usbep0writepacket.c

爱特梅尔的mp3解码模块源代码之5

#ifndef _USB_DEFINE
 #include "USB.c"
#endif

void USBEP0WritePacket(void)
{
	register BYTE i;

	UEPNUM=0x00;
	SET_BIT_7(UEPSTAX);						//设置DIR
	for(i=0;i<USBEP0Buffer.OutLength;i++)
	{
		UEPDATX=USBEP0Buffer.Out[i];
//		printf("%02bx ",USBEP0Buffer.Out[i]);
	}
//	printf("\n");
	SET_BIT_4(UEPSTAX);						//设置TXRDY
	while(!( UEPSTAX & 0x01 ));				//等待TXCMP
	CLEAR_BIT_0(UEPSTAX);					//清除TXCMP
}