69 lines
3.6 KiB
Markdown
69 lines
3.6 KiB
Markdown
# CubeCellRepeater
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This is the code for a simple repeater node for the meshtastic project: https://github.com/meshtastic (https://www.meshtastic.org)
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The Meshtastic project is in no way affiliated with or respnsible for the CubeCellRepeater project.
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To be compatible with meshtastic project, portions of their code was used.
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(c) Copyright Meshtastic Project (and others).
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Hardware:
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The actual node can be one of the LoRa CubeCell nodes by Heltec Automation: https://github.com/HelTecAutomation/ASR650x-Arduino/
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Notes:
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Intended for use with the platform.io IDE. Serial output speed is 115200.
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See the provided platformio.ini for built-in environments. Default is cubecell_board.
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Will repeat packets ONCE with HopLimit reduced by one. To prevent flooding the last 64 repeated packets will not be repeated again.
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If the HopLimit was already 0, the packet will not be repeated.
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Keep in mind that re-sending packets will cause the initial sender to assume that the packet is "received" or at least in the mesh.
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If no other meshtastic node is in range of either the node or the repeater, the message will still be shown as received.
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Will work with most packets meeting the radio settings, but the serial output is based on the assumption that the node receives meshtastic packets.
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Minimum size for none-Meshtastic packets is 16 bytes.
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The node can decode meshtastic packets meeting some requirements:
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- they key is the default meshtastic key or provided by you (see main.h)
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- the packets are sent over channel 0, primary channel. This should already be true for all telemetry, node info, traces and DM.
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## main.h
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"#define SILENT" in main.h to stop serial output.
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"#define CC_MONITOR_ONLY true" to stop repeating packets and just monitor the traffic via serial output.
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You can modify the radio settings in main.h (e.g using a preset, but selecting an alternate frequency slot. Or using your own freq/sf/cr settings).
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List of meshtastic-supported regions:
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- United States meshtastic_Config_LoRaConfig_RegionCode_US
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- European Union 433mhz meshtastic_Config_LoRaConfig_RegionCode_EU_433
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- European Union 868mhz (default) meshtastic_Config_LoRaConfig_RegionCode_EU_868
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- China meshtastic_Config_LoRaConfig_RegionCode_CN
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- Japan meshtastic_Config_LoRaConfig_RegionCode_JP
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- Australia / New Zealand meshtastic_Config_LoRaConfig_RegionCode_ANZ
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- Korea meshtastic_Config_LoRaConfig_RegionCode_KR
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- Taiwan meshtastic_Config_LoRaConfig_RegionCode_TW
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- Russia meshtastic_Config_LoRaConfig_RegionCode_RU
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- India meshtastic_Config_LoRaConfig_RegionCode_IN
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- New Zealand 865mhz meshtastic_Config_LoRaConfig_RegionCode_NZ_865
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- Thailand meshtastic_Config_LoRaConfig_RegionCode_TH
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- WLAN Band meshtastic_Config_LoRaConfig_RegionCode_LORA_24
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- Ukraine 433mhz meshtastic_Config_LoRaConfig_RegionCode_UA_433
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- Ukraine 868mhz meshtastic_Config_LoRaConfig_RegionCode_UA_868
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- Malaysia 433mhz meshtastic_Config_LoRaConfig_RegionCode_MY_433
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- Malaysia 919mhz meshtastic_Config_LoRaConfig_RegionCode_MY_919
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- Singapore 923mhz meshtastic_Config_LoRaConfig_RegionCode_SG_923
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For lora modem settings you should always try the default (LongFast), it's proven to be THE setting to go for.
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If you want to try other presets, here is the list:
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- meshtastic_Config_LoRaConfig_ModemPreset_SHORT_FAST
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- meshtastic_Config_LoRaConfig_ModemPreset_SHORT_SLOW
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- meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_FAST
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- meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_SLOW
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- meshtastic_Config_LoRaConfig_ModemPreset_LONG_FAST (default)
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- meshtastic_Config_LoRaConfig_ModemPreset_LONG_MODERATE
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- meshtastic_Config_LoRaConfig_ModemPreset_LONG_SLOW
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- meshtastic_Config_LoRaConfig_ModemPreset_VERY_LONG_SLOW
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