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TTGO-T-Beam-LoRa-APRS
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TTGO-T-Beam-LoRa-APRS/src/TTGO_T-Beam_LoRa_APRS.ino

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48 KiB
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// Tracker for LoRA APRS
// from OE1ACM and OE3CJB redesigned by SQ9MDD
// KISS ans Bluetooth by SQ5RWU
// TTGO T-Beam v1.0 only
//
// licensed under CC BY-NC-SA
// Includes
//#include <TTGO_T-Beam_LoRa_APRS_config.h> // to config user parameters
#include <Arduino.h>
#include <SPI.h>
#include <BG_RF95.h> // library from OE1ACM
#include <math.h>
#include <driver/adc.h>
#include <Wire.h>
#include <Adafruit_I2CDevice.h>
#include <Adafruit_SSD1306.h>
#include <splash.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SPITFT.h>
#include <Adafruit_SPITFT_Macros.h>
#include <gfxfont.h>
#include "taskGPS.h"
#include "version.h"
#include "preference_storage.h"
#include "syslog_log.h"
#include "XPowersLib.h"
#ifdef KISS_PROTOCOL
#include "taskTNC.h"
#endif
#ifdef ENABLE_WIFI
#include "taskWebServer.h"
#endif
// oled address
#define SSD1306_ADDRESS 0x3C
// SPI config
#define SPI_sck 5
#define SPI_miso 19
#define SPI_mosi 27
#define SPI_ss 18
// IO config
#ifdef T_BEAM_V1_2
#define XPOWERS_CHIP_AXP2101
#define I2C_SDA 21
#define I2C_SCL 22
#define BUTTON 38 //pin number for Button on TTGO T-Beam
#define BUZZER 15 // enter your buzzer pin gpio
const byte TXLED = 4;
#elif T_BEAM_V1_0
#define XPOWERS_CHIP_AXP192
#define I2C_SDA 21
#define I2C_SCL 22
#define BUTTON 38 //pin number for Button on TTGO T-Beam
#define BUZZER 15 // enter your buzzer pin gpio
const byte TXLED = 4; //pin number for LED on TX Tracker
#elif T_BEAM_V0_7
#define I2C_SDA 21
#define I2C_SCL 22
#define BUTTON 39 //pin number for Button on TTGO T-Beam
#define BUZZER 15 // enter your buzzer pin gpio
const byte TXLED = 4; //pin number for LED on TX Tracker
/* Original LORA32 V2.1 Setup
#elif LORA32_21
#define I2C_SDA 4
#define I2C_SCL 15
#define BUTTON 2 //pin number for BUTTO
#define BUZZER 13 // enter your buzzer pin gpio
const byte TXLED = 4; //pin number for LED on TX Tracker
*/
#elif LORA32_21 // Modified as in #47
#define I2C_SDA 21
#define I2C_SCL 22
#define BUTTON 2 //pin number for BUTTO
#define BUZZER 13 // enter your buzzer pin gpio
const byte TXLED = 4; //pin number for LED on TX Tracker
#elif LORA32_2
#define I2C_SDA 21
#define I2C_SCL 22
#define BUTTON 2 //pin number for BUTTO
#define BUZZER 13 // enter your buzzer pin gpio
const byte TXLED = 4; //pin number for LED on TX Tracker
#elif LORA32_1
#define I2C_SDA 21
#define I2C_SCL 22
#define BUTTON 2 //pin number for BUTTO
#define BUZZER 13 // enter your buzzer pin gpio
const byte TXLED = 4; //pin number for LED on TX Tracker
#elif HELTEC_V1
#define I2C_SDA 4
#define I2C_SCL 15
#define BUTTON 2 //pin number for BUTTO
#define BUZZER 13 // enter your buzzer pin gpio
const byte TXLED = 4; //pin number for LED on TX Tracker
#elif HELTEC_V2
#define I2C_SDA 4
#define I2C_SCL 15
#define BUTTON 2 //pin number for BUTTO
#define BUZZER 13 // enter your buzzer pin gpio
const byte TXLED = 4; //pin number for LED on TX Tracker
#endif
// Variables for LoRa settings
ulong lora_speed = 1200;
double lora_freq = 433.775;
// Variables for APRS packaging
String Tcall; //your Call Sign for normal position reports
String aprsSymbolTable = APRS_SYMBOL_TABLE;
String aprsSymbol = APRS_SYMBOL;
String relay_path;
String aprsComment = MY_COMMENT;
String aprsLatPreset = LATIDUDE_PRESET;
String aprsLonPreset = LONGITUDE_PRESET;
boolean gps_state = true;
boolean key_up = true;
boolean t_lock = false;
boolean fixed_beacon_enabled = false;
boolean show_cmt = true;
// Telemetry sequence, current value
int tel_sequence;
// Telemetry path
String tel_path;
#ifdef SHOW_ALT
boolean showAltitude = true;
#else
boolean showAltitude = false;
#endif
#ifdef SHOW_BATT
boolean showBattery = true;
#else
boolean showBattery = false;
#endif
#ifdef ENABLE_TNC_SELF_TELEMETRY
boolean enable_tel = true;
#else
boolean enable_tel = false;
#endif
// Telemetry interval, seconds
#ifdef TNC_SELF_TELEMETRY_INTERVAL
int tel_interval = TNC_SELF_TELEMETRY_INTERVAL;
#else
int tel_interval = 3600;
#endif
#ifdef TNC_SELF_TELEMETRY_MIC
int tel_mic = 1; // telemetry as "T#MIC"
#else
int tel_mic = 0; // telemetry as "T#001"
#endif
#ifdef ENABLE_BLUETOOTH
boolean enable_bluetooth = true;
#else
boolean enable_bluetooth = false;
#endif
#ifdef ENABLE_OLED
boolean enabled_oled = true;
#else
boolean enabled_oled = false;
#endif
// Variables and Constants
String loraReceivedFrameString = ""; //data on buff is copied to this string
String Outputstring = "";
String outString=""; //The new Output String with GPS Conversion RAW
String LongShown="";
String LatShown="";
String LongFixed="";
String LatFixed="";
#if defined(ENABLE_TNC_SELF_TELEMETRY) && defined(KISS_PROTOCOL)
time_t nextTelemetryFrame;
#endif
//byte arrays
byte lora_TXBUFF[BG_RF95_MAX_MESSAGE_LEN]; //buffer for packet to send
byte lora_RXBUFF[BG_RF95_MAX_MESSAGE_LEN]; //buffer for packet to send
//byte Variables
byte lora_TXStart; //start of packet data in TXbuff
byte lora_TXEnd; //end of packet data in TXbuff
byte lora_FTXOK; //flag, set to 1 if TX OK
byte lora_TXPacketType; //type number of packet to send
byte lora_TXDestination; //destination address of packet to send
byte lora_TXSource; //source address of packet received
byte lora_FDeviceError; //flag, set to 1 if RFM98 device error
byte lora_TXPacketL; //length of packet to send, includes source, destination and packet type.
