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copy project from century 2in6 esl project

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COMPONENTS/serialization/connectivity/ser_conn_event_encoder.c Normal file
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/**
* Copyright (c) 2014 - 2017, 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 <string.h>
#include <stdint.h>
#include "app_error.h"
#include "app_scheduler.h"
#include "ble_conn.h"
#include "ble_serialization.h"
#include "ser_config.h"
#include "ser_hal_transport.h"
#include "ser_conn_event_encoder.h"
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);
}
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);
}
}