Fix COBSPrint::abort() and add PacketPrint::reset() #3
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abort() did not reset the leftover buffer, causing the aborted packet to be retried. It also didn't reset the counter correctly.
This method allows a new packet to be started even if we are in the middle of writing the previous packet. No attempt is made to make sure the transition between packets is valid.
eric-wieser
reviewed
Dec 14, 2022
| @@ -126,8 +126,6 @@ class COBSPrint : public PacketPrint | |||
| } | |||
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| virtual void abort() override { | |||
| _counter = 0; | |||
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Nice catch. Sorry for not spotting this PR two years ago...
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COBSPrint::abort()has two bugs: the leftover buffer is not reset, causing old data to be printed after the abort, and the counter is reset to 0 instead of 1, causing the next packet to fail.For my application, I need the ability to reset the internal packet state without trying to terminate the current packet, so I added the
PacketPrint::reset()method.These changes build off each other, so I put them in the same PR.