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/* Copyright (C) 2020-2021 JF, Adam Pigg, Avamander
This file is part of InfiniTime.
InfiniTime is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
InfiniTime is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "MusicService.h"
#include "systemtask/SystemTask.h"
int MusicCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt, void* arg) {
return static_cast<Pinetime::Controllers::MusicService*>(arg)->OnCommand(conn_handle, attr_handle, ctxt);
}
Pinetime::Controllers::MusicService::MusicService(Pinetime::System::SystemTask& system) : m_system(system) {
characteristicDefinition[0] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msEventCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_NOTIFY,
.val_handle = &eventHandle};
characteristicDefinition[1] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msStatusCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[2] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msTrackCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[3] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msArtistCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[4] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msAlbumCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[5] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msPositionCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[6] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msTotalLengthCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[7] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msTotalLengthCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[8] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msTrackNumberCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[9] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msTrackTotalCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[10] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msPlaybackSpeedCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[11] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msRepeatCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[12] = {.uuid = reinterpret_cast<ble_uuid_t*>(&msShuffleCharUuid),
.access_cb = MusicCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ};
characteristicDefinition[13] = {0};
serviceDefinition[0] = {
.type = BLE_GATT_SVC_TYPE_PRIMARY, .uuid = reinterpret_cast<ble_uuid_t*>(&msUuid), .characteristics = characteristicDefinition};
serviceDefinition[1] = {0};
artistName = "Waiting for";
albumName = "";
trackName = "track information..";
playing = false;
repeat = false;
shuffle = false;
playbackSpeed = 1.0f;
trackProgress = 0;
trackLength = 0;
}
void Pinetime::Controllers::MusicService::Init() {
uint8_t res = 0;
res = ble_gatts_count_cfg(serviceDefinition);
ASSERT(res == 0);
res = ble_gatts_add_svcs(serviceDefinition);
ASSERT(res == 0);
}
int Pinetime::Controllers::MusicService::OnCommand(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt) {
if (ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
size_t notifSize = OS_MBUF_PKTLEN(ctxt->om);
char data[notifSize + 1];
data[notifSize] = '\0';
os_mbuf_copydata(ctxt->om, 0, notifSize, data);
char* s = &data[0];
if (ble_uuid_cmp(ctxt->chr->uuid, reinterpret_cast<ble_uuid_t*>(&msArtistCharUuid)) == 0) {
artistName = s;
} else if (ble_uuid_cmp(ctxt->chr->uuid, reinterpret_cast<ble_uuid_t*>(&msTrackCharUuid)) == 0) {
trackName = s;
} else if (ble_uuid_cmp(ctxt->chr->uuid, reinterpret_cast<ble_uuid_t*>(&msAlbumCharUuid)) == 0) {
albumName = s;
} else if (ble_uuid_cmp(ctxt->chr->uuid, reinterpret_cast<ble_uuid_t*>(&msStatusCharUuid)) == 0) {
playing = s[0];
} else if (ble_uuid_cmp(ctxt->chr->uuid, reinterpret_cast<ble_uuid_t*>(&msRepeatCharUuid)) == 0) {
repeat = s[0];
} else if (ble_uuid_cmp(ctxt->chr->uuid, reinterpret_cast<ble_uuid_t*>(&msShuffleCharUuid)) == 0) {
shuffle = s[0];
} else if (ble_uuid_cmp(ctxt->chr->uuid, reinterpret_cast<ble_uuid_t*>(&msPositionCharUuid)) == 0) {
trackProgress = (s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3];
} else if (ble_uuid_cmp(ctxt->chr->uuid, reinterpret_cast<ble_uuid_t*>(&msTotalLengthCharUuid)) == 0) {
trackLength = (s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3];
} else if (ble_uuid_cmp(ctxt->chr->uuid, reinterpret_cast<ble_uuid_t*>(&msTrackNumberCharUuid)) == 0) {
trackNumber = (s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3];
} else if (ble_uuid_cmp(ctxt->chr->uuid, reinterpret_cast<ble_uuid_t*>(&msTrackTotalCharUuid)) == 0) {
tracksTotal = (s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3];
} else if (ble_uuid_cmp(ctxt->chr->uuid, reinterpret_cast<ble_uuid_t*>(&msPlaybackSpeedCharUuid)) == 0) {
playbackSpeed = static_cast<float>(((s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3])) / 100.0f;
}
}
return 0;
}
std::string Pinetime::Controllers::MusicService::getAlbum() const {
return albumName;
}
std::string Pinetime::Controllers::MusicService::getArtist() const {
return artistName;
}
std::string Pinetime::Controllers::MusicService::getTrack() const {
return trackName;
}
bool Pinetime::Controllers::MusicService::isPlaying() const {
return playing;
}
float Pinetime::Controllers::MusicService::getPlaybackSpeed() const {
return playbackSpeed;
}
int Pinetime::Controllers::MusicService::getProgress() const {
return trackProgress;
}
int Pinetime::Controllers::MusicService::getTrackLength() const {
return trackLength;
}
void Pinetime::Controllers::MusicService::event(char event) {
auto* om = ble_hs_mbuf_from_flat(&event, 1);
uint16_t connectionHandle = m_system.nimble().connHandle();
if (connectionHandle == 0 || connectionHandle == BLE_HS_CONN_HANDLE_NONE) {
return;
}
ble_gattc_notify_custom(connectionHandle, eventHandle, om);
}
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