Import of the watch repository from Pebble

src/fw/services/common/bluetooth/pp_ble_control.c

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define FILE_LOG_COLOR LOG_COLOR_BLUE
+
+#include "pp_ble_control.h"
+#include "services/common/bluetooth/pairability.h"
+#include "system/logging.h"
+#include "system/passert.h"
+#include "util/attributes.h"
+
+typedef enum {
+  // Values 0 - 3 are deprecated, do not use.
+  BLEControlCommandTypeSetDiscoverablePairable = 4,
+} BLEControlCommandType;
+
+typedef struct PACKED {
+  uint8_t opcode;
+  bool discoverable_pairable;
+  uint16_t duration;
+} BLEControlCommandSetDiscoverablePairable;
+
+// -----------------------------------------------------------------------------
+//! Handler for the "Set Discoverable & Pairable" command
+static void prv_handle_set_discoverable_pairable(
+    BLEControlCommandSetDiscoverablePairable *cmd_data) {
+  bt_pairability_use_ble_for_period(cmd_data->duration);
+  PBL_LOG(LOG_LEVEL_INFO, "Set Discoverable Pairable: %u, %u",
+          cmd_data->discoverable_pairable, cmd_data->duration);
+}
+
+// -----------------------------------------------------------------------------
+//! Pebble protocol handler for the BLE control endpoint
+void pp_ble_control_protocol_msg_callback(
+    CommSession* session, const uint8_t *data, unsigned int length) {
+  PBL_ASSERT_RUNNING_FROM_EXPECTED_TASK(PebbleTask_KernelBackground);
+
+  if (length < sizeof(BLEControlCommandSetDiscoverablePairable)) {
+    PBL_LOG(LOG_LEVEL_WARNING, "Invalid pp_ble_control_protocol_msg_callback message: %d", length);
+    return;
+  }
+
+  const uint8_t opcode = *(const uint8_t *) data;
+  switch (opcode) {
+    case 0 ... 3:
+      PBL_LOG(LOG_LEVEL_INFO, "Deprecated & unsupported opcode: %u", opcode);
+      break;
+
+    case BLEControlCommandTypeSetDiscoverablePairable: {
+      BLEControlCommandSetDiscoverablePairable *cmd_data =
+          (BLEControlCommandSetDiscoverablePairable *)data;
+      prv_handle_set_discoverable_pairable(cmd_data);
+      break;
+    }
+    default:
+      PBL_LOG(LOG_LEVEL_DEBUG, "Unknown opcode %u", opcode);
+      break;
+  }
+}