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Merge pull request #118 from JF002/improve-ble-connection

Improve ble connection
This commit is contained in:
JF002 2020-10-30 14:16:04 +01:00 committed by GitHub
commit 0e97db1c30
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 289 additions and 231 deletions

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@ -369,6 +369,7 @@ list(APPEND SOURCE_FILES
components/ble/MusicService.cpp components/ble/MusicService.cpp
components/ble/BatteryInformationService.cpp components/ble/BatteryInformationService.cpp
components/ble/ImmediateAlertService.cpp components/ble/ImmediateAlertService.cpp
components/ble/ServiceDiscovery.cpp
components/firmwarevalidator/FirmwareValidator.cpp components/firmwarevalidator/FirmwareValidator.cpp
drivers/Cst816s.cpp drivers/Cst816s.cpp
FreeRTOS/port.c FreeRTOS/port.c
@ -447,6 +448,8 @@ set(INCLUDE_FILES
components/firmwarevalidator/FirmwareValidator.h components/firmwarevalidator/FirmwareValidator.h
components/ble/BatteryInformationService.h components/ble/BatteryInformationService.h
components/ble/ImmediateAlertService.h components/ble/ImmediateAlertService.h
components/ble/ServiceDiscovery.h
components/ble/BleClient.h
drivers/Cst816s.h drivers/Cst816s.h
FreeRTOS/portmacro.h FreeRTOS/portmacro.h
FreeRTOS/portmacro_cmsis.h FreeRTOS/portmacro_cmsis.h

