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Fix heap blowout on TBeams (#10155)

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* Fix heap blowout on TBeams

* Update src/graphics/draw/MessageRenderer.cpp

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Set MESSAGE_HISTORY_LIMIT to 10 for original ESP32 to optimize RAM usage

* Optimize message frame allocation to prevent excessive memory usage

* Refine message history limits for resource-constrained builds and cap cached lines to prevent heap overflow

* Update src/graphics/draw/MessageRenderer.cpp

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
Ben Meadors
2026-04-14 13:05:58 -05:00
co-authored by Copilot
parent a67eb15ad3
commit d24d8806e1
2 changed files with 27 additions and 2 deletions
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src/MessageStore.h
+7
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@@ -21,8 +21,15 @@
// How many messages are stored (RAM + flash).
// Define -DMESSAGE_HISTORY_LIMIT=N in build_flags to control memory usage.
#ifndef MESSAGE_HISTORY_LIMIT
#if defined(ARCH_ESP32) && \
!(defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32S3) || defined(CONFIG_IDF_TARGET_ESP32S2))
// Baseline ESP32 (non-PSRAM variants) has limited heap; reduce message history on resource-constrained builds.
// Override with -DMESSAGE_HISTORY_LIMIT=N if needed.
#define MESSAGE_HISTORY_LIMIT 10
#else
#define MESSAGE_HISTORY_LIMIT 20
#endif
#endif
// Internal alias used everywhere in code – do NOT redefine elsewhere.
#define MAX_MESSAGES_SAVED MESSAGE_HISTORY_LIMIT