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Create AudioDev.ino
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@camdenmoors
camdenmoors authored Apr 17, 2022
1 parent 0b7105b commit 3c57a98
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298 changes: 298 additions & 0 deletions AudioDev.ino
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#include <WiFi.h>
#include <Wire.h>
#include "Talkie.h"
#include "Vocab_US_Large.h"
#include "Vocab_Special.h"
#include "esp_wifi.h"

Talkie voice;

String maclist[2048][3];
int listcount = 0;

String defaultTTL = "20"; // Maximum time in seconds before device is consirded offline

const wifi_promiscuous_filter_t filt = {
.filter_mask = WIFI_PROMIS_FILTER_MASK_MGMT | WIFI_PROMIS_FILTER_MASK_DATA
};

typedef struct {
unsigned frame_ctrl: 16;
unsigned duration_id: 16;
uint8_t addr1[6]; /* receiver address */
uint8_t addr2[6]; /* sender address */
uint8_t addr3[6]; /* filtering address */
unsigned sequence_ctrl: 16;
uint8_t addr4[6]; /* optional */
}
wifi_ieee80211_mac_hdr_t;

typedef struct {
wifi_ieee80211_mac_hdr_t hdr;
uint8_t payload[0]; /* network data ended with 4 bytes csum (CRC32) */
}
wifi_ieee80211_packet_t;

#define maxCh 11 //max Channel -> US = 11, EU = 13, Japan = 14

int curChannel = 1;

const char * wifi_sniffer_packet_type2str(wifi_promiscuous_pkt_type_t type) {
switch (type) {
case WIFI_PKT_MGMT:
return "MGMT";
case WIFI_PKT_DATA:
return "DATA";
default:
case WIFI_PKT_MISC:
return "MISC";
}
}

void sniffer(void * buff, wifi_promiscuous_pkt_type_t type) { //This is where packets end up after they get sniffed
const wifi_promiscuous_pkt_t * ppkt = (wifi_promiscuous_pkt_t * ) buff;
const wifi_ieee80211_packet_t * ipkt = (wifi_ieee80211_packet_t * ) ppkt -> payload;
const wifi_ieee80211_mac_hdr_t * hdr = & ipkt -> hdr;

char mac1[13];
char mac2[13];
char mac3[13];

// Format MAC Address as string
sprintf(mac1, "%02x%02x%02x%02x%02x%02x", hdr -> addr1[0], hdr -> addr1[1], hdr -> addr1[2], hdr -> addr1[3], hdr -> addr1[4], hdr -> addr1[5]);
sprintf(mac2, "%02x%02x%02x%02x%02x%02x", hdr -> addr2[0], hdr -> addr2[1], hdr -> addr2[2], hdr -> addr2[3], hdr -> addr2[4], hdr -> addr2[5]);
sprintf(mac3, "%02x%02x%02x%02x%02x%02x", hdr -> addr3[0], hdr -> addr3[1], hdr -> addr3[2], hdr -> addr3[3], hdr -> addr3[4], hdr -> addr3[5]);

char * macs[] = {
mac1,
mac2,
mac3
};

// Serial.println(mac1);
// Serial.println(mac2);
// Serial.println(mac3);

// For all MACs
for (int macIndex = 0; macIndex <= 2; macIndex++) {
// Except ffffffffffff
if (!(strcmp("ffffffffffff", macs[macIndex]) == 0)) {
int added = 0;

// Checks if the MAC address has been seen before
for (int i = 0; i <= 2047; i++) {
if (strcmp(macs[macIndex], maclist[i][0].c_str()) == 0) {
maclist[i][1] = defaultTTL;
if (maclist[i][2] == "OFFLINE") {
maclist[i][2] = "0";
}
added = 1;
}
}

if (added == 0) {
maclist[listcount][0] = macs[macIndex];
maclist[listcount][1] = defaultTTL;
listcount++;
if (listcount >= 2047) {
Serial.println("Too many addresses");
listcount = 0;
}
}
}
}

}

//===== SETUP =====//
void setup() {
/* start Serial */
Serial.begin(115200);

