uart.h File Reference

Minimal UART0 driver. More...

#include <stdint.h>

Go to the source code of this file.

Functions
char	uart_getc (void)
void	uart_putc (char c)
void	uart_puts (const char *s)
void	uart_puth (uint32_t num)
int	uart_getw (uint32_t *rdata)

Detailed Description

Minimal UART0 driver.

Function Documentation

uart_getc()

char uart_getc

(

void

)

Read single char from UART0.

Returns

Received char.

uart_getw()

int uart_getw

(

uint32_t *

rdata

)

Read 32-bit binary word from UART0.

Parameters

[in,out]

rdata

Pointer for returned data (uint32_t).

Returns

0 if success, != 0 if error

uart_putc()

void uart_putc

(

char

c

)

Print single char via UART0.

Note

Converts LF ("\n") to CR+LF ("\r\n").

Parameters

[in]

c

Character to print.

uart_puth()

void uart_puth

(

uint32_t

num

)

Print 32-bit number as 8-digit hexadecimal value with "0x" suffix via UART0.

Parameters

[in]

num

Number to print as hexadecimal.

uart_puts()

void uart_puts

(

const char *

s

)

Print zero-terminated string via UART0.

Parameters

[in]

s

Pointer to string.