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Eagle_Platine_V1.0/Hinweis_und_partlist.txt
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Bei bestückter Platine die Prozessorpins 20 (+5V) und 21 (VREF des ADC) durch eine Zinnbrücke verbinden, damit auch VREF auf +5V gelegt wird.
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Bauteilliste
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Bezeichnung Beschreibung
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C1, C2, C3, C4 100n, RM5
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D1, D2 1N4004
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F1 Sicherungshalter und Sicherung RM 22,5
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IC1 AT MEGA8-P DIP
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IC2 78S05
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IC3 LM35 TO92
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ISP STK200 10 x 2 pol. Stifte Anschluss zur Programmierung
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LED1 grün, 2mA, 3mm
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LED2 rot, 2 mA 3mm
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Q1 IRF510, TO220
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R1,R4, R8 10k
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R2 1 Ohm, 1 W
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R3 10k, 1%
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R5, R6 1k8
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R10 10k Trimmpoti PT6-L
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S1, S2 DT6 up Taster DT6
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SV1 Buchsenleiste 14 pol. für LCD
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X1 Anschlussklemmem AK300/2 RM 5
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X5 Anschlussklennen AK300/4 RM 5
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Eagle_Platine_V1.0/bestückung.pdf
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Eagle_Platine_V1.0/layout_V1.0.pdf
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Fusion_Halterung_V1.0/Lüfter v1.f3d
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|
||||
:100BA000FF202AF0DD0CEE1CFF1C015073F09D2D80
|
||||
:100BB000969548F0DD203AF4EE202AF491E0D90E23
|
||||
:100BC0009927E91EF91E80CF07C09FE7092FF92A50
|
||||
:100BD0009FEFD92EE92E0895DD24EE24FF2400276F
|
||||
:100BE000112708959F929924AA24BB2488E1D21644
|
||||
:100BF000E306F40628F0D21AE30AF40A089401C0C6
|
||||
:100C00008894991CAA1CBB1CDD0CEE1CFF1C8A9549
|
||||
:100C100071F7D92CEA2CFB2C9F90089543DFE1F269
|
||||
:100C20005038D1F21627005850580894051F12F476
|
||||
:100C300018F4CBCF08F0D0CF0AD0FF202AF0BB0C9D
|
||||
:100C4000DD1CEE1CFF1C40CF0F5FFBF13DCF9F92E0
|
||||
:100C50009924AA24BB24992788E1990CAA1CBB1CBF
|
||||
:100C6000DD1CEE1CFF1C30F4920EA31EB41ED91E18
|
||||
:100C7000E91EF91E8A9589F79F9008950EDF12DF0D
|
||||
:100C8000503829F090E869270CC00AF045D01CCFF5
|
||||
:100C90005FE322273327442701C0FFDE03DF5038FC
|
||||
:100CA000B1F3003899F3902F951B8BF312F434D0E5
|
||||
:100CB000FACF983118F0222733274427983028F0AC
|
||||
:100CC000232F342F44279850F9CF992329F04695A4
|
||||
:100CD000379527959A95D9F7912F962742F014D0FA
|
||||
:100CE000B0F6F794E794D7940F5F8BF66ECF10D0E1
|
||||
:100CF00051F008F4C3DEFF2052F2DD0CEE1CFF1CA5
|
||||
:100D00000150CBF762CF68CFD20EE31EF41E0895D8
|
||||
:100D1000D21AE30AF40A0895DF92EF92FF920F933A
|
||||
:100D20001F93D22EE32EF42E052F162F6F915F9175
|
||||
:100D30004F913F912F910895C895319600200895C5
|
||||
:100D4000FBDF202DF9DF302DF7DF402DF5DF502DB3
|
||||
:100D5000089507FB00680EF40F7757FB50680EF4F8
|
||||
:100D60005F7707FD02C057FF05C0D216E306F40601
|
||||
:100D7000050708952D153E054F055007089599273D
|
||||
:100D80008D9193958823E1F7939511968C93119704
|
||||
:100D90008E919A95D1F70895EA2FFB2F00244C915C
|
||||
:100DA0008D9103948E32E1F711248D911394882351
|
||||
:100DB000E1F71A94101640F41197202F211923956A
