/** * Copyright (c) 2014 - 2018, Nordic Semiconductor ASA * * 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, except as embedded into a Nordic * Semiconductor ASA integrated circuit in a product or a software update for * such product, 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 Nordic Semiconductor ASA nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * 4. This software, with or without modification, must only be used with a * Nordic Semiconductor ASA integrated circuit. * * 5. Any software provided in binary form under this license must not be reverse * engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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. * */ #include #include #include "app_error.h" #include "app_scheduler.h" #include "ble_serialization.h" #include "ser_config.h" #include "ser_hal_transport.h" #include "ser_conn_event_encoder.h" #include "ser_conn_handlers.h" #ifdef BLE_STACK_SUPPORT_REQD #include "ble_conn.h" #endif // BLE_STACK_SUPPORT_REQD #ifdef ANT_STACK_SUPPORT_REQD #include "ant_event.h" #endif // ANT_STACK_SUPPORT_REQD #ifdef BLE_STACK_SUPPORT_REQD void ser_conn_ble_event_encoder(void * p_event_data, uint16_t event_size) { if (NULL == p_event_data) { APP_ERROR_CHECK(NRF_ERROR_NULL); } UNUSED_PARAMETER(event_size); uint32_t err_code = NRF_SUCCESS; uint8_t * p_tx_buf = NULL; uint32_t tx_buf_len = 0; ble_evt_t * p_ble_evt = (ble_evt_t *)p_event_data; /* Allocate a memory buffer from HAL Transport layer for transmitting an event. * Loop until a buffer is available. */ do { err_code = ser_hal_transport_tx_pkt_alloc(&p_tx_buf, (uint16_t *)&tx_buf_len); if (err_code == NRF_ERROR_NO_MEM) { ser_conn_on_no_mem_handler(); } } while (err_code == NRF_ERROR_NO_MEM); APP_ERROR_CHECK(err_code); /* Create a new packet. */ p_tx_buf[SER_PKT_TYPE_POS] = SER_PKT_TYPE_EVT; tx_buf_len -= SER_PKT_TYPE_SIZE; /* Pass a memory for an event (opcode + data) and encode it. */ err_code = ble_event_enc(p_ble_evt, 0, &p_tx_buf[SER_PKT_OP_CODE_POS], &tx_buf_len); if (NRF_ERROR_NOT_SUPPORTED != err_code) { APP_ERROR_CHECK(err_code); tx_buf_len += SER_PKT_TYPE_SIZE; err_code = ser_hal_transport_tx_pkt_send(p_tx_buf, (uint16_t)tx_buf_len); APP_ERROR_CHECK(err_code); /* TX buffer is going to be freed automatically in the HAL Transport layer. * Scheduler must be paused because this function returns before a packet is physically sent * by transport layer. This can cause start processing of a next event from the application * scheduler queue. In result the next event reserves the TX buffer before the current * packet is sent. If in meantime a command arrives a command response cannot be sent in * result. Pausing the scheduler temporary prevents processing a next event. */ app_sched_pause(); } else { /* Event was NOT encoded, therefore the buffer is freed immediately. */ err_code = ser_hal_transport_tx_pkt_free(p_tx_buf); APP_ERROR_CHECK(err_code); APP_ERROR_CHECK(SER_WARNING_CODE); } } #endif // BLE_STACK_SUPPORT_REQD #ifdef ANT_STACK_SUPPORT_REQD void ser_conn_ant_event_encoder(void * p_event_data, uint16_t event_size) { if (NULL == p_event_data) { APP_ERROR_CHECK(NRF_ERROR_NULL); } UNUSED_PARAMETER(event_size); uint32_t err_code = NRF_SUCCESS; uint8_t * p_tx_buf = NULL; uint32_t tx_buf_len = 0; ant_evt_t * p_ant_evt = (ant_evt_t *)p_event_data; /* Allocate a memory buffer from HAL Transport layer for transmitting an event. * Loop until a buffer is available. */ do { err_code = ser_hal_transport_tx_pkt_alloc(&p_tx_buf, (uint16_t *)&tx_buf_len); } while (err_code == NRF_ERROR_NO_MEM); APP_ERROR_CHECK(err_code); /* Create a new packet. */ p_tx_buf[SER_PKT_TYPE_POS] = SER_PKT_TYPE_ANT_EVT; tx_buf_len -= SER_PKT_TYPE_SIZE; /* Pass a memory for an event (opcode + data) and encode it. */ err_code = ant_event_enc(p_ant_evt, 0, &p_tx_buf[SER_PKT_OP_CODE_POS], &tx_buf_len); if (NRF_ERROR_NOT_SUPPORTED != err_code) { APP_ERROR_CHECK(err_code); tx_buf_len += SER_PKT_TYPE_SIZE; err_code = ser_hal_transport_tx_pkt_send(p_tx_buf, (uint16_t)tx_buf_len); APP_ERROR_CHECK(err_code); /* TX buffer is going to be freed automatically in the HAL Transport layer. * Scheduler must be paused because this function returns before a packet is physically sent * by transport layer. This can cause start processing of a next event from the application * scheduler queue. In result the next event reserves the TX buffer before the current * packet is sent. If in meantime a command arrives a command response cannot be sent in * result. Pausing the scheduler temporary prevents processing a next event. */ app_sched_pause(); } else { /* Event was NOT encoded, therefore the buffer is freed immediately. */ err_code = ser_hal_transport_tx_pkt_free(p_tx_buf); APP_ERROR_CHECK(err_code); APP_ERROR_CHECK(SER_WARNING_CODE); } } #endif