void testDebug()
{
IOBase *io;
io=new IODebug();
unsigned char tdi[]={0x3a,0xa3};
unsigned char tdo[10];
io->setTapState(IOBase::SHIFT_DR);
io->shiftTDITDO(tdi,tdo,16,false);
for(int i=0; i<2; i++)printf("TDO %02x\n",tdo[i]);
delete io;
}
void testPP()
{
IOBase *io;
io=new IOParport("/dev/parport0");
unsigned char tdi[]={0,0,0,0,0,0,0,0};
unsigned char tdo[100];
io->setTapState(IOBase::SHIFT_DR);
io->shiftTDITDO(tdi,tdo,64);
for(int i=0; i<8; i++)printf("TDO %02x\n",tdo[i]);
printf("\n");
getSwitches(io);
getID(io);
delete io;
}
void process(IOBase &io, BitFile &file, int chainpos)
{
const byte IDCODE=0x09;
const byte XCF_IDCODE=0xfe;
Jtag jtag(&io);
int num=jtag.getChain();
DeviceDB db(DEVICEDB);
for(int i=0; i<num; i++){
int length=db.loadDevice(jtag.getDeviceID(i));
if(length>0)jtag.setDeviceIRLength(i,length);
else{
byte *id=jtag.getDeviceID(i);
fprintf(stderr,"Cannot find device having IDCODE=%02x%02x%02x%02x\n",id[0],id[1],id[2],id[3]);
return;
}
}
byte tdo[4];
if(jtag.selectDevice(chainpos)<0){
fprintf(stderr,"Invalid chain position %d, position must be less than <%d.\n",chainpos,num);
return;
}
jtag.shiftIR(&IDCODE);
jtag.shiftDR(0,tdo,32);
printf("IDCODE: 0x%02x%02x%02x%02x\tDesc: %s\n",tdo[0],tdo[1],tdo[2],tdo[3],db.getDeviceDescription(chainpos));
const byte JPROGRAM=0x0b;
const byte CFG_IN=0x05;
const byte JSHUTDOWN=0x0d;
const byte JSTART=0x0c;
const byte BYPASS=0x3f;
jtag.shiftIR(&JPROGRAM);
jtag.shiftIR(&CFG_IN);
byte init[]={0x00, 0x00, 0x00, 0x00, // Flush
0x00, 0x00, 0x00, 0x00, // Flush
0xe0, 0x00, 0x00, 0x00, // Clear CRC
0x80, 0x01, 0x00, 0x0c, // CMD
0x66, 0xAA, 0x99, 0x55, // Sync
0xff, 0xff, 0xff, 0xff // Sync
};
jtag.shiftDR(init,0,192,32); // Align to 32 bits.
jtag.shiftIR(&JSHUTDOWN);
io.cycleTCK(12);
jtag.shiftIR(&CFG_IN);
byte hdr[]={0x00, 0x00, 0x00, 0x00, // Flush
0x10, 0x00, 0x00, 0x00, // Assert GHIGH
0x80, 0x01, 0x00, 0x0c // CMD
};
jtag.shiftDR(hdr,0,96,32,false); // Align to 32 bits and do not goto EXIT1-DR
jtag.shiftDR(file.getData(),0,file.getLength());
io.tapTestLogicReset();
io.setTapState(IOBase::RUN_TEST_IDLE);
jtag.shiftIR(&JSTART);
io.cycleTCK(12);
jtag.shiftIR(&BYPASS); // Don't know why, but without this the FPGA will not reconfigure from Flash when PROG is asserted.
}
