DEBOUNCE/de - Revision history

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Beispiel

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Beispiel

Stefanhamburg: /* Beispiel */

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Beispiel

Stefanhamburg: /* Example */

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Example

Stefanhamburg: /* See also */

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Stefanhamburg: /* Remarks */

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Remarks

Stefanhamburg: /* (COPIED FROM ENGLISH PAGE) = */

2013-03-04T22:52:23Z

(**COPIED FROM ENGLISH PAGE**) =

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2013-02-15T19:14:08Z

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Admin: Created page with "= Action = Debounce a port pin connected to a switch. ..."

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Created page with "= Action = Debounce a port pin connected to a switch. ..."

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== (**COPIED FROM ENGLISH PAGE**) === Action =

Debounce a port pin connected to a switch.

 

 

= Syntax =

DEBOUNCE Px.y , state , label [ , SUB]

 

 

= Remarks =
<div style="padding: 0px; margin: 0px 0px 0px 4px;">
{| width="563" cellspacing="0" cellpadding="1" border="1" style="border: 2px solid rgb(0, 0, 0); border-spacing: 0px; border-collapse: collapse;"
|- style="vertical-align: top;"
| valign="top" width="15%" style="width: 81px; height: 16px; border: 1px solid rgb(0, 0, 0);" |
Px.y

| valign="top" width="87%" style="width: 473px; height: 16px; border: 1px solid rgb(0, 0, 0);" |
A port pin like PINB.0 , to examine.

|- style="vertical-align: top;"
| valign="top" width="15%" style="width: 81px; border: 1px solid rgb(0, 0, 0);" |
State

| valign="top" width="87%" style="width: 473px; border: 1px solid rgb(0, 0, 0);" |
0 for jumping when PINx.y is low , 1 for jumping when PINx.y is high

|- style="vertical-align: top;"
| valign="top" width="15%" style="width: 81px; border: 1px solid rgb(0, 0, 0);" |
Label

| valign="top" width="87%" style="width: 473px; border: 1px solid rgb(0, 0, 0);" |
The label to GOTO when the specified state is detected

|- style="vertical-align: top;"
| valign="top" width="15%" style="width: 81px; border: 1px solid rgb(0, 0, 0);" |
SUB

| valign="top" width="87%" style="width: 473px; border: 1px solid rgb(0, 0, 0);" |
The label to GOSUB when the specified state is detected

|}
</div>
 

When you specify the optional parameter SUB, a GOSUB to label is performed instead of a GOTO.

 

The DEBOUNCE statement tests the condition of the specified pin and if true there will be a delay for 25 mS and the condition will be checked again. (eliminating bounce of a switch)

 

When the condition is still true and there was no branch before, it branches to specified the label.

 

When the condition is not true, or the logic level on the pin is not of the specified level, the code on the next line will be executed.

 

When DEBOUNCE is executed again, the state of the switch must have gone back in the original position before it can perform another branch. So if you are waiting for a pin to go low, and the pin goes low, the pin must change to high, before a new low level will result in another branch.

 

Each DEBOUNCE statement, which uses a different port, uses 1 BIT of the internal memory to hold its state. And as the bits are stored in SRAM, it means that even while you use only 1 pin/bit, a byte is used for storage of the bit.

 

DEBOUNCE will not wait for the input value to met the specified condition. You need to use BITWAIT if you want to wait until a bit will have a certain value.

 

So DEBOUNCE will not halt your program while a BITWAIT can halt your program if the bit will never have the specified value. You can combine BITWAIT and DEBOUNCE statements by preceding a DEBOUNCE with a BITWAIT statement.

 

 

= See also =

[[CONFIG DEBOUNCE|CONFIG DEBOUNCE]] , [[BITWAIT]]

 

 

= Example =

 <source lang="bascomavr">
'-----------------------------------------------------------------------------------------
'name : deboun.bas
'copyright : (c) 1995-2005, MCS Electronics
'purpose : demonstrates DEBOUNCE
'micro : Mega48
'suited for demo : yes
'commercial addon needed : no
'-----------------------------------------------------------------------------------------

$regfile = "m48def.dat" ' specify the used micro
$crystal = 4000000 ' used crystal frequency
$baud = 19200 ' use baud rate
$hwstack = 32 ' default use 32 for the hardware stack
$swstack = 10 ' default use 10 for the SW stack
$framesize = 40 ' default use 40 for the frame space

Config Debounce = 30 'when the config statement is not used a default of 25mS will be used but we override to use 30 mS

'Debounce Pind.0 , 1 , Pr 'try this for branching when high(1)
Debounce Pind.0 , 0 , Pr , Sub
Debounce Pind.0 , 0 , Pr , Sub
' ^----- label to branch to
' ^---------- Branch when P1.0 goes low(0)
' ^---------------- Examine P1.0

'When Pind.0 goes low jump to subroutine Pr
'Pind.0 must go high again before it jumps again
'to the label Pr when Pind.0 is low

Debounce Pind.0 , 1 , Pr 'no branch
Debounce Pind.0 , 1 , Pr 'will result in a return without gosub
End

