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Experiment: C++17 support (#9874)

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* Add C++17 support

* Add C++17 runtime probes and update build configurations for STM32 and Portduino

* Remove unflags

* Update C++ standard flags across the platforms

* Convert a couple of instances to structured bindings

* NRF52 platform.txt to add C++17 support

* Still need the unflags apparently

* Remove C++17 runtime probe tests from test_main.cpp

* Reconfigured doesnt need a nodiscard

* Remove nodiscard attribute from init() method in RadioInterface

* Remove mbedtls/error.h from build flags

Removed include directive for mbedtls/error.h from build flags.

* Fix IRAM overflow

* Fix IRAM overflow

* Add build flag to exclude MQTT from rak11200

* Update C++ standard from gnu17 to gnu++17
This commit is contained in:
Ben Meadors
2026-03-11 06:28:24 -05:00
committed by GitHub
co-authored by GitHub
parent d7d08a4725
commit d9e2b12097
12 changed files with 49 additions and 32 deletions
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src/mesh/NextHopRouter.cpp
+4 -4
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@@ -23,7 +23,7 @@ ErrorCode NextHopRouter::send(meshtastic_MeshPacket *p)
p->relay_node = nodeDB->getLastByteOfNodeNum(getNodeNum()); // First set the relayer to us
wasSeenRecently(p); // FIXME, move this to a sniffSent method
p->next_hop = getNextHop(p->to, p->relay_node); // set the next hop
p->next_hop = getNextHop(p->to, p->relay_node).value_or(NO_NEXT_HOP_PREFERENCE); // set the next hop
LOG_DEBUG("Setting next hop for packet with dest %x to %x", p->to, p->next_hop);
// If it's from us, ReliableRouter already handles retransmissions if want_ack is set. If a next hop is set and hop limit is
@@ -170,10 +170,10 @@ bool NextHopRouter::perhapsRebroadcast(const meshtastic_MeshPacket *p)
* Get the next hop for a destination, given the relay node
* @return the node number of the next hop, 0 if no preference (fallback to FloodingRouter)
*/
uint8_t NextHopRouter::getNextHop(NodeNum to, uint8_t relay_node)
std::optional<uint8_t> NextHopRouter::getNextHop(NodeNum to, uint8_t relay_node)
{
if (isBroadcast(to))
return NO_NEXT_HOP_PREFERENCE;
return std::nullopt;
meshtastic_NodeInfoLite *node = nodeDB->getMeshNode(to);
if (node && node->next_hop) {
@@ -184,7 +184,7 @@ uint8_t NextHopRouter::getNextHop(NodeNum to, uint8_t relay_node)
} else
LOG_WARN("Next hop for 0x%x is 0x%x, same as relayer; set no pref", to, node->next_hop);
}
return NO_NEXT_HOP_PREFERENCE;
return std::nullopt;
}
PendingPacket *NextHopRouter::findPendingPacket(GlobalPacketId key)