uartps: xuartps_polled_example.c File Reference

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xuartps_polled_example.c File Reference

## Overview

This file contains an example using the XUartPs driver in polled mode.

This function sends data and expects to receive the data through the device using the local loopback mode.

Note
  If the device does not work properly, the example may hang.

MODIFICATION HISTORY:

    Ver   Who    Date     Changes

    1.00a  drg/jz 01/13/10 First Release
    1.03a  sg     07/16/12 Modified the device ID to use the first Device Id
                    Removed the printf at the start of the main

## Functions
int | UartPsPolledExample (u16 DeviceId)
| This function does a minimal test on the XUartPs device in polled mode. More...
int | main (void)
| Main function to call the Uart Polled mode example. More...

## Function Documentation

int main | ( | void |  | ) |

Main function to call the Uart Polled mode example.

Parameters

  None |

Returns
  XST_SUCCESS if successful, otherwise XST_FAILURE

Note
  None

References UartPsPolledExample().

int UartPsPolledExample | ( | u16 | DeviceId | ) |

This function does a minimal test on the XUartPs device in polled mode.

This function sends data and expects to receive the data through the UART using the local loopback mode.

Parameters

  DeviceId | is the unique device id from hardware build.

Returns
  XST_SUCCESS if successful, XST_FAILURE if unsuccessful

Note
  This function polls the UART, it may hang if the hardware is not working correctly.

References XUartPs_Config::BaseAddress, XUartPs_CfgInitialize(), XUartPs_IsSending(), XUartPs_LookupConfig(), XUARTPS_OPER_MODE_LOCAL_LOOP, XUARTPS_OPER_MODE_NORMAL, XUartPs_Recv(), XUartPs_SelfTest(), XUartPs_Send(), and XUartPs_SetOperMode().

Referenced by main().