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[posix] clear SPI tx buffer after usage (#9567)

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This commit clear "mSpiTxPayloadSize" buffer once packet has been
successfully transmitted.
This commit is contained in:
hastigondaliya
2023-11-20 11:33:51 -08:00
committed by GitHub
parent ece7943a0e
commit 0bb9eeb500
1 changed files with 2 additions and 0 deletions
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src/posix/platform/spi_interface.cpp
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@@ -569,6 +569,8 @@ otError SpiInterface::PushPullSpi(void)
mInterfaceMetrics.mTxFrameCount++;
mInterfaceMetrics.mTxFrameByteCount += mSpiTxPayloadSize;
// Clear tx buffer after usage
memset(&mSpiTxFrameBuffer[kSpiFrameHeaderSize], 0, mSpiTxPayloadSize);
mSpiTxIsReady = false;
mSpiTxPayloadSize = 0;
mSpiTxRefusedCount = 0;