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Forum Index : Microcontroller and PC projects : Raspberry Pi Pico with MMbasic running a touchscreen- how fast?

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shoots

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Joined: 31/07/2011
Location: Australia
Posts: 32

Posted: 12:41pm 09 Aug 2023

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Has anyone tried the Pico running a touchscreen (backpack)? I am wondering how the speed interacting with the touchscreen compares to the touchscreen on a Micromite? (which is quick) There was a suggestion in Silicon Chip magazine that the Pico (and the Pico W more so) are not that quick on screen ops using MicroPython. Would MMbasic be faster? or would the Pico be struggling to keep up anyway?
Thank you.
Peter

matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 10636

Posted: 01:02pm 09 Aug 2023

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Quote I am wondering how the speed interacting with the touchscreen compares to the touchscreen on a Micromite? (which is quick)

The Pico is faster but both are much faster than "human" time

shoots

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Joined: 31/07/2011
Location: Australia
Posts: 32

Posted: 01:29pm 09 Aug 2023

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Thank you maltherp, Wow, that is awesome. What makes it faster than the earlier Micromites? I am thinking of the Explore 100 and the smaller units which were pretty snappy.I recall the article mentioned that the original Micropython was slow. What makes MMbasic much faster?

matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 10636

Posted: 01:50pm 09 Aug 2023

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Probably about the same as the explore 100, faster than a MX170.

There is nothing clever about the touch handling. If touch is enabled then at the end of every statement MMBasic reads the touch interrupt pin. If that has changed then it processes accordingly

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