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Transmit response time of CC2564

Other Parts Discussed in Thread: CC2564MODAEM, CC2564

My environment:
HW : Client [DK-TM4C129X, CC2564MODAEM] , Server [DK-TM4C129X, CC2564MODAEM]
SW : CCSv6.2, Stack v1.2 R2(use NoOS SPPDemo), ServicePack v1.5
Profile : BT SPP

Hi everyone,

My customer want to faster configure transmit response time of CC2564.

Now, My customer have bidirectional communication between Client and Server.
Transmit response time will be 4msec from "SPP_Data_Write" to "HCI_Event_Callback etNumber_Of_Completed_Packets_Event".

-------------------my console window view-------------------
SPP_Data_Write: 1.
T : 155726
HCI_Event_Callback etNumber_Of_Completed_Packets_Event
T : 155730
---------------------------------------------------------
Note:
My customer using TimerIntHandler to culculate the time. (Main.c : HAL_ConfigureHardware(1))
This "T" is msec time.
That is from "SPP_Data_Write" to "HCI_Event_Callback etNumber_Of_Completed_Packets_Event" is 4msec(155730 - 155726 = 4).


When CC2564 receives data between "SPP_Data_Write" and "HCI_Event_Callback etNumber_Of_Completed_Packets_Event", transmit response time was 22msec.

-------------------my console window view-------------------
SPP_Data_Write(), ID: 0x0001, Length: 0x0001.
T : 147989
SPP_Event_Callback etPort_Data_Indication <---receive the data
T : 147990
HCI_Event_Callback etNumber_Of_Completed_Packets_Event
T : 148011
---------------------------------------------------------
That is 22msec(148011 - 147989).

As described above, transmit response was slow when CC2564 receive data durring transmission.

My customer always want to comunicate within 10msec.

Is it possible ? or limit of this device(Stack)?

Please tell me if there is a setting that can be improved.

Best regards,

Mino.M