common.i

来自「51环境下的FAT及FAT32文件系统源码」· I 代码 · 共 493 行

#line 1 "common.c" /0
 
  
#line 1 "common.h" /0
  
#line 1 "C:\KEIL\C51\INC\REG51.H" /0






 
 
 
 
 
 
 sfr P0   = 0x80;
 sfr P1   = 0x90;
 sfr P2   = 0xA0;
 sfr P3   = 0xB0;
 sfr PSW  = 0xD0;
 sfr ACC  = 0xE0;
 sfr B    = 0xF0;
 sfr SP   = 0x81;
 sfr DPL  = 0x82;
 sfr DPH  = 0x83;
 sfr PCON = 0x87;
 sfr TCON = 0x88;
 sfr TMOD = 0x89;
 sfr TL0  = 0x8A;
 sfr TL1  = 0x8B;
 sfr TH0  = 0x8C;
 sfr TH1  = 0x8D;
 sfr IE   = 0xA8;
 sfr IP   = 0xB8;
 sfr SCON = 0x98;
 sfr SBUF = 0x99;
 
 
 
 
 sbit CY   = 0xD7;
 sbit AC   = 0xD6;
 sbit F0   = 0xD5;
 sbit RS1  = 0xD4;
 sbit RS0  = 0xD3;
 sbit OV   = 0xD2;
 sbit P    = 0xD0;
 
 
 sbit TF1  = 0x8F;
 sbit TR1  = 0x8E;
 sbit TF0  = 0x8D;
 sbit TR0  = 0x8C;
 sbit IE1  = 0x8B;
 sbit IT1  = 0x8A;
 sbit IE0  = 0x89;
 sbit IT0  = 0x88;
 
 
 sbit EA   = 0xAF;
 sbit ES   = 0xAC;
 sbit ET1  = 0xAB;
 sbit EX1  = 0xAA;
 sbit ET0  = 0xA9;
 sbit EX0  = 0xA8;
 
 
 sbit PS   = 0xBC;
 sbit PT1  = 0xBB;
 sbit PX1  = 0xBA;
 sbit PT0  = 0xB9;
 sbit PX0  = 0xB8;
 
 
 sbit RD   = 0xB7;
 sbit WR   = 0xB6;
 sbit T1   = 0xB5;
 sbit T0   = 0xB4;
 sbit INT1 = 0xB3;
 sbit INT0 = 0xB2;
 sbit TXD  = 0xB1;
 sbit RXD  = 0xB0;
 
 
 sbit SM0  = 0x9F;
 sbit SM1  = 0x9E;
 sbit SM2  = 0x9D;
 sbit REN  = 0x9C;
 sbit TB8  = 0x9B;
 sbit RB8  = 0x9A;
 sbit TI   = 0x99;
 sbit RI   = 0x98;
 
 
#line 1 "common.h" /0
 
  
#line 1 "C:\KEIL\C51\INC\ABSACC.H" /0






 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
#line 24 "C:\KEIL\C51\INC\ABSACC.H" /1
  
  
  
  
 
#line 29 "C:\KEIL\C51\INC\ABSACC.H" /0
 
 
 
 
 
 
 
#line 2 "common.h" /0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 typedef unsigned char       UINT8;
 typedef unsigned short      UINT16;
 typedef unsigned long       UINT32;
 
 typedef union {
 struct 
 {
 UINT8    Type;
 UINT8    Index;
 } Descriptor;
 
 struct 
 {
 UINT8 tx0;   
 UINT8 tx1;   
 UINT8 endp;   
 UINT8 c0;    
 } chars;
 
 struct 
 {
 UINT8 c3;   
 UINT8 c2;   
 UINT8 c1;   
 UINT8 c0;    
 } chars0;
 
 struct
 {
 UINT16 i1;     
 UINT16 i0;     
 } ints;
 
 UINT32 u0;
 
 } FLEXI_INT32;
 
 typedef union  {
 struct 
 {
 UINT8 c1;    
 UINT8 c0;    
 } chars;
 
