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Add IOConfig struct and pub fn io_config() #3272

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Add IOConfig struct and pub fn io_config() #3272

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Commits on Aug 20, 2024

  1. Add IOConfig struct and pub fn io_config() 

    The STM32 TSC needs to do successive acquisitions when using multiple channels in a group. To do this the IOs must be configured for each acquisition. This change reflects the implementations in the STM32 HAL.

See:
* https://community.st.com/t5/stm32-mcus-products/tsc-channel-selection/td-p/164783

Specifically, see the HAL solution provided. It shows that only one acquisition channel must enabled in a group during an acquisition cycle, then the next channel in the next acquisition cycle, and so on.


* https://www.st.com/content/ccc/resource/technical/document/user_manual/group0/d6/4c/20/0d/a1/c1/4c/99/DM00210526/files/DM00210526.pdf/jcr:content/translations/en.DM00210526.pdf

While this is about the STM Touch Library, table 8 (and others) show the acquisition timings required for multiple channels in a group.
    @beastbytes
    beastbytes authored Aug 20, 2024
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