请教关于cubieboard2驱动7寸LCD电容屏(分辨率为1024*600)
目前基于cubieboard2 开发板调试7寸lcd电容屏(分辨率1024*600),SDK使用官网上内核版本为linux3.4,android 版本为4.2.根据全志LCD模块开发文档,配置LCD接口为Parallel RGB模式。LCD时序参考LCD屏datasheet。硬件电路供电正常,具体sys.config.fex如下:;-------------------------------------------------------------------------------
lcd_used = 1
lcd_x = 1024
lcd_y = 600
lcd_width = 0
lcd_height = 0
lcd_dclk_freq = 51
lcd_pwm_not_used = 0
lcd_pwm_ch = 0
lcd_pwm_freq = 10000
lcd_pwm_pol = 1
lcd_if = 0
lcd_hbp = 158
lcd_ht = 1344
lcd_vbp = 25
lcd_vt = 1270
lcd_vspw = 3
lcd_hspw = 20
lcd_hv_if = 0
lcd_hv_smode = 0
lcd_hv_s888_if = 0
lcd_hv_syuv_if = 0
lcd_lvds_ch = 0
lcd_lvds_mode = 0
lcd_lvds_bitwidth = 0
lcd_lvds_io_cross = 0
lcd_cpu_if = 0
lcd_frm = 1
lcd_io_cfg0 = 0x00000000
lcd_gamma_correction_en = 0
lcd_gamma_tbl_0 = 0x00000000
lcd_gamma_tbl_1 = 0x00010101
lcd_gamma_tbl_255 = 0x00ffffff
lcd_bl_en_used = 1
lcd_bl_en = port:PH02<1><0><default><1>
黑屏,有背光,请问是什么问题?
可以吧datasheet中几个重要参数贴出来看看吗? 可以参考这里第三张附件图
http://www.cubie.cc/forum.php?mo ... 1685&highlight=lvds
页:
[1]