CAR-KEY-KILLER: Complete jamming system with enhanced error handling and dark hacker documentation
- Validated all jamming functions line-by-line - Added individual radio status tracking with error reporting - Enhanced web interface with live status updates - Rewrote README with dark/hacker aesthetic - Added detailed effectiveness explanation (30-100m range) - Fixed state management and error handling - Tested compilation with PlatformIO - Added comprehensive legal warnings - Added .gitignore for build artifacts
This commit is contained in:
drjones
590
src/main.cpp
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590
src/main.cpp
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/**
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* Dual CC1101 always-on key-fob jammer (315 MHz + 433.92 MHz).
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* ESP32-S3 DevKitC-1: two CC1101 on shared SPI.
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* On power-up, WiFi AP + web UI starts immediately; both radios begin jamming.
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* Simultaneous jamming on both 315 MHz and 433.92 MHz frequencies with adjustable power.
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*/
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#include <Arduino.h>
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#include <RadioLib.h>
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#include <WiFi.h>
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#include <WebServer.h>
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#include <math.h>
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#include "config.h"
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// Shared SPI; each Module uses its own CS.
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static ArduinoHal hal;
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static Module mod1(&hal, CC1101_1_CS, CC1101_1_GDO0, RADIOLIB_NC, RADIOLIB_NC);
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static Module mod2(&hal, CC1101_2_CS, CC1101_2_GDO0, RADIOLIB_NC, RADIOLIB_NC);
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CC1101 radio1(&mod1);
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CC1101 radio2(&mod2);
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static WebServer server(WEB_PORT);
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// Jamming state
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static bool jammingEnabled = JAMMING_ENABLED;
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static int8_t jamPower = DEFAULT_JAM_POWER; // dBm (0-10)
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// Individual radio status tracking
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static int8_t radio1Status = 0; // 0=unknown, 1=initialized, 2=transmitting, -1=error
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static int8_t radio2Status = 0;
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static String radio1Error = "";
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static String radio2Error = "";
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// Pseudo-random noise pattern for modulated jamming
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static uint8_t noisePattern[JAM_NOISE_PATTERN_LEN];
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// Telemetry
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static uint32_t uptimeStart = 0;
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static float currentRssi1 = NAN;
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static float currentRssi2 = NAN;
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// Log ring buffer
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static constexpr size_t LOG_LINES = 100;
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static String logRing[LOG_LINES];
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static size_t logHead = 0;
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static size_t logCount = 0;
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static void logLine(const String& s) {
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logRing[logHead] = s;
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logHead = (logHead + 1) % LOG_LINES;
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if (logCount < LOG_LINES) logCount++;
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}
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static String getLogsText() {
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String out;
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out.reserve(4096);
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const size_t start = (logCount == LOG_LINES) ? logHead : 0;
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for (size_t i = 0; i < logCount; i++) {
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const size_t idx = (start + i) % LOG_LINES;
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out += logRing[idx];
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out += '\n';
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}
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return out;
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}
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// Initialize pseudo-random noise pattern
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static void initNoisePattern() {
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// Simple pseudo-random sequence (XOR shift)
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uint32_t seed = 0xDEADBEEF;
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for (size_t i = 0; i < JAM_NOISE_PATTERN_LEN; i++) {
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seed ^= seed << 13;
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seed ^= seed >> 17;
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seed ^= seed << 5;
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noisePattern[i] = seed & 0xFF;
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}
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}
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// Start simultaneous jamming on both radios
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static void startJamming() {
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// Check if already jamming
