138 lines
4.5 KiB
C
138 lines
4.5 KiB
C
/*
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* Copyright (c) 2016, Michael Spoerk
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \addtogroup cc13xx-cc26xx-rf-ble-addr
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* @{
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*
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* \file
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* Implementation of the CC13xx/CC26xx IEEE addresses driver.
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* \author
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* Michael Spoerk <mi.spoerk@gmail.com>
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* Edvard Pettersen <e.pettersen@ti.com>
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "dev/ble-hal.h"
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#include "net/linkaddr.h"
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#include "rf/ble-addr.h"
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/*---------------------------------------------------------------------------*/
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#include <ti/devices/DeviceFamily.h>
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#include DeviceFamily_constructPath(inc/hw_memmap.h)
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#include DeviceFamily_constructPath(inc/hw_fcfg1.h)
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#include DeviceFamily_constructPath(inc/hw_ccfg.h)
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/*---------------------------------------------------------------------------*/
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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#define BLE_MAC_PRIMARY_ADDRESS (FCFG1_BASE + FCFG1_O_MAC_BLE_0)
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#define BLE_MAC_SECONDARY_ADDRESS (CCFG_BASE + CCFG_O_IEEE_BLE_0)
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/*---------------------------------------------------------------------------*/
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uint8_t *
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ble_addr_ptr(void)
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{
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volatile const uint8_t *const primary = (uint8_t *)BLE_MAC_PRIMARY_ADDRESS;
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volatile const uint8_t *const secondary = (uint8_t *)BLE_MAC_SECONDARY_ADDRESS;
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/*
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* Reading from primary location...
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* ...unless we can find a byte != 0xFF in secondary
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*
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* Intentionally checking all bytes here instead of len, because we
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* are checking validity of the entire address irrespective of the
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* actual number of bytes the caller wants to copy over.
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*/
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size_t i;
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for(i = 0; i < BLE_ADDR_SIZE; i++) {
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if(secondary[i] != 0xFF) {
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/* A byte in secondary is not 0xFF. Use secondary address. */
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return (uint8_t *)secondary;
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}
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}
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/* All bytes in secondary is 0xFF. Use primary address. */
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return (uint8_t *)primary;
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}
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/*---------------------------------------------------------------------------*/
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int
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ble_addr_cpy(uint8_t *dst)
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{
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if(!dst) {
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return -1;
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}
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volatile const uint8_t *const ble_addr = ble_addr_ptr();
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/*
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* We have chosen what address to read the BLE address from. Do so,
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* inverting byte order
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*/
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size_t i;
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for(i = 0; i < BLE_ADDR_SIZE; i++) {
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dst[i] = ble_addr[BLE_ADDR_SIZE - 1 - i];
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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ble_addr_to_eui64(uint8_t *dst, uint8_t *src)
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{
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if(!dst || !src) {
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return -1;
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}
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memcpy(dst, src, 3);
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dst[3] = 0xFF;
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dst[4] = 0xFE;
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memcpy(&dst[5], &src[3], 3);
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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ble_addr_to_eui64_cpy(uint8_t *dst)
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{
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if(!dst) {
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return -1;
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}
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int res;
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uint8_t ble_addr[BLE_ADDR_SIZE];
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res = ble_addr_cpy(ble_addr);
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if(res) {
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return -1;
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}
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return ble_addr_to_eui64(dst, ble_addr);
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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