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@ -3,84 +3,127 @@
#include "AlertNotificationClient.h" #include "AlertNotificationClient.h"
using namespace Pinetime::Controllers; using namespace Pinetime::Controllers;
constexpr ble_uuid16_t AlertNotificationClient::ansServiceUuid; constexpr ble_uuid16_t AlertNotificationClient::ansServiceUuid;
constexpr ble_uuid16_t AlertNotificationClient::supportedNewAlertCategoryUuid; constexpr ble_uuid16_t AlertNotificationClient::supportedNewAlertCategoryUuid;
constexpr ble_uuid16_t AlertNotificationClient::supportedUnreadAlertCategoryUuid ; constexpr ble_uuid16_t AlertNotificationClient::supportedUnreadAlertCategoryUuid;
constexpr ble_uuid16_t AlertNotificationClient::newAlertUuid; constexpr ble_uuid16_t AlertNotificationClient::newAlertUuid;
constexpr ble_uuid16_t AlertNotificationClient::unreadAlertStatusUuid; constexpr ble_uuid16_t AlertNotificationClient::unreadAlertStatusUuid;
constexpr ble_uuid16_t AlertNotificationClient::controlPointUuid; constexpr ble_uuid16_t AlertNotificationClient::controlPointUuid;
int Pinetime::Controllers::NewAlertSubcribeCallback(uint16_t conn_handle, namespace {
const struct ble_gatt_error *error, int
struct ble_gatt_attr *attr, OnDiscoveryEventCallback(uint16_t conn_handle, const struct ble_gatt_error *error, const struct ble_gatt_svc *service,
void *arg) { void *arg) {
auto client = static_cast<AlertNotificationClient*>(arg); auto client = static_cast<AlertNotificationClient *>(arg);
return client->OnNewAlertSubcribe(conn_handle, error, attr); return client->OnDiscoveryEvent(conn_handle, error, service);
}
int OnAlertNotificationCharacteristicDiscoveredCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
const struct ble_gatt_chr *chr, void *arg) {
auto client = static_cast<AlertNotificationClient *>(arg);
return client->OnCharacteristicsDiscoveryEvent(conn_handle, error, chr);
}
int OnAlertNotificationDescriptorDiscoveryEventCallback(uint16_t conn_handle,
const struct ble_gatt_error *error,
uint16_t chr_val_handle,
const struct ble_gatt_dsc *dsc,
void *arg) {
auto client = static_cast<AlertNotificationClient *>(arg);
return client->OnDescriptorDiscoveryEventCallback(conn_handle, error, chr_val_handle, dsc);
}
int 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, AlertNotificationClient::AlertNotificationClient(Pinetime::System::SystemTask &systemTask,
Pinetime::Controllers::NotificationManager& notificationManager) : Pinetime::Controllers::NotificationManager &notificationManager) :
systemTask{systemTask}, notificationManager{notificationManager}{ systemTask{systemTask}, notificationManager{notificationManager} {
} }
bool AlertNotificationClient::OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, const ble_gatt_svc *service) { bool AlertNotificationClient::OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error,
if(service == nullptr && error->status == BLE_HS_EDONE) { const ble_gatt_svc *service) {
NRF_LOG_INFO("ANS Discovery complete"); if (service == nullptr && error->status == BLE_HS_EDONE) {
if (isDiscovered) {
NRF_LOG_INFO("ANS Discovery found, starting characteristics discovery");
ble_gattc_disc_all_chrs(connectionHandle, ansStartHandle, ansEndHandle,
OnAlertNotificationCharacteristicDiscoveredCallback, this);
} else {
NRF_LOG_INFO("ANS not found");
onServiceDiscovered(connectionHandle);
}
return true; return true;
} }
if(service != nullptr && ble_uuid_cmp(((ble_uuid_t*)&ansServiceUuid), &service->uuid.u) == 0) { if (service != nullptr && ble_uuid_cmp(((ble_uuid_t *) &ansServiceUuid), &service->uuid.u) == 0) {
NRF_LOG_INFO("ANS discovered : 0x%x", service->start_handle); NRF_LOG_INFO("ANS discovered : 0x%x - 0x%x", service->start_handle, service->end_handle);
ansStartHandle = service->start_handle; ansStartHandle = service->start_handle;
ansEndHandle = service->end_handle; ansEndHandle = service->end_handle;
isDiscovered = true; isDiscovered = true;
} }
return false; return false;
} }
int AlertNotificationClient::OnCharacteristicsDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, int AlertNotificationClient::OnCharacteristicsDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error,
const ble_gatt_chr *characteristic) { const ble_gatt_chr *characteristic) {
if(error->status != 0 && error->status != BLE_HS_EDONE) { if (error->status != 0 && error->status != BLE_HS_EDONE) {
NRF_LOG_INFO("ANS Characteristic discovery ERROR"); NRF_LOG_INFO("ANS Characteristic discovery ERROR");
onServiceDiscovered(connectionHandle);
return 0; return 0;
} }
if(characteristic == nullptr && error->status == BLE_HS_EDONE) { if (characteristic == nullptr && error->status == BLE_HS_EDONE) {
NRF_LOG_INFO("ANS Characteristic discovery complete"); NRF_LOG_INFO("ANS Characteristic discovery complete");
if (isCharacteristicDiscovered) {
ble_gattc_disc_all_dscs(connectionHandle,
newAlertHandle, ansEndHandle,
OnAlertNotificationDescriptorDiscoveryEventCallback, this);
} else
onServiceDiscovered(connectionHandle);
} else { } else {
if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&supportedNewAlertCategoryUuid), &characteristic->uuid.u) == 0) { if (characteristic != nullptr &&
ble_uuid_cmp(((ble_uuid_t *) &supportedNewAlertCategoryUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("ANS Characteristic discovered : supportedNewAlertCategoryUuid"); NRF_LOG_INFO("ANS Characteristic discovered : supportedNewAlertCategoryUuid");
supportedNewAlertCategoryHandle = characteristic->val_handle; supportedNewAlertCategoryHandle = characteristic->val_handle;
} else if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&supportedUnreadAlertCategoryUuid), &characteristic->uuid.u) == 0) { } else if (characteristic != nullptr &&
ble_uuid_cmp(((ble_uuid_t *) &supportedUnreadAlertCategoryUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("ANS Characteristic discovered : supportedUnreadAlertCategoryUuid"); NRF_LOG_INFO("ANS Characteristic discovered : supportedUnreadAlertCategoryUuid");
supportedUnreadAlertCategoryHandle = characteristic->val_handle; supportedUnreadAlertCategoryHandle = characteristic->val_handle;
} else if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&newAlertUuid), &characteristic->uuid.u) == 0) { } else if (characteristic != nullptr &&
ble_uuid_cmp(((ble_uuid_t *) &newAlertUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("ANS Characteristic discovered : newAlertUuid"); NRF_LOG_INFO("ANS Characteristic discovered : newAlertUuid");