|
||||
:100DC00080E38D932A95E9F7113039F59927AE2FF5
|
||||
:100DD000BF2FA00DB91FA00FB91F8C919C93853315
|
||||
:100DE00008F421C031E08E918E32E9F38D3241F06A
|
||||
:100DF000830F8A3319F480E331E001C033278C93E9
|
||||
:100E0000AE1789F7332341F0AE2FBF2FB8DF81E350
|
||||
:100E10004D3209F43196808308958827E00DF81F3C
|
||||
:100E2000E00FF81F80830895000F111F221F331F4A
|
||||
:100E3000089500951095209530950F5F1F4F2F4F07
|
||||
:100E40003F4F0895019110810EC0019111912191A0
|
||||
:100E500030810BC00191108117FF05C03FEF2FEFCC
|
||||
:100E600004C0008111272227332737FF03C0E1DFA9
|
||||
:100E70008DE28D93CF93DF93CF92DF92EF92AA24EE
|
||||
:100E8000BB24CC24DD24EE2440E2CAE0DD2755E07B
|
||||
:100E900093E38881890F87FD9F7083FD907F891B75
|
||||
:100EA00089935A95A9F7C0DFAA1CBB1CCC1CDD1C7A
|
||||
:100EB000EE1C4A9551F7E894EFE0FF2782910ED09F
|
||||
:100EC000EB30E0F71EF068948A2D0CD088278D93C4
|
||||
:100ED000EF90DF90CF90DF91CF910895982F82957A
|
||||
:100EE00001D0892F8F70805D26F0803309F408953A
|
||||
:100EF00068948D93089581918D938823E1F70895E7
|
||||
:100F000094E081918D939A95E1F70895C1DD80E099
|
||||
:100F100003C0BEDD802F8078882321F0DF92EF921E
|
||||
:100F2000FF920F938F93BEDD802F839512F454DED2
|
||||
:100F30001BC080958A95885E0AF415C088501AF403
|
||||
:100F40000CD0D92210C0DD2488501AF406D0E92232
|
||||
:100F50000AC0EE2402D0F92206C09FEF8770990FD5
|
||||
:100F60008A95EAF70895B0DD8F918823D9F35F91D0
|
||||
:100F70004F913F912F910F93ECDE0F9199F390F3E6
|
||||
:100F800002D050688BCE5FE340E8332722270895D4
|
||||
:100F90007FDD0F930F777CDEBDDF8F918078082B8C
|
||||
:100FA00008950000E0410000803F00002041000063
|
||||
:100FB000C841000048420000A03B0000C8420000B9
|
||||
:100FC0007A44000000004C75656674657220312E0D
|
||||
:100FD00034002043200020536F6C6C3A0000200046
|
||||
:0C0FE0006D412020000050776D3A0000A9
|
||||
:00000001FF
|
3
Luefter_Software_V1/_a_luefter.bat
Normal file
3
Luefter_Software_V1/_a_luefter.bat
Normal file
@ -0,0 +1,3 @@
|
||||
rem Batchdatei zum Programmieren des Proz. mit AVR-Dude
|
||||
rem ISP-AVR-Programmer an der parallelen Schnittstelle
|
||||
avrdude -p m8 -c stk200 -U flash:w:luefter1.hex
|
302
Luefter_Software_V1/luefter_V1.bas
Normal file
302
Luefter_Software_V1/luefter_V1.bas
Normal file
@ -0,0 +1,302 @@
|
||||
|
||||
$regfile = "m8def.dat" ' ATMega8
|
||||
$crystal = 1000000 ' 1 MHz ist schnell genug
|
||||
|
||||
Const Const5 = 0.0048828125 ' 5Volt / 1024 (10-Bit-ADC)
|
||||
|
||||
Dim Adc0 As Word ' Wert vom NTC
|
||||
Dim Volt0 As Single ' Volt vom NTC
|
||||
Dim Disp_volt0 As String * 10 ' für die LCD-Anzeige
|
||||
|
||||
Dim Adc1 As Word ' Wert vom LM35
|
||||
Dim Volt1 As Single ' Volt vom LM35
|
||||
Dim Templm35 As Single ' Temperatur (celsius) von LM35
|
||||
Dim Isttemp As Single ' aktuelle Temperatur in Celsius
|
||||
Dim Letzter_isttemp As Single ' Messwert davor
|
||||
Dim Disp_volt1 As String * 10 ' zur LCD-Anzeige
|
||||
Dim Disp_templm35 As String * 10 ' zur LCD-Anzeige
|
||||
|
||||
Dim Adc2 As Word ' nicht benötigt
|
||||
|
||||
Dim Adc3 As Word ' Wert vom ADC vom IRF510
|
||||
Dim Volt3 As Single ' Volt vom IRF510
|
||||
Dim Strom As Single ' Strom vom IRF510
|
||||
Dim Disp_strom As String * 10 ' zur LCD-Anzeige
|
||||
|
||||
Dim Solltemp As Single ' Vorgabe der maximal zulässigen Temperatur
|
||||
Dim Disp_solltemp As String * 10 ' zur LCD-Anzeige
|
||||
|
||||
Dim I As Integer ' Zähler / Schleife
|
||||
|
||||
Declare Sub Adc_in
|
||||
Declare Sub Regeln
|
||||
Declare Sub Anzeigen
|
||||
Declare Sub Tasten
|
||||
|
||||
Config Lcdbus = 4
|
||||
Config Lcd = 16 * 2
|
||||
'Config Lcd = 20 * 4
|
||||
Config Lcdpin = Pin , Db4 = Portd.4 , Db5 = Portd.5 , Db6 = Portd.6 , Db7 = Portd.7 , E = Portd.3 , Rs = Portd.2
|
||||
|
||||
Config Portb = Output
|
||||
Config Timer1 = Pwm , Pwm = 10 , Compare A Pwm = Clear Down , Prescale = 1
|
||||
|
||||
|
||||
' Tasten zur Einstellung der Solltemperatur
|
||||
Taste_up Alias Pinc.4
|
||||
Taste_dn Alias Pinc.5
