SWRA750 September   2022

 

  1.   Introduction
  2.   Trademarks
  3. 1Connectionless RF Tests
    1. 1.1 Continuous TX
    2. 1.2 Tester Packet TX RX
    3. 1.3 Continuous RX
    4. 1.4 BER Meter Test
      1. 1.4.1 BER Test - Between Two WiLink Devices
      2. 1.4.2 BER Test - Between WiLink (RX) and Litepoint iQ2010 (TX)
  4. 2Bluetooth SIG RF Test Mode
  5. 3Bluetooth Low Energy Testing
  6. 4Connection Test
  7. 5Conversion of HCI Commands to SS1Tool or hcitool Format
    1. 5.1 Examples of SS1Tool or Enhanced Bluetopia PM Test Format Conversion
      1. 5.1.1 Connectionless RF Tests
        1. 5.1.1.1 Continuous TX
        2. 5.1.1.2 Packet TX RX
        3. 5.1.1.3 Continuous RX
        4. 5.1.1.4 RX BER Meter Test
      2. 5.1.2 Bluetooth SIG RF Test Mode
      3. 5.1.3 Bluetooth Low Energy Testing
  8. 6Revision History

1.4.2 BER Test - Between WiLink (RX) and Litepoint iQ2010 (TX)

In this configuration, the Wilink (RX) device will run the BER meter script as the Litepoint iQ2010 (TX) sends the packets with an embedded BD address.

The waveforms for different packet types with an embedded BD address (0x111111110000) can be downloaded here.

Before the BER meter test is initiated, the Litepoint iQ2010 needs to be configured following these steps:

  1. Open iQSignal (Litepoint Software).
  2. Connect Litepoint iQ2010 test equipment to the PC using default settings.
  3. Click Bluetooth -> Vector Signal Generator.
  4. Click Open Generator File... and open the 1dh5_111111110000.mod file that was downloaded above.
  5. VSG Control = continuous
  6. RF Channel = 0/2402
  7. Trigger Type = Free Run
  8. Connect an antenna to the RF2 port on the Litepoint iQ2010 Test Equipment.
Note: If using the WL18XXMODCOM8I + SDMMCADAPTER boards, you can use the on-board antenna.

The Litepoint iQ2010 and hardware are now properly configured. Do not start the RF signal until you have followed the steps below on the Wilink (RX) board.

Step 1:

Run the INIT script Wilink board.

Step 2:

Start the BER function on the Wilink (RX) board using the following script example:

$l10
count = 0
#DH5, 339 packet size x 8 bits x 590 packets = 1.6Mbits
#BD address = the one embedded in the IQ waveform
Send_HCI_VS_DRPb_BER_Meter_Start 0xFD8B, 0, 0, 0x111111110000, 1, 0x5, 339, 590, 0x1FF, 0x1
Wait_HCI_Command_Complete_VS_DRPb_BER_Meter_Start_Event 5000, any, HCI_VS_DRPb_BER_Meter_Start, 0x00

#
$l11
Sleep 2000
count++

Send_HCI_VS_DRP_Read_BER_Meter_Status 0xFD5B
Wait_HCI_Command_Complete_VS_DRP_Read_BER_Meter_Status_Event 5000, any, HCI_VS_DRP_Read_BER_Meter_Status, 0x00, &synched, &finished, any, &total_bits, &bit_errors, &packets
if finished== 0 then
	if synched == 0 then
		log"not synced yet %d count",count
		#Fail "no SYNC"
	else
		log"not finished yet %d packets, count %d",packets,count
	endif
	goto $l11
else
	BER = 1000000*bit_errors/total_bits
	log"BER is %d e-6 (%d bits out of %d)",1000000*bit_errors/total_bits,bit_errors,total_bits
	if BER > 100 then
		Fail "BER is too high"
	else
		pause "Finished"
	endif
	
endif

#pause""
goto $l10

Step 3:

Start the RF signal on the iQSignal GUI by clicking RF ON/OFF and confirm that the indication text turns green.

Step 4:

Let the BER script finish on the Wilink board, and observe the results in the HCITester Trace Log.