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prefs is 5 char length :nerd:
Use millisHasNowPassed() (2's complement safe) instead of direct comparison, consistent with the repeater's sleep timing logic. Co-Authored-By: Wessel <weebl@users.noreply.github.com>
When BLE is enabled but no phone has been connected for 60 seconds, enter a 12s sleep / 3s awake cycle to conserve power while remaining discoverable. On wake, BLE advertising is restarted so phones can reconnect. The cycle exits immediately when a connection is detected. Adds hasPendingConnection() to BaseSerialInterface (defaults to isConnected()). The ESP32 BLE override uses getConnectedCount() > 0 to detect mid-bonding connections, preventing sleep during the authentication handshake. Guarded by #ifndef WIFI_SSID — WiFi builds are unaffected.
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PR meshcore-dev#1347 adds power saving for companion radios when BLE is manually disabled by the user. But when the phone simply walks away or goes to sleep, BLE stays enabled and advertising, and the radio stays fully awake. This is wasted power in a common scenario.
This adds a second power-saving mode: when BLE is enabled but no phone has been connected for 60 seconds, enter a 12s sleep / 3s awake cycle. On each wake, BLE advertising is restarted (light sleep powers down the BLE radio) so phones can reconnect. The cycle exits immediately when a connection is detected.
Tested on my Heltec v4 companion and it works. Would be good if other people can test.
Build firmware: Build from this branch
Mirror of meshcore-dev#1686