OpenAiways

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dev [2026/08/08 22:59] – external edit 127.0.0.1dev [2026/08/18 21:47] (current) – external edit 127.0.0.1
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 ===== Examples ===== ===== Examples =====
  
-Three small apps you can install on the car — good starting points that show how the pieces fit together. Each runs as system (''sharedUserId="android.uid.system"''), is platform-signed.+Four small apps you can install on the car — good starting points that show how the pieces fit together. Each runs as system (''sharedUserId="android.uid.system"''), is platform-signed.
  
 ^ App ^ What it does ^ Download ^ ^ App ^ What it does ^ Download ^
-| **OpenAiways Connect** | Automatically connects to a given Wi-Fi and enables ADB-over-Wi-Fi. | {{:openaiways_connect.apk|openaiways-connect.apk}} |+| **OpenAiways Connect** | Automatically connects to a given Wi-Fi and enables ADB-over-Wi-Fi. | [[https://codeberg.org/noonscoomo/openaiways/raw/branch/main/android-connect/openaiways-connect.apk|openaiways-connect.apk]] |
 | **OpenAiways Telemetry** | Reads CAN signals and publishes them to MQTT with Home Assistant auto-discovery. | {{:openaiways_telemetry.apk|openaiways-telemetry.apk}} | | **OpenAiways Telemetry** | Reads CAN signals and publishes them to MQTT with Home Assistant auto-discovery. | {{:openaiways_telemetry.apk|openaiways-telemetry.apk}} |
 | **OpenAiways Terminal** | A VT100 terminal with an advanced keyboard; runs as system, or as **root** if you press the **su** button . | {{:openaiways_terminal.apk|openaiways-terminal.apk}} | | **OpenAiways Terminal** | A VT100 terminal with an advanced keyboard; runs as system, or as **root** if you press the **su** button . | {{:openaiways_terminal.apk|openaiways-terminal.apk}} |
 +| **OpenAiways Speedwarning** | Shows the current speed limit on the driver panel and warns when you exceed it — fully offline, from an on-board map index. | {{:openaiways_speedwarning.apk|openaiways-speedwarning.apk}} |
  
 ==== Installing ==== ==== Installing ====
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 Add your Wi-Fi networks (SSID + password, as a priority list) and tick **ADB**. After boot it reconnects Wi-Fi and re-enables adb-over-Wi-Fi.  Add your Wi-Fi networks (SSID + password, as a priority list) and tick **ADB**. After boot it reconnects Wi-Fi and re-enables adb-over-Wi-Fi. 
 +
 +Source: https://codeberg.org/noonscoomo/openaiways/src/branch/main/android-connect
  
 ==== OpenAiways Telemetry ==== ==== OpenAiways Telemetry ====
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 {{:terminal_keyboard.png?600|OpenAiways Terminal — built-in US keyboard and root/su switch}} {{:terminal_keyboard.png?600|OpenAiways Terminal — built-in US keyboard and root/su switch}}
 +
 +==== OpenAiways Speedwarning ====
 +
 +Shows the current **speed limit** on the driver panel and blinks + beeps when you drive faster than it — fully **offline**, no cloud and no OEM data.
 +
 +**How it works:** live speed comes from the **CAN bus**, position from **GPS**. An on-board **HMM map-matcher** (Newson–Krumm style) fits the GPS track to the road //sequence// in an offline **OpenStreetMap** index — so it stays on the correct road under bridges, in tunnels (it coasts on CAN odometry until GPS re-acquires), and past parallel streets, then reads that road's limit (including time-dependent //"30 km/h 07–19h"// style zones). The sign renders on the reachable **driver panel** (see [[architecture]]).
 +
 +**The map index (required):** the app reads an offline road/speed index at ''/sdcard/region_route.sqlite''. A ready-made one:
 +
 +  * {{:region_route.sqlite|region_route.sqlite}} — **Berlin / Brandenburg** region (~34 MB; 144k roads, 129k with limits, 4,879 time-dependent zones, 311 tunnels; bbox lat 52.07–52.68, lng 12.67–14.74).
 +
 +For another area you build your own index from OpenStreetMap with the map-matcher pipeline (source to follow). Without an index the app runs but shows no limit.
 +
 +**Install:**
 +  - Sideload ''openaiways-speedwarning.apk'' and **open it once** (arms auto-start; it then runs on every boot).
 +  - Put the index on the unit as ''/sdcard/region_route.sqlite'' (e.g. ''adb push region_route.sqlite /sdcard/''), then tap **Restart service**. The status screen should read //Map DB: loaded//.
 +  - Drive — the limit shows on the driver panel and warns when you're over it.
 +
 +//It also records your drives to ''/sdcard/aiways_track.csv'' (size-capped, auto-rotated to ≤32 MB) to help improve the matcher.//
  
