HL-PDJ-1/components/serialization/connectivity/ser_conn_dtm_cmd_decoder.c
xiaozhengsheng 6df0f7d96e 初始版本
2025-08-19 09:49:41 +08:00

127 lines
4.4 KiB
C

/**
* Copyright (c) 2014 - 2020, 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 "app_util.h"
#include "ble_dtm_conn.h"
#include "ble_serialization.h"
#include "nrf_error.h"
#include "nrf_sdm.h"
#include "ser_conn_dtm_cmd_decoder.h"
#include "ser_conn_handlers.h"
#include "ser_hal_transport.h"
static bool m_is_ready_to_enter_dtm = false;
static app_uart_stream_comm_params_t m_comm_params = { 0 };
uint32_t ser_conn_dtm_command_process(uint8_t * p_command, uint16_t command_len)
{
SER_ASSERT_NOT_NULL(p_command);
uint32_t err_code = NRF_SUCCESS;
uint8_t * p_tx_buf = NULL;
uint32_t tx_buf_len = 0;
/* Allocate a memory buffer from HAL Transport layer for transmitting the Command Response.
* 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 (NRF_ERROR_NO_MEM == err_code);
if (err_code == NRF_SUCCESS)
{
p_tx_buf[SER_PKT_TYPE_POS] = SER_PKT_TYPE_DTM_RESP;
tx_buf_len -= SER_PKT_TYPE_SIZE;
err_code = ble_dtm_init_req_dec(p_command, command_len, &m_comm_params);
if (NRF_SUCCESS == err_code)
{
err_code = ble_dtm_init_rsp_enc(NRF_SUCCESS,
&p_tx_buf[SER_PKT_TYPE_SIZE],
&tx_buf_len);
if (err_code != NRF_SUCCESS)
{
return NRF_ERROR_INTERNAL;
}
tx_buf_len += SER_PKT_TYPE_SIZE;
/* Set a flag that device is ready to enter DTM mode. */
m_is_ready_to_enter_dtm = true;
err_code = ser_hal_transport_tx_pkt_send(p_tx_buf, (uint16_t)tx_buf_len);
if (err_code != NRF_SUCCESS)
{
err_code = NRF_ERROR_INTERNAL;
}
/* TX buffer is going to be freed automatically in the HAL Transport layer. */
}
else
{
err_code = NRF_ERROR_INTERNAL;
}
}
return err_code;
}
void ser_conn_is_ready_to_enter_dtm(void)
{
if (m_is_ready_to_enter_dtm)
{
/* Disable SoftDevice. */
(void)sd_softdevice_disable();
/* Close HAL Transport Layer. */
ser_hal_transport_close();
/* Start DTM mode. */
(void)dtm_start(m_comm_params);
}
}