Merge pull request #3 from oe3cjb/install_doc

Install doc
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INSTALL.md 100644
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<h2>Installation Guide using PlatformIO</h2>
<br>
1. Clone all files of the respository to your local working directory<br>
2. Install the missing libraries<br>
There are two possibilities - either using the Library Manager of PlatformIO or the command line tool:<br>
<h3>1. Built-In Liabrary Manager</h3>
Press the PlatformIO HOME Button to enter the Home Screen and there the Libraries Button to add missing libraries:<br>
<img src="img/img1.jpg" width="480"><br>
Search and install the following libaries:<br>
<ul>
<li>RadioHead</li>
<li>TinyGPSPlus</li>
<li>DHT sensor library for ESPx</li>
<li>Adafruit SSD1306</li>
<li>Adafruit GFX Library</li>
<li>Adafruit Unified Sensor</li>
<li>AXP202X_Library</li>
<li>OneWire</li>
<li>DallasTemperature</li>
</ul>
<br>
<h3>2. Command Line Tool</h3>
use the following commands<br>
platformio lib install "RadioHead"<br>
platformio lib install "TinyGPSPlus"<br>
platformio lib install "DHT sensor library for ESPx"<br>
platformio lib install "Adafruit SSD1306"<br>
platformio lib install "Adafruit GFX Library"<br>
platformio lib install "AXP202X_Library"<br>
platformio lib install "Adafruit Unified Sensor"<br>
platformio lib install "OneWire"<br>
platformio lib install "DallasTemperature"<br>
<br>
Check that the platformio.ini is available as it holds the board type for PlatformIO.<br>
After pressing the check mark the code will be compiled, after pressing the arrow it will be compiled and uploaded to a connected TTGO.<br>

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@ -32,9 +32,13 @@ The symbol can now be changed without attached display - during normal operation
<b>2x TX LED blinks represent "yes" to leave the setup</b> - press here the key to leave the setup - please do so if you don't have a display attached.<br>
1x TX LED blinks represent "no" to continue with the setup - press here the key to continue the setup - please do so if you have a display attached.<br>
<br>
<b>Temperature Sensor:</b><br>
for DHT22 I used the library from https://github.com/beegee-tokyo/DHTesp, as the standard library gives to many wrong readings<br>
Now the DS18B20 is supported as well - uncomment line 31: // #define DS18B20 // use this if you use DS18B20, default ist DHT22<br>
<br>
new features:<br>
- DS18B20 support (setable in config.h)
- GPS switched off in WX_FIXED mode (only available with boards with HW-Version >=V1.0)
- immediate TX with short key press
- course changes of >30° will cause a TX beacon
- code optimized and cleaned

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@ -41,7 +41,12 @@
#include <TinyGPS++.h>
#include <math.h>
#include <DHTesp.h> // library from https://github.com/beegee-tokyo/DHTesp
#ifdef DS18B20
#include <OneWire.h> // libraries for DS18B20
#include <DallasTemperature.h>
#else
#include <DHTesp.h> // library from https://github.com/beegee-tokyo/DHTesp for DHT22
#endif
#include <driver/adc.h>
#include <Wire.h>
@ -67,7 +72,7 @@
#define SSD1306_ADDRESS 0x3C
// AXP192 address
#define AXP192_SLAVE_ADDRESS 0x34
// #define AXP192_SLAVE_ADDRESS 0x34 // already defined in axp20x.h
/* for feather32u4
#define RFM95_CS 8
@ -142,7 +147,8 @@ const byte RX_en = 0; //TX/RX enable 1W modul
// #define ModemConfig BG_RF95::Bw125Cr45Sf4096
#define DHTPIN 25 // pin the DHT22 is connected to Pin25
#define DHTPIN 25 // the DHT22 is connected to PIN25
#define ONE_WIRE_BUS 25 // the DS18B20 is connected to PIN25
// Variables for APRS packaging
String Tcall; //your Call Sign for normal position reports
@ -210,7 +216,13 @@ void writedisplaytext(String, String, String, String, String, String, int);
void setup_data(void);
DHTesp dht;
#ifdef DS18B20
