BROAD_W_ONE;
\n}
\n}
\nelse if ('a' == choose)
\n{
\n if(posx_g > BROAD_X_START)
\n {
\n posx_g -= BROAD_W_ONE;
\n }
\n}
\nelse if ('s' == choose)
\n{
\nif (posy_g < BROAD_Y_START + (BROAD_Y_CNT-1)*BROAD_W_ONE)
\n{
\nposy_g += BROAD_W_ONE;
\n}
\n}
\nelse if ('d' == choose)
\n{
\n if(posx_g < BROAD_X_START + (BROAD_X_CNT-1)*BROAD_W_ONE)
\n {
\n posx_g += BROAD_W_ONE;
\n }
\n}
\nelse if (' ' == choose)
\n{
\n if(0 == k_g % 2)
\n {
\n chess_g[(posx_g-BROAD_X_START)\/BROAD_W_ONE][(posy_g-BROAD_Y_START)\/BROAD_W_ONE] = -1;
\n ++k_g;<\/p>\n
}
\n else if(0 != k_g % 2)
\n {
\n chess_g[(posx_g-BROAD_X_START)\/BROAD_W_ONE][(posy_g-BROAD_Y_START)\/BROAD_W_ONE] = 1;
\n ++k_g;
\n }
\n}
\n else if('e' == choose)
\n {
\n for(int i = 0 ; i < BROAD_X_CNT ; ++i)
\n {
\n int j = 0;
\n chess_g[i][j] = 0;
\n ++j;
\n }
\n draw_clear(0x00A07257);;
\n }
\nshow_chess_broad();
\n win_game();
\n}
\n}<\/p>\n
4.\u4e94\u5b50\u68cb\u80dc\u8d1f\u5224\u5b9a\u7b97\u6cd5<\/h3>\n\n- \n
\u5224\u5b9a\u89c4\u5219：\u6bcf\u4e2a\u65b9\u5411\u5411\u6b63\u53cd\u4e24\u4fa7\u904d\u5386，\u7edf\u8ba1\u8fde\u7eed\u540c\u8272\u68cb\u5b50，\u78b0\u5230\u8fb9\u754c \/ \u7a7a \/ \u5f02\u8272\u68cb\u5b50\u505c\u6b62，\u8fde\u7eed\u22655 \u5219\u5224\u5b9a\u80dc\u5229；win_game()\u51fd\u6570\u903b\u8f91，\u9ed1\u767d\u4e24\u5957\u5224\u5b9a\u5206\u652f，\u80dc\u5229\u540e\u7ed8\u5236\u5bf9\u5e94 BMP \u56fe\u7247\u3002<\/p>\n<\/li>\n<\/ul>\n
void win_game()
\n{
\n int x = (posx_g – BROAD_X_START)\/BROAD_W_ONE;
\n int y = (posy_g – BROAD_Y_START)\/BROAD_W_ONE;
\n int cnt = 1;
\n int dx = 0;
\n int dy = 0;<\/p>\n
dx = x;
\n dy = y;<\/p>\n
if(1 == chess_g[x][y])
\n {
\n while(1 == chess_g[x][y+1])
\n {
\n cnt = cnt + 1;
\n ++y;
\n }<\/p>\n
y = dy;
\n while(1 == chess_g[x][y-1])
\n {
\n cnt = cnt + 1;
\n –y;
\n }<\/p>\n
if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }<\/p>\n
y = dy;
\n cnt = 1;
\n while(1 == chess_g[x+1][y])
\n {
\n cnt = cnt + 1;
\n ++x;
\n }<\/p>\n
x = dx;
\n while(1 == chess_g[x-1][y])
\n {
\n cnt = cnt + 1;
\n –x;
\n }<\/p>\n
if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }
\n x = dx;
\n cnt = 1;
\n while(1 == chess_g[x+1][y+1])
\n {
\n cnt = cnt +1;
\n ++x;
\n ++y;
\n }
\n x = dx;
\n y = dy;
\n while(1 == chess_g[x-1][y-1])
\n {
\n cnt = cnt +1;
\n –x;
\n –y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }
