2021-10-14 21:31:56 +00:00
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#include <APRS-Decoder.h>
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2020-04-03 21:21:35 +00:00
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#include <Arduino.h>
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#include <LoRa.h>
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2021-10-14 21:31:56 +00:00
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#include <OneButton.h>
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2020-11-08 13:14:56 +00:00
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#include <TimeLib.h>
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2021-10-14 21:31:56 +00:00
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#include <TinyGPS++.h>
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2020-11-08 13:14:56 +00:00
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#include <WiFi.h>
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2021-10-14 21:31:56 +00:00
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#include <logger.h>
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2021-12-19 22:41:10 +00:00
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#include "BeaconManager.h"
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2021-10-14 21:31:56 +00:00
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#include "configuration.h"
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2020-04-03 21:21:35 +00:00
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#include "display.h"
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2020-11-03 19:11:10 +00:00
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#include "pins.h"
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2020-11-08 13:14:56 +00:00
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#include "power_management.h"
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2021-10-14 21:31:56 +00:00
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2022-05-13 08:35:53 +00:00
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#define VERSION "22.19.0"
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2022-05-13 08:21:16 +00:00
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2021-03-03 20:58:31 +00:00
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Configuration Config;
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2021-12-19 22:41:10 +00:00
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BeaconManager BeaconMan;
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2020-04-03 21:21:35 +00:00
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2020-11-08 13:14:56 +00:00
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PowerManagement powerManagement;
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2021-10-14 21:31:56 +00:00
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OneButton userButton = OneButton(BUTTON_PIN, true, true);
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2021-03-03 20:58:31 +00:00
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2020-05-17 14:16:53 +00:00
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HardwareSerial ss(1);
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2021-10-14 21:31:56 +00:00
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TinyGPSPlus gps;
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2020-11-08 13:14:56 +00:00
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2022-05-09 20:04:32 +00:00
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void setup_gps();
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2021-03-06 22:47:25 +00:00
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void load_config();
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2020-11-08 13:14:56 +00:00
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void setup_lora();
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2021-03-03 20:58:31 +00:00
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2020-04-03 21:21:35 +00:00
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String create_lat_aprs(RawDegrees lat);
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String create_long_aprs(RawDegrees lng);
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2021-06-24 12:33:52 +00:00
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String create_lat_aprs_dao(RawDegrees lat);
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String create_long_aprs_dao(RawDegrees lng);
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String create_dao_aprs(RawDegrees lat, RawDegrees lng);
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2020-11-09 22:09:58 +00:00
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String createDateString(time_t t);
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String createTimeString(time_t t);
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2021-03-05 14:01:07 +00:00
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String getSmartBeaconState();
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2021-03-19 21:13:01 +00:00
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String padding(unsigned int number, unsigned int width);
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2020-05-17 14:16:53 +00:00
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2022-05-10 20:55:09 +00:00
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static bool send_update = true;
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2022-05-09 20:04:32 +00:00
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static bool display_toggle_value = true;
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2021-10-14 21:31:56 +00:00
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static void handle_tx_click() {
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send_update = true;
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}
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2021-10-11 11:25:33 +00:00
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2021-12-04 03:06:38 +00:00
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static void handle_next_beacon() {
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2021-12-19 22:41:10 +00:00
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BeaconMan.loadNextBeacon();
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show_display(BeaconMan.getCurrentBeaconConfig()->callsign, BeaconMan.getCurrentBeaconConfig()->message, 2000);
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2021-12-04 03:06:38 +00:00
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}
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2022-05-09 20:04:32 +00:00
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static void toggle_display() {
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display_toggle_value = !display_toggle_value;
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display_toggle(display_toggle_value);
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2022-05-10 20:44:13 +00:00
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if (display_toggle_value) {
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2022-05-09 20:04:32 +00:00
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setup_display();
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}
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}
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2020-05-29 19:13:33 +00:00
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// cppcheck-suppress unusedFunction
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2021-10-14 21:31:56 +00:00
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void setup() {
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Serial.begin(115200);
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2021-03-19 21:13:01 +00:00
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2020-11-08 13:14:56 +00:00
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#ifdef TTGO_T_Beam_V1_0
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2021-10-14 21:31:56 +00:00
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Wire.begin(SDA, SCL);
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if (!powerManagement.begin(Wire)) {
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logPrintlnI("AXP192 init done!");
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} else {
