diff --git a/src/modules/CC1101/CC1101.cpp b/src/modules/CC1101/CC1101.cpp index d36c3d2b9..fbfa212bc 100644 --- a/src/modules/CC1101/CC1101.cpp +++ b/src/modules/CC1101/CC1101.cpp @@ -139,7 +139,7 @@ int16_t CC1101::receive(uint8_t* data, size_t len) { int16_t state = startReceive(); RADIOLIB_ASSERT(state); - // wait for packet or timeout + // wait for packet start or timeout uint32_t start = this->mod->hal->micros(); while(this->mod->hal->digitalRead(this->mod->getIrq())) { this->mod->hal->yield(); @@ -151,11 +151,16 @@ int16_t CC1101::receive(uint8_t* data, size_t len) { } } - // for some reason, blocking receive will sometimes return impossible packet lengths - // reading packet length again in readData seems to resolve this - size_t length = getPacketLength(); - if((length == 0) || (length > RADIOLIB_CC1101_MAX_PACKET_LENGTH)) { - this->packetLengthQueried = false; + // wait for packet end or timeout + start = this->mod->hal->micros(); + while(!this->mod->hal->digitalRead(this->mod->getIrq())) { + this->mod->hal->yield(); + + if(this->mod->hal->micros() - start > timeout) { + standby(); + SPIsendCommand(RADIOLIB_CC1101_CMD_FLUSH_RX); + return(RADIOLIB_ERR_RX_TIMEOUT); + } } // read packet data