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ESP.getChipModel() and ESP.getChipCores() #3847

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Merged
merged 6 commits into from
Sep 30, 2020
Merged

ESP.getChipModel() and ESP.getChipCores() #3847

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dcc82f3
ESP.getChipModel() returns model of the chip
Mar 24, 2020
13dd873
ESP.getChipCores() returns the core count.
Mar 24, 2020
5ef8045
Example gives chip model, revision and core count.
Mar 24, 2020
4aabaa6
Read efuse for chipmodel
Mar 26, 2020
6b838e5
Merge branch 'master' into master
PA4WD Apr 16, 2020
80f6acd
Merge branch 'master' into master
PA4WD Jun 10, 2020
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27 changes: 27 additions & 0 deletions cores/esp32/Esp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -218,6 +218,33 @@ uint8_t EspClass::getChipRevision(void)
return chip_info.revision;
}

const char * EspClass::getChipModel(void)
{
uint32_t chip_ver = REG_GET_FIELD(EFUSE_BLK0_RDATA3_REG, EFUSE_RD_CHIP_VER_PKG);
uint32_t pkg_ver = chip_ver & 0x7;
switch (pkg_ver) {
case EFUSE_RD_CHIP_VER_PKG_ESP32D0WDQ6 :
return "ESP32-D0WDQ6";
case EFUSE_RD_CHIP_VER_PKG_ESP32D0WDQ5 :
return "ESP32-D0WDQ5";
case EFUSE_RD_CHIP_VER_PKG_ESP32D2WDQ5 :
return "ESP32-D2WDQ5";
case EFUSE_RD_CHIP_VER_PKG_ESP32PICOD2 :
return "ESP32-PICO-D2";
case EFUSE_RD_CHIP_VER_PKG_ESP32PICOD4 :
return "ESP32-PICO-D4";
default:
return "Unknown";
}
}

uint8_t EspClass::getChipCores(void)
{
esp_chip_info_t chip_info;
esp_chip_info(&chip_info);
return chip_info.cores;
}

const char * EspClass::getSdkVersion(void)
{
return esp_get_idf_version();
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2 changes: 2 additions & 0 deletions cores/esp32/Esp.h
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Expand Up @@ -75,6 +75,8 @@ class EspClass
uint32_t getMaxAllocPsram();

uint8_t getChipRevision();
const char * getChipModel();
uint8_t getChipCores();
uint32_t getCpuFreqMHz(){ return getCpuFrequencyMhz(); }
inline uint32_t getCycleCount() __attribute__((always_inline));
const char * getSdkVersion();
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3 changes: 3 additions & 0 deletions libraries/ESP32/examples/ChipID/GetChipID/GetChipID.ino
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Expand Up @@ -9,6 +9,9 @@ void loop() {
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);

}