stm32 bluepill hardware serial example not working

[binarymaker]

PZEMHardSerial Example not working. Some issues in PZEM constructor and Serial.begin() in the library.
In stm32 library hardware configuration works after setup function invoke.

Please refer attached my workout example.

#include <PZEM004Tv30.h>

#if !defined(PZEM_SERIAL)
#define PZEM_SERIAL Serial2
#endif

PZEM004Tv30 *pzem;

void setup() {
    // Debugging Serial port
    Serial1.begin(115200);
    pzem = new PZEM004Tv30(PZEM_SERIAL);

    // Uncomment in order to reset the internal energy counter
    // pzem.resetEnergy()
}

void loop() {
    // Print the custom address of the PZEM
    Serial1.print("Custom Address:");
    Serial1.println(pzem->readAddress(), HEX);

    // Read the data from the sensor
    float voltage = pzem->voltage();
    float current = pzem->current();
    float power = pzem->power();
    float energy = pzem->energy();
    float frequency = pzem->frequency();
    float pf = pzem->pf();

    // Check if the data is valid
    if(isnan(voltage)){
        Serial1.println("Error reading voltage");
    } else if (isnan(current)) {
        Serial1.println("Error reading current");
    } else if (isnan(power)) {
        Serial1.println("Error reading power");
    } else if (isnan(energy)) {
        Serial1.println("Error reading energy");
    } else if (isnan(frequency)) {
        Serial1.println("Error reading frequency");
    } else if (isnan(pf)) {
        Serial1.println("Error reading power factor");
    } else {

        // Print the values to the Serial console
        Serial1.print("Voltage: ");      Serial1.print(voltage);      Serial1.println("V");
        Serial1.print("Current: ");      Serial1.print(current);      Serial1.println("A");
        Serial1.print("Power: ");        Serial1.print(power);        Serial1.println("W");
        Serial1.print("Energy: ");       Serial1.print(energy,3);     Serial1.println("kWh");
        Serial1.print("Frequency: ");    Serial1.print(frequency, 1); Serial1.println("Hz");
        Serial1.print("PF: ");           Serial1.println(pf);

    }


    Serial1.println();
    delay(2000);
}

[vortigont]

Looks like this is a wrong lib :) you might be talking about this one