|
||||
Dim Tasteup As Integer
|
||||
Dim Tastedn As Integer
|
||||
|
||||
Config Pinc.0 = Input
|
||||
Config Pinc.1 = Input
|
||||
Config Pinc.2 = Input
|
||||
Config Pinc.3 = Input
|
||||
Config Pinc.4 = Input
|
||||
Set Portc.4
|
||||
Config Pinc.5 = Input
|
||||
Set Portc.5
|
||||
|
||||
|
||||
Config Adc = Single , Prescaler = Auto , Reference = Avcc
|
||||
|
||||
' Led
|
||||
Ledgruen Alias Portd.0
|
||||
Ledrot Alias Portd.1
|
||||
Config Portd.0 = Output
|
||||
Config Portd.1 = Output
|
||||
|
||||
|
||||
|
||||
Dim Dynamikgrenze_oben As Single
|
||||
Dim Dynamikgrenze_unten As Single
|
||||
|
||||
Dim Toleranzgrenze_oben As Single ' in den Toleranzgrenzem wired nicht geregelt
|
||||
Dim Toleranzgrenze_unten As Single
|
||||
|
||||
Dim Pausenzeit As Single ' Pause zwischen den Regelungen
|
||||
Dim Pausenzeit_int As Integer
|
||||
Dim Pausenzeit_max As Single ' max. zulässige Pausenzeit
|
||||
Dim Pausenzeit_faktor As Single
|
||||
|
||||
Dim Schrittweite As Single ' um diesen Betrag wird PWM korrigiert
|
||||
Dim Schrittweite_int As Integer
|
||||
Dim Schrittweite_faktor As Single
|
||||
|
||||
Dim Pwmwert As Integer ' 10-Bit PWM (0...1023)
|
||||
|
||||
Dim Differenz As Single
|
||||
|
||||
' ------------------------------------------------------------------------------
|
||||
' ----------------------- Initialisierung der Variablen ------------------------
|
||||
' ------------------------------------------------------------------------------
|
||||
|
||||
'Solltemperatur (max, zulässige Temperatur)
|
||||
Solltemp = 28
|
||||
|
||||
Toleranzgrenze_oben = Solltemp + 1
|
||||
Toleranzgrenze_unten = Solltemp - 1
|
||||
|
||||
Dynamikgrenze_oben = Toleranzgrenze_oben + 10
|
||||
Dynamikgrenze_unten = Toleranzgrenze_unten - 10
|
||||
|
||||
Pausenzeit = 25 ' zu Beginn mittlere Pausenzeit einstellen (2 Sek.)
|
||||
Pausenzeit_faktor = 1 ' Multiplikator für die Bestimmung der Pausenzeit
|
||||
Pausenzeit_max = 50 ' z.B. 50 * 1/10 Sek. = 5 Sekunden
|
||||
|
||||
Schrittweite = 50 ' Anfangswert
|
||||
Schrittweite_int = 50 ' Anfangswert
|
||||
Schrittweite_faktor = 10 '
|
||||
|
||||
Disable Interrupts
|
||||
|
||||
' ------------------------------------------------------------------------------
|
||||
' Beginn Programm
|
||||
' ------------------------------------------------------------------------------
|
||||
|
||||
|
||||
Reset Ledgruen ' grüne LED einschalten
|
||||
|
||||
Call Adc_in
|
||||
|
||||
'Pwm1a = 0 ' Motor aus
|
||||
Pwmwert = 500
|
||||
Pwm1a = Pwmwert ' Motor max ein
|
||||
Cursor Off
|
||||
Cls
|
||||
Locate 1 , 4
|
||||
Lcd "Luefter 1.4"
|
||||
Wait 5 ' Lüfter anlaufen lassen
|
||||
Cls
|
||||
|
||||
Do
|
||||
Call Adc_in
|
||||
Call Tasten
|
||||
Call Anzeigen
|
||||
Call Regeln
|
||||
Loop
|
||||
|
||||
|
||||
|
||||
' ADC lesen
|
||||
Sub Adc_in
|
||||
Start Adc
|
||||
Letzter_isttemp = Isttemp ' letzten Messwert merken
|
||||
|
||||
Adc0 = Getadc(0) ' NTC
|
||||
Adc1 = Getadc(1) ' LM35
|
||||
Adc2 = Getadc(2) ' nix
|
||||
Adc3 = Getadc(3) ' für Strom IRF510
|
||||
|
||||
Volt0 = Adc0 * Const5 ' NTC
|
||||
Volt1 = Adc1 * Const5 ' LM35
|
||||
Templm35 = Volt1 * 100 ' in Celsius umrechnen (10mV je Grad über Null)
|
||||
Isttemp = Templm35 ' aktuelle Temperatur am LM35
|
||||
|
||||
Volt3 = Adc3 * Const5 ' Strom durch den IRF510 berechnen
|
||||
'Strom = Volt3 / 2.7 ' I = U / R R=2,7 Ohm
|
||||
Strom = Volt3 ' I = U / R R=1 Ohm
|
||||
Strom = Strom * 1000 ' Ampere in mA
|
||||
Stop Adc
|
||||
End Sub
|
||||
|
||||
|
||||
|
||||
|
||||
Sub Regeln
|
||||
|
||||
' Pausenzeit außerhalb Dynamikbereichs einstellen
|
||||
If Isttemp > Dynamikgrenze_oben Then
|
||||
Pausenzeit = 0 ' kürzest mögliche Pause
|
||||
End If ' dann schnell regeln
|
||||
|
||||
' Temperatur unterhalb Solltemperatur
|
||||
If Isttemp <= Solltemp Then ' Temp ist kälter als erlaubt
|
||||
If Isttemp < Toleranzgrenze_unten Then ' unterhalb Toleranzgrenze ?
