mirror of
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This commit adds a 1wire subsystem.
Squashed commit of the following: Author: Gregory Nutt <gnutt@nuttx.org> Some cosmetic changes from coding style review. Author: Juha Niskanen <juha.niskanen@haltian.com> drivers/1wire: add 1-wire subsystem and ds28e17 driver
This commit is contained in:
committed by
Gregory Nutt
parent
b4c1ac0659
commit
797d9b1822
640
drivers/1wire/1wire.c
Normal file
640
drivers/1wire/1wire.c
Normal file
File diff suppressed because it is too large
Load Diff
159
drivers/1wire/1wire_crc.c
Normal file
159
drivers/1wire/1wire_crc.c
Normal file
@@ -0,0 +1,159 @@
|
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/****************************************************************************
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* drivers/1wire/1wire_crc.c
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*
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* Copyright (C) 2018 Haltian Ltd. All rights reserved.
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* Author: Juha Niskanen <juha.niskanen@haltian.com>
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*
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. 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.
|
||||
* 3. Neither the name NuttX nor the names of its 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.
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||||
*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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#include "1wire_internal.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/* Compute a Dallas Semiconductor 8 bit CRC. */
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uint8_t onewire_crc8(FAR const uint8_t *input, uint8_t len)
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{
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uint8_t crc = 0;
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while (len-- > 0)
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{
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int i;
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uint8_t inbyte = *input++;
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for (i = 0; i < 8; i++)
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{
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uint8_t mix = (crc ^ inbyte) & 0x01;
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crc >>= 1;
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if (mix)
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crc ^= 0x8c;
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inbyte >>= 1;
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}
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}
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return crc;
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}
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/* Compute a Dallas Semiconductor 16 bit CRC. This is used to check
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* the integrity of received data from many 1-wire devices.
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*
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* Note: the CRC-16 computed here is not what you'll get from the 1-wire
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* network, because:
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* - The CRC-16 is transmitted bitwise inverted.
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* - The binary representation of the return value may have a different
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* byte order than the two bytes you get from 1-wire due to endian-ness.
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*/
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uint16_t onewire_crc16(FAR const uint8_t *input, uint16_t len,
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uint16_t initial_crc)
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{
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uint16_t crc = initial_crc;
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while (len-- > 0)
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{
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int i;
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uint8_t inbyte = *input++;
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for (i = 0; i < 8; i++)
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{
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uint8_t mix = ((crc & 0xff) ^ inbyte) & 0x01;
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crc >>= 1;
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if (mix)
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{
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crc ^= 0xa001;
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}
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inbyte >>= 1;
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}
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}
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return crc;
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}
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/****************************************************************************
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* Name: onewire_valid_rom
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*
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* Description:
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* Check CRC-8 of received input
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*
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* Input Parameters:
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* rom - 64-bit rom code
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*
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* Returned Value:
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* true if CRC-8 of rom matches
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*
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****************************************************************************/
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bool onewire_valid_rom(uint64_t rom)
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{
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uint8_t crc;
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uint8_t buf[8];
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memcpy(buf, &rom, sizeof(buf));
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crc = onewire_crc8(buf, 7);
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return crc == buf[7];
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}
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/****************************************************************************
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* Name: onewire_check_crc16
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*
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* Description:
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* Check CRC-16 of received input
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*
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* Input Parameters:
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* input - Array of bytes to checksum
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* len - Length of input
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* inverted_crc - The two CRC16 bytes in the received data
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*
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* Returned Value:
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* true if CRC-16 matches
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*
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****************************************************************************/
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bool onewire_check_crc16(FAR const uint8_t *input, uint16_t len,
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FAR const uint8_t *inverted_crc)
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{
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uint16_t crc;
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crc = ~onewire_crc16(input, len, 0);
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return (crc & 0xff) == inverted_crc[0] && (crc >> 8) == inverted_crc[1];
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}
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180
drivers/1wire/1wire_internal.h
Normal file
180
drivers/1wire/1wire_internal.h
Normal file
@@ -0,0 +1,180 @@
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/****************************************************************************
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* drivers/1wire/1wire_internal.h
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*
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* Copyright (C) 2018 Haltian Ltd. All rights reserved.
