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8048S070C - external I2C bus unusable due to conflict with GT911_TOUCH_CONFIG_INT_GPIO_NUM #159

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mhaberler opened this issue Apr 16, 2024 · 3 comments
Open

8048S070C - external I2C bus unusable due to conflict with GT911_TOUCH_CONFIG_INT_GPIO_NUM #159

mhaberler opened this issue Apr 16, 2024 · 3 comments
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@rzeldent
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enhancement New feature or request

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@mhaberler
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using a 8048S070C / GT911 cap touch board with external I2C sensors connected

it seems the GT911 touch IRQ line (GT911_TOUCH_CONFIG_INT_GPIO_NUM, 18) conflicts with the second I2C Bus SCL line - rendering the second I2C unit inoperable

I tried in a different project using LovyanGFX and polled touch, and had Wire1 working fine there

not sure how to proceed - not sufficiently familar with ESP-IDF + BSP

thanks in advance,
Michael
@mhaberler
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well, I tried and it was easy: rzeldent/platformio-espressif32-sunton@main...mhaberler:platformio-espressif32-sunton:disable-touch-irq

@rzeldent
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If you know where to find it! It is...

However, am wondering, as the IRQ is not used (LVGL is polling) maybe I can leave it out of the configuration...
With your fix, the touch still works right?!

@mhaberler
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yes touch works perfectly fine

@rzeldent rzeldent self-assigned this Apr 17, 2024
@rzeldent rzeldent added the enhancement New feature or request label Apr 17, 2024
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@mhaberler @rzeldent