diff --git a/examples/embassy-ble-broadcaster.rs b/examples/embassy-ble-broadcaster.rs
index 0c7146a..c6274c9 100644
--- a/examples/embassy-ble-broadcaster.rs
+++ b/examples/embassy-ble-broadcaster.rs
@@ -242,7 +242,7 @@ async fn main(spawner: Spawner) -> ! {
     // Broadcaster_Init();
     unsafe {
         // Setup the GAP Broadcaster Role Profile
-        GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, 1, &1 as *const _ as _);
+        GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, 1, &true as *const _ as _);
         GAPRole_SetParameter(GAPROLE_ADV_EVENT_TYPE, 1, &0x03 as *const _ as _);
         GAPRole_SetParameter(
             GAPROLE_SCAN_RSP_DATA,
diff --git a/src/ble/ffi.rs b/src/ble/ffi.rs
index f806a14..c54bdd5 100644
--- a/src/ble/ffi.rs
+++ b/src/ble/ffi.rs
@@ -42,6 +42,7 @@ use core::num::NonZeroU8;
  */
 
 // UNSAFE: size_of is 1
+#[allow(improper_ctypes)]
 pub type bStatus_t = Result<(), NonZeroU8>;
 
 pub type tmosTaskID = u8;
@@ -245,6 +246,13 @@ pub struct tmos_event_hdr_t {
     pub status: u8,
 }
 
+/// A message is waiting event
+pub const SYS_EVENT_MSG: u16 = 0x8000;
+
+/// Task ID isn't setup properly
+pub const INVALID_TASK_ID: u8 = 0xFF;
+pub const TASK_NO_TASK: u8 = 0xFF;
+
 // TMOS
 extern "C" {
 
@@ -263,6 +271,12 @@ extern "C" {
     #[doc = " @brief   start a event after period of time\n\n @param   taskID - task ID to set event for\n @param   event - event to be notified with\n @param   time - timeout value\n\n @return  TRUE,FALSE."]
     pub fn tmos_start_task(taskID: tmosTaskID, event: tmosEvents, time: tmosTimer) -> BOOL;
 
+    #[doc = " @brief   receive a msg\n\n @param   taskID  - task ID of task need to receive msg\n\n @return *uint8_t - message information or NULL if no message"]
+    pub fn tmos_msg_receive(taskID: tmosTaskID) -> *mut u8;
+
+    #[doc = " @brief   delete a msg\n\n @param  *msg_ptr - point of msg\n\n @return  SUCCESS."]
+    pub fn tmos_msg_deallocate(msg_ptr: *mut u8) -> bStatus_t;
+
     #[doc = " @brief   Process system\n\n @param   None.\n\n @return  None."]
     pub fn TMOS_SystemProcess();
 
diff --git a/src/ble/mod.rs b/src/ble/mod.rs
index 5f06f8f..eef635b 100644
--- a/src/ble/mod.rs
+++ b/src/ble/mod.rs
@@ -2,6 +2,7 @@ use core::ffi::CStr;
 use core::mem::MaybeUninit;
 use core::num::NonZeroU8;
 
+use self::ffi::{tmos_msg_deallocate, tmos_msg_receive, SYS_EVENT_MSG};
 use crate::{pac, println};
 
 pub mod ffi;
@@ -67,9 +68,22 @@ impl Default for Config {
     }
 }
 
+unsafe extern "C" fn hal_tmos_task(task_id: u8, events: u16) -> u16 {
+    if events & SYS_EVENT_MSG != 0 {
+        let msg = tmos_msg_receive(task_id);
+        if !msg.is_null() {
+            let _ = tmos_msg_deallocate(msg);
+        }
+        return events ^ SYS_EVENT_MSG;
+    } else {
+        unimplemented!()
+    }
+}
+
 /// Wrapper of BLEInit and HAL_Init
 pub fn init(config: Config) -> Result<(), NonZeroU8> {
     use ffi::{bleConfig_t, BLE_LibInit, BLE_RegInit, TMOS_TimerInit, LL_TX_POWEER_6_DBM};
+
     const BLE_TX_NUM_EVENT: u8 = 1;
     const BLE_BUFF_NUM: u8 = 5;
     const BLE_BUFF_MAX_LEN: u16 = 27;