unsigned long lastTX = 0L;
float ConvertToV;
float BattVolts;
float InpVolts;
// variables for smart beaconing
ulong sb_min_interval = 60000L;
ulong sb_max_interval = 360000L;
float sb_min_speed = 0;
float sb_max_speed = 30;
float sb_angle = 30; // angle to send packet at smart beaconing
float average_speed[5] = {0,0,0,0,0}, average_speed_final=0;
float old_course = 0, new_course = 0;
int point_avg_speed = 0, point_avg_course = 0;
ulong nextTX=60000L; // preset time period between TX = 60000ms = 60secs = 1min
ulong time_to_refresh = 0;
ulong next_fixed_beacon = 0;
ulong fix_beacon_interval = FIX_BEACON_INTERVAL;
ulong showRXTime = SHOW_RX_TIME;
ulong time_delay = 0;
ulong shutdown_delay = 0;
ulong shutdown_delay_time = 10000;
ulong shutdown_countdown_timer = 0;
boolean shutdown_active =true;
boolean shutdown_countdown_timer_enable = false;
boolean shutdown_usb_status_bef = false;
// Variables required to Power Save OLED
// With "Display dimmer enabled" it will turn OLED off after some time
// if the checkbox is disabled the display stays OFF
uint oled_timeout = SHOW_OLED_TIME; // OLED Timeout
bool tempOled = true; // Turn ON OLED at first startup
ulong oled_timer;
bool manBeacon = false;
// Variable to show AP settings on OLED
bool apEnabled = false;
bool apConnected = false;
String infoApName = "";
String infoApPass = "";
String infoApAddr = "";
#define ANGLE_AVGS 3 // angle averaging - x times
float average_course[ANGLE_AVGS];
float avg_c_y, avg_c_x;
uint8_t txPower = TXdbmW;
#ifdef ENABLE_WIFI
tWebServerCfg webServerCfg;
#endif
static const adc_atten_t atten = ADC_ATTEN_DB_6;
static const adc_unit_t unit = ADC_UNIT_1;
#ifdef T_BEAM_V1_0
bool pmu_flag = 0;
XPowersAXP192 PMU;
void setFlag(void)
{
pmu_flag = true;
}
#elif T_BEAM_V1_2 //PMU TBEAM 1.2
bool pmu_flag = 0;
XPowersAXP2101 PMU;
void setFlag(void)
{
pmu_flag = true;
}
#endif
// checkRX
uint8_t loraReceivedLength = sizeof(lora_RXBUFF);
// Singleton instance of the radio driver
BG_RF95 rf95(18, 26); // TTGO T-Beam has NSS @ Pin 18 and Interrupt IO @ Pin26
// initialize OLED display
#define OLED_RESET 16 // not used
Adafruit_SSD1306 display(128, 64, &Wire, OLED_RESET);
// + FUNCTIONS-----------------------------------------------------------+//
char *ax25_base91enc(char *s, uint8_t n, uint32_t v){
/* Creates a Base-91 representation of the value in v in the string */
/* pointed to by s, n-characters long. String length should be n+1. */
for(s += n, *s = '\0'; n; n--)
{
*(--s) = v % 91 + 33;
v /= 91;
}
return(s);
}
#if defined(KISS_PROTOCOL)
/**
*
* @param TNC2FormatedFrame
*/
void sendToTNC(const String& TNC2FormatedFrame) {
if (tncToSendQueue){
auto *buffer = new String();
buffer->concat(TNC2FormatedFrame);
if (xQueueSend(tncReceivedQueue, &buffer, (1000 / portTICK_PERIOD_MS)) != pdPASS){
// remove buffer on error
delete buffer;
}
}
}
#endif
void enablepins(){
#ifdef T_BEAM_V1_2
PMU.enableBattDetection();
PMU.enableVbusVoltageMeasure();
PMU.enableBattVoltageMeasure();
PMU.enableSystemVoltageMeasure();
#elif T_BEAM_V1_0
PMU.enableBattDetection();
PMU.enableVbusVoltageMeasure();
PMU.enableBattVoltageMeasure();
PMU.enableSystemVoltageMeasure();
#elif T_BEAM_V0_7 /*
adcAttachPin(35);
adcStart(35);
analogReadResolution(10);
analogSetAttenuation(ADC_6db); */
pinMode(35, INPUT);
//adc1_config_width(ADC_WIDTH_BIT_12);
//adc1_config_channel_atten(ADC1_CHANNEL_7,ADC_ATTEN_DB_11);
#endif
}
void prepareAPRSFrame(){
String helper;
String Altx;
String Speedx, Coursex;
char helper_base91[] = {"0000\0"};
double Tlat=52.0000, Tlon=20.0000;
double Tspeed=0, Tcourse=0;
uint32_t aprs_lat, aprs_lon;
int i;
int Talt;
Tlat=gps.location.lat();
Tlon=gps.location.lng();
Tcourse=gps.course.deg();
Tspeed=gps.speed.knots();
aprs_lat = 900000000 - Tlat * 10000000;
aprs_lat = aprs_lat / 26 - aprs_lat / 2710 + aprs_lat / 15384615;
aprs_lon = 900000000 + Tlon * 10000000 / 2;
aprs_lon = aprs_lon / 26 - aprs_lon / 2710 + aprs_lon / 15384615;
outString = "";
outString += Tcall;
if (relay_path.isEmpty()){
outString += ">APLO02:!";
}else{
outString += ">APLO02," + relay_path + ":!";
}
if(gps_state && gps.location.isValid()){
outString += aprsSymbolTable;
ax25_base91enc(helper_base91, 4, aprs_lat);
for (i = 0; i < 4; i++) {
outString += helper_base91[i];
}
ax25_base91enc(helper_base91, 4, aprs_lon);
for (i = 0; i < 4; i++) {
outString += helper_base91[i];
}
outString += aprsSymbol;
ax25_base91enc(helper_base91, 1, (uint32_t) Tcourse / 4);
outString += helper_base91[0];
ax25_base91enc(helper_base91, 1, (uint32_t) (log1p(Tspeed) / 0.07696));
outString += helper_base91[0];
outString += "H";
if (showAltitude){
Talt = gps.altitude.meters() * 3.28;
Altx = Talt;
outString += "/A=";
for (i = 0; i < (6 - Altx.length()); ++i){
outString += "0";
}
outString += Talt;
}
}else{ //fixed position not compresed
outString += aprsLatPreset;
outString += aprsSymbolTable;
outString += aprsLonPreset;
outString += aprsSymbol;
}
if(show_cmt){
outString += aprsComment;
}
if(showBattery){
outString += " Batt=";
outString += String(BattVolts, 2);
outString += ("V");
}
#ifdef KISS_PROTOCOL
sendToTNC(outString);
#endif
}
#ifdef BUZZER
