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[Documentation] Wire read return type #897

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CombiesGit opened this issue Jul 16, 2020 · 1 comment
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[Documentation] Wire read return type #897

CombiesGit opened this issue Jul 16, 2020 · 1 comment
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Docu: Wire::read()

Returns
The next byte received

It should be:

Returns
The next byte received (or -1 if no data is available). Data type: int.
@per1234 per1234 transferred this issue from arduino/Arduino Jul 17, 2022
@per1234 per1234 added the bug label Jul 17, 2022
@carlosperate
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carlosperate commented Dec 25, 2022 •
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Is that always meant to be the case? In the Mbed core it looks like it returns 0:
https://github.com/arduino/ArduinoCore-mbed/blob/949c70ce6ae7d2910e5768d6d88fc3ae0e943584/libraries/Wire/Wire.cpp#L123

Edit: It is meant to be -1, the Mbed core will be updated.

@carlosperate carlosperate mentioned this issue Dec 25, 2022
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@carlosperate @per1234 @kengdahl @CombiesGit