139 lines
5.2 KiB
C
139 lines
5.2 KiB
C
/**
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* Copyright (c) 2014 - 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 <stdint.h>
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#include <string.h>
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#include "nordic_common.h"
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#include "app_error.h"
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#include "ble_serialization.h"
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#include "ser_config.h"
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#include "conn_mw.h"
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#include "ser_hal_transport.h"
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#include "ser_conn_cmd_decoder.h"
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#include "ser_conn_handlers.h"
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#include "nrf_log_ctrl.h"
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#define NRF_LOG_MODULE_NAME ser_conn_dec
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#include "nrf_log.h"
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NRF_LOG_MODULE_REGISTER();
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uint32_t ser_conn_command_process(uint8_t * p_command, uint16_t command_len)
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{
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SER_ASSERT_NOT_NULL(p_command);
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SER_ASSERT_LENGTH_LEQ(SER_OP_CODE_SIZE, command_len);
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uint32_t err_code = NRF_SUCCESS;
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uint8_t * p_tx_buf = NULL;
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uint32_t tx_buf_len = 0;
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uint8_t opcode = p_command[SER_CMD_OP_CODE_POS];
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uint32_t index = 0;
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/* Allocate a memory buffer from HAL Transport layer for transmitting the Command Response.
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* Loop until a buffer is available. */
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NRF_LOG_INFO("Command process start");
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do
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{
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err_code = ser_hal_transport_tx_pkt_alloc(&p_tx_buf, (uint16_t *)&tx_buf_len);
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if (err_code == NRF_ERROR_NO_MEM)
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{
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ser_conn_on_no_mem_handler();
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}
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}
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while (NRF_ERROR_NO_MEM == err_code);
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NRF_LOG_INFO("Tx buffer allocated");
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if (NRF_SUCCESS == err_code)
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{
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/* Create a new response packet. */
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p_tx_buf[SER_PKT_TYPE_POS] = SER_PKT_TYPE_RESP;
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tx_buf_len -= SER_PKT_TYPE_SIZE;
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/* Decode a request, pass a memory for a response command (opcode + data) and encode it. */
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err_code = conn_mw_handler
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(p_command, command_len, &p_tx_buf[SER_PKT_OP_CODE_POS], &tx_buf_len);
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/* Command decoder not found. */
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if (NRF_ERROR_NOT_SUPPORTED == err_code)
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{
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NRF_LOG_ERROR("Command not supported opcode:%d", p_tx_buf[SER_PKT_OP_CODE_POS]);
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APP_ERROR_CHECK(SER_WARNING_CODE);
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err_code = op_status_enc
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(opcode, NRF_ERROR_NOT_SUPPORTED,
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&p_tx_buf[SER_PKT_OP_CODE_POS], &tx_buf_len, &index);
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if (NRF_SUCCESS == err_code)
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{
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tx_buf_len += SER_PKT_TYPE_SIZE;
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err_code = ser_hal_transport_tx_pkt_send(p_tx_buf, (uint16_t)tx_buf_len);
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/* TX buffer is going to be freed automatically in the HAL Transport layer. */
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if (NRF_SUCCESS != err_code)
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{
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err_code = NRF_ERROR_INTERNAL;
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}
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}
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else
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{
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err_code = NRF_ERROR_INTERNAL;
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}
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}
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else if (NRF_SUCCESS == err_code) /* Send a response. */
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{
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tx_buf_len += SER_PKT_TYPE_SIZE;
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err_code = ser_hal_transport_tx_pkt_send(p_tx_buf, (uint16_t)tx_buf_len);
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/* TX buffer is going to be freed automatically in the HAL Transport layer. */
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if (NRF_SUCCESS != err_code)
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{
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err_code = NRF_ERROR_INTERNAL;
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}
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}
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else
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{
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NRF_LOG_ERROR("Internal error during command decoding.");
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err_code = NRF_ERROR_INTERNAL;
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}
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}
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else
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{
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err_code = NRF_ERROR_INTERNAL;
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}
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return err_code;
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}
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