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/* avr-asm-macros.S */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
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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 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* File: avr-asm-macros.S
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* Author: Daniel Otte
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* Date: 2008-08-13
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* License: GPLv3 or later
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* Description: some macros which are quite usefull
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*
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*/
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#include <avr/io.h>
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/*******************************************************************************
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* MACRO SECTION *
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*******************************************************************************/
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.macro push_ p1:req, p2:vararg
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push \p1
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.ifnb \p2
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push_ \p2
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.endif
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.endm
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.macro pop_ p1:req, p2:vararg
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pop \p1
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.ifnb \p2
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pop_ \p2
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.endif
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.endm
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.macro push_range from:req, to:req
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push \from
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.if \to-\from
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push_range "(\from+1)",\to
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.endif
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.endm
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.macro pop_range from:req, to:req
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pop \to
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.if \to-\from
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pop_range \from,"(\to-1)"
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.endif
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.endm
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.macro stack_alloc size:req, reg1=r30, reg2=r31
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in r0, _SFR_IO_ADDR(SREG)
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in \reg1, _SFR_IO_ADDR(SPL)
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in \reg2, _SFR_IO_ADDR(SPH)
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sbiw \reg1, \size
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cli
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out _SFR_IO_ADDR(SPH), \reg2
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out _SFR_IO_ADDR(SREG), r0
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out _SFR_IO_ADDR(SPL), \reg1
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.endm
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.macro stack_free size:req, reg1=r30, reg2=r31
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in r0, _SFR_IO_ADDR(SREG)
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in \reg1, _SFR_IO_ADDR(SPL)
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in \reg2, _SFR_IO_ADDR(SPH)
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adiw \reg1, \size
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cli
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out _SFR_IO_ADDR(SPH), \reg2
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out _SFR_IO_ADDR(SREG), r0
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out _SFR_IO_ADDR(SPL), \reg1
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.endm
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.macro stack_alloc_large size:req, reg1=r30, reg2=r31
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in r0, _SFR_IO_ADDR(SREG)
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in \reg1, _SFR_IO_ADDR(SPL)
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in \reg2, _SFR_IO_ADDR(SPH)
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subi \reg1, lo8(\size)
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sbci \reg2, hi8(\size)
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cli
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out _SFR_IO_ADDR(SPH), \reg2
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out _SFR_IO_ADDR(SREG), r0
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out _SFR_IO_ADDR(SPL), \reg1
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.endm
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.macro stack_free_large size:req, reg1=r30, reg2=r31
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in r0, _SFR_IO_ADDR(SREG)
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in \reg1, _SFR_IO_ADDR(SPL)
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in \reg2, _SFR_IO_ADDR(SPH)
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adiw \reg1, 63
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adiw \reg1, (\size-63)
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cli
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out _SFR_IO_ADDR(SPH), \reg2
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out _SFR_IO_ADDR(SREG), r0
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out _SFR_IO_ADDR(SPL), \reg1
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.endm
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.macro stack_free_large2 size:req, reg1=r30, reg2=r31
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in r0, _SFR_IO_ADDR(SREG)
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in \reg1, _SFR_IO_ADDR(SPL)
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in \reg2, _SFR_IO_ADDR(SPH)
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adiw \reg1, 63
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adiw \reg1, 63
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adiw \reg1, (\size-63*2)
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cli
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out _SFR_IO_ADDR(SPH), \reg2
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out _SFR_IO_ADDR(SREG), r0
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out _SFR_IO_ADDR(SPL), \reg1
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.endm
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.macro stack_free_large3 size:req, reg1=r30, reg2=r31
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in r0, _SFR_IO_ADDR(SREG)
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in \reg1, _SFR_IO_ADDR(SPL)
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in \reg2, _SFR_IO_ADDR(SPH)
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push r16
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push r17
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ldi r16, lo8(\size)
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ldi r17, hi8(\size)
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add \reg1, r16
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adc \reg2, r17
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pop r17
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pop r16
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cli
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out _SFR_IO_ADDR(SPH), \reg2
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out _SFR_IO_ADDR(SREG), r0
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out _SFR_IO_ADDR(SPL), \reg1
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.endm
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.macro LOAD_IO reg:req io:req
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.if _SFR_IO_REG_P(\io)
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in \reg, _SFR_IO_ADDR(\io)
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.else
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lds \reg, _SFR_MEM_ADDR(\io)
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.endif
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.endm
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.macro STORE_IO io:req reg:req
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.if _SFR_IO_REG_P(\io)
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out _SFR_IO_ADDR(\io), \reg
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.else
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sts _SFR_MEM_ADDR(\io), \reg
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.endif
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.endm
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.macro CLEAR_BIT_IO io:req bit:req reg:req