Pr:
Print "PIND.0 was/is low"
Return
</source> {{Languages}}

[[Category:BASCOM Language Reference/de]]

@@ Line 105: / Line 105: @@
 '-----------------------------------------------------------------------------------------
-$regfile = "m48def.dat" ' specify the used micro
+$regfile = "m48def.dat" ' Mikrocontroller
 $crystal = 4000000 ' Taktfrequenz
 $baud = 19200 ' Baudrate

@@ Line 119: / Line 119: @@
 Debounce Pind.0 , 0 , Pr , Sub
 '                      ^----- Sprungmarke
-'                  ^---------- Springen wenn P1.0 auf low (0) geht
+'                  ^---------- Springen wenn Pind.0 auf low (0) geht
-'          ^----------------  P1.0 untersuchen
+'          ^----------------  Pind.0 untersuchen
 'Wennn Pind.0 auf low geht dann zum Unterprogramm Pr springen

@@ Line 130: / Line 130: @@
 Pr:
-Print "PIND.0 was/is low"
+Print "PIND.0 war/ist low"
 Return
 </source><br/>{{Languages}}
 [[Category:BASCOM Language Reference/de]]

@@ Line 85: / Line 85: @@
 <span style="font-family: Arial;">&nbsp;</span>
-= <span class="f_Header">See also</span> =
+= <span class="f_Header">Siehe auch</span> =
 [[CONFIG DEBOUNCE|CONFIG DEBOUNCE]]&nbsp;,&nbsp;[[BITWAIT]]

@@ Line 1: / Line 1: @@
-== (**COPIED FROM ENGLISH PAGE**) === <span class="f_Header">Action</span> =
+= <span class="f_Header">Funktion</span> =
-Debounce a port pin connected to a switch.
+Entprellen eines Portpins, an den ein Taster angeschlossen ist.
 <span style="font-family: Arial;">&nbsp;</span>

@@ Line 93: / Line 93: @@
 <span style="font-family: Arial;">&nbsp;</span>
-= <span class="f_Header">Example</span> =
+= <span class="f_Header">Beispiel</span> =
 <br/><source lang="bascomavr">
@@ Line 106: / Line 106: @@
 $regfile = "m48def.dat" ' specify the used micro
-$crystal = 4000000 ' used crystal frequency
+$crystal = 4000000 ' Taktfrequenz
-$baud = 19200 ' use baud rate
+$baud = 19200 ' Baudrate
 $hwstack = 32 ' default use 32 for the hardware stack
 $swstack = 10 ' default use 10 for the SW stack
 $framesize = 40 ' default use 40 for the frame space
-Config Debounce = 30 'when the config statement is not used a default of 25mS will be used but we override to use 30 mS
+Config Debounce = 30 'Wenn der CONFIG-Befehl nicht benutzt wird dann wird der Standardwert 25ms benutzt aber wir überschreiben hier den Standardwert mit 30ms.
-'Debounce Pind.0 , 1 , Pr 'try this for branching when high(1)
+'Debounce Pind.0 , 1 , Pr 'Sprung wenn High (1)
 Debounce Pind.0 , 0 , Pr , Sub
 Debounce Pind.0 , 0 , Pr , Sub
-' ^----- label to branch to
+'                      ^----- Sprungmarke
-' ^---------- Branch when P1.0 goes low(0)
+'                  ^---------- Springen wenn P1.0 auf low (0) geht
-' ^---------------- Examine P1.0
+'          ^----------------  P1.0 untersuchen
-'When Pind.0 goes low jump to subroutine Pr
+'Wennn Pind.0 auf low geht dann zum Unterprogramm Pr springen
-'Pind.0 must go high again before it jumps again
+'Pind.0 muss wieder auf High gehen bevor der Sprung wieder stattfindet
-'to the label Pr when Pind.0 is low
-Debounce Pind.0 , 1 , Pr 'no branch
+Debounce Pind.0 , 1 , Pr 'Sprung nicht zu Unterprogramm
-Debounce Pind.0 , 1 , Pr 'will result in a return without gosub
+Debounce Pind.0 , 1 , Pr 'Ergibt return ohne gosub
 End

