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#     ¾®ºÅ    
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 #define P_EP(n) ((USB_EP_EVENT & (1 << (n))) ? USB_EndPoint##n : NULL)
/* USB Endpoint Events Callback Pointers */
void (* const USB_P_EP[16]) (U32 event) = {
P_EP(0),
P_EP(1),
P_EP(2),
P_EP(3),
P_EP(4),
P_EP(5),
P_EP(6),
P_EP(7),
P_EP(8),
P_EP(9),
P_EP(10),
P_EP(11),
P_EP(12),
P_EP(13),
P_EP(14),
P_EP(15),
};
/*
* USB Endpoint 1 Event Callback
* Called automatically on USB Endpoint 1 Event
* Parameter: event
*/
void USB_EndPoint1 (U32 event) {
}
/*
* USB Endpoint 2 Event Callback
* Called automatically on USB Endpoint 2 Event
* Parameter: event
*/
void USB_EndPoint2 (U32 event) {
switch (event) {
case USB_EVT_OUT:
MSC_BulkOut();
break;
case USB_EVT_IN:
MSC_BulkIn();
break;
}
}
ÆäÖеÄÕâ¾ä»° USB_EndPoint##n  £¬ ¸Õ¿ªÊ¼Ã»¿´¶®£¬ºóÀ´¿´¶®ÁË
±È·½ËµNÊÇ1µÄ»°£¬ÄÇôUSB_EndPoint##n¼´±íʾº¯ÊýUSB_EndPoint1¡£
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int *p; ¡¡¡¡¡¡ pΪָÏòÕûÐÍÁ¿µÄÖ¸Õë±äÁ¿
int *p[n]; ¡¡¡¡pΪָÕëÊý×飬ÓÉn¸öÖ¸ÏòÕûÐÍÁ¿µÄÖ¸ÕëÔªËØ×é³É¡£
int (*p)[n]; ¡¡pΪָÏòÕûÐͶþάÊý×éµÄÖ¸Õë±äÁ¿£¬¶þάÊý×éµÄÁÐÊýΪn
int *p() ¡¡¡¡¡¡pΪ·µ»ØÖ¸ÕëÖµµÄº¯Êý£¬¸ÃÖ¸ÕëÖ¸ÏòÕûÐÍÁ¿
int (*p)() ¡¡¡¡pΪָÏòº¯ÊýµÄÖ¸Õ룬¸Ãº¯Êý·µ»ØÕûÐÍÁ¿
int


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