cs8900.i

cs8900 c51应用

#line 1 "..\cs8900.c" /0


 
 
#error *** WARNING C318 IN LINE 4 OF ..\cs8900.c: can't open file 'inet/datatypes.h'
 
#error *** WARNING C318 IN LINE 5 OF ..\cs8900.c: can't open file 'inet/system.h'
 
#error *** WARNING C318 IN LINE 6 OF ..\cs8900.c: can't open file 'inet/ethernet.h'
 
#error *** WARNING C318 IN LINE 7 OF ..\cs8900.c: can't open file 'inet/cs8900.h'
 
 
#error *** WARNING C318 IN LINE 9 OF ..\cs8900.c: can't open file 'inet/arch/config.h'
 
 
 
 
 
 struct ethernet_frame received_frame;
 struct ethernet_frame send_frame;
 
 
 UINT8 xdata RxBuf1[ETH_MTU];
 UINT8 xdata TxBuf1[ETH_MTU];
 
 
 UINT8 xdata * RxPtr;
 UINT8 xdata * TxPtr;
 
 
 UINT16 RxLength;
 


 
 void CSInit (UINT8* mac)
 {
 UINT8 chip_id[4];  
 
 P1_3 = 1;
 wait(0xFFFF);
 P1_3 = 0;
 wait(0xFFFF);
 
  (*((volatile UINT8 xdata *)(PPPtr))) = 0x58;
  (*((volatile UINT8 xdata *)(PPPtrp1))) = 0x01;
 
  (*((volatile UINT8 xdata *)(PPData))) = *(mac+5);			 
  (*((volatile UINT8 xdata *)(PPDatap1))) = *(mac+4);
 
  (*((volatile UINT8 xdata *)(PPPtr))) = 0x5A;
  (*((volatile UINT8 xdata *)(PPPtrp1))) = 0x01;
 
  (*((volatile UINT8 xdata *)(PPData))) = *(mac+3);			 
  (*((volatile UINT8 xdata *)(PPDatap1))) = *(mac+2);
 
  (*((volatile UINT8 xdata *)(PPPtr))) = 0x5C;
  (*((volatile UINT8 xdata *)(PPPtrp1))) = 0x01;
 
  (*((volatile UINT8 xdata *)(PPData))) = *(mac+1);			 
  (*((volatile UINT8 xdata *)(PPDatap1))) = *(mac);
 
 
  (*((volatile UINT8 xdata *)(PPPtr))) = 0x04;
  (*((volatile UINT8 xdata *)(PPPtrp1))) = 0x01;
  (*((volatile UINT8 xdata *)(PPData))) = 0x00;
  (*((volatile UINT8 xdata *)(PPDatap1))) = 0x0D;
 
 
  (*((volatile UINT8 xdata *)(PPPtr))) = 0x12;
  (*((volatile UINT8 xdata *)(PPPtrp1))) = 0x01;
  (*((volatile UINT8 xdata *)(PPData))) = 0xc0;
  (*((volatile UINT8 xdata *)(PPDatap1))) = 0x00;
 



 
  (*((volatile UINT8 xdata *)(PPPtr)))=0x00;
  (*((volatile UINT8 xdata *)(PPPtrp1)))=0x00;
 
 chip_id[0]=(*((volatile UINT8 xdata *)(PPData)));
 chip_id[1]=(*((volatile UINT8 xdata *)(PPDatap1)));
 
  (*((volatile UINT8 xdata *)(PPPtr)))=0x02;
  (*((volatile UINT8 xdata *)(PPPtrp1)))=0x00;
 
 chip_id[2]=(*((volatile UINT8 xdata *)(PPData)));
 chip_id[3]=(*((volatile UINT8 xdata *)(PPDatap1)));
 
 }
 
 
 UINT8 CSCheckRxFrame (void)
 {
 UINT8 highbyte, lowbyte;
  (*((volatile UINT8 xdata *)(PPPtr))) = 0x24;
  (*((volatile UINT8 xdata *)(PPPtrp1))) = 0x01;
 highbyte = (*((volatile UINT8 xdata *)(PPDatap1)));
 lowbyte = (*((volatile UINT8 xdata *)(PPData)));
 return highbyte;
 }
 
 
 UINT8 CSReceiveFrame (void)
 {
 UINT8 temp,lenh, lenl;
 UINT8 i;
 
 if (CSCheckRxFrame() == FALSE) 	 
 return(FALSE);  
 
