Files
EPD-nRF5/components/serialization/connectivity/ser_conn_dtm_cmd_decoder.c
Shuanglei Tao f353d23368 Initial commit
2024-11-11 15:35:36 +08:00

95 lines
2.7 KiB
C

/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
*
*/
#include "app_util.h"
#include "ble_dtm_conn.h"
#include "ble_serialization.h"
#include "nrf_error.h"
#include "softdevice_handler.h"
#include "ser_conn_dtm_cmd_decoder.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);
}
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);
}
}