 UINT16 i0;
 } FLEXI_INT16, *pFLEXI_INT16;
 
 typedef struct _XXG_FLAGS
 {
 unsigned char bTimer        :1;
 unsigned char bIN_ISR		:1;
 unsigned char bCOM_ERR		:1;
 unsigned char bTimeout		:1;
 unsigned char bData1		:1;
 unsigned char bUartInDone	:1;
 unsigned char bMassDevice	:1;
 unsigned char bToggle       :1;
 
 unsigned char SLAVE_IS_ATTACHED	:1;
 unsigned char SLAVE_REMOVED	:1;
 unsigned char SLAVE_FOUND	:1;	 
 unsigned char SLAVE_ENUMERATED	:1;	 
 unsigned char SLAVE_ONLINE	:1;
 unsigned char SLAVE_STALLED     :1;
 unsigned char TIMEOUT_ERR	:1; 	 
 unsigned char DATA_STOP		:1;	 
 } XXGFLAGS;
 
 typedef struct
 {
 unsigned int sector;
 unsigned char offset;
 } DIR_IDX, *pDIR_IDX;
 



 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 sfr P4 = 0xA1;
 
 sfr P0_DDR = 0xA2;
 sfr P1_DDR = 0xA3;
 sfr P2_DDR = 0xA4;
 sfr P3_DDR = 0xA5;
 sfr P4_DDR = 0xA6;
 
 sfr P_PU = 0xA7;
 sfr P_PD = 0xA9;
 
 sfr WDT = 0xAA;
 
 sfr SPI_DATA= 0x91;
 sfr SPI_CTL0= 0x92;
 sfr SPI_CTL1= 0x93;
 sfr SPI_STA0= 0x94;
 
 sfr SD_CTL0= 0x95;
 sfr SD_STA0= 0x96;
 sfr SD_STA1= 0x97;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
#line 205 "common.h" /1
  
  
 
#line 208 "common.h" /0
 
 
 
 
 
 unsigned short WordSwap(unsigned short input);
 void DelayMs(unsigned int nFactor);
 void DelayUs(unsigned char nFactor);
 unsigned long SwapINT32(unsigned long dData);
 unsigned char SendUart(unsigned char *pUsrBuf, unsigned int num);
 
 
 
#line 2 "common.c" /0
 
 
 
 
#line 6 "common.c" /1
 
 
 
 
 
 
 
 
 
 
 
 
 
#line 19 "common.c" /0
 
 
 
#line 22 "common.c" /1
 
 
 
 
 
 
 
 
 
 
 
 
 
#line 35 "common.c" /0
 
 
 
 
#line 39 "common.c" /1
 
 
 
 
 
 
 
 
 
 
 
 
 
#line 52 "common.c" /0
 
 unsigned short WordSwap(unsigned short input)
 {
 return(((input&0x00FF)<<8)|((input&0xFF00)>>8));
 }
 
 void DelayMs(unsigned int nFactor)
 {
 unsigned int data i;
 unsigned int data j;
 
 for(i=0; i<nFactor; i++)	
 {
 for(j=0;j<140;j++)
 j=j;
 }
 }
 
 void DelayUs(unsigned char nFactor)
 {
 unsigned char data i;
 unsigned char data j;
 
 j = nFactor >> 2;         
 for(i=0; i<j; i++)
 j=j;
 }
 
 unsigned long SwapINT32(unsigned long dData)
 {
 dData = (dData&0xff)<<24|(dData&0xff00)<<8|(dData&0xff000000)>>24|(dData&0xff0000)>>8;
 return dData;
 }
 
 unsigned char SendUart(unsigned char *pUsrBuf, unsigned int num)
 {
 unsigned int i;
 unsigned char *ptr;
 
 ptr = pUsrBuf;
 
 for (i=0;i<num;i++)
 {
 SBUF = *ptr;
 while(!(SCON & 0x2));   
 
 
 ptr++;
 }
 
 return(1);
 }