/**
* Buzzer sound playback
* @param melody - must be an array. Consisting of an even number of values. frequency and duration
* @param array_size - number of elements in the array
*/
void buzzer(int* melody, int array_size){
for(int i=0; i<array_size; i+=2){
ledcWriteTone(0, *melody);
melody++;
delay(*melody);
melody++;
}
ledcWriteTone(0,0); // turn off buzzer
}
#endif
/**
* Send message as APRS LoRa packet
* @param lora_LTXPower
* @param lora_FREQ
* @param message
*/
void loraSend(byte lora_LTXPower, float lora_FREQ, const String &message) {
#ifdef ENABLE_LED_SIGNALING
digitalWrite(TXLED, LOW);
#endif
lastTX = millis();
int messageSize = min(message.length(), sizeof(lora_TXBUFF) - 1);
message.toCharArray((char*)lora_TXBUFF, messageSize + 1, 0);
if(lora_speed==1200){
rf95.setModemConfig(BG_RF95::Bw125Cr47Sf512);
}
else if(lora_speed==610){
rf95.setModemConfig(BG_RF95::Bw125Cr48Sf1024);
}
else if(lora_speed==180){
rf95.setModemConfig(BG_RF95::Bw125Cr48Sf4096);
}
else if(lora_speed==210){
rf95.setModemConfig(BG_RF95::Bw125Cr47Sf4096);
}
else if(lora_speed==240){
rf95.setModemConfig(BG_RF95::Bw125Cr46Sf4096);
}
else {
rf95.setModemConfig(BG_RF95::Bw125Cr45Sf4096);
}
rf95.setFrequency(lora_FREQ);
rf95.setTxPower(lora_LTXPower);
rf95.sendAPRS(lora_TXBUFF, messageSize);
rf95.waitPacketSent();
#ifdef ENABLE_LED_SIGNALING
digitalWrite(TXLED, HIGH);
#endif
}
void batt_read(){
ConvertToV = 1000;
#ifdef T_BEAM_V1_2
BattVolts = PMU.getBattVoltage()/ConvertToV;
InpVolts = PMU.getVbusVoltage()/ConvertToV;
#elif T_BEAM_V1_0
BattVolts = PMU.getBattVoltage()/ConvertToV;
InpVolts = PMU.getVbusVoltage()/ConvertToV;
#elif T_BEAM_V0_7
BattVolts = (((float)analogRead(35) / 8192.0) * 2.0 * 3.3 * (1100.0 / 1000.0))+0.41; // fixed thanks to Luca IU2FRL
//BattVolts = adc1_get_raw(ADC1_CHANNEL_7)/1000;
#else
BattVolts = analogRead(35)*7.221/4096;
#endif
Serial.print(BattVolts);
}
void sendpacket(){
#ifdef BUZZER
int melody[] = {1000, 50, 800, 100};
buzzer(melody, sizeof(melody)/sizeof(int));
#endif
batt_read();
prepareAPRSFrame();
loraSend(txPower, lora_freq, outString); //send the packet, data is in TXbuff from lora_TXStart to lora_TXEnd
}
void writedisplaytext(String HeaderTxt, String Line1, String Line2, String Line3, String Line4, String Line5) {
batt_read();
if (BattVolts < 3.5 && BattVolts > 3.3){
#ifdef T_BEAM_V1_2
#ifdef ENABLE_LED_SIGNALING
PMU.setChargingLedMode(XPOWERS_CHG_LED_BLINK_1HZ);
#endif
#elif T_BEAM_V1_0
# ifdef ENABLE_LED_SIGNALING
PMU.setChargingLedMode(XPOWERS_CHG_LED_BLINK_1HZ);
#endif
#endif
}
else if(BattVolts <= 3.3){
#ifdef T_BEAM_V1_2
PMU.setChargingLedMode(XPOWERS_CHG_LED_BLINK_4HZ);
#elif T_BEAM_V1_0
PMU.setChargingLedMode(XPOWERS_CHG_LED_BLINK_4HZ);
#endif
}
else if(BattVolts <=3.0){
#ifdef T_BEAM_V1_2
//PMU.shutdown();
#elif T_BEAM_V1_0
PMU.shutdown();
#endif
}
display.clearDisplay();
display.setTextColor(WHITE);
display.setTextSize(2);
display.setCursor(0,0);
display.println(HeaderTxt);
display.setTextSize(1);
display.setCursor(0,16);
display.println(Line1);
display.setCursor(0,26);
display.println(Line2);
display.setCursor(0,36);
display.println(Line3);
display.setCursor(0,46);
display.println(Line4);
display.setCursor(0,56);
display.println(Line5);
if (!enabled_oled){ // disable oled
display.dim(true);
}
display.display();
time_to_refresh = millis() + showRXTime;
}
String getSatAndBatInfo() {
String line5;
if(gps_state == true){
if(InpVolts > 4){
line5 = "SAT: " + String(gps.satellites.value()) + " BAT: " + String(BattVolts, 1) + "V*";
}else{
line5 = "SAT: " + String(gps.satellites.value()) + " BAT: " + String(BattVolts, 2) + "V";
}
}else{
if(InpVolts > 4){
line5 = "SAT: X BAT: " + String(BattVolts, 1) + "V*";
}else{
line5 = "SAT: X BAT: " + String(BattVolts, 2) + "V";
}
}
#if defined(ENABLE_BLUETOOTH) && defined(KISS_PROTOCOL)
if (SerialBT.hasClient()){
line5 += "BT";
}
#endif
return line5;
}
void displayInvalidGPS() {
char *nextTxInfo;
if (!gps_state){
nextTxInfo = (char*)"(TX) GPS DISABLED";
} else {
nextTxInfo = (char*)"(TX) at valid GPS";
}
writedisplaytext(" " + Tcall, nextTxInfo, "LAT: not valid", "LON: not valid", "SPD: --- CRS: ---", getSatAndBatInfo());
}
//#if defined(KISS_PROTOCOL)
//**
// *
// * @param TNC2FormatedFrame
// *
//void sendToTNC(const String& TNC2FormatedFrame) {
// if (tncToSendQueue){
// auto *buffer = new String();
// buffer->concat(TNC2FormatedFrame);
// if (xQueueSend(tncReceivedQueue, &buffer, (1000 / portTICK_PERIOD_MS)) != pdPASS){
// // remove buffer on error
// delete buffer;
// }
// }
//}
//#endif
#if defined(ENABLE_WIFI)
/**
*
* @param TNC2FormatedFrame
*/
void sendToWebList(const String& TNC2FormatedFrame, const int RSSI, const int SNR) {
if (webListReceivedQueue){
auto *receivedPacketData = new tReceivedPacketData();
receivedPacketData->packet = new String();
receivedPacketData->packet->concat(TNC2FormatedFrame);
receivedPacketData->RSSI = RSSI;
receivedPacketData->SNR = SNR;
getLocalTime(&receivedPacketData->rxTime);
if (xQueueSend(webListReceivedQueue, &receivedPacketData, (1000 / portTICK_PERIOD_MS)) != pdPASS){
// remove buffer on error
delete receivedPacketData->packet;
