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47 lines
842 B
C
47 lines
842 B
C
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/*
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* common/uart.h - UART initialization and debug output
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*
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* Written 2008 by Werner Almesberger
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* Copyright 2008 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef UART_H
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#define UART_H
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#include <stdint.h>
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#include <stdio.h>
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#include "config.h"
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#ifdef CONFIG_DEBUG
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#define debug printk
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#define CONFIG_PRINTK
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#else
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#define debug(...)
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#endif
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#ifdef CONFIG_ERROR
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#define error printk
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#define CONFIG_PRINTK
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#else
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#define error(...)
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#endif
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#ifdef CONFIG_PRINTK
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#define printk printf_fast
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#else
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#define printk(...)
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#endif
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void putchar(char c);
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void uart_init(uint8_t brg_mhz);
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#endif /* !UART_H */
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