utils/rk27utils/rk27load/rk27load.h

#define USB_TIMEOUT     512

#define VENDORID        0x71b
#define PRODUCTID       0x3201

#define USB_EP0         0x41

#define VCMD_UPLOAD             0x0c
#define VCMD_INDEX_STAGE1       0x471
#define VCMD_INDEX_STAGE2       0x472