delete receivedPacketData;
}
}
}
#endif
String prepareCallsign(const String& callsign){
String tmpString = "";
for (int i=0; i<callsign.length();++i){ // remove unneeded "spaces" from callsign field
if (callsign.charAt(i) != ' ') {
tmpString += callsign.charAt(i);
}
}
return tmpString;
}
#if defined(ENABLE_TNC_SELF_TELEMETRY) && defined(KISS_PROTOCOL)
void sendTelemetryFrame() {
if(enable_tel == true){
#ifdef T_BEAM_V1_2
uint8_t b_volt = (PMU.getBattVoltage() - 3000) / 5.1;
uint8_t ac_volt = (PMU.getVbusVoltage() - 3000) / 28;
// Pad telemetry message address to 9 characters
char Tcall_message_char[9];
sprintf_P(Tcall_message_char, "%-9s", Tcall);
String Tcall_message = String(Tcall_message_char);
// Flash the light when telemetry is being sent
#ifdef ENABLE_LED_SIGNALING
digitalWrite(TXLED, LOW);
#endif
// Determine sequence number (or 'MIC')
String tel_sequence_str;
if(tel_mic == 1){
tel_sequence_str = "MIC";
}else{
// Get the current saved telemetry sequence
tel_sequence = preferences.getUInt(PREF_TNC_SELF_TELEMETRY_SEQ, 0);
// Pad to 3 digits
char tel_sequence_char[3];
sprintf_P(tel_sequence_char, "%03u", tel_sequence);
tel_sequence_str = String(tel_sequence_char);
}
// Format telemetry path
String tel_path_str;
if(tel_path == ""){
tel_path_str = tel_path;
}else{
tel_path_str = "," + tel_path;
}
String telemetryParamsNames = String(":") + Tcall_message + ":PARM.B Volt,AC V,";
String telemetryUnitNames = String(":") + Tcall_message + ":UNIT.mV,mV,";
String telemetryEquations = String(":") + Tcall_message + ":EQNS.0,5.1,3000,0,10,0,0,10,0,0,28,3000,0,10,0";
String telemetryData = String("T#") + tel_sequence_str + "," + String(b_volt) + "," + String(ac_volt) + ",00000000";
String telemetryBase = "";
telemetryBase += Tcall + ">APLO02" + tel_path_str + ":";
Serial.print(telemetryBase);
sendToTNC(telemetryBase + telemetryParamsNames);
sendToTNC(telemetryBase + telemetryUnitNames);
sendToTNC(telemetryBase + telemetryEquations);
sendToTNC(telemetryBase + telemetryData);
// Show when telemetry is being sent
writedisplaytext("((TEL TX))","","","","","");
// Flash the light when telemetry is being sent
#ifdef ENABLE_LED_SIGNALING
digitalWrite(TXLED, HIGH);
#endif
// Update the telemetry sequence number
if(tel_sequence >= 999){
tel_sequence = 0;
}else{
tel_sequence = tel_sequence + 1;
}
preferences.putUInt(PREF_TNC_SELF_TELEMETRY_SEQ, tel_sequence);
#elif T_BEAM_V1_0
uint8_t b_volt = (PMU.getBattVoltage() - 3000) / 5.1;
uint8_t b_in_c = (PMU.getBatteryChargeCurrent()) / 10;
uint8_t b_out_c = (PMU.getBattDischargeCurrent()) / 10;
uint8_t ac_volt = (PMU.getVbusVoltage() - 3000) / 28;
uint8_t ac_c = (PMU.getVbusCurrent()) / 10;
// Pad telemetry message address to 9 characters
char Tcall_message_char[9];
sprintf_P(Tcall_message_char, "%-9s", Tcall);
String Tcall_message = String(Tcall_message_char);
// Flash the light when telemetry is being sent
#ifdef ENABLE_LED_SIGNALING
digitalWrite(TXLED, LOW);
#endif
// Determine sequence number (or 'MIC')
String tel_sequence_str;
if(tel_mic == 1){
tel_sequence_str = "MIC";
}else{
// Get the current saved telemetry sequence
tel_sequence = preferences.getUInt(PREF_TNC_SELF_TELEMETRY_SEQ, 0);
// Pad to 3 digits
char tel_sequence_char[3];
sprintf_P(tel_sequence_char, "%03u", tel_sequence);
tel_sequence_str = String(tel_sequence_char);
}
// Format telemetry path
String tel_path_str;
if(tel_path == ""){
tel_path_str = tel_path;
}else{
tel_path_str = "," + tel_path;
}
String telemetryParamsNames = String(":") + Tcall_message + ":PARM.B Volt,B In,B Out,AC V,AC C";
String telemetryUnitNames = String(":") + Tcall_message + ":UNIT.mV,mA,mA,mV,mA";
String telemetryEquations = String(":") + Tcall_message + ":EQNS.0,5.1,3000,0,10,0,0,10,0,0,28,3000,0,10,0";
String telemetryData = String("T#") + tel_sequence_str + "," + String(b_volt) + "," + String(b_in_c) + "," + String(b_out_c) + "," + String(ac_volt) + "," + String(ac_c) + ",00000000";
String telemetryBase = "";
telemetryBase += Tcall + ">APLO02" + tel_path_str + ":";
Serial.print(telemetryBase);
sendToTNC(telemetryBase + telemetryParamsNames);
sendToTNC(telemetryBase + telemetryUnitNames);
sendToTNC(telemetryBase + telemetryEquations);
sendToTNC(telemetryBase + telemetryData);
// Show when telemetry is being sent
writedisplaytext("((TEL TX))","","","","","");
// Flash the light when telemetry is being sent
#ifdef ENABLE_LED_SIGNALING
digitalWrite(TXLED, HIGH);
#endif
// Update the telemetry sequence number
if(tel_sequence >= 999){
tel_sequence = 0;
}else{
tel_sequence = tel_sequence + 1;
}
preferences.putUInt(PREF_TNC_SELF_TELEMETRY_SEQ, tel_sequence);
#endif
}
}
#endif
// + SETUP --------------------------------------------------------------+//
void setup(){
SPI.begin(SPI_sck,SPI_miso,SPI_mosi,SPI_ss); //DO2JMG Heltec Patch
Serial.begin(115200);
#ifdef BUZZER
ledcSetup(0,1E5,12);
ledcAttachPin(BUZZER,0);
ledcWriteTone(0,0); // turn off buzzer on start
#endif
#ifdef DIGI_PATH
relay_path = DIGI_PATH;
#else
relay_path = "";
#endif
#ifdef FIXED_BEACON_EN
fixed_beacon_enabled = true;
#endif
// This section loads values from saved preferences,
// if available.
