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nes-proj/arch/cpu/simplelink-cc13xx-cc26xx/rf/ble-beacond.c

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/*
* Copyright (c) 2018, Texas Instruments Incorporated - http://www.ti.com/
* All rights reserved.
*
* 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 of the copyright holder 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 HOLDER 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.
*/
/**
* \addtogroup cc13xx-cc26xx-rf-ble
* @{
*
* \file
* Implementation for the CC13xx/CC26xx BLE Beacon Daemon.
* \author
* Edvard Pettersen <e.pettersen@ti.com>
*/
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "sys/cc.h"
#include "sys/clock.h"
#include "sys/etimer.h"
#include "sys/process.h"
#include "net/linkaddr.h"
#include "net/netstack.h"
/*---------------------------------------------------------------------------*/
#include <ti/devices/DeviceFamily.h>
#include DeviceFamily_constructPath(driverlib/chipinfo.h)
#include DeviceFamily_constructPath(driverlib/rf_ble_cmd.h)
#include DeviceFamily_constructPath(driverlib/rf_common_cmd.h)
#include <ti/drivers/rf/RF.h>
/*---------------------------------------------------------------------------*/
#include "rf/rf.h"
#include "rf/sched.h"
#include "rf/ble-addr.h"
#include "rf/ble-beacond.h"
#include "rf/tx-power.h"
#include "rf/settings.h"
/*---------------------------------------------------------------------------*/
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
/*---------------------------------------------------------------------------*/
/* Log configuration */
#include "sys/log.h"
#define LOG_MODULE "Radio"
#define LOG_LEVEL LOG_LEVEL_NONE
/*---------------------------------------------------------------------------*/
#if RF_CONF_BLE_BEACON_ENABLE
/*---------------------------------------------------------------------------*/
/* Maximum BLE advertisement size. Not to be changed by the user. */
#define BLE_ADV_MAX_SIZE 31
/*---------------------------------------------------------------------------*/
/*
* BLE Intervals: Send a burst of advertisements every BLE_ADV_INTERVAL
* specified in milliseconds.
*/
#define BLE_ADV_INTERVAL ((100 * CLOCK_SECOND) / 1000)
/* GAP Advertisement data types */
#define BLE_ADV_TYPE_FLAGS 0x01
#define BLE_ADV_TYPE_16BIT_MORE 0x02
#define BLE_ADV_TYPE_16BIT_COMPLETE 0x03
#define BLE_ADV_TYPE_32BIT_MORE 0x04
#define BLE_ADV_TYPE_32BIT_COMPLETE 0x05
#define BLE_ADV_TYPE_128BIT_MORE 0x06
#define BLE_ADV_TYPE_128BIT_COMPLETE 0x07
#define BLE_ADV_TYPE_LOCAL_NAME_SHORT 0x08
#define BLE_ADV_TYPE_LOCAL_NAME_COMPLETE 0x09
#define BLE_ADV_TYPE_POWER_LEVEL 0x0A
#define BLE_ADV_TYPE_OOB_CLASS_OF_DEVICE 0x0D
#define BLE_ADV_TYPE_OOB_SIMPLE_PAIRING_HASHC 0x0E
#define BLE_ADV_TYPE_OOB_SIMPLE_PAIRING_RANDR 0x0F
#define BLE_ADV_TYPE_SM_TK 0x10
#define BLE_ADV_TYPE_SM_OOB_FLAG 0x11
#define BLE_ADV_TYPE_SLAVE_CONN_INTERVAL_RANGE 0x12
#define BLE_ADV_TYPE_SIGNED_DATA 0x13
#define BLE_ADV_TYPE_SERVICE_LIST_16BIT 0x14
#define BLE_ADV_TYPE_SERVICE_LIST_128BIT 0x15
#define BLE_ADV_TYPE_SERVICE_DATA 0x16
#define BLE_ADV_TYPE_PUBLIC_TARGET_ADDR 0x17
#define BLE_ADV_TYPE_RANDOM_TARGET_ADDR 0x18
#define BLE_ADV_TYPE_APPEARANCE 0x19
#define BLE_ADV_TYPE_ADV_INTERVAL 0x1A
#define BLE_ADV_TYPE_LE_BD_ADDR 0x1B
#define BLE_ADV_TYPE_LE_ROLE 0x1C
#define BLE_ADV_TYPE_SIMPLE_PAIRING_HASHC_256 0x1D
#define BLE_ADV_TYPE_SIMPLE_PAIRING_RANDR_256 0x1E
#define BLE_ADV_TYPE_SERVICE_DATA_32BIT 0x20
#define BLE_ADV_TYPE_SERVICE_DATA_128BIT 0x21
#define BLE_ADV_TYPE_3D_INFO_DATA 0x3D
