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Radio.ino
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Radio.ino
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// include the library
#include <RadioLib.h>
#define PACKETLEN 255
// Change 'SX1278' in the line below to 'SX1276' if you have a SX1276 module.
SX1278 radio = new Module(PIN_NSS, PIN_DIO0, PIN_DIO1);
// create RTTY client instance using the radio module
RTTYClient rtty(&radio);
//===============================================================================
void SetupRTTY()
{
// First setup FSK
SetupFSK();
Serial.print(F("RTTY init.."));
int16_t state = rtty.begin(RTTYSettings.Frequency,
RTTYSettings.Shift,
RTTYSettings.Baud,
RTTYSettings.Encoding,
RTTYSettings.StopBits );
if(state == RADIOLIB_ERR_NONE) // Change this to (state == ERR_NONE) if you use an older radiolib library
{
Serial.println(F("done"));
} else
{
Serial.print(F("failed, code "));
Serial.println(state);
while(true);
}
}
//===============================================================================
void SetupHorus()
{
Serial.println();
Serial.print("Setting up radio for Horus...");
// Initialize the radio in FSK mode
int16_t state = radio.beginFSK();
// Only continue if there is no error state
if(state == RADIOLIB_ERR_NONE)
{
Serial.println(F("success!"));
} else
{
Serial.print(F("failed, code "));
Serial.println(state);
while(true);
}
state = radio.setOutputPower(HORUS_POWER);
Serial.print(F("[FSK4] Initializing ... "));
// initialize FSK4 transmitter
// NOTE: FSK4 frequency shift will be rounded
// to the nearest multiple of frequency step size.
// The exact value depends on the module:
// SX127x/RFM9x - 61 Hz
// RF69 - 61 Hz
// CC1101 - 397 Hz
// SX126x - 1 Hz
// nRF24 - 1000000 Hz
// Si443x/RFM2x - 156 Hz
// SX128x - 198 Hz
state = fsk4_setup(&radio, HORUS_FREQUENCY, HORUS_SPACING, HORUS_BAUD);
if(state == RADIOLIB_ERR_NONE)
{
Serial.println(F("success!"));
} else
{
Serial.print(F("failed, code "));
Serial.println(state);
while(true);
}
}
//===============================================================================
void SetupFSK()
{
// Initialize the SX1278
Serial.print(F("[SX1278] init.."));
// int16_t state = radio.beginFSK();
int16_t state = radio.beginFSK(FSKSettings.Frequency,
FSKSettings.BitRate,
FSKSettings.FreqDev,
FSKSettings.RXBandwidth,
FSKSettings.Power,
FSKSettings.PreambleLength,
FSKSettings.EnableOOK);
if(state == RADIOLIB_ERR_NONE) // Change this to (state == ERR_NONE) if you use an older radiolib library
{
Serial.println(F("done"));
}
else
{
Serial.print(F("failed, code "));
Serial.println(state);
while(true);
}
}
//===============================================================================
void SetupLoRa(int aMode)
{
// Initialize the SX1278
Serial.print(F("[LoRA] Initializing ... "));
ResetRadio();
