mirror of
https://github.com/stargieg/bacnet-stack
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85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
/************************************************************************
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*
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* Copyright (C) 2013 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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#ifndef NVM_DATA_H
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#define NVM_DATA_H
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#include <avr/eeprom.h>
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/* compatible functions could put in nvm.h to abstract more */
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#define nvm_write(dst, src, len) \
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eeprom_write_block((uint8_t *)(src),(uint8_t *)(dst), (size_t)(len))
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#define nvm_read(src, dst, len) \
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eeprom_read_block((uint8_t *)dst, (const uint8_t *)(src),(size_t)(len))
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/*=============== EEPROM ================*/
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/* define EEPROM signature version */
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#define NVM_SIGNATURE 0
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#define NVM_VERSION 1
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/* define the MAC, BAUD, MAX Master, Device Instance internal
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so that bootloader *could* use them. */
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/* note: MAC could come from DIP switch, or be in non-volatile memory */
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#define NVM_MAC_ADDRESS 2
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/* 9=9.6k, 19=19.2k, 38=38.4k, 57=57.6k, 76=76.8k, 115=115.2k */
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#define NVM_BAUD_K 3
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#define NVM_MAX_MASTER 4
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/* device instance is only 22 bits - easier if we use 32 bits */
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#define NVM_DEVICE_0 5
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#define NVM_DEVICE_1 6
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#define NVM_DEVICE_2 7
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#define NVM_DEVICE_3 8
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/* free space - 9..31 */
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/* BACnet Names - 32 bytes of data each */
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#define NVM_NAME_LENGTH(n) ((n)+0)
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#define NVM_NAME_ENCODING(n) ((n)+1)
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#define NVM_NAME_STRING(n) ((n)+2)
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#define NVM_NAME_SIZE 30
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#define NVM_NAME_OFFSET (1+1+NVM_NAME_SIZE)
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/* Device Name - starting offset */
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#define NVM_DEVICE_NAME 32
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/* Device Description - starting offset */
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#define NVM_DEVICE_DESCRIPTION \
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(NVM_DEVICE_NAME+NVM_NAME_OFFSET)
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/* Device Location - starting offset */
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#define NVM_DEVICE_LOCATION \
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(NVM_DEVICE_DESCRIPTION+NVM_NAME_OFFSET)
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/* free space 128..4096 */
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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void nvm_data_init(void);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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