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annotate TaskManager/Test/test_render/fb.h @ 224:ebfb9e389716
SceneGraph.cpp xmlcreate
| author | tkaito@nw0534.st.ie.u-ryukyu.ac.jp |
|---|---|
| date | Tue, 10 Feb 2009 20:45:51 +0900 |
| parents | efb1df3176f4 |
| children | 58fd16298954 |
| rev | line source |
|---|---|
| 109 | 1 #if defined(__linux__) |
| 2 #include <unistd.h> | |
| 3 #include <stdio.h> | |
| 4 #include <fcntl.h> | |
| 5 #include <linux/fb.h> | |
| 6 #include <linux/fs.h> | |
| 7 #include <sys/mman.h> | |
| 8 #include <sys/ioctl.h> | |
| 9 #include <stdlib.h> | |
| 10 #include <iostream> | |
| 11 using namespace std; | |
| 12 | |
| 13 #define DEVICE_NAME "/dev/fb0" | |
| 14 #define DIV_BYTE 8 | |
| 15 | |
| 16 /* function prototype */ | |
|
180
5cde66c926b4
いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
gongo@localhost.localdomain
parents:
109
diff
changeset
|
17 void send_current_error_msg(const char *ptr); |
|
5cde66c926b4
いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
gongo@localhost.localdomain
parents:
109
diff
changeset
|
18 void send_current_information(const char *ptr); |
| 109 | 19 |
| 20 int get_fbdev_addr(void) | |
| 21 { | |
| 22 int fd_framebuffer ; | |
| 23 struct fb_var_screeninfo vinfo; | |
| 24 struct fb_fix_screeninfo finfo; | |
| 25 long int screensize ; | |
| 26 //long int location; | |
| 27 char *fbptr ; | |
| 28 char tmp[DIV_BYTE*10]; | |
| 29 | |
| 30 //int x , y ; | |
| 31 int xres,yres,vbpp,line_len; | |
| 32 //unsigned short tcolor ; | |
| 33 | |
| 34 /* ɤ߽Ѥ˥ե */ | |
| 35 fd_framebuffer = open( DEVICE_NAME , O_RDWR); | |
| 36 if ( !fd_framebuffer ) { | |
|
180
5cde66c926b4
いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
gongo@localhost.localdomain
parents:
109
diff
changeset
|
37 send_current_error_msg("Framebuffer device open error !"); |
|
5cde66c926b4
いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
gongo@localhost.localdomain
parents:
109
diff
changeset
|
38 exit(1); |
| 109 | 39 } |
| 40 send_current_information("The framebuffer device was opened !"); | |
|
180
5cde66c926b4
いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
gongo@localhost.localdomain
parents:
109
diff
changeset
|
41 |
| 109 | 42 /* ꥹ */ |
| 43 if ( ioctl( fd_framebuffer , FBIOGET_FSCREENINFO , &finfo ) ) { | |
|
180
5cde66c926b4
いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
gongo@localhost.localdomain
parents:
109
diff
changeset
|
44 send_current_error_msg("Fixed information not gotton !"); |
|
5cde66c926b4
いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
gongo@localhost.localdomain
parents:
109
diff
changeset
|
45 exit(2); |
| 109 | 46 } |
| 47 | |
| 48 /* ư */ | |
| 49 if ( ioctl( fd_framebuffer , FBIOGET_VSCREENINFO , &vinfo ) ) { | |
| 50 send_current_error_msg("Variable information not gotton !"); | |
| 51 exit(3); | |
| 52 } | |
| 53 xres = vinfo.xres ; | |
| 54 yres = vinfo.yres ; | |
| 55 vbpp = vinfo.bits_per_pixel ; | |
| 56 line_len = finfo.line_length ; | |
| 57 sprintf( tmp , "%d(pixel)x%d(line), %dbpp(bits per pixel)",xres,yres,vbpp); | |
| 58 send_current_information( tmp ); | |
| 59 | |
| 60 /* Хñ̤ǤΥΥ */ | |
| 61 screensize = xres * yres * vbpp / DIV_BYTE ; | |
| 62 | |
| 63 /* ǥХ˥ޥåפ */ | |
| 64 fbptr = (char *)mmap(0,screensize,PROT_READ | PROT_WRITE,MAP_SHARED,fd_framebuffer,0); | |
| 65 if ( (int)fbptr == -1 ) { | |
| 66 send_current_error_msg("Don't get framebuffer device to memory !"); | |
| 67 exit(4); | |
| 68 } | |
| 69 send_current_information("The framebuffer device was mapped !"); | |
| 70 | |
| 71 printf("fb: 0x%x \n", (unsigned int)fbptr); | |
| 72 return (int)fbptr; | |
| 73 //munmap(fbptr,screensize); | |
| 74 //close(fd_framebuffer); | |
| 75 //return 0; | |
| 76 } | |
| 77 | |
|
180
5cde66c926b4
いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
gongo@localhost.localdomain
parents:
109
diff
changeset
|
78 void send_current_error_msg(const char *ptr) |
| 109 | 79 { |
|
180
5cde66c926b4
いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
gongo@localhost.localdomain
parents:
109
diff
changeset
|
80 fprintf( stderr , "%s\n" , ptr ); |
| 109 | 81 } |
| 82 | |
|
180
5cde66c926b4
いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
gongo@localhost.localdomain
parents:
109
diff
changeset
|
83 void send_current_information(const char *ptr) |
| 109 | 84 { |
|
180
5cde66c926b4
いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
gongo@localhost.localdomain
parents:
109
diff
changeset
|
85 fprintf( stdout , "%s\n" , ptr ); |
| 109 | 86 } |
| 87 #else /* !defined(__linux__) */ | |
| 88 int get_fbdev_addr(void) {return 0;} | |
| 89 #endif /* defined(__linux__) */ | |
| 90 | |
| 91 extern int get_fbdev_addr(void); |