sl-uwb
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4b8d1b2ff7
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feat: Integrate UWB tag display + ESP-NOW + e-stop (salty/uwb-tag-display-wireless)
Integrates Tee's additions to the DS-TWR tag firmware (esp32/uwb_tag/).
Base is our DS-TWR initiator from Issue #545; extensions added:
OLED display (SSD1306 128×64, I2C SDA=4 SCL=5):
- Big distance readout (nearest anchor, auto m/mm)
- Per-anchor range rows with link-age indicator
- Signal strength bars (RSSI)
- Uptime + sequence counter
- Full-screen E-STOP warning when button held
ESP-NOW wireless (peer-to-peer, no AP required):
- 20-byte broadcast packet: magic, tag_id, msg_type, anchor_id,
range_mm, rssi_dbm, timestamp_ms, battery_pct, flags, seq_num
- MSG_RANGE (0x10) on every successful TWR
- MSG_ESTOP (0x20) at 10 Hz while button held; 3× clear on release
- MSG_HEARTBEAT (0x30) at 1 Hz
Emergency stop (GPIO 0 / BOOT button, active LOW):
- Blocks ranging while active
- 10 Hz ESP-NOW e-stop TX, serial +ESTOP:ACTIVE / +ESTOP:CLEAR
- 3× clear packets on release
Build: adds Adafruit SSD1306 + GFX libraries to platformio.ini.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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2026-03-14 12:19:31 -04:00 |
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