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81 lines
3.2 KiB
C
81 lines
3.2 KiB
C
/*
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* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
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* to the MC1322x project (http://mc1322x.devl.org)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of libmc1322x: see http://mc1322x.devl.org
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* for details.
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*
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* $Id$
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*/
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#ifndef UART1_H
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#define UART1_H
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#include <stdint.h>
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#define UCON (0)
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/* UCON bits */
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#define UCON_SAMP 10
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#define UCON_SAMP_8X 0
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#define UCON_SAMP_16X 1
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#define USTAT (0x04)
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#define UDATA (0x08)
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#define URXCON (0x0c)
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#define UTXCON (0x10)
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#define UCTS (0x14)
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#define UBRCNT (0x18)
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#define UART1_BASE (0x80005000)
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#define UART2_BASE (0x8000b000)
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#define UART1_UCON ((volatile uint32_t *) ( UART1_BASE + UCON ))
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#define UART1_USTAT ((volatile uint32_t *) ( UART1_BASE + USTAT ))
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#define UART1_UDATA ((volatile uint32_t *) ( UART1_BASE + UDATA ))
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#define UART1_URXCON ((volatile uint32_t *) ( UART1_BASE + URXCON ))
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#define UART1_UTXCON ((volatile uint32_t *) ( UART1_BASE + UTXCON ))
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#define UART1_UCTS ((volatile uint32_t *) ( UART1_BASE + UCTS ))
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#define UART1_UBRCNT ((volatile uint32_t *) ( UART1_BASE + UBRCNT ))
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#define UART2_UCON ((volatile uint32_t *) ( UART2_BASE + UCON ))
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#define UART2_USTAT ((volatile uint32_t *) ( UART2_BASE + USTAT ))
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#define UART2_UDATA ((volatile uint32_t *) ( UART2_BASE + UDATA ))
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#define UART2_URXCON ((volatile uint32_t *) ( UART2_BASE + URXCON ))
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#define UART2_UTXCON ((volatile uint32_t *) ( UART2_BASE + UTXCON ))
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#define UART2_UCTS ((volatile uint32_t *) ( UART2_BASE + UCTS ))
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#define UART2_UBRCNT ((volatile uint32_t *) ( UART2_BASE + UBRCNT ))
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extern volatile uint32_t u1_head, u1_tail;
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void uart1_putc(char c);
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#define uart1_can_get() (*UART1_URXCON > 0)
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uint8_t uart1_getc(void);
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#endif
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