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rwlee
Joined: 04 Aug 2008
Posts: 36
Location: La Porte, Texas
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 Posted: Wed Jan 17, 2024 3:58 am Post subject: Change an Image on the Nextion |
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So I look at he documentation on the Nextion
Duval JP has great deal of work on almost all the the Nextion's abilities, I've gotten man ofhis code to work
I needto do a simple task (so it would seem) to change 3 pictures on a 2 second time loop
All of the 3 pictures one after the other "p0.pic="
This is my code:
| Code: |
$regfile = "m328pdef.dat"
$crystal = 16000000
$baud = 19200
$hwstack = 64
$swstack = 64
$framesize = 64
Config Com1 = 115200 , Synchrone = 0 , Parity = None , Stopbits = 1 , Databits = 8 , Clockpol = 0 '19200 modif pour ecran intelligent
Open "COM1:" For Binary As #1
Const Nex = 1
Config Serialin0 = Buffered , Size = 50
Open "comd.7:115200,8,n,1" For Output As #2
Const Usb_ = 2
Declare Sub Nex_image(Byval Xval As Byte , Byval Yval As Byte , Byval Picval As Byte)
Const Xval = 221
Const Yval = 30
Dim Idx_ as Byte
Dim Picval as Byte
Do
For Idx_ = 1 to 3
Picval = Idx_
Call Nex_image(Xval , Yval , Picval)
wait 2
Next
Loop
End
Sub Nex_image(byval Xval As Word , Yval As Word , Picval As Byte)
Local Gtext As String * 22
Gtext = "p0.pic=" + Str(xval) + "," + Str(yval) + "," + Str(picval)
Print# Nex , Gtext ;
Print #Usb_ , Gtext ;
Printbin #Nex , &HFF ; &HFF ; &HFF
Printbin #Usb_ , &HFF ; &HFF ; &HFF
End Sub
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But the Pictures wont Change, I have 3 differernt Pictures 1, 2, 3 That m trying to change.
But nothing changes. I can Change the Text, And the color of the text, form BASCOM but the pictures wont change
What am I missing?
(BASCOM-AVR version : 2.0.8.6 ) |
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Duval JP
Joined: 22 Jun 2004
Posts: 1161
Location: France
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| Posted: Wed Jan 17, 2024 11:29 am Post subject: |
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Nextion is capricious, I've had similar problems with images and I've circumvented the problem by using text zones.
text zones without text but with images and it worked fine
 follow the text zone t10 (moon)
 
and the sub
| Code: | '*******************************************************************************
Sub Nex_textpic(byval Text_id As String , Byval Picture As Byte )
Local Gtext As String * 20
Gtext = Text_id + ".pic=" 'change the picture
Print#nex , Gtext ; Picture ;
Nexend
' Debug #usb , " sub nex_tex_pic"
End Sub
'******************************************************************************* |
used here
| Code: | Txtlune = "t5"
Tmoon = "t10"
Call Nex_text(txtlune , " " , Black , Cyan , 0)
If Icol > 0 Then
Select Case Dummy
Case 0 To 1
Picture = 23
Call Nex_textpic(tmoon , Picture )
Call Nex_text(txtlune , "Nouvelle lune" , Black , Cyan , 0)
Case 2 To 5
Picture = 24
Call Nex_textpic(tmoon , Picture )
Call Nex_text(txtlune , " " , Black , Cyan , 0)
Case 6 To 29
Picture = 25
Call Nex_textpic(tmoon , Picture )
Call Nex_text(txtlune , " " , Black , Cyan , 0)
Case 30 To 54 |
I hope It can help you
JP 
_________________
pleasure to learn, to teach, to create |
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