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/* cmb-outbyte.c -- outbyte function for CMB1200 eval board.
*
* Copyright (c) 1999 Cygnus Support
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include <_ansi.h>
#define _TX 0x40
#define _SR 0x86
#define UART0_BASE 0x10009000
#define UART1_BASE 0x1000a000
#define UART_BASE UART0_BASE
#define TXREG ((volatile unsigned short *)(UART_BASE + _TX))
#define SRREG ((volatile unsigned short *)(UART_BASE + _SR))
#define TRDY 0x2000
#define GDB_QUOTE_CHAR 15 /* ^O */
/*
* outbyte -- send a byte to the UART.
*/
void
_DEFUN (outbyte, (ch),
char ch)
{
while (!(*SRREG & TRDY))
;
*TXREG = GDB_QUOTE_CHAR;
while (!(*SRREG & TRDY))
;
*TXREG = (unsigned short)ch;
}
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