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-rw-r--r--src/components/ble/HeartRateService.cpp82
-rw-r--r--src/components/ble/HeartRateService.h42
-rw-r--r--src/components/ble/NimbleController.cpp13
-rw-r--r--src/components/ble/NimbleController.h5
4 files changed, 140 insertions, 2 deletions
diff --git a/src/components/ble/HeartRateService.cpp b/src/components/ble/HeartRateService.cpp
new file mode 100644
index 0000000..4824a6b
--- /dev/null
+++ b/src/components/ble/HeartRateService.cpp
@@ -0,0 +1,82 @@
+#include "components/ble/HeartRateService.h"
+#include "components/heartrate/HeartRateController.h"
+#include "systemtask/SystemTask.h"
+#include <nrf_log.h>
+
+using namespace Pinetime::Controllers;
+
+constexpr ble_uuid16_t HeartRateService::heartRateServiceUuid;
+constexpr ble_uuid16_t HeartRateService::heartRateMeasurementUuid;
+
+namespace {
+ int HeartRateServiceCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt, void* arg) {
+ auto* heartRateService = static_cast<HeartRateService*>(arg);
+ return heartRateService->OnHeartRateRequested(conn_handle, attr_handle, ctxt);
+ }
+}
+
+// TODO Refactoring - remove dependency to SystemTask
+HeartRateService::HeartRateService(Pinetime::System::SystemTask& system, Controllers::HeartRateController& heartRateController)
+ : system {system},
+ heartRateController {heartRateController},
+ characteristicDefinition {{.uuid = &heartRateMeasurementUuid.u,
+ .access_cb = HeartRateServiceCallback,
+ .arg = this,
+ .flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_NOTIFY,
+ .val_handle = &heartRateMeasurementHandle},
+ {0}},
+ serviceDefinition {
+ {/* Device Information Service */
+ .type = BLE_GATT_SVC_TYPE_PRIMARY,
+ .uuid = &heartRateServiceUuid.u,
+ .characteristics = characteristicDefinition},
+ {0},
+ } {
+ // TODO refactor to prevent this loop dependency (service depends on controller and controller depends on service)
+ heartRateController.SetService(this);
+}
+
+void HeartRateService::Init() {
+ int res = 0;
+ res = ble_gatts_count_cfg(serviceDefinition);
+ ASSERT(res == 0);
+
+ res = ble_gatts_add_svcs(serviceDefinition);
+ ASSERT(res == 0);
+}
+
+int HeartRateService::OnHeartRateRequested(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt* context) {
+ if (attributeHandle == heartRateMeasurementHandle) {
+ NRF_LOG_INFO("HEARTRATE : handle = %d", heartRateMeasurementHandle);
+ uint8_t buffer[2] = {0, heartRateController.HeartRate()}; // [0] = flags, [1] = hr value
+
+ int res = os_mbuf_append(context->om, buffer, 2);
+ return (res == 0) ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
+ }
+ return 0;
+}
+
+void HeartRateService::OnNewHeartRateValue(uint8_t heartRateValue) {
+ if(!heartRateMeasurementNotificationEnable) return;
+
+ uint8_t buffer[2] = {0, heartRateController.HeartRate()}; // [0] = flags, [1] = hr value
+ auto* om = ble_hs_mbuf_from_flat(buffer, 2);
+
+ uint16_t connectionHandle = system.nimble().connHandle();
+
+ if (connectionHandle == 0 || connectionHandle == BLE_HS_CONN_HANDLE_NONE) {
+ return;
+ }
+
+ ble_gattc_notify_custom(connectionHandle, heartRateMeasurementHandle, om);
+}
+
+void HeartRateService::SubscribeNotification(uint16_t connectionHandle, uint16_t attributeHandle) {
+ if(attributeHandle == heartRateMeasurementHandle)
+ heartRateMeasurementNotificationEnable = true;
+}
+
+void HeartRateService::UnsubscribeNotification(uint16_t connectionHandle, uint16_t attributeHandle) {
+ if(attributeHandle == heartRateMeasurementHandle)
+ heartRateMeasurementNotificationEnable = false;
+} \ No newline at end of file
diff --git a/src/components/ble/HeartRateService.h b/src/components/ble/HeartRateService.h
new file mode 100644
index 0000000..4e4a5a4
--- /dev/null
+++ b/src/components/ble/HeartRateService.h
@@ -0,0 +1,42 @@
+#pragma once
+#define min // workaround: nimble's min/max macros conflict with libstdc++
+#define max
+#include <host/ble_gap.h>
+#include <atomic>
+#undef max
+#undef min
+
+namespace Pinetime {
+ namespace System {
+ class SystemTask;
+ }
+ namespace Controllers {
+ class HeartRateController;
+ class HeartRateService {
+ public:
+ HeartRateService(Pinetime::System::SystemTask& system, Controllers::HeartRateController& heartRateController);
