10-22-2010 04:41 AM
Hi!
I am using NI-4882-PCI card communicating with TNT4882 device installed on card. I'm using TNT4882 device in 9914 compatibility mode. Communication seems working with register polling. However, I can't get INTR line activated.
For ISR0 interupts I have configured IMR0 and IMR3. Following listing shows poll status from ISR0 and IMR3:
int0=0x90,int3=0x2
int0=0x90,int3=0x2
int0=0xd1,int3=0x2
int0=0x81,int3=0x2
int0=0x82,int3=0x2
I interpret these status as follows:
int0/MSB should indicate that unmasked interrupt in ISR0 is active
int3=0x2 should indicate that IMR3/TLCINT IE is set passing unmasked ISR0/ISR1/ISR2 interrupts to INTR pin.
What else should I configure in order to get INTR pin activated?
10-25-2010 05:32 AM
Found the problem, required AUXCR register command ~dai = Disable All Interrupts => not set state.