|
||||
Pwmwert = Pwmwert - Schrittweite_int ' versuchen, ob Lüfter leiser werden kann
|
||||
If Pwmwert < 0 Then
|
||||
Pwmwert = 0
|
||||
End If
|
||||
End If
|
||||
Pwm1a = Pwmwert
|
||||
End If ' endif isttemp < solltemp
|
||||
|
||||
' Bereich oberhalb Solltemperatur
|
||||
If Isttemp > Toleranzgrenze_oben Then ' Temp zu hoch, PWM-Wert steigern
|
||||
' Schrittweite berechnen, um die der PWM-Wert korrigiert wird
|
||||
Schrittweite = Isttemp - Solltemp
|
||||
Schrittweite = Schrittweite * Schrittweite_faktor
|
||||
Schrittweite_int = Round(schrittweite)
|
||||
If Schrittweite_int < 1 Then
|
||||
Schrittweite_int = 1
|
||||
End If
|
||||
|
||||
If Isttemp > Letzter_isttemp Then
|
||||
Pwmwert = Pwmwert + Schrittweite_int
|
||||
End If
|
||||
|
||||
If Isttemp < Letzter_isttemp Then
|
||||
Pwmwert = Pwmwert - Schrittweite_int
|
||||
End If
|
||||
|
||||
If Isttemp = Letzter_isttemp Then
|
||||
Pwmwert = Pwmwert + 10
|
||||
End If
|
||||
|
||||
If Pwmwert > 1023 Then
|
||||
Pwmwert = 1023
|
||||
End If
|
||||
|
||||
If Pwmwert < 0 Then
|
||||
Pwmwert = 0
|
||||
End If
|
||||
|
||||
Pwm1a = Pwmwert ' PWM des Motors steuern
|
||||
|
||||
If Isttemp < Dynamikgrenze_oben Then ' im Regelbereich, in dem die Pausenzeit angepasst wird ?
|
||||
Set Ledrot ' rote LED aus
|
||||
' Pausenzeit berechnen für (Toleranzgrenze oben < x < Dynamikgrenze oben)
|
||||
Differenz = Dynamikgrenze_oben - Isttemp
|
||||
Pausenzeit = Pausenzeit_max / Differenz
|
||||
Pausenzeit = Pausenzeit * Pausenzeit_faktor
|
||||
If Pausenzeit > Pausenzeit_max Then
|
||||
Pausenzeit = Pausenzeit_max
|
||||
End If
|
||||
' nun steht in Pausenzeit die Pausenzeit 1/10 Sekunden
|
||||
End If
|
||||
End If ' if Toleranzgrenze_oben < Isttemp
|
||||
|
||||
|
||||
If Isttemp > Dynamikgrenze_oben Then ' Ist > als Dynamikgrenze oben, also SEHR hoch
|
||||
Reset Ledrot ' warnen
|
||||
Pausenzeit = 0
|
||||
End If
|
||||
|
||||
Pausenzeit_int = Round(pausenzeit) ' Pausenzeit (SINGLE) in INTEGER wandeln
|
||||
|
||||
' Pausenzeit vergehen lassen
|
||||
If Pausenzeit_int > 0 Then
|
||||
For I = 0 To Pausenzeit_int
|
||||
Waitms 100 ' Zeit verplempern in Einheiten von 1/10 Sekunde
|
||||
Call Tasten
|
||||
Next I
|
||||
End If
|
||||
|
||||
|
||||
End Sub
|
||||
|
||||
|
||||
|
||||
Sub Anzeigen
|
||||
' Disp_volt0 = Fusing(volt0 , "#.###")
|
||||
' Disp_volt1 = Fusing(volt1 , "#.###")
|
||||
Disp_templm35 = Fusing(templm35 , "##.#")
|
||||
Disp_strom = Fusing(strom , "###.#")
|
||||
Disp_solltemp = Fusing(solltemp , "###.#")
|
||||
|
||||
' LCD zweizeilig je 16 Zeichen
|
||||
Locate 1 , 1
|
||||
Lcd Disp_templm35 ; " C "
|
||||
Locate 1 , 7
|
||||
Lcd " Soll:" ; Disp_solltemp ; " "
|
||||
Locate 2 , 1
|
||||
Lcd Disp_strom ; "mA ";
|
||||
Locate 2 , 9
|
||||
Lcd "Pwm:" ; Pwmwert ; " "
|
||||
|
||||
' LCD vierzeilig je 20 Zeilen
|
||||
'Locate 2 , 2
|
||||
'Lcd "NTC " ; Disp_volt0 ; " V "
|
||||
'Locate 3 , 2
|
||||
'Lcd "LM35 " ; Disp_templm35 ; " C "
|
||||
'Locate 4 , 2
|
||||
'Lcd "IRF510 " ; Disp_strom ; " mA ";
|
||||
'Lcd "Pwm:" ; Pwmwert ; " "
|
||||
'Locate 4 , 11
|
||||
'Lcd " Sw:" ; Schrittweite_int ; " "
|
||||
|
||||
End Sub
|
||||
|
||||
|
||||
|
||||
Sub Tasten
|
||||
|
||||
|
||||
Tasteup = Taste_up
|
||||
Tastedn = Taste_dn
|
||||
|
||||
If Tasteup = 0 Then
|
||||
Solltemp = Solltemp + 1
|
||||
Waitms 300
|
||||
End If
|
||||
|
||||
If Tastedn = 0 Then
|
||||
Solltemp = Solltemp - 1
|
||||
Waitms 300
|
||||
End If
|
||||
If Solltemp < 1 Then
|
||||
Solltemp = 1
|
||||
End If
|
||||
|
||||
End Sub
|
||||
|
BIN
Luefter_Software_V3/LUEFTER3.BIN
Normal file
BIN
Luefter_Software_V3/LUEFTER3.BIN
Normal file
Binary file not shown.
