hardwareUartRead
UART.hardwareUartRead(uartIndex, bytesToRead, [ezbIndex])
  Parameters
| uartIndex | Index of UART to read from. | 
| bytesToRead | Number of bytes to read from the UART. | 
| ezbIndex (optional) | Board index of the EZB to use. | 
Returns
A byte array of length bytesToRead containing data received from the specified UART.Description
Returns a byte array of length bytesToRead containing data received from the specified UART.