uart_software_arduino_libraries

#include <SoftwareSerial.h>

const byte rxPin = 9;
const byte txPin = 8;

//Please describe how you test the implementation of the software emulated UART protocol in the comments of the your code.

void uart_software_init(){
  //Configure the USART peripheral to operate at 9600 bit/s baud, with 8 bit characters, one start bit and one stop bit, and no parity bits.
  SoftwareSerial mySerial (rxPin, txPin);     // set up a new serial object
  mySerial.begin(9600);                       //9600 bit/s baud
}

void uart_software_tx_byte(uint8_t data){
  mySerial.write(data); // send byte of data
}

uint8_t uart_software_rx_byte(){
//Receive the specified byte called data over the UART bus. This function will complete when one byte has been fully received.
  return = mySerial.read();
}