\n x= dx;
\n y= dy;
\n cnt = 1;
\n while(1 == chess_g[x+1][y-1])
\n {
\n cnt = cnt +1;
\n ++x;
\n –y;
\n }
\n x = dx;
\n y = dy;
\n while(1 == chess_g[x-1][y+1])
\n {
\n cnt = cnt +1;
\n –x;
\n ++y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }
\n x = dx;
\n y = dy;
\n cnt = 1;
\n }<\/p>\n
if(-1 == chess_g[x][y])
\n {
\n while(-1 == chess_g[x][y+1])
\n {
\n cnt = cnt + 1;
\n ++y;
\n }<\/p>\n
y = dy;
\n while(-1 == chess_g[x][y-1])
\n {
\n cnt = cnt + 1;
\n –y;
\n }<\/p>\n
if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }<\/p>\n
y = dy;
\n cnt = 1;
\n while(-1 == chess_g[x+1][y])
\n {
\n cnt = cnt + 1;
\n ++x;
\n }<\/p>\n
x = dx;
\n while(-1 == chess_g[x-1][y])
\n {
\n cnt = cnt + 1;
\n –x;
\n }<\/p>\n
if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }
\n x = dx;
\n cnt = 1;
\n while(-1 == chess_g[x+1][y+1])
\n {
\n cnt = cnt +1;
\n ++x;
\n ++y;
\n }
\n x = dx;
\n y = dy;
\n while(-1 == chess_g[x-1][y-1])
\n {
\n cnt = cnt +1;
\n –x;
\n –y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }
\n x= dx;
\n y= dy;
\n cnt = 1;
\n while(-1 == chess_g[x+1][y-1])
\n {
\n cnt = cnt +1;
\n ++x;
\n –y;
\n }
\n x = dx;
\n y = dy;
\n while(-1 == chess_g[x-1][y+1])
\n {
\n cnt = cnt +1;
\n –x;
\n ++y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }
\n x = dx;
\n y = dy;
\n cnt = 1;
\n }
\n}<\/p>\n
5.\u4e3b\u7a0b\u5e8f<\/h3>\n
#include <stdio.h>
\n#include "framebuffer.h"
\n#include "game.h"<\/p>\n
int main(void)
\n{
\ninit_fb("\/dev\/fb0");
\nshow_chess_broad();
\nbegin_game();<\/p>\n
return 0;
\n}<\/p>\n
6.Makefile\u7f16\u8bd1\u811a\u672c<\/h3>\n
OBJ = a.out
\nSRC = main.c game.c framebuffer.c
\nCC = gcc<\/p>\n
$(OBJ):$(SRC)
\n$(CC) $^ -o $@ -lm<\/p>\n
clean:
\nrm $(OBJ)<\/p>\n
\u56db\u3001\u603b\u7ed3<\/h2>\n
\u00a0 \u00a0 \u00a0 \u00a0\u672c\u9879\u76ee\u4e0d\u4f9d\u8d56\u590d\u6742\u56fe\u5f62\u5e93，\u7eaf\u7cb9\u57fa\u4e8e Linux \u539f\u751f Framebuffer \u8bbe\u5907\u5b8c\u6210\u5c0f\u578b\u4ea4\u4e92\u6e38\u620f，\u8986\u76d6\u5d4c\u5165\u5f0f\u56fe\u5f62\u5f00\u53d1\u57fa\u7840\u6280\u80fd：\u663e\u5b58\u6620\u5c04\u3001\u50cf\u7d20\u7ed8\u56fe\u3001\u56fe\u7247\u89e3\u6790\u3001\u5c4f\u5e55\u5750\u6807\u7b97\u6cd5\u3001\u6e38\u620f\u4ea4\u4e92\u903b\u8f91\u3001\u4e94\u5b50\u68cb\u6838\u5fc3\u7b97\u6cd5\u3002\u9002\u5408 Linux \u5d4c\u5165\u5f0f\u5165\u95e8\u8005\u7ec3\u4e60，\u6587\u4e2d\u8bb0\u5f55\u7684\u5750\u6807\u9519\u4f4d\u3001\u80dc\u8d1f\u5224\u5b9a\u3001\u68cb\u624b\u8f6e\u6362\u7b49\u8e29\u5751\u70b9，\u80fd\u89e3\u51b3\u5927\u90e8\u5206\u521d\u5b66\u8005\u5f00\u53d1\u540c\u7c7b\u5c0f\u6e38\u620f\u65f6\u9047\u5230\u7684\u5171\u6027\u95ee\u9898，\u4ee3\u7801\u6a21\u5757\u5316\u62c6\u5206\u6e05\u6670，\u53ef\u5728\u6b64\u57fa\u7840\u4e0a\u62d3\u5c55\u4fc4\u7f57\u65af\u65b9\u5757\u3001\u8d2a\u5403\u86c7\u7b49\u5176\u4ed6\u56fe\u5f62\u5c0f\u6e38\u620f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001\u524d\u8a00\u5d4c\u5165\u5f0f Linux \u5f00\u53d1\u5e38\u63a5\u89e6 \/dev\/fb0 \u5e27\u7f13\u51b2\u8bbe\u5907，\u5f88\u591a\u521d\u5b66\u8005\u53ea\u61c2\u57fa\u7840\u753b\u70b9\u753b\u7ebf，\u4e0d\u77e5\u9053\u5982\u4f55\u642d\u5efa\u5b8c\u6574\u4ea4\u4e92\u5c0f\u6e38\u620f\u3002\u672c\u6587\u4e0d\u4f7f\u7528\u4efb\u4f55\u56fe\u5f62\u6846\u67b6（SDL\/GTK\/Qt），\u4ec5\u901a\u8fc7\u539f\u751f C\u3001Linux \u5e27\u7f13\u51b2\u63a5\u53e3\u5b9e\u73b0\u4e00\u5957\u5b8c\u6574\u4e94\u5b50\u68cb\u7a0b\u5e8f，\u5305\u542b\u68cb\u76d8\u7ed8\u5236\u3001WASD \u5149\u6807\u79fb\u52a8\u3001\u9ed1\u767d\u4ea4\u66ff\u843d\u5b50\u3001\u843d\u5b50\u540e\u56db\u5411\u80dc\u8d1f\u5224\u5b9a\u3001BMP \u80dc\u5229\u56fe\u7247\u5c55\u793a\u3001\u4e00\u952e\u91cd\u7f6e\u68cb\u76d8\u529f\u80fd\u3002 \u9879\u76ee\u8986\u76d6：\u5e27\u7f13\u51b2\u521d\u59cb\u5316\u3001\u57fa\u7840\u7ed8\u56fe\u5c01<\/p>\n","protected":false},"author":2,"featured_media":93515,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,248,44],"topic":[],"class_list":["post-93516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-248","tag-44"],"yoast_head":"\n
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<\/p>\n
\u4e09\u3001\u6838\u5fc3\u6a21\u5757<\/h2>\n1.Framebuffer\u5e95\u5c42\u56fe\u5f62\u5c01\u88c5\u539f\u7406<\/h3>\n
（1）\u5e27\u7f13\u51b2\u6838\u5fc3\u539f\u7406：\/dev\/fb0 \u662f\u5c4f\u5e55\u663e\u5b58\u62bd\u8c61，\u901a\u8fc7mmap\u5c06\u5185\u6838\u663e\u5b58\u6620\u5c04\u5230\u7528\u6237\u7a7a\u95f4，\u76f4\u63a5\u4fee\u6539\u5185\u5b58\u50cf\u7d20\u5b9e\u73b0\u7ed8\u56fe\u3002<\/p>\n
（2）\u5173\u952e\u51fd\u6570：<\/p>\n
- \n
- \n
init_fb()：\u6253\u5f00 fb \u8bbe\u5907\u3001ioctl \u83b7\u53d6\u5206\u8fa8\u7387\u3001\u5185\u5b58\u6620\u5c04\u663e\u5b58<\/p>\n<\/li>\n
- \n
