From b1dfff401061f639de662d735764ec7a42819565 Mon Sep 17 00:00:00 2001
From: wangjialiang <wangjialiang@espressif.com>
Date: Wed, 7 Feb 2024 15:07:06 +0800
Subject: [PATCH] feat(ble_mesh): Make alarm number configurable

---
 components/bt/Kconfig                         | 6 ++++++
 components/bt/common/Kconfig.in               | 6 ++++++
 components/bt/common/include/bt_user_config.h | 9 +++++++++
 components/bt/common/osi/include/osi/alarm.h  | 3 ++-
 4 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 components/bt/common/Kconfig.in

diff --git a/components/bt/Kconfig b/components/bt/Kconfig
index 1423b7fd51..6e33f67991 100644
--- a/components/bt/Kconfig
+++ b/components/bt/Kconfig
@@ -105,6 +105,12 @@ menu "Bluetooth"
             This option is to configure the buffer size of the hci adv report cache in hci debug mode.
             This is a ring buffer, the new data will overwrite the oldest data if the buffer is full.
 
+    menu "Common Options"
+        visible if (BT_BLUEDROID_ENABLED || BT_NIMBLE_ENABLED)
+
+        source "$IDF_PATH/components/bt/common/Kconfig.in"
+    endmenu
+
 endmenu
 
 menuconfig BLE_MESH
diff --git a/components/bt/common/Kconfig.in b/components/bt/common/Kconfig.in
new file mode 100644
index 0000000000..6b19dd8ec0
--- /dev/null
+++ b/components/bt/common/Kconfig.in
@@ -0,0 +1,6 @@
+config BT_ALARM_MAX_NUM
+    int "Maximum number of Bluetooth alarms"
+    default 50
+    help
+        This option decides the maximum number of alarms which
+        could be used by Bluetooth host.
diff --git a/components/bt/common/include/bt_user_config.h b/components/bt/common/include/bt_user_config.h
index 7f69b6730a..dac4a671da 100644
--- a/components/bt/common/include/bt_user_config.h
+++ b/components/bt/common/include/bt_user_config.h
@@ -50,6 +50,15 @@
 #define UC_BTC_TASK_STACK_SIZE              4096
 #endif
 
+/**********************************************************
+ * Alarm reference
+ **********************************************************/
+#ifdef CONFIG_BT_ALARM_MAX_NUM
+#define UC_ALARM_MAX_NUM                    CONFIG_BT_ALARM_MAX_NUM
+#else
+#define UC_ALARM_MAX_NUM                    50
+#endif
+
 /**********************************************************
  * Trace reference
  **********************************************************/
diff --git a/components/bt/common/osi/include/osi/alarm.h b/components/bt/common/osi/include/osi/alarm.h
index fe8344cdb9..0ac1d11cca 100644
--- a/components/bt/common/osi/include/osi/alarm.h
+++ b/components/bt/common/osi/include/osi/alarm.h
@@ -21,6 +21,7 @@
 
 #include <stdint.h>
 #include "esp_timer.h"
+#include "bt_user_config.h"
 
 typedef struct alarm_t osi_alarm_t;
 typedef uint64_t period_ms_t;
@@ -33,7 +34,7 @@ typedef enum {
     OSI_ALARM_ERR_INVALID_STATE = -3,
 } osi_alarm_err_t;
 
-#define ALARM_CBS_NUM   50
+#define ALARM_CBS_NUM   UC_ALARM_MAX_NUM
 #define ALARM_ID_BASE   1000
 
 int osi_alarm_create_mux(void);