// https://randomnerdtutorials.com/esp32-save-data-permanently-preferences/
#ifdef ENABLE_PREFERENCES
int clear_preferences = 0;
if(digitalRead(BUTTON)==LOW){
clear_preferences = 1;
}
preferences.begin("cfg", false);
// LoRa transmission settings
if (!preferences.getBool(PREF_LORA_FREQ_PRESET_INIT)){
preferences.putBool(PREF_LORA_FREQ_PRESET_INIT, true);
preferences.putDouble(PREF_LORA_FREQ_PRESET, lora_freq);
}
lora_freq = preferences.getDouble(PREF_LORA_FREQ_PRESET);
if (!preferences.getBool(PREF_LORA_SPEED_PRESET_INIT)){
preferences.putBool(PREF_LORA_SPEED_PRESET_INIT, true);
preferences.putInt(PREF_LORA_SPEED_PRESET, lora_speed);
}
lora_speed = preferences.getInt(PREF_LORA_SPEED_PRESET);
// APRS station settings
aprsSymbolTable = preferences.getString(PREF_APRS_SYMBOL_TABLE);
if (aprsSymbolTable.isEmpty()){
preferences.putString(PREF_APRS_SYMBOL_TABLE, APRS_SYMBOL_TABLE);
aprsSymbolTable = preferences.getString(PREF_APRS_SYMBOL_TABLE);
}
aprsSymbol = preferences.getString(PREF_APRS_SYMBOL);
if (aprsSymbol.isEmpty()){
preferences.putString(PREF_APRS_SYMBOL, APRS_SYMBOL);
aprsSymbol = preferences.getString(PREF_APRS_SYMBOL, APRS_SYMBOL);
}
if (!preferences.getBool(PREF_APRS_COMMENT_INIT)){
preferences.putBool(PREF_APRS_COMMENT_INIT, true);
preferences.putString(PREF_APRS_COMMENT, MY_COMMENT);
}
aprsComment = preferences.getString(PREF_APRS_COMMENT);
if (!preferences.getBool(PREF_APRS_RELAY_PATH_INIT)){
preferences.putBool(PREF_APRS_RELAY_PATH_INIT, true);
preferences.putString(PREF_APRS_RELAY_PATH, DIGI_PATH);
}
relay_path = preferences.getString(PREF_APRS_RELAY_PATH);
if (!preferences.getBool(PREF_APRS_SHOW_ALTITUDE_INIT)){
preferences.putBool(PREF_APRS_SHOW_ALTITUDE_INIT, true);
preferences.putBool(PREF_APRS_SHOW_ALTITUDE, showAltitude);
}
showAltitude = preferences.getBool(PREF_APRS_SHOW_ALTITUDE);
if (!preferences.getBool(PREF_APRS_GPS_EN_INIT)){
preferences.putBool(PREF_APRS_GPS_EN_INIT, true);
preferences.putBool(PREF_APRS_GPS_EN, gps_state);
}
gps_state = preferences.getBool(PREF_APRS_GPS_EN);
if (!preferences.getBool(PREF_APRS_SHOW_BATTERY_INIT)){
preferences.putBool(PREF_APRS_SHOW_BATTERY_INIT, true);
preferences.putBool(PREF_APRS_SHOW_BATTERY, showBattery);
}
showBattery = preferences.getBool(PREF_APRS_SHOW_BATTERY);
if (!preferences.getBool(PREF_ENABLE_TNC_SELF_TELEMETRY_INIT)){
preferences.putBool(PREF_ENABLE_TNC_SELF_TELEMETRY_INIT, true);
preferences.putBool(PREF_ENABLE_TNC_SELF_TELEMETRY, enable_tel);
}
enable_tel = preferences.getBool(PREF_ENABLE_TNC_SELF_TELEMETRY);
if (!preferences.getBool(PREF_TNC_SELF_TELEMETRY_INTERVAL_INIT)){
preferences.putBool(PREF_TNC_SELF_TELEMETRY_INTERVAL_INIT, true);
preferences.putInt(PREF_TNC_SELF_TELEMETRY_INTERVAL, tel_interval);
}
tel_interval = preferences.getInt(PREF_TNC_SELF_TELEMETRY_INTERVAL);
if (!preferences.getBool(PREF_TNC_SELF_TELEMETRY_SEQ_INIT)){
preferences.putBool(PREF_TNC_SELF_TELEMETRY_SEQ_INIT, true);
preferences.putInt(PREF_TNC_SELF_TELEMETRY_SEQ, tel_sequence);
}
tel_sequence = preferences.getInt(PREF_TNC_SELF_TELEMETRY_SEQ);
if (!preferences.getBool(PREF_TNC_SELF_TELEMETRY_MIC_INIT)){
preferences.putBool(PREF_TNC_SELF_TELEMETRY_MIC_INIT, true);
preferences.putInt(PREF_TNC_SELF_TELEMETRY_MIC, tel_mic);
}
tel_mic = preferences.getInt(PREF_TNC_SELF_TELEMETRY_MIC);
if (!preferences.getBool(PREF_TNC_SELF_TELEMETRY_PATH_INIT)){
preferences.putBool(PREF_TNC_SELF_TELEMETRY_PATH_INIT, true);
preferences.putString(PREF_TNC_SELF_TELEMETRY_PATH, tel_path);
}
tel_path = preferences.getString(PREF_TNC_SELF_TELEMETRY_PATH);
if (!preferences.getBool(PREF_APRS_LATITUDE_PRESET_INIT)){
preferences.putBool(PREF_APRS_LATITUDE_PRESET_INIT, true);
preferences.putString(PREF_APRS_LATITUDE_PRESET, LATIDUDE_PRESET);
}
aprsLatPreset = preferences.getString(PREF_APRS_LATITUDE_PRESET);
if (!preferences.getBool(PREF_APRS_LONGITUDE_PRESET_INIT)){
preferences.putBool(PREF_APRS_LONGITUDE_PRESET_INIT, true);
preferences.putString(PREF_APRS_LONGITUDE_PRESET, LONGITUDE_PRESET);
}
aprsLonPreset = preferences.getString(PREF_APRS_LONGITUDE_PRESET);
if (!preferences.getBool(PREF_APRS_FIXED_BEACON_PRESET_INIT)){
preferences.putBool(PREF_APRS_FIXED_BEACON_PRESET_INIT, true);
preferences.putBool(PREF_APRS_FIXED_BEACON_PRESET, fixed_beacon_enabled);
}
fixed_beacon_enabled = preferences.getBool(PREF_APRS_FIXED_BEACON_PRESET);
if (!preferences.getBool(PREF_APRS_FIXED_BEACON_INTERVAL_PRESET_INIT)){
preferences.putBool(PREF_APRS_FIXED_BEACON_INTERVAL_PRESET_INIT, true);
preferences.putInt(PREF_APRS_FIXED_BEACON_INTERVAL_PRESET, fix_beacon_interval/1000);
}
