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Florian, It worked. Never mind. Thank you so much. Best regards, BMD

Hi Florian, Really appreciate you trying to help. I will try to implement it. Meanwhile, I forgot to put up another question up there: 1. So I am drawing something in the background using WM_PAINT of _cbdialog(). But I only want it drawn once when the window is being called for the first time. Is there a possibility to not allow it to draw every time there is a change on the window? I understand that clearing the flag WM_ClrHasTrans() for widgets. How do you suggest I do it for WM_PAINT? Thank y…

Hi, I have observed something weird recently. I hope some one here can help me get rid of this problem. I have a created a window with Button, drawing, Text Widget. 1. Every time a button is pressed, I am changing numbers on a text widget. 2. I have an additional text widget that has been functioned to change value when a certain hardware malfunction happens. Both these times I see that any update to a certain text widget causes the whole screen to draw. Has anyone come across this issue? I real…

Hi Florian, I have configured Multiple Buffering. I was referring to a sample that could help me understand how to call multiple buffering before drawing. Is there a sample to show me when to call GUI_MULTIBUF_Begin() while trying to display widgets? I look forward to hear from you. Thanks and regards, BMD

Forian, Thank you trying to help me out. Could you please tell me if there is a sample of manual implementation of Multiple Buffering? I am trying to implement it manually rather than using WM_MULTIBUF_ENABLE(). Appreciate all the help. Thanks and regards, BMD

Florian, Yes, GUIDRV_TEMPLATE is the drive provided by my Silicon provider. Is this a problem? I will try to increase the memory for emWin an see if that changes anything. Thanks and regards, BMD

Florian, Really appreciate you trying to help. Please see attached. Thanks and regards, BMD

Hi Florian, Thank you for your response. I did something similar to what the example explains. I am writing images to cache so I this way I am reading images from SD card only once. Thereafter the images are read from cache. But this still doesn't help with the timing issue that exists. Any suggestions to what could be causing this? Thanks and regards, BMD

Hi, I got Multiple buffering to work finally from my Silicon Provider. But once I adapt multiple buffering, I see some strange things happening. 1. Button press seems to have slowed down. When the button is CLICKED, it stays pressed for sometime and then releases. 2. I put a flag to see what was going on and I just can't seem to understand the behavior of irregular timings. 3. If I enable WM_MULTIBUFF_ENABLE(1), things seem to be going out of pace - I can see Multiple Buffering working but I hav…

Hi, Can someone tell me if Multiple buffering is included in GUI_DRVControl driver? What are all the drivers that have multiple buffering as a part of it? Appreciate any help! Best regards, BMD

Hi, So, I have been using emWin and learning a lot about it. But I came across something which I don't understand. Can someone please help me with this? 1. I display text using GUI_DispStringAt() and I can see it. 2. Clear the text and display a window with buttons and textbox. 3. Clear the window and trying to display text using GUI_DispString() and I don't see anything on the screen. Has anyone come across this issue? Am I doing something wrong here? Note: When I tried to use a text box to dis…

Florian, I am sorry I missed a file and images for SD card. Please see attached. Could you please give it a try now? Note: The reason I am not doing a 'stand-alone' file is we have certain code standards to follow and I wanted things to work when I have each function in it's own file. Best regards, BMD

Florian, Did you get a chance to check out my files? Did you find anything unusual in the code? Were you able to see similar results as mine or did it work okay for you? Appreciate all the help! Best regards, BMD

Florian, I have attached zip file which has all the screens and main file. Let me know if that works for you. Best regards, BMD

C Source Code (145 lines)Is there someone here who came across the same problem? I just want to know if this problem makes sense or its something I am doing that causes it? I have attached a screen that I am currently working on as a reference. I have three similar screens and while trying to navigate between each one, I see this problem. I would really appreciate if anyone could help me with this regard. Best regards, BMD

Florian, I think I have the same problem. What we are trying to ask is "What is the API that let's us change the color of a button???" Best regards, BMD

Florian/ Sven, Could you please help me understand this behavior. Best regards, BMD

Sridhar, Thank you for your response but I am facing problems with only WM_NOTIFICATION_RELEASED. Touchscreen seems to be working fine. I don't see any touch screen sense or anything as such. Best regards, BMD

Hi, I am working on building different screens for my project. Everything works fine for sometime after which I can only see buttons being pressed but there is no response to that touch whatsoever. I am calling GUI_TOUCH_Exec() in an ISR every 10ms. I am using no OS and resistive touchscreen. Has anyone here come across this issue before? I would greatly appreciate any help with this regard. Best regards, BMD

Thank you so much, Florian That really helped.