DSP6713-USB 1.0 传输协议 Uint32 USBTimeOut = 0x0400; BOOL ReadFlag; static Uint8 setupCnt = 0; static BOOL setupDat = False; /* global variables */ Uint8 irqValue; /* interrupt register value */ Uint8 SetupBuff[8]; /* setup transaction buffer */ BOOL sx2Ready; /* status byte for POST */ BOOL sx