@@ Line 15: / Line 15: @@
 <span style="font-family: Arial;">&nbsp;</span>
-= <span class="f_Header">Remarks</span> =
+= <span class="f_Header">Anmerkungen</span> =
 <div style="padding: 0px; margin: 0px 0px 0px 4px;">
 {| width="563" cellspacing="0" cellpadding="1" border="1" style="border: 2px solid rgb(0, 0, 0); border-spacing: 0px; border-collapse: collapse;"
@@ Line 23: / Line 23: @@
 | valign="top" width="87%" style="width: 473px; height: 16px; border: 1px solid rgb(0, 0, 0);" |
-A port pin like PINB.0 , to examine.
+Portpin wie zum Beispiel PINB.0
 |- style="vertical-align: top;"
 | valign="top" width="15%" style="width: 81px; border: 1px solid rgb(0, 0, 0);" |
-State
+state
 | valign="top" width="87%" style="width: 473px; border: 1px solid rgb(0, 0, 0);" |
-for jumping when PINx.y is low , 1 for jumping when PINx.y is high
 |- style="vertical-align: top;"
 | valign="top" width="15%" style="width: 81px; border: 1px solid rgb(0, 0, 0);" |
-Label
+label
 | valign="top" width="87%" style="width: 473px; border: 1px solid rgb(0, 0, 0);" |
-The label to GOTO when the specified state is detected
+Sprungmarke zu der gesprungen werden soll wenn der angegebene Zustand erkannt wird.
 |- style="vertical-align: top;"
@@ Line 44: / Line 45: @@
 | valign="top" width="87%" style="width: 473px; border: 1px solid rgb(0, 0, 0);" |
-The label to GOSUB when the specified state is detected
+Sprungmarke ist Unterprogramm.
 |}
@@ Line 50: / Line 51: @@
 <span style="font-family: Arial;">&nbsp;</span>
-When you specify the optional parameter SUB, a GOSUB to label is performed instead of a GOTO.
+Wenn optional SUB angegeben wird dann wird ein GOSUB zu der Sprungmarke statt eines GOTO ausgeführt.
 <span style="font-family: Arial;">&nbsp;</span>
-The DEBOUNCE statement tests the condition of the specified pin and if true there will be a delay for 25 mS and the condition will be checked again. (eliminating bounce of a switch)
+Der DEBOUNCE-Befehl prüft den Zustand des angegebenen Pins. Wenn die Bedingung (0 bzw. 1) erfüllt ist dann wird 25ms gewartet und dann wird die Bedingung noch einmal geprüft. Dadurch wird das Prellen abgewartet.
 <span style="font-family: Arial;">&nbsp;</span>
-When the condition is still true and there was no branch before, it branches to specified the label.
+Wenn die Bedingung immer noch erfüllt ist dann erfolgt ein Sprung zur angegebenen Sprungmarke.
 <span style="font-family: Arial;">&nbsp;</span>
-When the condition is not true, or the logic level on the pin is not of the specified level, the code on the next line will be executed.
+Wenn die Bedingung nicht wahr ist oder der Logik-Level am Pin nicht dem angegebenen Level entspricht dan wird die nächste Zeile ausgeführt.
 <span style="font-family: Arial;">&nbsp;</span>
-When DEBOUNCE is executed again, the state of the switch must have gone back in the original position before it can perform another branch. So if you are waiting for a pin to go low, and the pin goes low, the pin must change to high, before a new low level will result in another branch.
+Wenn DEBOUNCE wieder ausgeführt wird dann muss der Zustand des Tasters zwischendurch im Grundzustand gewesen sein bevor ein Sprung erfolgen kann. Wenn man zum Beispiel auf Low wartet und der Pin auf Low geht dann muss der Pin einmal wieder High sein bevor ein neuer Low-Level einen Sprung auslösen kann.
 <span style="font-family: Arial;">&nbsp;</span>
-Each DEBOUNCE statement, which uses a different port, uses 1 BIT of the internal memory to hold its state. And as the bits are stored in SRAM, it means that even while you use only 1 pin/bit, a byte is used for storage of the bit.
+Jeder DEBOUNCE-Befehl der einen anderen Port benutzt verbraucht 1 Bit des internen Speichers um den Zustand zu speichern. Da die Bits im SRAM gespeichert werden bedeutet das, dass auch bei Benutzung nur eines Pins/Bits ein Byte Speicher verbraucht wird um das Bit zu speichern.
 <span style="font-family: Arial;">&nbsp;</span>
-DEBOUNCE will not wait for the input value to met the specified condition. You need to use BITWAIT if you want to wait until a bit will have a certain value.
+DEBOUNCE wartet nicht bis der Eingabewert die angegebene Bedingung erfüllt. Man kann BITWAIT benutzen wenn man warten möchte bis ein Bit einen bestimmten Wert hat.
 <span style="font-family: Arial;">&nbsp;</span>
-So DEBOUNCE will not halt your program while a BITWAIT can halt your program if the bit will never have the specified value. You can combine BITWAIT and DEBOUNCE statements by preceding a DEBOUNCE with a BITWAIT statement.
+DEBOUNCE hält das Programm also nicht an während ein BITWAIT das Programm anhält bis der Wert erreicht ist. Man kann BITWAIT und DEBOUNCE kombinieren indem man ein BITWAIT vor ein DEBOUNCE schreibt.
 <span style="font-family: Arial;">&nbsp;</span>

DEBOUNCE/de - Revision history

Stefanhamburg: /* Beispiel */

Stefanhamburg: /* Beispiel */

Stefanhamburg: /* Beispiel */

Stefanhamburg: /* Example */

Stefanhamburg: /* See also */

Stefanhamburg: /* Remarks */

Stefanhamburg: /* (**COPIED FROM ENGLISH PAGE**) = */

Admin: 1 revision

Admin: Created page with "= Action = Debounce a port pin connected to a switch. ..."

Stefanhamburg: /* (COPIED FROM ENGLISH PAGE) = */