H375做HST的程序.doc

：佚名 CH375 做 HOST 的程序(C51) CH375 做 HOST 的程序(C51) 文章来源：魅 点击数: 6-5-9 !收獅匕页 更新时间：200 共享某网友CH375做HOST的程序，暂时可以和slaver通讯 / ^9^ ^9^ ^9^ ^9^ ^9^ ^9^ ^9^ ^9^ ^9^ kL* ! ** USB 1. 1 Host for CH375 ** **单片机用89C51 ** viz six six six six six six six ^lz / ^|S 4、4、4、4、4、4、4、4、4、Z|% Z|% Z|% Z|% Z|% ^T / /*如果设备端不是CH37X,那么分析描述符吟 /* CH375中断为查询方式V ^include string. h #include〈stdio. h ^include intrins. h ^include reg51. h ttinclude CH375TNC. H ^define DELAY_START_value 1 A根据单片机的时钟选择延时初值*/ ^define UNKNOWX_USBJ)EVICE OxFl tfdefine USB INT RET NAK 0x2A /*,返回 NAK */ ’ typcdcf struct _USB_DEVICE_DESCRIPTOR { unsigned char bLength; unsigned char bDescriptorType; unsigned short bcdUSB; unsigned char bDeviceClass; unsigned char bDcviccSubClass; unsigned char bDeviceProtocol; unsigned char bMaxPacketSizeO; unsigned short idVendor; unsigned short idProduct; unsigned short bcdDcvice; unsigned char iManufacturer; unsigned char unsigned char unsigned char } USB DEV DESCR, iProduct; iSerialNumber; bNumConfigurations; *PUSB DEV DESCR; typedef struct _USB_CONFIG_DESCRIPTOR { unsigned char bLength; unsigned char bDescriptorType; unsigned short wTotalLength; unsigned unsigned unsigned unsigned unsigned char } USB CFG DESCR, char bNumlnterfaces; char bConfigurationvalue; char iConfiguration; char bmAttributes; MaxPower; *PUSB CFG DESCR; typedef struct _USB_TNTRRF_DRSCRTPTOR { unsigned char bLcngth; unsigned char bDescriptorType; unsigned unsigned unsigned unsigned char blnterfaceNumber; char bAlternateSetting; char bNumEndpoints; char blntcrfaccClass; unsigned char blnterfaceSubClass; unsigned char blnterfaceProtocol; unsigned char ilnterface; } USB ITF DESCR, *PUSB ITF DESCR; typedef stri unsigned unsigned unsigned unsigned unsigned ct _USB_ENDPOINT_DESCRIPTOR char bLength; char bDescriptorType; char bEndpointAddress; char bmAttributes; short wMaxPacketSize; unsigned char blnterval; } USB EXDP DESCR, *PUSB ENDP DESCR; typedef struct _USB_CONFIG_DESCRIPTOR_LONG { USB_CFG_DESCR cfg_descr; USB—ITF