10#else11.lcdcon5 =LCD_CON5,12#endif1314.type =S3C2410_LCDCON1_TFT,1516.width =LCD_WIDTH,17.height =LCD_HEIGHT,1819.pixclock =LCD_PIXCLOCK,20.xres =LCD_WIDTH,21.yres =LCD_HEIGHT,22.bpp =16,23.left_margin = LCD_
如果产品需要去掉光标,只需要修改VT代码,将VT的vc->vc_cursor_type = CUR_DEFAULT修改为vc->vc_cursor_type=CUR_NONE即可, 默认的光标即为不显示状态。 现象的本质与内核电源管理编译选项无关,总的解决方法:在用户空间代码里添加 /*disable console. avoid console blank automatically*/system("echo -e \"\03...
void jz2440_lcd_pin_init(void) { /* 初始化引脚 : 背光引脚*/ GPBCON &= ~0x3; GPBCON |= 0x01; /* 初始化引脚 : LCD专用引脚*/ GPCCON = 0xaaaaaaaa; GPDCON = 0xaaaaaaaa; /* PWREN */ GPGCON |= (3<<8); } LCDCON1 代码语言:javascript 代码运行次数:0 运行 AI代码解释 /* [...
*/ 105. int fb_mode_is_equal(const struct fb_videomode *mode1, 106. const struct fb_videomode *mode2) 107. { 108. return (mode1->xres == mode2->xres && 109. mode1->yres == mode2->yres && 110. mode1->pixclock == mode2->pixclock && 111. mode1->hsync_len == mode2-...
里面有一句类似这样写的 __raw_writel(fbi->reg.lcdcon1 & ~S3C2410_LCDCON1_ENVID, S3C2410_LCDCON1);,把这句话删掉LCD就不会关掉了。这是第一个层次,我也看到有人是这样做的。但是,这有问题,按键盘恢复后,原本显 示在屏幕上的东西如果你不重画会消失,就算你重画了,也会看到屏幕的某些部分先黑了下...
mainputs"hello,world.n";puts函数向缺省输出文件/dev/tty1发出写的系统调用write2。系统调用到linux核心里面对应的核心函数是console.c中的con_w rite,con_write最终会调用do_con_write。在do_con_write中负责把"hello,world.n"这个字符串放到tty1对应的缓冲区中去。do_con_write还负责处理控制字符和光标的...
con2fb.framebuffer = -1; event.data = &con2fb; if (!lock_fb_info(info)) return -ENODEV; event.info = info; fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, &event); unlock_fb_info(info); ret = copy_to_user(argp, &con2fb, sizeof(con2fb)) ? -EFAULT : 0; ...
<key>framebuffer-con0-type</key> <data>AAgAAA==</data> <key>framebuffer-con1-busid</key> <data>BQAAAA==</data> <key>framebuffer-con1-enable</key> <data>AQAAAA==</data> <key>framebuffer-con1-flags</key> <data>xwMAAA==</data> <key>framebuffer-con1-index</...
__u32 type_aux;/* Interleave for interleaved Planes */ __u32 visual;/* see FB_VISUAL_* */ __u16 xpanstep;/* zero if no hardware panning */ __u16 ypanstep;/* zero if no hardware panning */ __u16 ywrapstep;/* zero if no hardware ywrap */ ...
linux下LCD(framebuffer)驱动分析