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working.ino
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working.ino
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#include <TinyGPS++.h>
#include <SPI.h>
#include <Wire.h>
#include <M5Stack.h>
#include "WiFi.h"
#include <SD.h>
#include <string>
#include <map>
#include <cstring>
#define ARDUINO_USD_CS 4
#define LOG_FILE_PREFIX "/gpslog"
#define MAX_LOG_FILES 100
#define LOG_FILE_SUFFIX "csv"
#define LOG_COLUMN_COUNT 11
#define LOG_RATE 500
#define NOTE_DH2 661
using namespace std;
char logFileName[13];
int totalNetworks = 0;
unsigned long lastLog = 0;
const String wigleHeaderFileFormat = "WigleWifi-1.4,appRelease=2.26,model=Feather,release=0.0.0,device=arduinoWardriving,display=3fea5e7,board=esp8266,brand=Adafruit";
const char * log_col_names[LOG_COLUMN_COUNT] = {
"MAC", "SSID", "AuthMode", "FirstSeen", "Channel", "RSSI", "Latitude", "Longitude", "AltitudeMeters", "AccuracyMeters", "Type"
};
TinyGPSPlus tinyGPS;
HardwareSerial ss(2);
File root;
std::map<uint8_t, string> my_map = {
{ 2, "[WPA-PSK-CCMP+TKIP][ESS]" },
{ 4, "[WEP][ESS]" },
{ 5, "[WPA2-PSK-CCMP+TKIP][ESS]" },
{ 7, "[ESS]" },
{ 8, "[WPA-PSK-CCMP+TKIP][WPA2-PSK-CCMP+TKIP][ESS]" }
};
uint8_t GetByte(uint8_t network){
byte encryption = WiFi.encryptionType(network);
return encryption;
}
string GetDictionaryString(uint8_t value){
try {
return my_map.at(value);
}
catch (const std::exception& e) {
return "Unidentified";
}
}
void setup() {
M5.begin();
Serial.begin(115200);
ss.begin(9600);
WiFi.mode(WIFI_STA);
WiFi.disconnect();
if (!SD.begin(ARDUINO_USD_CS)) {
M5.Lcd.println("SD card error");
M5.Lcd.println("Error initializing SD card.");
while(true)
delay(100);
}
M5.Lcd.println("SD card OK!");
delay(500);
updateFileName();
printHeader();
}
void loop() {
if (tinyGPS.location.isValid()) {
lookForNetworks();
screenWipe();
M5.Lcd.print("Nets: ");
M5.Lcd.println(totalNetworks);
M5.Lcd.print("Sats: ");
M5.Lcd.println(tinyGPS.satellites.value());
M5.Lcd.print("Lat: ");
M5.Lcd.println(tinyGPS.location.lat(), 3);
M5.Lcd.print("Lng: ");
M5.Lcd.println(tinyGPS.location.lng(), 3);
} else {
Serial.print("Location invalid. Satellite count: ");
Serial.println(tinyGPS.satellites.value());
screenWipe();
M5.Lcd.println("GPS not locked");
M5.Lcd.print("Sats: ");
M5.Lcd.println(tinyGPS.satellites.value());
M5.Lcd.print("Characters Processsed: ");
M5.Lcd.println(tinyGPS.charsProcessed());
M5.Lcd.print("Sentences With Fix: ");
M5.Lcd.println(tinyGPS.sentencesWithFix());
M5.Lcd.print("Failed Checksum: ");
M5.Lcd.println(tinyGPS.failedChecksum());
}
smartDelay(LOG_RATE);
}
static void smartDelay(unsigned long ms) {
unsigned long start = millis();
do {
while (ss.available())
tinyGPS.encode(ss.read());
} while (millis() - start < ms);
}
void lookForNetworks() {
int n = WiFi.scanNetworks();
if (n == 0) {
Serial.println("No networks found");
Serial.println("No networks found");
M5.Lcd.fillScreen(RED);
} else {
for (uint8_t i = 0; i <= n; ++i) {
Serial.print("Network name: ");
Serial.println(WiFi.SSID(i));
if ((isOnFile(WiFi.BSSIDstr(i)) == -1) && (WiFi.channel(i) > 0) && (WiFi.channel(i) < 15)) { //Avoid erroneous channels
totalNetworks++;
File logFile = SD.open(logFileName, FILE_APPEND);
Serial.print("New network found ");
Serial.println(WiFi.BSSIDstr(i));
M5.Lcd.setCursor(0,110);
M5.Lcd.println(" ");//clear the part of the LCD we're going to write the next ssid to
M5.Lcd.setCursor(0,110);