277
Luefter_Software_V3/LUEFTER3.HEX
Normal file
277
Luefter_Software_V3/LUEFTER3.HEX
Normal file
@ -0,0 +1,277 @@
|
||||
:1000000012C0189518951895189518951895189563
|
||||
:100010001895189518951895189518951895189578
|
||||
:100020001895189518958FE58DBFC0E4E0E44E2E25
|
||||
:1000300084E08EBFD4E0F4E05F2EEEEFF3E0A0E6C4
|
||||
:10004000B0E088278D933197E9F7E7D366248FEFE7
|
||||
:1000500087BBB99A83E88FBD81E08EBDA098A19837
|
||||
:10006000A298A398A498AC9AA598AD9A86E086B970
|
||||
:1000700080E487B980B7806180BF889A899AE6E971
|
||||
:10008000F0E088E416D458E0C895802D0CD4319661
|
||||
:100090005A95D1F704C00E0A0E2020202020E6EB4E
|
||||
:1000A000F0E080E506D458E0C895802DFCD3319669
|
||||
:1000B0005A95D1F704C0040A150404040404E6EDBB
|
||||
:1000C000F0E088E5F6D358E0C895802DECD3319662
|
||||
:1000D0005A95D1F704C00404040404150A048CE002
|
||||
:1000E000E8D384E690E011D4A2ECB0E0EAEDF0E1D0
|
||||
:1000F0005FD3ACECB0E0EEEDF0E15AD3A8ECB0E0A9
|
||||
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||||
:100FF0008823E1F7089594E081918D939A95E1F724
|
||||
:101000000895E199FECFEEBBFFBB3196089591E0C4
|
||||
:1010100001C092E07B3751F47FB7F894F2DF8D91F5
|
||||
:101020008DBBE29AE19A9A95C9F77FBF7727089519
|
||||
:1010300091E001C092E0E5DFE09A8DB38D939A953F
|
||||
:10104000D1F7089597DD80E003C094DD802F80788C
|
||||
:10105000882321F0DF92EF92FF920F938F9394DD1C
|
||||
:10106000802F839512F42ADE1BC080958A95885EB6
|
||||
:101070000AF415C088501AF40CD0D92210C0DD240F
|
||||
:1010800088501AF406D0E9220AC0EE2402D0F922D0
|
||||
:1010900006C09FEF8770990F8A95EAF7089586DD5D
|
||||
:1010A0008F918823D9F35F914F913F912F910F93A7
|
||||
:1010B000CBDE0F9199F390F302D0506861CE5FE3DD
|
||||
:1010C00040E833272227089555DD0F930F7752DE2E
|
||||
:1010D000BDDF8F918078082B08950000C841000083
|
||||
:1010E000803F00004842000020410000F041000025
|
||||
:1010F000A03B0000C8429A99993F00007A44000042
|
||||
:1011000000000000C642000080404C7565667465B2
|
||||
:10111000722050574D2056330000493A00004300DA
|
||||
:1011200020533A0020006D412020000050776D3A96
|
||||
:021130000000BD
|
||||
:00000001FF
|
3
Luefter_Software_V3/_a_luefter3.bat
Normal file
3
Luefter_Software_V3/_a_luefter3.bat
Normal file
@ -0,0 +1,3 @@
|
||||
rem Internal RC-OSC wird auf 8 MHz eingestellt
|
||||
avrdude -p m8 -c stk200 -U flash:w:luefter3.hex -U lfuse:w:0xE4:m
|
||||
|
BIN
Luefter_Software_V3/lcd_anzeige.gif
Normal file
BIN
Luefter_Software_V3/lcd_anzeige.gif
Normal file
Binary file not shown.
