347 lines
11 KiB
C
347 lines
11 KiB
C
/**
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* Copyright (c) 2015 - 2020, 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 "sdk_config.h"
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#if ANT_HRM_ENABLED
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#include "nrf_assert.h"
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#include "app_error.h"
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#include "ant_interface.h"
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#include "app_util.h"
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#include "ant_hrm.h"
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#include "ant_hrm_utils.h"
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#include "app_error.h"
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#define NRF_LOG_MODULE_NAME ant_hrm
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#if ANT_HRM_LOG_ENABLED
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#define NRF_LOG_LEVEL ANT_HRM_LOG_LEVEL
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#define NRF_LOG_INFO_COLOR ANT_HRM_INFO_COLOR
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#else // ANT_HRM_LOG_ENABLED
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#define NRF_LOG_LEVEL 0
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#endif // ANT_HRM_LOG_ENABLED
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#include "nrf_log.h"
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NRF_LOG_MODULE_REGISTER();
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#define BACKGROUND_DATA_INTERVAL 64 /**< The number of main data pages sent between background data page.
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Background data page is sent every 65th message. */
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#define TX_TOGGLE_DIVISOR 4 /**< The number of messages between changing state of toggle bit. */
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/**@brief HRM message data layout structure. */
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typedef struct
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{
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ant_hrm_page_t page_number : 7;
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uint8_t toggle_bit : 1;
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uint8_t page_payload[7];
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} ant_hrm_message_layout_t;
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/**@brief Function for initializing the ANT HRM profile instance.
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*
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* @param[in] p_profile Pointer to the profile instance.
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* @param[in] p_channel_config Pointer to the ANT channel configuration structure.
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*
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* @retval NRF_SUCCESS If initialization was successful. Otherwise, an error code is returned.
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*/
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static ret_code_t ant_hrm_init(ant_hrm_profile_t * p_profile,
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ant_channel_config_t const * p_channel_config)
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{
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p_profile->channel_number = p_channel_config->channel_number;
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p_profile->page_0 = DEFAULT_ANT_HRM_PAGE0();
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p_profile->page_1 = DEFAULT_ANT_HRM_PAGE1();
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p_profile->page_2 = DEFAULT_ANT_HRM_PAGE2();
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p_profile->page_3 = DEFAULT_ANT_HRM_PAGE3();
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p_profile->page_4 = DEFAULT_ANT_HRM_PAGE4();
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NRF_LOG_INFO("ANT HRM channel %u init", p_profile->channel_number);
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return ant_channel_init(p_channel_config);
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}
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ret_code_t ant_hrm_disp_init(ant_hrm_profile_t * p_profile,
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ant_channel_config_t const * p_channel_config,
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ant_hrm_evt_handler_t evt_handler)
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{
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ASSERT(p_profile != NULL);
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ASSERT(p_channel_config != NULL);
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ASSERT(evt_handler != NULL);
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p_profile->evt_handler = evt_handler;
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return ant_hrm_init(p_profile, p_channel_config);
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}
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ret_code_t ant_hrm_sens_init(ant_hrm_profile_t * p_profile,
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ant_channel_config_t const * p_channel_config,
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ant_hrm_sens_config_t const * p_sens_config)
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{
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ASSERT(p_profile != NULL);
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ASSERT(p_channel_config != NULL);
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ASSERT(p_sens_config != NULL);
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ASSERT(p_sens_config->p_cb != NULL);
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ASSERT(p_sens_config->evt_handler != NULL);
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ASSERT((p_sens_config->main_page_number == ANT_HRM_PAGE_0)
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|| (p_sens_config->main_page_number == ANT_HRM_PAGE_4));
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p_profile->evt_handler = p_sens_config->evt_handler;
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p_profile->_cb.p_sens_cb = p_sens_config->p_cb;
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ant_hrm_sens_cb_t * p_hrm_cb = p_profile->_cb.p_sens_cb;
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p_hrm_cb->page_1_present = p_sens_config->page_1_present;
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p_hrm_cb->main_page_number = p_sens_config->main_page_number;
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p_hrm_cb->ext_page_number = p_hrm_cb->page_1_present ? ANT_HRM_PAGE_1 : ANT_HRM_PAGE_2;
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p_hrm_cb->message_counter = 0;
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p_hrm_cb->toggle_bit = true;
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return ant_hrm_init(p_profile, p_channel_config);
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}
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/**@brief Function for getting next page number to send.