M5.Lcd.println("New Networks:");
String SSID = WiFi.SSID(i);
M5.Lcd.setCursor(0,130);
M5.Lcd.println(SSID);
logFile.print(WiFi.BSSIDstr(i));
logFile.print(',');
SSID = WiFi.SSID(i);
// Commas in SSID brokes the csv file padding
SSID.replace(",", ".");
if(logFile.print(SSID)){
Serial.println("************************************************************************Message appended");
} else {
Serial.println("******************************************************************************Append failed");
}
//logFile.print(SSID);
logFile.print(',');
string abc = "";
string test = GetDictionaryString(GetByte(i));
const char *str = test.c_str();
logFile.print(str);
logFile.print(',');
logFile.print(tinyGPS.date.year());
logFile.print('-');
logFile.print(tinyGPS.date.month());
logFile.print('-');
logFile.print(tinyGPS.date.day());
logFile.print(' ');
logFile.print(tinyGPS.time.hour());
logFile.print(':');
logFile.print(tinyGPS.time.minute());
logFile.print(':');
logFile.print(tinyGPS.time.second());
logFile.print(',');
logFile.print(WiFi.channel(i));
logFile.print(',');
logFile.print(WiFi.RSSI(i));
logFile.print(',');
logFile.print(tinyGPS.location.lat(), 6);
logFile.print(',');
logFile.print(tinyGPS.location.lng(), 6);
logFile.print(',');
logFile.print(tinyGPS.altitude.meters(), 1);
logFile.print(',');
logFile.print((tinyGPS.hdop.value(), 1));
logFile.print(',');
logFile.print("WIFI");
logFile.println();
logFile.close();
}
}
}
//M5.Speaker.tone(NOTE_DH2, 20);
}
int isOnFile(String mac) {
File netFile = SD.open(logFileName);
String currentNetwork;
if (netFile) {
while (netFile.available()) {
currentNetwork = netFile.readStringUntil('\n');
if (currentNetwork.indexOf(mac) != -1) {
//Serial.println("The network was already found");
//Serial.println("The network was already found");
//Serial.println("The network was already found");
//Serial.println("******************************************************************");
netFile.close();
//M5.Lcd.print("We think we already found this network debug????");
//M5.Lcd.print("The index of the network is: ");
//M5.Lcd.println(currentNetwork.indexOf(mac));
return currentNetwork.indexOf(mac);
}
}
netFile.close();
Serial.println("We dont think we've seen this network before");
//M5.Lcd.println("We dont think we've seen this network before");
//M5.Lcd.print("The index of the network is: ");
//M5.Lcd.println(currentNetwork.indexOf(mac));
return currentNetwork.indexOf(mac);
}
Serial.println("netFile was not true");
//M5.Lcd.print("netFile was not true");
}
void printHeader() {
File logFile = SD.open(logFileName, FILE_WRITE);
if (logFile) {
int i = 0;
logFile.println(wigleHeaderFileFormat); // comment out to disable Wigle header
for (; i < LOG_COLUMN_COUNT; i++) {
logFile.print(log_col_names[i]);
if (i < LOG_COLUMN_COUNT - 1)
logFile.print(',');
else
logFile.println();
}
logFile.close();
}
}
void updateFileName() {
int i = 0;
for (; i < MAX_LOG_FILES; i++) {
memset(logFileName, 0, strlen(logFileName));
sprintf(logFileName, "%s%d.%s", LOG_FILE_PREFIX, i, LOG_FILE_SUFFIX);
if (!SD.exists(logFileName)) {
Serial.println("we picked a new file name");
Serial.println(logFileName);
M5.Lcd.println("we picked a new file name");
M5.Lcd.println(logFileName);
break;
} else {
Serial.print(logFileName);
Serial.println(" exists");
}
}
M5.Lcd.println("File name: ");
M5.Lcd.println(logFileName);
}
void screenWipe() {
M5.Lcd.setTextSize(2);
M5.Lcd.fillScreen(BLACK);
M5.Lcd.setCursor(0, 0);
}