Fix GrovePi binding timing issue when read sensors#2359
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2427dkusiro wants to merge 4 commits intodotnet:mainfrom
Open
Fix GrovePi binding timing issue when read sensors#23592427dkusiro wants to merge 4 commits intodotnet:mainfrom
2427dkusiro wants to merge 4 commits intodotnet:mainfrom
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2427dkusiro
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Ellerbach
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Oct 24, 2024
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| throw new IOException($"{nameof(DigitalRead)}: Failed to read byte with command {GrovePiCommand.DigitalRead}", innerEx); |
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Why are you removing the throw here and replace with the -1 logic? Throwing is a good way to say that things did not work properly.
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@Ellerbach
I initially considered making this change because the existing AnalogRead method was designed to return -1 instead of throwing an exception. However, I have adjusted the behavior at commit 93c6303 accordingly.
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Fixes #2337
Summary
Fix timing issue in the GrovePi Binding logic for sensor reading.
Detail
As mentioned in the issue I raised, there is a bug in the current GrovePi Binding that prevents it from correctly reading sensor values on the Raspberry Pi 4. To fix this bug, I have modified the code to wait and retry when an invalid response is received from the device. Additionally, I've standardized the implementation of the
DigitalReadmethod with other sensor readings so that it can also benefit from this bug fix.Validation
I have confirmed that the changes in this PR work as intended by testing with sample code from the GrovePi directory. I connected a button, potentiometer, relay, ultrasonic distance sensor, and temperature & humidity sensor to both Raspberry Pi 3 and 4.
Microsoft Reviewers: Open in CodeFlow