初始化部分，加上CDC 回调，
9 S% r4 P5 W. H: u; q7 a2 Q$ h主要在枚举不通过，CH340是0XFF的类，标准的是CDC 类为0x02,然后就是修改
. X- x4 [$ e/ ?4 ]! w+ h5 P#define  CH340X_CLASS   0xff
% d2 c% Z' k) r3 ], K if((pphost->device_prop.Itf_Desc[0].bInterfaceClass  == CH340X_CLASS)&& \
                        (pphost->device_prop.Itf_Desc[0].bInterfaceSubClass  == 0x01) && \
8 b' Q% T0 s1 o  B: o1 e: H+ B- N      (pphost->device_prop.Itf_Desc[0].bInterfaceProtocol == 0x02)){
               
7 F$ }5 p9 w& h6 K" d. z                                ret = 0x02;
            /*Collect the notification endpoint address and length*/
9 z6 m+ d4 L/ Y! T    CDC_Machine.CDC_CommItf.ep_addr = pphost->device_prop.Ep_Desc[0][2].bEndpointAddress;
9 Y& t! {. a% B4 L( o% X6 h* {0 I    CDC_Machine.CDC_CommItf.length  = pphost->device_prop.Ep_Desc[0][2].wMaxPacketSize;
9 l, @' r' n( S* v0 i# b
* X0 v$ E; Y+ Q    if(pphost->device_prop.Ep_Desc[0][2].bEndpointAddress & 0x80)
. o' H. i$ J( y- \% t9 D& V    {
. P3 u- O8 ]& w( H: N0 p      CDC_Machine.CDC_CommItf.notificationEp =\
, v: }# p, l5 ]0 k        (pphost->device_prop.Ep_Desc[0][2].bEndpointAddress);
- t, Y) b* y# C. r# @- j    }

謝謝樓主的分享,辛苦了.

没怎么明白，不过还是谢谢