Remote Processing RPC-210 - Manual (Page 40)

COUNTER/TIMERS BASIC SECTION 8
Page 8-3
Figure 8-3 Fr equency Measurem ent
Program COU NT5A .BAS is a multi-tasking version of
the frequency counter. It monitors the gating signal
using ON LINE . W hen the gate g oes high, a reading is
taken. While the gate is OFF or counting, you can
process other comma nds. APPLICATION PROGRAMS
The following program s are in the COUN TER director y.
COU NT1. C through CO UNT 4.C display the current
count in hex an d decima l form at.
F i le N a me Description
COUNT1.BAS Quadrature encoder mode.
Interrupt on carry or borrow.
Uses latch.
COUNT2.BAS Quadrature encoder mode.
Interrupts when encoder moves
through a position. Uses carry
to genera te an interr upt.
COUNT3.BAS Up/down count. Interrupt when
goes through 0. Auto-r eload.
COUNT4.BAS Measures pulse width of a low
pulse.
COUNT5.BAS Measure fr equency.
COUNT5A.BAS Meas ure fr equency u sing multi-
tasking method.
Interrupts used in some demo programs may be ignored
simply by not jumpering the interrupt line. The curr ent
count displayed is not interrupt driven.