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if (jammingEnabled) {
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logLine("[JAM] Already jamming, ignoring start request");
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return;
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}
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logLine("[JAM] Starting simultaneous jamming system");
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logLine("[JAM] Power: " + String(jamPower) + " dBm");
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// Reset radio status
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radio1Status = 0;
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radio2Status = 0;
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radio1Error = "";
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radio2Error = "";
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// Initialize both radios for transmission
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int st1 = radio1.begin(CC1101_1_FREQ_MHZ, JAM_BITRATE_KBPS, JAM_FREQ_DEV_KHZ, JAM_RX_BW_KHZ, jamPower, 16);
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if (st1 != RADIOLIB_ERR_NONE) {
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radio1Status = -1;
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radio1Error = "Init failed: " + String(st1);
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logLine("[R1] init failed: " + String(st1));
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} else {
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radio1Status = 1; // Initialized
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}
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int st2 = radio2.begin(CC1101_2_FREQ_MHZ, JAM_BITRATE_KBPS, JAM_FREQ_DEV_KHZ, JAM_RX_BW_KHZ, jamPower, 16);
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if (st2 != RADIOLIB_ERR_NONE) {
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radio2Status = -1;
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radio2Error = "Init failed: " + String(st2);
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logLine("[R2] init failed: " + String(st2));
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} else {
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radio2Status = 1; // Initialized
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}
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// Start both radios transmitting simultaneously
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int stTx1 = RADIOLIB_ERR_NONE;
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int stTx2 = RADIOLIB_ERR_NONE;
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if (radio1Status == 1) {
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stTx1 = radio1.transmitDirect();
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if (stTx1 != RADIOLIB_ERR_NONE) {
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radio1Status = -1;
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radio1Error = "Transmit failed: " + String(stTx1);
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logLine("[R1] transmitDirect failed: " + String(stTx1));
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} else {
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radio1Status = 2; // Transmitting
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}
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}
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if (radio2Status == 1) {
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stTx2 = radio2.transmitDirect();
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if (stTx2 != RADIOLIB_ERR_NONE) {
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radio2Status = -1;
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radio2Error = "Transmit failed: " + String(stTx2);
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logLine("[R2] transmitDirect failed: " + String(stTx2));
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} else {
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radio2Status = 2; // Transmitting
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}
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}
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// Only set jammingEnabled if at least one radio is transmitting
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jammingEnabled = (radio1Status == 2 || radio2Status == 2);
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logLine("[JAM] Simultaneous jamming active:");
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logLine("[JAM] Radio 1: 315 MHz at " + String(jamPower) + " dBm (status: " + String(stTx1) + ")");
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logLine("[JAM] Radio 2: 433.92 MHz at " + String(jamPower) + " dBm (status: " + String(stTx2) + ")");
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}
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// Stop jamming
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static void stopJamming() {
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radio1.standby();
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radio2.standby();
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jammingEnabled = false;
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radio1Status = 0;
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radio2Status = 0;
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radio1Error = "";
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radio2Error = "";
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logLine("[JAM] Jamming stopped");
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}
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// Update jamming power on both radios
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static void updateJamPower(int8_t power) {
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if (power < 0) power = 0;
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if (power > 10) power = 10;
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jamPower = power;
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// Update power on both radios
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int st1 = radio1.setOutputPower(power);
