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Hi, in async event void BackoffTimer.fired() of CC2420 TransmitP: case S_SFD: /* We didn't receive an SFD interrupt within CC2420_ABORT_PERIOD jiffies. Assume something is wrong. The SFD pin goes high when the SFD field has been completely transmitted. It goes low again when the complete MPDU (as defined by the length field) has been transmitted or if an underflow is detected.*/ call SFLUSHTX.strobe(); call CaptureSFD.captureRisingEdge(); releaseSpiResource(); signalDone( ERETRY ); break; When the call SFLUSHTX.strobe() is (really) run (what is the error that causes the flush) ? "We didn't receive an SFD interrupt within CC2420_ABORT_PERIOD jiffies. Assume something is wrong".....what ? |
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