newAlertHandle = characteristic->val_handle; newAlertHandle = characteristic->val_handle;
newAlertDefHandle = characteristic->def_handle; newAlertDefHandle = characteristic->def_handle;
} else if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&unreadAlertStatusUuid), &characteristic->uuid.u) == 0) { isCharacteristicDiscovered = true;
} else if (characteristic != nullptr &&
ble_uuid_cmp(((ble_uuid_t *) &unreadAlertStatusUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("ANS Characteristic discovered : unreadAlertStatusUuid"); NRF_LOG_INFO("ANS Characteristic discovered : unreadAlertStatusUuid");
unreadAlertStatusHandle = characteristic->val_handle; unreadAlertStatusHandle = characteristic->val_handle;
} else if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&controlPointUuid), &characteristic->uuid.u) == 0) { } else if (characteristic != nullptr &&
ble_uuid_cmp(((ble_uuid_t *) &controlPointUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("ANS Characteristic discovered : controlPointUuid"); NRF_LOG_INFO("ANS Characteristic discovered : controlPointUuid");
controlPointHandle = characteristic->val_handle; controlPointHandle = characteristic->val_handle;
}else } else NRF_LOG_INFO("ANS Characteristic discovered : 0x%x", characteristic->val_handle);
NRF_LOG_INFO("ANS Characteristic discovered : 0x%x", characteristic->val_handle); }
}
return 0; return 0;
} }
int AlertNotificationClient::OnNewAlertSubcribe(uint16_t connectionHandle, const ble_gatt_error *error, int AlertNotificationClient::OnNewAlertSubcribe(uint16_t connectionHandle, const ble_gatt_error *error,
ble_gatt_attr *attribute) { ble_gatt_attr *attribute) {
if(error->status == 0) { if (error->status == 0) {
NRF_LOG_INFO("ANS New alert subscribe OK"); NRF_LOG_INFO("ANS New alert subscribe OK");
} else { } else {
NRF_LOG_INFO("ANS New alert subscribe ERROR"); NRF_LOG_INFO("ANS New alert subscribe ERROR");
} }
onServiceDiscovered(connectionHandle);
return 0; return 0;
} }
@ -88,35 +131,40 @@ int AlertNotificationClient::OnNewAlertSubcribe(uint16_t connectionHandle, const
int AlertNotificationClient::OnDescriptorDiscoveryEventCallback(uint16_t connectionHandle, const ble_gatt_error *error, int AlertNotificationClient::OnDescriptorDiscoveryEventCallback(uint16_t connectionHandle, const ble_gatt_error *error,
uint16_t characteristicValueHandle, uint16_t characteristicValueHandle,
const ble_gatt_dsc *descriptor) { const ble_gatt_dsc *descriptor) {
if(error->status == 0) { if (error->status == 0) {
if(characteristicValueHandle == newAlertHandle && ble_uuid_cmp(((ble_uuid_t*)&newAlertUuid), &descriptor->uuid.u)) { if (characteristicValueHandle == newAlertHandle &&
if(newAlertDescriptorHandle == 0) { ble_uuid_cmp(((ble_uuid_t *) &newAlertUuid), &descriptor->uuid.u)) {
if (newAlertDescriptorHandle == 0) {
NRF_LOG_INFO("ANS Descriptor discovered : %d", descriptor->handle); NRF_LOG_INFO("ANS Descriptor discovered : %d", descriptor->handle);
newAlertDescriptorHandle = descriptor->handle; newAlertDescriptorHandle = descriptor->handle;
isDescriptorFound = true;
uint8_t value[2]; uint8_t value[2];
value[0] = 1; value[0] = 1;
value[1] = 0; value[1] = 0;
ble_gattc_write_flat(connectionHandle, newAlertDescriptorHandle, value, sizeof(value), NewAlertSubcribeCallback, this); ble_gattc_write_flat(connectionHandle, newAlertDescriptorHandle, value, sizeof(value), NewAlertSubcribeCallback, this);
} }
} }
} else {
if (!isDescriptorFound)
onServiceDiscovered(connectionHandle);
} }
return 0; return 0;
} }
void AlertNotificationClient::OnNotification(ble_gap_event *event) { void AlertNotificationClient::OnNotification(ble_gap_event *event) {
if(event->notify_rx.attr_handle == newAlertHandle) { if (event->notify_rx.attr_handle == newAlertHandle) {
constexpr size_t stringTerminatorSize = 1; // end of string '\0' constexpr size_t stringTerminatorSize = 1; // end of string '\0'
constexpr size_t headerSize = 3; constexpr size_t headerSize = 3;
const auto maxMessageSize {NotificationManager::MaximumMessageSize()}; const auto maxMessageSize{NotificationManager::MaximumMessageSize()};
const auto maxBufferSize{maxMessageSize + headerSize}; const auto maxBufferSize{maxMessageSize + headerSize};
const auto dbgPacketLen = OS_MBUF_PKTLEN(event->notify_rx.om); const auto dbgPacketLen = OS_MBUF_PKTLEN(event->notify_rx.om);
size_t bufferSize = min(dbgPacketLen + stringTerminatorSize, maxBufferSize); size_t bufferSize = min(dbgPacketLen + stringTerminatorSize, maxBufferSize);
auto messageSize = min(maxMessageSize, (bufferSize-headerSize)); auto messageSize = min(maxMessageSize, (bufferSize - headerSize));
NotificationManager::Notification notif; NotificationManager::Notification notif;
os_mbuf_copydata(event->notify_rx.om, headerSize, messageSize-1, notif.message.data()); os_mbuf_copydata(event->notify_rx.om, headerSize, messageSize - 1, notif.message.data());
notif.message[messageSize-1] = '\0'; notif.message[messageSize - 1] = '\0';
notif.category = Pinetime::Controllers::NotificationManager::Categories::SimpleAlert; notif.category = Pinetime::Controllers::NotificationManager::Categories::SimpleAlert;
notificationManager.Push(std::move(notif)); notificationManager.Push(std::move(notif));
@ -124,18 +172,23 @@ void AlertNotificationClient::OnNotification(ble_gap_event *event) {
} }
} }
bool AlertNotificationClient::IsDiscovered() const { void AlertNotificationClient::Reset() {
return isDiscovered; ansStartHandle = 0;
ansEndHandle = 0;
supportedNewAlertCategoryHandle = 0;
supportedUnreadAlertCategoryHandle = 0;
newAlertHandle = 0;
newAlertDescriptorHandle = 0;
newAlertDefHandle = 0;
unreadAlertStatusHandle = 0;
controlPointHandle = 0;
isDiscovered = false;
isCharacteristicDiscovered = false;
isDescriptorFound = false;
} }
uint16_t AlertNotificationClient::StartHandle() const { void AlertNotificationClient::Discover(uint16_t connectionHandle, std::function<void(uint16_t)> onServiceDiscovered) {
return ansStartHandle; NRF_LOG_INFO("[ANS] Starting discovery");
} this->onServiceDiscovered = onServiceDiscovered;
ble_gattc_disc_svc_by_uuid(connectionHandle, &ansServiceUuid.u, OnDiscoveryEventCallback, this);
uint16_t AlertNotificationClient::EndHandle() const {
return ansEndHandle;
}
uint16_t AlertNotificationClient::NewAlerthandle() const {
return newAlertHandle;
} }