 RxPtr = &RxBuf1[0];
 
 temp=(*((volatile UINT8 xdata *)(RxTxDatap1)));
 temp=(*((volatile UINT8 xdata *)(RxTxData)));
 lenh=(*((volatile UINT8 xdata *)(RxTxDatap1)));
 lenl=(*((volatile UINT8 xdata *)(RxTxData)));
 RxLength=(UINT16)((lenh<<8)+lenl);
 for (i=0;i<(RxLength>>1);i++)
 {
 *RxPtr++=(*((volatile UINT8 xdata *)(RxTxData)));
 *RxPtr++=(*((volatile UINT8 xdata *)(RxTxDatap1)));
 }
 if((RxLength&0x0001)==1)
 {
 *RxPtr++=(*((volatile UINT8 xdata *)(RxTxData)));
 }
 
 
 RxPtr = &RxBuf1[0];
 
 
 received_frame.frame_size = lenl;
 received_frame.frame_size |= ((UINT16)lenh) << 8;
 
 if(received_frame.frame_size > 4)
 received_frame.frame_size -= 0;			 
 else
 return(FALSE);
 
 
 
 received_frame.destination[5] = *RxPtr++;						
 received_frame.destination[4] = *RxPtr++;
 received_frame.destination[3] = *RxPtr++;
 received_frame.destination[2] = *RxPtr++;
 received_frame.destination[1] = *RxPtr++;
 received_frame.destination[0] = *RxPtr++;
 
 
 
 received_frame.source[5] = *RxPtr++;
 received_frame.source[4] = *RxPtr++;
 received_frame.source[3] = *RxPtr++;
 received_frame.source[2] = *RxPtr++;
 received_frame.source[1] = *RxPtr++;
 received_frame.source[0] = *RxPtr++; 
 
 
 
 received_frame.protocol = *RxPtr++;
 received_frame.protocol <<= 8;
 received_frame.protocol |= *RxPtr++;
 
 
 
 received_frame.buf_index = ETH_HEADER_LEN;
 
 
 
 return(TRUE);						 
 }
 
 
 void CSSendFrame (UINT16 len)	 
 {
 UINT8 BusST;
 UINT16 i = 0;
 TxPtr = &TxBuf1[0];
  (*((volatile UINT8 xdata *)(TxCmd)))= 0xc0;
  (*((volatile UINT8 xdata *)(TxCmd + 1))) = 0x00;
  (*((volatile UINT8 xdata *)(TxLength))) = (UINT8) (len & 0x00FF);
  (*((volatile UINT8 xdata *)(TxLength + 1))) = (UINT8) (len >> 8);
  (*((volatile UINT8 xdata *)(PPPtr))) = 0x38;
  (*((volatile UINT8 xdata *)(PPPtr + 1))) = 0x01;
 do	
 {
 BusST = (*((volatile UINT8 xdata *)(PPData)));
 BusST = (*((volatile UINT8 xdata *)(PPDatap1)));
 } while(!(BusST==0x01));
 while (i<(len>>1))
 {
  (*((volatile UINT8 xdata *)(RxTxData))) = *(TxPtr++);
  (*((volatile UINT8 xdata *)(RxTxDatap1))) = *(TxPtr++);
 i++;
 }
 if((len&0x0001)==1)
 {
  (*((volatile UINT8 xdata *)(RxTxData))) = *(TxPtr);
 }
 }
 
 

 
 
 void CSInitRx_position (UINT16 pos)
 {
 RxPtr = &RxBuf1[0] + pos; 
 
 }
 

 
 
 void CSInitTx_position (UINT16 pos)
 {
 TxPtr = &TxBuf1[0] + pos; 
 
 }
 
 void CSDumpRxFrame (void)
 {
 ; 
 }
 
 void outBUF (UINT8 dat)
 {
 *TxPtr++ = dat;
 }
 
 
 UINT8 inBUF (void)
 {
 return(*RxPtr++);
 }
 


 
 
 void CSWriteEthernetHeader (struct ethernet_frame* frame)
 {
 INT8 i;
 
 
 TxPtr = &TxBuf1[0];
 for(i=ETH_ADDRESS_LEN-1; i >= 0; i--) {
 *TxPtr++ = frame->destination[i];
 }
 
 
 
 for(i=ETH_ADDRESS_LEN-1; i >= 0; i--) {
 *TxPtr++ = frame->source[i];
 }
 
 
 
 *TxPtr++ = (UINT8)(frame->protocol >> 8);
 *TxPtr++ = (UINT8)frame->protocol;
 
 }