HC12 / si4463 arduino libraries?

Are there any HC12 or si4463 related libraries?

Can't find any examples or tutorials how to use this HC12 transceiver. The only idea is to try SoftwareSerial library, but i don't think it will help a lot.

tried SoftwareSerial, unfortunately i don’t see response on AT request

#include <SoftwareSerial.h>

SoftwareSerial mySerial(10, 11); // RX, TX

void setup()  
{
  Serial.begin(57600);
  Serial.println("Serial init");

  mySerial.begin(9600);
  delay(1000);

  mySerial.print("AT");
  waitForResponse();
}

void loop()
{
}

void waitForResponse() {
    delay(1000);
    while (mySerial.available()) {
      Serial.write(mySerial.read());
    }
    Serial.write("\n");
}

Hello I'm stuck with the same kind of questions for hc-12 module.
The thing you tried i got to work, and i don't see you making the "SET" pin 'low'.
For all the AT and commands to work and get a response you need to make the "SET" pin a logic low.