Hello!
i am using an ESP32-WROOM-32U dev module to make a packet monitor.
Here is the github repo:
Sketch file
Whenever i compile the code for the esp32, the compiler generated the following error:
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:48:36: error: 'system_event_t' has not been declared
48 | esp_err_t event_handler(void* ctx, system_event_t* event) {
| ^~~~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:48:36: error: 'system_event_t' has not been declared
48 | esp_err_t event_handler(void* ctx, system_event_t* event) {
| ^~~~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:66:1: error: reference to 'byte' is ambiguous
66 | byte palette_red[128], palette_green[128], palette_blue[128];
| ^~~~
In file included from C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:14:
c:\users\uzzam\appdata\local\arduino15\packages\esp32\tools\xtensa-esp32-elf-gcc\esp-12.2.0_20230208\xtensa-esp32-elf\include\c++\12.2.0\cstddef:69:14: note: candidates are: 'enum class std::byte'
69 | enum class byte : unsigned char {};
| ^~~~
In file included from C:\Users\uzzam\AppData\Local\Temp\arduino\sketches\537DCA36E8C396428D8F90FEAF9C9435\sketch\sketch_nov8a.ino.cpp:1:
C:\Users\uzzam\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.0.0-alpha2\cores\esp32/Arduino.h:145:17: note: 'typedef uint8_t byte'
145 | typedef uint8_t byte;
| ^~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino: In function 'void setup()':
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:158:5: error: 'palette_red' was not declared in this scope
158 | palette_red[i] = i / 2;
| ^~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:159:5: error: 'palette_green' was not declared in this scope
159 | palette_green[i] = 0;
| ^~~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:160:5: error: 'palette_blue' was not declared in this scope
160 | palette_blue[i] = i;
| ^~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:163:5: error: 'palette_red' was not declared in this scope
163 | palette_red[i] = i / 2;
| ^~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:164:5: error: 'palette_green' was not declared in this scope
164 | palette_green[i] = 0;
| ^~~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:165:5: error: 'palette_blue' was not declared in this scope
165 | palette_blue[i] = 63 - i;
| ^~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:168:5: error: 'palette_red' was not declared in this scope
168 | palette_red[i] = 31;
| ^~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:169:5: error: 'palette_green' was not declared in this scope
169 | palette_green[i] = (i - 64) * 2;
| ^~~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:170:5: error: 'palette_blue' was not declared in this scope
170 | palette_blue[i] = 0;
| ^~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:173:5: error: 'palette_red' was not declared in this scope
173 | palette_red[i] = 31;
| ^~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:174:5: error: 'palette_green' was not declared in this scope
174 | palette_green[i] = 63;
| ^~~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:175:5: error: 'palette_blue' was not declared in this scope
175 | palette_blue[i] = i - 96;
| ^~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:185:3: error: 'tcpip_adapter_init' was not declared in this scope
185 | tcpip_adapter_init();
| ^~~~~~~~~~~~~~~~~~
In file included from C:\Users\uzzam\AppData\Local\Arduino15\packages\esp32\tools\esp32-arduino-libs\idf-release_v5.1-6b1f40b9bf/esp32/include/esp_hw_support/include/esp_intr_alloc.h:11,
from C:\Users\uzzam\AppData\Local\Arduino15\packages\esp32\tools\esp32-arduino-libs\idf-release_v5.1-6b1f40b9bf/esp32/include/esp_hw_support/include/esp_cpu.h:20,
from C:\Users\uzzam\AppData\Local\Arduino15\packages\esp32\tools\esp32-arduino-libs\idf-release_v5.1-6b1f40b9bf/esp32/include/esp_hw_support/include/spinlock.h:11,
from C:\Users\uzzam\AppData\Local\Arduino15\packages\esp32\tools\esp32-arduino-libs\idf-release_v5.1-6b1f40b9bf/esp32/include/freertos/FreeRTOS-Kernel/portable/xtensa/include/freertos/portmacro.h:74,
from C:\Users\uzzam\AppData\Local\Arduino15\packages\esp32\tools\esp32-arduino-libs\idf-release_v5.1-6b1f40b9bf/esp32/include/freertos/FreeRTOS-Kernel/include/freertos/portable.h:59,
from C:\Users\uzzam\AppData\Local\Arduino15\packages\esp32\tools\esp32-arduino-libs\idf-release_v5.1-6b1f40b9bf/esp32/include/freertos/FreeRTOS-Kernel/include/freertos/FreeRTOS.h:71,
from C:\Users\uzzam\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.0.0-alpha2\cores\esp32/Arduino.h:33:
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:187:19: error: 'esp_event_loop_init' was not declared in this scope; did you mean 'esp_event_loop_run'?