draw_point()：\u57fa\u7840\u50cf\u7d20\u7ed8\u5236，\u533a\u5206 32 \u4f4d RGB888\/16 \u4f4d RGB565<\/p>\n<\/li>\n
- \n
\u76f4\u7ebf\u3001\u77e9\u5f62\u3001\u5706\u5f62\u3001\u6e05\u5c4f\u51fd\u6570\u57fa\u4e8edraw_point\u4e8c\u6b21\u5c01\u88c5<\/p>\n<\/li>\n
- \n
draw_bmp()：\u89e3\u6790 24 \u4f4d BMP \u6587\u4ef6\u5934，\u9010\u884c\u8bfb\u53d6\u50cf\u7d20\u7ed8\u5236\u5230\u5c4f\u5e55<\/p>\n<\/li>\n<\/ul>\n
#include <stdio.h>
\n#include <sys\/types.h>
\n#include <sys\/stat.h>
\n#include <fcntl.h>
\n#include <unistd.h>
\n#include <stdlib.h>
\n#include <sys\/ioctl.h>
\n#include <linux\/fb.h>
\n#include <sys\/mman.h>
\n#include <math.h>
\n#include "framebuffer.h"<\/p>\nvoid *pmem = NULL;
\nint fb;
\nstruct fb_var_screeninfo vinfo;<\/p>\nint fbx_g = 0;
\nint fby_g = 0;<\/p>\nint init_fb(char *devname)
\n{
\n \/\/1. \u6253\u5f00\u663e\u793a\u8bbe\u5907(\/dev\/fb0)
\n fb = open(devname, O_RDWR);
\n if (-1 == fb)
\n {
\n perror("open fb error");
\n return -1;
\n }<\/p>\n\/\/2. \u83b7\u53d6\u663e\u793a\u8bbe\u5907\u76f8\u5173\u53c2\u6570（\u5206\u8fa8\u7387，\u50cf\u7d20\u683c\u5f0f）<\/p>\n
int ret = ioctl(fb, FBIOGET_VSCREENINFO, &vinfo);
\n if (ret < 0)
\n {
\n perror("ioctl error");
\n return -1;
\n }<\/p>\nprintf("xres = %d, yres = %d\\\\n", vinfo.xres, vinfo.yres);
\n \/\/ printf("xres_virtual = %d, yres_virtual = %d\\\\n", vinfo.xres_virtual, vinfo.yres_virtual);
\n printf("bits_per_pixel = %d\\\\n", vinfo.bits_per_pixel);<\/p>\nfbx_g = vinfo.xres;
\nfby_g = vinfo.yres;<\/p>\n\/\/3. \u5efa\u7acb\u663e\u5b58\u7a7a\u95f4\u548c\u7528\u6237\u7a7a\u95f4\u7684\u5185\u5b58\u6620\u5c04
\n size_t len = vinfo.xres_virtual * vinfo.yres_virtual * vinfo.bits_per_pixel\/8;
\n pmem = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_SHARED, fb, 0);
\n if (pmem == MAP_FAILED)
\n {
\n perror("mmap error");
\n return -1;
\n }<\/p>\nreturn 0;
\n}<\/p>\nvoid draw_point(int x, int y, unsigned int col)
\n{
\n if (x >= vinfo.xres || y >= vinfo.yres)
\n {
\n return ;
\n }
\n if (vinfo.bits_per_pixel == RGB_FMT_888)
\n {
\n unsigned int *p = pmem;
\n *(p+vinfo.xres_virtual*y+x) = col;
\n }
\n else if (vinfo.bits_per_pixel == RGB_FMT_565)
\n {
\n unsigned short *p = pmem;
\n *(p+vinfo.xres_virtual*y+x) = col;
\n }
\n}<\/p>\nvoid draw_h_line(int x, int y, int len, unsigned int col)
\n{
\nfor (int i = x; i < x+len; ++i)
