Hello,
I have some problem on developing driver for TNT5002,I am using USB-GPIB Agilent IO control based on PC(windows xp) to connect TNT5002 pci-gpib which plug in MPC8541 board,and the os is vxworks5.5.
After initialization of TNT5002,and initialized for receiving,I can send data to tnt5002 from pc.
The problem is:
when I send *IDN? to tnt5002,and I am sure I read the "*IDN?" string from the GFIFO,but I can not receive the response from TNT5002.
Why?
The initialization code as follow:
/* Initialize TNT5002 */
CMDR[SOFT_RESET] = 0x22; //TNT5002 for 4882 mode
AUXMR[CH_RST] = 0x02; //assert pon message
ADMR = 0x31; //ADDR_MODE is normal addressing
ADR0 = 0x0e; //GPIB ADDRESS:14
/* Configuration for Serial Poll */
IMR0 = 0x80; //clear STBO IE
AUXMR = 0x18; //REQT
/* Configuration for Parallel Poll */
PPR[PPMODE1] = 0x70;//do not sue Parallel Poll
/* Configuration for Device clear block */
AUXRE = 0xc0; //Disable device clear
/* Configuration for Device Trigger Block */
AUXRE = 0xc0; //Disable device trigger
/* Set T1 delay */
*(0x11) = 0x32;
/* Clear pon */
AUXMR[PON] = 0x00;
The initialization for receiving:
/* Initialization for receiving */
CFG = 0x21; //CFG
CNT0 = 0xe0; //CNT
CNT1 = 0xff;
EOSR = 0x00; //EOSR
AUXMR = 0x94; //AUXRA
AUXMR = 0x03; //AUXMR[RHDF]
CMDR[RESET_FIFO] = 0x10; //CMDR[RESET_FIFO]
CMDR[GO] = 0x04; //CMDR[GO]
tmp = PciGpibReadByte(0x54004106);
SPMR= tmp&0xbf;
IMR1[END IE] = 0x10; //IMR1
IMR3[NEF IE] = 0x04; //IMR3
The receiving routine is :
switch(isr3)
{
case NFF_FULL:
{
for(i = 0; i < 16; i++)
{
*p++ = PciGpibReadByte((UINT32)0x54004118);
*p++ = PciGpibReadByte((UINT32)0x54004119);
}
break;
}
case THREE_QUARTER:
{
for(i = 0; i <15 ; i++)
{
*p++ = PciGpibReadByte((UINT32)0x54004118);
*p++ = PciGpibReadByte((UINT32)0x54004119);
}
*p++ = PciGpibReadByte((UINT32)0x54004119);
break;
}
case TOW_BYTE:
{
for(i = 0; i < 11; i++)
{
*p++ = PciGpibReadByte((UINT32)0x54004118);
*p++ = PciGpibReadByte((UINT32)0x54004119);
}
*p++ = PciGpibReadByte((UINT32)0x54004119);
break;
}
case OOD:
{
*p++ = PciGpibReadByte((UINT32)0x54004118);
break;
}
default:
break;
}
printf("%s",string);
Please!Thank you!
