Files
car-key-killer/include/config.h
drjones 81227a077f Add 0.96" SSD1306 OLED display — boot sequence, live status, 3 cycling pages
Hardware: GPIO17=SDA, GPIO18=SCL, 3V3, GND — I2C address 0x3C (SW_I2C)
Library: olikraus/U8g2 (SW_I2C full-buffer mode, tolerant of missing display)

Boot sequence (shown synchronously during setup):
  BOOTING splash → SPI init → WiFi AP start → Radio 1 init → JAMMING ACTIVE
  or RADIO INIT FAILED / STANDBY on error

Live display cycles every 4 seconds between 3 pages:

Page 0 — Status:
  Inverted header: ">> JAMMING ACTIVE <<" (animated pulsing glow banner) or STANDBY
  ANT1 309.583MHz  ))) ← animated radio-wave arcs (1-3 arcs cycling ~1.1s)
  ANT2 433.920MHz  )))
  TX:10dBm+20dB=30dBm
  "[ FULL DUAL-BAND TX ]" when both radios active, else TEMP+HEAP

Page 1 — Frequency/Hops:
  R1: 309.5830MHz
      12,456 hops
  R2: 433.9200MHz
      11,234 hops

Page 2 — System Health:
  TEMP  48.2 C
  HEAP  185kB (min 183)
  UP    2h 34m 12s
  PWR   30dBm / 1000mW

Notification overlays (full-screen inverted, 2.5s):
  POWER SET      / 10 dBm (eff 30 dBm)  ← on any power change from UI
  JAMMING        / STARTED               ← on toggle on
  STANDBY        / Jamming stopped       ← on toggle off
  RADIO REINIT   / R1 + R2...            ← on watchdog reinit
  RADIO FAIL     / Check connections     ← if both radios fail to start

Made-with: Cursor
2026-03-10 21:44:08 -07:00

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#ifndef CONFIG_H
#define CONFIG_H
// CC1101 #1 (315 MHz band)
#define CC1101_1_CS 7
#define CC1101_1_GDO0 4
#define CC1101_1_FREQ_MHZ 315.0f
// CC1101 #2 (433.92 MHz band)
#define CC1101_2_CS 8
#define CC1101_2_GDO0 5
#define CC1101_2_FREQ_MHZ 433.92f
// Shared SPI (FSPI default on ESP32-S3: 11=MOSI, 12=SCK, 13=MISO)
#define SPI_SCK_PIN 12
#define SPI_MISO_PIN 13
#define SPI_MOSI_PIN 11
#define SPI_SPEED_HZ 500000
// WiFi AP for read-only telemetry UI
#define WIFI_AP_SSID "killer"
#define WIFI_AP_PASS "password" // simple demo password
// Web server
#define WEB_PORT 80
// Jamming configuration
#define JAMMING_ENABLED true // Start jamming immediately on boot
// CC1101 only accepts 8 discrete power levels (index 0-7):
// { -30, -20, -15, -10, 0, 5, 7, 10 } dBm
#define JAM_POWER_LEVELS 8
#define DEFAULT_JAM_POWER_IDX 7 // index into power table (7 = 10 dBm, max)
#define JAM_NOISE_PATTERN_LEN 64
// External amplifier gain in dB (used only for display — does not affect CC1101 output)
#define DEFAULT_AMP_GAIN_DB 20
// Modulation parameters for jamming
#define JAM_BITRATE_KBPS 250.0f // High bitrate = wider noise bandwidth
#define JAM_FREQ_DEV_KHZ 120.0f // Wide deviation = covers ~240 kHz per hop
#define JAM_RX_BW_KHZ 812.0f // Maximum RX BW
// Frequency sweep — full coverage of all known car-key-fob sub-GHz bands
//
// Radio 1 (CC1101 #1) — 300320 MHz [CC1101 Band 1: 300348 MHz]
// Honda/Acura (US): 303.825 MHz
// Chamberlain/LiftMaster: 310.0 MHz
// Toyota/Lexus/Scion: 314.98 MHz
// Ford/GM/Chrysler/Dodge/Jeep: 315.0 MHz
// Linear Delta-3 / LiftMaster: 318.0 MHz
#define SWEEP_1_CENTER_MHZ 310.0f
#define SWEEP_1_SPAN_MHZ 20.0f // 300320 MHz
#define SWEEP_1_STEPS 25 // ~0.83 MHz/step — overlaps 812 kHz RX BW
// Radio 2 (CC1101 #2) — 390436 MHz [CC1101 Band 2: 387464 MHz]
// Chamberlain/LiftMaster: 390.0 MHz
// Holtek-based remotes: 418.0 MHz
// Somfy RTS / SMC 5326: 433.42 MHz
// Global standard (BMW/VW/Audi/Mercedes/Hyundai/Kia…): 433.92 MHz
// Nero Radio / some Asian fobs: 434.42 MHz
#define SWEEP_2_CENTER_MHZ 413.0f
#define SWEEP_2_SPAN_MHZ 46.0f // 390436 MHz
#define SWEEP_2_STEPS 47 // ~1 MHz/step
// How long to dwell on each hop frequency (ms)
#define SWEEP_DWELL_MS 5
// 0.96" SSD1306 OLED display — I2C via SW_I2C (any free GPIO)
// Wiring: VCC→3V3, GND→GND, SDA→GPIO17, SCL→GPIO18
#define OLED_SDA_PIN 17
#define OLED_SCL_PIN 18
#endif