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[debug] Fix iram sensor to report IRAM-only free

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This commit is contained in:
J. Nick Koston
2026-04-14 15:57:51 -10:00
parent 8a00d302b8
commit 3fa50a27a8
1 changed files with 5 additions and 1 deletions
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esphome/components/debug/debug_esp32.cpp
+5 -1
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@@ -302,7 +302,11 @@ void DebugComponent::update_platform_() {
this->psram_sensor_->publish_state(heap_caps_get_free_size(MALLOC_CAP_SPIRAM));
}
if (this->iram_sensor_ != nullptr) {
this->iram_sensor_->publish_state(heap_caps_get_free_size(MALLOC_CAP_EXEC));
// IRAM-only free: 32-bit-accessible heap minus 8-bit-accessible heap.
// IRAM regions are registered as 32-bit-only; DRAM is both 8-bit and 32-bit.
size_t free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT);
size_t free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT);
this->iram_sensor_->publish_state(free_32bit > free_8bit ? free_32bit - free_8bit : 0);
}
#endif
}