arduino-esp32/libraries/ESP32/examples/ChipID/GetChipID/GetChipID.ino
Martijn Scheepers 7e9d42da68
ESP.getChipModel() and ESP.getChipCores() (#3847)
* ESP.getChipModel() returns model of the chip

* ESP.getChipCores() returns the core count.

* Example gives chip model, revision and core count.

* Read efuse for chipmodel

Co-authored-by: Martijn Scheepers <ms@SDNengineering.nl>
2020-09-30 14:57:36 +03:00

18 lines
485 B
C++

uint64_t chipid;
void setup() {
Serial.begin(115200);
}
void loop() {
chipid=ESP.getEfuseMac();//The chip ID is essentially its MAC address(length: 6 bytes).
Serial.printf("ESP32 Chip ID = %04X",(uint16_t)(chipid>>32));//print High 2 bytes
Serial.printf("%08X\n",(uint32_t)chipid);//print Low 4bytes.
Serial.printf("ESP32 Chip model = %s Rev %d\n", ESP.getChipModel(), ESP.getChipRevision());
Serial.printf("This chip has %d cores\n", ESP.getChipCores());
delay(3000);
}