TI中文支持网我用了BSP_WINCE_ARM_A8_02_30_00 on AM335x 作为BSP 搭建 wince 7.0
现在我用了16位的TFT屏，系统起来后，图像都是正常的，但是颜色不正..
这是我屏的连接原理图
时序配置的代码.
struct lcd_panel panel_tfc = {
LCDC_PANEL_TFT | LCDC_INV_VSYNC | LCDC_INV_HSYNC |
LCDC_HSVS_CONTROL, // config
/* modify by jio @ Feb 19, 2013,9:56:43 */
//DISPC_PIXELFORMAT_ARGB32, // bpp
DISPC_PIXELFORMAT_ARGB16,
800, // x_res 600, // y_res
42000000, // pixel_clock
38, // hsw 210, // hfp
46, // hbp
6, // vsw
12, // vfb
23, // vbp
0, // acb (????) 0, // mono_8bit_mode
0, // tft_alt_mode
/* modify by jio @ Feb 19, 2013,9:56:21 */
COLOR_ACTIVE, //panel_shade
LCDC_panel_TFC_init // init
};
注册表配置
[HKEY_LOCAL_MACHINE\SYSTEM\GWE]
; "PORepaint"=dword:0 – the display driver handles everything
; "PORepaint"=dword:1 – gwe should save and restore the bits
; "PORepaint"=dword:2 – gwe should invalidate and repaint
; "PORepaint"=dword:3 – gwe and driver need to save video memory
;
"PORepaint"=dword:0
[HKEY_LOCAL_MACHINE\System\GDI\Drivers]
"IRQ"=dword:24
"Display"="am33x_display"
; 0 for flat surface manager, 1 for VRFB surface manager
; Note only flat surface manager is supported
"SurfaceMgr" = dword:0
; sets initial screen rotation
; use 0 for 0 degree, 1 for 90 degree, 2 for 180 degree and 4 for 270 degree
; Note: Rotation should not be used with the flat frame buffer, memory/bus bandwidth may
; be exceeded by display scanning requirements causing display to flicker and/or lock up.
"Angle" = dword:0
"PowerFlags"=dword:00000103 ; send pre/post device state changes
"membase"=multi_sz:"48050000","48306B00"
"memlen"=multi_sz:"00000100","00000100"
; controls software based mouse cursor emulation, 0 = disable, 1 = enable
; Note that OS configuration must include mouse cursor support (sysgen_cursor).
; Note that display performance will be reduced when cursor support is enabled.
; Note that cursor support has not been tested with direct draw, overlays or rotation.
; @CESYSGEN IF GWES_MCURSOR
"Cursor"=dword:1
; @CESYSGEN ENDIF GWES_MCURSOR
; Set to 1 to enable wait for vertical blank support
"EnableWaitForVerticalBlank"=dword:1
"EnableNeonBlts"=dword:1
"EnableDMABlts"=dword:1
"EnableOverlay"=dword:0 "HardwareRotation"=dword:0 "DMAFill"=dword:0
; Revert logic in common.reg that turns display off during SystemIdle.
; PMCLASS_DISPLAY_GUID
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\State\SystemIdle\{EB91C7C9-8BF6-4a2d-9AB8-69724EED97D1}]
"Default"=dword:2 ; D2
; Not supported
;[HKEY_LOCAL_MACHINE\System\GDI\ROTATION]
; ; rotates screen – use 0 for 0 degree 5a for 90 degree, b4 for 180 degree and 10e for 270 degree
; "Angle"=dword:0
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MediaPlayer\Preferences]
"RenderMethod"=dword:2
[HKEY_LOCAL_MACHINE\Software\Microsoft\DirectX\DirectShow\VMR]
"RenderingPrefs"=dword:8
; Bits per pixel setting for compositor backbuffers
[HKEY_LOCAL_MACHINE\SYSTEM\GWE\Compositor]
"OpaqueBufferBPP" = dword:10
求助…
Jian Zhou：
一般颜色不正，都是数据线接的有问题。
请按照下图再仔细检查下
Yujiang Zheng：
图片上看，颜色是正常的。
所以数据线的线序应该没有问题。
估计是时钟的极性不对，导致偶尔数据采样有偏差。
Jian Zhou：
回复 Yujiang Zheng:
改过时钟极性以后颜色就正确了？
