PSET/de
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< PSET
Inhaltsverzeichnis |
= (**COPIED FROM ENGLISH PAGE**) === Action
Sets or resets a single pixel.
Syntax
PSET X , Y, value
Remarks
X |
The X location of the pixel. In range from 0-239. |
Y |
The Y location of the pixel. In range from 0-63. |
value |
The value for the pixel. 0 will clear the pixel. 1 Will set the pixel. |
The PSET is handy to create a simple data logger or oscilloscope.
See also
SHOWPIC , CONFIG GRAPHLCD , LINE
Example
'----------------------------------------------------------------------------------------- 'name : t6963_240_128.bas 'copyright : (c) 1995-2005, MCS Electronics 'purpose : T6963C graphic display support demo 240 * 128 'micro : Mega8535 'suited for demo : yes 'commercial addon needed : no '----------------------------------------------------------------------------------------- $regfile = "m8535.dat" ' specify the used micro $crystal = 8000000 ' 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 '----------------------------------------------------------------- ' (c) 2001-2003 MCS Electronics ' T6963C graphic display support demo 240 * 128 '----------------------------------------------------------------- 'The connections of the LCD used in this demo 'LCD pin connected to ' 1 GND GND '2 GND GND '3 +5V +5V '4 -9V -9V potmeter '5 /WR PORTC.0 '6 /RD PORTC.1 '7 /CE PORTC.2 '8 C/D PORTC.3 '9 NC not conneted '10 RESET PORTC.4 '11-18 D0-D7 PA '19 FS PORTC.5 '20 NC not connected 'First we define that we use a graphic LCD ' Only 240*64 supported yet Config Graphlcd = 240 * 128 , Dataport = Porta , Controlport = Portc , Ce = 2 , Cd = 3 , Wr = 0 , Rd = 1 , Reset = 4 , Fs = 5 , Mode = 8 'The dataport is the portname that is connected to the data lines of the LCD 'The controlport is the portname which pins are used to control the lcd 'CE, CD etc. are the pin number of the CONTROLPORT. ' For example CE =2 because it is connected to PORTC.2 'mode 8 gives 240 / 8 = 30 columns , mode=6 gives 240 / 6 = 40 columns 'Dim variables (y not used) Dim X As Byte , Y As Byte 'Clear the screen will both clear text and graph display Cls 'Other options are : ' CLS TEXT to clear only the text display ' CLS GRAPH to clear only the graphical part Cursor Off Wait 1 'locate works like the normal LCD locate statement ' LOCATE LINE,COLUMN LINE can be 1-8 and column 0-30 Locate 1 , 1 'Show some text Lcd "MCS Electronics" 'And some othe text on line 2 Locate 2 , 1 : Lcd "T6963c support" Locate 3 , 1 : Lcd "1234567890123456789012345678901234567890" Locate 16 , 1 : Lcd "write this to the lower line" Wait 2 Cls Text 'use the new LINE statement to create a box 'LINE(X0,Y0) - (X1,Y1), on/off Line(0 , 0) -(239 , 127) , 255 ' diagonal line Line(0 , 127) -(239 , 0) , 255 ' diagonal line Line(0 , 0) -(240 , 0) , 255 ' horizontal upper line Line(0 , 127) -(239 , 127) , 255 'horizontal lower line Line(0 , 0) -(0 , 127) , 255 ' vertical left line Line(239 , 0) -(239 , 127) , 255 ' vertical right line Wait 2 ' draw a line using PSET X,Y, ON/OFF ' PSET on.off param is 0 to clear a pixel and any other value to turn it on For X = 0 To 140 Pset X , 20 , 255 ' set the pixel Next For X = 0 To 140 Pset X , 127 , 255 ' set the pixel Next Wait 2 'circle time 'circle(X,Y), radius, color 'X,y is the middle of the circle,color must be 255 to show a pixel and 0 to clear a pixel For X = 1 To 10 Circle(20 , 20) , X , 255 ' show circle Wait 1 Circle(20 , 20) , X , 0 'remove circle Wait 1 Next Wait 2 For X = 1 To 10 Circle(20 , 20) , X , 255 ' show circle Waitms 200 Next Wait 2 'Now it is time to show a picture 'SHOWPIC X,Y,label 'The label points to a label that holds the image data Test: Showpic 0 , 0 , Plaatje Showpic 0 , 64 , Plaatje ' show 2 since we have a big display Wait 2 Cls Text ' clear the text End 'This label holds the mage data Plaatje: '$BGF will put the bitmap into the program at this location $bgf "mcs.bgf" 'You could insert other picture data here
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