281 lines
9.3 KiB
C
281 lines
9.3 KiB
C
/*
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* Copyright (c) 2017, Graz University of Technology
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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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* \file
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* BLE radio for the TI CC26xx platform
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*
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* \author
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* Michael Spoerk <michael.spoerk@tugraz.at>
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "dev/radio.h"
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#include "os/dev/ble-hal.h"
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#include "rf-core/ble-hal/ble-hal-cc26xx.h"
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#include <stdint.h>
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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#include "sys/log.h"
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#define LOG_MODULE "RADIO"
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#define LOG_LEVEL LOG_LEVEL_MAIN
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/*---------------------------------------------------------------------------*/
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static uint16_t adv_interval;
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static ble_adv_type_t adv_type;
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static ble_addr_type_t adv_own_addr_type;
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static uint8_t adv_channel_map;
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static uint16_t buffer_size = 0;
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/*---------------------------------------------------------------------------*/
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static uint16_t scan_interval;
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static uint16_t scan_window;
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static ble_scan_type_t scan_type;
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static ble_addr_type_t scan_own_addr_type;
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/*---------------------------------------------------------------------------*/
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static ble_addr_type_t initiator_peer_addr_type;
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static uint8_t initiator_peer_addr[BLE_ADDR_SIZE];
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/*---------------------------------------------------------------------------*/
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static uint16_t connection_interval;
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static uint16_t connection_latency;
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static uint16_t connection_timeout;
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/*---------------------------------------------------------------------------*/
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static int
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init(void)
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{
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int result = ble_hal.reset();
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return result == BLE_RESULT_OK;
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}
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/*---------------------------------------------------------------------------*/
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static int
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send(const void *payload, unsigned short payload_len)
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{
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uint8_t res;
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res = ble_hal.send((void *)payload, payload_len);
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LOG_DBG("ble-mode send() %d bytes\n", payload_len);
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if(res == BLE_RESULT_OK) {
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return RADIO_TX_OK;
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} else {
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LOG_ERR("ble-mode send() error: %d\n", res);
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return RADIO_TX_ERR;
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}
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}
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/*---------------------------------------------------------------------------*/
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static int
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on(void)
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{
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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static int
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off(void)
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{
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ble_hal.disconnect(0, 0);
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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static radio_result_t
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get_value(radio_param_t param, radio_value_t *value)
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{
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unsigned int temp;
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if(!value) {
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return RADIO_RESULT_INVALID_VALUE;
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}
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switch(param) {
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case RADIO_CONST_CHANNEL_MIN:
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*value = BLE_DATA_CHANNEL_MIN;
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return RADIO_RESULT_OK;
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case RADIO_CONST_CHANNEL_MAX:
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*value = BLE_DATA_CHANNEL_MAX;
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return RADIO_RESULT_OK;
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case RADIO_CONST_BLE_BUFFER_SIZE:
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if(buffer_size == 0) {
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ble_hal.read_buffer_size((unsigned int *)&buffer_size, &temp);
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}
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memcpy(value, &buffer_size, 2);
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return RADIO_RESULT_OK;
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case RADIO_CONST_BLE_BUFFER_AMOUNT:
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ble_hal.read_buffer_size(&temp, (unsigned int *)value);
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_CONN_INTERVAL:
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ble_hal.read_connection_interval(0, (unsigned int *)value);
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return RADIO_RESULT_OK;
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default:
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return RADIO_RESULT_NOT_SUPPORTED;
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}
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}
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/*---------------------------------------------------------------------------*/
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static radio_result_t
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set_value(radio_param_t param, radio_value_t value)
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{
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switch(param) {
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case RADIO_PARAM_BLE_ADV_INTERVAL:
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if((value > BLE_ADV_INTERVAL_MAX) || (value < BLE_ADV_INTERVAL_MIN)) {
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return RADIO_RESULT_INVALID_VALUE;
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}
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adv_interval = (uint16_t)value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_ADV_TYPE:
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adv_type = value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_ADV_OWN_ADDR_TYPE:
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adv_own_addr_type = value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_ADV_CHANNEL_MAP:
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adv_channel_map = value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_ADV_ENABLE:
