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[SX128x] Fixed blocking receive

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This commit is contained in:
jgromes 2023-06-24 19:23:26 +02:00
parent 7f40ee49c6
commit 36530b00fc
1 changed files with 17 additions and 3 deletions
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20
src/modules/SX128x/SX128x.cpp
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@ -353,16 +353,30 @@ int16_t SX128x::receive(uint8_t* data, size_t len) {
RADIOLIB_ASSERT(state);
// wait for packet reception or timeout
bool softTimeout = false;
uint32_t start = this->mod->hal->micros();
while(!this->mod->hal->digitalRead(this->mod->getIrq())) {
this->mod->hal->yield();
// safety check, the timeout should be done by the radio
if(this->mod->hal->micros() - start > timeout) {
clearIrqStatus();
standby();
return(RADIOLIB_ERR_RX_TIMEOUT);
softTimeout = true;
break;
}
}
// if it was a timeout, this will return an error code
state = standby();
if((state != RADIOLIB_ERR_NONE) && (state != RADIOLIB_ERR_SPI_CMD_TIMEOUT)) {
return(state);
}
// check whether this was a timeout or not
if((getIrqStatus() & RADIOLIB_SX128X_IRQ_RX_TX_TIMEOUT) || softTimeout) {
standby();
clearIrqStatus();
return(RADIOLIB_ERR_RX_TIMEOUT);
}
// read the received data
return(readData(data, len));
}