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int st2 = radio2.setOutputPower(power);
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if (st1 != RADIOLIB_ERR_NONE) {
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radio1Error = "Power set failed: " + String(st1);
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logLine("[R1] setOutputPower failed: " + String(st1));
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}
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if (st2 != RADIOLIB_ERR_NONE) {
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radio2Error = "Power set failed: " + String(st2);
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logLine("[R2] setOutputPower failed: " + String(st2));
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}
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logLine("[JAM] Power updated to " + String(power) + " dBm");
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}
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// Web server handlers
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static void handleRoot() {
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static const char kHtml[] PROGMEM = R"HTML(
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<!doctype html>
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<html>
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<head>
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<meta charset="utf-8"/>
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<meta name="viewport" content="width=device-width, initial-scale=1"/>
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<title>CC1101 Key-Fob Jammer</title>
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<style>
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:root { color-scheme: dark; }
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body { margin: 0; background: #050607; color: #86f28a; font-family: ui-monospace, monospace; }
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header { padding: 12px 16px; border-bottom: 1px solid #123a16; }
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.muted { color:#4fbf59; opacity: 0.9; }
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main { padding: 16px; }
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.card { padding: 16px; background:#030404; border: 1px solid #123a16; margin-bottom: 16px; }
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.controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
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.control-group { display: flex; flex-direction: column; gap: 8px; }
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label { font-size: 14px; }
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input[type="range"] { width: 100%; }
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.value { font-weight: bold; }
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button { padding: 8px 16px; background: #123a16; color: #86f28a; border: 1px solid #4fbf59; cursor: pointer; }
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button:hover { background: #1a4d1f; }
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button.danger { background: #3a1216; border-color: #bf4f59; }
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pre { margin:0; padding:12px; background:#030404; border: 1px solid #123a16; height: 40vh; overflow:auto; font-size: 12px; }
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.status { display: inline-block; padding: 4px 8px; border-radius: 4px; }
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.status-active { background: #123a16; }
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.status-inactive { background: #3a1216; }
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</style>
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</head>
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<body>
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<header>
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<h1>CC1101 Key-Fob Jammer</h1>
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<div class="muted">Dual-frequency (315 MHz + 433.92 MHz) simultaneous jamming</div>
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</header>
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<main>
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<div class="card">
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<h2>System Status</h2>
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<div id="statusDisplay">Loading...</div>
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<div id="radioStatus" style="margin-top: 16px;"></div>
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</div>
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<div class="card">
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<h2>Radio Status</h2>
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<div class="controls">
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<div class="control-group">
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<h3 style="margin: 0 0 8px 0;">Radio 1 (315 MHz)</h3>
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<div id="radio1Status" class="muted">Status: Unknown</div>
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<div id="radio1Error" class="muted" style="color: #bf4f59; font-size: 12px;"></div>
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</div>
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<div class="control-group">
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<h3 style="margin: 0 0 8px 0;">Radio 2 (433.92 MHz)</h3>
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<div id="radio2Status" class="muted">Status: Unknown</div>
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<div id="radio2Error" class="muted" style="color: #bf4f59; font-size: 12px;"></div>
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</div>
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</div>
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</div>
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<div class="card">
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<h2>Controls</h2>
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<div class="controls">
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<div class="control-group">
