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2638 lines
47 KiB
HTML
2638 lines
47 KiB
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<meta name="description" content="Documentation for the open source MeshCore firmware">
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Nrf52 embedded bootloader
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Home
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Firmware and tools
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Firmware and tools
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<span class="md-ellipsis">
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Firmware picker
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Notifications
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</a>
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Preset test
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Filter tool
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<span class="md-ellipsis">
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Telemetry decoder
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</a>
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<li class="md-nav__item">
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Management decoder
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Documentation
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Getting started and features
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<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_1_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_3_1">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
|
|
|
|
Getting started and features
|
|
|
|
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../faq/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Faq
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../full_profiles/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Full profiles
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../role_feature_switches/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Role feature switches
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
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</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../full_companion_features/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Full companion features
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../companion_radio_full/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Companion radio full
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../full_companion_usb_switcher/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Full companion usb switcher
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../companion_offline_queue/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Companion offline queue
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../halo_keymind_settings/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Halo keymind settings
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Firmware updates and partitions
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_3_2">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
|
|
|
|
Firmware updates and partitions
|
|
|
|
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../upgrading_1.17.1.8_to_1.17.1.9/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Upgrading 1.17.1.8 to 1.17.1.9
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../ota_user_guide/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Ota user guide
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../ota_easy/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Ota easy
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../lora_ota_automation/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Lora ota automation
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../ota_nrf52_bootloader_update/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Ota nrf52 bootloader update
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../ota_nrf52_qspi/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Ota nrf52 qspi
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../ota_meshtower_v2_sdcard/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Ota meshtower v2 sdcard
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../esp32_partition_catalog/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Esp32 partition catalog
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../esp32_wifi_partition_migration/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Esp32 wifi partition migration
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../heltec_v4_wifi_partition_migration/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Heltec v4 wifi partition migration
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../host_cli_service/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Host cli service
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Radio, networking, and power
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_3_3">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
|
|
|
|
Radio, networking, and power
|
|
|
|
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../radio_profiles/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Radio profiles
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../radio_presets/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Radio presets
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../fleet_management/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Private fleet management
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../room_services/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Room services
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../carrier_wave/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Carrier wave
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../espnow_bridge_setup/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Espnow bridge setup
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../rs232_bridge_setup/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Rs232 bridge setup
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../udp_bridge_setup/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Udp bridge setup
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../WiFi/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
WiFi
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../flood_filtering/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Flood filtering
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
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<li class="md-nav__item">
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<a href="../gps_tracking/" class="md-nav__link">
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<span class="md-ellipsis">
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Gps tracking
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../companion_lost_reply/" class="md-nav__link">
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<span class="md-ellipsis">
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Companion lost reply
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</span>
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</a>
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<li class="md-nav__item">
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<a href="../sensor_tracker/" class="md-nav__link">
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<span class="md-ellipsis">
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Sensor tracker
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</span>
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</a>
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<a href="../nrf52_power_management/" class="md-nav__link">
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<span class="md-ellipsis">
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Nrf52 power management
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</span>
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<label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
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<span class="md-ellipsis">
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CLI and protocol reference
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</span>
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<span class="md-nav__icon md-icon"></span>
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</label>
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<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_3_4">
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<span class="md-nav__icon md-icon"></span>
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CLI and protocol reference
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../cli_commands/" class="md-nav__link">
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<span class="md-ellipsis">
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Cli commands
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</span>
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</a>
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<li class="md-nav__item">
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<a href="../cli_build_matrix/" class="md-nav__link">
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<span class="md-ellipsis">
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Cli build matrix
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</span>
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</a>
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<li class="md-nav__item">
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<a href="../cli_command_availability/" class="md-nav__link">
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<span class="md-ellipsis">
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Cli command availability
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../terminal_chat_cli/" class="md-nav__link">
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<span class="md-ellipsis">
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Terminal chat cli
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../companion_protocol/" class="md-nav__link">
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<span class="md-ellipsis">
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Companion protocol
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../kiss_modem_protocol/" class="md-nav__link">
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<span class="md-ellipsis">
|
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Kiss modem protocol
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../packet_format/" class="md-nav__link">
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<span class="md-ellipsis">
|
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Packet format
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../payloads/" class="md-nav__link">
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<span class="md-ellipsis">