After Width: | Height: | Size: 4.3 KiB |
16
Luefter_Software_V3/liesmich_luefter3.txt
Normal file
16
Luefter_Software_V3/liesmich_luefter3.txt
Normal file
@ -0,0 +1,16 @@
|
||||
|
||||
In Luefter3.bas gibt es folgende Erweiterungen
|
||||
|
||||
- Erweiterung der Darstellung auf dem LCD
|
||||
- Anzeige des Grad-Celsius-Symbols
|
||||
- Anzeige des Temperatur-Trends mit Pfeil oben/unten
|
||||
|
||||
- Speichern der Solltemperatur im EEPROM nach Ändern derselben
|
||||
|
||||
- Beim Start: Lesen der Solltemperatur aus dem EEPROM
|
||||
|
||||
- Umstellung von 1 MHz auf 8 Mhz Prozessortakt
|
||||
bedeutet: Fusebits entsprechend setzen bei der Programmierung
|
||||
für avrdude liegt eine Batch-Datei anbei, die ndas erledigt
|
||||
|
||||
|
335
Luefter_Software_V3/luefter3.bas
Normal file
335
Luefter_Software_V3/luefter3.bas
Normal file
@ -0,0 +1,335 @@
|
||||
'******************************************************************************
|
||||
'PWM Lueftersteuerung 17.07.2009
|
||||
'Luefter_V3 - Erweiterungen: Matthias Foth
|
||||
'
|
||||
'Sollwert wird im EEPROM gespeichert
|
||||
'
|
||||
'Atmel Controller ATmega8
|
||||
'AVCC Pin20 an +5V
|
||||
'AREF Pin21 an +5V
|
||||
'AGND Pin22 an GND
|
||||
'
|
||||
'Temperatur- Sensor LM35 an PC1
|
||||
'Taster "Down" an PC5
|
||||
'Taster "UP" an PC4
|
||||
'LCD 16x2 an Port D
|
||||
'LED grün an PD0
|
||||
'LED rot an PD1
|
||||
'IRF510 an PB1
|
||||
'******************************************************************************
|
||||
|
||||
'$sim
|
||||
|
||||
$regfile = "m8def.dat" ' ATMega8
|
||||
$crystal = 8000000 ' 8 MHz intern
|
||||
'$crystal = 1000000 ' 1 MHz intern
|
||||
|
||||
Const Const5 = 0.0048828125 ' 5V / 1024 (10-Bit-ADC)
|
||||
|
||||
Dim Adc1 As Word ' Wert vom LM35
|
||||
Dim Volt1 As Single ' Volt vom LM35
|
||||
Dim Templm35 As Single ' Temperatur (celsius) von LM35
|
||||
Dim Isttemp As Single ' aktuelle Temperatur in Celsius
|
||||
Dim Letzter_isttemp As Single ' Messwert davor
|
||||
Dim Disp_volt1 As String * 10 ' zur LCD-Anzeige
|
||||
Dim Disp_templm35 As String * 10 ' zur LCD-Anzeige
|
||||
|
||||
Dim Adc3 As Word ' Wert vom ADC vom IRF510
|
||||
Dim Volt3 As Single ' Volt vom IRF510
|
||||
Dim Strom As Single ' Strom vom IRF510
|
||||
Dim Disp_strom As String * 10 ' zur LCD-Anzeige
|
||||
|
||||
Dim Solltemp As Single ' Vorgabe der maximal zulässigen Temperatur
|
||||
Dim Disp_solltemp As String * 10 ' zur LCD-Anzeige
|
||||
|
||||
Dim I As Integer ' Zähler / Schleife
|
||||
|
||||
Dim E_solltemp As Eram Single 'EEPROM Variable
|
||||
Dim Eramempty As Eram Byte 'Flag wenn EEPROM noch leer ist
|
||||
|
||||
Declare Sub Adc_in
|
||||
Declare Sub Regeln
|
||||
Declare Sub Anzeigen
|
||||
Declare Sub Tasten
|
||||
|
||||
Config Lcdbus = 4
|
||||
Config Lcd = 16 * 2
|
||||
Config Lcdpin = Pin , Db4 = Portd.4 , Db5 = Portd.5 , Db6 = Portd.6 , Db7 = Portd.7 , E = Portd.3 , Rs = Portd.2
|
||||
|
||||
Config Portb = Output
|
||||
Config Timer1 = Pwm , Pwm = 10 , Compare A Pwm = Clear Down , Prescale = 1
|
||||
|
||||
|
||||
Taste_up Alias Pinc.4
|
||||
Taste_dn Alias Pinc.5
|
||||
Dim Tasteup As Integer
|
||||
Dim Tastedn As Integer
|
||||
|
||||
Config Pinc.0 = Input
|
||||
Config Pinc.1 = Input
|
||||
Config Pinc.2 = Input
|
||||
Config Pinc.3 = Input
|
||||
Config Pinc.4 = Input
|
||||
Set Portc.4
|
||||
Config Pinc.5 = Input
|
||||
Set Portc.5
|
||||
|
||||
|
||||
Config Adc = Single , Prescaler = Auto , Reference = Avcc
|
||||
Set Sfior.adhsm 'ADC high speed mode ATmega8
|
||||
|
||||
Config Portd.0 = Output
|
||||
Config Portd.1 = Output
|
||||
Ledgruen Alias Portd.0
|
||||
Ledrot Alias Portd.1
|
||||
|
||||
Deflcdchar 1 , 14 , 10 , 14 , 32 , 32 , 32 , 32 , 32 ' creating ° Symbol for Degree Centigrade
|
||||
'Deflcdchar 1 , 24 , 24 , 3 , 4 , 4 , 4 , 4 , 3 'creating "°C" character (1)
|
||||
'Deflcdchar 1 , 24 , 24 , 32 , 3 , 4 , 4 , 4 , 3 'creating "°C" character (1)
|
||||
Deflcdchar 2 , 4 , 10 , 21 , 4 , 4 , 4 , 4 , 4 'creating "arrow top" char (2)
|
||||
Deflcdchar 3 , 4 , 4 , 4 , 4 , 4 , 21 , 10 , 4 'creating "arrow down" char (3)
|
||||
Cursor Off
|
||||
Waitms 100
|
||||
|
||||
Dim Dynamikgrenze_oben As Single
|
||||
Dim Dynamikgrenze_unten As Single
|
||||
|
||||
Dim Toleranzgrenze_oben As Single ' in den Toleranzgrenzem wired nicht geregelt
|
||||
Dim Toleranzgrenze_unten As Single
|
||||
|
||||
Dim Pausenzeit As Single ' Pause zwischen den Regelungen
|
||||
Dim Pausenzeit_int As Integer
|
||||
Dim Pausenzeit_max As Single ' max. zulässige Pausenzeit
|
||||
Dim Pausenzeit_faktor As Single
|
||||
|
||||
Dim Schrittweite As Single ' um diesen Betrag wird PWM korrigiert
|
||||
Dim Schrittweite_int As Integer
|
||||
Dim Schrittweite_faktor As Single
|
||||
|
||||
Dim Pwmwert As Integer ' 10-Bit PWM (0...1023)
|
||||
|
||||
Dim Differenz As Single
|
||||
|
||||
Const Eramemptymask = 255 'If EEprom is empty it contains 255
|
||||
Const Eramfilledmask = 170 'If EEprom is filled it contains 170
|
||||
|
||||
' ------------------------------------------------------------------------------
|
||||
' ----------------------- Initialisierung der Variablen ------------------------
|
||||
' ------------------------------------------------------------------------------
|
||||
|
||||
Pausenzeit = 25 ' zu Beginn mittlere Pausenzeit einstellen (2 Sek.)