fix_beacon_interval = preferences.getInt(PREF_APRS_FIXED_BEACON_INTERVAL_PRESET) * 1000;
// + SMART BEACONING
if (!preferences.getBool(PREF_APRS_SB_MIN_INTERVAL_PRESET_INIT)){
preferences.putBool(PREF_APRS_SB_MIN_INTERVAL_PRESET_INIT, true);
preferences.putInt(PREF_APRS_SB_MIN_INTERVAL_PRESET, sb_min_interval/1000);
}
sb_min_interval = preferences.getInt(PREF_APRS_SB_MIN_INTERVAL_PRESET) * 1000;
if (!preferences.getBool(PREF_APRS_SB_MAX_INTERVAL_PRESET_INIT)){
preferences.putBool(PREF_APRS_SB_MAX_INTERVAL_PRESET_INIT, true);
preferences.putInt(PREF_APRS_SB_MAX_INTERVAL_PRESET, sb_max_interval/1000);
}
sb_max_interval = preferences.getInt(PREF_APRS_SB_MAX_INTERVAL_PRESET) * 1000;
if (!preferences.getBool(PREF_APRS_SB_MIN_SPEED_PRESET_INIT)){
preferences.putBool(PREF_APRS_SB_MIN_SPEED_PRESET_INIT, true);
preferences.putInt(PREF_APRS_SB_MIN_SPEED_PRESET, sb_min_speed);
}
sb_min_speed = preferences.getInt(PREF_APRS_SB_MIN_SPEED_PRESET);
if (!preferences.getBool(PREF_APRS_SB_MAX_SPEED_PRESET_INIT)){
preferences.putBool(PREF_APRS_SB_MAX_SPEED_PRESET_INIT, true);
preferences.putInt(PREF_APRS_SB_MAX_SPEED_PRESET, sb_max_speed);
}
sb_max_speed = preferences.getInt(PREF_APRS_SB_MAX_SPEED_PRESET);
if (!preferences.getBool(PREF_APRS_SB_ANGLE_PRESET_INIT)){
preferences.putBool(PREF_APRS_SB_ANGLE_PRESET_INIT, true);
preferences.putDouble(PREF_APRS_SB_ANGLE_PRESET, sb_angle);
}
sb_angle = preferences.getDouble(PREF_APRS_SB_ANGLE_PRESET);
//
if (!preferences.getBool(PREF_DEV_SHOW_RX_TIME_INIT)){
preferences.putBool(PREF_DEV_SHOW_RX_TIME_INIT, true);
preferences.putInt(PREF_DEV_SHOW_RX_TIME, showRXTime/1000);
}
showRXTime = preferences.getInt(PREF_DEV_SHOW_RX_TIME) * 1000;
// Read OLED RX Timer
if (!preferences.getBool(PREF_DEV_SHOW_OLED_TIME_INIT)){
preferences.putBool(PREF_DEV_SHOW_OLED_TIME_INIT, true);
preferences.putInt(PREF_DEV_SHOW_OLED_TIME, oled_timeout/1000);
}
oled_timeout = preferences.getInt(PREF_DEV_SHOW_OLED_TIME) * 1000;
if (!preferences.getBool(PREF_DEV_AUTO_SHUT_PRESET_INIT)){
preferences.putBool(PREF_DEV_AUTO_SHUT_PRESET_INIT, true);
preferences.putInt(PREF_DEV_AUTO_SHUT_PRESET, shutdown_delay_time/1000);
}
shutdown_delay_time = preferences.getInt(PREF_DEV_AUTO_SHUT_PRESET) * 1000;
if (!preferences.getBool(PREF_DEV_AUTO_SHUT_INIT)){
preferences.putBool(PREF_DEV_AUTO_SHUT_INIT, true);
preferences.putBool(PREF_DEV_AUTO_SHUT, shutdown_active);
}
shutdown_active = preferences.getBool(PREF_DEV_AUTO_SHUT);
if (clear_preferences){
delay(1000);
if(digitalRead(BUTTON)==LOW){
clear_preferences = 2;
}
}
if (!preferences.getBool(PREF_APRS_SHOW_CMT_INIT)){
preferences.putBool(PREF_APRS_SHOW_CMT_INIT, true);
preferences.putBool(PREF_APRS_SHOW_CMT, show_cmt);
}
show_cmt = preferences.getBool(PREF_APRS_SHOW_CMT);
if (!preferences.getBool(PREF_DEV_BT_EN_INIT)){
preferences.putBool(PREF_DEV_BT_EN_INIT, true);
preferences.putBool(PREF_DEV_BT_EN, enable_bluetooth);
}
enable_bluetooth = preferences.getBool(PREF_DEV_BT_EN);
if (!preferences.getBool(PREF_DEV_OL_EN_INIT)){
preferences.putBool(PREF_DEV_OL_EN_INIT, true);
preferences.putBool(PREF_DEV_OL_EN,enabled_oled);
}
enabled_oled = preferences.getBool(PREF_DEV_OL_EN);
#endif
for (int i=0;i<ANGLE_AVGS;i++) { // set average_course to "0"
average_course[i]=0;
}
pinMode(TXLED, OUTPUT);
#ifdef T_BEAM_V1_2
pinMode(BUTTON, INPUT);
#elif T_BEAM_V1_0
pinMode(BUTTON, INPUT);
#elif T_BEAM_V0_7
pinMode(BUTTON, INPUT);
#else
pinMode(BUTTON, INPUT_PULLUP);
#endif
digitalWrite(TXLED, LOW); // turn blue LED off
Wire.begin(I2C_SDA, I2C_SCL);
#ifdef T_BEAM_V1_2
if (! PMU.begin(Wire, AXP2101_SLAVE_ADDRESS, I2C_SDA, I2C_SCL)) {
}
//axp.setLowTemp(0xFF); //SP6VWX Set low charging temperature need to convert
PMU.setALDO2Voltage(3300);
PMU.enableALDO2(); // LoRa
if (gps_state){
PMU.enableALDO3(); // switch on GPS
} else {
PMU.disableALDO3(); // switch off GPS
}
PMU.enableDC2();
//axp.setPowerOutPut(AXP192_EXTEN, AXP202_ON); NC
PMU.setDC1Voltage(3300);
// Enable ADC to measure battery current, USB voltage etc.
//axp.adc1Enable(0xfe, true);
//axp.adc2Enable(0x80, true);
PMU.setChargingLedMode(XPOWERS_CHG_LED_OFF);
PMU.enableDC1(); // oled do not turn off
#elif T_BEAM_V1_0
if (!PMU.begin(Wire, AXP192_SLAVE_ADDRESS, I2C_SDA, I2C_SCL)) {
}
//axp.setLowTemp(0xFF); //SP6VWX Set low charging temperature need to convert
PMU.setLDO2Voltage(3300);
PMU.enableLDO2(); // LoRa
if (gps_state){
PMU.enableLDO3(); // switch on GPS
} else {
PMU.disableLDO3(); // switch off GPS
}
PMU.enableDC2();
//axp.setPowerOutPut(AXP192_EXTEN, AXP202_ON); NC
PMU.setDC1Voltage(3300);
// Enable ADC to measure battery current, USB voltage etc.