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|
Payloads
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../ota_protocol/" class="md-nav__link">
|
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|
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<span class="md-ellipsis">
|
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|
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|
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Ota protocol
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../management_reports/" class="md-nav__link">
|
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|
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<span class="md-ellipsis">
|
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|
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|
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Management reports
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../stats_binary_frames/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
|
Stats binary frames
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../number_allocations/" class="md-nav__link">
|
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|
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<span class="md-ellipsis">
|
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|
|
|
|
Number allocations
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../qr_codes/" class="md-nav__link">
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<span class="md-ellipsis">
|
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|
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Qr codes
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="../docs/" class="md-nav__link">
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<span class="md-ellipsis">
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Docs
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="../research/" class="md-nav__link">
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<span class="md-ellipsis">
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Research
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</span>
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</a>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
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<label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
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<span class="md-ellipsis">
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Releases
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</span>
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<span class="md-nav__icon md-icon"></span>
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</label>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_5">
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<span class="md-nav__icon md-icon"></span>
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Releases
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../releases/1.18.0.1/" class="md-nav__link">
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|
<span class="md-ellipsis">
|
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|
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|
|
Current - 1.18.0.1 USA Cascade
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</span>
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</a>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5_2" >
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<label class="md-nav__link" for="__nav_5_2" id="__nav_5_2_label" tabindex="0">
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<span class="md-ellipsis">
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Previous releases
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</span>
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<span class="md-nav__icon md-icon"></span>
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</label>
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<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_5_2_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_5_2">
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<span class="md-nav__icon md-icon"></span>
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Previous releases
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
|
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<a href="../releases/1.17.1.9/" class="md-nav__link">
|
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|
|
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|
|
<span class="md-ellipsis">
|
|
|
|
|
|
1.17.1.9 USA Cascade
|
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|
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</span>
|
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../releases/1.17.1.8/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
1.17.1.8 USA Cascade
|
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|
|
|
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|
|
</span>
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="../old-releases/" class="md-nav__link">
|
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|
<span class="md-ellipsis">
|
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|
|
|
|
Older releases
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|
|
|
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|
|
</span>
|
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|
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
|
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<a href="../test-results/" class="md-nav__link">
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<span class="md-ellipsis">
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|
Test Results
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|
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|
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|
</span>
|
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|
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</a>
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</li>
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</ul>
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</nav>
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</li>
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</ul>
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</nav>
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</div>
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</div>
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</div>
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<div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
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<div class="md-sidebar__scrollwrap">
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<div class="md-sidebar__inner">
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<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
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<label class="md-nav__title" for="__toc">
|
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<span class="md-nav__icon md-icon"></span>
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Table of contents
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</label>
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<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="#build" class="md-nav__link">
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<span class="md-ellipsis">
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Build
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="#install-and-activate" class="md-nav__link">
|
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<span class="md-ellipsis">
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Install and activate
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#qualification" class="md-nav__link">
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<span class="md-ellipsis">
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Qualification
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</span>
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</a>
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</li>
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</ul>
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</nav>
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<a href="https://github.com/mikecarper/MeshCore/edit/keymindCascade/docs/nrf52_embedded_bootloader.md" title="Edit this page" class="md-content__button md-icon" rel="edit">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4zm10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1z"/></svg>
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<!-- meshcore-hosted-doc-link:start -->
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<p class="meshcore-hosted-doc-link"><a href="https://mikecarper.github.io/MeshCore/nrf52_embedded_bootloader/">View this page on MeshCore Docs</a>.</p>
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<!-- meshcore-hosted-doc-link:end -->
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<h1 id="embedded-nrf52-bootloader-update">Embedded nRF52 bootloader update</h1>
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<p>For <strong>MeshCore 1.18.0.1</strong>, select your exact board and Repeater or Room Server
|
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role in the <a href="../firmware_picker/">firmware picker</a>, then choose <strong>OTAFIX 2.4.12
|
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bootloader included</strong> where available. See the
|
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<a href="../releases/1.18.0.1/">release notes</a> and <a href="../ota_user_guide/">update guide</a> for
|
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the application downloads and installation route.</p>
|
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<p>An opt-in Repeater or Room Server build can carry its application firmware and
|
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the exact board's <a href="https://github.com/mikecarper/Adafruit_nRF52_Bootloader_OTAFIX/releases/tag/v0.11.0-OTAFIX2.4.12">OTAFIX 2.4.12 bootloader</a>
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in one application image. After installing that application, it checks the
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bootloader once at 70 seconds after startup and updates it when needed. The
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check waits for idle radio and OTA activity, and skips a valid matching
|
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bootloader at the same or newer version. Recovery and unrecognized bootloaders
|
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are excluded from automatic installation. Ordinary firmware has no automatic
|
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bootloader update.</p>
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<p>This follows the internal-flash bridge in
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<a href="https://github.com/MeshEnvy/meshcore-firmware/pull/2">MeshEnvy firmware PR #2</a>.
