This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

失误,没有将采集芯片的外同步信号接到8168的vip口上。



前端采集芯片是gv7601,输出8/10位的 bt1120格式的内嵌同步信号,同时也输出外同步信号。

搜了论坛帖子之后dm8168不支持8位输入的内同步bt1120,只能是bt656的形式

详情看:

www.deyisupport.com/.../52776.aspx

www.deyisupport.com/.../87063.aspx

e2e.ti.com/.../208780

然后我改了cap link的配置参数从SYSTEM_CAPT_VIDEO_CAPTURE_MODE_SINGLE_CH_NON_MUX_DISCRETE_SYNC_ACTVID_VSYNC,改成下面

pCaptureInstPrm->videoCaptureMode   = SYSTEM_CAPT_VIDEO_CAPTURE_MODE_SINGLE_CH_NON_MUX_EMBEDDED_SYNC;

结果真的不行(测试的这块板子有接外同步,画的那块没有)

请问还有救么....