 ===== What you need to make your own software ===== ===== What you need to make your own software =====
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 Several of these apps declare **''sharedUserId="android.uid.system"''** and use ''signature''-level permissions, so they must be signed with the **platform key** — the key the device's own framework is signed with. Android only grants that system identity to an app whose signing certificate matches the platform's. Several of these apps declare **''sharedUserId="android.uid.system"''** and use ''signature''-level permissions, so they must be signed with the **platform key** — the key the device's own framework is signed with. Android only grants that system identity to an app whose signing certificate matches the platform's.
  
-**The head unit was never re-keyed.** It is a Freescale/NXP **i.MX6 Android BSP** build, and the OEM shipped it signed with the BSP's **public test key** instead of a private release key — so signing an app with that same public key is enough to run as system. The key is self-signed:+**The head unit was never re-keyed.** (at least for my 1.7.0 firmware) It is a Freescale/NXP **i.MX6 Android BSP** build, and the OEM shipped it signed with the BSP's **public test key** instead of a private release key — so signing an app with that same public key is enough to run as system. The key is self-signed:
  
   Subject : C=US, O=Android, CN=Android, emailAddress=android@freescale.com   Subject : C=US, O=Android, CN=Android, emailAddress=android@freescale.com
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 probe (it already binds ''ICanbusService'') — read or command any [[cansignals|key]] straight from adb. probe (it already binds ''ICanbusService'') — read or command any [[cansignals|key]] straight from adb.
 See **[[canbus#probing_signals_live|CAN bus → Probing signals live]]**. See **[[canbus#probing_signals_live|CAN bus → Probing signals live]]**.
 +
 +===== Also: the ESP32-S3 companion (separate hardware) =====
 +
 +Not a head-unit app — a standalone **ESP32-S3** you wire into the car, for people who don't want to (or can't) get onto the head unit at all. One board does four things at once:
 +
 +  * **Talks to the TBox over BLE** (BlueGate protocol) → **preconditioning** and **remote control** (lock/unlock/flash lights/trunk/windows).
 +  * **Reads a BLE OBD2 dongle** (ELM327) → SoC, HV voltage/current, cell voltages, temperatures; kept in flash so the last-known values survive when the car is off/unreachable.
 +  * **Publishes to MQTT with Home Assistant auto-discovery** — sensors plus Precondition/Lock/Unlock/Flash/Trunk controls appear automatically in HA.
 +  * **Runs a Wi-Fi hotspot + web dashboard** at the same time as the home-Wi-Fi/MQTT link, so you can control/monitor from a phone even with no home Wi-Fi nearby. Firmware updates go out **over Wi-Fi** after the first USB flash.
 +
 +A prebuilt image and a browser-based flasher (no toolchain needed) are on its own page:
 +
 +  https://codeberg.org/noonscoomo/openaiways/src/branch/main/esp32-companion
 +
 +//🤖 AI-assisted development — reviewed before trusting it on a real vehicle, same disclaimer as the apps above.//
  
dev.1786222789.txt.gz · Last modified: by 127.0.0.1