Unmap memory for low-level memory read and write operations
A VISA-VXI or VISA-GPIB-VXI object.
memunmap(obj) unmaps memory space
previously mapped by the
Create the VISA-VXI object
vv associated with a VXI chassis
with index 0, and a Keysight™ E1432A digitizer with logical address 130.
vv = visa('keysight','VXI0::130::INSTR'); fopen(vv)
Map 16 bytes in the A16 address space.
Read the first and second instrument registers.
reg1 = mempeek(vv,0,'uint16'); reg2 = mempeek(vv,2,'uint16');
memunmap to unmap the memory, and disconnect
vv from the instrument.
When the memory space is unmapped, the
property is set to
0 and the
MappedMemoryBase property is set to