187 | ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL));
| ^~~~~~~~~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Arduino15\packages\esp32\tools\esp32-arduino-libs\idf-release_v5.1-6b1f40b9bf/esp32/include/esp_common/include/esp_err.h:117:30: note: in definition of macro 'ESP_ERROR_CHECK'
117 | esp_err_t err_rc_ = (x); \
| ^
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino: In function 'void do_sampling_FFT()':
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:279:28: error: 'palette_red' was not declared in this scope
279 | unsigned int color = palette_red[k] << 11 | palette_green[k] << 5 | palette_blue[k];
| ^~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:279:51: error: 'palette_green' was not declared in this scope
279 | unsigned int color = palette_red[k] << 11 | palette_green[k] << 5 | palette_blue[k];
| ^~~~~~~~~~~~~
C:\Users\uzzam\AppData\Local\Temp\.arduinoIDE-unsaved2023108-8724-tuo48h.ydo7j\sketch_nov8a\sketch_nov8a.ino:279:75: error: 'palette_blue' was not declared in this scope
279 | unsigned int color = palette_red[k] << 11 | palette_green[k] << 5 | palette_blue[k];
| ^~~~~~~~~~~~
exit status 1
Compilation error: 'system_event_t' has not been declared
for your reference, here is the code im using:
#include "arduinoFFT.h"
#include <Adafruit_GFX.h>
#include <Adafruit_ST7735.h>
#include <SPI.h>
#include "esp_wifi.h"
#include "esp_wifi_types.h"
#include "esp_system.h"
#include "esp_event.h"
#include "esp_event_loop.h"
#include "nvs_flash.h"
#include <stdio.h>
#include <string>
#include <cstddef>
#include <Wire.h>
#include <Preferences.h>
using namespace std;
#define TFT_CS 14
#define TFT_RST 33
#define TFT_DC 27
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);
#define TFT_SCLK 13
#define TFT_MOSI 11
arduinoFFT FFT = arduinoFFT();
#define MAX_CH 14
#define SNAP_LEN 2324
#define BUTTON_PIN 22
#define MAX_X 128
#define MAX_Y 51
const uint16_t GRAY = 303131;
const uint16_t BLUE = 0x001f;
const uint16_t RED = 0xf800;
const uint16_t GREEN = 0x07e0;
const uint16_t BLACK = 0;
const uint16_t YELLOW = RED + GREEN;
const uint16_t CYAN = GREEN + BLUE;
const uint16_t MAGENTA = RED + BLUE;
const uint16_t WHITE = RED + BLUE + GREEN;
esp_err_t event_handler(void* ctx, system_event_t* event) {
return ESP_OK;
}
Preferences preferences;
const int analogInputPin = 39;
const uint16_t samples = 256;
const double samplingFrequency = 5000;
double attenuation = 10;
unsigned int sampling_period_us;
unsigned long microseconds;
double vReal[samples];
double vImag[samples];
byte palette_red[128], palette_green[128], palette_blue[128];
bool useSD = false;
bool buttonPressed = false;
bool buttonEnabled = true;
uint32_t lastDrawTime;
uint32_t lastButtonTime;
uint32_t tmpPacketCounter;
uint32_t pkts[MAX_X]; // here the packets per second will be saved
uint32_t deauths = 0; // deauth frames per second
unsigned int ch = 1; // current 802.11 channel
int rssiSum;
unsigned int epoch = 0;
unsigned int color_cursor = 2016;
double getMultiplicator() {
uint32_t maxVal = 1;
for (int i = 0; i < MAX_X; i++) {
if (pkts[i] > maxVal) maxVal = pkts[i];
}
if (maxVal > MAX_Y) return (double)MAX_Y / (double)maxVal;
else return 1;
}
void setChannel(int newChannel) {
ch = newChannel;
if (ch > MAX_CH || ch < 1) ch = 1;
preferences.begin("packetmonitor32", false);
preferences.putUInt("channel", ch);
preferences.end();
esp_wifi_set_promiscuous(false);
esp_wifi_set_channel(ch, WIFI_SECOND_CHAN_NONE);
esp_wifi_set_promiscuous_rx_cb(&wifi_promiscuous);
esp_wifi_set_promiscuous(true);
}
void wifi_promiscuous(void* buf, wifi_promiscuous_pkt_type_t type) {
wifi_promiscuous_pkt_t* pkt = (wifi_promiscuous_pkt_t*)buf;
wifi_pkt_rx_ctrl_t ctrl = (wifi_pkt_rx_ctrl_t)pkt->rx_ctrl;
if (type == WIFI_PKT_MGMT && (pkt->payload[0] == 0xA0 || pkt->payload[0] == 0xC0 )) deauths++;
if (type == WIFI_PKT_MISC) return;
if (ctrl.sig_len > SNAP_LEN) return;
uint32_t packetLength = ctrl.sig_len;
if (type == WIFI_PKT_MGMT) packetLength -= 4;