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@ -3,16 +3,12 @@
#include <cstdint> #include <cstdint>
#include <array> #include <array>
#include <host/ble_gap.h> #include <host/ble_gap.h>
#include "BleClient.h"
namespace Pinetime { namespace Pinetime {
namespace Controllers { namespace Controllers {
int NewAlertSubcribeCallback(uint16_t conn_handle, class AlertNotificationClient : public BleClient {
const struct ble_gatt_error *error,
struct ble_gatt_attr *attr,
void *arg);
class AlertNotificationClient {
public: public:
explicit AlertNotificationClient(Pinetime::System::SystemTask &systemTask, explicit AlertNotificationClient(Pinetime::System::SystemTask &systemTask,
Pinetime::Controllers::NotificationManager &notificationManager); Pinetime::Controllers::NotificationManager &notificationManager);
@ -24,13 +20,9 @@ namespace Pinetime {
int OnDescriptorDiscoveryEventCallback(uint16_t connectionHandle, const ble_gatt_error *error, int OnDescriptorDiscoveryEventCallback(uint16_t connectionHandle, const ble_gatt_error *error,
uint16_t characteristicValueHandle, const ble_gatt_dsc *descriptor); uint16_t characteristicValueHandle, const ble_gatt_dsc *descriptor);
void OnNotification(ble_gap_event *event); void OnNotification(ble_gap_event *event);
bool IsDiscovered() const; void Reset();
uint16_t StartHandle() const; void Discover(uint16_t connectionHandle, std::function<void(uint16_t)> lambda) override;
uint16_t EndHandle() const;
static constexpr const ble_uuid16_t &Uuid() { return ansServiceUuid; }
uint16_t NewAlerthandle() const;
private: private:
static constexpr uint16_t ansServiceId{0x1811}; static constexpr uint16_t ansServiceId{0x1811};
static constexpr uint16_t supportedNewAlertCategoryId = 0x2a47; static constexpr uint16_t supportedNewAlertCategoryId = 0x2a47;
@ -64,18 +56,21 @@ namespace Pinetime {
.value = controlPointId .value = controlPointId
}; };
uint16_t ansStartHandle; uint16_t ansStartHandle = 0;
uint16_t ansEndHandle; uint16_t ansEndHandle = 0;
uint16_t supportedNewAlertCategoryHandle; uint16_t supportedNewAlertCategoryHandle = 0;
uint16_t supportedUnreadAlertCategoryHandle; uint16_t supportedUnreadAlertCategoryHandle = 0;
uint16_t newAlertHandle; uint16_t newAlertHandle = 0;
uint16_t newAlertDescriptorHandle = 0; uint16_t newAlertDescriptorHandle = 0;
uint16_t newAlertDefHandle; uint16_t newAlertDefHandle = 0;
uint16_t unreadAlertStatusHandle; uint16_t unreadAlertStatusHandle = 0;
uint16_t controlPointHandle; uint16_t controlPointHandle = 0;
bool isDiscovered = false; bool isDiscovered = false;
Pinetime::System::SystemTask &systemTask; Pinetime::System::SystemTask &systemTask;
Pinetime::Controllers::NotificationManager &notificationManager; Pinetime::Controllers::NotificationManager &notificationManager;
std::function<void(uint16_t)> onServiceDiscovered;
bool isCharacteristicDiscovered = false;
bool isDescriptorFound = false;
}; };
} }
} }

