Add a simple service to allow setting the time from a controlling

application

src/Components/Ble/PinetimeService.cpp

@@ -0,0 +1,73 @@
+#include "PinetimeService.h"
+#include <hal/nrf_rtc.h>
+
+using namespace Pinetime::Controllers;
+
+constexpr ble_uuid16_t PinetimeService::pinetimeUuid;
+constexpr ble_uuid16_t PinetimeService::timeUuid;
+
+
+int PinetimeTimeCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg) {
+  auto pinetimeService = static_cast<PinetimeService*>(arg);
+  return pinetimeService->OnTimeAccessed(conn_handle, attr_handle, ctxt);
+}
+
+void PinetimeService::Init() {
+  ble_gatts_count_cfg(serviceDefinition);
+  ble_gatts_add_svcs(serviceDefinition);
+}
+
+
+int PinetimeService::OnTimeAccessed(uint16_t conn_handle, uint16_t attr_handle,
+                                                    struct ble_gatt_access_ctxt *ctxt) {
+
+    NRF_LOG_INFO("Setting time...");
+
+  if (ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
+      if (m_dateTimeController) {
+          CtsData result;
+          os_mbuf_copydata(ctxt->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);
+
+          m_dateTimeController->SetTime(result.year, result.month, result.dayofmonth,
+                               0, result.hour, result.minute, result.second, nrf_rtc_counter_get(portNRF_RTC_REG));
+      }
+  }
+  return 0;
+}
+
+PinetimeService::PinetimeService() :
+        characteristicDefinition{
+                {
+                        .uuid = (ble_uuid_t *) &timeUuid,
+                        .access_cb = PinetimeTimeCallback,
+
+                        .arg = this,
+                        .flags = BLE_GATT_CHR_F_WRITE
+                },
+                {
+                  0
+                }
+        },
+        serviceDefinition{
+                {
+                        /* Device Information Service */
+                        .type = BLE_GATT_SVC_TYPE_PRIMARY,
+                        .uuid = (ble_uuid_t *) &pinetimeUuid,
+                        .characteristics = characteristicDefinition
+                },
+                {
+                        0
+                },
+        }
+         {
+
+}
+
+void PinetimeService::setDateTimeController(DateTime *dateTimeController)
+{
+        m_dateTimeController = dateTimeController;
+}