RS232 Communication Test Routine
The concept is : fully software controlled RS232 reception and transmission for PIC16F8x.Display of received ASCII characters sent from PC via RS232 and their corresponding decimal value on the LCD. Microcontroller sends feedback of received characters back to the terminal window. When the PIC terminal is idle, it sends a status message ‘@’ to the PC every 2.75 seconds.
   How to : RS232 Communication Test Routine
See more on How to : RS232 Communication Test Routine website
www.trash.net