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logPrintlnE("AXP192 init failed!");
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}
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powerManagement.activateLoRa();
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powerManagement.activateOLED();
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powerManagement.activateGPS();
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powerManagement.activateMeasurement();
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2020-11-08 13:14:56 +00:00
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#endif
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2021-10-14 21:31:56 +00:00
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delay(500);
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logPrintlnI("LoRa APRS Tracker by OE5BPA (Peter Buchegger)");
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2022-05-13 08:21:16 +00:00
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logPrintlnI("Version: " VERSION);
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2021-10-14 21:31:56 +00:00
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setup_display();
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2022-05-13 08:21:16 +00:00
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show_display("OE5BPA", "LoRa APRS Tracker", "by Peter Buchegger", "Version: " VERSION, 2000);
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2021-10-14 21:31:56 +00:00
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load_config();
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setup_gps();
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setup_lora();
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if (Config.ptt.active) {
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pinMode(Config.ptt.io_pin, OUTPUT);
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digitalWrite(Config.ptt.io_pin, Config.ptt.reverse ? HIGH : LOW);
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}
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// make sure wifi and bt is off as we don't need it:
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WiFi.mode(WIFI_OFF);
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btStop();
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2021-12-04 03:06:38 +00:00
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if (Config.button.tx) {
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2021-10-14 21:31:56 +00:00
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// attach TX action to user button (defined by BUTTON_PIN)
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userButton.attachClick(handle_tx_click);
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}
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2021-12-04 03:06:38 +00:00
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if (Config.button.alt_message) {
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userButton.attachLongPressStart(handle_next_beacon);
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}
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2022-05-09 20:04:32 +00:00
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userButton.attachDoubleClick(toggle_display);
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2021-12-04 03:06:38 +00:00
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2021-10-14 21:31:56 +00:00
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logPrintlnI("Smart Beacon is " + getSmartBeaconState());
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show_display("INFO", "Smart Beacon is " + getSmartBeaconState(), 1000);
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logPrintlnI("setup done...");
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delay(500);
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2020-04-03 21:21:35 +00:00
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}
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2020-05-29 19:13:33 +00:00
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// cppcheck-suppress unusedFunction
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2021-10-14 21:31:56 +00:00
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void loop() {
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userButton.tick();
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if (Config.debug) {
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while (Serial.available() > 0) {
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char c = Serial.read();
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2022-05-10 20:55:09 +00:00
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// Serial.print(c);
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2021-10-14 21:31:56 +00:00
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gps.encode(c);
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}
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} else {
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while (ss.available() > 0) {
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char c = ss.read();
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// Serial.print(c);
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gps.encode(c);
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}
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}
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bool gps_time_update = gps.time.isUpdated();
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bool gps_loc_update = gps.location.isUpdated();
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static time_t nextBeaconTimeStamp = -1;
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static double currentHeading = 0;
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static double previousHeading = 0;
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static unsigned int rate_limit_message_text = 0;
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if (gps.time.isValid()) {
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setTime(gps.time.hour(), gps.time.minute(), gps.time.second(), gps.date.day(), gps.date.month(), gps.date.year());
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if (gps_loc_update && nextBeaconTimeStamp <= now()) {
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send_update = true;
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2021-12-19 22:41:10 +00:00
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if (BeaconMan.getCurrentBeaconConfig()->smart_beacon.active) {
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2021-10-14 21:31:56 +00:00
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currentHeading = gps.course.deg();
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// enforce message text on slowest Config.smart_beacon.slow_rate
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rate_limit_message_text = 0;
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} else {
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// enforce message text every n's Config.beacon.timeout frame
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2021-12-19 22:41:10 +00:00
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if (BeaconMan.getCurrentBeaconConfig()->timeout * rate_limit_message_text > 30) {
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2021-10-14 21:31:56 +00:00
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rate_limit_message_text = 0;
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}
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}
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}
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}
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static double lastTxLat = 0.0;
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static double lastTxLng = 0.0;
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static double lastTxdistance = 0.0;
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static uint32_t txInterval = 60000L; // Initial 60 secs internal
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static uint32_t lastTxTime = millis();
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static int speed_zero_sent = 0;
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static bool BatteryIsConnected = false;
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static String batteryVoltage = "";
