====== OSA : OS_Msg_Send ======
<color blue>**OS_Msg_Send (msg_cb, message)**</color>\\ 
<color blue>**OS_Msg_Send_I (msg_cb, message)**</color>\\ 
=== ===

{{osa:ref:attr_call_task.png|Allowed only in task}}{{osa:ref:attr_call_ct_sw.png|Switches context}}

Send message //message// through //msg_cb//. If msg_cb is busy then wait until it becomes free.

=== Call allowed: ===
Only in task


=== Parameters: ===
{| class = "fpl"
|-
|//''msg_cb''//
|Pointer to message descriptor. Variable of ##[[en:osa:ref:description:data_types#OST_MSG_CB|OST_MSG_CB]]## type
|-
|//''message''//
|pointer to message body (##[[en:osa:ref:description:data_types#OST_MSG|OST_MSG]]##)
|}


=== Returns: ===
nothing

=== Example: ===
<code cpp>
OST_MSG_CB msg_cb;

void Task (void)
{
    OST_MSG msg;
    static char buf[10];
    for (;;) {
        /*...*/
        OS_Msg_Send(msg_cb, buf);
        /*...*/
    }
}
</code>


=== Old style name ===
<color gray>**OS_SendMsg**</color>\\ 








=== See also ===
  * [[en:osa:ref:allservices:OS_Msg_Create|OS_Msg_Create]]

  * [[en:osa:ref:allservices:OS_Msg_Send_TO|OS_Msg_Send_TO]]
  * [[en:osa:ref:allservices:OS_Msg_Send_Now|OS_Msg_Send_Now]]


  * [[en:osa:ref:allservices:OS_Msg_Check|OS_Msg_Check]]
  * [[en:osa:ref:allservices:OS_Msg_Accept|OS_Msg_Accept]]

  * [[en:osa:ref:allservices:OS_Msg_Wait|OS_Msg_Wait]]
  * [[en:osa:ref:allservices:OS_Msg_Wait_TO|OS_Msg_Wait_TO]]

----
  * [[en:osa:ref:services:alphabetical|Alphabetical]]
  * [[en:osa:ref:services:brieflist|All services]]
~~UP~~