/* setup wifi */
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
esp_wifi_init( & cfg);
esp_wifi_set_storage(WIFI_STORAGE_RAM);
esp_wifi_set_mode(WIFI_MODE_NULL);
esp_wifi_start();
esp_wifi_set_promiscuous(true);
esp_wifi_set_promiscuous_filter( & filt);
esp_wifi_set_promiscuous_rx_cb( & sniffer);
esp_wifi_set_channel(curChannel, WIFI_SECOND_CHAN_NONE);
}

void purge() { // This manges the TTL
for (int i = 0; i <= 2047; i++) {
if (!(maclist[i][0] == "")) {
int ttl = (maclist[i][1].toInt());
ttl--;
if (ttl <= 0) {
maclist[i][2] = "OFFLINE";
maclist[i][1] = defaultTTL;
} else {
maclist[i][1] = String(ttl);
}
}
}
}

// This updates the time the device has been online for and returns a count of live devices
int updatetime() {
int liveCount = 0;
for (int i = 0; i <= 2047; i++) {
if (!(maclist[i][0] == "")) {
if (maclist[i][2] == "") maclist[i][2] = "0";
if (!(maclist[i][2] == "OFFLINE")) {
int timehere = (maclist[i][2].toInt());
timehere++;
maclist[i][2] = String(timehere);
liveCount++;
}

Serial.println(maclist[i][0] + " : " + maclist[i][2]);
}
}
return liveCount;
}

void loop() {
if (curChannel > maxCh) {
curChannel = 1;
}
esp_wifi_set_channel(curChannel, WIFI_SECOND_CHAN_NONE);
delay(1000);
sayNumber(updatetime());
Serial.println();
purge();
curChannel++;
}

/* Say any number between -999,999 and 999,999 */
void sayNumber(long n) {
if (n < 0) {
voice.say(sp2_MINUS);
sayNumber(-n);
} else if (n == 0) {
voice.say(sp2_ZERO);
} else {
if (n >= 1000) {
int thousands = n / 1000;
sayNumber(thousands);
voice.say(sp2_THOUSAND);
n %= 1000;
if ((n > 0) && (n < 100))
voice.say(sp2_AND);
}
if (n >= 100) {
int hundreds = n / 100;
sayNumber(hundreds);
voice.say(sp2_HUNDRED);
n %= 100;
if (n > 0)
voice.say(sp2_AND);
}
if (n > 19) {
int tens = n / 10;
switch (tens) {
case 2:
voice.say(sp2_TWENTY);
break;
case 3:
voice.say(sp2_THIR_);
voice.say(sp2_T);
break;
case 4:
voice.say(sp2_FOUR);
voice.say(sp2_T);
break;
case 5:
voice.say(sp2_FIF_);
voice.say(sp2_T);
break;
case 6:
voice.say(sp2_SIX);
voice.say(sp2_T);
break;
case 7:
voice.say(sp2_SEVEN);
voice.say(sp2_T);
break;
case 8:
voice.say(sp2_EIGHT);
voice.say(sp2_T);
break;
case 9:
voice.say(sp2_NINE);
voice.say(sp2_T);
break;
}
n %= 10;
}
switch (n) {
case 1:
voice.say(sp2_ONE);
break;
case 2:
voice.say(sp2_TWO);
break;
case 3:
voice.say(sp2_THREE);
break;
case 4:
voice.say(sp2_FOUR);
break;
case 5:
voice.say(sp2_FIVE);
break;
case 6:
voice.say(sp2_SIX);
break;
case 7:
voice.say(sp2_SEVEN);
break;
case 8:
voice.say(sp2_EIGHT);
break;
case 9:
voice.say(sp2_NINE);
break;
case 10:
voice.say(sp2_TEN);
break;
case 11:
voice.say(sp2_ELEVEN);
break;
case 12:
voice.say(sp2_TWELVE);
break;
case 13:
voice.say(sp2_THIR_);
voice.say(sp2__TEEN);
break;
case 14:
voice.say(sp2_FOUR);
voice.say(sp2__TEEN);
break;
case 15:
voice.say(sp2_FIF_);
voice.say(sp2__TEEN);
break;
case 16:
voice.say(sp2_SIX);
voice.say(sp2__TEEN);
break;
case 17:
voice.say(sp2_SEVEN);
voice.say(sp2__TEEN);
break;
case 18:
voice.say(sp2_EIGHT);
voice.say(sp2__TEEN);
break;
case 19:
voice.say(sp2_NINE);
voice.say(sp2__TEEN);
break;
}
}
}

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