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Merge pull request #96 from cjkas/fix/alloc-failure-log

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feat: log failed heap allocations before the abort
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cjkas 2026-10-24 10:46:19 +02:00 • committed by GitHub
commit ef753f53bb
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1 changed files with 14 additions and 1 deletions
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15
src/SomfyController.cpp
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@ -18,6 +18,9 @@
#include "esp_system.h"
#include "esp_app_desc.h"
#include "esp_ota_ops.h"
#include "esp_heap_caps.h"
#include "esp_rom_sys.h"
#include <inttypes.h>
#include "Timing.h"
static const char *TAG = "Main";
@ -70,8 +73,18 @@ void listDir(const char *dirname, uint8_t levels) {
}
}
void setup() {
// A failed allocation in library code aborts with only the backtrace, so this
// leaves the size and what the heap had left next to it. Printed by the ROM
// as the logger might need the heap itself.
static void onAllocFailed(size_t size, uint32_t caps, const char *function) {
esp_rom_printf("Alloc of %u bytes (caps 0x%" PRIx32 ") failed in %s: free %u, largest block %u, min free %u\n",
(unsigned)size, caps, function ? function : "?", (unsigned)heap_caps_get_free_size(caps),
(unsigned)heap_caps_get_largest_free_block(caps), (unsigned)heap_caps_get_minimum_free_size(caps));
}
void setup() {
Serial.begin(SERIAL_BAUD);
heap_caps_register_failed_alloc_callback(onAllocFailed);
ESP_LOGI(TAG, "Startup/Boot....");
esp_core_dump_summary_t summary;
if (esp_core_dump_get_summary(&summary) == ESP_OK) {