#define BLE_ADV_TYPE_MANUFACTURER_SPECIFIC 0xFF
/* GAP Advertisement data type flags */
/* Discovery Mode: LE Limited Discoverable Mode */
#define BLE_ADV_TYPE_FLAGS_LIMITED 0x01
/* Discovery Mode: LE General Discoverable Mode */
#define BLE_ADV_TYPE_FLAGS_GENERAL 0x02
/* Discovery Mode: BR/EDR Not Supported */
#define BLE_ADV_TYPE_FLAGS_BREDR_NOT_SUPPORTED 0x04
#define BLE_ADV_NAME_BUF_LEN BLE_ADV_MAX_SIZE
#define BLE_ADV_PAYLOAD_BUF_LEN 64
#define BLE_UUID_SIZE 16
/*---------------------------------------------------------------------------*/
typedef struct {
/* Outgoing frame buffer */
uint8_t tx_buf[BLE_ADV_PAYLOAD_BUF_LEN] CC_ALIGN(4);
/* Config data */
size_t adv_name_len;
char adv_name[BLE_ADV_NAME_BUF_LEN];
/* Indicates whether deamon is active or not */
bool is_active;
/* Periodic timer for sending out BLE advertisements */
clock_time_t ble_adv_interval;
struct etimer ble_adv_et;
/* RF driver */
RF_Handle rf_handle;
/* BLE command specific structures. Common accross BLE and BLE5. */
uint8_t ble_mac_addr[6];
rfc_bleAdvPar_t ble_adv_par;
rfc_bleAdvOutput_t ble_adv_output;
} ble_beacond_t;
static ble_beacond_t ble_beacond;
/*---------------------------------------------------------------------------*/
PROCESS(ble_beacond_process, "RF BLE Beacon Daemon Process");
/*---------------------------------------------------------------------------*/
rf_ble_beacond_result_t
rf_ble_beacond_init(void)
{
ble_cmd_radio_setup.config.frontEndMode = RF_2_4_GHZ_FRONT_END_MODE;
ble_cmd_radio_setup.config.biasMode = RF_2_4_GHZ_BIAS_MODE;
RF_Params rf_params;
RF_Params_init(&rf_params);
rf_params.nInactivityTimeout = RF_CONF_INACTIVITY_TIMEOUT;
ble_beacond.rf_handle = ble_open(&rf_params);
if(ble_beacond.rf_handle == NULL) {
return RF_BLE_BEACOND_ERROR;
}
/*
* It is important that the contents of the BLE MAC address is copied into
* RAM, as the System CPU, and subsequently flash, goes idle when pending
* on an RF command. This causes pend to hang forever.
*/
ble_addr_le_cpy(ble_beacond.ble_mac_addr);
ble_beacond.ble_adv_par.pDeviceAddress = (uint16_t *)ble_beacond.ble_mac_addr;
ble_beacond.ble_adv_par.endTrigger.triggerType = TRIG_NEVER;
rf_ble_cmd_ble_adv_nc.pParams = &ble_beacond.ble_adv_par;
rf_ble_cmd_ble_adv_nc.pOutput = &ble_beacond.ble_adv_output;
return RF_BLE_BEACOND_OK;
}
/*---------------------------------------------------------------------------*/
rf_ble_beacond_result_t
rf_ble_beacond_config(clock_time_t interval, const char *name)
{
rf_ble_beacond_result_t res;
res = RF_BLE_BEACOND_ERROR;
if(interval > 0) {
ble_beacond.ble_adv_interval = interval;
res = RF_BLE_BEACOND_OK;
} else {
ble_beacond.ble_adv_interval = BLE_ADV_INTERVAL;
}
if(name != NULL) {
const size_t name_len = strlen(name);
if((0 < name_len) && (name_len < BLE_ADV_NAME_BUF_LEN)) {
ble_beacond.adv_name_len = name_len;
memcpy(ble_beacond.adv_name, name, name_len);
res = RF_BLE_BEACOND_OK;
}
}
return res;
}
/*---------------------------------------------------------------------------*/
rf_ble_beacond_result_t
rf_ble_beacond_start(void)
{
if(ble_beacond.is_active) {
return RF_BLE_BEACOND_OK;
}
ble_beacond.is_active = true;
process_start(&ble_beacond_process, NULL);
return RF_BLE_BEACOND_OK;
}
/*---------------------------------------------------------------------------*/
rf_ble_beacond_result_t
rf_ble_beacond_stop(void)
{
if(!ble_beacond.is_active) {
return RF_BLE_BEACOND_OK;
}
ble_beacond.is_active = false;
process_exit(&ble_beacond_process);
return RF_BLE_BEACOND_OK;
}
