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AN #184 - Bascom Oscilloscope |
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Digital Oscilloscope based on AVR and BASCOM-AVR.
by AVR64
This is a Digital Oscilloscope based on AVR. this Oscilloscope has
professional settings such as horizontal, vertical, Domain, Sweep, Refresh,
Scan Speed, etc.
Source code:
'---------------------------------------------------------------
'Digital Oscilloscope <Oscope2.bas>
'Programmer: Behnam Zakizadeh
'Compiler : BASCOM 2.0.4.0
'Creation Date: 04.Dec.2010
'Last Change: 23.Apr.2011
'Copyright: © 2011 By www.avr64.com
'License: This Is A Free Firmware, Ver: 2.01
'Suitable for Bascom Demo: Yes (less than 4KB)
'---------------------------------------------------------------
$regfile = "m16def.dat"
$crystal = 4000000
$hwstack = 64
$swstack = 64
$framesize = 64
'GLCD
$lib "glcdKS108.lbx"
Config Graphlcd = 128 * 64sed , Dataport = Portc , Controlport = Porta , Ce = _
6 , Ce2 = 7 , Cd = 2 , Rd = 3 , Reset = 5 , Enable = 4
Setfont My6_8
'A2D
Config Adc = Single , Prescaler = Auto , Reference = Internal
Enable Adc
Start Adc
'I/O
Config Pind.4 = Input 'K1
Config Pind.5 = Input 'K2
Config Pind.6 = Input 'K3
Config Pinb.0 = Input 'K4
Set Portd.4 'Set Pullup Res
Set Portd.5 '//
Set Portd.6 '//
Set Portb.0 '//
'Variables
Dim A As Word
Dim X As Byte , Speed As Word , Temp1 As Word
Speed = 1
Dim Refresh As Word
Refresh = 40
Cls
Lcdat 1 , 1 , "Digital Oscilloscope"
Wait 1
Cls
Showpic 0 , 0 , Pic1
Do
'Horizontal Set
If Pind.4 = 0 Then
If Speed < 1000 Then
Incr Speed
End If
End If
If Pinb.0 = 0 Then
If Speed > 0 Then
Decr Speed
End If
End If
'Refresh Speed Set
If Pind.6 = 0 Then
If Refresh < 4000 Then
Refresh = Refresh * 2
End If
End If
If Pind.5 = 0 Then
If Refresh > 2 Then
Refresh = Refresh / 2
End If
End If
For X = 0 To 127
A = Getadc(1)
A = A / 16
A = 64 - A
'Draw Line ---___---___---___
Pset X , A , 255
'Horizontal
For Temp1 = 1 To Speed
Waitus 1
Next Temp1
Next
Waitms Refresh
Cls
Showpic 0 , 0 , Pic1
Lcdat 1 , 1 , "Sweep: " ; Speed
Lcdat 2 , 1 , "Refresh: " ; Refresh
Loop
End
Pic1:
$bgf "Oscope.bgf"
$include "my6_8.font"
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