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
#else
DHTesp dht; // Initialize DHT sensor for normal 16mhz Arduino
#endif
// SoftwareSerial ss(RXPin, TXPin); // The serial connection to the GPS device
HardwareSerial ss(1); // TTGO has HW serial
@ -265,7 +277,11 @@ void setup()
Serial.println("LoRa-APRS / Init / AXP192 Begin FAIL");
}
axp.setPowerOutPut(AXP192_LDO2, AXP202_ON);
axp.setPowerOutPut(AXP192_LDO3, AXP202_ON);
if (tracker_mode != WX_FIXED) {
axp.setPowerOutPut(AXP192_LDO3, AXP202_ON); // switch on GPS in all modes except WX_FIXED
} else {
axp.setPowerOutPut(AXP192_LDO3, AXP202_OFF); // switch off GPS in WX_FIXED mode
}
axp.setPowerOutPut(AXP192_DCDC2, AXP202_ON);
axp.setPowerOutPut(AXP192_EXTEN, AXP202_ON);
axp.setPowerOutPut(AXP192_DCDC1, AXP202_ON);
@ -369,6 +385,9 @@ void setup()
}
writedisplaytext(" "+Tcall,"","Init:","Data from GPS OK!","","",250);
Serial.println("LoRa-APRS / Init / Data from GPS OK!");
} else {
writedisplaytext(" "+Tcall,"","Init:","GPS switched OFF!","","",250);
Serial.println("LoRa-APRS / Init / GPS switched OFF!");
}
#ifdef T_BEAM_V1_0
@ -387,10 +406,19 @@ void setup()
rf95.setModemConfig(BG_RF95::Bw125Cr45Sf4096); // hard coded because of double definition
rf95.setTxPower(5);
dht.setup(DHTPIN,dht.AUTO_DETECT); // initialize DHT22
#ifdef DS18B20
sensors.begin();
#else
dht.setup(DHTPIN,dht.AUTO_DETECT); // initialize DHT22
#endif
delay(250);
temp = dht.getTemperature();
hum = dht.getHumidity();
#ifdef DS18B20
sensors.requestTemperatures(); // Send the command to get temperature readings
temp = sensors.getTempCByIndex(0); // get temp from 1st (!) sensor only
#else
temp = dht.getTemperature();
hum = dht.getHumidity();
#endif
writedisplaytext("LoRa-APRS","","Init:","DHT OK!","TEMP: "+String(temp,1),"HUM: "+String(hum,1),250);
Serial.print("LoRa-APRS / Init / DHT OK! Temp=");
Serial.print(String(temp));
@ -426,6 +454,9 @@ void loop() {
tracker_mode = WX_FIXED;
writedisplaytext("LoRa-APRS","","New Mode","WX-FIXED","","",500);
Serial.println("LoRa-APRS / New Mode / WX-FIXED");
#ifdef T_BEAM_V1_0
axp.setPowerOutPut(AXP192_LDO3, AXP202_OFF); // switch OFF GPS at mode WX_FIXED
#endif
blinker(4);
break;
case WX_FIXED:
@ -433,6 +464,9 @@ void loop() {
tracker_mode = TRACKER;
writedisplaytext("LoRa-APRS","","New Mode","TRACKER","","",500);
Serial.println("LoRa-APRS / New Mode / TRACKER");
#ifdef T_BEAM_V1_0
axp.setPowerOutPut(AXP192_LDO3, AXP202_ON); // switch on GPS in all modes except WX_FIXED
#endif
blinker(1);
break;
}
@ -440,6 +474,7 @@ void loop() {
prefs.putChar("tracker_mode", (char)tracker_mode);
prefs.end();
button_ctr=0;
// ESP.restart();
}
} else {
button_ctr = 0;
@ -447,14 +482,25 @@ void loop() {
if (hum_temp) {
hum_temp=false;
temp = dht.getTemperature();
#ifdef DS18B20
sensors.requestTemperatures(); // Send the command to get temperature readings
temp = sensors.getTempCByIndex(0); // get temp from 1st (!) sensor only
#else
temp = dht.getTemperature();
#endif
} else {
hum_temp=true;
hum = dht.getHumidity();
#ifdef DS18B20
hum = 0;
#else
hum = dht.getHumidity();
#endif
}
while (ss.available() > 0) {
gps.encode(ss.read());
if (tracker_mode != WX_FIXED) {
while (ss.available() > 0) {
gps.encode(ss.read());
}
}
if (rf95.waitAvailableTimeout(100)) {
@ -475,6 +521,30 @@ void loop() {
if (nextTX < min_time_to_nextTX) {nextTX=min_time_to_nextTX;}
if (nextTX > max_time_to_nextTX) {nextTX=max_time_to_nextTX;}
average_course[point_avg_course] = gps.course.deg(); // calculate smart beaconing course
++point_avg_course;
if (point_avg_course>2) {
point_avg_course=0;
// new_course = (average_course[0]+average_course[1]+average_course[2])/3;
new_course = atan ((sin(average_course[0])+sin(average_course[1])+sin(average_course[2]))/(cos(average_course[0])+cos(average_course[1])+cos(average_course[2])));
if ((old_course < 30) && (new_course > 330)) {
