1 files changed, 78 insertions, 0 deletions
diff --git a/src/Components/Ble/CurrentTimeClient.cpp b/src/Components/Ble/CurrentTimeClient.cpp
new file mode 100644
index 00000000..524c37d5
--- /dev/null
+++ b/src/Components/Ble/CurrentTimeClient.cpp
@@ -0,0 +1,78 @@
+#include <hal/nrf_rtc.h>
+#include "CurrentTimeClient.h"
+
+using namespace Pinetime::Controllers;
+
+constexpr ble_uuid16_t CurrentTimeClient::ctsServiceUuid;
+constexpr ble_uuid16_t CurrentTimeClient::currentTimeCharacteristicUuid;
+
+int Pinetime::Controllers::CurrentTimeDiscoveryEventCallback(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 Pinetime::Controllers::CurrentTimeCharacteristicDiscoveredCallback(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 Pinetime::Controllers::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} {
+
+}
+
+void CurrentTimeClient::Init() {
+
+}
+
+void CurrentTimeClient::StartDiscovery(uint16_t connectionHandle) {
+  ble_gattc_disc_svc_by_uuid(connectionHandle, ((ble_uuid_t*)&ctsServiceUuid), CurrentTimeDiscoveryEventCallback, this);
+}
+
+int CurrentTimeClient::OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, const ble_gatt_svc *service) {
+  if(service == nullptr && error->status == BLE_HS_EDONE)
+    NRF_LOG_INFO("Discovery complete");
+
+  if(service != nullptr && ble_uuid_cmp(((ble_uuid_t*)&ctsServiceUuid), &service->uuid.u) == 0) {
+    NRF_LOG_INFO("CTS discovered : 0x%x", service->start_handle);
+    ble_gattc_disc_chrs_by_uuid(connectionHandle, service->start_handle, service->end_handle, ((ble_uuid_t*)&currentTimeCharacteristicUuid), CurrentTimeCharacteristicDiscoveredCallback, this);
+  }
+  return 0;
+}
+
+int CurrentTimeClient::OnCharacteristicDiscoveryEvent(uint16_t conn_handle, const ble_gatt_error *error,
+                                   const ble_gatt_chr *characteristic) {
+  if(characteristic == nullptr && error->status == BLE_HS_EDONE)
+    NRF_LOG_INFO("Characteristic discovery complete");
+
+  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);
+
+    ble_gattc_read(conn_handle, characteristic->val_handle, CurrentTimeReadCallback, this);
+  }
+  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 {
+    NRF_LOG_INFO("Error retrieving current time: %d", error->status);
+  }
+  return 0;
+}