basic-demo

basic-stats.cpp

#include <Arduino.h>
#include "esp_heap_caps.h"
#include "esp_system.h"

void printMemoryStats() {
    Serial.println("=== Memory Stats ===");

    // Heap memory info
    Serial.printf("Free Heap: %u bytes\n", esp_get_free_heap_size());
    Serial.printf("Largest Free Block: %u bytes\n", heap_caps_get_largest_free_block(MALLOC_CAP_8BIT));
    Serial.printf("Minimum Free Heap Ever: %u bytes\n", esp_get_minimum_free_heap_size());

    // Stack high water mark for the current task
    Serial.printf("Main Task Stack High Water Mark: %u bytes\n", uxTaskGetStackHighWaterMark(NULL));

    // PSRAM stats (if available)
    #if CONFIG_SPIRAM_USE_MALLOC
        Serial.printf("Free PSRAM: %u bytes\n", heap_caps_get_free_size(MALLOC_CAP_SPIRAM));
        Serial.printf("Largest Free PSRAM Block: %u bytes\n", heap_caps_get_largest_free_block(MALLOC_CAP_SPIRAM));
    #else
        Serial.println("PSRAM not available.");
    #endif

    Serial.println("====================\n");
}

void setup() {
    Serial.begin(115200);
    delay(1000); // Allow time for serial monitor to start
}

void loop() {
    printMemoryStats();
    delay(1000); // Print every second
}