//=====================================
u8 sx1278_LoRaRxPacket(void)
//=====================================
{
u8 i;
u8 addr;
u8 packet_size;
if(Get_NIRQ())
{
for(i=0;i<32;i++)
RxData[i] = 0x00;
addr = SPIRead(LR_RegFifoRxCurrentaddr); //last packet addr
SPIWrite(LR_RegFifoAddrPtr,addr); //RxBaseAddr -> FiFoAddrPtr
if(sx1278SpreadFactorTable[Lora_Rate_Sel]==6) //When SpreadFactor is six£¬will used Implicit Header mode(Excluding internal packet length)
packet_size=21;
else
packet_size = SPIRead(LR_RegRxNbBytes); //Number for received bytes
SPIBurstRead(0x00, RxData, packet_size);
SPIWrite(LR_RegIrqFlags,LoRa_ClearIRQ_Value);
for(i=0;i<17;i++)
{
if(RxData[i]!=sx1278Data[i])
break;
}
if(i>=17) //Rx success
return(1);
else
return(0);
}
else
return(0);
}
/******************************************************************************
**Name: SI4432_RxPacket
**Function: receive package data in FIFO to buffer
**Input: receive buffer
** len =0--dont care
** >0--max bytes to read
**output: 1--receive sucessful
** 0--no receive or receive wrong
******************************************************************************/
byte SI4432_RxPacket(byte *buffer, int len)
{
byte i;
int recvLen;
if (!buffer) return 0; // no nil buffer!
SPIWrite(0x0701); // Disable Rx chain
recvLen = SPIRead(0x4B); // How many bytes do we have?
if (((len > 0) && (recvLen < len)) || (len == 0)) {
len = recvLen;
}
if (len > FIFOSIZE)
len = FIFOSIZE; // so that we won't BOF
for(i=0;i<len;i++)
buffer[i] = 0x00;
SPIBurstRead(0x7F, buffer, len);
return len;
}
