Add a very basic alert nofification service
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73
src/Components/Ble/AlertNotificationService.cpp
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73
src/Components/Ble/AlertNotificationService.cpp
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#include <hal/nrf_rtc.h>
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#include "NotificationManager.h"
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#include <SystemTask/SystemTask.h>
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#include "AlertNotificationService.h"
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using namespace Pinetime::Controllers;
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constexpr ble_uuid16_t AlertNotificationService::ansUuid;
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constexpr ble_uuid16_t AlertNotificationService::ansCharUuid;
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int AlertNotificationCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg) {
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auto anService = static_cast<AlertNotificationService*>(arg);
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return anService->OnAlert(conn_handle, attr_handle, ctxt);
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}
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void AlertNotificationService::Init() {
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ble_gatts_count_cfg(serviceDefinition);
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ble_gatts_add_svcs(serviceDefinition);
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}
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AlertNotificationService::AlertNotificationService ( Pinetime::System::SystemTask& systemTask, Pinetime::Controllers::NotificationManager& notificationManager ) : m_systemTask{systemTask}, m_notificationManager{notificationManager},
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characteristicDefinition{
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{
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.uuid = (ble_uuid_t *) &ansCharUuid,
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.access_cb = AlertNotificationCallback,
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.arg = this,
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.flags = BLE_GATT_CHR_F_WRITE
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},
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{
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0
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}
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},
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serviceDefinition{
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{
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/* Device Information Service */
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.type = BLE_GATT_SVC_TYPE_PRIMARY,
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.uuid = (ble_uuid_t *) &ansUuid,
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.characteristics = characteristicDefinition
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},
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{
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0
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},
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}
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{
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}
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int AlertNotificationService::OnAlert(uint16_t conn_handle, uint16_t attr_handle,
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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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uint8_t data[notifSize + 1];
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data[notifSize] = '\0';
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os_mbuf_copydata(ctxt->om, 0, notifSize, data);
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char *s = (char *) &data[3];
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NRF_LOG_INFO("DATA : %s", s);
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for(int i = 0; i <= notifSize; i++)
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{
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if(s[i] == 0x00)
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{
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s[i] = 0x0A;
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}
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}
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m_notificationManager.Push(Pinetime::Controllers::NotificationManager::Categories::SimpleAlert, s, notifSize + 1);
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m_systemTask.PushMessage(Pinetime::System::SystemTask::Messages::OnNewNotification);
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}
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return 0;
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}
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39
src/Components/Ble/AlertNotificationService.h
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39
src/Components/Ble/AlertNotificationService.h
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#pragma once
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#include <cstdint>
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#include <array>
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#include <host/ble_gap.h>
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namespace Pinetime {
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namespace Controllers {
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class AlertNotificationService {
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public:
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AlertNotificationService(Pinetime::System::SystemTask &systemTask,
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Pinetime::Controllers::NotificationManager ¬ificationManager);
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void Init();
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int OnAlert(uint16_t conn_handle, uint16_t attr_handle,
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struct ble_gatt_access_ctxt *ctxt);
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private:
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static constexpr uint16_t ansId {0x1811};
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static constexpr uint16_t ansCharId {0x2a46};
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static constexpr ble_uuid16_t ansUuid {
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.u { .type = BLE_UUID_TYPE_16 },
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.value = ansId
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};
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static constexpr ble_uuid16_t ansCharUuid {
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.u { .type = BLE_UUID_TYPE_16 },
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.value = ansCharId
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};
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struct ble_gatt_chr_def characteristicDefinition[2];
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struct ble_gatt_svc_def serviceDefinition[2];
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Pinetime::System::SystemTask &m_systemTask;
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NotificationManager &m_notificationManager;
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};
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}
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}
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