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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: 309
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: 1196
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
 
sagt3k

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Joined: 01/02/2015
Location: Italy
Posts: 309
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: 5460
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: 309
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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