From b08302237fc4b7a885e115d271a8ee9667e8b035 Mon Sep 17 00:00:00 2001 From: Dennis Guse Date: Wed, 1 May 2024 20:02:43 +0200 Subject: [PATCH] READMEs: added reference to NoTrustIssues. --- README.md | 2 +- README_TESTED_SENSORS.md | 10 +++++++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 821842a93..a8eac7ba3 100644 --- a/README.md +++ b/README.md @@ -70,7 +70,7 @@ hosted.weblate.org. * export automatically after each recording (e.g., to sync via [Nextcloud](https://nextcloud.com/)) * avoid duplication: each exported file contain a random unique identifier (i.e., `opentracks:trackid`) * __Altitude:__ - * gain/loss via barometric sensor (if present) + * gain/loss via barometric sensor (internal if present or via Bluetooth's Environmental Sensing Service) * shown in EGM2008 (above mean sea level); exported as WGS84 * __Bluetooth LE sensors:__ * heart rate diff --git a/README_TESTED_SENSORS.md b/README_TESTED_SENSORS.md index 7d5b35d72..6d29bbd8e 100644 --- a/README_TESTED_SENSORS.md +++ b/README_TESTED_SENSORS.md @@ -60,7 +60,15 @@ We do not support type of movement (i.e., walking vs running). * Stryd (incl. power) * Wahoo Tickr X (Cadence appears to be reported in SPM rather than RPM) -## Tested Barometric Sensor Smartphones +## Barometer (gain/loss) + +### 0x2A6D: Environmental Sensing Service +Sadly, Bluetooth sensors providing _air pressure_ via Environmental Sensing Service seem to be very rare. + +* NoTrustIssues: https://github.com/OpenTracksApp/NoTrustIssues + An Android app that exposes the internal barometer via Environmental Sensing Service. + +### Internal: tested Barometric Sensor Smartphones OpenTracks derives the altitude gain and altitude loss using the internal barometric sensor of a device (if present). However, barometric sensor seem to be prone to a lot of noise.