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arduino 获取ESP32芯片id 、Flash、 PSRAM 大小
#include <Arduino.h> uint32_t chipId = 0; void setup() { Serial.begin(115200); } void loop() { 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) uint32_t flashSize = ESP.getFlashChipSize(); Serial.printf("Flash Size: %u bytes\n", flashSize); // 获取 PSRAM 的大小(以字节为单位) uint32_t psramSize = ESP.getPsramSize(); Serial.printf("PSRAM Size: %u bytes\n", psramSize); // 获取剩余内存 uint32_t freeMemory = ESP.getFreeHeap(); Serial.printf("Free Memory: %u bytes\n", freeMemory); // 获取总内存 uint32_t Totalheap = ESP.getHeapSize(); Serial.printf("Total heap: %u bytes\n", Totalheap); // 获取 PSRAM 剩余内存 uint32_t FreePSRAM = ESP.getFreePsram(); Serial.printf("Free PSRAM: %u bytes\n", FreePSRAM); delay(3000); } #include <Arduino.h> uint32_t chipId = 0; void setup() { Serial.begin(115200); } void loop() { 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) uint32_t flashSize = ESP.getFlashChipSize(); Serial.printf("Flash Size: %u kb\n", flashSize/1024); // 获取剩余内存 uint32_t freeMemory = ESP.getFreeHeap(); Serial.printf("Free Memory: %u kb\n", freeMemory/1024); // 获取总内存 uint32_t Totalheap = ESP.getHeapSize(); Serial.printf("Total heap: %u kb\n", Totalheap/1024); // 获取 PSRAM 剩余内存 uint32_t FreePSRAM = ESP.getFreePsram(); Serial.printf("PSRAM 剩余内存: %u kb\n", FreePSRAM/1024); // 获取 PSRAM 的大小(以字节为单位) uint32_t psramSize = ESP.getPsramSize(); Serial.printf("PSRAM 大小: %u kb\n", psramSize/1024); delay(3000); }
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执行时间: 0.0096170902252197 seconds