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@ -0,0 +1,12 @@
#pragma once
#include <functional>
namespace Pinetime {
namespace Controllers{
class BleClient {
public:
virtual void Discover(uint16_t connectionHandle, std::function<void(uint16_t)> lambda) = 0;
};
}
}

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@ -6,7 +6,25 @@ using namespace Pinetime::Controllers;
constexpr ble_uuid16_t CurrentTimeClient::ctsServiceUuid; constexpr ble_uuid16_t CurrentTimeClient::ctsServiceUuid;
constexpr ble_uuid16_t CurrentTimeClient::currentTimeCharacteristicUuid; constexpr ble_uuid16_t CurrentTimeClient::currentTimeCharacteristicUuid;
CurrentTimeClient::CurrentTimeClient(DateTime& dateTimeController) : dateTimeController{dateTimeController} { namespace {
int OnDiscoveryEventCallback(uint16_t conn_handle, const struct ble_gatt_error *error, const struct ble_gatt_svc *service, void *arg) {
auto client = static_cast<CurrentTimeClient *>(arg);
return client->OnDiscoveryEvent(conn_handle, error, service);
}
int OnCurrentTimeCharacteristicDiscoveredCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
const struct ble_gatt_chr *chr, void *arg) {
auto client = static_cast<CurrentTimeClient *>(arg);
return client->OnCharacteristicDiscoveryEvent(conn_handle, error, chr);
}
int CurrentTimeReadCallback(uint16_t conn_handle, const struct ble_gatt_error *error, struct ble_gatt_attr *attr, void *arg) {
auto client = static_cast<CurrentTimeClient *>(arg);
return client->OnCurrentTimeReadResult(conn_handle, error, attr);
}
}
CurrentTimeClient::CurrentTimeClient(DateTime &dateTimeController) : dateTimeController{dateTimeController} {
} }
@ -14,64 +32,80 @@ void CurrentTimeClient::Init() {
} }
bool CurrentTimeClient::OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, const ble_gatt_svc *service) { bool CurrentTimeClient::OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error,
if(service == nullptr && error->status == BLE_HS_EDONE) { const ble_gatt_svc *service) {
NRF_LOG_INFO("CTS Discovery complete"); if (service == nullptr && error->status == BLE_HS_EDONE) {
return true; if (isDiscovered) {
} NRF_LOG_INFO("CTS found, starting characteristics discovery");
if(service != nullptr && ble_uuid_cmp(((ble_uuid_t*)&ctsServiceUuid), &service->uuid.u) == 0) { ble_gattc_disc_all_chrs(connectionHandle, ctsStartHandle, ctsEndHandle,
NRF_LOG_INFO("CTS discovered : 0x%x", service->start_handle); OnCurrentTimeCharacteristicDiscoveredCallback, this);
isDiscovered = true; } else {
ctsStartHandle = service->start_handle; NRF_LOG_INFO("CTS not found");
ctsEndHandle = service->end_handle; onServiceDiscovered(connectionHandle);
return false;
} }
return true;
}
if (service != nullptr && ble_uuid_cmp(((ble_uuid_t *) &ctsServiceUuid), &service->uuid.u) == 0) {
NRF_LOG_INFO("CTS discovered : 0x%x - 0x%x", service->start_handle, service->end_handle);
isDiscovered = true;
ctsStartHandle = service->start_handle;
ctsEndHandle = service->end_handle;
return false; return false;
}
return false;
} }
int CurrentTimeClient::OnCharacteristicDiscoveryEvent(uint16_t conn_handle, const ble_gatt_error *error, int CurrentTimeClient::OnCharacteristicDiscoveryEvent(uint16_t conn_handle, const ble_gatt_error *error,
const ble_gatt_chr *characteristic) { const ble_gatt_chr *characteristic) {
if(characteristic == nullptr && error->status == BLE_HS_EDONE) { if (characteristic == nullptr && error->status == BLE_HS_EDONE) {
NRF_LOG_INFO("CTS Characteristic discovery complete"); if (isCharacteristicDiscovered) {
return 0; NRF_LOG_INFO("CTS Characteristic discovery complete, fetching time");
} ble_gattc_read(conn_handle, currentTimeHandle, CurrentTimeReadCallback, this);
if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&currentTimeCharacteristicUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("CTS Characteristic discovered : 0x%x", characteristic->val_handle);
currentTimeHandle = characteristic->val_handle;
}
return 0;
}
int CurrentTimeClient::OnCurrentTimeReadResult(uint16_t conn_handle, const ble_gatt_error *error, const ble_gatt_attr *attribute) {
if(error->status == 0) {
// TODO check that attribute->handle equals the handle discovered in OnCharacteristicDiscoveryEvent
CtsData result;
os_mbuf_copydata(attribute->om, 0, sizeof(CtsData), &result);
NRF_LOG_INFO("Received data: %d-%d-%d %d:%d:%d", result.year,
result.month, result.dayofmonth,
result.hour, result.minute, result.second);
dateTimeController.SetTime(result.year, result.month, result.dayofmonth,
0, result.hour, result.minute, result.second, nrf_rtc_counter_get(portNRF_RTC_REG));
} else { } else {
NRF_LOG_INFO("Error retrieving current time: %d", error->status); NRF_LOG_INFO("CTS Characteristic discovery unsuccessful");
onServiceDiscovered(conn_handle);
} }
return 0; return 0;
}
if (characteristic != nullptr &&
ble_uuid_cmp(((ble_uuid_t *) &currentTimeCharacteristicUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("CTS Characteristic discovered : 0x%x", characteristic->val_handle);
isCharacteristicDiscovered = true;
currentTimeHandle = characteristic->val_handle;
}
return 0;
} }
bool CurrentTimeClient::IsDiscovered() const { int CurrentTimeClient::OnCurrentTimeReadResult(uint16_t conn_handle, const ble_gatt_error *error,
return isDiscovered; const ble_gatt_attr *attribute) {
if (error->status == 0) {
// TODO check that attribute->handle equals the handle discovered in OnCharacteristicDiscoveryEvent
CtsData result;
os_mbuf_copydata(attribute->om, 0, sizeof(CtsData), &result);
NRF_LOG_INFO("Received data: %d-%d-%d %d:%d:%d", result.year,
result.month, result.dayofmonth,
result.hour, result.minute, result.second);
dateTimeController.SetTime(result.year, result.month, result.dayofmonth,
0, result.hour, result.minute, result.second, nrf_rtc_counter_get(portNRF_RTC_REG));
} else {
NRF_LOG_INFO("Error retrieving current time: %d", error->status);
}
onServiceDiscovered(conn_handle);
return 0;
} }
uint16_t CurrentTimeClient::StartHandle() const { void CurrentTimeClient::Reset() {
return ctsStartHandle; isDiscovered = false;
isCharacteristicDiscovered = false;
} }
uint16_t CurrentTimeClient::EndHandle() const { void CurrentTimeClient::Discover(uint16_t connectionHandle, std::function<void(uint16_t)> onServiceDiscovered) {
return ctsEndHandle; NRF_LOG_INFO("[CTS] Starting discovery");
} this->onServiceDiscovered = onServiceDiscovered;
ble_gattc_disc_svc_by_uuid(connectionHandle, &ctsServiceUuid.u, OnDiscoveryEventCallback, this);
uint16_t CurrentTimeClient::CurrentTimeHandle() const {
return currentTimeHandle;
} }