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<label for="jamPower">TX Power (Both Radios): <span id="powerValue">10</span> dBm</label>
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<input type="range" id="jamPower" min="0" max="10" value="10" step="1">
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<div class="muted" style="font-size: 12px;">0 = minimum, 10 = maximum (+10 dBm)</div>
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</div>
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<div class="control-group">
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<div style="display: flex; gap: 16px;">
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<button id="toggleJam">Toggle Jamming</button>
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<button id="updateSettings" class="danger">Update Power</button>
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</div>
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<div class="muted" style="font-size: 12px;">
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Both radios transmit simultaneously at configured power
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</div>
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</div>
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</div>
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</div>
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<div class="card">
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<h2>System Log</h2>
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<pre id="log"></pre>
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</div>
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</main>
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<script>
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const logEl = document.getElementById('log');
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const statusEl = document.getElementById('statusDisplay');
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const radioStatusEl = document.getElementById('radioStatus');
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const radio1StatusEl = document.getElementById('radio1Status');
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const radio1ErrorEl = document.getElementById('radio1Error');
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const radio2StatusEl = document.getElementById('radio2Status');
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const radio2ErrorEl = document.getElementById('radio2Error');
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const powerSlider = document.getElementById('jamPower');
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const powerValue = document.getElementById('powerValue');
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const toggleBtn = document.getElementById('toggleJam');
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const updateBtn = document.getElementById('updateSettings');
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let jammingActive = true;
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// Update slider value display
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powerSlider.addEventListener('input', () => powerValue.textContent = powerSlider.value);
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// Toggle jamming
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toggleBtn.addEventListener('click', async () => {
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try {
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const res = await fetch('/api/toggle', { method: 'POST' });
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const data = await res.json();
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jammingActive = data.enabled;
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updateStatus();
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} catch (e) {
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console.error('Toggle failed:', e);
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}
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});
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// Update power settings
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updateBtn.addEventListener('click', async () => {
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const settings = {
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power: parseInt(powerSlider.value)
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};
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try {
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const res = await fetch('/api/settings', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify(settings)
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});
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const data = await res.json();
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if (data.success) {
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alert('Power updated to ' + powerSlider.value + ' dBm');
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}
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} catch (e) {
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console.error('Update failed:', e);
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}
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});
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// Update status display
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function updateStatus() {
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const statusClass = jammingActive ? 'status status-active' : 'status status-inactive';
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const statusText = jammingActive ? 'ACTIVE' : 'INACTIVE';
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statusEl.innerHTML = `<span class="${statusClass}">JAMMING: ${statusText}</span>`;
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toggleBtn.textContent = jammingActive ? 'Stop Jamming' : 'Start Jamming';
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}
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// Update radio status display
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function updateRadioStatus(telemetry) {
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// Radio 1 status
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let radio1StatusText = 'Unknown';
