eddy/Project_SylDa
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Project_SylDa

ESP32-S3-PICO-1-N8R8 (Atom S3R Voice), 2 relais, 2 touch sensors (JR223B), BLE, Android app USB OTG.

Hardware

  • Board: Atom S3R Voice (ESP32-S3-PICO-1-N8R8), 16MB OPI flash
  • Pinnen: G1=RELAY1, G2=RELAY2, G8+pullup=TOUCH1, G6+pullup=TOUCH2, G41=BUTTON (active low), G46=LED
  • Touch: DC3-24V Capacitieve Touch Schakelaar JR223B (GEEN TTP223). Minder C op punt A = gevoeliger = meer false triggers.
  • BLE: "AtomS3R-Relay", service 4fafc201-1fb5-459e-8fcc-c5c9c331914b
  • BLE cmds: 0x00=relay1 OFF, 0x01=ON, 0x02=relay2 OFF, 0x03=ON, HMAC_PKT_SIZE=37 (1 cmd + 4 seq + 32 hmac)
  • NVS: namespace hmac, key key — HMAC key 32 bytes, NVS op 0x9000-0xDFFF (partitie tabel)

Workspace

/home/eddy/src/Project_SylDa/ — S3R firmware + Android app

Firmware — src/main.cpp

  • PlatformIO, platform = espressif32@6.7.0, board esp32-s3-devkitc-1
  • CDC USB serial (ARDUINO_USB_CDC_ON_BOOT=1), QIO OPI flash
  • Upload laptop: pio run -t upload, port /dev/ttyACM0, 115200 baud
  • NVS: namespace "hmac", key "key" (32 bytes HMAC)
  • BLE advertising "AtomS3R-Relay", HMAC-verified relay commands

Android app — android/

  • CDC key exchange (geen FTDI), 2 relay knoppen (touch-to-hold), byte commands
  • Key exchange: SettingsActivity via USB CDC (UsbSerialTransport)
  • Flash: EspFlasher via USB CDC, eraseFlash() VERWIJDERD (NVS blijft behouden)
  • Partitie layout flash: bootloader 0x0, partitions 0x8000, boot_app0 0xE000, firmware 0x10000
  • BLE scan: 30s timeout, auto-retry 3x, reconnect na disconnect
  • deviceId = UUID van ESP, hmacKey = HMAC key uit key exchange
  • Bestanden: MainActivity.kt, SettingsActivity.kt, EspFlasher.kt, UsbSerialTransport.kt, PrefsHelper.kt, UsbUtils.kt
  • Assets: firmware/bootloader.bin, partitions.bin, boot_app0.bin, firmware.bin

ADB — telefoon

adb connect 192.168.1.43:5555
adb -s 192.168.1.43:5555 install -r app/build/outputs/apk/debug/app-debug.apk