//axp.adc1Enable(0xfe, true);
//axp.adc2Enable(0x80, true);
PMU.setChargingLedMode(XPOWERS_CHG_LED_OFF);
PMU.enableDC1(); // oled do not turn off
#endif
if(!display.begin(SSD1306_SWITCHCAPVCC, SSD1306_ADDRESS)) {
for(;;); // Don't proceed, loop forever
}
#ifdef ENABLE_PREFERENCES
if (clear_preferences == 2){
writedisplaytext("LoRa-APRS","","","Factory reset","","");
delay(1000);
//#ifdef T_BEAM_V1_0
if(digitalRead(BUTTON)==LOW){
clear_preferences = 3;
preferences.clear();
preferences.end();
writedisplaytext("LoRa-APRS","","Factory reset","Done!","","");
delay(2000);
ESP.restart();
} else {
writedisplaytext("LoRa-APRS","","Factory reset","Cancel","","");
delay(2000);
}
//#endif
}
#endif
writedisplaytext("LoRa-APRS","","Init:","Display OK!","","");
Tcall = prepareCallsign(String(CALLSIGN));
#ifdef ENABLE_PREFERENCES
Tcall = preferences.getString(PREF_APRS_CALLSIGN);
if (Tcall.isEmpty()){
preferences.putString(PREF_APRS_CALLSIGN, String(CALLSIGN));
Tcall = preferences.getString(PREF_APRS_CALLSIGN);
}
#endif
if (!rf95.init()) {
writedisplaytext("LoRa-APRS","","Init:","RF95 FAILED!",":-(","");
for(;;); // Don't proceed, loop forever
}
if (sb_max_interval < nextTX){
sb_max_interval=nextTX;
}
writedisplaytext("LoRa-APRS","","Init:","RF95 OK!","","");
writedisplaytext(" "+Tcall,"","Init:","Waiting for GPS","","");
xTaskCreate(taskGPS, "taskGPS", 5000, nullptr, 1, nullptr);
writedisplaytext(" "+Tcall,"","Init:","GPS Task Created!","","");
#ifndef T_BEAM_V1_0
adc1_config_width(ADC_WIDTH_BIT_12);
adc1_config_channel_atten(ADC1_CHANNEL_7,ADC_ATTEN_DB_6);
#endif
batt_read();
writedisplaytext("LoRa-APRS","","Init:","ADC OK!","BAT: "+String(BattVolts,2),"");
if(lora_speed==1200){
rf95.setModemConfig(BG_RF95::Bw125Cr47Sf512);
}
else if(lora_speed==610){
rf95.setModemConfig(BG_RF95::Bw125Cr48Sf1024);
}
else if(lora_speed==180){
rf95.setModemConfig(BG_RF95::Bw125Cr48Sf4096);
}
else if(lora_speed==210){
rf95.setModemConfig(BG_RF95::Bw125Cr47Sf4096);
}
else if(lora_speed==240){
rf95.setModemConfig(BG_RF95::Bw125Cr46Sf4096);
}
else {
rf95.setModemConfig(BG_RF95::Bw125Cr45Sf4096);
}
Serial.printf("LoRa Speed:\t%d\n", lora_speed);
rf95.setFrequency(lora_freq);
Serial.printf("LoRa FREQ:\t%f\n", lora_freq);
rf95.setTxPower(txPower);
delay(250);
#ifdef KISS_PROTOCOL
xTaskCreatePinnedToCore(taskTNC, "taskTNC", 10000, nullptr, 1, nullptr, xPortGetCoreID());
#endif
#if defined(KISS_PROTOCOL)
if (enable_bluetooth){
#ifdef BLUETOOTH_PIN
SerialBT.setPin(BLUETOOTH_PIN);
#endif
#ifdef ENABLE_BLUETOOTH
SerialBT.begin(String("TTGO LORA APRS ") + Tcall);
writedisplaytext("LoRa-APRS","","Init:","BT OK!","","");
#endif
}
#endif
#ifdef ENABLE_WIFI
webServerCfg = {.callsign = Tcall};
xTaskCreate(taskWebServer, "taskWebServer", 12000, (void*)(&webServerCfg), 1, nullptr);
writedisplaytext("LoRa-APRS","","Init:","WiFi task started"," =:-) ","");
#endif
writedisplaytext("LoRa-APRS","","Init:","FINISHED OK!"," =:-) ","");
writedisplaytext("","","","","","");
time_to_refresh = millis() + showRXTime;
displayInvalidGPS();
digitalWrite(TXLED, HIGH);
// Hold the OLED ON at first boot
oled_timer=millis()+oled_timeout;
}
void enableOled() {
// This function enables OLED display after pressing a button
tempOled = true;
oled_timer = millis() + oled_timeout;
}
// +---------------------------------------------------------------------+//
// + MAINLOOP -----------------------------------------------------------+//
// +---------------------------------------------------------------------+//
void loop() {
if(digitalRead(BUTTON)==LOW && key_up == true){
key_up = false;
delay(50);
if(digitalRead(BUTTON)==LOW){
delay(300);
time_delay = millis() + 1500;
if(digitalRead(BUTTON)==HIGH){
if (!tempOled && enabled_oled) {
enableOled(); // turn ON OLED temporary
} else {
if(gps_state == true && gps.location.isValid()){
writedisplaytext("((MAN TX))","","","","","");
sendpacket();
}else{
writedisplaytext("((FIX TX))","","","","","");
sendpacket();
}
}
key_up = true;
}
}
}
// Show informations on WiFi Status
if (apConnected) {
enableOled(); // turn ON OLED temporary
writedisplaytext(" ((WiFi))","WiFi Client Mode","SSID: " + infoApName, "Pass: ********", "IP: " + infoApAddr, getSatAndBatInfo());
apConnected=false;
} else if (apEnabled) {
enableOled(); // turn ON OLED temporary
writedisplaytext(" ((WiFi))","WiFi AP Mode","SSID: " + infoApName, "Pass: " + infoApPass, "IP: " + infoApAddr, getSatAndBatInfo());
apEnabled=false;
}
if (manBeacon) {
// Manually sending beacon from html page
enableOled();
writedisplaytext("((WEB TX))","","","","","");
sendpacket();
manBeacon=false;
}
// Only wake up OLED when necessary, note that DIM is to turn OFF the backlight
if (enabled_oled) {
if (oled_timeout>0) {
display.dim(!tempOled);
} else {
// If timeout is 0 keep OLED awake
display.dim(false);
}
}
if (tempOled && millis()>= oled_timer) {
tempOled = false; // After some time reset backlight
}
if(digitalRead(BUTTON)==LOW && key_up == false && millis() >= time_delay && t_lock == false){
// enable OLED
enableOled();
//---------------
t_lock = true;
if(gps_state){
gps_state = false;
#ifdef T_BEAM_V1_2
PMU.disableALDO3(); //GPS OFF
#elif T_BEAM_V1_0
PMU.disableLDO3(); // GPS OFF
#endif
writedisplaytext("((GPSOFF))","","","","","");
next_fixed_beacon = millis() + fix_beacon_interval;
#ifdef ENABLE_PREFERENCES
preferences.putBool(PREF_APRS_GPS_EN, false);
#endif
}else{
gps_state = true;
#ifdef T_BEAM_v1_2
PMU.enableALDO3(); // GPS ON
#elif T_BEAM_V1_0
PMU.enableLDO3();
#endif
writedisplaytext("((GPS ON))","","","","",""); // GPS ON
#ifdef ENABLE_PREFERENCES
preferences.putBool(PREF_APRS_GPS_EN, true);
#endif
}
}
if(digitalRead(BUTTON)==HIGH && !key_up){
key_up = true;
t_lock = false;
}
if (fixed_beacon_enabled) {
if (millis() >= next_fixed_beacon && !gps_state) {
enableOled(); // enable OLED
next_fixed_beacon = millis() + fix_beacon_interval;
writedisplaytext("((AUT TX))", "", "", "", "", "");
sendpacket();
}
}
#ifdef T_BEAM_V1_2
if(shutdown_active){
if(InpVolts> 4){
shutdown_usb_status_bef = true;
shutdown_countdown_timer_enable = false;
}
if(InpVolts < 4 && shutdown_usb_status_bef == true){
shutdown_usb_status_bef = false;
shutdown_countdown_timer_enable = true;
shutdown_countdown_timer = millis() + shutdown_delay_time;
}
if(shutdown_countdown_timer_enable){
if(millis() >= shutdown_countdown_timer){
PMU.setChargingLedMode(XPOWERS_CHG_LED_OFF);
PMU.shutdown();
}
}
}
#elif T_BEAM_V1_0
if(shutdown_active){
if(InpVolts> 4){
shutdown_usb_status_bef = true;
shutdown_countdown_timer_enable = false;
}
if(InpVolts < 4 && shutdown_usb_status_bef == true){
shutdown_usb_status_bef = false;
shutdown_countdown_timer_enable = true;
shutdown_countdown_timer = millis() + shutdown_delay_time;
}
if(shutdown_countdown_timer_enable){
if(millis() >= shutdown_countdown_timer){
PMU.setChargingLedMode(XPOWERS_CHG_LED_OFF);
PMU.shutdown();
}
}
}
#endif
#ifdef KISS_PROTOCOL
String *TNC2DataFrame = nullptr;
if (tncToSendQueue) {
if (xQueueReceive(tncToSendQueue, &TNC2DataFrame, (1 / portTICK_PERIOD_MS)) == pdPASS) {
enableOled(); // enable OLED
writedisplaytext("((KISSTX))","","","","","");
time_to_refresh = millis() + showRXTime;
loraSend(txPower, lora_freq, *TNC2DataFrame);
delete TNC2DataFrame;
}
}
#endif
if (rf95.waitAvailableTimeout(100)) {
#ifdef T_BEAM_V1_2
#ifdef ENABLE_LED_SIGNALING
PMU.setChargingLedMode(XPOWERS_CHG_LED_ON);
#endif
#elif T_BEAM_V1_0
#ifdef ENABLE_LED_SIGNALING
PMU.setChargingLedMode(XPOWERS_CHG_LED_ON);
#endif
#endif
#ifdef BUZZER
int melody[] = {300, 50, 500, 100};
buzzer(melody, sizeof(melody)/sizeof(int));
#endif
#ifdef SHOW_RX_PACKET // only show RX packets when activitated in config
loraReceivedLength = sizeof(lora_RXBUFF); // reset max length before receiving!
