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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/RadioInterface.h
+12 -12
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@@ -156,7 +156,7 @@ class RadioInterface
virtual ErrorCode send(meshtastic_MeshPacket *p) = 0;
/** Return TX queue status */
virtual meshtastic_QueueStatus getQueueStatus()
[[nodiscard]] virtual meshtastic_QueueStatus getQueueStatus()
{
meshtastic_QueueStatus qs;
qs.res = qs.mesh_packet_id = qs.free = qs.maxlen = 0;
@@ -182,22 +182,22 @@ class RadioInterface
virtual bool reconfigure();
/** The delay to use for retransmitting dropped packets */
uint32_t getRetransmissionMsec(const meshtastic_MeshPacket *p);
[[nodiscard]] uint32_t getRetransmissionMsec(const meshtastic_MeshPacket *p);
/** The delay to use when we want to send something */
uint32_t getTxDelayMsec();
[[nodiscard]] uint32_t getTxDelayMsec();
/** The CW to use when calculating SNR_based delays */
uint8_t getCWsize(float snr);
[[nodiscard]] uint8_t getCWsize(float snr);
/** The worst-case SNR_based packet delay */
uint32_t getTxDelayMsecWeightedWorst(float snr);
[[nodiscard]] uint32_t getTxDelayMsecWeightedWorst(float snr);
/** Returns true if we should rebroadcast early like a ROUTER */
bool shouldRebroadcastEarlyLikeRouter(meshtastic_MeshPacket *p);
[[nodiscard]] bool shouldRebroadcastEarlyLikeRouter(meshtastic_MeshPacket *p);
/** The delay to use when we want to flood a message. Use a weighted scale based on SNR */
uint32_t getTxDelayMsecWeighted(meshtastic_MeshPacket *p);
[[nodiscard]] uint32_t getTxDelayMsecWeighted(meshtastic_MeshPacket *p);
/** If the packet is not already in the late rebroadcast window, move it there */
virtual void clampToLateRebroadcastWindow(NodeNum from, PacketId id) { return; }
@@ -215,18 +215,18 @@ class RadioInterface
*
* @return num msecs for the packet
*/
uint32_t getPacketTime(const meshtastic_MeshPacket *p, bool received = false);
virtual uint32_t getPacketTime(uint32_t totalPacketLen, bool received = false) = 0;
[[nodiscard]] uint32_t getPacketTime(const meshtastic_MeshPacket *p, bool received = false);
[[nodiscard]] virtual uint32_t getPacketTime(uint32_t totalPacketLen, bool received = false) = 0;
/**
* Get the channel we saved.
*/
uint32_t getChannelNum();
[[nodiscard]] uint32_t getChannelNum();
/**
* Get the frequency we saved.
*/
virtual float getFreq();
[[nodiscard]] virtual float getFreq();
/// Some boards (1st gen Pinetab Lora module) have broken IRQ wires, so we need to poll via i2c registers
virtual bool isIRQPending() { return false; }
@@ -246,7 +246,7 @@ class RadioInterface
*
* Used as the first step of
*/
size_t beginSending(meshtastic_MeshPacket *p);
[[nodiscard]] size_t beginSending(meshtastic_MeshPacket *p);
/**
* Some regulatory regions limit xmit power.