switch (aMode)
{
case 0:
LoRaSettings.CodeRate = 8;
LoRaSettings.Bandwidth = 20.8;
LoRaSettings.SpreadFactor = 11;
LoRaSettings.Frequency = LORA_FREQUENCY;
break;
case 1:
LoRaSettings.CodeRate = 5;
LoRaSettings.Bandwidth = 20.8;
LoRaSettings.SpreadFactor = 6;
LoRaSettings.Frequency = LORA_FREQUENCY;
break;
case 2:
LoRaSettings.CodeRate = 8;
LoRaSettings.Bandwidth = 62.5;
LoRaSettings.SpreadFactor = 8;
LoRaSettings.Frequency = LORA_FREQUENCY;
break;
case 3:
LoRaSettings.CodeRate = 6;
LoRaSettings.Bandwidth = 250;
LoRaSettings.SpreadFactor = 7;
LoRaSettings.Frequency = LORA_FREQUENCY;
break;
case 4:
LoRaSettings.CodeRate = 5;
LoRaSettings.Bandwidth = 250;
LoRaSettings.SpreadFactor = 6;
LoRaSettings.Frequency = LORA_FREQUENCY;
break;
case 5:
LoRaSettings.CodeRate = 8;
LoRaSettings.Bandwidth = 41.7;
LoRaSettings.SpreadFactor = 11;
LoRaSettings.Frequency = LORA_FREQUENCY;
break;
case 6:
LoRaSettings.CodeRate = 5;
LoRaSettings.Bandwidth = 41.7;
LoRaSettings.SpreadFactor = 6;
LoRaSettings.Frequency = LORA_FREQUENCY;
break;
case 7:
LoRaSettings.CodeRate = 5;
LoRaSettings.Bandwidth = 20.8;
LoRaSettings.SpreadFactor = 7;
LoRaSettings.Frequency = LORA_FREQUENCY;
break;
case 8:
LoRaSettings.CodeRate = 5;
LoRaSettings.Bandwidth = 62.5;
LoRaSettings.SpreadFactor = 6;
LoRaSettings.Frequency = LORA_FREQUENCY;
break;
case 99: // LORA-APRS
LoRaSettings.CodeRate = 5;
LoRaSettings.Bandwidth = 125;
LoRaSettings.SpreadFactor = 12;
LoRaSettings.Frequency = LORA_APRS_FREQUENCY;
break;
}
int16_t state = radio.begin
(
LoRaSettings.Frequency,
LoRaSettings.Bandwidth,
LoRaSettings.SpreadFactor,
LoRaSettings.CodeRate,
LoRaSettings.SyncWord,
LoRaSettings.Power,
LoRaSettings.PreambleLength,
LoRaSettings.Gain
);
switch(LORA_MODE)
{
case 0:
radio.forceLDRO(true);
radio.setCRC(true);
break;
case 1:
radio.implicitHeader(PACKETLEN);
//radio.forceLDRO(true);
radio.setCRC(true);
break;
default:
radio.explicitHeader();
//radio.autoLDRO();
radio.setCRC(true);
break;
}
if(state == RADIOLIB_ERR_NONE) // Change this to (state == ERR_NONE) if you use an older radiolib library
{
Serial.println(F("done"));
}
else
{
Serial.print(F("failed, code "));
Serial.println(state);
while(true);
}
}
//===============================================================================
void SetupRadio()
{
// Setting up the radio
if (RTTY_ENABLED) {SetupRTTY();}
if (LORA_ENABLED) {SetupLoRa(LORA_MODE);}
}
//===============================================================================
void sendRTTY(String TxLine)
{
// Disable the GPS on the softwareserial temporarily
// SerialGPS.end();
SetupRTTY();
// Send only idle carrier to let people get their tuning right
rtty.idle();
delay(RTTY_IDLE_TIME);
// Send the string
Serial.print(F("Send RTTY: "));
Serial.println(TxLine);
int state = rtty.println(TxLine);
rtty.standby();
// Enable the GPS again.