if (rf95.recvAPRS(lora_RXBUFF, &loraReceivedLength)) {
loraReceivedFrameString = "";
//int rssi = rf95.lastSNR();
//Serial.println(rssi);
enableOled(); // enable OLED
for (int i=0 ; i < loraReceivedLength ; i++) {
loraReceivedFrameString += (char) lora_RXBUFF[i];
}
writedisplaytext(" ((RX))", "", loraReceivedFrameString, "", "", "");
#ifdef KISS_PROTOCOL
sendToTNC(loraReceivedFrameString);
#endif
#ifdef ENABLE_WIFI
sendToWebList(loraReceivedFrameString, rf95.lastRssi(), rf95.lastSNR());
#endif
syslog_log(LOG_INFO, String("Received LoRa: '") + loraReceivedFrameString + "', RSSI:" + rf95.lastRssi() + ", SNR: " + rf95.lastSNR());
}
#endif
#ifdef T_BEAM_V1_2
#ifdef ENABLE_LED_SIGNALING
PMU.setChargingLedMode(XPOWERS_CHG_LED_OFF);
#endif
#elif T_BEAM_V1_0
#ifdef ENABLE_LED_SIGNALING
PMU.setChargingLedMode(XPOWERS_CHG_LED_OFF);
#endif
#endif
}
LatShown = String(gps.location.lat(),5);
LongShown = String(gps.location.lng(),5);
average_speed[point_avg_speed] = gps.speed.kmph(); // calculate smart beaconing
++point_avg_speed;
if (point_avg_speed>4) {
point_avg_speed=0;
}
average_speed_final = (average_speed[0]+average_speed[1]+average_speed[2]+average_speed[3]+average_speed[4])/5;
nextTX = (sb_max_interval-sb_min_interval)/(sb_max_speed-sb_min_speed)*(sb_max_speed-average_speed_final)+sb_min_interval;
if (nextTX < sb_min_interval) {nextTX=sb_min_interval;}
if (nextTX > sb_max_interval) {nextTX=sb_max_interval;}
average_course[point_avg_course] = gps.course.deg(); // calculate smart beaconing course
++point_avg_course;
if (point_avg_course>(ANGLE_AVGS-1)) {
point_avg_course=0;
avg_c_y = 0;
avg_c_x = 0;
for (int i=0;i<ANGLE_AVGS;i++) {
avg_c_y += sin(average_course[i]/180*3.1415);
avg_c_x += cos(average_course[i]/180*3.1415);
}
new_course = atan2f(avg_c_y,avg_c_x)*180/3.1415;
if (new_course < 0) {
new_course=360+new_course;
}
if ((old_course < sb_angle) && (new_course > (360-sb_angle))) {
if (abs(new_course-old_course-360)>=sb_angle) {
nextTX = 1; // give one second for turn to finish and then TX
}
} else {
if ((old_course > (360-sb_angle)) && (new_course < sb_angle)) {
if (abs(new_course-old_course+360)>=sb_angle) {
nextTX = 1;
}
} else {
if (abs(new_course-old_course)>=sb_angle) {
nextTX = 1;
}
}
}
old_course = new_course;
}
if ((millis()<sb_max_interval)&&(lastTX == 0)) {
nextTX = 0;
}
if ( (lastTX+nextTX) <= millis() ) {
if (gps.location.age() < 2000) {
enableOled(); // enable OLED
writedisplaytext(" ((TX))","","LAT: "+LatShown,"LON: "+LongShown,"SPD: "+String(gps.speed.kmph(),1)+" CRS: "+String(gps.course.deg(),1),getSatAndBatInfo());
sendpacket();
} else {
if (millis() > time_to_refresh){
displayInvalidGPS();
}
}
}else{
if (millis() > time_to_refresh){
if (gps.location.age() < 2000) {
writedisplaytext(" "+Tcall,"Time to TX: "+String(((lastTX+nextTX)-millis())/1000)+"sec","LAT: "+LatShown,"LON: "+LongShown,"SPD: "+String(gps.speed.kmph())+" CRS: "+String(gps.course.deg(),1),getSatAndBatInfo());
} else {
displayInvalidGPS();
}
}
}
#if defined(ENABLE_TNC_SELF_TELEMETRY) && defined(KISS_PROTOCOL)
if (nextTelemetryFrame < millis()){
// Schedule the next telemetry frame
nextTelemetryFrame = millis() + (tel_interval * 1000);
sendTelemetryFrame();
}
#endif
#ifdef KISS_PROTOCOL
#ifdef KISS_DEBUG
static auto last_debug_send_time = millis();
if (millis() - last_debug_send_time > 1000*5) {
last_debug_send_time = millis();
String debug_message = "";
#ifdef T_BEAM_V1_2
debug_message += "Bat V: " + String(PMU.getBattVoltage());
debug_message += ", ";
debug_message += "USB Plugged: " + String(PMU.isVbusInsertOnSource());
debug_message += ", ";
debug_message += "USB V: " + String(PMU.getVbusVoltage());
debug_message += ", ";
debug_message += "Temp C: " + String(PMU.getTemperature());
#elif T_BEAM_V1_0
debug_message += "Bat V: " + String(PMU.getBattVoltage());
debug_message += ", ";
debug_message += "Bat IN A: " + String(PMU.getBatteryChargeCurrent());
debug_message += ", ";
debug_message += "Bat OUT A: " + String(PMU.getBattDischargeCurrent());
debug_message += ", ";
debug_message += "USB Plugged: " + String(PMU.isVBUSin());
debug_message += ", ";
debug_message += "USB V: " + String(PMU.getVbusVoltage());
debug_message += ", ";
debug_message += "USB A: " + String(PMU.getVbusCurrent());
debug_message += ", ";
debug_message += "Temp C: " + String(PMU.getTemperature());
#else
debug_message += "Bat V: " + String(BattVolts);
#endif
Serial.print(encapsulateKISS(debug_message, CMD_HARDWARE));
#ifdef ENABLE_BLUETOOTH
SerialBT.print(encapsulateKISS(debug_message, CMD_HARDWARE));
#endif
}
#endif
#endif
vTaskDelay(1);
}
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