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static String batteryChargeCurrent = "";
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2021-04-19 20:34:04 +00:00
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#ifdef TTGO_T_Beam_V1_0
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2021-10-14 21:31:56 +00:00
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static unsigned int rate_limit_check_battery = 0;
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if (!(rate_limit_check_battery++ % 60))
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BatteryIsConnected = powerManagement.isBatteryConnect();
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if (BatteryIsConnected) {
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batteryVoltage = String(powerManagement.getBatteryVoltage(), 2);
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batteryChargeCurrent = String(powerManagement.getBatteryChargeDischargeCurrent(), 0);
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}
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2021-04-19 20:34:04 +00:00
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#endif
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2021-03-06 22:47:25 +00:00
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2022-05-13 18:32:38 +00:00
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if (powerManagement.isChargeing()) {
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powerManagement.enableChgLed();
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} else {
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powerManagement.disableChgLed();
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}
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2021-12-19 22:41:10 +00:00
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if (!send_update && gps_loc_update && BeaconMan.getCurrentBeaconConfig()->smart_beacon.active) {
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2021-10-14 21:31:56 +00:00
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uint32_t lastTx = millis() - lastTxTime;
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currentHeading = gps.course.deg();
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lastTxdistance = TinyGPSPlus::distanceBetween(gps.location.lat(), gps.location.lng(), lastTxLat, lastTxLng);
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if (lastTx >= txInterval) {
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// Trigger Tx Tracker when Tx interval is reach
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// Will not Tx if stationary bcos speed < 5 and lastTxDistance < 20
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if (lastTxdistance > 20) {
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send_update = true;
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}
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}
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if (!send_update) {
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// Get headings and heading delta
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double headingDelta = abs(previousHeading - currentHeading);
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2021-12-19 22:41:10 +00:00
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if (lastTx > BeaconMan.getCurrentBeaconConfig()->smart_beacon.min_bcn * 1000) {
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2021-10-14 21:31:56 +00:00
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// Check for heading more than 25 degrees
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2021-12-19 22:41:10 +00:00
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if (headingDelta > BeaconMan.getCurrentBeaconConfig()->smart_beacon.turn_min && lastTxdistance > BeaconMan.getCurrentBeaconConfig()->smart_beacon.min_tx_dist) {
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2021-10-14 21:31:56 +00:00
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send_update = true;
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}
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}
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}
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}
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if (send_update && gps_loc_update) {
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2021-12-19 22:41:10 +00:00
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send_update = false;
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2021-12-04 03:27:24 +00:00
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2021-12-19 22:41:10 +00:00
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nextBeaconTimeStamp = now() + (BeaconMan.getCurrentBeaconConfig()->smart_beacon.active ? BeaconMan.getCurrentBeaconConfig()->smart_beacon.slow_rate : (BeaconMan.getCurrentBeaconConfig()->timeout * SECS_PER_MIN));
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2021-10-14 21:31:56 +00:00
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APRSMessage msg;
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String lat;
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String lng;
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String dao;
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2021-12-19 22:41:10 +00:00
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msg.setSource(BeaconMan.getCurrentBeaconConfig()->callsign);
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msg.setPath(BeaconMan.getCurrentBeaconConfig()->path);
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2022-01-15 22:47:29 +00:00
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msg.setDestination("APLT00");
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2021-10-14 21:31:56 +00:00
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2021-12-19 22:41:10 +00:00
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if (!BeaconMan.getCurrentBeaconConfig()->enhance_precision) {
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2021-10-14 21:31:56 +00:00
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lat = create_lat_aprs(gps.location.rawLat());
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lng = create_long_aprs(gps.location.rawLng());
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} else {
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lat = create_lat_aprs_dao(gps.location.rawLat());
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lng = create_long_aprs_dao(gps.location.rawLng());
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dao = create_dao_aprs(gps.location.rawLat(), gps.location.rawLng());
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}
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String alt = "";
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int alt_int = max(-99999, min(999999, (int)gps.altitude.feet()));
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if (alt_int < 0) {
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alt = "/A=-" + padding(alt_int * -1, 5);
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} else {
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alt = "/A=" + padding(alt_int, 6);
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}
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String course_and_speed = "";
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int speed_int = max(0, min(999, (int)gps.speed.knots()));
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if (speed_zero_sent < 3) {
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String speed = padding(speed_int, 3);
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int course_int = max(0, min(360, (int)gps.course.deg()));
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/* course in between 1..360 due to aprs spec */
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if (course_int == 0) {
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course_int = 360;
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}
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String course = padding(course_int, 3);
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course_and_speed = course + "/" + speed;
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}
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if (speed_int == 0) {
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/* speed is 0.