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@ -3,26 +3,26 @@
#include <array> #include <array>
#include "components/datetime/DateTimeController.h" #include "components/datetime/DateTimeController.h"
#include "BleClient.h"
#include <host/ble_gap.h> #include <host/ble_gap.h>
namespace Pinetime { namespace Pinetime {
namespace Controllers { namespace Controllers {
class CurrentTimeClient { class CurrentTimeClient : public BleClient {
public: public:
explicit CurrentTimeClient(DateTime& dateTimeController); explicit CurrentTimeClient(DateTime& dateTimeController);
void Init(); void Init();
void Reset();
bool OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, const ble_gatt_svc *service); bool OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, const ble_gatt_svc *service);
int OnCharacteristicDiscoveryEvent(uint16_t conn_handle, const ble_gatt_error *error, int OnCharacteristicDiscoveryEvent(uint16_t conn_handle, const ble_gatt_error *error,
const ble_gatt_chr *characteristic); const ble_gatt_chr *characteristic);
int OnCurrentTimeReadResult(uint16_t conn_handle, const ble_gatt_error *error, const ble_gatt_attr *attribute); int OnCurrentTimeReadResult(uint16_t conn_handle, const ble_gatt_error *error, const ble_gatt_attr *attribute);
bool IsDiscovered() const;
uint16_t StartHandle() const;
uint16_t EndHandle() const;
uint16_t CurrentTimeHandle() const;
static constexpr const ble_uuid16_t* Uuid() { return &CurrentTimeClient::ctsServiceUuid; } static constexpr const ble_uuid16_t* Uuid() { return &CurrentTimeClient::ctsServiceUuid; }
static constexpr const ble_uuid16_t* CurrentTimeCharacteristicUuid() { return &CurrentTimeClient::currentTimeCharacteristicUuid; } static constexpr const ble_uuid16_t* CurrentTimeCharacteristicUuid() { return &CurrentTimeClient::currentTimeCharacteristicUuid; }
private: void Discover(uint16_t connectionHandle, std::function<void(uint16_t)> lambda) override;
private:
typedef struct __attribute__((packed)) { typedef struct __attribute__((packed)) {
uint16_t year; uint16_t year;
uint8_t month; uint8_t month;
@ -46,11 +46,14 @@ namespace Pinetime {
.value = currentTimeCharacteristicId .value = currentTimeCharacteristicId
}; };
uint16_t currentTimeHandle;
DateTime& dateTimeController; DateTime& dateTimeController;
bool isDiscovered = false; bool isDiscovered = false;
uint16_t ctsStartHandle; uint16_t ctsStartHandle;
uint16_t ctsEndHandle; uint16_t ctsEndHandle;
bool isCharacteristicDiscovered = false;
uint16_t currentTimeHandle;
std::function<void(uint16_t)> onServiceDiscovered;
}; };
} }
} }