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The replacement stays inside the running application's verified image until
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Nordic's MBR copies it to the bootloader region. It needs no external staging
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storage and does not replace the SoftDevice or change the filesystem layout.</p>
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<h2 id="build">Build</h2>
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<p>The complete USA Cascade release build includes ordinary application images,
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Full and Reduced sensor profiles, and separate bootloader-carrying Repeater
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and Room Server variants for hardware in the pinned normal OTAFIX catalog:</p>
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<pre><code class="language-sh">bash build.sh release-build --firmware-version v1.18.0.1-halo-keymind-cascade-dev
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</code></pre>
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<p>The 1.18.0.1 <a href="https://github.com/mikecarper/MeshCore/releases/tag/utility-v1.18.0.1-halo-keymind-cascade-dev-03214a16">update utilities</a>
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also include the exact-board standalone OTAFIX 2.4.12 UF2,
|
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SoftDevice/bootloader DFU ZIP, and SWD HEX downloads. These serve
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Companion and Sensor installations as well as the infrastructure roles.
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Pending, blocked and retired bootloader profiles are excluded and identified
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in the catalog. A normal application image does not update its bootloader.</p>
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<p>From the repository root, replace <code>TARGET</code> with the exact OTA-enabled nRF52840
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Repeater or Room Server target:</p>
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<pre><code class="language-sh">bash build.sh build-firmware TARGET --with-bootloader 2.4.12 \
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--firmware-version v1.18.0.1-halo-keymind-cascade-dev
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</code></pre>
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<p>For direct PlatformIO builds, the equivalent opt-in is:</p>
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<pre><code class="language-sh">MESHCORE_NRF52_EMBED_BOOTLOADER=2.4.12 pio run -e TARGET
|
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</code></pre>
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<p>The generator matches the board and storage to the 2.4.12 catalog and verifies
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the release asset before embedding only its 40 KiB bootloader region. Host
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validation covers all 23 published profiles, including SenseCAP Solar P1.
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P1 uses its exact <code>SCAP_DFU</code> identity and S140 v7 layout; XIAO's <code>XIAO_DFU</code>
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identity remains separate despite the shared USB board ID.
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Unsupported profiles are refused. The usual application,
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capacity and memory checks still apply: the resource adds 40 KiB plus update
|
|
code, so some profiles will not fit. The build does not remove features or
|
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shrink the filesystem to make room.</p>
|
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<p>Opt-in outputs include <code>-with-bootloader-2.4.12</code> in their names. Ordinary builds
|
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and their output names stay unchanged. The embedded image remains an
|
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application UF2/DFU package, not a combined SoftDevice/bootloader DFU package.</p>
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<p>An installed bootloader with valid compatible identity metadata must match the
|
|
candidate's board and runtime layout. For the explicitly qualified legacy
|
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RAK4631 transition, also supply the exact installed bootloader image:</p>
|
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<pre><code class="language-sh">MESHCORE_NRF52_LEGACY_BOOTLOADER=/absolute/path/full.hex \
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bash build.sh build-firmware RAK_4631_repeater --with-bootloader 2.4.12
|
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</code></pre>
|
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<p>The legacy exception binds the entire padded bootloader region by SHA-256.
|
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It accepts the qualified MeshEnvy <code>0.9.2-ev1</code> RAK4631 image, whose full-region
|
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SHA-256 is <code>64bfe69d56eefc2d0fe51770902aff70ea0cc06cad261d3d219e4a3c0efac8dc</code>.