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we send 3 packets with speed zero (so our friends know we stand still).
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After that, we save airtime by not sending speed/course 000/000.
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Btw, even if speed we really do not move, measured course is changeing
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(-> no useful / even wrong info)
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*/
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if (speed_zero_sent < 3) {
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speed_zero_sent += 1;
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}
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} else {
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speed_zero_sent = 0;
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}
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String aprsmsg;
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2021-12-19 22:41:10 +00:00
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aprsmsg = "!" + lat + BeaconMan.getCurrentBeaconConfig()->overlay + lng + BeaconMan.getCurrentBeaconConfig()->symbol + course_and_speed + alt;
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2021-10-14 21:31:56 +00:00
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// message_text every 10's packet (i.e. if we have beacon rate 1min at high
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// speed -> every 10min). May be enforced above (at expirey of smart beacon
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// rate (i.e. every 30min), or every third packet on static rate (i.e.
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// static rate 10 -> every third packet)
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if (!(rate_limit_message_text++ % 10)) {
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2021-12-19 22:41:10 +00:00
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aprsmsg += BeaconMan.getCurrentBeaconConfig()->message;
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2021-10-14 21:31:56 +00:00
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}
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if (BatteryIsConnected) {
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aprsmsg += " - _Bat.: " + batteryVoltage + "V - Cur.: " + batteryChargeCurrent + "mA";
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}
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2021-12-19 22:41:10 +00:00
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if (BeaconMan.getCurrentBeaconConfig()->enhance_precision) {
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2021-10-14 21:31:56 +00:00
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aprsmsg += " " + dao;
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}
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2022-05-13 19:46:38 +00:00
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msg.getBody()->setData(aprsmsg);
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2021-10-14 21:31:56 +00:00
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String data = msg.encode();
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logPrintlnD(data);
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show_display("<< TX >>", data);
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if (Config.ptt.active) {
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digitalWrite(Config.ptt.io_pin, Config.ptt.reverse ? LOW : HIGH);