\n{
\ndraw_point(i, y, col);
\n}
\n}<\/p>\nvoid draw_s_line(int x, int y, int len, unsigned int col)
\n{
\nfor (int i = y; i < y+len; ++i)
\n{
\ndraw_point(x, i, col);
\n}
\n}<\/p>\nvoid draw_clear(unsigned int col)
\n{
\nfor (int i = 0; i < fby_g; ++i)
\n{
\ndraw_h_line(0, i, fbx_g, col);
\n}
\n}<\/p>\nvoid draw_full_rect(int x, int y, int w, int h, unsigned int col)
\n{
\nfor (int i = y; i < y+h; ++i)
\n{
\ndraw_h_line(x, i, w, col);
\n}
\n}<\/p>\nvoid draw_circle(int x0, int y0, int r, unsigned int col)
\n{
\nint x = 0, y = 0;
\nint r0 = 0;<\/p>\nfor (r0 = 0; r0 <= r; ++r0)
\n{
\nfor (float si = 0; si <= 360; si += 0.01)
\n{
\nx = x0 + r0 * cos(2*3.1416\/360 * si);
\ny = y0 + r0 * sin(2*3.1416\/360 * si);
\ndraw_point(x, y, col);
\n}
\n}
\n}<\/p>\n2.\u4e94\u5b50\u68cb\u68cb\u76d8\u5750\u6807\u4f53\u7cfb\u8bbe\u8ba1<\/h3>\n
（1）\u5b8f\u5b9a\u4e49\u7edf\u4e00\u7ba1\u7406\u68cb\u76d8\u53c2\u6570<\/p>\n
#define BROAD_X_START 125 \/\/ XY\u8d77\u70b9\u76f8\u7b49，\u68cb\u76d8\u6b63\u65b9\u5f62\u5c45\u4e2d
\n#define BROAD_Y_START 125
\n#define BROAD_X_CNT 15 \/\/ 15*15\u68cb\u76d8
\n#define BROAD_Y_CNT 15
\n#define BROAD_W_ONE 25 \/\/ \u5355\u683c\u50cf\u7d20\u5bbd\u5ea6<\/p>\n（2）\u7a0b\u5e8f\u4ee3\u7801<\/p>\n
#include "game.h"
\n#include "framebuffer.h"
\n#include <stdio.h><\/p>\n#define RED 0x00FF0000
\n#define GREEN 0x0000FF00
\n#define BLUE 0x000000FF
\n#define BLACK 0x00000000
\n#define WHITE 0x00FFFFFF
\n#define YELLOW 0x00FFFF00<\/p>\n\/\/\u68cb\u76d8\u6a2a\u5411\u8d77\u59cb\u4f4d\u7f6e\u7684\u504f\u79fb\u91cf
\n#define BROAD_X_START 125
\n\/\/\u68cb\u76d8\u7eb5\u5411\u8d77\u59cb\u4f4d\u7f6e\u7684\u504f\u79fb\u91cf
\n#define BROAD_Y_START 125<\/p>\n\/\/\u68cb\u76d8\u6a2a\u5411\u4f4d\u7f6e\u4e2a\u6570
\n#define BROAD_X_CNT 15
\n\/\/\u68cb\u76d8\u7eb5\u5411\u4f4d\u7f6e\u4e2a\u6570
\n#define BROAD_Y_CNT 15
\n\/\/\u68cb\u76d8\u5355\u4e2a\u683c\u5b50\u7684\u5bbd\u5ea6
\n#define BROAD_W_ONE 25<\/p>\n#define WHITE_CHESS 1
\n#define BLACK_CHESS -1<\/p>\n\/\/\u5f53\u524d\u5149\u6807\u6240\u5728\u7684\u4f4d\u7f6e
\nint posx_g = BROAD_X_START;
\nint posy_g = BROAD_Y_START;<\/p>\nint chess_g[BROAD_Y_CNT][BROAD_X_CNT] = {0};
\nint k_g = 1;<\/p>\nvoid show_chess_broad()
\n{
\ndraw_clear(0x00A07257);<\/p>\nfor (int i = 0; i < BROAD_Y_CNT; ++i)
\n{