View file

@ -1,10 +1,7 @@
#include "components/datetime/DateTimeController.h" #include "components/datetime/DateTimeController.h"
#include <systemtask/SystemTask.h> #include <systemtask/SystemTask.h>
#include "components/ble/NotificationManager.h" #include "components/ble/NotificationManager.h"
#include <hal/nrf_rtc.h> #include <hal/nrf_rtc.h>
#include "NimbleController.h" #include "NimbleController.h"
#include "MusicService.h" #include "MusicService.h"
#include <services/gatt/ble_svc_gatt.h> #include <services/gatt/ble_svc_gatt.h>
@ -14,14 +11,8 @@
#include <host/ble_hs.h> #include <host/ble_hs.h>
#include <host/ble_gap.h> #include <host/ble_gap.h>
using namespace Pinetime::Controllers; using namespace Pinetime::Controllers;
// TODO I'm not satisfied by how this code looks like (AlertNotificationClient and CurrentTimeClient must
// expose too much data, too many callbacks -> NimbleController -> CTS/ANS client.
// Let's try to improve this code (and keep it working!)
NimbleController::NimbleController(Pinetime::System::SystemTask& systemTask, NimbleController::NimbleController(Pinetime::System::SystemTask& systemTask,
Pinetime::Controllers::Ble& bleController, Pinetime::Controllers::Ble& bleController,
DateTime& dateTimeController, DateTime& dateTimeController,
@ -40,8 +31,8 @@ NimbleController::NimbleController(Pinetime::System::SystemTask& systemTask,
currentTimeService{dateTimeController}, currentTimeService{dateTimeController},
musicService{systemTask}, musicService{systemTask},
batteryInformationService{batteryController}, batteryInformationService{batteryController},
immediateAlertService{systemTask, notificationManager} { immediateAlertService{systemTask, notificationManager},
serviceDiscovery({&currentTimeClient, &alertNotificationClient}) {
} }
int GAPEventCallback(struct ble_gap_event *event, void *arg) { int GAPEventCallback(struct ble_gap_event *event, void *arg) {
@ -49,33 +40,6 @@ int GAPEventCallback(struct ble_gap_event *event, void *arg) {
return nimbleController->OnGAPEvent(event); return nimbleController->OnGAPEvent(event);
} }
int CurrentTimeCharacteristicDiscoveredCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
const struct ble_gatt_chr *chr, void *arg) {
auto client = static_cast<NimbleController*>(arg);
return client->OnCTSCharacteristicDiscoveryEvent(conn_handle, error, chr);
}
int AlertNotificationCharacteristicDiscoveredCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
const struct ble_gatt_chr *chr, void *arg) {
auto client = static_cast<NimbleController*>(arg);
return client->OnANSCharacteristicDiscoveryEvent(conn_handle, error, chr);
}
int CurrentTimeReadCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
struct ble_gatt_attr *attr, void *arg) {
auto client = static_cast<NimbleController*>(arg);
return client->OnCurrentTimeReadResult(conn_handle, error, attr);
}
int AlertNotificationDescriptorDiscoveryEventCallback(uint16_t conn_handle,
const struct ble_gatt_error *error,
uint16_t chr_val_handle,
const struct ble_gatt_dsc *dsc,
void *arg) {
auto client = static_cast<NimbleController*>(arg);
return client->OnANSDescriptorDiscoveryEventCallback(conn_handle, error, chr_val_handle, dsc);
}
void NimbleController::Init() { void NimbleController::Init() {
while (!ble_hs_synced()) {} while (!ble_hs_synced()) {}
@ -108,7 +72,7 @@ void NimbleController::Init() {
} }
void NimbleController::StartAdvertising() { void NimbleController::StartAdvertising() {
if(ble_gap_adv_active()) return; if(bleController.IsConnected() || ble_gap_conn_active() || ble_gap_adv_active()) return;
ble_svc_gap_device_name_set(deviceName); ble_svc_gap_device_name_set(deviceName);
@ -158,15 +122,6 @@ void NimbleController::StartAdvertising() {
// the application has been woken up, for example. // the application has been woken up, for example.
} }
int OnAllSvrDisco(uint16_t conn_handle,
const struct ble_gatt_error *error,
const struct ble_gatt_svc *service,
void *arg) {
auto nimbleController = static_cast<NimbleController*>(arg);
return nimbleController->OnDiscoveryEvent(conn_handle, error, service);
return 0;
}
int NimbleController::OnGAPEvent(ble_gap_event *event) { int NimbleController::OnGAPEvent(ble_gap_event *event) {
switch (event->type) { switch (event->type) {
case BLE_GAP_EVENT_ADV_COMPLETE: case BLE_GAP_EVENT_ADV_COMPLETE:
@ -197,6 +152,8 @@ int NimbleController::OnGAPEvent(ble_gap_event *event) {
NRF_LOG_INFO("disconnect; reason=%d", event->disconnect.reason); NRF_LOG_INFO("disconnect; reason=%d", event->disconnect.reason);
/* Connection terminated; resume advertising. */ /* Connection terminated; resume advertising. */
currentTimeClient.Reset();
alertNotificationClient.Reset();
connectionHandle = BLE_HS_CONN_HANDLE_NONE; connectionHandle = BLE_HS_CONN_HANDLE_NONE;
bleController.Disconnect(); bleController.Disconnect();
StartAdvertising(); StartAdvertising();
@ -269,65 +226,8 @@ int NimbleController::OnGAPEvent(ble_gap_event *event) {
return 0; return 0;
} }
int NimbleController::OnDiscoveryEvent(uint16_t i, const ble_gatt_error *error, const ble_gatt_svc *service) {
if(service == nullptr && error->status == BLE_HS_EDONE) {
NRF_LOG_INFO("Service Discovery complete");
if(currentTimeClient.IsDiscovered()) {
ble_gattc_disc_all_chrs(connectionHandle, currentTimeClient.StartHandle(), currentTimeClient.EndHandle(),
CurrentTimeCharacteristicDiscoveredCallback, this);
} else if(alertNotificationClient.IsDiscovered()) {
ble_gattc_disc_all_chrs(connectionHandle, alertNotificationClient.StartHandle(), alertNotificationClient.EndHandle(),
AlertNotificationCharacteristicDiscoveredCallback, this);
}
}
alertNotificationClient.OnDiscoveryEvent(i, error, service);
currentTimeClient.OnDiscoveryEvent(i, error, service);
return 0;
}
int NimbleController::OnCTSCharacteristicDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error,
const ble_gatt_chr *characteristic) {
if(characteristic == nullptr && error->status == BLE_HS_EDONE) {
NRF_LOG_INFO("CTS characteristic Discovery complete");
ble_gattc_read(connectionHandle, currentTimeClient.CurrentTimeHandle(), CurrentTimeReadCallback, this);
return 0;
}
return currentTimeClient.OnCharacteristicDiscoveryEvent(connectionHandle, error, characteristic);
}
int NimbleController::OnANSCharacteristicDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error,
const ble_gatt_chr *characteristic) {
if(characteristic == nullptr && error->status == BLE_HS_EDONE) {
NRF_LOG_INFO("ANS characteristic Discovery complete");
ble_gattc_disc_all_dscs(connectionHandle,
alertNotificationClient.NewAlerthandle(), alertNotificationClient.EndHandle(),
AlertNotificationDescriptorDiscoveryEventCallback, this);
return 0;
}
return alertNotificationClient.OnCharacteristicsDiscoveryEvent(connectionHandle, error, characteristic);
}
int NimbleController::OnCurrentTimeReadResult(uint16_t connectionHandle, const ble_gatt_error *error, ble_gatt_attr *attribute) {
currentTimeClient.OnCurrentTimeReadResult(connectionHandle, error, attribute);
if (alertNotificationClient.IsDiscovered()) {
ble_gattc_disc_all_chrs(connectionHandle, alertNotificationClient.StartHandle(),
alertNotificationClient.EndHandle(),
AlertNotificationCharacteristicDiscoveredCallback, this);
}
return 0;
}
int NimbleController::OnANSDescriptorDiscoveryEventCallback(uint16_t connectionHandle, const ble_gatt_error *error,
uint16_t characteristicValueHandle,
const ble_gatt_dsc *descriptor) {
return alertNotificationClient.OnDescriptorDiscoveryEventCallback(connectionHandle, error, characteristicValueHandle, descriptor);
}
void NimbleController::StartDiscovery() { void NimbleController::StartDiscovery() {
ble_gattc_disc_all_svcs(connectionHandle, OnAllSvrDisco, this); serviceDiscovery.StartDiscovery(connectionHandle);
} }

