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Forum Index : Microcontroller and PC projects : Problem to set TOUCH with ARMMITE L4 + ILI9341

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sagt3k

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Joined: 01/02/2015
Location: Italy
Posts: 313
Posted: 09:35am 17 Nov 2021
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Hi to everybody

I use NUCLEO-L452 with the MMBASIC ver. 5.5.9, and I have problem to manage touch functions, when I set int on intq pin, I have the follow problem;



I ask to you to solve the problem, Is There a new version for STM32L452 updated?
Can You share the link or suggest the solutions ?

Thanks
Antonio
 
Mixtel90

Guru

Joined: 05/10/2019
Location: United Kingdom
Posts: 5642
Posted: 10:13am 17 Nov 2021
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If pin 26 is used for touch detection it's already taken so you can't then use it for your own interrupt. That's why you are getting the "reserved" error.
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
sagt3k

Guru

Joined: 01/02/2015
Location: Italy
Posts: 313
Posted: 10:50am 17 Nov 2021
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Hi  Mick

I follow this original example :



For STM32, have you a suggestion to manage LCD+TOUCH+IRQ(TOUCH) ?

This is my PCB for connect ILI9341.



Thanks for you suggestions
Antonio
 
matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 8516
Posted: 11:23am 17 Nov 2021
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That functionality isn't enabled on the ArmmiteL4. Easy workaround is to test touch with a settick interrupt
 
sagt3k

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Joined: 01/02/2015
Location: Italy
Posts: 313
Posted: 12:13pm 17 Nov 2021
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Hi Matherp

Ok, now is very clear.
Is 5.5.9 the last firmware for STM32L4xx ??

Thanks
Antonio
 
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