//Serial.print(".");
tmpPacketCounter++;
rssiSum += ctrl.rssi;
}
void draw() {
double multiplicator = getMultiplicator();
int len;
int rssi;
if (pkts[MAX_X - 1] > 0) rssi = rssiSum / (int)pkts[MAX_X - 1];
else rssi = rssiSum;
}
void setup() {
Serial.begin(115200);
tft.initR(INITR_BLACKTAB);
tft.setRotation(0);
tft.fillScreen(ST7735_BLACK);
tft.setTextWrap(false);
tft.setCursor(10, 60);
tft.setTextColor(WHITE);
tft.setTextSize(1);
tft.println("WiFiBox by");
tft.setCursor(10, 70);
tft.setTextColor(WHITE);
tft.setTextSize(2);
tft.println("CiferTech");
tft.setCursor(45, 120);
tft.setTextColor(WHITE);
tft.setTextSize(1);
tft.println("v1.2.0");
delay(3000);
tft.fillScreen(ST7735_BLACK);
sampling_period_us = round(1000000*(1.0/samplingFrequency));
for (int i = 0; i < 32; i++) {
palette_red[i] = i / 2;
palette_green[i] = 0;
palette_blue[i] = i;
}
for (int i = 32; i < 64; i++) {
palette_red[i] = i / 2;
palette_green[i] = 0;
palette_blue[i] = 63 - i;
}
for (int i = 64; i < 96; i++) {
palette_red[i] = 31;
palette_green[i] = (i - 64) * 2;
palette_blue[i] = 0;
}
for (int i = 96; i < 128; i++) {
palette_red[i] = 31;
palette_green[i] = 63;
palette_blue[i] = i - 96;
}
sampling_period_us = round(1000000*(1.0/samplingFrequency));
preferences.begin("packetmonitor32", false);
ch = preferences.getUInt("channel", 1);
preferences.end();
nvs_flash_init();
tcpip_adapter_init();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL));
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
//ESP_ERROR_CHECK(esp_wifi_set_country(WIFI_COUNTRY_EU));
ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_RAM));
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_NULL));
ESP_ERROR_CHECK(esp_wifi_start());
esp_wifi_set_channel(ch, WIFI_SECOND_CHAN_NONE);
pinMode(BUTTON_PIN, INPUT_PULLUP);
esp_wifi_set_promiscuous_rx_cb(&wifi_promiscuous);
esp_wifi_set_promiscuous(true);
}
void loop() {
tft.drawPixel(epoch, 0, color_cursor);
do_sampling_FFT();
delay(10);
tft.drawPixel(epoch, 0, 0);
epoch++;
if (epoch >= tft.width())
epoch = 0;
if (digitalRead(BUTTON_PIN) == LOW) {
if (buttonEnabled) {
if (!buttonPressed) {
buttonPressed = true;
}
}
if (buttonPressed) {
setChannel(ch + 1);
}
buttonPressed = false;
buttonEnabled = true;
}
pkts[127] = tmpPacketCounter;
Serial.println((String)pkts[MAX_X - 1]);
tmpPacketCounter = 0;
deauths = 0;
rssiSum = 0;
if (Serial.available()) {
ch = Serial.readString().toInt();
if (ch < 1 || ch > 14) ch = 1;
setChannel(ch);
}
}
void do_sampling_FFT() {
microseconds = micros();
for(int i=0; i < samples; i++) {
vReal[i] = tmpPacketCounter*300;
vImag[i] = 1;
while(micros() - microseconds < sampling_period_us){
}
microseconds += sampling_period_us;
}
double mean = 0;
for (uint16_t i = 0; i < samples; i++)
mean += vReal[i];
mean /= samples;
for (uint16_t i = 0; i < samples; i++)
vReal[i] -= mean;
microseconds = micros();
FFT.Windowing(vReal, samples, FFT_WIN_TYP_HAMMING, FFT_FORWARD);
FFT.Compute(vReal, vImag, samples, FFT_FORWARD);
FFT.ComplexToMagnitude(vReal, vImag, samples);
unsigned int top_y = 155;
int max_k = 0;
for (int j = 0; j < samples >> 1; j++) {
int k = vReal[j] / attenuation;
if (k > max_k)
max_k = k;
if (k > 127) k = 127;
unsigned int color = palette_red[k] << 11 | palette_green[k] << 5 | palette_blue[k];
tft.drawPixel(epoch, top_y - j, color);
}
double tattenuation = max_k / 127.0;
if (tattenuation > attenuation)
attenuation = tattenuation;
tft.fillRect(0,0,128,10, ST7735_BLACK);
//tft.fillScreen(ST7735_BLACK);
tft.setTextWrap(false);
tft.setCursor(20, 2);
tft.setTextColor(ST7735_WHITE);
tft.setTextSize(1);
tft.print(ch);
tft.setCursor(2, 2);
tft.setTextColor(ST7735_WHITE);
tft.print("Ch:");
//tft.fillRect(50,0,15,15, ST7735_BLACK);
tft.setTextWrap(true);
tft.setCursor(80, 2);
tft.setTextColor(ST7735_WHITE);
tft.setTextSize(1);
tft.print(tmpPacketCounter);
tft.setCursor(50, 2);
tft.setTextColor(ST7735_WHITE);
tft.print("Pkts:");
delay(10);
}
These are my options:
Any help will be appreciated!