|
|
|
|
delay(Config.ptt.start_delay);
|
|
|
|
}
|
|
|
|
|
|
|
|
LoRa.beginPacket();
|
|
|
|
// Header:
|
|
|
|
LoRa.write('<');
|
|
|
|
LoRa.write(0xFF);
|
|
|
|
LoRa.write(0x01);
|
|
|
|
// APRS Data:
|
|
|
|
LoRa.write((const uint8_t *)data.c_str(), data.length());
|
|
|
|
LoRa.endPacket();
|
|
|
|
|
2021-12-19 22:41:10 +00:00
|
|
|
if (BeaconMan.getCurrentBeaconConfig()->smart_beacon.active) {
|
2021-10-14 21:31:56 +00:00
|
|
|
lastTxLat = gps.location.lat();
|
|
|
|
lastTxLng = gps.location.lng();
|
|
|
|
previousHeading = currentHeading;
|
|
|
|
lastTxdistance = 0.0;
|
|
|
|
lastTxTime = millis();
|
|
|
|
}
|
|
|
|
|
|
|
|
if (Config.ptt.active) {
|
|
|
|
delay(Config.ptt.end_delay);
|
|
|
|
digitalWrite(Config.ptt.io_pin, Config.ptt.reverse ? HIGH : LOW);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (gps_time_update) {
|
2022-06-30 21:34:22 +00:00
|
|
|
|
|
|
|
show_display(BeaconMan.getCurrentBeaconConfig()->callsign, createDateString(now()) + " " + createTimeString(now()), String("Sats: ") + gps.satellites.value() + " HDOP: " + gps.hdop.hdop(), String("Next Bcn: ") + (BeaconMan.getCurrentBeaconConfig()->smart_beacon.active ? "~" : "") + createTimeString(nextBeaconTimeStamp), BatteryIsConnected ? (String("Bat: ") + batteryVoltage + "V, " + batteryChargeCurrent + "mA") : "Powered via USB", String("Smart Beacon: " + getSmartBeaconState()));
|
2021-10-14 21:31:56 +00:00
|
|
|
|
2021-12-19 22:41:10 +00:00
|
|
|
if (BeaconMan.getCurrentBeaconConfig()->smart_beacon.active) {
|
2021-10-14 21:31:56 +00:00
|
|
|
// Change the Tx internal based on the current speed
|
|
|
|
int curr_speed = (int)gps.speed.kmph();
|
2021-12-19 22:41:10 +00:00
|
|
|
if (curr_speed < BeaconMan.getCurrentBeaconConfig()->smart_beacon.slow_speed) {
|
|
|
|
txInterval = BeaconMan.getCurrentBeaconConfig()->smart_beacon.slow_rate * 1000;
|
|
|
|
} else if (curr_speed > BeaconMan.getCurrentBeaconConfig()->smart_beacon.fast_speed) {
|
|
|
|
txInterval = BeaconMan.getCurrentBeaconConfig()->smart_beacon.fast_rate * 1000;
|
2021-10-14 21:31:56 +00:00
|
|
|
} else {
|
|
|
|
/* Interval inbetween low and high speed
|
|
|
|
min(slow_rate, ..) because: if slow rate is 300s at slow speed <=
|
|
|
|
10km/h and fast rate is 60s at fast speed >= 100km/h everything below
|
|
|
|
current speed 20km/h (100*60/20 = 300) is below slow_rate.
|
|
|
|
-> In the first check, if curr speed is 5km/h (which is < 10km/h), tx
|
|
|
|
interval is 300s, but if speed is 6km/h, we are landing in this
|
|
|
|
section, what leads to interval 100*60/6 = 1000s (16.6min) -> this
|
|
|
|
would lead to decrease of beacon rate in between 5 to 20 km/h. what
|
|
|
|
is even below the slow speed rate.
|
|
|
|
*/
|
2021-12-19 22:41:10 +00:00
|
|
|
txInterval = min(BeaconMan.getCurrentBeaconConfig()->smart_beacon.slow_rate, BeaconMan.getCurrentBeaconConfig()->smart_beacon.fast_speed * BeaconMan.getCurrentBeaconConfig()->smart_beacon.fast_rate / curr_speed) * 1000;
|
2021-10-14 21:31:56 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((Config.debug == false) && (millis() > 5000 && gps.charsProcessed() < 10)) {
|
|
|
|
logPrintlnE("No GPS frames detected! Try to reset the GPS Chip with this "
|
|
|
|
"firmware: https://github.com/lora-aprs/TTGO-T-Beam_GPS-reset");
|
2021-12-19 20:51:56 +00:00
|
|
|
show_display("No GPS frames detected!", "Try to reset the GPS Chip", "https://github.com/lora-aprs/TTGO-T-Beam_GPS-reset", 2000);
|
2021-10-14 21:31:56 +00:00
|
|
|
}
|
