sender.c

#include <project.h>
#include <stdio.h>

int main()
{
int16 test=16789;
    uint16 utest = (uint16)test;
    uint8 hibyte = utest>>8;
    uint8 lowbyte = utest;

    CyGlobalIntEnable; /* Enable global interrupts. */
    UART_Start();

    for(;;) //Send the same info again and again
    {
        UART_ClearTxBuffer();
        UART_PutChar(hibyte);
        UART_PutChar(lowbyte);
        CyDelay(500);
    }
}