HP E1433A User's Guide
The
HP E1433A Interrupt Behavior
Interrupt Setup
The HP E1433A VXI module can be programmed to interrupt a host computer using the VME interrupt lines. VME provides seven such lines, and the HP E1433A module can be told to use any one of them (see e1432_set_interrupt_priority).
The HP 1432A can interrupt the host computer in response to different events. You can specify a mask of events on which to interrupt. This mask is created by
The following table, copied from the e1432_set_interrupt_mask manual page, shows the conditions that can cause an interrupt:
Interrupt Mask Bit Definitions |
|
Define (in e1432.h) | Description |
E1432_IRQ_MEAS_WARNING |
|
E1432_IRQ_BLOCK_READY | Block of data ready in FIFO |
E1432_IRQ_MEAS_STATE_CHANGE | Measurement state machine changed state |
E1432_IRQ_TRIGGER | Trigger ready for transfer to other modules |
E1432_IRQ_OVERLOAD_CHANGE | Overload status changed |
E1432_IRQ_MEAS_ERROR | FIFO overflow |
E1432_IRQ_TACHS_AVAIL | Raw |
E1432_IRQ_SRC_STATUS | Source status change |