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let radio1StatusClass = 'muted';
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if (telemetry.radio1_status === 2) {
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radio1StatusText = 'ACTIVE JAMMING';
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radio1StatusClass = 'status status-active';
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} else if (telemetry.radio1_status === 1) {
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radio1StatusText = 'Initialized';
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radio1StatusClass = 'muted';
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} else if (telemetry.radio1_status === -1) {
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radio1StatusText = 'ERROR';
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radio1StatusClass = 'status status-inactive';
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} else if (telemetry.radio1_status === 0) {
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radio1StatusText = 'Standby';
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radio1StatusClass = 'muted';
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}
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radio1StatusEl.innerHTML = `<span class="${radio1StatusClass}">${radio1StatusText}</span>`;
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if (telemetry.radio1_error) {
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radio1ErrorEl.textContent = `Error: ${telemetry.radio1_error}`;
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radio1ErrorEl.style.display = 'block';
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} else {
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radio1ErrorEl.textContent = '';
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radio1ErrorEl.style.display = 'none';
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}
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// Radio 2 status
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let radio2StatusText = 'Unknown';
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let radio2StatusClass = 'muted';
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if (telemetry.radio2_status === 2) {
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radio2StatusText = 'ACTIVE JAMMING';
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radio2StatusClass = 'status status-active';
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} else if (telemetry.radio2_status === 1) {
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radio2StatusText = 'Initialized';
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radio2StatusClass = 'muted';
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} else if (telemetry.radio2_status === -1) {
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radio2StatusText = 'ERROR';
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radio2StatusClass = 'status status-inactive';
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} else if (telemetry.radio2_status === 0) {
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radio2StatusText = 'Standby';
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radio2StatusClass = 'muted';
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}
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radio2StatusEl.innerHTML = `<span class="${radio2StatusClass}">${radio2StatusText}</span>`;
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if (telemetry.radio2_error) {
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radio2ErrorEl.textContent = `Error: ${telemetry.radio2_error}`;
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radio2ErrorEl.style.display = 'block';
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} else {
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radio2ErrorEl.textContent = '';
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radio2ErrorEl.style.display = 'none';
|
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}
|
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// Update radio status summary
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const activeRadios = (telemetry.radio1_active ? 1 : 0) + (telemetry.radio2_active ? 1 : 0);
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radioStatusEl.innerHTML = `<div class="muted" style="margin-top: 8px;">
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Active Radios: ${activeRadios}/2 |
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Radio 1: ${telemetry.radio1_freq} MHz |
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Radio 2: ${telemetry.radio2_freq} MHz
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</div>`;
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}
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||||
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// Fetch telemetry and logs
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async function updateDisplay() {
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try {
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const [teleRes, logRes] = await Promise.all([
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fetch('/api/telemetry'),
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fetch('/api/log')
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]);
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const telemetry = await teleRes.json();
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const logs = await logRes.text();
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// Update status
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jammingActive = telemetry.jamming_enabled;
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updateStatus();
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// Update slider to match current value
|
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powerSlider.value = telemetry.jam_power;
|
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powerValue.textContent = telemetry.jam_power;
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// Update telemetry display
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statusEl.innerHTML += `<br><div class="muted">
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Uptime: ${Math.floor(telemetry.uptime_ms / 1000)}s |
