// UART0 Init
PINSEL0 = BIT6 | BIT4; // pinsel TX0, RX0
U0FCR = 0x47; // Reset FIFO's and enable. Set trigger level 4 character
U0LCR = 0x83; // 8 data bit, 1 stop bit, no parity. Set DLAB
U0DLL = 0x13; // baude rate 9600
U0LCR_bit.DLAB = 0; // Clear DLAB
U0IER |= 0x01; // Enable Rx interrupt

char ch;
// Send "/n+echo-"
U0THR = LINE_FEED;
U0THR = CARRIAGE_RET;
U0THR = 'e';
U0THR = 'c';
U0THR = 'h';
U0THR = 'o';
U0THR = '-';
// send received character's
while(U0LSR_bit.DR)
{
ch = U0RBR;
U0THR = ch;
}
// new line
U0THR = LINE_FEED;
U0THR = CARRIAGE_RET;