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Fix #85, we were stalling sometimes on send while in ISR which is NEVER legal

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geeksville 2020-04-17 18:49:54 -07:00
parent 2fe145aed9
commit 8eb3045451
2 changed files with 6 additions and 4 deletions
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5
src/rf95/CustomRF95.cpp
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@ -54,6 +54,11 @@ ErrorCode CustomRF95::send(MeshPacket *p)
DEBUG_MSG("immediate send on mesh fr=0x%x,to=0x%x,id=%d\n (txGood=%d,rxGood=%d,rxBad=%d)\n", p->from, p->to, p->id,
txGood(), rxGood(), rxBad());
waitPacketSent(); // Make sure we dont interrupt an outgoing message
if (!waitCAD())
return false; // Check channel activity
startSend(p);
return ERRNO_OK;
} else {

5
src/rf95/RH_RF95.cpp
View File

@ -280,17 +280,14 @@ void RH_RF95::clearRxBuf()
ATOMIC_BLOCK_END;
}
/// Note: This routine might be called from inside the RF95 ISR
bool RH_RF95::send(const uint8_t *data, uint8_t len)
{
if (len > RH_RF95_MAX_MESSAGE_LEN)
return false;
waitPacketSent(); // Make sure we dont interrupt an outgoing message
setModeIdle();
if (!waitCAD())
return false; // Check channel activity
// Position at the beginning of the FIFO
spiWrite(RH_RF95_REG_0D_FIFO_ADDR_PTR, 0);
// The headers