|
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A matching version string alone is insufficient; another board's image or an
|
|
unknown stock bootloader is not accepted by that exception.</p>
|
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<p>A P1 already running a XIAO bootloader needs a deliberate identity migration;
|
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the embedded installer does not change one board identity into another. Use
|
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the documented temporary recovery bridge for the installed identity, followed
|
|
by the normal P1 bootloader. The all-in-one P1 variant embeds the normal 2.4.12
|
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P1 image, not a recovery image.</p>
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<h2 id="install-and-activate">Install and activate</h2>
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<ol>
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<li>Install the application through its normal USB UF2 or serial/Bluetooth DFU
|
|
route. LoRa delivery requires an already working, compatible application OTA
|
|
updater. An internal-only legacy receiver needs a delta from its exact
|
|
installed application; this image does not give a stock bootloader its first
|
|
LoRa update capability.</li>
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<li>Leave the new application running for at least 70 seconds. It checks once
|
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when radio and OTA activity are idle, then waits for the usual 1.5-second
|
|
grace and persistence checks before replacement and reboot. To start sooner,
|
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use the local CLI or authenticated remote admin CLI:</li>
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</ol>
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<p><code>text
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ota bootloader update</code></p>
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<p>The command checks the installed bootloader and skips the update if a valid,
|
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matching bootloader is already 2.4.12 or newer. Repeating the command while
|
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it is armed is harmless. An <code>armed</code> reply means the update is queued until
|
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the CLI reply and queued/in-flight radio transmissions drain.
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3. After reboot, check <code>get bootloader.ver</code>. Optional diagnostics are
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<code>ota bootloader embedded status</code> and <code>ota bootloader embedded audit</code>; save an
|
|
audit before installation to compare the application, filesystem, settings
|
|
and SoftDevice hashes afterward. The older
|
|
<code>ota bootloader embedded install HASH16</code> command remains available with the
|
|
confirmation shown by <code>status</code>.</p>
|
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<p>Automatic installation is limited to one attempt per firmware image. A saved
|
|
40-byte record in <code>/bl_auto</code> contains the full SHA-256 of the running image,
|
|
including its version trailer. It survives reboots and power cycles. Flashing
|
|
a different firmware image permits a new check; recovery bootloaders remain
|
|
excluded. Older recovery images without a recognizable normal bootloader label
|
|
also skip automatic installation.</p>
|
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<p>The record is committed before inspecting the bootloader, so an interrupted or
|
|
failed check also requires manual retry or different firmware. Missing persistent
|
|
storage, corrupt records, or an unfinished file transaction block automatic updates.
|
|
Manual <code>ota bootloader update</code> remains available under its existing identity,
|
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version and persistence checks. The first lock write changes the filesystem
|
|
audit hash; it does not change the application or SoftDevice.</p>
|
|
<p>The retained reboot guard still covers the initial checks and copy. A guard
|
|
from the previous firmware does not prevent a verified different image from
|
|
qualifying again. Status reports <code>auto=locked for this firmware</code>, <code>auto=recovery</code>,
|
|
<code>auto=unrecognized</code>, <code>auto=storage unavailable</code>, or <code>auto=blocked</code> when relevant.
|
|
These guards prevent repeated update attempts; they cannot repair a bootloader
|
|
that fails before the application starts. Erasing the filesystem also erases
|
|
the saved firmware lock.</p>
|
|
<p>The bridge validates the live application, candidate hash, installed identity,
|
|
chip/layout, MBR addresses, watchdog and flash protection before copying. A
|
|
protected region is refused; the bridge does not unlock it. Existing staged
|
|
<code>ota bootloader status</code> and <code>ota bootloader install MID8 HASH16</code> commands keep
|
|
their separate signed-package behavior. See
|
|
<a href="../ota_nrf52_bootloader_update/">bootloader updates over LoRa</a> for that path.</p>
|
|
<h2 id="qualification">Qualification</h2>
|
|
<p>The source PR documents one successful RAK4631 migration with unchanged
|
|
application, filesystem, settings and SoftDevice hashes. Its later guards have
|
|
host checks, but the recorded hardware run predates the final PR build.
|
|
Other boards and power-cut recovery are not hardware-qualified by that test.
|
|
Keep local recovery access when qualifying a new transition; an older loader's
|
|
initial application-delta stage may itself be destructive. The MBR parameter
|
|
page is intentionally used during the bootloader copy and is outside the
|
|
unchanged-settings claim.</p>
|
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