MANUAL TX & FIXED POS

added the ability to manually send the package, and the default coordinates when the GPS is off or there is no FIX

src/TTGO_T-Beam_LoRa_APRS.ino

@@ -41,8 +41,8 @@ String Textzeile1, Textzeile2;
 #ifdef KISS_PROTOCOLL
 String inTNCData = "";
 #endif
-int button=0;
-int button_ctr=0;
+//int button=0;
+//int button_ctr=0;
 
 // Pins for GPS
 #ifdef T_BEAM_V1_0
@@ -77,6 +77,7 @@ String Tcall;                //your Call Sign for normal position reports
 String sTable="/";           //Primer
 String relay_path;
 boolean gps_state = true;
+boolean key_up = true;
 
 // Variables and Constants
 String loraReceivedFrameString = "";     //data on buff is copied to this string
@@ -190,10 +191,10 @@ void recalcGPS(){
   if(Tlat < 0) { Tlat= -Tlat; }
 
   if(Tlon < 0) { Tlon= -Tlon; }
-  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;
+    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 = "";
@@ -208,22 +209,29 @@ void recalcGPS(){
   #elif
     outString += ">APLM0:!";
   #endif
-  outString += APRS_SYMBOL_TABLE;
   
-  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];
+  if(gps_state==true && gps.location.isValid()){
+    outString += APRS_SYMBOL_TABLE;
+    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 += APRS_SYMBOL;
+    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 += "\x48";
+  }else{
+    outString += LATIDUDE_PRESET;
+    outString += APRS_SYMBOL_TABLE;
+    outString += LONGITUDE_PRESET;
+    outString += APRS_SYMBOL;
   }
-  outString += APRS_SYMBOL;
-  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 += "\x48";
 
   #ifdef SHOW_ALT
     outString += "/A=";
@@ -256,20 +264,12 @@ void sendpacket(){
   batt_read();
   Outputstring = "";
 
-  if ( gps.location.isValid()   || gps.location.isUpdated() ) {
+  //if ( gps.location.isValid()   || gps.location.isUpdated() ) {
     recalcGPS();                        //
     Outputstring =outString;
     message = Outputstring;
     loraSend(lora_TXStart, lora_TXEnd, 60, 255, 1, 10, TXdbmW, TXFREQ, message);  //send the packet, data is in TXbuff from lora_TXStart to lora_TXEnd
-  }  else {
-    Outputstring = (Tcall);
-    Outputstring += " No GPS-Fix";
-    Outputstring += " Batt=";
-    Outputstring += String(BattVolts,2);
-    Outputstring += ("V ");
-    message = Outputstring;
-    loraSend(lora_TXStart, lora_TXEnd, 60, 255, 1, 10, 5, TXFREQ, message);  //send the packet, data is in TXbuff from lora_TXStart to lora_TXEnd
-  }
+  //}
 }
 
 void loraSend(byte lora_LTXStart, byte lora_LTXEnd, byte lora_LTXPacketType, byte lora_LTXDestination, byte lora_LTXSource, long lora_LTXTimeout, byte lora_LTXPower, float lora_FREQ, const String& message){
@@ -367,7 +367,6 @@ String getSatAndBatInfo() {
 
 void displayInvalidGPS() {
   writedisplaytext(" " + Tcall, "(TX) at valid GPS", "LAT: not valid", "LON: not valid", "SPD: ---  CRS: ---", getSatAndBatInfo(), 1);
-  //writedisplaytext(" " + Tcall, "(TX) at valid GPS", "LAT: not valid", "LON: not valid", "SPD: ---  CRS: ---", "", 1);
   #ifdef SHOW_GPS_DATA
   Serial.print("(TX) at valid GPS / LAT: not valid / Lon: not valid / SPD: --- / CRS: ---");
     Serial.print(" / SAT: ");
@@ -460,8 +459,22 @@ void setup(){
 // +---------------------------------------------------------------------+//
 
