/******************************************************************************
**Name: SI4432_TxPacket
**Function: transmit package data in buffer to FIFO
**Input: buffer, bytes to sent
**Output: 0--error
** 1--ok
******************************************************************************/
byte SI4432_TxPacket(byte *buffer, int len)
{
if (!buffer) return 0; // no nil buffer!
if (len > FIFOSIZE) return 0; // no over size ego
SPIRead(0x03); //Clr nIRQ
SPIRead(0x04);
BurstWrite(0x7F, buffer, len);
SPIWrite(0x0709); //Tx state
while(digitalRead(nIRQ) && (millis()-lastTime<Tx_WAIT_TIMEOUT));
irqStatus1 = SPIRead(0x03); //Clr nIRQ
irqStatus2 = SPIRead(0x04);
if (irqStatus1 & 0x04 == 0x04)
return 1;
return 0;
}
//=====================================
u8 sx1278_LoRaTxPacket(void)
//=====================================
{
u8 TxFlag=0;
u8 addr;
BurstWrite(0x00, (u8 *)sx1278Data, 21);
SPIWrite(LR_RegOpMode,0x8b); //Tx Mode
while(1)
{
if(Get_NIRQ()) //Packet send over
{
SPIRead(LR_RegIrqFlags);
SPIWrite(LR_RegIrqFlags,LoRa_ClearIRQ_Value); //Clear irq
SPIWrite(LR_RegOpMode,LoRa_Standby_Value); //Entry Standby mode
break;
}
}
}
//=====================================
void sx1278_Config(void)
//=====================================
{
u8 i;
SPIWrite(LR_RegOpMode,LoRa_Sleep_Value); //Change modem mode Must in Sleep mode
for(i=250;i!=0;i--) //Delay
NOP();
delay_ms(15);
//lora mode
SPIWrite(LR_RegOpMode,LoRa_Entry_Value);
BurstWrite(LR_RegFrMsb,sx1278FreqTable[Freq_Sel],3); //setting frequency parameter
//setting base parameter
SPIWrite(LR_RegPaConfig,sx1278PowerTable[Power_Sel]); //Setting output power parameter
SPIWrite(LR_RegOcp,0x0B); //RegOcp,Close Ocp
SPIWrite(LR_RegLna,0x23); //RegLNA,High & LNA Enable
if(sx1278SpreadFactorTable[Lora_Rate_Sel]==6) //SFactor=6
{
u8 tmp;
SPIWrite(LR_RegModemConfig1,((sx1278LoRaBwTable[BandWide_Sel]<<4)+(CR<<1)+0x01));//Implicit Enable CRC Enable(0x02) & Error Coding rate 4/5(0x01), 4/6(0x02), 4/7(0x03), 4/8(0x04)
SPIWrite(LR_RegModemConfig2,((sx1278SpreadFactorTable[Lora_Rate_Sel]<<4)+(CRC<<2)+0x03));
tmp = SPIRead(0x31);
tmp &= 0xF8;
tmp |= 0x05;
SPIWrite(0x31,tmp);
SPIWrite(0x37,0x0C);
}
else
{
SPIWrite(LR_RegModemConfig1,((sx1278LoRaBwTable[BandWide_Sel]<<4)+(CR<<1)+0x00));//Explicit Enable CRC Enable(0x02) & Error Coding rate 4/5(0x01), 4/6(0x02), 4/7(0x03), 4/8(0x04)
SPIWrite(LR_RegModemConfig2,((sx1278SpreadFactorTable[Lora_Rate_Sel]<<4)+(CRC<<2)+0x03)); //SFactor & LNA gain set by the internal AGC loop
}
SPIWrite(LR_RegSymbTimeoutLsb,0xFF); //RegSymbTimeoutLsb Timeout = 0x3FF(Max)
SPIWrite(LR_RegPreambleMsb,0x00); //RegPreambleMsb
SPIWrite(LR_RegPreambleLsb,12); //RegPreambleLsb 8+4=12byte Preamble
SPIWrite(REG_LR_DIOMAPPING2,0x01); //RegDioMapping2 DIO5=00, DIO4=01
SPIWrite(LR_RegOpMode,LoRa_Standby_Value); //Entry standby mode
}
void RealTimeClock::SetTime( const TimeData& Time )
{
m_SPI.BurstWrite(RTC_02_Sec,(const uint8_t*)&Time,sizeof(Time));
}