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* Author: Juha Niskanen <juha.niskanen@haltian.com>
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*
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. 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.
|
||||
* 3. Neither the name NuttX nor the names of its 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
|
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __DRIVERS_1WIRE_1WIRE_INTERNAL_H
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#define __DRIVERS_1WIRE_1WIRE_INTERNAL_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdbool.h>
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#include <semaphore.h>
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct onewire_dev_s;
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struct onewire_sem_s
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{
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sem_t sem;
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pid_t holder; /* The current holder of the semaphore */
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int16_t count; /* Number of counts held */
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};
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struct onewire_master_s
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{
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FAR struct onewire_dev_s *dev; /* 1-Wire lower half */
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struct onewire_sem_s devsem; /* Re-entrant semaphore */
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int nslaves; /* Number of 1-wire slaves */
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int maxslaves; /* Maximum number of 1-wire slaves */
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bool insearch; /* If we are in middle of 1-wire search */
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};
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struct onewire_slave_s
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{
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FAR struct onewire_master_s *master; /* Slave's bus master */
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uint64_t romcode; /* Unique ROM id in bus */
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/* CRC helpers from 1wire_crc.c */
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uint8_t onewire_crc8(FAR const uint8_t *input, uint8_t len);
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uint16_t onewire_crc16(FAR const uint8_t *input, uint16_t len,
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uint16_t initial_crc);
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bool onewire_valid_rom(uint64_t rom);
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bool onewire_check_crc16(FAR const uint8_t *input, uint16_t len,
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FAR const uint8_t *inverted_crc);
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/* Rest are from 1wire.c */
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void onewire_sem_wait(FAR struct onewire_master_s *master);
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void onewire_sem_post(FAR struct onewire_master_s *master);
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int onewire_addslave(FAR struct onewire_master_s *master,
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FAR struct onewire_slave_s *slave);
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int onewire_removeslave(FAR struct onewire_master_s *master,
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FAR struct onewire_slave_s *slave);
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/****************************************************************************
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* Name: onewire_reset_resume
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*
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* Description:
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*
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****************************************************************************/
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int onewire_reset_resume(FAR struct onewire_master_s *master);
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/****************************************************************************
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* Name: onewire_reset_select
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*
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* Description:
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*
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****************************************************************************/
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int onewire_reset_select(FAR struct onewire_slave_s *slave);
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/****************************************************************************
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* Name: onewire_triplet
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*
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* Description:
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* Used by 1-wire search algorithm. Reads two bits and writes
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* one based on comparison of read bits.
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*
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* Input Parameters:
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* search_bit - Bit to write if both id_bit and cmp_id_bit match
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*
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* Output Parameters:
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* taken_bit - Bit indicating the direction where the search is
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* progressing.
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*
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* Return Value:
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* Number of valid bits or negative on error.
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*
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****************************************************************************/
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int onewire_triplet(FAR struct onewire_master_s *master,
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uint8_t search_bit,
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FAR uint8_t *taken_bit);
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/****************************************************************************
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* Name: onewire_search
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*
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* Description:
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* Search all devices from a 1-wire network. This is the 1-wire search
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* algorithm from Maxim Application Note 187.
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*
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* Input Parameters:
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* master - Pointer to the allocated 1-wire interface
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* family - Limit search to devices of matching family
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* alarmonly - Limit search to devices on alarm state
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* cb_search - Callback to call on each device found
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* arg - Argument passed to cb_search
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*
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* Return Value:
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* Number of slaves present and matching family.
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*
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****************************************************************************/
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int onewire_search(FAR struct onewire_master_s *master,
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int family,
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bool alarmonly,
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CODE void (*cb_search)(int family, uint64_t romcode, FAR void *arg),
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FAR void *arg);
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/****************************************************************************
|
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* Name: onewire_initialize
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*
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* Description:
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* Return 1-wire bus master from 1-wire lower half device.
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*
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* Input Parameters:
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* dev - Pointer to the allocated 1-wire lower half
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* maxslaves - Maximum number of 1-wire slave devices
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*
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****************************************************************************/
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FAR struct onewire_master_s *
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onewire_initialize(FAR struct onewire_dev_s *dev, int maxslaves);
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#endif /* __DRIVERS_1WIRE_1WIRE_INTERNAL_H */
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15
drivers/1wire/Kconfig
Normal file
15
drivers/1wire/Kconfig
Normal file
@@ -0,0 +1,15 @@
|
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#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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if 1WIRE
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config 1WIRE_DS28E17
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bool "DS28E17 1-wire to I2C converter"
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default n
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depends on I2C
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---help---
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Enable support for the Maxim DS28E17 1-wire to I2C converter
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endif # 1WIRE
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49
drivers/1wire/Make.defs
Normal file
49
drivers/1wire/Make.defs
Normal file
@@ -0,0 +1,49 @@
|
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############################################################################
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# drivers/1wire/Make.defs
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#
|
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# Copyright (C) 2018 Gregory Nutt. All rights reserved.
