181 lines
6.3 KiB
C
181 lines
6.3 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/************************************************************************************
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*
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* Filename: btc_util.c
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*
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* Description: Miscellaneous helper functions
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*
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*
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***********************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "btc_util.h"
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#if (BTA_AV_INCLUDED == TRUE)
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#include "bta_av_api.h"
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#endif ///BTA_AV_INCLUDED == TRUE
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#include "bt_defs.h"
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/************************************************************************************
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** Constants & Macros
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************************************************************************************/
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#define ISDIGIT(a) ((a>='0') && (a<='9'))
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#define ISXDIGIT(a) (((a>='0') && (a<='9'))||((a>='A') && (a<='F'))||((a>='a') && (a<='f')))
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/************************************************************************************
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** Local type definitions
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************************************************************************************/
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/************************************************************************************
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** Static variables
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************************************************************************************/
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/************************************************************************************
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** Static functions
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************************************************************************************/
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/************************************************************************************
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** Externs
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************************************************************************************/
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/************************************************************************************
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** Functions
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************************************************************************************/
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/*****************************************************************************
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** Logging helper functions
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*****************************************************************************/
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#if(BTA_AV_INCLUDED == TRUE)
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const char *dump_rc_event(UINT8 event)
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{
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switch (event) {
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CASE_RETURN_STR(BTA_AV_RC_OPEN_EVT)
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CASE_RETURN_STR(BTA_AV_RC_CLOSE_EVT)
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CASE_RETURN_STR(BTA_AV_REMOTE_CMD_EVT)
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CASE_RETURN_STR(BTA_AV_REMOTE_RSP_EVT)
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CASE_RETURN_STR(BTA_AV_VENDOR_CMD_EVT)
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CASE_RETURN_STR(BTA_AV_VENDOR_RSP_EVT)
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CASE_RETURN_STR(BTA_AV_META_MSG_EVT)
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CASE_RETURN_STR(BTA_AV_RC_FEAT_EVT)
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default:
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return "UNKNOWN_EVENT";
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}
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}
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const char *dump_rc_notification_event_id(UINT8 event_id)
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{
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switch (event_id) {
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CASE_RETURN_STR(AVRC_EVT_PLAY_STATUS_CHANGE)
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CASE_RETURN_STR(AVRC_EVT_TRACK_CHANGE)
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CASE_RETURN_STR(AVRC_EVT_TRACK_REACHED_END)
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CASE_RETURN_STR(AVRC_EVT_TRACK_REACHED_START)
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CASE_RETURN_STR(AVRC_EVT_PLAY_POS_CHANGED)
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CASE_RETURN_STR(AVRC_EVT_BATTERY_STATUS_CHANGE)
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CASE_RETURN_STR(AVRC_EVT_SYSTEM_STATUS_CHANGE)
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CASE_RETURN_STR(AVRC_EVT_APP_SETTING_CHANGE)
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CASE_RETURN_STR(AVRC_EVT_VOLUME_CHANGE)
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default:
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return "Unhandled Event ID";
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}
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}
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const char *dump_rc_pdu(UINT8 pdu)
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{
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switch (pdu) {
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CASE_RETURN_STR(AVRC_PDU_LIST_PLAYER_APP_ATTR)
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CASE_RETURN_STR(AVRC_PDU_LIST_PLAYER_APP_VALUES)
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CASE_RETURN_STR(AVRC_PDU_GET_CUR_PLAYER_APP_VALUE)
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CASE_RETURN_STR(AVRC_PDU_SET_PLAYER_APP_VALUE)
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CASE_RETURN_STR(AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT)
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CASE_RETURN_STR(AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT)
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CASE_RETURN_STR(AVRC_PDU_INFORM_DISPLAY_CHARSET)
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CASE_RETURN_STR(AVRC_PDU_INFORM_BATTERY_STAT_OF_CT)
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CASE_RETURN_STR(AVRC_PDU_GET_ELEMENT_ATTR)
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CASE_RETURN_STR(AVRC_PDU_GET_PLAY_STATUS)
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CASE_RETURN_STR(AVRC_PDU_REGISTER_NOTIFICATION)
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CASE_RETURN_STR(AVRC_PDU_REQUEST_CONTINUATION_RSP)
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CASE_RETURN_STR(AVRC_PDU_ABORT_CONTINUATION_RSP)
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CASE_RETURN_STR(AVRC_PDU_SET_ABSOLUTE_VOLUME)
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default:
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return "Unknown PDU";
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}
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}
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#endif ///BTA_AV_INCLUDED == TRUE
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UINT32 devclass2uint(DEV_CLASS dev_class)
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{
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UINT32 cod = 0;
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if (dev_class != NULL) {
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/* if COD is 0, irrespective of the device type set it to Unclassified device */
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cod = (dev_class[2]) | (dev_class[1] << 8) | (dev_class[0] << 16);
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}
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return cod;
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}
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void uint2devclass(UINT32 cod, DEV_CLASS dev_class)
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{
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dev_class[2] = (UINT8)cod;
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dev_class[1] = (UINT8)(cod >> 8);
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dev_class[0] = (UINT8)(cod >> 16);
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}
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static const UINT8 base_uuid_be[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
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0x80, 0x00, 0x00, 0x80, 0x5F, 0x9B, 0x34, 0xFB};
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void uuid128_be_to_esp_uuid(esp_bt_uuid_t *u, uint8_t* uuid128)
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{
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if (memcmp(base_uuid_be+4, uuid128 + 4, 12) != 0) {
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u->len = ESP_UUID_LEN_128;
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uint8_t *p_i = uuid128 + ESP_UUID_LEN_128 - 1;
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uint8_t *p_o = u->uuid.uuid128;
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uint8_t *p_end = p_o + ESP_UUID_LEN_128;
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for (; p_o != p_end; *p_o++ = *p_i--)
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;
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} else if (uuid128[0] == 0 && uuid128[1] == 0) {
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u->len = 2;
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u->uuid.uuid16 = (uuid128[2] << 8) + uuid128[3];
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} else {
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u->len = 4;
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u->uuid.uuid32 = (uuid128[2] << 8) + uuid128[3];
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u->uuid.uuid32 += (uuid128[0] << 24) + (uuid128[1] << 16);
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}
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return;
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}
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void uuid_to_string_legacy(bt_uuid_t *p_uuid, char *str)
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{
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uint32_t uuid0, uuid4;
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uint16_t uuid1, uuid2, uuid3, uuid5;
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memcpy(&uuid0, &(p_uuid->uu[0]), 4);
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memcpy(&uuid1, &(p_uuid->uu[4]), 2);
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memcpy(&uuid2, &(p_uuid->uu[6]), 2);
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memcpy(&uuid3, &(p_uuid->uu[8]), 2);
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memcpy(&uuid4, &(p_uuid->uu[10]), 4);
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memcpy(&uuid5, &(p_uuid->uu[14]), 2);
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sprintf((char *)str, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x",
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ntohl(uuid0), ntohs(uuid1),
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ntohs(uuid2), ntohs(uuid3),
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ntohl(uuid4), ntohs(uuid5));
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return;
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}
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