NovoTerm has been made for you if you're a firmware developer or an embedded software developer.

This modernly designed desktop application serves as a development tool to help view serial data on your COM port. It shows both incoming and outgoing data in separate colors with timestamps. You can see the data in various data formats: ASCII/Hex/Decimal/Octal/Binary You can send data in a repetitive manner (i.e. every 1 second). You can save multiple data sequences that you intend to send and easily send them when you need them. All data can be exported in ALL data formats in both TXT and CSV files. All data sequences and settings can be saved and uploaded by other users.