arduino 获取esp32 内存配置信息

arduino 获取esp32 内存配置信息

#include <Arduino.h>

uint32_t chipId = 0;
void setup() {
    Serial.begin(115200);
}
void loop() {
uint32_t chipId = 0;
    for(int i=0; i<17; i=i+8) {
      chipId |= ((ESP.getEfuseMac() >> (40 - i)) & 0xff) << i;
    }
    Serial.printf("ESP32 Chip model = %s Rev %d\n", ESP.getChipModel(), ESP.getChipRevision());
    Serial.printf("This chip has %d cores\n", ESP.getChipCores());
    Serial.print("Chip ID: "); Serial.println(chipId);

    // 获取 Flash 大小（以字节为单位）并转换为 KB
    uint32_t flashSize = ESP.getFlashChipSize() / 1024;
    Serial.printf("Flash Size: %u KB\n", flashSize);
    // 获取 PSRAM 的大小（以字节为单位）并转换为 KB
    uint32_t psramSize = ESP.getPsramSize() / 1024;
    Serial.printf("PSRAM Size: %u KB\n", psramSize);
    // 获取剩余内存并转换为 KB
    uint32_t freeMemory = ESP.getFreeHeap() / 1024;
    Serial.printf("Free Memory: %u KB\n", freeMemory);
    // 获取总内存并转换为 KB
    uint32_t Totalheap = ESP.getHeapSize() / 1024;
    Serial.printf("Total heap: %u KB\n", Totalheap);
    // 获取 PSRAM 剩余内存并转换为 KB
    uint32_t FreePSRAM = ESP.getFreePsram() / 1024;
    Serial.printf("Free PSRAM: %u KB\n", FreePSRAM);

    delay(3000);
}