222 lines
9.6 KiB
C++
222 lines
9.6 KiB
C++
/* Copyright (C) 2020-2021 JF, Adam Pigg, Avamander
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This file is part of InfiniTime.
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InfiniTime is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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InfiniTime is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "components/ble/MusicService.h"
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#include "systemtask/SystemTask.h"
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#include <cstring>
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namespace {
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// 0000yyxx-78fc-48fe-8e23-433b3a1942d0
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constexpr ble_uuid128_t CharUuid(uint8_t x, uint8_t y) {
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return ble_uuid128_t {.u = {.type = BLE_UUID_TYPE_128},
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.value = {0xd0, 0x42, 0x19, 0x3a, 0x3b, 0x43, 0x23, 0x8e, 0xfe, 0x48, 0xfc, 0x78, x, y, 0x00, 0x00}};
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}
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// 00000000-78fc-48fe-8e23-433b3a1942d0
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constexpr ble_uuid128_t BaseUuid() {
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return CharUuid(0x00, 0x00);
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}
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constexpr ble_uuid128_t msUuid {BaseUuid()};
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constexpr ble_uuid128_t msEventCharUuid {CharUuid(0x01, 0x00)};
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constexpr ble_uuid128_t msStatusCharUuid {CharUuid(0x02, 0x00)};
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constexpr ble_uuid128_t msArtistCharUuid {CharUuid(0x03, 0x00)};
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constexpr ble_uuid128_t msTrackCharUuid {CharUuid(0x04, 0x00)};
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constexpr ble_uuid128_t msAlbumCharUuid {CharUuid(0x05, 0x00)};
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constexpr ble_uuid128_t msPositionCharUuid {CharUuid(0x06, 0x00)};
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constexpr ble_uuid128_t msTotalLengthCharUuid {CharUuid(0x07, 0x00)};
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constexpr ble_uuid128_t msTrackNumberCharUuid {CharUuid(0x08, 0x00)};
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constexpr ble_uuid128_t msTrackTotalCharUuid {CharUuid(0x09, 0x00)};
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constexpr ble_uuid128_t msPlaybackSpeedCharUuid {CharUuid(0x0a, 0x00)};
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constexpr ble_uuid128_t msRepeatCharUuid {CharUuid(0x0b, 0x00)};
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constexpr ble_uuid128_t msShuffleCharUuid {CharUuid(0x0c, 0x00)};
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constexpr uint8_t MaxStringSize {40};
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int MusicCallback(uint16_t /*conn_handle*/, uint16_t /*attr_handle*/, struct ble_gatt_access_ctxt* ctxt, void* arg) {
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return static_cast<Pinetime::Controllers::MusicService*>(arg)->OnCommand(ctxt);
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}
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}
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Pinetime::Controllers::MusicService::MusicService(Pinetime::System::SystemTask& system) : m_system(system) {
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characteristicDefinition[0] = {.uuid = &msEventCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_NOTIFY,
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.val_handle = &eventHandle};
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characteristicDefinition[1] = {.uuid = &msStatusCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[2] = {.uuid = &msTrackCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[3] = {.uuid = &msArtistCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[4] = {.uuid = &msAlbumCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[5] = {.uuid = &msPositionCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[6] = {.uuid = &msTotalLengthCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[7] = {.uuid = &msTotalLengthCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[8] = {.uuid = &msTrackNumberCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[9] = {.uuid = &msTrackTotalCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[10] = {.uuid = &msPlaybackSpeedCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[11] = {.uuid = &msRepeatCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[12] = {.uuid = &msShuffleCharUuid.u,
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.access_cb = MusicCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
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characteristicDefinition[13] = {0};
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serviceDefinition[0] = {.type = BLE_GATT_SVC_TYPE_PRIMARY, .uuid = &msUuid.u, .characteristics = characteristicDefinition};
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serviceDefinition[1] = {0};
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}
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void Pinetime::Controllers::MusicService::Init() {
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uint8_t res = 0;
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res = ble_gatts_count_cfg(serviceDefinition);
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ASSERT(res == 0);
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res = ble_gatts_add_svcs(serviceDefinition);
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ASSERT(res == 0);
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}
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int Pinetime::Controllers::MusicService::OnCommand(struct ble_gatt_access_ctxt* ctxt) {
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if (ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
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size_t notifSize = OS_MBUF_PKTLEN(ctxt->om);
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size_t bufferSize = notifSize;
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if (notifSize > MaxStringSize) {
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bufferSize = MaxStringSize;
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}
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char data[bufferSize + 1];
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os_mbuf_copydata(ctxt->om, 0, bufferSize, data);
