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According to the issue SoftwareSerial: Make the bus more general => SPI / I2C (HW and SW) #16

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Beerlesklopfer opened this issue Mar 4, 2020 · 1 comment
Open

According to the issue SoftwareSerial: Make the bus more general => SPI / I2C (HW and SW) #16

Beerlesklopfer opened this issue Mar 4, 2020 · 1 comment
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enhancement New feature or request

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@Beerlesklopfer
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There is also a SPI version of that chip. Why not implementing that chip also?
@blemasle
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Hi,

Sorry for the delay. While I'd like to see an SPI version of this library, I've never played with SPI myself and I don't have an MCP23S17 at hand to develop those modifications.

If you do, I strongly encourage you to give it a try by modifying the library code. On the top of my head, a base class with high level implementation and two classes for MCP2017 and MCP23S17 communication protocol with both signatures of writeRegister and readRegister might do the trick :)

@blemasle blemasle added the enhancement New feature or request label Mar 10, 2020
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@Beerlesklopfer @blemasle