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.if _SFR_IO_REG_P(\io)
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cbi _SFR_IO_ADDR(\io), bit
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.else
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lds \reg, _SFR_MEM_ADDR(\io)
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andi \reg, ~_BV(\bit)
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sts _SFR_MEM_ADDR(\io), \reg
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.endif
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.endm
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.macro SET_BIT_IO io:req bit:req reg:req
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.if _SFR_IO_REG_P(\io)
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sbi _SFR_IO_ADDR(\io),bit
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.else
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lds \reg, _SFR_MEM_ADDR(\io)
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ori \reg, _BV(\bit)
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sts _SFR_MEM_ADDR(\io), \reg
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.endif
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.endm
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/*******************************************************************************
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* END of MACRO SECTION *
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*******************************************************************************/
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/* config.h */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
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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 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __CONFIG_H__
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#define __CONFIG_H__
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#include <avr/io.h>
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// #define F_CPU 20000000
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#define F_CPU 16000000 /* Oszillator-Frequenz in Hz */
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// #define F_CPU 14745600
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#include "uart_defs.h"
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#define DEBUG uart
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/* uart.[ch] defines */
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#define UART_INTERRUPT 1
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#define UART_BAUD_RATE 38400
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#define UART_RXBUFSIZE 64
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#define UART_TXBUFSIZE 64
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#define UART_LINE_BUFFER_SIZE 40
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#define UART_XON_XOFF
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#define UART_XON_XOFF_THRESHOLD_1 (UART_RXBUFSIZE - 24)
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#define UART_XON_XOFF_THRESHOLD_2 (UART_RXBUFSIZE - 60)
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#undef UART_LEDS
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#define UART0_I 1
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#define UART0_BAUD_RATE 38400
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#define UART0_PARATY UART_PARATY_NONE
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#define UART0_STOPBITS UART_STOPBITS_1
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#define UART0_DATABITS UART_DATABITS_8
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#define UART0_RXBUFFER_SIZE 64
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#define UART0_TXBUFFER_SIZE 64
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#define UART0_SWFLOWCTRL 1
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#define UART0_THRESH_LOW 10
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#define UART0_THRESH_HIGH 48
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/*
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#define UART_HWFLOWCONTROL
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#define UART_RTS_PORT PORTA
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#define UART_RTS_DDR DDRA
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#define UART_CTS_PIN PINA
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#define UART_CTS_DDR DDRA
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#define UART_RTS_BIT 0
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#define UART_CTS_BIT 1
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*/
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//#define TWISTER_MUL_TABLE
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#define CLI_AUTO_HELP
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#endif
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/*
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This file is part of the AVR-uart_ni.
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Copyright (C) 2009 Daniel Otte (daniel.otte@rub.de)
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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 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* #include <util/setbaud.h> */
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/* we use a modifyed version of util/setbaud where the UL suffix is removed
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* since the preprocessor can not handle that.
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*/
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#ifndef F_CPU
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# error "uart_ni requires F_CPU to be defined"
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#endif
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#ifndef BAUD
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# error "uart_ni requires UART0_BAUD_RATE to be defined"
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#endif
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#if !(F_CPU)
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# error "F_CPU must be a constant value"
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#endif
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#if !(BAUD)
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# error "UART0_BAUD_RATE must be a constant value"
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#endif
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#undef USE_2X
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/* Baud rate tolerance is 2 % unless previously defined */
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#ifndef BAUD_TOL
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# define BAUD_TOL 2
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#endif
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#define UBRR_VALUE (((F_CPU) + 8 * (BAUD)) / (16 * (BAUD)) -1)
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#if 100 * (F_CPU) > \
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(16 * ((UBRR_VALUE) + 1)) * (100 * (BAUD) + (BAUD) * (BAUD_TOL))
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# define USE_2X 1
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#elif 100 * (F_CPU) < \
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(16 * ((UBRR_VALUE) + 1)) * (100 * (BAUD) - (BAUD) * (BAUD_TOL))
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# define USE_2X 1
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#else
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# define USE_2X 0
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#endif
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#if USE_2X
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/* U2X required, recalculate */
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#undef UBRR_VALUE
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#define UBRR_VALUE (((F_CPU) + 4 * (BAUD)) / (8 * (BAUD)) -1)
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#if 100 * (F_CPU) > \
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(8 * ((UBRR_VALUE) + 1)) * (100 * (BAUD) + (BAUD) * (BAUD_TOL))
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# warning "Baud rate achieved is higher than allowed"
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#endif
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#if 100 * (F_CPU) < \
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(8 * ((UBRR_VALUE) + 1)) * (100 * (BAUD) - (BAUD) * (BAUD_TOL))
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# warning "Baud rate achieved is lower than allowed"
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#endif
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#endif /* USE_U2X */
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#ifdef UBRR_VALUE
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# define UBRRL_VALUE ((UBRR_VALUE) & 0xff)
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# define UBRRH_VALUE ((UBRR_VALUE) >> 8)
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#endif
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