+ void Init();
+ int OnHeartRateRequested(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt* context);
+ void OnNewHeartRateValue(uint8_t hearRateValue);
+
+ void SubscribeNotification(uint16_t connectionHandle, uint16_t attributeHandle);
+ void UnsubscribeNotification(uint16_t connectionHandle, uint16_t attributeHandle);
+
+ private:
+ Pinetime::System::SystemTask& system;
+ Controllers::HeartRateController& heartRateController;
+ static constexpr uint16_t heartRateServiceId {0x180D};
+ static constexpr uint16_t heartRateMeasurementId {0x2A37};
+
+ static constexpr ble_uuid16_t heartRateServiceUuid {.u {.type = BLE_UUID_TYPE_16}, .value = heartRateServiceId};
+
+ static constexpr ble_uuid16_t heartRateMeasurementUuid {.u {.type = BLE_UUID_TYPE_16}, .value = heartRateMeasurementId};
+
+ struct ble_gatt_chr_def characteristicDefinition[2];
+ struct ble_gatt_svc_def serviceDefinition[2];
+
+ uint16_t heartRateMeasurementHandle;
+ std::atomic_bool heartRateMeasurementNotificationEnable {false};
+ };
+ }
+}
diff --git a/src/components/ble/NimbleController.cpp b/src/components/ble/NimbleController.cpp
index f63d98c..bc712f4 100644
--- a/src/components/ble/NimbleController.cpp
+++ b/src/components/ble/NimbleController.cpp
@@ -27,7 +27,8 @@ NimbleController::NimbleController(Pinetime::System::SystemTask& systemTask,
DateTime& dateTimeController,
NotificationManager& notificationManager,
Battery& batteryController,
- Pinetime::Drivers::SpiNorFlash& spiNorFlash
+ Pinetime::Drivers::SpiNorFlash& spiNorFlash,
+ HeartRateController& heartRateController
)
: systemTask {systemTask},
bleController {bleController},
@@ -42,6 +43,7 @@ NimbleController::NimbleController(Pinetime::System::SystemTask& systemTask,
currentTimeService {dateTimeController},
batteryInformationService {batteryController},
immediateAlertService {systemTask, notificationManager},
+ heartRateService {systemTask, heartRateController},
serviceDiscovery({&currentTimeClient, &alertNotificationClient}) {
}
@@ -84,6 +86,7 @@ void NimbleController::Init() {
dfuService.Init();
batteryInformationService.Init();
immediateAlertService.Init();
+ heartRateService.Init();
int rc;
rc = ble_hs_util_ensure_addr(0);
@@ -240,6 +243,14 @@ int NimbleController::OnGAPEvent(ble_gap_event* event) {
event->subscribe.prev_notify,
event->subscribe.cur_notify,
event->subscribe.prev_indicate);
+
+ if (event->subscribe.reason == BLE_GAP_SUBSCRIBE_REASON_TERM) {
+ heartRateService.UnsubscribeNotification(event->subscribe.conn_handle, event->subscribe.attr_handle);
+ } else if (event->subscribe.prev_notify == 0 && event->subscribe.cur_notify == 1) {
+ heartRateService.SubscribeNotification(event->subscribe.conn_handle, event->subscribe.attr_handle);
+ } else if (event->subscribe.prev_notify == 1 && event->subscribe.cur_notify == 0) {
+ heartRateService.UnsubscribeNotification(event->subscribe.conn_handle, event->subscribe.attr_handle);
+ }
break;
case BLE_GAP_EVENT_MTU:
diff --git a/src/components/ble/NimbleController.h b/src/components/ble/NimbleController.h
index c9d6420..0facca6 100644
--- a/src/components/ble/NimbleController.h
+++ b/src/components/ble/NimbleController.h
@@ -14,6 +14,7 @@
#include "components/ble/CurrentTimeService.h"
#include "components/ble/DeviceInformationService.h"
#include "components/ble/DfuService.h"
+#include "components/ble/HeartRateService.h"
#include "components/ble/ImmediateAlertService.h"
#include "components/ble/ServiceDiscovery.h"
@@ -39,7 +40,8 @@ namespace Pinetime {
DateTime& dateTimeController,
NotificationManager& notificationManager,
Battery& batteryController,
- Pinetime::Drivers::SpiNorFlash& spiNorFlash);
+ Pinetime::Drivers::SpiNorFlash& spiNorFlash,
+ HeartRateController& heartRateController);
void Init();
void StartAdvertising();
int OnGAPEvent(ble_gap_event* event);
@@ -72,6 +74,7 @@ namespace Pinetime {
CurrentTimeService currentTimeService;
BatteryInformationService batteryInformationService;
ImmediateAlertService immediateAlertService;
+ HeartRateService heartRateService;
ServiceDiscovery serviceDiscovery;
uint8_t addrType;
generated by cgit v0.10.2 at 2026-01-09 16:23:26 (GMT)