Multiplex Display with count comand
Helo All,
Multiplex 3 Display 7 Seg. blink when I use the command count.
@ device pic16F628A, wdt_off, pwrt_on, mclr_off, bod_off, lvp_off, protect_off
TRISB = 0 'set PORTB pins as outputs 0, Input 1
TRISA = %00001 'set PORTA pins as inputs 1, Output 0
CMCON = 7 'set PortA = digital I/O
VRCON = 0 ' Voltage reference disabled
'Decimal Common Anode
Zero CON 192 'abcdef
One CON 249 'bc
Two CON 164 'abdeg
Three CON 176 'abcdg
Four CON 153 'bcfg
Five CON 146 'acdfg
Six CON 130 'acdefg
Seven CON 248 'abc
Eight CON 128 'abcdefg
Nine CON 144 'abcfg
'Variables
ENTRADA VAR PORTA.0
FREQ var WORD
KM var word
x var byte
MEDE:
COUNT ENTRADA,1000,FREQ 'With count display blink
' freq = 430 'without normal
KM = Freq / 4
MOSTRA:
For X = 0 to 2 'number of digits 'three in this case
Display:
LookUp (KM DIG (X)),[Zero,One,Two,Three,Four,Five,Six,Seven,Eight,Nine],PORTB
if X = 0 then
PORTA = 2 ' %00010 2 turn ones display on
pauseus 500 ' wait for a while
PORTA.1 = 0 ' %00001 $00 turn all displays off
eNDIF
if X = 1 then
if KM >= 10 then
PORTA = 4 ' %00100 4 turn ones display on
pauseus 500 ' wait for a while
PORTA.2 = 0 ' %00001 $00 turn all displays off
endif
ENDIF
if X = 2 then
if KM >= 100 then
PORTA = 8 ' %01000 8 turn ones display on
pauseus 500 ' wait for a while
PORTA.3 = 0 ' %00001 $00 turn all displays off
endif
ENDIF
Next X
Goto MEDE
As it resolve that problem?
