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Forum Index : Microcontroller and PC projects : RP2350 - HDMIUSB - GUI Functions

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panky

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Joined: 02/10/2012
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Posted: 04:15am 08 May 2026
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Is anyone aware of why the extended GUI commands/functions (eg. switch, display box, area etc.) are not available for VGA and HDMI versions of MMBasic?

I have made extensive use of them in previous projects, some of which I am now trying to port to the RP2350 Pico 2B Computer.

Doug
... almost all of the Maximites, the MicromMites, the MM Extremes, the ArmMites, the PicoMite and loving it!
 
Bryan1

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Joined: 22/02/2006
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Posted: 04:41am 08 May 2026
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Doug I used a 2350B for my stepper project and it ran fine making the GUI using a 3.5" LCD, got 5 pages working and it's now inhand with the stepper guru's to move forward.

Now in the pico manual it does state with the VGA and HDMI versions of the software won't work so the standard 2350.uf is used.
Edited 2026-05-08 14:43 by Bryan1
 
disco4now

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Joined: 18/12/2014
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Posted: 05:55am 08 May 2026
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Hi Doug,
Not sure of exact reason, most likely not enough resources when HDMI or VGA present.
See this thread where a GUI editor was started by @Amnesie that produces MMBasic versions of some of the controls. Not sure how complete it is.
Introducing: GUI Editor for the PicoMiteVGA
Gerry
F4 H7FotSF4xGT
 
Mixtel90

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Posted: 07:22am 08 May 2026
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I think its probably also a case of which touch system would be supported? Standard VGA and HDMI displays don't have touch fitted so it's either something proprietary for each display or some sort of third party panel (probably a serial port, although I think there are USB versions now). Either would assume that it was being used on a Windows system so would be designed for control over over a specific Windows driver, unless it simulated a mouse using hardware rather than software. IMHO there are probably too many variations.
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
matherp
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Joined: 11/12/2012
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Posted: 07:38am 08 May 2026
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GUI functionality is entirely integrated with touch screen processing and can't be used without it. HDMI/VGA screens in general don't have touch therefore the GUI controls make no sense. For those screens that do have touch, there is no standardised I/F like the XPT2046 so it is impossible to support them. Remember, this is a single chip uP with limited resource.
 
mclout999

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Joined: 05/07/2020
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Posted: 08:20am 08 May 2026
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  matherp said  GUI functionality is entirely integrated with touch screen processing and can't be used without it. HDMI/VGA screens in general don't have touch therefore the GUI controls make no sense. For those screens that do have touch, there is no standardised I/F like the XPT2046 so it is impossible to support them. Remember, this is a single chip uP with limited resources.


OK but the CMM2 has the UI commands using a mouse and I have used that and like that option. Is the overhead for the commands too high?
They call me Shai-Hulud (The maker)
 
matherp
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Posted: 08:28am 08 May 2026
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  Quote  OK but the CMM2 has the UI commands using a mouse and I have used that and like that option. Is the overhead for the commands too high?

Yes
 
mclout999

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Posted: 09:39am 10 May 2026
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  matherp said  
  Quote  OK but the CMM2 has the UI commands using a mouse and I have used that and like that option. Is the overhead for the commands too high?

Yes


Thanks.
They call me Shai-Hulud (The maker)
 
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