|
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
|
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# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions
|
||||
# are met:
|
||||
#
|
||||
# 1. Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
# 2. 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.
|
||||
# 3. Neither the name NuttX nor the names of its 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.
|
||||
#
|
||||
############################################################################
|
||||
|
||||
ifeq ($(CONFIG_1WIRE),y)
|
||||
|
||||
CSRCS += 1wire.c 1wire_crc.c
|
||||
|
||||
ifeq ($(CONFIG_1WIRE_DS28E17),y)
|
||||
CSRCS += ds28e17.c
|
||||
endif
|
||||
|
||||
# Include 1wire device driver build support
|
||||
|
||||
DEPPATH += --dep-path 1wire
|
||||
VPATH += :1wire
|
||||
CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)1wire}
|
||||
endif
|
||||
872
drivers/1wire/ds28e17.c
Normal file
872
drivers/1wire/ds28e17.c
Normal file
File diff suppressed because it is too large
Load Diff
@@ -477,4 +477,12 @@ menuconfig DRIVERS_CONTACTLESS
|
||||
|
||||
source drivers/contactless/Kconfig
|
||||
|
||||
menuconfig 1WIRE
|
||||
bool "1wire Device Support"
|
||||
default n
|
||||
---help---
|
||||
Drivers for various 1wire devices.
|
||||
|
||||
source drivers/1wire/Kconfig
|
||||
|
||||
source drivers/syslog/Kconfig
|
||||
|
||||
@@ -78,6 +78,7 @@ include usbmonitor$(DELIM)Make.defs
|
||||
include video$(DELIM)Make.defs
|
||||
include wireless$(DELIM)Make.defs
|
||||
include contactless$(DELIM)Make.defs
|
||||
include 1wire$(DELIM)Make.defs
|
||||
|
||||
ifneq ($(CONFIG_NFILE_DESCRIPTORS),0)
|
||||
CSRCS += dev_null.c dev_zero.c
|
||||
|
||||
139
include/nuttx/1wire/ds28e17.h
Normal file
139
include/nuttx/1wire/ds28e17.h
Normal file
@@ -0,0 +1,139 @@
|
||||
/****************************************************************************
|
||||
* include/nuttx/1wire/ds28e17.h
|
||||
*
|
||||
* Copyright (C) 2018 Haltian Ltd. All rights reserved.
|
||||
* Author: Juha Niskanen <juha.niskanen@haltian.com>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. 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.
|
||||
* 3. Neither the name NuttX nor the names of its 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __INCLUDE_NUTTX_1WIRE_DS28E17_H
|
||||
#define __INCLUDE_NUTTX_1WIRE_DS28E17_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdint.h>
|
||||
#include <nuttx/drivers/1wire.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* Default how many converters in a bus. */
|
||||
|
||||
#define DS_DEFAULT_MAXSLAVES 10
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
struct ds28e17_dev_s;
|
||||
struct i2c_master_s;
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ds28e17_search
|
||||
*
|
||||
* Description:
|
||||
* Search all DS28E17 devices from a 1-wire network.
|
||||
*
|
||||
* Input Parameters:
|
||||
* priv - Pointer to the associated DS28E17
|
||||
* cb_search - Callback to call on each device found
|
||||
* arg - Argument passed to cb_search
|
||||
*
|
||||
* Return Value:
|
||||
* Number of DS28E17 devices present.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int ds28e17_search(FAR struct ds28e17_dev_s *priv,
|
||||
CODE void (*cb_search)(int family, uint64_t romcode, FAR void *arg),
|
||||
FAR oid *arg);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ds28e17_lower_half
|
||||
*
|
||||
* Description:
|
||||
* Initialize the lower half of the DS28E17 by creating a i2c_master_s
|
||||
* for the virtual i2c master and link it to the associated DS28E17 and
|
||||
* its port.
|
||||
*
|
||||
* Input Parameters:
|
||||
* priv - Pointer to the associated DS28E17
|
||||
* romcode - The unique 64-bit address in 1-wire network.
|
||||
* Use zero for skip-ROM mode.
|
||||
*
|
||||
* Returned Value:
|
||||
* i2c device instance; NULL on failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
FAR struct i2c_master_s *ds28e17_lower_half(FAR struct ds28e17_dev_s *priv,
|
||||
uint64_t romcode);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ds28e17_lower_half_unregister
|
||||
*
|
||||
* Description:
|
||||
* Put back the lower half of the DS28E17.
