From ccd5b544508f2a1f84ad0883b1c6b2a38a81019a Mon Sep 17 00:00:00 2001 From: mikkeli Date: Fri, 9 Oct 2026 16:38:45 +0900 Subject: [PATCH] Record measured Z27AG CAN: 500 kbps, ungatewayed OBD port Co-Authored-By: Claude Opus 5.5 --- README.md | 2 +- docs/ROADMAP.md | 4 +++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 5731385..d051e35 100644 --- a/README.md +++ b/README.md @@ -34,7 +34,7 @@ Planned repositories and the reasoning behind the split are described in |---|---| | NVIDIA Jetson Orin Nano Super (`mikkeli-orin-nano`) | Car unit: main compute, JetPack r36.4 / Ubuntu 22.04 | | NVIDIA Jetson Orin Nano Super (`mikkeli-orin-nano-2`) | Development unit: builds, CI, bench (see [REPOS](docs/REPOS.md)) | -| PEAK PCAN-USB | Car CAN bus access (`can_pcan`, 500 kbps) | +| PEAK PCAN-USB | Car CAN bus access (`can_pcan`, 500 kbps measured at the OBD port; listen-only until `obd-poller`) | | Onboard MTTCan | Second CAN interface (`can_onboard`) | | Waveshare SIM7600G-H-M.2 | LTE Cat 4 (povo, fallback uplink below WiFi/Ethernet) + GNSS | diff --git a/docs/ROADMAP.md b/docs/ROADMAP.md index 2a835d5..733868f 100644 --- a/docs/ROADMAP.md +++ b/docs/ROADMAP.md @@ -1,7 +1,7 @@ --- type: plan status: active -updated: 2026-10-08 +updated: 2026-10-09 --- # Roadmap @@ -14,6 +14,8 @@ Getting the Jetson to see the hardware at all. - [x] PCAN-USB working as SocketCAN (out-of-tree `pcan.ko`, netdev build) - [x] Stable CAN names by udev: `can_pcan`, `can_onboard` — `canN` order raced at boot +- [x] Z27AG OBD-port CAN measured: 500 kbps, not gatewayed, 27 periodic IDs at + ~890 frames/s; `can_pcan` comes up at 500k listen-only on boot and hot-plug - [x] SIM7600G-H-M.2 specified and documented - [x] SIM7600 LTE data path: QMI (self-built `qmi_wwan`), povo, metered, ranked below Ethernet/WiFi; failover tested, Tailscale stays reachable over LTE