mirror of
https://github.com/stargieg/bacnet-stack
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94 lines
4.2 KiB
C
94 lines
4.2 KiB
C
/************************************************************************
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*
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* Copyright (C) 2009 Steve Karg <skarg@users.sourceforge.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*************************************************************************/
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#include "hardware.h"
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#if defined(__GNUC__) && (__GNUC__ >= 4)
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/* AVR fuse settings for ATmega644P */
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FUSES = {
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/* == LOW FUSE or LFUSE settings == */
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/* CKSEL3..0- Clock Select Configuration
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CKSEL3 CKSEL2 CKSEL1 CKSEL0 Description
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1 1 1 x 1111-1000=Low Power Crystal Oscillator
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0 1 1 x 0111-0110=Full Swing Crystal Oscillator
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0 1 0 x 0101-0100=Low Frequency Crystal Oscillator
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0 0 1 1 Internal 128kHz RC Oscillator
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0 0 1 0 Calibrated Internal RC Oscillator
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0 0 0 0 External Clock]
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SUT1..0 - Clock Start Up Time selection
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If CKSEL0=0, then SUT1..0 is 14CK+: 00=4.1ms,01=65ms,10=BOD,11=4.1ms
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If CKSEL0=1, then SUT1..0 is 14CK+: 00=65ms,01=BOD,10=4.1ms,11=65ms
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BOD means wait until internal Brown Out Detect Voltage is sufficient.
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*/
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/* CKOUT: clock output on CKOUT pin */
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/* CKDIV8: divide clock by 8 */
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/* External Ceramic Resonator - configuration */
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/* Full Swing Crystal Oscillator Clock Selection */
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/* Ceramic resonator, slowly rising power 1K CK 14CK + 65 ms */
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/* .low = (FUSE_CKSEL3 & FUSE_SUT0 & FUSE_SUT1), */
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/* Crystal Oscillator, 16K CK + 14CK + BOD Enabled */
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/* note: fuses are enabled by clearing the bit, so
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any fuses listed below are cleared fuses,
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or are CKSEL or SUT bits that are zero. */
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.low = (FUSE_CKSEL3 & FUSE_SUT1),
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/* == HIGH FUSE or HFUSE settings == */
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/* BOOTRST: Enable Bootloader Reset Vector */
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/* EESAVE: Enable preserve EEPROM on Chip Erase */
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/* WDTON: Enable watchdog timer always on */
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/* SPIEN: Enable Serial Program and Data Downloading */
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/* JTAGEN: Enable JTAG */
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/* OCDEN: Enable OCD */
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/* BOOTSZ configuration:
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BOOTSZ1 BOOTSZ0 Boot Size
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------- ------- ---------
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1 1 512
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1 0 1024
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0 1 2048
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0 0 4096
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*/
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/* note: fuses are enabled by clearing the bit, so
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any fuses listed below are cleared fuses,
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or are BOOTSZ bits that are zero. */
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.high = (FUSE_BOOTSZ1 & FUSE_EESAVE & FUSE_SPIEN & FUSE_JTAGEN),
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/* == EXTENDED FUSE or EFUSE settings == */
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/* BODLEVEL configuration
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BODLEVEL2 BODLEVEL1 BODLEVEL0 Voltage
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--------- --------- --------- --------
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1 1 1 disabled
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1 1 0 1.8V
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1 0 1 2.7V
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1 0 0 4.3V
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*/
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/* note: fuses are enabled by clearing the bit, so
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any fuses listed below are cleared fuses,
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or are BODLEVEL bits that are zero. */
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/* Brown-out detection VCC=4.3V */
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.extended = (FUSE_BODLEVEL1 & FUSE_BODLEVEL0)
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};
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/* AVR lock bits - unlocked */
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LOCKBITS = LOCKBITS_DEFAULT;
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#endif
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