\ndraw_h_line(BROAD_X_START, BROAD_Y_START+i*BROAD_W_ONE, (BROAD_X_CNT-1)*BROAD_W_ONE,0X00141414);
\n}<\/p>\nfor (int i = 0; i < BROAD_X_CNT; ++i)
\n{
\ndraw_s_line(BROAD_X_START+i*BROAD_W_ONE, BROAD_Y_START, (BROAD_Y_CNT-1)*BROAD_W_ONE, 0X00141414);
\n}<\/p>\ndraw_full_rect(posx_g-5, posy_g-5, 10, 10, RED);<\/p>\n
for (int i = 0; i < BROAD_Y_CNT; ++i)
\n{
\nfor (int j = 0; j < BROAD_X_CNT; ++j)
\n{
\nif (WHITE_CHESS == chess_g[i][j])
\n{
\ndraw_circle(i*BROAD_W_ONE+BROAD_Y_START, j*BROAD_W_ONE + BROAD_X_START,10, WHITE);
\n}
\nelse if (BLACK_CHESS == chess_g[i][j])
\n{
\ndraw_circle(i*BROAD_W_ONE+BROAD_Y_START, j*BROAD_W_ONE + BROAD_X_START,10, BLACK);
\n}
\n}
\n}<\/p>\n}<\/p>\n
3.\u4ea4\u4e92\u903b\u8f91\u5b9e\u73b0<\/h3>\n
- \n
- \n
\u5149\u6807\u79fb\u52a8：w\/a\/s\/d\u63a7\u5236，\u589e\u52a0\u8fb9\u754c\u5224\u65ad，\u5149\u6807\u65e0\u6cd5\u79fb\u51fa\u68cb\u76d8\u8303\u56f4<\/p>\n<\/li>\n
- \n
\u9ed1\u767d\u4ea4\u66ff\u843d\u5b50\u5b9e\u73b0\u91c7\u7528\u5168\u5c40\u8ba1\u6570\u53d8\u91cfk_g\u5947\u5076\u533a\u5206：<\/p>\n
- \n
- \n
\u521d\u59cbk_g=1，\u5947\u6570 = \u767d\u68cb，\u5076\u6570 = \u9ed1\u68cb<\/p>\n<\/li>\n
- \n
\u6bcf\u6b21\u843d\u5b50\u5b8c\u6210\u8ba1\u6570\u5668\u81ea\u589e，\u81ea\u52a8\u5207\u6362\u68cb\u624b<\/p>\n<\/li>\n
- \n
E \u952e\u91cd\u7f6e\u65f6\u8ba1\u6570\u5668\u5f52 1，\u6e05\u7a7a\u68cb\u76d8\u4e8c\u7ef4\u6570\u7ec4<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u843d\u5b50\u6570\u7ec4\u5b58\u50a8：chess_g[\u884c][\u5217]，1 \u4ee3\u8868\u767d\u68cb，-1 \u4ee3\u8868\u9ed1\u68cb<\/p>\n<\/li>\n<\/ul>\n
void begin_game()
\n{
\nchar choose = 0;<\/p>\nwhile (1)
\n{
\nchoose = getchar();
\nif ('w' == choose)
\n{
\nif (posy_g > BROAD_Y_START)
\n{
\nposy_g -= BROAD_W_ONE;
\n}
\n}
\nelse if ('a' == choose)
\n{
\n if(posx_g > BROAD_X_START)
\n {
\n posx_g -= BROAD_W_ONE;
\n }
\n}
\nelse if ('s' == choose)
\n{
\nif (posy_g < BROAD_Y_START + (BROAD_Y_CNT-1)*BROAD_W_ONE)
\n{
\nposy_g += BROAD_W_ONE;
\n}
\n}
\nelse if ('d' == choose)
\n{
\n if(posx_g < BROAD_X_START + (BROAD_X_CNT-1)*BROAD_W_ONE)
\n {
\n posx_g += BROAD_W_ONE;
\n }
\n}
\nelse if (' ' == choose)
\n{
\n if(0 == k_g % 2)
\n {
\n chess_g[(posx_g-BROAD_X_START)\/BROAD_W_ONE][(posy_g-BROAD_Y_START)\/BROAD_W_ONE] = -1;
\n ++k_g;<\/p>\n}
\n else if(0 != k_g % 2)
\n {
\n chess_g[(posx_g-BROAD_X_START)\/BROAD_W_ONE][(posy_g-BROAD_Y_START)\/BROAD_W_ONE] = 1;