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if (notifSize > bufferSize) {
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data[bufferSize - 1] = '.';
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data[bufferSize - 2] = '.';
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data[bufferSize - 3] = '.';
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}
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data[bufferSize] = '\0';
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char* s = &data[0];
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if (ble_uuid_cmp(ctxt->chr->uuid, &msArtistCharUuid.u) == 0) {
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artistName = s;
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} else if (ble_uuid_cmp(ctxt->chr->uuid, &msTrackCharUuid.u) == 0) {
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trackName = s;
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} else if (ble_uuid_cmp(ctxt->chr->uuid, &msAlbumCharUuid.u) == 0) {
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albumName = s;
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} else if (ble_uuid_cmp(ctxt->chr->uuid, &msStatusCharUuid.u) == 0) {
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playing = s[0];
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// These variables need to be updated, because the progress may not be updated immediately,
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// leading to getProgress() returning an incorrect position.
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if (playing) {
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trackProgressUpdateTime = xTaskGetTickCount();
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} else {
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trackProgress +=
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static_cast<int>((static_cast<float>(xTaskGetTickCount() - trackProgressUpdateTime) / 1024.0f) * getPlaybackSpeed());
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}
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} else if (ble_uuid_cmp(ctxt->chr->uuid, &msRepeatCharUuid.u) == 0) {
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repeat = s[0];
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} else if (ble_uuid_cmp(ctxt->chr->uuid, &msShuffleCharUuid.u) == 0) {
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shuffle = s[0];
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} else if (ble_uuid_cmp(ctxt->chr->uuid, &msPositionCharUuid.u) == 0) {
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trackProgress = (s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3];
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trackProgressUpdateTime = xTaskGetTickCount();
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} else if (ble_uuid_cmp(ctxt->chr->uuid, &msTotalLengthCharUuid.u) == 0) {
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trackLength = (s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3];
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} else if (ble_uuid_cmp(ctxt->chr->uuid, &msTrackNumberCharUuid.u) == 0) {
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trackNumber = (s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3];
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} else if (ble_uuid_cmp(ctxt->chr->uuid, &msTrackTotalCharUuid.u) == 0) {
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tracksTotal = (s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3];
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} else if (ble_uuid_cmp(ctxt->chr->uuid, &msPlaybackSpeedCharUuid.u) == 0) {
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playbackSpeed = static_cast<float>(((s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3])) / 100.0f;
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}
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}
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return 0;
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}
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std::string Pinetime::Controllers::MusicService::getAlbum() const {
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return albumName;
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}
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std::string Pinetime::Controllers::MusicService::getArtist() const {
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return artistName;
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}
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std::string Pinetime::Controllers::MusicService::getTrack() const {
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return trackName;
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}
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bool Pinetime::Controllers::MusicService::isPlaying() const {
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return playing;
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}
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float Pinetime::Controllers::MusicService::getPlaybackSpeed() const {
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return playbackSpeed;
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}
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int Pinetime::Controllers::MusicService::getProgress() const {
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if (isPlaying()) {
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return trackProgress +
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static_cast<int>((static_cast<float>(xTaskGetTickCount() - trackProgressUpdateTime) / 1024.0f) * getPlaybackSpeed());
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}
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return trackProgress;
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}
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int Pinetime::Controllers::MusicService::getTrackLength() const {
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return trackLength;
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}
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void Pinetime::Controllers::MusicService::event(char event) {
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auto* om = ble_hs_mbuf_from_flat(&event, 1);
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uint16_t connectionHandle = m_system.nimble().connHandle();
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if (connectionHandle == 0 || connectionHandle == BLE_HS_CONN_HANDLE_NONE) {
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return;
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}
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ble_gattc_notify_custom(connectionHandle, eventHandle, om);
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}
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