/*---------------------------------------------------------------------------*/
int8_t
rf_ble_is_active(void)
{
return (int8_t)ble_beacond.is_active;
}
/*---------------------------------------------------------------------------*/
rf_ble_beacond_result_t
rf_ble_set_tx_power(int8_t dbm)
{
rf_result_t res;
if(!tx_power_in_range(dbm, ble_tx_power_table, ble_tx_power_table_size)) {
return RADIO_RESULT_INVALID_VALUE;
}
res = rf_set_tx_power(ble_beacond.rf_handle, ble_tx_power_table, dbm);
return (res == RF_RESULT_OK)
? RF_BLE_BEACOND_OK
: RF_BLE_BEACOND_ERROR;
}
/*---------------------------------------------------------------------------*/
int8_t
rf_ble_get_tx_power(void)
{
rf_result_t res;
int8_t dbm;
res = rf_get_tx_power(ble_beacond.rf_handle, ble_tx_power_table, &dbm);
if(res != RF_RESULT_OK) {
return RF_TxPowerTable_INVALID_DBM;
}
return dbm;
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(ble_beacond_process, ev, data)
{
size_t len;
PROCESS_BEGIN();
while(1) {
etimer_set(&ble_beacond.ble_adv_et, ble_beacond.ble_adv_interval);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&ble_beacond.ble_adv_et) ||
(ev == PROCESS_EVENT_EXIT));
if(ev == PROCESS_EVENT_EXIT) {
PROCESS_EXIT();
}
/* Device info */
/* Set the adv payload each pass: The device name may have changed */
len = 0;
#define append_byte(x) ble_beacond.tx_buf[len++] = (uint8_t)((x))
/* 2 bytes */
append_byte(2);
append_byte(BLE_ADV_TYPE_FLAGS);
/* LE general discoverable + BR/EDR not supported */
append_byte(BLE_ADV_TYPE_FLAGS_GENERAL |
BLE_ADV_TYPE_FLAGS_BREDR_NOT_SUPPORTED);
/* 1 + len(name) bytes (excluding zero termination) */
append_byte(1 + ble_beacond.adv_name_len);
append_byte(BLE_ADV_TYPE_LOCAL_NAME_COMPLETE);
memcpy(ble_beacond.tx_buf + len, ble_beacond.adv_name, ble_beacond.adv_name_len);
len += ble_beacond.adv_name_len;
#undef append_byte
/* Send advertisements on all three channels */
ble_beacond.ble_adv_par.advLen = len;
ble_beacond.ble_adv_par.pAdvData = ble_beacond.tx_buf;
ble_sched_beacons(BLE_ADV_CHANNEL_ALL);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
#else /* RF_CONF_BLE_BEACON_ENABLE */
/*---------------------------------------------------------------------------*/
rf_ble_beacond_result_t
rf_ble_beacond_init(void)
{
return RF_BLE_BEACOND_DISABLED;
}
/*---------------------------------------------------------------------------*/
rf_ble_beacond_result_t
rf_ble_beacond_config(clock_time_t interval, const char *name)
{
(void)interval;
(void)name;
return RF_BLE_BEACOND_DISABLED;
}
/*---------------------------------------------------------------------------*/
rf_ble_beacond_result_t
rf_ble_beacond_start(void)
{
return RF_BLE_BEACOND_DISABLED;
}
/*---------------------------------------------------------------------------*/
rf_ble_beacond_result_t
rf_ble_beacond_stop(void)
{
return RF_BLE_BEACOND_DISABLED;
}
/*---------------------------------------------------------------------------*/
int8_t
rf_ble_is_active(void)
{
return -1;
}
/*---------------------------------------------------------------------------*/
rf_ble_beacond_result_t
rf_ble_set_tx_power(int8_t power)
{
(void)power;
return RF_BLE_BEACOND_DISABLED;
}
/*---------------------------------------------------------------------------*/
int8_t
rf_ble_get_tx_power(void)
{
return ~(int8_t)(0);
}
/*---------------------------------------------------------------------------*/
#endif /* RF_CONF_BLE_BEACON_ENABLE */
/*---------------------------------------------------------------------------*/
/** @} */
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