\n ++k_g;
\n }
\n}
\n else if('e' == choose)
\n {
\n for(int i = 0 ; i < BROAD_X_CNT ; ++i)
\n {
\n int j = 0;
\n chess_g[i][j] = 0;
\n ++j;
\n }
\n draw_clear(0x00A07257);;
\n }
\nshow_chess_broad();
\n win_game();
\n}
\n}<\/p>\n4.\u4e94\u5b50\u68cb\u80dc\u8d1f\u5224\u5b9a\u7b97\u6cd5<\/h3>\n
- \n
- \n
\u5224\u5b9a\u89c4\u5219：\u6bcf\u4e2a\u65b9\u5411\u5411\u6b63\u53cd\u4e24\u4fa7\u904d\u5386，\u7edf\u8ba1\u8fde\u7eed\u540c\u8272\u68cb\u5b50，\u78b0\u5230\u8fb9\u754c \/ \u7a7a \/ \u5f02\u8272\u68cb\u5b50\u505c\u6b62，\u8fde\u7eed\u22655 \u5219\u5224\u5b9a\u80dc\u5229；win_game()\u51fd\u6570\u903b\u8f91，\u9ed1\u767d\u4e24\u5957\u5224\u5b9a\u5206\u652f，\u80dc\u5229\u540e\u7ed8\u5236\u5bf9\u5e94 BMP \u56fe\u7247\u3002<\/p>\n<\/li>\n<\/ul>\n
void win_game()
\n{
\n int x = (posx_g – BROAD_X_START)\/BROAD_W_ONE;
\n int y = (posy_g – BROAD_Y_START)\/BROAD_W_ONE;
\n int cnt = 1;
\n int dx = 0;
\n int dy = 0;<\/p>\ndx = x;
\n dy = y;<\/p>\nif(1 == chess_g[x][y])
\n {
\n while(1 == chess_g[x][y+1])
\n {
\n cnt = cnt + 1;
\n ++y;
\n }<\/p>\ny = dy;
\n while(1 == chess_g[x][y-1])
\n {
\n cnt = cnt + 1;
\n –y;
\n }<\/p>\nif(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }<\/p>\ny = dy;
\n cnt = 1;
\n while(1 == chess_g[x+1][y])
\n {
\n cnt = cnt + 1;
\n ++x;
\n }<\/p>\nx = dx;
\n while(1 == chess_g[x-1][y])
\n {
\n cnt = cnt + 1;
\n –x;
\n }<\/p>\nif(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }
\n x = dx;
\n cnt = 1;
\n while(1 == chess_g[x+1][y+1])
\n {
\n cnt = cnt +1;
\n ++x;
\n ++y;
\n }
\n x = dx;
\n y = dy;
\n while(1 == chess_g[x-1][y-1])
\n {
\n cnt = cnt +1;
\n –x;
\n –y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }
\n x= dx;
\n y= dy;
\n cnt = 1;
\n while(1 == chess_g[x+1][y-1])
\n {
\n cnt = cnt +1;
\n ++x;
\n –y;
\n }
\n x = dx;
\n y = dy;
\n while(1 == chess_g[x-1][y+1])
\n {
\n cnt = cnt +1;
\n –x;
\n ++y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p222.bmp");
\n return ;
\n }
\n x = dx;
\n y = dy;
\n cnt = 1;
\n }<\/p>\nif(-1 == chess_g[x][y])
\n {
\n while(-1 == chess_g[x][y+1])
\n {
\n cnt = cnt + 1;
\n ++y;
\n }<\/p>\ny = dy;
\n while(-1 == chess_g[x][y-1])
\n {
\n cnt = cnt + 1;
\n –y;
\n }<\/p>\nif(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }<\/p>\ny = dy;
\n cnt = 1;
\n while(-1 == chess_g[x+1][y])
\n {
\n cnt = cnt + 1;
