varint.h

运行于c51单片机上的用keil c创建的C源程序,采用PDIUSBD12接口。

extern unsigned short D12_ReadInterruptRegister(void);
extern unsigned char D12_ReadLastTransactionStatus(unsigned char bEndp);
extern unsigned char D12_ReadEndpoint(unsigned char endp, unsigned char len, unsigned char * buf);
extern void D12_SetEndpointStatus(unsigned char bEndp, unsigned char bStalled);
extern void D12_AcknowledgeEndpoint(unsigned char endp);
extern unsigned char D12_WriteEndpoint(unsigned char endp, unsigned char len, unsigned char * buf);

extern void D12_SetAddressEnable(unsigned char bAddress, unsigned char bEnable);
extern void D12_SetEndpointEnable(unsigned char bEnable);
extern unsigned char D12_SelectEndpoint(unsigned char bEndp);


extern void single_transmit(unsigned char * buf, unsigned char len);

void bus_reset(void);
void dma_eot(void);
void supend_change(void);
void ep0_txdone(void);
void ep1_txdone(void);
void ep2_txdone(void);
void ep0_rxdone(void);
void ep1_rxdone(void);
void ep2_rxdone(void);