2020-04-03 21:21:35 +00:00
|
|
|
}
|
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
void load_config() {
|
|
|
|
ConfigurationManagement confmg("/tracker.json");
|
|
|
|
Config = confmg.readConfiguration();
|
2021-12-19 22:41:10 +00:00
|
|
|
BeaconMan.loadConfig(Config.beacons);
|
|
|
|
if (BeaconMan.getCurrentBeaconConfig()->callsign == "NOCALL-10") {
|
2021-10-14 21:31:56 +00:00
|
|
|
logPrintlnE("You have to change your settings in 'data/tracker.json' and "
|
|
|
|
"upload it via \"Upload File System image\"!");
|
|
|
|
show_display("ERROR", "You have to change your settings in 'data/tracker.json' and "
|
|
|
|
"upload it via \"Upload File System image\"!");
|
|
|
|
while (true) {
|
|
|
|
}
|
|
|
|
}
|
2020-04-03 21:21:35 +00:00
|
|
|
}
|
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
void setup_lora() {
|
|
|
|
logPrintlnI("Set SPI pins!");
|
|
|
|
SPI.begin(LORA_SCK, LORA_MISO, LORA_MOSI, LORA_CS);
|
|
|
|
logPrintlnI("Set LoRa pins!");
|
|
|
|
LoRa.setPins(LORA_CS, LORA_RST, LORA_IRQ);
|
|
|
|
|
|
|
|
long freq = Config.lora.frequencyTx;
|
|
|
|
logPrintI("frequency: ");
|
|
|
|
logPrintlnI(String(freq));
|
|
|
|
if (!LoRa.begin(freq)) {
|
|
|
|
logPrintlnE("Starting LoRa failed!");
|
|
|
|
show_display("ERROR", "Starting LoRa failed!");
|
|
|
|
while (true) {
|
|
|
|
}
|
|
|
|
}
|
|
|
|
LoRa.setSpreadingFactor(Config.lora.spreadingFactor);
|
|
|
|
LoRa.setSignalBandwidth(Config.lora.signalBandwidth);
|
|
|
|
LoRa.setCodingRate4(Config.lora.codingRate4);
|
|
|
|
LoRa.enableCrc();
|
|
|
|
|
|
|
|
LoRa.setTxPower(Config.lora.power);
|
|
|
|
logPrintlnI("LoRa init done!");
|
|
|
|
show_display("INFO", "LoRa init done!", 2000);
|
2020-05-17 14:16:53 +00:00
|
|
|
}
|
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
void setup_gps() {
|
|
|
|
ss.begin(9600, SERIAL_8N1, GPS_TX, GPS_RX);
|
2021-10-06 21:56:13 +00:00
|
|
|
}
|
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
char *s_min_nn(uint32_t min_nnnnn, int high_precision) {
|
|
|
|
/* min_nnnnn: RawDegrees billionths is uint32_t by definition and is n'telth
|
|
|
|
* degree (-> *= 6 -> nn.mmmmmm minutes) high_precision: 0: round at decimal
|
|
|
|
* position 2. 1: round at decimal position 4. 2: return decimal position 3-4
|
|
|
|
* as base91 encoded char
|
|
|
|
*/
|
|
|
|
|
|
|
|
static char buf[6];
|
|
|
|
min_nnnnn = min_nnnnn * 0.006;
|
|
|
|
|
|
|
|
if (high_precision) {
|
|
|
|
if ((min_nnnnn % 10) >= 5 && min_nnnnn < 6000000 - 5) {
|
|
|
|
// round up. Avoid overflow (59.999999 should never become 60.0 or more)
|
|
|
|
min_nnnnn = min_nnnnn + 5;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if ((min_nnnnn % 1000) >= 500 && min_nnnnn < (6000000 - 500)) {
|
|
|
|
// round up. Avoid overflow (59.9999 should never become 60.0 or more)
|
|
|
|
min_nnnnn = min_nnnnn + 500;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (high_precision < 2)
|
|
|
|
sprintf(buf, "%02u.%02u", (unsigned int)((min_nnnnn / 100000) % 100), (unsigned int)((min_nnnnn / 1000) % 100));
|
|
|
|
else
|
|
|
|
sprintf(buf, "%c", (char)((min_nnnnn % 1000) / 11) + 33);
|
|
|
|
// Like to verify? type in python for i.e. RawDegrees billions 566688333: i =
|
|
|
|
// 566688333; "%c" % (int(((i*.0006+0.5) % 100)/1.1) +33)
|
|
|
|
return buf;
|
2021-10-11 11:25:33 +00:00
|
|
|
}
|
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
String create_lat_aprs(RawDegrees lat) {
|
|
|
|
char str[20];
|
|
|
|
char n_s = 'N';
|
|
|
|
if (lat.negative) {
|
|
|
|
n_s = 'S';
|
|
|
|
}
|
|
|
|
// we like sprintf's float up-rounding.