\n ++x;
\n }<\/p>\nx = dx;
\n while(-1 == chess_g[x-1][y])
\n {
\n cnt = cnt + 1;
\n –x;
\n }<\/p>\nif(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }
\n x = dx;
\n cnt = 1;
\n while(-1 == chess_g[x+1][y+1])
\n {
\n cnt = cnt +1;
\n ++x;
\n ++y;
\n }
\n x = dx;
\n y = dy;
\n while(-1 == chess_g[x-1][y-1])
\n {
\n cnt = cnt +1;
\n –x;
\n –y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }
\n x= dx;
\n y= dy;
\n cnt = 1;
\n while(-1 == chess_g[x+1][y-1])
\n {
\n cnt = cnt +1;
\n ++x;
\n –y;
\n }
\n x = dx;
\n y = dy;
\n while(-1 == chess_g[x-1][y+1])
\n {
\n cnt = cnt +1;
\n –x;
\n ++y;
\n }
\n if(cnt >= 5)
\n {
\n draw_bmp(200,200,".\/p111.bmp");
\n return ;
\n }
\n x = dx;
\n y = dy;
\n cnt = 1;
\n }
\n}<\/p>\n5.\u4e3b\u7a0b\u5e8f<\/h3>\n
#include <stdio.h>
\n#include "framebuffer.h"
\n#include "game.h"<\/p>\nint main(void)
\n{
\ninit_fb("\/dev\/fb0");
\nshow_chess_broad();
\nbegin_game();<\/p>\nreturn 0;
\n}<\/p>\n6.Makefile\u7f16\u8bd1\u811a\u672c<\/h3>\n
OBJ = a.out
\nSRC = main.c game.c framebuffer.c
\nCC = gcc<\/p>\n$(OBJ):$(SRC)
\n$(CC) $^ -o $@ -lm<\/p>\nclean:
\nrm $(OBJ)<\/p>\n\u56db\u3001\u603b\u7ed3<\/h2>\n
\u00a0 \u00a0 \u00a0 \u00a0\u672c\u9879\u76ee\u4e0d\u4f9d\u8d56\u590d\u6742\u56fe\u5f62\u5e93，\u7eaf\u7cb9\u57fa\u4e8e Linux \u539f\u751f Framebuffer \u8bbe\u5907\u5b8c\u6210\u5c0f\u578b\u4ea4\u4e92\u6e38\u620f，\u8986\u76d6\u5d4c\u5165\u5f0f\u56fe\u5f62\u5f00\u53d1\u57fa\u7840\u6280\u80fd：\u663e\u5b58\u6620\u5c04\u3001\u50cf\u7d20\u7ed8\u56fe\u3001\u56fe\u7247\u89e3\u6790\u3001\u5c4f\u5e55\u5750\u6807\u7b97\u6cd5\u3001\u6e38\u620f\u4ea4\u4e92\u903b\u8f91\u3001\u4e94\u5b50\u68cb\u6838\u5fc3\u7b97\u6cd5\u3002\u9002\u5408 Linux \u5d4c\u5165\u5f0f\u5165\u95e8\u8005\u7ec3\u4e60，\u6587\u4e2d\u8bb0\u5f55\u7684\u5750\u6807\u9519\u4f4d\u3001\u80dc\u8d1f\u5224\u5b9a\u3001\u68cb\u624b\u8f6e\u6362\u7b49\u8e29\u5751\u70b9，\u80fd\u89e3\u51b3\u5927\u90e8\u5206\u521d\u5b66\u8005\u5f00\u53d1\u540c\u7c7b\u5c0f\u6e38\u620f\u65f6\u9047\u5230\u7684\u5171\u6027\u95ee\u9898，\u4ee3\u7801\u6a21\u5757\u5316\u62c6\u5206\u6e05\u6670，\u53ef\u5728\u6b64\u57fa\u7840\u4e0a\u62d3\u5c55\u4fc4\u7f57\u65af\u65b9\u5757\u3001\u8d2a\u5403\u86c7\u7b49\u5176\u4ed6\u56fe\u5f62\u5c0f\u6e38\u620f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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