www.elektronik.si

[laco]

Kupio sam kod LedSee-a Touch GLCD 240x12 i nisam dobio podatke za Touch Panel već samo za GLCD iako sam zatražio putem e-maila. Program za Touch panel sam napravio na bazi vizualnog pogleda na Touch panel i touch kabel. Imam problem ne dobivam u redu ADC vrijednosti X i Y. Molim za pomoć.

Bascom code:
$regfile = "m128def.dat"
$crystal = 8000000
$hwstack = 100
$swstack = 75
$framesize = 40
Config Graphlcd = 240 * 128 , Dataport = Porta , Controlport = Portc , Ce = 3 , Cd = 0 , Wr = 2 , Rd = 1 , Reset = 4 , Fs = 6 , Mode = 6
Config Adc = Single , Prescaler = Auto , Reference = Internal
Dim X As Word , Y As Word
Backlight Alias Portc.5
Start Adc
Cursor Off
Cls
Locate 1 , 1 : Lcd "T6963 with Touchscreen an ATMega128"
Locate 3 , 1
Lcd "Y-Koordinate analog: "
Locate 4 , 1
Lcd "X-Koordinate analog: "
Reset Backlight ' Reset Backlight

'************************ Main Program *****************************
Do
Gosub Readtouch
Locate 3 , 22 : Lcd Y ; " "
Locate 4 , 22 : Lcd X ; " "
Wait 1
Loop
End 'end program

'*********************** READ TOUCH ******************************
Readtouch1:
Config Pinf.1 = Output ' Makes port F.1 output - Bottom
Config Pinf.3 = Output ' Makes port F.3 output - Top
Set Portf.1 ' Sets port F.1 High
Reset Portf.3 ' Sets port F.3 Low
Ddrf.0 = 0 : Portf.0 = 1 ' Sets port F.0 as input
Ddrf.2 = 0 : Portf.2 = 1 ' Sets port F.2 as input
Waitms 20 ' Wait until the port is stable
Y = Getadc(2) ' Read the AD value "Y"
Y = 1024 - Y
Config Pinf.0 = Output ' Makes port F.0 output
Config Pinf.2 = Output ' Makes port F.2 output
Reset Portf.0 ' Sets port F.0 Low
Set Portf.2 ' Sets port F.2 High
Ddrf.1 = 0 : Portf.1 = 1 ' Sets port F.1 as input
Ddrf.3 = 0 : Portf.3 = 1 ' Sets port F.3 as input
Waitms 20 ' Wait until the port is stable
X = Getadc(3) ' Read the AD Value "X"
X = 1024 - X
Return

[RGorazd]

Možda ti je problem u ovome:

Config Adc = Single , Prescaler = Auto , Reference = Internal

Ako staviš reference na internal, znači da upotrebljavaš 2.54V interni referenčni napon, a ti portom f, kad ga podigneš na "1" staviš 5V. A tebi ide ADC do 2.5V, sve što je iznad ti je vrijendnost ADC 0xff (1023).

LP G