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This commit is contained in:
J. Nick Koston
2025-09-15 21:47:15 -05:00
parent 7aae946678
commit bd11ffd395
1 changed files with 8 additions and 1 deletions
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9
esphome/components/json/json_util.h
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@@ -14,11 +14,18 @@ namespace esphome {
namespace json { namespace json {
#ifdef USE_PSRAM #ifdef USE_PSRAM
// Allocator for JSON that uses PSRAM on supported devices // Build an allocator for the JSON Library using the RAMAllocator class
// This is only compiled when PSRAM is enabled
struct SpiRamAllocator : ArduinoJson::Allocator { struct SpiRamAllocator : ArduinoJson::Allocator {
void *allocate(size_t size) override { return allocator_.allocate(size); } void *allocate(size_t size) override { return allocator_.allocate(size); }
void deallocate(void *ptr) override { void deallocate(void *ptr) override {
// ArduinoJson's Allocator interface doesn't provide the size parameter in deallocate.
// RAMAllocator::deallocate() requires the size, which we don't have access to here.
// RAMAllocator::deallocate implementation just calls free() regardless of whether
// the memory was allocated with heap_caps_malloc or malloc.
// This is safe because ESP-IDF's heap implementation internally tracks the memory region
// and routes free() to the appropriate heap.
free(ptr); // NOLINT(cppcoreguidelines-owning-memory,cppcoreguidelines-no-malloc) free(ptr); // NOLINT(cppcoreguidelines-owning-memory,cppcoreguidelines-no-malloc)
} }