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« เมื่อ: ธันวาคม 20, 2010, 03:23:54 PM » |
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ช่วยห่นอยครับ
ผมมีโค้ดนาฬิกา rtc ds1307 แสดงผล 7-segment แบบ 6หลักครับ แต่รบกวนแก้โค้ด ให้ใช้กับ 7-segment แบบ 4 หลักให้หน่อยคราบ
โค้ด ตามนี้เลยครับ
'****************************************************************
'* Name : UNTITLED.BAS *
'* Author : [select VIEW...EDITOR OPTIONS] *
'* Notice : Copyright (c) 2010 [select VIEW...EDITOR OPTIONS] *
'* : All Rights Reserved *
'* Date : 20/12/2010 *
'* Version : 1.0 *
'* Notes : *
'* : *
'****************************************************************
@ DEVICE PIC16F887, HS_OSC, WDT_OFF , MCLR_ON, LVP_OFF, PROTECT_OFF
@ DEVICE2 BOR21V, WRT_OFF
'@ DEVICE PIC16F877A,HS_OSC,LVP_OFF,BOD_OFF,WDT_OFF
Segments Var PORTB
Digits Var PORTA
i2 var byte
I Var Byte
J var byte
k var byte
p var byte
n Var Byte
q var byte
x var byte
z1 var byte
z2 var byte
SEC VAR BYTE
avce var byte
MINT VAR BYTE
HOUR VAR BYTE
ticks var byte
sw1 var portc.4
sw2 var portc.5
sw3 var portc.6
sw4 var portc.7
L1 var portd.7
L2 var portd.6
L3 var portd.5
L4 var portd.4
SDA VAR PORTc.3 ' DS1307 SDA pin #5
SCL VAR PORTd.0 ' DS1307 SCL pin #6
SQW VAR PORTc.2 ' Ds1307 SQW Pin
Dt1 var byte
Dt2 var byte
Dt3 var byte
Dt4 var byte
Dt5 var byte
Dt6 var byte
Dt7 var byte
Dt8 var byte
Dt1_ var byte
Dt2_ var byte
Dt3_ var byte
Dt4_ var byte
Dt5_ var byte
Dt6_ var byte
Dt7_ var byte
Dt8_ var byte
ct var byte
TRISA = %000000
TRISB = %00000000 ' Set segment all pins to output
TRISC = %11111111
TRISD = %11110000
TRISE = %000 ' Set digit all pins to output
z1=1
avce=0
hour = 0 ' Set initial time
mint = 0 ' Set initial time
sec = 0 ' Set initial time
ticks = 0
sw1=0
sw2=0
sw3=0
sw4=0
k=0
p=0
q=0
x=0
high l1
high l2
high l3
high l4
I2CREAD SDA,SCL,$D0,$00,[Dt1,Dt2,Dt3,Dt4,Dt5,Dt6,Dt7,Dt8]
if dt1.7=1 then GOSUB Write_1307 ' Write time & date on entry
Read_1307:
' Read time Secs,Mins,Hours,Day,Date,Month,Year,Control
start:
if SQW=1 and x=0 THEN GOSUB readdata
if sqw=0 and x=1 then x=0
gosub display
if sw1=0 then k=k+1
if k>=100 then k=0:goto setting
gosub lamptime
goto start
display:
for i=0 to 5
IF i=0 THEN n=hour DIG 1
IF i=1 THEN n=hour dig 0
IF i=2 THEN n=mint DIG 1
IF i=3 THEN n=mint DIG 0
IF i=4 THEN n=sec DIG 1
IF i=5 THEN n=sec DIG 0
gosub display1
pauseUS 1000
next i
return
'COMMON CATHODE
display1:
digits=$00
Lookup n, [$3F, $06, $5B, $4F, $66, $6D, $7D, $07, $7F, $6F], Segments
i2=i
if i2=4 then high porte.0
if i2<>4 then low porte.0
digits = dcd i2
return
Write_1307:
' Set time & date to 15:30:00 Tuesday 6th of July 2004
I2CWRITE SDA,SCL,$D0,$00,[$00,$00,$00,$02,$06,$07,$04,$90] ' Write to DS1307
RETURN ' Sec Min Hr Day D M Y Control
setting:
I2CWRITE SDA,SCL,$D0,$00,[$80,$00,$00,$02,$06,$07,$04,$90]
' Sec Min Hr Day D M Y Control
showtime:
sec=$00
gosub display
if sw2=0 then k=k+1
if k>=40 then mint=mint+1:k=0
if mint>59 then mint=0
if sw3=0 then p=p+1
if p>=40 then hour=hour+1:p=0
if mint>59 then mint=0
if hour>23 then hour=0
if sw4=0 then q=q+1
if q>=100 then q=0:goto settime
goto showtime
settime:
dt2=mint dig 1
dt2=dt2 << 4
dt2=dt2+mint dig 0
dt3=hour dig 1
dt3=dt3 << 4
dt3=dt3+hour dig 0
dt1=$0
I2CWRITE SDA,SCL,$D0,$00,[Dt1,Dt2,Dt3,Dt4,Dt5,Dt6,Dt7,Dt8]
goto start
READDATA:
x=x+1
I2CREAD SDA,SCL,$D0,$00,[Dt1,Dt2,Dt3,Dt4,Dt5,Dt6,Dt7,Dt8]
Dt1_=((Dt1>>4)&$0F)*10+(Dt1&$0F) 'dt1_=(dt1* 16)*10+(dt1//16)
Dt2_=((Dt2>>4)&$0F)*10+(Dt2&$0F)
Dt3_=((Dt3>>4)&$0F)*10+(Dt3&$0F)
sec=dt1_
mint=dt2_
hour=dt3_
return
lamptime:
if hour=07 and mint=30 then high L1:high L2:high L3 'on lamp 07:30
if hour=12 and mint=05then low L1 'off lamp 12:05
if hour=12 and mint=55 then high L1 'on lamp 12:55
if hour=15 and mint=05 then low L1:low L2:low L3 'off lamp 15:05
return
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