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