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Migrate NRF52 devices max nodes down to 80 for now to prevent brownouts (#5346)

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Ben Meadors 2024-11-13 18:44:35 -06:00 committed by GitHub
parent f4908fadd6
commit ec6949fdc0
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2 changed files with 12 additions and 1 deletions
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6
src/mesh/NodeDB.cpp
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@ -794,7 +794,7 @@ void NodeDB::loadFromDisk()
// disk we will still factoryReset to restore things.
// static DeviceState scratch; We no longer read into a tempbuf because this structure is 15KB of valuable RAM
auto state = loadProto(prefFileName, sizeof(meshtastic_DeviceState) + MAX_NUM_NODES * sizeof(meshtastic_NodeInfo),
auto state = loadProto(prefFileName, sizeof(meshtastic_DeviceState) + MAX_NUM_NODES_FS * sizeof(meshtastic_NodeInfo),
sizeof(meshtastic_DeviceState), &meshtastic_DeviceState_msg, &devicestate);
// See https://github.com/meshtastic/firmware/issues/4184#issuecomment-2269390786
@ -813,6 +813,10 @@ void NodeDB::loadFromDisk()
meshNodes = &devicestate.node_db_lite;
numMeshNodes = devicestate.node_db_lite.size();
}
if (numMeshNodes > MAX_NUM_NODES) {
LOG_WARN("Node count %d exceeds MAX_NUM_NODES %d, truncating", numMeshNodes, MAX_NUM_NODES);
numMeshNodes = MAX_NUM_NODES;
}
meshNodes->resize(MAX_NUM_NODES);
state = loadProto(configFileName, meshtastic_LocalConfig_size, sizeof(meshtastic_LocalConfig), &meshtastic_LocalConfig_msg,

7
src/mesh/mesh-pb-constants.h
View File

@ -1,6 +1,7 @@
#pragma once
#include <vector>
#include "architecture.h"
#include "mesh/generated/meshtastic/admin.pb.h"
#include "mesh/generated/meshtastic/deviceonly.pb.h"
#include "mesh/generated/meshtastic/localonly.pb.h"
@ -20,8 +21,14 @@
/// max number of nodes allowed in the mesh
#ifndef MAX_NUM_NODES
#ifdef ARCH_NRF52
#define MAX_NUM_NODES 80
#else
#define MAX_NUM_NODES 100
#endif
#endif
#define MAX_NUM_NODES_FS 100
/// Max number of channels allowed
#define MAX_NUM_CHANNELS (member_size(meshtastic_ChannelFile, channels) / member_size(meshtastic_ChannelFile, channels[0]))