From 423a956d8f3fdbac9db310e3223280a4624ff49e Mon Sep 17 00:00:00 2001
From: Adam Pigg <adam@piggz.co.uk>
Date: Tue, 28 Apr 2020 18:31:58 +0100
Subject: [PATCH] Add a very basic alert nofification service
---
.../Ble/AlertNotificationService.cpp | 73 +++++++++++++++++++
src/Components/Ble/AlertNotificationService.h | 39 ++++++++++
2 files changed, 112 insertions(+)
create mode 100644 src/Components/Ble/AlertNotificationService.cpp
create mode 100644 src/Components/Ble/AlertNotificationService.h
diff --git a/src/Components/Ble/AlertNotificationService.cpp b/src/Components/Ble/AlertNotificationService.cpp
new file mode 100644
index 00000000..8e3b712d
--- /dev/null
+++ b/src/Components/Ble/AlertNotificationService.cpp
@@ -0,0 +1,73 @@
+
+#include <hal/nrf_rtc.h>
+#include "NotificationManager.h"
+#include <SystemTask/SystemTask.h>
+
+#include "AlertNotificationService.h"
+
+using namespace Pinetime::Controllers;
+
+constexpr ble_uuid16_t AlertNotificationService::ansUuid;
+constexpr ble_uuid16_t AlertNotificationService::ansCharUuid;
+
+
+int AlertNotificationCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg) {
+ auto anService = static_cast<AlertNotificationService*>(arg);
+ return anService->OnAlert(conn_handle, attr_handle, ctxt);
+}
+
+void AlertNotificationService::Init() {
+ ble_gatts_count_cfg(serviceDefinition);
+ ble_gatts_add_svcs(serviceDefinition);
+}
+
+AlertNotificationService::AlertNotificationService ( Pinetime::System::SystemTask& systemTask, Pinetime::Controllers::NotificationManager& notificationManager ) : m_systemTask{systemTask}, m_notificationManager{notificationManager},
+ characteristicDefinition{
+ {
+ .uuid = (ble_uuid_t *) &ansCharUuid,
+ .access_cb = AlertNotificationCallback,
+ .arg = this,
+ .flags = BLE_GATT_CHR_F_WRITE
+ },
+ {
+ 0
+ }
+ },
+ serviceDefinition{
+ {
+ /* Device Information Service */
+ .type = BLE_GATT_SVC_TYPE_PRIMARY,
+ .uuid = (ble_uuid_t *) &ansUuid,
+ .characteristics = characteristicDefinition
+ },
+ {
+ 0
+ },
+ }
+{
+}
+
+int AlertNotificationService::OnAlert(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);
+ uint8_t data[notifSize + 1];
+ data[notifSize] = '\0';
+ os_mbuf_copydata(ctxt->om, 0, notifSize, data);
+ char *s = (char *) &data[3];
+ NRF_LOG_INFO("DATA : %s", s);
+
+ for(int i = 0; i <= notifSize; i++)
+ {
+ if(s[i] == 0x00)
+ {
+ s[i] = 0x0A;
+ }
+ }
+
+ m_notificationManager.Push(Pinetime::Controllers::NotificationManager::Categories::SimpleAlert, s, notifSize + 1);
+ m_systemTask.PushMessage(Pinetime::System::SystemTask::Messages::OnNewNotification);
+ }
+ return 0;
+}
diff --git a/src/Components/Ble/AlertNotificationService.h b/src/Components/Ble/AlertNotificationService.h
new file mode 100644
index 00000000..53cb44cc
--- /dev/null
+++ b/src/Components/Ble/AlertNotificationService.h
@@ -0,0 +1,39 @@
+#pragma once
+#include <cstdint>
+#include <array>
+#include <host/ble_gap.h>
+
+namespace Pinetime {
+ namespace Controllers {
+ class AlertNotificationService {
+ public:
+ AlertNotificationService(Pinetime::System::SystemTask &systemTask,
+ Pinetime::Controllers::NotificationManager ¬ificationManager);
+ void Init();
+
+ int OnAlert(uint16_t conn_handle, uint16_t attr_handle,
+ struct ble_gatt_access_ctxt *ctxt);
+
+
+ private:
+ static constexpr uint16_t ansId {0x1811};
+ static constexpr uint16_t ansCharId {0x2a46};
+
+ static constexpr ble_uuid16_t ansUuid {
+ .u { .type = BLE_UUID_TYPE_16 },
+ .value = ansId
+ };
+
+ static constexpr ble_uuid16_t ansCharUuid {
+ .u { .type = BLE_UUID_TYPE_16 },
+ .value = ansCharId
+ };
+
+ struct ble_gatt_chr_def characteristicDefinition[2];
+ struct ble_gatt_svc_def serviceDefinition[2];
+
+ Pinetime::System::SystemTask &m_systemTask;
+ NotificationManager &m_notificationManager;
+ };
+ }
+}