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refactor(rmt): refactored RMT loopback example#11221
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github-actionsbot commentedApr 6, 2025 • edited
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- libraries/ESP32/examples/RMT/RMTLoopback/RMTLoopback.ino: Language not supported
github-actionsbot commentedApr 6, 2025 • edited
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Memory usage test (comparing PR against master branch)The table below shows the summary of memory usage change (decrease - increase) in bytes and percentage for each target.
Click to expand the detailed deltas report [usage change in BYTES]
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LGTM
2647cbb
intomasterUh oh!
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Description of Change
The way RMT loopback example was done, it had a sync problem that caused the result to do not match.
Low level signal was sent first and then the high level, therefore, it would only detect the second signal (high) after a delay in nanoseconds. This delay would cause the received signal to be shifted by one RMT symbol.
Output of the original example:
With this refactoring/fix, RMT symbols start with High Level and the output matches the received RMT symbols.
This PR makes the example easier for understanding as well as the RMT symbol will better match.
Tests scenarios
Tested with ESP32, ESP32-C3 and ESP32-S3 using the provided example.
Related links
Related to#11200