 void loop() {
-  if(digitalRead(BUTTON)==LOW){
-    delay(2000);
+  if(digitalRead(BUTTON)==LOW && key_up == true){
+    key_up = false;
+    delay(100);
+    if(digitalRead(BUTTON)==LOW){
+      delay(300);
+      if(digitalRead(BUTTON)==HIGH){
+        if(gps_state == true && gps.location.isValid()){
+            writedisplaytext("((MAN TX))","","","","","",1);
+            sendpacket();
+        }else{
+            writedisplaytext("((FIX TX))","","","","","",1);
+            sendpacket();
+        }
+      }
+    }
+    delay(1500);
     if(digitalRead(BUTTON)==LOW){
         if(gps_state == true){
           gps_state = false;
@@ -475,6 +488,9 @@ void loop() {
         }
     }
   }
+  if(digitalRead(BUTTON)==HIGH && key_up == false){ 
+    key_up = true;
+  }
 
   while (gpsSerial.available() > 0) {
     gps.encode(gpsSerial.read());
@@ -568,9 +584,9 @@ void loop() {
     old_course = new_course;
   }
 
-  if (button_ctr==2) {
-    nextTX = 0;
-  }
+  //if (button_ctr==2) {
+  //  nextTX = 0;
+  //}
 
   if ((millis()<max_time_to_nextTX)&&(lastTX == 0)) {
     nextTX = 0;

src/TTGO_T-Beam_LoRa_APRS_config.h

@@ -9,20 +9,22 @@
 #define KISS_PROTOCOLL                                  // If enabled send and receive data in SIMPLE KISS format to serial port
 #define CALLSIGN "SQ9MDD-11"                            // enter your callsign here - less then 6 letter callsigns please add "spaces" so total length is 6 (without SSID)
 #define DIGI_PATH "WIDE1-1"                             // one hope please (WIDE1-1)
+#define LATIDUDE_PRESET "5215.03N"                      // please in APRS notation: DDMM.mmN or DDMM.mmS
+#define LONGITUDE_PRESET "02055.59E"                    // please in APRS notation: DDDMM.mmE or DDDMM.mmW
 #define APRS_SYMBOL_TABLE "/"
 #define APRS_SYMBOL "["                                 // other symbols are: "[" => RUNNER, "b" => BICYCLE, "<" => MOTORCYCLE, "R" => Recreation Vehicle
 #define MY_COMMENT "LoRa tracker"                       // add your coment here - if empty then no comment is sent
 //#define SHOW_ALT                                      // send Altitude in frame
 #define SHOW_BATT                                       // send battery voltage at the end of comment (we need beggining for QSY message format)
 #define SHOW_RX_PACKET                                  // uncomment to show received LoRa APS packets for the time given below
-#define SHOW_RX_TIME 30000                              // show RX packet for milliseconds (5000 = 5secs)
+#define SHOW_RX_TIME 10000                              // show RX packet for milliseconds (5000 = 5secs)
 #define TXFREQ  433.775                                 // Transmit frequency in MHz
 #define TXdbmW  20                                      // Transmit power in dBm         17-50mW, 18-63mW, 19-80mW, 20-100mW
 //#define SHOW_GPS_DATA                                 // uncomment to show on serial port, received data from GPS and debug information
-#define ENABLE_BLUETOOTH
-#define BLUETOOTH_PIN "0000"
+#define ENABLE_BLUETOOTH                                // bluetooth KISS interface enable
+//#define BLUETOOTH_PIN "0000"
 //#define KISS_DEBUG
-//#define LOCAL_KISS_ECHO                                 // echoing KISS frame back
+//#define LOCAL_KISS_ECHO                               // echoing KISS frame back
 #define T_BEAM_V1_0                                     // if enabled t-beam v1.0 disabled t-beam V.0.7
 
 unsigned long max_time_to_nextTX = 360000L;             // TRANSMIT INTERVAL set here MAXIMUM time in ms(!) for smart beaconing - minimum time is always 1 min = 60 secs = 60000L !!!