|
||||
Pausenzeit_faktor = 1 ' Multiplikator für die Bestimmung der Pausenzeit
|
||||
Pausenzeit_max = 50 ' z.B. 50 * 1/10 Sek. = 5 Sekunden
|
||||
|
||||
Schrittweite = 50 ' Anfangswert
|
||||
Schrittweite_int = 50 ' Anfangswert
|
||||
Schrittweite_faktor = 10 '
|
||||
|
||||
'-------------------------------------------------------------------------------
|
||||
' EEprom operations
|
||||
'-------------------------------------------------------------------------------
|
||||
|
||||
If Eramempty = Eramemptymask Then 'Default settings
|
||||
E_solltemp = 30 'Solltemp im EEPROM speichern
|
||||
Eramempty = Eramfilledmask
|
||||
End If
|
||||
|
||||
Solltemp = E_solltemp 'Daten aus EEPROM lesen
|
||||
Waitms 500 'warte 500ms
|
||||
|
||||
Disable Interrupts
|
||||
|
||||
' ------------------------------------------------------------------------------
|
||||
' Beginn Programm
|
||||
' ------------------------------------------------------------------------------
|
||||
|
||||
Set Ledgruen ' grüne LED aus
|
||||
Set Ledrot 'rote LED aus
|
||||
|
||||
Call Adc_in 'Analogwerte erstmals abfragen
|
||||
|
||||
Pwmwert = 500
|
||||
Pwm1a = Pwmwert ' Lüfter halbe Kraft voraus
|
||||
Cursor Off
|
||||
Cls
|
||||
Locate 1 , 2
|
||||
Lcd "Luefter PWM V3"
|
||||
Wait 5
|
||||
Cls
|
||||
|
||||
Do
|
||||
Set Ledgruen 'LED grün aus
|
||||
Call Adc_in
|
||||
Call Tasten
|
||||
Call Anzeigen
|
||||
Call Regeln
|
||||
Reset Ledgruen 'LED grün an
|
||||
Waitms 100
|
||||
Loop
|
||||
|
||||
End 'end program
|
||||
|
||||
'-------------------------------------------------------------------------------
|
||||
|
||||
Sub Adc_in ' ADC lesen
|
||||
|
||||
Start Adc
|
||||
Letzter_isttemp = Isttemp ' letzten Messwert merken
|
||||
|
||||
Adc1 = Getadc(1) ' LM35
|
||||
Adc3 = Getadc(3) ' für Strom IRF510
|
||||
|
||||
Volt1 = Adc1 * Const5 ' LM35
|
||||
Templm35 = Volt1 * 100 ' in Celsius umrechnen (10mV je Grad über Null)
|
||||
Isttemp = Templm35 ' aktuelle Temperatur am LM35
|
||||
|
||||
Volt3 = Adc3 * Const5 ' Strom durch den IRF510 berechnen
|
||||
Strom = Volt3 / 1.2 ' I = U / R R=1,2 Ohm
|
||||
Strom = Strom * 1000 ' Ampere in mA
|
||||
Stop Adc
|
||||
|
||||
End Sub
|
||||
|
||||
|
||||
Sub Regeln
|
||||
|
||||
' Pausenzeit außerhalb Dynamikbereichs einstellen
|
||||
If Isttemp > Dynamikgrenze_oben Then
|
||||
Pausenzeit = 0 ' kürzest mögliche Pause
|
||||
End If ' dann schnell regeln
|
||||
|
||||
' Temperatur unterhalb Solltemperatur
|
||||
If Isttemp <= Solltemp Then ' Temp ist kälter als erlaubt
|
||||
Locate 1 , 9
|
||||
Lcd Chr(3)
|
||||
If Isttemp < Toleranzgrenze_unten Then ' unterhalb Toleranzgrenze ?
