Jinu Andrews / nRF51

lib/codecs/src/ble_gatts_value_get.c@0:6ba9b94b8997, 2017-02-09 (annotated)

Committer:
jinu
Date:
Thu Feb 09 06:08:17 2017 +0000
Revision:
0:6ba9b94b8997
NRF51 serialization libraries for mDot

Who changed what in which revision?

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jinu 0:6ba9b94b8997 1 /* Copyright (c) Nordic Semiconductor ASA
jinu 0:6ba9b94b8997 2 * All rights reserved.
jinu 0:6ba9b94b8997 3 *
jinu 0:6ba9b94b8997 4 * Redistribution and use in source and binary forms, with or without modification,
jinu 0:6ba9b94b8997 5 * are permitted provided that the following conditions are met:
jinu 0:6ba9b94b8997 6 *
jinu 0:6ba9b94b8997 7 * 1. Redistributions of source code must retain the above copyright notice, this
jinu 0:6ba9b94b8997 8 * list of conditions and the following disclaimer.
jinu 0:6ba9b94b8997 9 *
jinu 0:6ba9b94b8997 10 * 2. Redistributions in binary form must reproduce the above copyright notice, this
jinu 0:6ba9b94b8997 11 * list of conditions and the following disclaimer in the documentation and/or
jinu 0:6ba9b94b8997 12 * other materials provided with the distribution.
jinu 0:6ba9b94b8997 13 *
jinu 0:6ba9b94b8997 14 * 3. Neither the name of Nordic Semiconductor ASA nor the names of other
jinu 0:6ba9b94b8997 15 * contributors to this software may be used to endorse or promote products
jinu 0:6ba9b94b8997 16 * derived from this software without specific prior written permission.
jinu 0:6ba9b94b8997 17 *
jinu 0:6ba9b94b8997 18 * 4. This software must only be used in a processor manufactured by Nordic
jinu 0:6ba9b94b8997 19 * Semiconductor ASA, or in a processor manufactured by a third party that
jinu 0:6ba9b94b8997 20 * is used in combination with a processor manufactured by Nordic Semiconductor.
jinu 0:6ba9b94b8997 21 *
jinu 0:6ba9b94b8997 22 *
jinu 0:6ba9b94b8997 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
jinu 0:6ba9b94b8997 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
jinu 0:6ba9b94b8997 25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
jinu 0:6ba9b94b8997 26 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
jinu 0:6ba9b94b8997 27 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
jinu 0:6ba9b94b8997 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
jinu 0:6ba9b94b8997 29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
jinu 0:6ba9b94b8997 30 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
jinu 0:6ba9b94b8997 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
jinu 0:6ba9b94b8997 32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
jinu 0:6ba9b94b8997 33 */
jinu 0:6ba9b94b8997 34
jinu 0:6ba9b94b8997 35 #include "ble_gatts_app.h"
jinu 0:6ba9b94b8997 36 #include <string.h>
jinu 0:6ba9b94b8997 37 #include "ble_serialization.h"
jinu 0:6ba9b94b8997 38 #include "ble_rpc_defines.h"
jinu 0:6ba9b94b8997 39 #include "app_util.h"
jinu 0:6ba9b94b8997 40 #include "cond_field_serialization.h"
jinu 0:6ba9b94b8997 41
jinu 0:6ba9b94b8997 42 uint32_t ble_gatts_value_get_req_enc(uint16_t handle,
jinu 0:6ba9b94b8997 43 uint16_t offset,
jinu 0:6ba9b94b8997 44 uint16_t const * const p_data_len,
jinu 0:6ba9b94b8997 45 uint8_t const * const p_data,
jinu 0:6ba9b94b8997 46 uint8_t * const p_buf,
jinu 0:6ba9b94b8997 47 uint32_t * p_buf_len)
jinu 0:6ba9b94b8997 48 {
jinu 0:6ba9b94b8997 49 SER_ASSERT_NOT_NULL(p_buf);
jinu 0:6ba9b94b8997 50 SER_ASSERT_NOT_NULL(p_buf_len);
