/* panel driver name, must mach the lcd_drv_name in board.dts */ .name = "default_lcd", .func = { .cfg_panel_info = LCD_cfg_panel_info, .cfg_open_flow = LCD_open_flow, .cfg_close_flow = LCD_close_flow, } , }; 该全局变量default_panel的成员name与lcd_driver_name必须一致,这...
static void LCD_cfg_panel_info(struct panel_extend_para *info) { u32 i = 0, j = 0; u32 items; u8 lcd_gamma_tbl[][2] = { /* {input value, corrected value} */ {0, 0}, {15, 15}, {30, 30}, {45, 45}, {60, 60}, {75, 75}, {90, 90}, {105, 105}, {120, 1...
.cfg_panel_info = LCD_cfg_panel_info, .cfg_open_flow = LCD_open_flow, .cfg_close_flow = LCD_close_flow, } ,}; 该全局变量default_panel的成员name与lcd_driver_name必须一致,这个关系到驱动能否找到指定的文件。 接下来是func成员的初始化,这里最主要实现三个回调函数。LCD_cfg_panel_info,LCD_op...
我们可以打开drivers/video/fbdev/sunxi/disp2/disp/lcd/default_panel.c作为屏驱动的例子,在该文件的最后 代码语言:javascript 复制 struct __lcd_panel default_panel = { /* panel driver name, must mach the lcd_drv_name in board.dts */ .name = "default_lcd", .func = { .cfg_panel_info = ...
1) LCD_cfg_panel_info 函数功能:配置屏的基本参数。示例:static void LCD_cfg_panel_info(__panel...
接下来是func成员的初始化,这里最主要实现三个回调函数。LCD_cfg_panel_info,LCD_open_flow和LCD_close_flow。 开关屏流程即屏上下电流程,屏手册或者driver IC 手册中里面的Power on Sequence 和Power off Sequence。 开关屏的操作流程如下图所示。 其中,LCD_open_flow 和LCD_close_flow 称为开关屏流程函数, ...
全志平台lcd调试说明文档v.0 全志平台LCD调试说明文档 A L L W I N N E R T E C H
具体设置需参照CPU文档中LCD控制器部分或显示芯片的硬件手册,我的是cpu是s3c2440,屏是三星横屏—LTV350QV-F04(带触摸屏),分辨率是320*240. 该液晶模块的显示格式为320(×3)×240。即显示屏每行具有320个像素点,共240行;每个像素点由RGB(红、绿、蓝)三种颜色组成。
.cfg_panel_info = LCD_cfg_panel_info,.cfg_open_flow = LCD_open_flow,.cfg_close_flow = LCD...
11、nd delay 500ms return 0; /屏驱动的接口 _lcd_panel_t default_panel = /* panel driver name, must mach lcd_drv_name in sys_config.fex */ .name = default_lcd, .func = .cfg_panel_info = LCD_cfg_panel_info, .cfg_open_flow = LCD_open_flow, .cfg_close_flow = LCD_close_flow...