|
||||
Pwmwert = Pwmwert - Schrittweite_int ' versuchen, ob Lüfter leiser werden kann
|
||||
If Pwmwert < 0 Then
|
||||
Pwmwert = 0
|
||||
End If
|
||||
End If
|
||||
Pwm1a = Pwmwert
|
||||
End If ' endif isttemp < solltemp
|
||||
|
||||
' Bereich oberhalb Solltemperatur
|
||||
If Isttemp > Toleranzgrenze_oben Then ' Temp zu hoch, PWM-Wert steigern
|
||||
Locate 1 , 9
|
||||
Lcd Chr(2)
|
||||
' Schrittweite berechnen, um die der PWM-Wert korrigiert wird
|
||||
Schrittweite = Isttemp - Solltemp
|
||||
Schrittweite = Schrittweite * Schrittweite_faktor
|
||||
Schrittweite_int = Round(schrittweite)
|
||||
If Schrittweite_int < 1 Then
|
||||
Schrittweite_int = 1
|
||||
End If
|
||||
|
||||
If Isttemp > Letzter_isttemp Then
|
||||
Pwmwert = Pwmwert + Schrittweite_int
|
||||
End If
|
||||
|
||||
If Isttemp < Letzter_isttemp Then
|
||||
Pwmwert = Pwmwert - Schrittweite_int
|
||||
End If
|
||||
|
||||
If Isttemp = Letzter_isttemp Then
|
||||
Pwmwert = Pwmwert + 10
|
||||
End If
|
||||
|
||||
If Pwmwert > 1023 Then
|
||||
Pwmwert = 1023
|
||||
End If
|
||||
|
||||
If Pwmwert < 0 Then
|
||||
Pwmwert = 0
|
||||
End If
|
||||
|
||||
Pwm1a = Pwmwert ' PWM des Motors steuern
|
||||
|
||||
If Isttemp < Dynamikgrenze_oben Then ' im Regelbereich, in dem die Pausenzeit angepasst wird
|
||||
Set Ledrot ' rote LED aus
|
||||
' Pausenzeit berechnen für (Toleranzgrenze oben < x < Dynamikgrenze oben)
|
||||
Differenz = Dynamikgrenze_oben - Isttemp
|
||||
Pausenzeit = Pausenzeit_max / Differenz
|
||||
Pausenzeit = Pausenzeit * Pausenzeit_faktor
|
||||
If Pausenzeit > Pausenzeit_max Then
|
||||
Pausenzeit = Pausenzeit_max
|
||||
End If
|
||||
' nun steht in Pausenzeit die Pausenzeit 1/10 Sekunden
|
||||
End If
|
||||
End If ' if Toleranzgrenze_oben < Isttemp
|
||||
|
||||
|
||||
If Isttemp > Dynamikgrenze_oben Then ' Ist > als Dynamikgrenze oben, also SEHR hoch
|
||||
Reset Ledrot ' warnen
|
||||
Pausenzeit = 0
|
||||
End If
|
||||
|
||||
Pausenzeit_int = Round(pausenzeit) ' Pausenzeit (SINGLE) in INTEGER wandeln
|
||||
|
||||
|
||||
If Pausenzeit_int > 0 Then ' Pausenzeit vergehen lassen
|
||||
For I = 0 To Pausenzeit_int
|
||||
Waitms 100 ' Zeit verplempern in Einheiten von 1/10 Sekunde
|
||||
Call Tasten
|
||||
Next I
|
||||
End If
|
||||
|
||||
End Sub
|
||||
|
||||
|
||||
Sub Anzeigen
|
||||
|
||||
Disp_templm35 = Fusing(templm35 , "##.#")
|
||||
Disp_strom = Fusing(strom , "###.#")
|
||||
Disp_solltemp = Fusing(solltemp , "###.#")
|
||||
|
||||
Locate 1 , 1 ' LCD 2x16
|
||||
Lcd "I:" ; Disp_templm35 ;
|
||||
Lcd Chr(1) ; "C";
|
||||
Locate 1 , 10
|
||||
Lcd " S:" ; Disp_solltemp ; " "
|
||||
Locate 2 , 1
|
||||
Lcd Disp_strom ; "mA "
|
||||
Locate 2 , 9
|
||||
Lcd "Pwm:" ; Pwmwert ; " "
|
||||
|
||||
End Sub
|
||||
|
||||
|
||||
|
||||
Sub Tasten
|
||||
|
||||
Tasteup = Taste_up
|
||||
Tastedn = Taste_dn
|
||||
|
||||
If Tasteup = 0 Then
|
||||
Incr Solltemp
|
||||
E_solltemp = Solltemp
|
||||
Reset Ledrot
|
||||
Waitms 300
|
||||
Set Ledrot
|
||||
End If
|
||||
|
||||
If Tastedn = 0 Then
|
||||
Decr Solltemp
|
||||
E_solltemp = Solltemp
|
||||
Reset Ledrot
|
||||
Waitms 300
|
||||
Set Ledrot
|
||||
End If
|
||||
|
||||
If Solltemp < 1 Then
|
||||
Solltemp = 1
|
||||
End If
|
||||
|
||||
If Solltemp > 99 Then
|
||||
Solltemp = 99
|
||||
End If
|
||||
|
||||
Toleranzgrenze_oben = Solltemp + 1
|
||||
Toleranzgrenze_unten = Solltemp - 1
|
||||
|
||||
Dynamikgrenze_oben = Toleranzgrenze_oben + 4
|
||||
Dynamikgrenze_unten = Toleranzgrenze_unten - 4
|
||||
|
||||
End Sub
|
BIN
schaltbild.pdf
Normal file
BIN
schaltbild.pdf
Normal file
Binary file not shown.
5884
schaltbild.ps
Normal file
5884
schaltbild.ps
Normal file
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user