RS232 Communication function in VHDL for Spartan 3E

Working RS232 controller running at 9600 Hz. Consist of Transmitter and Receiver Module. Tested in FPGA Spartan 3 Included files for testing at FPGA - Scan4digit .vhd - to display at 7 sgement display - D4to7 .vhd - Convert HEX decimal to