xuartpsv_hello_world_example.c File Reference

Overview

This file contains a design example using the XUartPsv driver in polled mode.

The example uses the default setting in the XUartPsv driver: . baud rate 9600 . 8 bit data . 1 stop bit . no parity

Note

This example requires an external SchmartModule connected to the pins for the device to display the 'Hello World' message onto a hyper-terminal.

MODIFICATION HISTORY:

Ver  Who  Date      Changes



1.0  sg   09/18/17  First Release
1.2  rna  01/20/20  Add self test

Functions
int	UartPsvHelloWorldExample (u16 DeviceId)
	This function sends 'Hello World' to an external terminal in polled mode. More...
int	main (void)
	Main function to call the Hello World example. More...

Function Documentation

int main

(

void

)

Main function to call the Hello World example.

Returns

• XST_FAILURE if the Test Failed .
• A non-negative number indicating the number of characters sent.

Note

None

References UartPsvHelloWorldExample().

int UartPsvHelloWorldExample

(

u16

DeviceId

)

This function sends 'Hello World' to an external terminal in polled mode.

The purpose of this function is to illustrate how to use the XUartPsv driver.

Parameters

DeviceId

is the unique ID for the device from hardware build.

Returns

• XST_FAILURE if the UART driver could not be initialized successfully.
• A non-negative number indicating the number of characters sent.

Note

None.

References XUartPsv_Config::BaseAddress, XUartPsv_CfgInitialize(), XUartPsv_LookupConfig(), XUartPsv_SelfTest(), and XUartPsv_Send().

Referenced by main().