View file

@ -11,6 +11,7 @@
#include "MusicService.h" #include "MusicService.h"
#include "BatteryInformationService.h" #include "BatteryInformationService.h"
#include "ImmediateAlertService.h" #include "ImmediateAlertService.h"
#include "ServiceDiscovery.h"
#include <host/ble_gap.h> #include <host/ble_gap.h>
namespace Pinetime { namespace Pinetime {
@ -71,6 +72,8 @@ namespace Pinetime {
.value = {0x23, 0xD1, 0xBC, 0xEA, 0x5F, 0x78, 0x23, 0x15, .value = {0x23, 0xD1, 0xBC, 0xEA, 0x5F, 0x78, 0x23, 0x15,
0xDE, 0xEF, 0x12, 0x12, 0x30, 0x15, 0x00, 0x00} 0xDE, 0xEF, 0x12, 0x12, 0x30, 0x15, 0x00, 0x00}
}; };
ServiceDiscovery serviceDiscovery;
}; };
} }
} }

View file

@ -0,0 +1,31 @@
#include <libraries/log/nrf_log.h>
#include "ServiceDiscovery.h"
using namespace Pinetime::Controllers;
ServiceDiscovery::ServiceDiscovery(std::array<BleClient*, 2>&& clients) : clients{clients} {
}
void ServiceDiscovery::StartDiscovery(uint16_t connectionHandle) {
NRF_LOG_INFO("[Discovery] Starting discovery");
clientIterator = clients.begin();
DiscoverNextService(connectionHandle);
}
void ServiceDiscovery::OnServiceDiscovered(uint16_t connectionHandle) {
clientIterator++;
if(clientIterator != clients.end()) {
DiscoverNextService(connectionHandle);
} else {
NRF_LOG_INFO("End of service discovery");
}
}
void ServiceDiscovery::DiscoverNextService(uint16_t connectionHandle) {
NRF_LOG_INFO("[Discovery] Discover next service");
auto discoverNextService = [this](uint16_t connectionHandle){
this->OnServiceDiscovered(connectionHandle);
};
(*clientIterator)->Discover(connectionHandle, discoverNextService);
}

View file

@ -0,0 +1,24 @@
#pragma once
#include <array>
#include <functional>
#include <memory>
#include "BleClient.h"
namespace Pinetime {
namespace Controllers {
class ServiceDiscovery {
public:
ServiceDiscovery(std::array<BleClient*, 2>&& bleClients);
void StartDiscovery(uint16_t connectionHandle);
private:
BleClient** clientIterator;
std::array<BleClient*, 2> clients;
void OnServiceDiscovered(uint16_t connectionHandle);
void DiscoverNextService(uint16_t connectionHandle);
};
}
}