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t FIFO端点0-3状态： EP2CFG、EP4CFG、EP6CFG、EP8CFG(只用到EP2CFG，选择512B/1024B，输入)
EP1OUTCFG = 0xA0; // default values(Page 346)
SYNCDELAY;
EP1INCFG = 0xA0; // default values(Page 346)
SYNCDELAY;
EP2CFG = 0xE0; // enabled, quad buffered, 512B, IN, bulk fifo, 4 buffer(Page 347)
// EP2CFG = 0xE8; // enabled, quad buffered, 1024B, IN, bulk fifo， 4 buffer
SYNCDELAY;
EP4CFG = 0x60; // disabled...
SYNCDELAY;
EP6CFG = 0x60; // disabled...
SYNCDELAY;
EP8CFG = 0x60; // disabled...
SYNCDELAY;
//--------------------------------------------------------
//Configure the EPxFIFOCFG(Page 349)
EP2FIFOCFG = 0x08; // autoin, 8 Bit Wide
// EP2FIFOCFG = 0x09; // autoin, 16 Bit Wide
SYNCDELAY;
EP4FIFOCFG = 0x00; // no-autoOUT, bytewide
SYNCDELAY;
EP6FIFOCFG = 0x00; // no-autoOUT, bytewide
SYNCDELAY;
EP8FIFOCFG = 0x00; // no-autoOUT, bytewide
SYNCDELAY;
//--------------------------------------------------------
//Configure PIN Polarity
PORTACFG |= 0x40; //IFCOG[1:0] = 11(Slave FIFO Mode), Set PORTACFG[6] to USE PA7-SLCS (Page 375)
SYNCDELAY;
FIFOPINPOLAR = 0x04; //BIT[5:0] = {PKTEND, SLOE, SLRD, SLWR, EMPTY, FULL}
//Set SLWR High Valid; PKTEND，SLOE，SLRD EMPTY, FULL Low Active(Page 342)
SYNCDELAY;
//--------------------------------------------------------
//设置为Autoin时的自动传输包大小(Page 351)
SYNCDELAY;
EP2AUTOINLENH = 0x02; // EZ-USB automatically commits data in 512-byte chunks
// EP2AUTOINLENH = 0x04; // EZ-USB automatically commits data in 1024-byte chunks
SYNCDELAY;
EP2AUTOINLENL = 0x00;
SYNCDELAY;
//Set Autopointer, enable dual autopointer(Page 328)
AUTOPTRSETUP |= 0x01;
//FLAGA - User-Programmable Level; FLAGB - FIFO Full, FLAGC - FIFO Empty: (L: Valid)(Page 338)
PINFLAGSAB = 0x00;//0x8a;
SYNCDELAY;
PINFLAGSCD = 0x00;//0x08;
SYNCDELAY;
//复位FIFO,先复位端点，再清空端点(Page 340)
SYNCDELAY;
FIFORESET = 0x80;// activate NAK-ALL to avoid race conditions
SYNCDELAY;
FIFORESET = 0x02;// reset, FIFO 2
SYNCDELAY;
FIFORESET = 0x04;// reset, FIFO 4
SYNCDELAY;
FIFORESET = 0x06;// reset, FIFO 6
SYNCDELAY;
FIFORESET = 0x08;// reset, FIFO 8
SYNCDELAY;
FIFORESET = 0x00;// deactivate NAK-AL
SYNCDELAY;
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