1) Only with the complete console logs, we can figure out why the error is caused. Please create a Tech Support case mentioning the console logs you get in eclipse when you compile.
2) Yes, you cna directly plug in any UART from any other device and you can use hyperterm to communicate.
In order to test, you can short the TX and RX lines of the superspeed explorer kit. Now if you send any character from hyperterm, you will receive the same character back on hyperterm.
- Madhu Sudhan