|
|
|
|
// but sprintf % may round to 60.00 -> 5360.00 (53° 60min is a wrong notation
|
|
|
|
// ;)
|
|
|
|
sprintf(str, "%02d%s%c", lat.deg, s_min_nn(lat.billionths, 0), n_s);
|
|
|
|
String lat_str(str);
|
|
|
|
return lat_str;
|
2020-04-03 21:21:35 +00:00
|
|
|
}
|
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
String create_lat_aprs_dao(RawDegrees lat) {
|
|
|
|
// round to 4 digits and cut the last 2
|
|
|
|
char str[20];
|
|
|
|
char n_s = 'N';
|
|
|
|
if (lat.negative) {
|
|
|
|
n_s = 'S';
|
|
|
|
}
|
|
|
|
// we need sprintf's float up-rounding. Must be the same principle as in
|
|
|
|
// aprs_dao(). We cut off the string to two decimals afterwards. but sprintf %
|
|
|
|
// may round to 60.0000 -> 5360.0000 (53° 60min is a wrong notation ;)
|
|
|
|
sprintf(str, "%02d%s%c", lat.deg, s_min_nn(lat.billionths, 1 /* high precision */), n_s);
|
|
|
|
String lat_str(str);
|
|
|
|
return lat_str;
|
2021-06-24 12:33:52 +00:00
|
|
|
}
|
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
String create_long_aprs(RawDegrees lng) {
|
|
|
|
char str[20];
|
|
|
|
char e_w = 'E';
|
|
|
|
if (lng.negative) {
|
|
|
|
e_w = 'W';
|
|
|
|
}
|
|
|
|
sprintf(str, "%03d%s%c", lng.deg, s_min_nn(lng.billionths, 0), e_w);
|
|
|
|
String lng_str(str);
|
|
|
|
return lng_str;
|
2020-04-03 21:21:35 +00:00
|
|
|
}
|
2020-11-08 13:14:56 +00:00
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
String create_long_aprs_dao(RawDegrees lng) {
|
|
|
|
// round to 4 digits and cut the last 2
|
|
|
|
char str[20];
|
|
|
|
char e_w = 'E';
|
|
|
|
if (lng.negative) {
|
|
|
|
e_w = 'W';
|
|
|
|
}
|
|
|
|
sprintf(str, "%03d%s%c", lng.deg, s_min_nn(lng.billionths, 1 /* high precision */), e_w);
|
|
|
|
String lng_str(str);
|
|
|
|
return lng_str;
|
2021-06-24 12:33:52 +00:00
|
|
|
}
|
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
String create_dao_aprs(RawDegrees lat, RawDegrees lng) {
|
|
|
|
// !DAO! extension, use Base91 format for best precision
|
|
|
|
// /1.1 : scale from 0-99 to 0-90 for base91, int(... + 0.5): round to nearest
|
|
|
|
// integer https://metacpan.org/dist/Ham-APRS-FAP/source/FAP.pm
|
|
|
|
// http://www.aprs.org/aprs12/datum.txt
|
|
|
|
//
|
|
|
|
|
|
|
|
char str[10];
|
|
|
|
sprintf(str, "!w%s", s_min_nn(lat.billionths, 2));
|
|
|
|
sprintf(str + 3, "%s!", s_min_nn(lng.billionths, 2));
|
|
|
|
String dao_str(str);
|
|
|
|
return dao_str;
|
2021-06-24 12:33:52 +00:00
|
|
|
}
|
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
String createDateString(time_t t) {
|
|
|
|
return String(padding(day(t), 2) + "." + padding(month(t), 2) + "." + padding(year(t), 4));
|
2020-11-09 22:09:58 +00:00
|
|
|
}
|
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
String createTimeString(time_t t) {
|
2022-06-30 21:34:22 +00:00
|
|
|
return String(padding(hour(t), 2) + ":" + padding(minute(t), 2) + ":" + padding(second(t), 2));
|
2020-11-08 13:14:56 +00:00
|
|
|
}
|
2021-03-05 14:01:07 +00:00
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
String getSmartBeaconState() {
|
2021-12-19 22:41:10 +00:00
|
|
|
if (BeaconMan.getCurrentBeaconConfig()->smart_beacon.active) {
|
2021-10-14 21:31:56 +00:00
|
|
|
return "On";
|
|
|
|
}
|
|
|
|
return "Off";
|
2021-03-05 14:01:07 +00:00
|
|
|
}
|
2021-03-19 21:13:01 +00:00
|
|
|
|
2021-10-14 21:31:56 +00:00
|
|
|
String padding(unsigned int number, unsigned int width) {
|
|
|
|
String result;
|
|
|
|
String num(number);
|
|
|
|
if (num.length() > width) {
|
|
|
|
width = num.length();
|
|
|
|
}
|
|
|
|
for (unsigned int i = 0; i < width - num.length(); i++) {
|
|
|
|
result.concat('0');
|
|
|
|
}
|
|
|
|
result.concat(num);
|
|
|
|
return result;
|
2021-03-19 21:13:01 +00:00
|
|
|
}
|