Measurement-computing Micro 488/EX rev.2.1 Instrukcja Użytkownika Pobierz pdf (Strona 45)

Section 4 General Programming

4.3

4.2.4 Changing Operational Modes

If memory is allocated from the USER heap for

LOG

and

MACRO

buffers in the Controller or Peripheral modes, and the operational mode is

changed to one of the Pass-Thru modes, this memory remains allocated and

is not available to the Pass-Thru mode. Pass-Thru modes will function as

described but will not have the full memory available to them. Upon

returning to the Controller or Peripheral mode, the

LOG

and

MACRO

buffers

will be un-modified.

4.3 Clock and Timer Functions

The Micro488/EX has a built in time of day, day of week and date clock. Most

timer features, with the exception of

TIME

OUT

and

DELAY

, are directly a function of

this hardware.

TIME

OUT

and

DELAY

are functions of the Micro488/EX's firmware

operating system. As a result, some time skew may be observed between these

commands with respect to the clock.

Both 12 and 24 hour time output formats are available from the clock. The

relationship between the 12 and 24 hour operations are…

24 Hour 12 Hour

Midnight 00:00:00 12:00:00 AM

01:00:00 01:00:00 AM

……

11:59:59 11:59:59 AM

Noon (Midday) 12:00:00 12:00:00 PM

13:00:00 01:00:00 PM

……

23:59:59 11:59:59 PM

4.3.1 Time

While running one of the TERMINAL programs in Appendix D, type

the following on the PC's keyboard…

HELLO

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 217 218

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