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move packet handling into its own thread

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This commit is contained in:
geeksville
2020-05-01 12:11:04 -07:00
parent 763276a2c8
commit 50213d8323
10 changed files with 178 additions and 27 deletions
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47
src/mesh/RadioLibInterface.cpp
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@@ -17,16 +17,39 @@ RadioLibInterface::RadioLibInterface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq
instance = this;
}
#ifndef NO_ESP32
// ESP32 doesn't use that flag
#define YIELD_FROM_ISR(x) portYIELD_FROM_ISR()
#else
#define YIELD_FROM_ISR(x) portYIELD_FROM_ISR(x)
#endif
void INTERRUPT_ATTR RadioLibInterface::isrRxLevel0()
{
instance->pending = ISR_RX;
instance->disableInterrupt();
instance->pending = ISR_RX;
BaseType_t xHigherPriorityTaskWoken;
instance->notifyFromISR(&xHigherPriorityTaskWoken);
/* Force a context switch if xHigherPriorityTaskWoken is now set to pdTRUE.
The macro used to do this is dependent on the port and may be called
portEND_SWITCHING_ISR. */
YIELD_FROM_ISR(xHigherPriorityTaskWoken);
}
void INTERRUPT_ATTR RadioLibInterface::isrTxLevel0()
{
instance->pending = ISR_TX;
instance->disableInterrupt();
instance->pending = ISR_TX;
BaseType_t xHigherPriorityTaskWoken;
instance->notifyFromISR(&xHigherPriorityTaskWoken);
/* Force a context switch if xHigherPriorityTaskWoken is now set to pdTRUE.
The macro used to do this is dependent on the port and may be called
portEND_SWITCHING_ISR. */
YIELD_FROM_ISR(xHigherPriorityTaskWoken);
}
/** Our ISR code currently needs this to find our active instance
@@ -117,19 +140,17 @@ bool RadioLibInterface::canSleep()
void RadioLibInterface::loop()
{
PendingISR wasPending;
while ((wasPending = pending) != 0) { // atomic read
pending = ISR_NONE; // If the flag was set, it is _guaranteed_ the ISR won't be running, because it masked itself
PendingISR wasPending = pending;
pending = ISR_NONE;
if (wasPending == ISR_TX)
handleTransmitInterrupt();
else if (wasPending == ISR_RX)
handleReceiveInterrupt();
else
assert(0);
if (wasPending == ISR_TX)
handleTransmitInterrupt();
else if (wasPending == ISR_RX)
handleReceiveInterrupt();
else
assert(0); // We expected to receive a valid notification from the ISR
startNextWork();
}
startNextWork();
}
void RadioLibInterface::startNextWork()