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InfiniTime/src/components/ble/ImmediateAlertService.cpp

75 lines
No EOL
2.7 KiB
C++

#include "ImmediateAlertService.h"
#include <cstring>
#include "NotificationManager.h"
#include "systemtask/SystemTask.h"
using namespace Pinetime::Controllers;
constexpr ble_uuid16_t ImmediateAlertService::immediateAlertServiceUuid;
constexpr ble_uuid16_t ImmediateAlertService::alertLevelUuid;
namespace {
int AlertLevelCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt, void* arg) {
auto* immediateAlertService = static_cast<ImmediateAlertService*>(arg);
return immediateAlertService->OnAlertLevelChanged(conn_handle, attr_handle, ctxt);
}
const char* ToString(ImmediateAlertService::Levels level) {
switch (level) {
case ImmediateAlertService::Levels::NoAlert:
return "Alert : None";
case ImmediateAlertService::Levels::HighAlert:
return "Alert : High";
case ImmediateAlertService::Levels::MildAlert:
return "Alert : Mild";
default:
return "";
}
}
}
ImmediateAlertService::ImmediateAlertService(Pinetime::System::SystemTask& systemTask,
Pinetime::Controllers::NotificationManager& notificationManager)
: systemTask {systemTask},
notificationManager {notificationManager},
characteristicDefinition {{.uuid = (ble_uuid_t*) &alertLevelUuid,
.access_cb = AlertLevelCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE_NO_RSP,
.val_handle = &alertLevelHandle},
{0}},
serviceDefinition {
{/* Device Information Service */
.type = BLE_GATT_SVC_TYPE_PRIMARY,
.uuid = (ble_uuid_t*) &immediateAlertServiceUuid,
.characteristics = characteristicDefinition},
{0},
} {
}
void ImmediateAlertService::Init() {
int res = 0;
res = ble_gatts_count_cfg(serviceDefinition);
ASSERT(res == 0);
res = ble_gatts_add_svcs(serviceDefinition);
ASSERT(res == 0);
}
int ImmediateAlertService::OnAlertLevelChanged(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt* context) {
if (attributeHandle == alertLevelHandle) {
if (context->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
auto alertLevel = static_cast<Levels>(context->om->om_data[0]);
auto* alertString = ToString(alertLevel);
NotificationManager::Notification notif;
std::memcpy(notif.message.data(), alertString, strlen(alertString));
notif.category = Pinetime::Controllers::NotificationManager::Categories::SimpleAlert;
notificationManager.Push(std::move(notif));
systemTask.PushMessage(Pinetime::System::SystemTask::Messages::OnNewNotification);
}
}
return 0;
}