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I2C sw driver with support of multiple buses, Slow, Fast, FastPlus, and user-defined speed selection #2465

Merged
merged 7 commits into from
Apr 5, 2019
Merged

I2C sw driver with support of multiple buses, Slow, Fast, FastPlus, and user-defined speed selection #2465

merged 7 commits into from
Apr 5, 2019

Commits on Feb 18, 2019

  1. I2C driver speed-up, i2c.SLOW, i2c.FAST and user-defined speed selection

    @sonaux
    sonaux committed Feb 18, 2019
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  2. - Multiple buses (up to 10) with different speeds on each bus 

    - Standard(Slow, 100kHz), Fast(400kHz) and FastPlus(1MHz) modes or an 
arbitrary clock speed
- Sharing SDA line over multiple I²C buses to save available pins
- GPIO16 pin can be used as SCL pin, but it does not support clock 
stretching and selected bus will be limited to FAST speed.
    @sonaux
    sonaux committed Feb 18, 2019
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  3. Dynamic memory allocation, error checks, simplification, timing tweaks.

    @sonaux
    sonaux committed Feb 18, 2019
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  4. Separated the code of old driver for better compatibility and simplicity

    @sonaux
    sonaux committed Feb 18, 2019
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  5. Change of driver interface

    @sonaux
    sonaux committed Feb 18, 2019
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  6. Add bus status check in setup(); simplify getDC(); remove unnesessary… 

    … lines in ACK read/write
    @sonaux
    sonaux committed Feb 18, 2019
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  7. Fix for moved doc file and trailing whitespaces

    @sonaux
    sonaux committed Feb 18, 2019
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