//SerialGPS.begin(GPSBaud);
}
//===============================================================================
void ResetRadio()
{
// Use for ESP based boards
pinMode(PIN_RESET,OUTPUT);
digitalWrite(PIN_RESET, LOW);
delay(100);
digitalWrite(PIN_RESET,HIGH);
delay(100);
}
//===============================================================================
void sendLoRa(String TxLine, int aMode)
{
int state;
SetupLoRa(aMode);
Serial.println(TxLine);
switch (LORA_MODE)
{
case 1:
int i;
int j;
// Send the string
char buf[PACKETLEN];
for (j=0; j<PACKETLEN; j++) { buf[j] = '\0';}
for (i=0; i<TxLine.length(); i++) {buf[i] = TxLine[i];}
state = radio.transmit((uint8_t*)buf,PACKETLEN);
break;
default:
// Send the string
state = radio.transmit(TxLine);
break;
}
if(state == RADIOLIB_ERR_NONE) // Change this to (state == ERR_NONE) if you use an older radiolib library
{
Serial.println(F("done"));
} else
{
Serial.print(F("failed, code "));
Serial.println(state);
}
}
//===============================================================================
void sendHorusV1()
{
int pkt_len;
int coded_len;
// Setup the radio for Horus communication
SetupHorus();
// Start Horus Binary V1
Serial.println(F("Generating Horus Binary v1 Packet"));
// Generate packet for V1
pkt_len = build_horus_binary_packet_v1(rawbuffer);
PrintHex(rawbuffer, pkt_len, debugbuffer);
Serial.print(F("Uncoded Length (bytes): "));
Serial.println(pkt_len);
Serial.print(F("Uncoded: "));
Serial.println(debugbuffer);
// Apply Encoding
coded_len = horus_l2_encode_tx_packet((unsigned char*)codedbuffer,(unsigned char*)rawbuffer,pkt_len);
PrintHex(codedbuffer, coded_len, debugbuffer);
Serial.print(F("Encoded Length (bytes): "));
Serial.println(coded_len);
Serial.print(F("Coded: "));
Serial.println(debugbuffer);
// Transmit!
Serial.println(F("Transmitting Horus Binary v1 Packet"));
// send out idle condition for 1000 ms
fsk4_idle(&radio);
delay(1000);
fsk4_preamble(&radio, 8);
fsk4_write(&radio, codedbuffer, coded_len);
Serial.println();
}
//===============================================================================
void sendHorusV2()
{
int pkt_len;
int coded_len;
// Setup the radio for Horus communication
SetupHorus();
// Start Horus Binary V1
Serial.println(F("Generating Horus Binary v2 Packet"));
// Generate packet for V1
pkt_len = build_horus_binary_packet_v2(rawbuffer);
PrintHex(rawbuffer, pkt_len, debugbuffer);
Serial.print(F("Uncoded Length (bytes): "));
Serial.println(pkt_len);
Serial.print(F("Uncoded: "));
Serial.println(debugbuffer);
// Apply Encoding
coded_len = horus_l2_encode_tx_packet((unsigned char*)codedbuffer,(unsigned char*)rawbuffer,pkt_len);
PrintHex(codedbuffer, coded_len, debugbuffer);
Serial.print(F("Encoded Length (bytes): "));
Serial.println(coded_len);
Serial.print("Coded: ");
Serial.println(debugbuffer);
// Transmit!
Serial.println(F("Transmitting Horus Binary v2 Packet"));
// send out idle condition for 1000 ms
fsk4_idle(&radio);
delay(1000);
fsk4_preamble(&radio, 8);
fsk4_write(&radio, codedbuffer, coded_len);
}
//===============================================================================
void sendLoRaAprs()
{
String aprs_packet;
String lat="";
String lon="";
int deg;
int min;
float minute_remainder;
float second_remainder;
aprs_packet = "";
aprs_packet += "<\xff\x01";
// Add Source
aprs_packet += LORA_APRS_PAYLOAD_ID;
// Add SSID
aprs_packet += LORA_APRS_SSID;
//Add Destination (do not use digipeating)
aprs_packet += ">";
aprs_packet += "APZTBT"; // destination callsign_APRS_DEST;
// start of "real" data (Coordinates with timestamp)
aprs_packet += ":@";
// get the APRS timestamp
aprs_packet += getAPRStimestamp();
// get the APRS latitude
aprs_packet += getAPRSlat(UGPS.Latitude);
// Add the symbol for the primary symbol table
aprs_packet += "/";
// Add the longitude
aprs_packet += getAPRSlon(UGPS.Longitude);
// Add the symbol for balloon
aprs_packet += "O";
// Add the altitude
aprs_packet += getAPRSAlt(UGPS.Altitude);
// Add a meesage
aprs_packet += " LoRa-APRS HAB-NL";
Serial.println("Sending LoRa APRS packet...");
sendLoRa(aprs_packet,LORA_APRS_MODE);
}