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move components to SDK dir
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Shuanglei Tao
141
SDK/12.3.0_d7731ad/components/libraries/eddystone/es_tlm.c
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141
SDK/12.3.0_d7731ad/components/libraries/eddystone/es_tlm.c
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/**
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* Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
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*
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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 modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* 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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#include <string.h>
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#include "app_timer.h"
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#include "es_tlm.h"
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#include "es_app_config.h"
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#include "es_battery_voltage.h"
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#include "es_stopwatch.h"
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#include "nrf_soc.h"
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#define TICKS_100_MS APP_TIMER_TICKS(100, APP_TIMER_PRESCALER) //!< Tick count for 100ms.
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static es_tlm_frame_t m_tlm;
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static uint32_t m_le_adv_cnt;
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static es_stopwatch_id_t m_time_sec_sw_id;
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static es_stopwatch_id_t m_tlm_refresh_sw_id;
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/**@brief Function for updating the ADV_SEC field of TLM*/
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static void update_time(void)
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{
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static uint32_t time_total_100_ms = 0;
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uint32_t be_time_100_ms; // Big endian version of 0.1 second counter.
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time_total_100_ms += es_stopwatch_check(m_time_sec_sw_id);
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be_time_100_ms = BYTES_REVERSE_32BIT(time_total_100_ms);
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memcpy(m_tlm.sec_cnt, &be_time_100_ms, ES_TLM_SEC_CNT_LENGTH);
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}
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/**@brief Function for updating the TEMP field of TLM*/
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static void update_temp(void)
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{
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int32_t temp; // variable to hold temp reading
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(void)sd_temp_get(&temp); // get new temperature
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int16_t temp_new = (int16_t) temp; // convert from int32_t to int16_t
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m_tlm.temp[0] = (uint8_t)((temp_new >> 2) & 0xFFUL); // Right-shift by two to remove decimal part
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m_tlm.temp[1] = (uint8_t)((temp_new << 6) & 0xFFUL); // Left-shift 6 to get fractional part with 0.25 degrees C resolution
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}
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/**@brief Function for updating the VBATT field of TLM*/
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static void update_vbatt(void)
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{
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uint16_t vbatt; // Variable to hold voltage reading
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es_battery_voltage_get(&vbatt); // Get new battery voltage
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m_tlm.vbatt[0] = (uint8_t)(vbatt >> 8);
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m_tlm.vbatt[1] = (uint8_t)vbatt;
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}
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static void update_adv_cnt(void)
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{
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uint32_t be_adv_cnt = BYTES_REVERSE_32BIT(m_le_adv_cnt);
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memcpy(m_tlm.adv_cnt, (uint8_t *)(&be_adv_cnt), ES_TLM_ADV_CNT_LENGTH);
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}
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void es_tlm_tlm_get(es_tlm_frame_t * p_tlm_frame)
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{
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// Note that frame type and TLM version fields are set in initialization.
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update_time();
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update_adv_cnt();
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if (es_stopwatch_check(m_tlm_refresh_sw_id) > 0)
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{
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update_temp();
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update_vbatt();
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}
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memcpy(p_tlm_frame, &m_tlm, sizeof(es_tlm_frame_t));
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}
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void es_tlm_adv_cnt_inc(void)
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{
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m_le_adv_cnt++;
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}
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void es_tlm_init(void)
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{
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ret_code_t err_code;
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memset(&m_tlm, 0, sizeof(m_tlm));
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m_tlm.frame_type = ES_FRAME_TYPE_TLM;
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m_tlm.version = ES_TLM_VERSION_TLM;
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m_le_adv_cnt = 0;
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update_time();
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update_vbatt();
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update_temp();
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err_code = es_stopwatch_create(&m_time_sec_sw_id, APP_TIMER_TICKS(100, APP_TIMER_PRESCALER));
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APP_ERROR_CHECK(err_code);
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err_code = es_stopwatch_create(
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&m_tlm_refresh_sw_id,
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APP_TIMER_TICKS(APP_CONFIG_TLM_TEMP_VBATT_UPDATE_INTERVAL_SECONDS * 1000,
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APP_TIMER_PRESCALER));
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APP_ERROR_CHECK(err_code);
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}
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