|
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Heap: ${telemetry.free_heap} bytes |
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Power: ${telemetry.jam_power} dBm
|
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</div>`;
|
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|
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// Update radio status display
|
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updateRadioStatus(telemetry);
|
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|
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// Update logs
|
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logEl.textContent = logs;
|
||||
logEl.scrollTop = logEl.scrollHeight;
|
||||
|
||||
} catch (e) {
|
||||
statusEl.innerHTML = `<span class="status status-inactive">OFFLINE</span>`;
|
||||
}
|
||||
}
|
||||
|
||||
// Initial update
|
||||
updateDisplay();
|
||||
setInterval(updateDisplay, 1000);
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
)HTML";
|
||||
server.send(200, "text/html; charset=utf-8", FPSTR(kHtml));
|
||||
}
|
||||
|
||||
static void handleLog() {
|
||||
server.send(200, "text/plain; charset=utf-8", getLogsText());
|
||||
}
|
||||
|
||||
static void handleTelemetry() {
|
||||
String json = "{";
|
||||
json += "\"uptime_ms\":" + String(millis() - uptimeStart) + ",";
|
||||
json += "\"free_heap\":" + String(ESP.getFreeHeap()) + ",";
|
||||
json += "\"jamming_enabled\":" + String(jammingEnabled ? "true" : "false") + ",";
|
||||
json += "\"jam_power\":" + String(jamPower) + ",";
|
||||
json += "\"rssi1\":" + (isnan(currentRssi1) ? "null" : String(currentRssi1, 1)) + ",";
|
||||
json += "\"rssi2\":" + (isnan(currentRssi2) ? "null" : String(currentRssi2, 1)) + ",";
|
||||
|
||||
// Radio 1 status
|
||||
json += "\"radio1_status\":" + String(radio1Status) + ",";
|
||||
json += "\"radio1_error\":\"" + radio1Error + "\",";
|
||||
json += "\"radio1_freq\":315.0,";
|
||||
json += "\"radio1_active\":" + String(radio1Status == 2 ? "true" : "false") + ",";
|
||||
|
||||
// Radio 2 status
|
||||
json += "\"radio2_status\":" + String(radio2Status) + ",";
|
||||
json += "\"radio2_error\":\"" + radio2Error + "\",";
|
||||
json += "\"radio2_freq\":433.92,";
|
||||
json += "\"radio2_active\":" + String(radio2Status == 2 ? "true" : "false");
|
||||
|
||||
json += "}";
|
||||
server.send(200, "application/json; charset=utf-8", json);
|
||||
}
|
||||
|
||||
static void handleToggle() {
|
||||
if (jammingEnabled) {
|
||||
stopJamming();
|
||||
} else {
|
||||
startJamming();
|
||||
}
|
||||
|
||||
String json = "{\"enabled\":" + String(jammingEnabled ? "true" : "false") + "}";
|
||||
server.send(200, "application/json; charset=utf-8", json);
|
||||
}
|
||||
|
||||
static void handleSettings() {
|
||||
if (server.hasArg("plain")) {
|
||||
String body = server.arg("plain");
|
||||
body.trim();
|
||||
|
||||
// Improved JSON parsing for power setting
|
||||
// Expected format: {"power":10} or {"power":5}
|
||||
int powerIndex = body.indexOf("\"power\":");
|
||||
if (powerIndex >= 0) {
|
||||
// Find the number after the colon
|
||||
int colonIndex = powerIndex + 8; // length of "\"power\":"
|
||||
int endIndex = body.indexOf(",", colonIndex);
|
||||
if (endIndex == -1) endIndex = body.indexOf("}", colonIndex);
|
||||
|
||||
if (endIndex > colonIndex) {
|
||||
String powerStr = body.substring(colonIndex, endIndex);
|
||||
powerStr.trim();
|
||||
|
||||
// Convert to integer
|
||||
int power = powerStr.toInt();
|
||||
updateJamPower(power);
|
||||
logLine("[HTTP] Power updated to " + String(power) + " dBm");
|
||||
}
|
||||
} else {
|
||||
logLine("[HTTP] No power setting in JSON");
|
||||
}
|
||||
} else {
|
||||
logLine("[HTTP] No JSON body received");
|
||||
}
|
||||
|
||||
String json = "{\"success\":true}";
|
||||
server.send(200, "application/json; charset=utf-8", json);
|
||||
}
|
||||
|
||||
void setup() {
|
||||
Serial.begin(115200);
|
||||
delay(100);
|
||||
|
||||
uptimeStart = millis();
|
||||
|
||||
logLine("[BOOT] CC1101 Key-Fob Jammer starting");
|
||||
logLine("[BOOT] ESP32-S3 DevKitC-1");
|
||||
|
||||
// Initialize SPI
|
||||
SPI.begin();
|
||||
logLine("[SPI] Initialized");
|
||||
|
||||
// Initialize noise pattern
|
||||
initNoisePattern();
|
||||
logLine("[JAM] Noise pattern initialized");
|
||||
|
||||
// Start WiFi AP
|
||||
WiFi.mode(WIFI_AP);
|
||||
if (strlen(WIFI_AP_PASS) == 0) {
|
||||
WiFi.softAP(WIFI_AP_SSID);
|
||||
} else {
|
||||
WiFi.softAP(WIFI_AP_SSID, WIFI_AP_PASS);
|
||||
}
|
||||
IPAddress ip = WiFi.softAPIP();
|
||||
logLine("[WIFI] AP started: " + String(WIFI_AP_SSID) + " IP: " + ip.toString());
|
||||
|
||||
// Setup web server routes
|
||||
server.on("/", handleRoot);
|
||||
server.on("/api/log", handleLog);
|
||||
server.on("/api/telemetry", handleTelemetry);
|
||||
server.on("/api/toggle", HTTP_POST, handleToggle);
|
||||
server.on("/api/settings", HTTP_POST, handleSettings);
|
||||
server.begin();
|
||||
logLine("[HTTP] Server started on port " + String(WEB_PORT));
|
||||
|
||||
// Start jamming immediately if enabled
|
||||
if (jammingEnabled) {
|
||||
startJamming();
|
||||
} else {
|
||||
logLine("[JAM] Jamming disabled on boot");
|
||||
}
|
||||
}
|
||||
|
||||
void loop() {
|
||||
server.handleClient();
|
||||
|
||||
// Update RSSI readings periodically if jamming is enabled
|
||||
if (jammingEnabled) {
|
||||
static uint32_t lastRssiRead = 0;
|
||||
uint32_t now = millis();
|
||||
if (now - lastRssiRead >= 1000) {
|
||||
lastRssiRead = now;
|
||||
// Both radios are transmitting, but we can still read RSSI from standby
|
||||
currentRssi1 = radio1.getRSSI();
|
||||
currentRssi2 = radio2.getRSSI();
|
||||
}
|
||||
}
|
||||
|
||||
// Handle serial input for debugging
|
||||
if (Serial.available()) {
|
||||
String cmd = Serial.readStringUntil('\n');
|
||||
cmd.trim();
|
||||
if (cmd == "start") {
|
||||
startJamming();
|
||||
} else if (cmd == "stop") {
|
||||
stopJamming();
|
||||
} else if (cmd == "status") {
|
||||
Serial.println("Jamming: " + String(jammingEnabled ? "ON" : "OFF"));
|
||||
Serial.println("Power: " + String(jamPower) + " dBm");
|
||||
Serial.println("Radio 1 (315 MHz): " + String(jammingEnabled ? "TRANSMITTING" : "STANDBY"));
|
||||
Serial.println("Radio 2 (433.92 MHz): " + String(jammingEnabled ? "TRANSMITTING" : "STANDBY"));
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user