/* Copyright (c) 2009 Dmitry Xmelkov All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* $Id$ */ #ifndef __DOXYGEN__ #include <avr/io.h> #if E2END && __AVR_ARCH__ > 1 #include <avr/eeprom.h> #include "asmdef.h" #include "eedef.h" /* uint32_t eeprom_read_dword (const uint32_t *addr); float eeprom_read_float (const float *addr); */ ENTRY eeprom_read_dword ENTRY eeprom_read_float #if __AVR_XMEGA__ XCALL eeprom_mapen ld r22, Z ldd r23, Z+1 ldd r24, Z+2 ldd r25, Z+3 ret #else ldi XL, 22 ; start address to write: r22 # if RAMEND > 0xFF ldi XH, 0 # endif ldi n_lo, lo8(4) # if E2END > 0xFF ldi n_hi, hi8(4) # endif XJMP eeprom_read_blraw #endif ENDFUNC #endif /* E2END && __AVR_ARCH__ > 1 */ #endif /* !__DOXYGEN__ */