120 lines
5.7 KiB
C++
120 lines
5.7 KiB
C++
#include <WiFi.h>
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#include "configuration.h"
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#include "station_utils.h"
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#include "aprs_is_utils.h"
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#include "query_utils.h"
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#include "digi_utils.h"
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#include "wifi_utils.h"
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#include "gps_utils.h"
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#include "display.h"
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#include "utils.h"
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extern Configuration Config;
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extern uint32_t lastScreenOn;
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extern String iGateBeaconPacket;
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extern String firstLine;
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extern String secondLine;
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extern String thirdLine;
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extern String fourthLine;
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extern String fifthLine;
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extern String sixthLine;
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extern String seventhLine;
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extern bool backUpDigiMode;
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namespace DIGI_Utils {
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String buildPacket(const String& path, const String& packet, bool thirdParty) {
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String packetToRepeat = packet.substring(0, packet.indexOf(",") + 1);
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String tempPath = path;
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tempPath.replace(Config.beacon.path, Config.callsign + "*");
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packetToRepeat += tempPath;
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if (thirdParty) {
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packetToRepeat += APRS_IS_Utils::checkForStartingBytes(packet.substring(packet.indexOf(":}")));
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} else {
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packetToRepeat += APRS_IS_Utils::checkForStartingBytes(packet.substring(packet.indexOf(":")));
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}
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return packetToRepeat;
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}
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String generateDigiRepeatedPacket(const String& packet, bool thirdParty){
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String temp, path;
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if (thirdParty) { // only header is used
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String header = packet.substring(0, packet.indexOf(":}"));
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temp = header.substring(header.indexOf(">") + 1);
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} else {
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temp = packet.substring(packet.indexOf(">") + 1, packet.indexOf(":"));
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}
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if (temp.indexOf(",") > 2) { // checks for path
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path = temp.substring(temp.indexOf(",") + 1);
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if (path.indexOf(Config.beacon.path) != -1) {
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return buildPacket(path, packet, thirdParty);
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} else {
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return "";
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}
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} else {
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return "";
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}
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}
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void processLoRaPacket(const String& packet) {
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bool queryMessage = false;
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String loraPacket, Sender, AddresseeAndMessage, Addressee;
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if (packet != "") {
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if ((packet.substring(0, 3) == "\x3c\xff\x01") && (packet.indexOf("NOGATE") == -1)) {
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if (packet.indexOf("}") > 0 && packet.indexOf("TCPIP") > 0) { // 3rd Party
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String noHeaderPacket = packet.substring(packet.indexOf(":}") + 2);
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Sender = noHeaderPacket.substring(0, noHeaderPacket.indexOf(">"));
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if (Sender != Config.callsign) { // avoid processing own packets
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if (STATION_Utils::check25SegBuffer(Sender, noHeaderPacket.substring(noHeaderPacket.indexOf(":") + 2))) {
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STATION_Utils::updateLastHeard(Sender);
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Utils::typeOfPacket(noHeaderPacket, 2); // Digi
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if (noHeaderPacket.indexOf("::") > 10) { // it's a message
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AddresseeAndMessage = noHeaderPacket.substring(noHeaderPacket.indexOf("::") + 2);
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Addressee = AddresseeAndMessage.substring(0, AddresseeAndMessage.indexOf(":"));
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Addressee.trim();
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if (Addressee == Config.callsign) { // it's a message for me!
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queryMessage = APRS_IS_Utils::processReceivedLoRaMessage(Sender, AddresseeAndMessage);
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}
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}
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if (!queryMessage) {
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loraPacket = generateDigiRepeatedPacket(packet.substring(3), true);
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if (loraPacket != "") {
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STATION_Utils::addToOutputPacketBuffer(loraPacket);
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display_toggle(true);
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lastScreenOn = millis();
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}
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}
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}
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}
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} else {
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Sender = packet.substring(3, packet.indexOf(">"));
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if (Sender != Config.callsign && Utils::checkValidCallsign(Sender)) {
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if (STATION_Utils::check25SegBuffer(Sender, packet.substring(packet.indexOf(":") + 2))) {
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STATION_Utils::updateLastHeard(Sender);
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Utils::typeOfPacket(packet.substring(3), 2); // Digi
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if (packet.indexOf("::") > 10) { // it's a message
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AddresseeAndMessage = packet.substring(packet.indexOf("::") + 2);
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Addressee = AddresseeAndMessage.substring(0, AddresseeAndMessage.indexOf(":"));
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Addressee.trim();
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if (Addressee == Config.callsign) { // its a message for me!
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queryMessage = APRS_IS_Utils::processReceivedLoRaMessage(Sender, AddresseeAndMessage);
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}
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}
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if (!queryMessage) {
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loraPacket = generateDigiRepeatedPacket(packet.substring(3), false);
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if (loraPacket != "") {
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STATION_Utils::addToOutputPacketBuffer(loraPacket);
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display_toggle(true);
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lastScreenOn = millis();
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}
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}
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}
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}
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}
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}
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}
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}
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} |