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InfiniTime/src/components/ble/AlertNotificationClient.cpp

141 lines
6.1 KiB
C++

#include <systemtask/SystemTask.h>
#include "NotificationManager.h"
#include "AlertNotificationClient.h"
using namespace Pinetime::Controllers;
constexpr ble_uuid16_t AlertNotificationClient::ansServiceUuid;
constexpr ble_uuid16_t AlertNotificationClient::supportedNewAlertCategoryUuid;
constexpr ble_uuid16_t AlertNotificationClient::supportedUnreadAlertCategoryUuid ;
constexpr ble_uuid16_t AlertNotificationClient::newAlertUuid;
constexpr ble_uuid16_t AlertNotificationClient::unreadAlertStatusUuid;
constexpr ble_uuid16_t AlertNotificationClient::controlPointUuid;
int Pinetime::Controllers::NewAlertSubcribeCallback(uint16_t conn_handle,
const struct ble_gatt_error *error,
struct ble_gatt_attr *attr,
void *arg) {
auto client = static_cast<AlertNotificationClient*>(arg);
return client->OnNewAlertSubcribe(conn_handle, error, attr);
}
AlertNotificationClient::AlertNotificationClient(Pinetime::System::SystemTask& systemTask,
Pinetime::Controllers::NotificationManager& notificationManager) :
systemTask{systemTask}, notificationManager{notificationManager}{
}
bool AlertNotificationClient::OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, const ble_gatt_svc *service) {
if(service == nullptr && error->status == BLE_HS_EDONE) {
NRF_LOG_INFO("ANS Discovery complete");
return true;
}
if(service != nullptr && ble_uuid_cmp(((ble_uuid_t*)&ansServiceUuid), &service->uuid.u) == 0) {
NRF_LOG_INFO("ANS discovered : 0x%x", service->start_handle);
ansStartHandle = service->start_handle;
ansEndHandle = service->end_handle;
isDiscovered = true;
}
return false;
}
int AlertNotificationClient::OnCharacteristicsDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error,
const ble_gatt_chr *characteristic) {
if(error->status != 0 && error->status != BLE_HS_EDONE) {
NRF_LOG_INFO("ANS Characteristic discovery ERROR");
return 0;
}
if(characteristic == nullptr && error->status == BLE_HS_EDONE) {
NRF_LOG_INFO("ANS Characteristic discovery complete");
} else {
if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&supportedNewAlertCategoryUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("ANS Characteristic discovered : supportedNewAlertCategoryUuid");
supportedNewAlertCategoryHandle = characteristic->val_handle;
} else if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&supportedUnreadAlertCategoryUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("ANS Characteristic discovered : supportedUnreadAlertCategoryUuid");
supportedUnreadAlertCategoryHandle = characteristic->val_handle;
} else if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&newAlertUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("ANS Characteristic discovered : newAlertUuid");
newAlertHandle = characteristic->val_handle;
newAlertDefHandle = characteristic->def_handle;
} else if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&unreadAlertStatusUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("ANS Characteristic discovered : unreadAlertStatusUuid");
unreadAlertStatusHandle = characteristic->val_handle;
} else if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&controlPointUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("ANS Characteristic discovered : controlPointUuid");
controlPointHandle = characteristic->val_handle;
}else
NRF_LOG_INFO("ANS Characteristic discovered : 0x%x", characteristic->val_handle);
}
return 0;
}
int AlertNotificationClient::OnNewAlertSubcribe(uint16_t connectionHandle, const ble_gatt_error *error,
ble_gatt_attr *attribute) {
if(error->status == 0) {
NRF_LOG_INFO("ANS New alert subscribe OK");
} else {
NRF_LOG_INFO("ANS New alert subscribe ERROR");
}
return 0;
}
int AlertNotificationClient::OnDescriptorDiscoveryEventCallback(uint16_t connectionHandle, const ble_gatt_error *error,
uint16_t characteristicValueHandle,
const ble_gatt_dsc *descriptor) {
if(error->status == 0) {
if(characteristicValueHandle == newAlertHandle && ble_uuid_cmp(((ble_uuid_t*)&newAlertUuid), &descriptor->uuid.u)) {
if(newAlertDescriptorHandle == 0) {
NRF_LOG_INFO("ANS Descriptor discovered : %d", descriptor->handle);
newAlertDescriptorHandle = descriptor->handle;
uint8_t value[2];
value[0] = 1;
value[1] = 0;
ble_gattc_write_flat(connectionHandle, newAlertDescriptorHandle, value, sizeof(value), NewAlertSubcribeCallback, this);
}
}
}
return 0;
}
void AlertNotificationClient::OnNotification(ble_gap_event *event) {
if(event->notify_rx.attr_handle == newAlertHandle) {
constexpr size_t stringTerminatorSize = 1; // end of string '\0'
constexpr size_t headerSize = 3;
const auto maxMessageSize {NotificationManager::MaximumMessageSize()};
const auto maxBufferSize{maxMessageSize + headerSize};
const auto dbgPacketLen = OS_MBUF_PKTLEN(event->notify_rx.om);
size_t bufferSize = min(dbgPacketLen + stringTerminatorSize, maxBufferSize);
auto messageSize = min(maxMessageSize, (bufferSize-headerSize));
NotificationManager::Notification notif;
os_mbuf_copydata(event->notify_rx.om, headerSize, messageSize-1, notif.message.data());
notif.message[messageSize-1] = '\0';
notif.category = Pinetime::Controllers::NotificationManager::Categories::SimpleAlert;
notificationManager.Push(std::move(notif));
systemTask.PushMessage(Pinetime::System::SystemTask::Messages::OnNewNotification);
}
}
bool AlertNotificationClient::IsDiscovered() const {
return isDiscovered;
}
uint16_t AlertNotificationClient::StartHandle() const {
return ansStartHandle;
}
uint16_t AlertNotificationClient::EndHandle() const {
return ansEndHandle;
}
uint16_t AlertNotificationClient::NewAlerthandle() const {
return newAlertHandle;
}