udisc.c

本程序是用DSP控制RTL8019AS以实现网络通讯 因能力有限

/////////////////////////////////////
#include	"DSP28_Device.h"

FLAGS bFlags;
extern unsigned char DBUF[BUFFER_LENGTH];
unsigned char usector;
extern unsigned long  DirStartCluster32;		
extern unsigned long  DirStartCluster;
extern SYS_INFO_BLOCK   DeviceInfo;
unsigned char DataBuf[BUFFER_LENGTH];
extern	FILE_INFO   	 ThisFile;
unsigned char  x,y,z,w,p,q,v;
unsigned char b;
long c;
/////////////////////////////////////////////////
void play_Udisc();
unsigned char kk1(float a);
unsigned char kk2(float a);
unsigned char kk3(float a);
unsigned char kk4(float a);
unsigned char kk5(float a);
unsigned char kk6(float a);
unsigned char kk7(float a);
void play_Udisc()
{
    int temp,i;
    unsigned long time_count;
    x=kk1(234.1235);
    y=kk2(234.1235);
    z=kk3(234.1235);
    w=kk4(234.1235);
    p=kk5(234.1235);
    q=kk6(234.1235);
    v=kk7(234.1235);
    bFlags.bits.bUartInDone=0;	
    SL811_Init();
    DirStartCluster32 = 0;
    DirStartCluster = 0;
	for (i=0;i<64;i++)
		DBUF[i] = 0;
		    
	while(TRUE)
	{
        time_count++;		
		if (time_count>10000)
			{
				time_count = 0;
				check_usb();
			}
		if(bFlags.bits.SLAVE_FOUND)
			{
				bFlags.bits.SLAVE_FOUND=FALSE;
  		    	DelayMs(20);
				if(EnumUsbDev(1))				// enumerate USB device, assign USB address = #1
					{
			   			bFlags.bits.SLAVE_ENUMERATED = TRUE;	// Set slave USB device enumerated flag			   	
			   			DirStartCluster32 = 0;
				   		DirStartCluster = 0;
					}	
			}
		if(bFlags.bits.SLAVE_REMOVED)
			{
				bFlags.bits.SLAVE_REMOVED=FALSE;
				bFlags.bits.SLAVE_ENUMERATED = FALSE;
				bFlags.bits.SLAVE_IS_ATTACHED = FALSE;
			}
		if(bFlags.bits.bMassDevice)			
			{
				bFlags.bits.bMassDevice=FALSE;
				DelayMs(50);
				if(EnumMassDev())
					{
						bFlags.bits.SLAVE_IS_ATTACHED = TRUE;
					}
				else{
						bFlags.bits.SLAVE_IS_ATTACHED = FALSE;
						temp=SL811Read(IntStatus);
						if(!(temp & 0x40))	bFlags.bits.SLAVE_FOUND=TRUE;
					}		
			}
		if(bFlags.bits.SLAVE_IS_ATTACHED)
			{
				CreateFile("kao11.xls",0x20);
				for (i=0;i<10;i++)
				{
		     	        DataBuf[i*10+0]=x+48;
				DataBuf[i*10+1]=y+48;
		     		DataBuf[i*10+2]=z+48;
		     		DataBuf[i*10+3]='.';
		     		DataBuf[i*10+4]=w+48;
		     		DataBuf[i*10+5]=p+48;
			        DataBuf[i*10+6]=q+48;
				DataBuf[i*10+7]=v+48;
				DataBuf[i*10+8]= 13;
				DataBuf[i*10+9]= 10;
				}		     	     
				while(1)
				{
					SetFilePointer(ThisFile.LengthInByte);
					WriteFile(100,DataBuf);
				}	
			}		
		}
    	
}
unsigned char kk1(float a)
{

c=a*10000;
b=c/1000000;
return(b);
}

unsigned char kk2(float a)
{

c=a*10000;
c=c%1000000;
b=c/100000;
return(b);
}

unsigned char kk3(float a)
{

c=a*10000;
c=c%1000000;
c=c%100000;
b=c/10000;
return(b);
}

unsigned char kk4(float a)
{
c=a*10000;
c=c%1000000;
c=c%100000;
c=c%10000;
b=c/1000;
return(b);
}

unsigned char kk5(float a)
{

c=a*10000;
c=c%1000000;
c=c%100000;
c=c%10000;
c=c%1000;
b=c/100;
return(b);
}

unsigned char kk6(float a)
{
c=a*10000;
c=c%1000000;
c=c%100000;
c=c%10000;
c=c%1000;
c=c%100;
b=c/10;
return(b);
}

unsigned char kk7(float a)
{
c=a*10000;
c=c%1000000;
c=c%100000;
c=c%10000;
c=c%1000;
c=c%100;
c=c%10;
b=c;
return(b);
}