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if(value) {
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/* set the advertisement parameter before enabling */
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ble_hal.set_adv_param(adv_interval, adv_type,
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adv_own_addr_type, adv_channel_map);
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}
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ble_hal.set_adv_enable(value);
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_SCAN_INTERVAL:
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if((value > BLE_SCAN_INTERVAL_MAX) || (value < BLE_SCAN_INTERVAL_MIN)) {
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return RADIO_RESULT_INVALID_VALUE;
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}
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scan_interval = (uint16_t)value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_SCAN_WINDOW:
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if((value > BLE_SCAN_INTERVAL_MAX) || (value < BLE_SCAN_INTERVAL_MIN)) {
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return RADIO_RESULT_INVALID_VALUE;
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}
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scan_window = (uint16_t)value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_SCAN_TYPE:
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scan_type = value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_SCAN_OWN_ADDR_TYPE:
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scan_own_addr_type = value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_SCAN_ENABLE:
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if(value) {
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ble_hal.set_scan_param(scan_type, scan_interval,
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scan_window, scan_own_addr_type);
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}
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ble_hal.set_scan_enable(value, 0);
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_PEER_ADDR_TYPE:
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initiator_peer_addr_type = value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_CONN_INTERVAL:
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connection_interval = value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_CONN_LATENCY:
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connection_latency = value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_CONN_SUPERVISION_TIMEOUT:
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connection_timeout = value;
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_INITIATOR_ENABLE:
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if(value) {
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ble_hal.create_connection(scan_interval, scan_window,
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initiator_peer_addr_type,
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initiator_peer_addr,
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scan_own_addr_type,
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connection_interval,
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connection_latency,
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connection_timeout);
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} else {
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ble_hal.create_connection_cancel();
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}
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_CONN_UPDATE:
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if(value) {
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return ble_hal.connection_update(0, connection_interval, connection_latency, connection_timeout);
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} else {
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return RADIO_RESULT_INVALID_VALUE;
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}
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default:
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return RADIO_RESULT_NOT_SUPPORTED;
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}
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}
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/*---------------------------------------------------------------------------*/
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static radio_result_t
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get_object(radio_param_t param, void *dest, size_t size)
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{
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switch(param) {
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case RADIO_CONST_BLE_BD_ADDR:
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if(size != BLE_ADDR_SIZE || !dest) {
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return RADIO_RESULT_INVALID_VALUE;
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}
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ble_hal.read_bd_addr(dest);
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return RADIO_RESULT_OK;
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}
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return RADIO_RESULT_NOT_SUPPORTED;
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}
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/*---------------------------------------------------------------------------*/
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static radio_result_t
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set_object(radio_param_t param, const void *src, size_t size)
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{
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switch(param) {
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case RADIO_PARAM_BLE_ADV_PAYLOAD:
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if(size <= 0 || size >= BLE_ADV_DATA_LEN || !src) {
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return RADIO_RESULT_INVALID_VALUE;
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}
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ble_hal.set_adv_data((unsigned short)size, (char *)src);
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_ADV_SCAN_RESPONSE:
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if(size <= 0 || size >= BLE_SCAN_RESP_DATA_LEN || !src) {
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return RADIO_RESULT_INVALID_VALUE;
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}
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ble_hal.set_scan_resp_data((unsigned short)size, (char *)src);
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return RADIO_RESULT_OK;
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case RADIO_PARAM_BLE_PEER_ADDR:
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if(size <= 0 || size > BLE_ADDR_SIZE || !src) {
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return RADIO_RESULT_INVALID_VALUE;
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}
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memcpy(initiator_peer_addr, src, size);
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return RADIO_RESULT_OK;
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}
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return RADIO_RESULT_NOT_SUPPORTED;
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}
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/*---------------------------------------------------------------------------*/
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const struct radio_driver ble_cc2650_driver = {
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init,
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NULL,
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NULL,
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send,
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NULL,
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NULL,
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NULL,
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NULL,
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on,
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off,
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get_value,
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set_value,
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get_object,
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set_object,
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};
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/*---------------------------------------------------------------------------*/
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