AnsweredAssumed Answered

imx6sl epdc eink uboot change resolution1872x1404 show blank screen

Question asked by talent liu on Nov 20, 2017

您好, 

        uboot epdc logo change resolution1872x1404 show blank screen, uboot configured as:

 

#define CONFIG_SPLASH_IMG_OFFSET 16384  /*0x800000  */

#define CONFIG_SPLASH_IMG_SIZE 0x200000/*0x19000*/

 

vidinfo_t panel_info = {

.vl_refresh = 85,

.vl_col = 1872,

.vl_row = 1404,

.vl_pixclock = 140000000,

.vl_left_margin = 32,

.vl_right_margin = 313,

.vl_upper_margin = 4,

.vl_lower_margin = 12,

.vl_hsync = 44,

.vl_vsync = 1,

.vl_sync = 0,

.vl_mode = 0,

.vl_flag = 0,

.vl_bpix = 3,

//.vl_bpix = 4,

//.cmap = 0,

//.cmap : (void *)lcd_cmap,

.cmap =(void *)lcd_cmap,

};

struct epdc_timing_params panel_timings = {

.vscan_holdoff = 4,

.sdoed_width = 10,

.sdoed_delay = 20,

.sdoez_width = 10,

.sdoez_delay = 20,

.gdclk_hp_offs = 1032,

.gdsp_offs = 755,

.gdoe_offs = 0,

.gdclk_offs = 91,

.num_ce = 1,

};

 

CPU:  MCIMX6L8DVN10AB

DRAM: LPDDR2 512MB

EPD: Eink carta ED068TG1 1872x1404

 

Please help me to solve change resolution1872x1404 show blank screen.

Outcomes