SVF语法结构 - 基于MxTNI JTAG库和SVF文件编程Xilinx PROM器件的详细分析与演示

示例2: 无全局填充指令的SVF语法结构
a/ SVF file commands:
STATE RESET IDLE;
TIR 0 ;
HIR 0 ;
TDR 0 ;
HDR 0 ;
SIR 13 TDI (1fff) SMASK (1fff) ;
SDR 2 TDI (00) SMASK (03) ;
SIR 13 TDI (1fff) TDO (0021) MASK (1c63) ;
// Loading devices with 'ispen' or 'bypass' instruction.
SIR 13 TDI (1d1f) ;
SDR 7 TDI (68) SMASK (7f) ;
// Loading device with 'faddr' instruction.
SIR 13 TDI (1d7f) ;
SDR 17 TDI (000002) SMASK (01ffff) ;
RUNTEST 1 TCK;
// Loading device with 'ferase' instruction.
SIR 13 TDI (1d9f) ;
RUNTEST 100000 TCK;
// Loading device with a 'faddr' instruction.
SIR 13 TDI (1d7f) ;
SDR 17 TDI (000002) ;
RUNTEST 1 TCK;
// Loading device with 'serase' instruction.
SIR 13 TDI (015f) ;
RUNTEST 37000 TCK;
// Loading devices with 'conld' or 'bypass' instruction.
SIR 13 TDI (1e1f) ;
RUNTEST 110000 TCK;
// Loading devices with 'ispen' or 'bypass' instruction.
SIR 13 TDI (1d1f) ;
SDR 7 TDI (68) SMASK (7f) ;
// Loading device with a 'fdata0' instruction.
SIR 13 TDI (1dbf) ;
b/ Sample JAVA program using JTAG library:
import java.io.*;
import javax.comm.*;
import com.dalsemi.comm.*
public static void main(String[] args)
{
myJtag = new jtag();
int SIZE = 0x1000;
int[] intArray = new int[SIZE];
byte HeaderInstBitVal = (byte)0x00;
byte TrailerInstBitVal = (byte)0x00;
byte HeaderDataBitVal= (byte)0x00;
byte TrailerDataBitVal= (byte)0x00;
// STATE RESET IDLE;
myJtag.initialize();//This JTAG library method will initialize
// XC18V02 TAP controller and stay at
// Run-Test/Idle
// TIR 0 ;
byte TIR = (byte)0x00;
// HIR 0 ;
byte HIR = (byte)0x00;
// HDR 0 ;
byte HDR = (byte)0x00;
// TDR 0
byte TDR = (byte)0x00;
// SIR 13 TDI (1fff) SMASK (1fff) ;
intArray[0] = (int)(0x1fff&0x1fff);
myJtag.sendNrcv(intArray,0,1,(byte)13,true,false,(byte)HIR,
(byte)HeaderInstBitVal,(byte)TIR,(byte)TrailerInstBitVal);
// SDR 2 TDI (00) SMASK (03) ;
intArray[0] = (int)(0x00&0x03);
myJtag.sendNrcv(intArray,0,1,(byte)2,false,false,(byte)HDR,
(byte)HeaderDataBitVal,(byte)TDR,(byte)TrailerDataBitVal);
// SIR 13 TDI (1fff) TDO (0021) MASK (1c63) ;
intArray[0] = (byte)0x1fff;
myJtag.sendNrcv(intArray,0,1,(byte)13,true,false,(byte)HIR,
(byte)HeaderInstBitVal,(byte)TIR,(byte)TrailerInstBitVal);
// SIR 13 TDI (1d1f) ;
intArray[0] = (byte)0x1d1f;
myJtag.sendNrcv(intArray,0,1,(byte)13,true,false,(byte)HIR,
(byte)HeaderInstBitVal,(byte)TIR,(byte)TrailerInstBitVal);
// SDR 7 TDI (68) SMASK (7f) ;
intArray[0] = (int)(0x68&0x7f);
myJtag.sendNrcv(intArray,0,1,(byte)7,false,false,(byte)HDR,
(byte)HeaderDataBitVal,(byte)TDR,(byte)TrailerDataBitVal);
// SIR 13 TDI (1d7f) ;
intArray[0] = (byte)0x1d7f;
myJtag.sendNrcv(intArray,0,1,(byte)13,true,false,(byte)HIR,
(byte)HeaderInstBitVal,(byte)TIR,(byte)TrailerInstBitVal);
// SDR 17 TDI (000002) SMASK (01ffff) ;
intArray[0] = (int)(0x0002 & 0xffff);
TDR = (byte)0x01;
myJtag.sendNrcv(intArray,0,1,(byte)16,false,false,(byte)HDR,
(byte)HeaderDataBitVal,(byte)TDR,(byte)TrailerDataBitVal);
// RUNTEST 1 TCK;
myJtag.waitState(1);
// SIR 13 TDI (1d9f) ;
intArray[0] = (byte)0x1d9f;
myJtag.sendNrcv(intArray,0,1,(byte)13,true,false,(byte)HIR,
(byte)HeaderInstBitVal,(byte)TIR,(byte)TrailerInstBitVal);
// RUNTEST 100000 TCK;
myJtag.waitState(1000);
// SIR 13 TDI (1d7f) ;
intArray[0] = (byte)0x1d7f;
myJtag.sendNrcv(intArray,0,1,(byte)13,true,false,(byte)HIR,
(byte)HeaderInstBitVal,(byte)TIR,(byte)TrailerInstBitVal);
// SDR 17 TDI (000002) ;
intArray[0] = (int)(0x0002 & 0xffff);
TDR = (byte)0x01;
myJtag.sendNrcv(intArray,0,1,(byte)16,false,false,(byte)HDR,
(byte)HeaderDataBitVal,(byte)TDR,(byte)TrailerDataBitVal);
// RUNTEST 1 TCK;
myJtag.waitState(1);
// SIR 13 TDI (015f) ;
intArray[0] = (byte)0x015f;
myJtag.sendNrcv(intArray,0,1,(byte)13,true,false,(byte)HIR,
(byte)HeaderInstBitVal,(byte)TIR,(byte)TrailerInstBitVal);
// RUNTEST 37000 TCK;
myJtag.waitState(100);
// SIR 13 TDI (1e1f) ;
intArray[0] = (byte)0x1e1f;
myJtag.sendNrcv(intArray,0,1,(byte)13,true,false,(byte)HIR,
(byte)HeaderInstBitVal,(byte)TIR,(byte)TrailerInstBitVal);
// RUNTEST 110000 TCK;
myJtag.waitState(110);
// SIR 13 TDI (1d1f) ;
intArray[0] = (byte)0x1d1f;
myJtag.sendNrcv(intArray,0,1,(byte)13,true,false,(byte)HIR,
(byte)HeaderInstBitVal,(byte)TIR,(byte)TrailerInstBitVal);
// SDR 7 TDI (68) SMASK (7f) ;
intArray[0] = (int)(0x68 & 0x7f);
TDR = (byte)0x00;
myJtag.sendNrcv(intArray,0,1,(byte)7,false,false,(byte)HDR,
(byte)HeaderDataBitVal,(byte)TDR,(byte)TrailerDataBitVal);
// SIR 13 TDI (1dbf) ;
intArray[0] = (byte)0x1dbf;
myJtag.sendNrcv(intArray,0,1,(byte)13,true,false,(byte)HIR,
(byte)HeaderInstBitVal,(byte)TIR,(byte)TrailerInstBitVal);
}