Arduino for STM32

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#include <Wire.h>

//            SDA  SCL
// TwoWire Wire2(PB9, PB8);

void eepromInit()
{
    Serial.begin(9600);
    // Wire.setSDA(PB_9); // using pin name PY_n
    // Wire.setSCL(PB8); // using pin number PYn
    Wire.begin();
    delay(100);

    byte error, address;
    int nDevices;
    Wire.beginTransmission(0b1000000);
    error = Wire.endTransmission();
    Serial.print(error);
    Serial.print("\n");
    Wire.beginTransmission(0b1010001);
    error = Wire.endTransmission();
    Serial.print(error);
    Serial.print("\n");
    Wire.beginTransmission(0b1010000);
    error = Wire.endTransmission();
    Serial.print(error);
    Serial.print("\n");

    nDevices = 0;
    for (address = 1; address < 127; address++)
    {
        // The i2c_scanner uses the return value of
        // the Write.endTransmisstion to see if
        // a device did acknowledge to the address.
        Wire.beginTransmission(address);
        error = Wire.endTransmission();

        if (error == 0)
        {
            Serial.print("I2C device found at address 0x");
            if (address < 16)
                Serial.print("0 ");
            Serial.println(address);

            nDevices++;
        }
        else if (error == 4)
        {
            Serial.print("Unknown error at address 0x");
            if (address < 16)
                Serial.print("0");
            Serial.println(address);
        }
    }
    if (nDevices == 0)
        Serial.print("No I2C devices found\n");
    else
        Serial.print("done\n");
}

void setup(void)
{
    eepromInit();
}

void loop()
{

}

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2
2
2
No I2C devices found