Uart is not working at my PC

[Sangkyu Kim]

Hi, I generated code by CUBE MX.

Version of Cube mx is 4.27, MDK5 is 5.26

I attach my code.

In my code,

The program stop at this code.

while (HAL_UART_GetState(&huart2) != HAL_UART_STATE_READY)

{

}

Why is it?