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#ifndef _UART_H_
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/* uart.h. UART constant definitions.
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#define _UART_H_
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Copyright (C) 2004, Jacob Bower
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Copyright (C) 2010, Embecosm Limited <info@embecosm.com>
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This file is part of Newlib.
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The original work by Jacob Bower is provided as-is without any kind of
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warranty. Use it at your own risk!
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All subsequent work is bound by version 3 of the GPL as follows.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http:#www.gnu.org/licenses/>. */
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/* -------------------------------------------------------------------------- */
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/* This program is commented throughout in a fashion suitable for processing
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with Doxygen. */
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/* -------------------------------------------------------------------------- */
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#ifndef UART__H
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#define UART__H
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#define UART_RX 0 /* In: Receive buffer (DLAB=0) */
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#define UART_RX 0 /* In: Receive buffer (DLAB=0) */
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#define UART_TX 0 /* Out: Transmit buffer (DLAB=0) */
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#define UART_TX 0 /* Out: Transmit buffer (DLAB=0) */
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#define UART_DLL 0 /* Out: Divisor Latch Low (DLAB=1) */
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#define UART_DLL 0 /* Out: Divisor Latch Low (DLAB=1) */
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#define UART_DLM 1 /* Out: Divisor Latch High (DLAB=1) */
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#define UART_DLM 1 /* Out: Divisor Latch High (DLAB=1) */
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#define UART_EFR_CTS 0x80 /* CTS flow control */
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#define UART_EFR_CTS 0x80 /* CTS flow control */
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#define UART_EFR_RTS 0x40 /* RTS flow control */
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#define UART_EFR_RTS 0x40 /* RTS flow control */
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#define UART_EFR_SCD 0x20 /* Special character detect */
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#define UART_EFR_SCD 0x20 /* Special character detect */
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#define UART_EFR_ENI 0x10 /* Enhanced Interrupt */
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#define UART_EFR_ENI 0x10 /* Enhanced Interrupt */
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void uart_init(void);
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/* The library functions defined here, avoiding namespace polution. */
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void uart_putc(char c);
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extern void _uart_init ();
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char uart_getc(void);
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extern void _uart_putc (char c);
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extern char _uart_getc ();
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#endif /* _UART_H_ */
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#endif /* UART__H */
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