if (abs(new_course-old_course-360)>=30) {
nextTX = 0;
}
} else {
if ((old_course > 330) && (new_course < 30)) {
if (abs(new_course-old_course+360)>=30) {
nextTX = 0;
}
} else {
if (abs(new_course-old_course)>=30) {
nextTX = 0;
}
}
}
old_course = new_course;
}
} else {
LatShown = LatFixed;
LongShown = LongFixed;
@ -487,18 +557,6 @@ void loop() {
nextTX = 0;
}
average_course[point_avg_course] = gps.course.deg(); // calculate smart beaconing course
++point_avg_course;
if (point_avg_course>2) {
point_avg_course=0;
new_course = (average_course[0]+average_course[1]+average_course[2])/3;
if (abs(new_course-old_course)>=30) {
nextTX = 0;
}
old_course = new_course;
}
if ((millis()<max_time_to_nextTX)&&(lastTX == 0)) {
nextTX = 0;
}
@ -615,11 +673,11 @@ static void smartDelay(unsigned long ms)
void recalcGPS(){
String Ns, Ew, helper;
float Tlat, Tlon;
float Tlat=48.2012, Tlon=15.6361;
int i, Talt, lenalt;
float Lat;
float Lon;
float Tspeed, Tcourse;
float Lat=0.0;
float Lon=0.0;
float Tspeed=0, Tcourse=0;
String Speedx, Coursex, Altx;
if (tracker_mode != WX_FIXED) {
@ -650,8 +708,14 @@ outString = "";
switch(tracker_mode) {
case WX_FIXED:
hum = dht.getHumidity();
tempf = dht.getTemperature()*9/5+32;
#ifdef DS18B20
sensors.requestTemperatures(); // Send the command to get temperature readings
tempf = sensors.getTempFByIndex(0); // get temp from 1st (!) sensor only
hum = 0;
#else
hum = dht.getHumidity();
tempf = dht.getTemperature()*9/5+32;
#endif
for (i=0; i<wxTcall.length();++i){ // remove unneeded "spaces" from callsign field
if (wxTcall.charAt(i) != ' ') {
outString += wxTcall.charAt(i);
@ -684,8 +748,14 @@ switch(tracker_mode) {
break;
case WX_TRACKER:
if (wx) {
hum = dht.getHumidity();
tempf = dht.getTemperature()*9/5+32;
#ifdef DS18B20
sensors.requestTemperatures(); // Send the command to get temperature readings
tempf = sensors.getTempFByIndex(0); // get temp from 1st (!) sensor only
hum = 0;
#else
hum = dht.getHumidity();
tempf = dht.getTemperature()*9/5+32;
#endif
for (i=0; i<wxTcall.length();++i){ // remove unneeded "spaces" from callsign field
if (wxTcall.charAt(i) != ' ') {
outString += wxTcall.charAt(i);
@ -747,8 +817,14 @@ switch(tracker_mode) {
}
break;
case WX_MOVE:
hum = dht.getHumidity();
tempf = dht.getTemperature()*9/5+32;
#ifdef DS18B20
sensors.requestTemperatures(); // Send the command to get temperature readings
tempf = sensors.getTempFByIndex(0); // get temp from 1st (!) sensor only
hum = 0;
#else
hum = dht.getHumidity();
tempf = dht.getTemperature()*9/5+32;
#endif
for (i=0; i<wxTcall.length();++i){ // remove unneeded "spaces" from callsign field
if (wxTcall.charAt(i) != ' ') {
outString += wxTcall.charAt(i);
@ -936,7 +1012,7 @@ void setup_data(void) {
int8_t pos_in_string;
int8_t pos_ssid;
bool key_pressed = false;
int waiter, symbol_only;
int waiter;
int initial_waiter = 2000;
char aktueller_letter;
int8_t pos_letter;

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@ -27,11 +27,13 @@
// #define T_BEAM_V1_0 // use this for newer Boards AKA Rev1 (second board release)
#define T_BEAM_V0_7 // use this for older Boards AKA Rev0.x (first board release)
// SET temperature sensor type
// #define DS18B20 // use this if you use DS18B20, default ist DHT22
// USER DATA - USE THESE LINES TO MODIFY YOUR PREFERENCES
// IF NOT CHANGED you have to go through the configuration routine at first boot up of the TTGO T-Beam
// #define DONT_USE_FLASH_MEMORY // uncomment if you don't want to use Flashmemory - instead data below must be corrected
#define CALLSIGN "OE1XYZ-0" // enter your callsign here - less then 6 letter callsigns please add "spaces" so total length is 6 (without SSID)
#define WX_CALLSIGN "OE1XYZ-0" // use same callsign but you can use different SSID
#define LONGITUDE_PRESET "01539.85E" // please in APRS notation DDDMM.mmE or DDDMM.mmW