uart.h File Reference

#include <aa64hcode.h>
#include <stdint.h>

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Macros
#define	UART_DR   0x00
#define	UART_FR   0x18
#define	UART_IBRD   0x24
#define	UART_FBRD   0x28
#define	UART_LCR_H   0x2C
#define	UART_CR   0x30
#define	UART_IMSC   0x38
#define	UART_ICR   0x44
#define	UART_FR_TXFF   (1<<5)
#define	UART_FR_RXFE   (1<<4)
#define	UART_CR_UARTEN   (1<<0)
#define	UART_CR_TXE   (1<<8)
#define	UART_CR_RXE   (1<<9)
#define	UART_LCR_H_WLEN_8BIT   (0x3 << 5)
#define	UART_LCR_H_FEN   (1<<4)
#define	UART_IMSC_RXIM   (1<<4)
#define	UART_IMSC_RTIM   (1 << 6)
#define	UART0_BASE   UART0

Functions
void	UARTInitialize ()
	UARTInitialize – initialize uart serial output.
void	uartPutc (char c)
	uartPutc – put a single character to uart
void	uartPuts (const char *s)
	uartPuts –serial output interface
void	UARTDebugOut (const char *format,...)

Macro Definition Documentation

UART0_BASE

#define UART0_BASE   UART0

UART_CR

#define UART_CR   0x30

UART_CR_RXE

#define UART_CR_RXE   (1<<9)

UART_CR_TXE

#define UART_CR_TXE   (1<<8)

UART_CR_UARTEN

#define UART_CR_UARTEN   (1<<0)

UART_DR

#define UART_DR   0x00

BSD 2-Clause License

Copyright (c) 2022-2025, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

UART_FBRD

#define UART_FBRD   0x28

UART_FR

#define UART_FR   0x18

UART_FR_RXFE

#define UART_FR_RXFE   (1<<4)

UART_FR_TXFF

#define UART_FR_TXFF   (1<<5)

UART_IBRD

#define UART_IBRD   0x24

UART_ICR

#define UART_ICR   0x44

UART_IMSC

#define UART_IMSC   0x38

UART_IMSC_RTIM

#define UART_IMSC_RTIM   (1 << 6)

UART_IMSC_RXIM

#define UART_IMSC_RXIM   (1<<4)

UART_LCR_H

#define UART_LCR_H   0x2C

UART_LCR_H_FEN

#define UART_LCR_H_FEN   (1<<4)

UART_LCR_H_WLEN_8BIT

#define UART_LCR_H_WLEN_8BIT   (0x3 << 5)

Function Documentation

UARTDebugOut()

void UARTDebugOut ( const char *  format,   ...  )

extern

UARTInitialize()

void UARTInitialize ( )

extern

UARTInitialize – initialize uart serial output.

uartPutc()

void uartPutc ( char  c )

extern

uartPutc – put a single character to uart

Parameters

c	– character to print

uartPuts()

void uartPuts ( const char *  s )

extern

uartPuts –serial output interface

Parameters

s

– String