jinu 0:6ba9b94b8997 51
jinu 0:6ba9b94b8997 52 uint32_t index = 0;
jinu 0:6ba9b94b8997 53
jinu 0:6ba9b94b8997 54 SER_ASSERT_LENGTH_LEQ(1 + 2 + 2, *p_buf_len);
jinu 0:6ba9b94b8997 55 p_buf[index++] = SD_BLE_GATTS_VALUE_GET;
jinu 0:6ba9b94b8997 56
jinu 0:6ba9b94b8997 57 index += uint16_encode(handle, &p_buf[index]);
jinu 0:6ba9b94b8997 58 index += uint16_encode(offset, &p_buf[index]);
jinu 0:6ba9b94b8997 59
jinu 0:6ba9b94b8997 60 if (p_data_len != NULL)
jinu 0:6ba9b94b8997 61 {
jinu 0:6ba9b94b8997 62 SER_ASSERT_LENGTH_LEQ(index + 1 + 2 + 1, *p_buf_len);
jinu 0:6ba9b94b8997 63 p_buf[index++] = RPC_BLE_FIELD_PRESENT;
jinu 0:6ba9b94b8997 64 index += uint16_encode(*p_data_len, &p_buf[index]);
jinu 0:6ba9b94b8997 65 p_buf[index++] = (p_data == NULL) ? RPC_BLE_FIELD_NOT_PRESENT : RPC_BLE_FIELD_PRESENT;
jinu 0:6ba9b94b8997 66 }
jinu 0:6ba9b94b8997 67 else
jinu 0:6ba9b94b8997 68 {
jinu 0:6ba9b94b8997 69 SER_ASSERT_LENGTH_LEQ(index + 1 + 1, *p_buf_len);
jinu 0:6ba9b94b8997 70 p_buf[index++] = RPC_BLE_FIELD_NOT_PRESENT;
jinu 0:6ba9b94b8997 71 p_buf[index++] = RPC_BLE_FIELD_NOT_PRESENT;
jinu 0:6ba9b94b8997 72 }
jinu 0:6ba9b94b8997 73
jinu 0:6ba9b94b8997 74 *p_buf_len = index;
jinu 0:6ba9b94b8997 75
jinu 0:6ba9b94b8997 76 return NRF_SUCCESS;
jinu 0:6ba9b94b8997 77 }
jinu 0:6ba9b94b8997 78
jinu 0:6ba9b94b8997 79
jinu 0:6ba9b94b8997 80 uint32_t ble_gatts_value_get_rsp_dec(uint8_t const * const p_buf,
jinu 0:6ba9b94b8997 81 uint32_t packet_len,
jinu 0:6ba9b94b8997 82 uint8_t * * const pp_value,
jinu 0:6ba9b94b8997 83 uint16_t * * const pp_value_len,
jinu 0:6ba9b94b8997 84 uint32_t * const p_result_code)
jinu 0:6ba9b94b8997 85 {
jinu 0:6ba9b94b8997 86 SER_ASSERT_NOT_NULL(p_buf);
jinu 0:6ba9b94b8997 87 SER_ASSERT_NOT_NULL(p_result_code);
jinu 0:6ba9b94b8997 88 SER_ASSERT_NOT_NULL(pp_value);
jinu 0:6ba9b94b8997 89 SER_ASSERT_NOT_NULL(pp_value_len);
jinu 0:6ba9b94b8997 90
jinu 0:6ba9b94b8997 91 uint32_t err_code;
jinu 0:6ba9b94b8997 92 uint32_t index = 0;
jinu 0:6ba9b94b8997 93 uint32_t decode_result = ser_ble_cmd_rsp_result_code_dec(p_buf, &index,
jinu 0:6ba9b94b8997 94 packet_len, SD_BLE_GATTS_VALUE_GET,
jinu 0:6ba9b94b8997 95 p_result_code);
jinu 0:6ba9b94b8997 96
jinu 0:6ba9b94b8997 97 if (decode_result != NRF_SUCCESS)
jinu 0:6ba9b94b8997 98 {
jinu 0:6ba9b94b8997 99 return decode_result;
jinu 0:6ba9b94b8997 100 }
jinu 0:6ba9b94b8997 101
jinu 0:6ba9b94b8997 102 if (*p_result_code != NRF_SUCCESS)
jinu 0:6ba9b94b8997 103 {
jinu 0:6ba9b94b8997 104 SER_ASSERT_LENGTH_EQ(index, packet_len);
jinu 0:6ba9b94b8997 105 return NRF_SUCCESS;
jinu 0:6ba9b94b8997 106 }
jinu 0:6ba9b94b8997 107
jinu 0:6ba9b94b8997 108 uint16_t value_buffer_size = *(*pp_value_len);
jinu 0:6ba9b94b8997 109
jinu 0:6ba9b94b8997 110 err_code = cond_field_dec(p_buf, packet_len, &index, (void * *)pp_value_len, uint16_t_dec);
jinu 0:6ba9b94b8997 111 SER_ASSERT(err_code == NRF_SUCCESS, err_code);
jinu 0:6ba9b94b8997 112
jinu 0:6ba9b94b8997 113 uint16_t value_len = (*pp_value_len) ? *(*pp_value_len) : 0;
jinu 0:6ba9b94b8997 114 err_code = buf_dec(p_buf, packet_len, &index, pp_value, value_buffer_size, value_len);
jinu 0:6ba9b94b8997 115 SER_ASSERT(err_code == NRF_SUCCESS, err_code);
jinu 0:6ba9b94b8997 116
jinu 0:6ba9b94b8997 117 SER_ASSERT_LENGTH_EQ(index, packet_len);
jinu 0:6ba9b94b8997 118
jinu 0:6ba9b94b8997 119 return NRF_SUCCESS;
jinu 0:6ba9b94b8997 120 }
jinu 0:6ba9b94b8997 121