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*
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* @param[in] p_profile Pointer to the profile instance.
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*
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* @return Next page number.
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*/
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static ant_hrm_page_t next_page_number_get(ant_hrm_profile_t * p_profile)
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{
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ant_hrm_sens_cb_t * p_hrm_cb = p_profile->_cb.p_sens_cb;
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ant_hrm_page_t page_number;
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if (p_hrm_cb->message_counter == (BACKGROUND_DATA_INTERVAL))
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{
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page_number = p_hrm_cb->ext_page_number;
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p_hrm_cb->message_counter = 0;
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p_hrm_cb->ext_page_number++;
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if (p_hrm_cb->ext_page_number > ANT_HRM_PAGE_3)
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{
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p_hrm_cb->ext_page_number = p_hrm_cb->page_1_present ? ANT_HRM_PAGE_1 : ANT_HRM_PAGE_2;
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}
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}
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else
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{
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page_number = p_hrm_cb->main_page_number;
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}
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if (p_hrm_cb->message_counter % TX_TOGGLE_DIVISOR == 0)
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{
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p_hrm_cb->toggle_bit ^= 1;
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}
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p_hrm_cb->message_counter++;
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return page_number;
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}
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/**@brief Function for encoding HRM message.
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*
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* @note Assume to be call each time when Tx window will occur.
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*/
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static void sens_message_encode(ant_hrm_profile_t * p_profile, uint8_t * p_message_payload)
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{
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ant_hrm_message_layout_t * p_hrm_message_payload =
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(ant_hrm_message_layout_t *)p_message_payload;
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ant_hrm_sens_cb_t * p_hrm_cb = p_profile->_cb.p_sens_cb;
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p_hrm_message_payload->page_number = next_page_number_get(p_profile);
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p_hrm_message_payload->toggle_bit = p_hrm_cb->toggle_bit;
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NRF_LOG_INFO("HRM TX Page number: %u", p_hrm_message_payload->page_number);
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ant_hrm_page_0_encode(p_hrm_message_payload->page_payload, &(p_profile->page_0)); // Page 0 is present in each message
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switch (p_hrm_message_payload->page_number)
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{
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case ANT_HRM_PAGE_0:
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// No implementation needed
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break;
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case ANT_HRM_PAGE_1:
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ant_hrm_page_1_encode(p_hrm_message_payload->page_payload, &(p_profile->page_1));
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break;
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case ANT_HRM_PAGE_2:
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ant_hrm_page_2_encode(p_hrm_message_payload->page_payload, &(p_profile->page_2));
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break;
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case ANT_HRM_PAGE_3:
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ant_hrm_page_3_encode(p_hrm_message_payload->page_payload, &(p_profile->page_3));
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break;
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case ANT_HRM_PAGE_4:
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ant_hrm_page_4_encode(p_hrm_message_payload->page_payload, &(p_profile->page_4));
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break;
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default:
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return;
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}
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p_profile->evt_handler(p_profile, (ant_hrm_evt_t)p_hrm_message_payload->page_number);
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}
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/**@brief Function for setting payload for ANT message and sending it.
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*
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* @param[in] p_profile Pointer to the profile instance.
