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/**
* @file
*
* @ingroup bsp_kit
*
* @brief Output character implementation for standard UARTs.
*/
/*
* Copyright (c) 2010-2011 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <rtems/bspIo.h>
#include <bsp/uart-output-char.h>
static void uart_output_raw(char c)
{
while ((CONSOLE_LSR & CONSOLE_LSR_THRE) == 0) {
/* Wait */
}
CONSOLE_THR = c;
}
static void uart_output(char c)
{
if (c == '\n') {
uart_output_raw('\r');
}
uart_output_raw(c);
}
static int uart_input(void)
{
if ((CONSOLE_LSR & CONSOLE_LSR_RDR) != 0) {
return CONSOLE_RBR;
} else {
return -1;
}
}
BSP_output_char_function_type BSP_output_char = uart_output;
BSP_polling_getchar_function_type BSP_poll_char = uart_input;
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