wiseconnect: BLE SDK files

Origin: Silicon Labs WiseConnect SDK
License: Zlib
URL: https://github.com/siliconlabs/wiseconnect
Commit: 984fbd4f333c0cede0e24b047de969d2fdfbabf7
Version: v3.5.1
Purpose: Add BT/BLE Power Manager support for SiWx91x
Signed-off-by: Mohamed Irfan <[email protected]>

Author: Silabs-IrfanM

wiseconnect/components/device/silabs/si91x/wireless/ble/src/sl_si91x_ble.c

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+/***************************************************************************/ /**
+ * @file
+ * @brief
+ *******************************************************************************
+ * # License
+ * <b>Copyright 2019 Silicon Laboratories Inc. www.silabs.com</b>
+ *******************************************************************************
+ *
+ * SPDX-License-Identifier: Zlib
+ *
+ * The licensor of this software is Silicon Laboratories Inc.
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ ******************************************************************************/
+#include "sl_si91x_ble.h"
+#include "sl_rsi_utility.h"
+
+extern bool device_initialized;
+
+/*=======================================================================*/
+
+sl_status_t sl_si91x_bt_set_performance_profile(const sl_bt_performance_profile_t *profile)
+{
+  sl_status_t status;
+  sl_si91x_performance_profile_t selected_coex_profile_mode = { 0 };
+  sl_si91x_performance_profile_t current_coex_profile_mode  = { 0 };
+  sl_bt_performance_profile_t current_bt_profile_mode       = { 0 };
+
+  if (!device_initialized) {
+    return SL_STATUS_NOT_INITIALIZED;
+  }
+  SL_WIFI_ARGS_CHECK_NULL_POINTER(profile);
+
+  // Take backup of current bt profile
+  sli_get_bt_current_performance_profile(&current_bt_profile_mode);
+  sli_get_coex_performance_profile(&current_coex_profile_mode);
+  // Compute selected coex profile
+  // Check if current coex profile and selected coex profile are the same
+  sli_save_bt_current_performance_profile(profile);
+  sli_get_coex_performance_profile(&selected_coex_profile_mode);
+
+  if (selected_coex_profile_mode == current_coex_profile_mode) {
+    return SL_STATUS_OK;
+  }
+
+  status = sli_si91x_send_power_save_request(NULL, &current_bt_profile_mode);
+  if (status != SL_STATUS_OK) {
+    sli_save_bt_current_performance_profile(&current_bt_profile_mode);
+    return status;
+  }
+
+  // Set device_initialized as false since RAM of module will be not retained
+  // in ULTRA_POWER_SAVE and module needs to be started from init again
+  if (selected_coex_profile_mode == DEEP_SLEEP_WITHOUT_RAM_RETENTION) {
+    device_initialized = false;
+    sli_reset_coex_current_performance_profile();
+  }
+  return SL_STATUS_OK;
+}
+
+sl_status_t sl_si91x_bt_get_performance_profile(sl_bt_performance_profile_t *profile)
+{
+  if (!device_initialized) {
+    return SL_STATUS_NOT_INITIALIZED;
+  }
+
+  sli_get_bt_current_performance_profile(profile);
+  return SL_STATUS_OK;
+}