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*/
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static void ant_message_send(ant_hrm_profile_t * p_profile)
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{
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uint32_t err_code;
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uint8_t p_message_payload[ANT_STANDARD_DATA_PAYLOAD_SIZE];
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sens_message_encode(p_profile, p_message_payload);
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err_code =
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sd_ant_broadcast_message_tx(p_profile->channel_number,
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sizeof (p_message_payload),
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p_message_payload);
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APP_ERROR_CHECK(err_code);
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}
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void ant_hrm_sens_evt_handler(ant_evt_t * p_ant_evt, void * p_context)
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{
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ant_hrm_profile_t * p_profile = (ant_hrm_profile_t *)p_context;
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if (p_ant_evt->channel == p_profile->channel_number)
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{
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switch (p_ant_evt->event)
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{
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case EVENT_TX:
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ant_message_send(p_profile);
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break;
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default:
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break;
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}
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}
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}
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ret_code_t ant_hrm_disp_open(ant_hrm_profile_t * p_profile)
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{
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ASSERT(p_profile != NULL);
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NRF_LOG_INFO("ANT HRM channel %u open", p_profile->channel_number);
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return sd_ant_channel_open(p_profile->channel_number);
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}
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ret_code_t ant_hrm_sens_open(ant_hrm_profile_t * p_profile)
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{
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ASSERT(p_profile != NULL);
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// Fill tx buffer for the first frame
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ant_message_send(p_profile);
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NRF_LOG_INFO("ANT HRM channel %u open", p_profile->channel_number);
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return sd_ant_channel_open(p_profile->channel_number);
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}
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/**@brief Function for decoding HRM message.
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*
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* @note Assume to be call each time when Rx window will occur.
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*/
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static void disp_message_decode(ant_hrm_profile_t * p_profile, uint8_t * p_message_payload)
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{
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const ant_hrm_message_layout_t * p_hrm_message_payload =
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(ant_hrm_message_layout_t *)p_message_payload;
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NRF_LOG_INFO("HRM RX Page Number: %u", p_hrm_message_payload->page_number);
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ant_hrm_page_0_decode(p_hrm_message_payload->page_payload, &(p_profile->page_0)); // Page 0 is present in each message
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switch (p_hrm_message_payload->page_number)
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{
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case ANT_HRM_PAGE_0:
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// No implementation needed
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break;
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case ANT_HRM_PAGE_1:
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ant_hrm_page_1_decode(p_hrm_message_payload->page_payload, &(p_profile->page_1));
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break;
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case ANT_HRM_PAGE_2:
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ant_hrm_page_2_decode(p_hrm_message_payload->page_payload, &(p_profile->page_2));
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break;
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case ANT_HRM_PAGE_3:
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ant_hrm_page_3_decode(p_hrm_message_payload->page_payload, &(p_profile->page_3));
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break;
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case ANT_HRM_PAGE_4:
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ant_hrm_page_4_decode(p_hrm_message_payload->page_payload, &(p_profile->page_4));
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break;
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default:
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return;
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}
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p_profile->evt_handler(p_profile, (ant_hrm_evt_t)p_hrm_message_payload->page_number);
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}
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void ant_hrm_disp_evt_handler(ant_evt_t * p_ant_evt, void * p_context)
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{
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ant_hrm_profile_t * p_profile = ( ant_hrm_profile_t *)p_context;
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if (p_ant_evt->channel == p_profile->channel_number)
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{
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switch (p_ant_evt->event)
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{
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case EVENT_RX:
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if (p_ant_evt->message.ANT_MESSAGE_ucMesgID == MESG_BROADCAST_DATA_ID
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|| p_ant_evt->message.ANT_MESSAGE_ucMesgID == MESG_ACKNOWLEDGED_DATA_ID
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|| p_ant_evt->message.ANT_MESSAGE_ucMesgID == MESG_BURST_DATA_ID)
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{
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disp_message_decode(p_profile, p_ant_evt->message.ANT_MESSAGE_aucPayload);
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}
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break;
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default:
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break;
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}
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}
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}
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#endif // ANT_HRM_ENABLED
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