|
||||
*
|
||||
* Input Parameters:
|
||||
* priv - Pointer to the associated DS28E17
|
||||
* i2cdev - i2c device instance from ds28e17_lower_half()
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero on success; a negated errno value on failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int ds28e17_lower_half_unregister(FAR struct ds28e17_dev_s *priv,
|
||||
FAR struct i2c_master_s *i2cdev);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ds28e17_initialize
|
||||
*
|
||||
* Description:
|
||||
* Returns a common DS28E17 device from 1-wire lower half device
|
||||
*
|
||||
* Input Parameters:
|
||||
* dev - The allocated 1-wire lower half
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
FAR struct ds28e17_dev_s *ds28e17_initialize(FAR struct onewire_dev_s *dev);
|
||||
|
||||
#endif /* __INCLUDE_NUTTX_1WIRE_DS28E17_H */
|
||||
@@ -48,6 +48,18 @@
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* Supported 1-Wire commands */
|
||||
|
||||
#define ONEWIRE_CMD_SEARCH 0xf0
|
||||
#define ONEWIRE_CMD_ALARM_SEARCH 0xec
|
||||
#define ONEWIRE_CMD_SKIP_ROM 0xcc
|
||||
#define ONEWIRE_CMD_COPY_SCRATCHPAD 0x48
|
||||
#define ONEWIRE_CMD_WRITE_SCRATCHPAD 0x4e
|
||||
#define ONEWIRE_CMD_READ_SCRATCHPAD 0xbe
|
||||
#define ONEWIRE_CMD_READ_ROM 0x33
|
||||
#define ONEWIRE_CMD_MATCH_ROM 0x55
|
||||
#define ONEWIRE_CMD_RESUME 0xa5
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ONEWIRE_RESET
|
||||
*
|
||||
|
||||
@@ -217,10 +217,15 @@ static int btnet_advertise(FAR struct net_driver_s *dev)
|
||||
|
||||
DEBUGASSERT(dev != NULL && dev->d_private != NULL);
|
||||
|
||||
/* Get the 6-byte local address from the device */
|
||||
#warning Missing logic
|
||||
/* Get the 6-byte local address from the device.
|
||||
*
|
||||
* REVISIT: The use of the g_btdev global restricts the implementation to
|
||||
* a single Bluetooth device.
|
||||
*/
|
||||
|
||||
/* Set the MAC address using that address */
|
||||
addr = g_btdev.bdaddr.val
|
||||
|
||||
/* Set the MAC address using 6-byte local address from the device. */
|
||||
|
||||
BLUETOOTH_ADDRCOPY(dev->d_mac.radio.nv_addr, addr);
|
||||
dev->d_mac.radio.nv_addrlen = BLUETOOTH_ADDRSIZE;
|
||||
@@ -228,15 +233,16 @@ static int btnet_advertise(FAR struct net_driver_s *dev)
|
||||
#ifdef CONFIG_NET_IPv6
|
||||
/* Set the IP address based on the 6-byte address */
|
||||
|
||||
dev->d_ipv6addr[0] = HTONS(0xfe80);
|
||||
dev->d_ipv6addr[1] = 0;
|
||||
dev->d_ipv6addr[2] = 0;
|
||||
dev->d_ipv6addr[3] = 0;
|
||||
dev->d_ipv6addr[4] = HTONS(0x0200);
|
||||
dev->d_ipv6addr[5] = (uint16_t)addr[0] << 8 | (uint16_t)addr[1];
|
||||
dev->d_ipv6addr[6] = (uint16_t)addr[2] << 8 | (uint16_t)addr[3];
|
||||
dev->d_ipv6addr[7] = (uint16_t)addr[4] << 8 | (uint16_t)addr[5];
|
||||
dev->d_ipv6addr[0] = HTONS(0xfe80);
|
||||
dev->d_ipv6addr[1] = 0;
|
||||
dev->d_ipv6addr[2] = 0;
|
||||
dev->d_ipv6addr[3] = 0;
|
||||
dev->d_ipv6addr[4] = HTONS(0x0200);
|
||||
dev->d_ipv6addr[5] = (uint16_t)addr[0] << 8 | (uint16_t)addr[1];
|
||||
dev->d_ipv6addr[6] = (uint16_t)addr[2] << 8 | (uint16_t)addr[3];
|
||||
dev->d_ipv6addr[7] = (uint16_t)addr[4] << 8 | (uint16_t)addr[5];
|
||||
#endif
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user