Infineon Cypress BCM4334, Руководство пользователя, Страница: 32 / 38

Measuring Current Consumption in Different Power Modes
www.cypress.com Document No. 002-14914 Rev. *C 31
3. In HCI Command: Write_Local_Supported_Features (com4@115200), clear the Power control check box.
From the DUT, create a connection to the reference board
1. While in HCI Control: com4@115200, press the 1 key on the keyboard to select the Link Control commands.
2. In the list of Link Control commands, double-click Inquiry to display a list of found devices.
3. In the list of Link Control commands, double-click Create_Connection .
4. In HCI Command: Create_Connection (com4@115200):
a. In the BD_ADDR list, select the BD address of the reference board that was noted earlier.
b. Set the packet type by selecting the following check boxes:
■ DM1
■ DM3
■ DM5
c. In the Page_Scan_Repetition_Mode list, select R0 .
d. In the Page_Scan_Mode list, select Mandatory , and then click OK .
Note that the connection handle = 0xB (This is an ACL connection.).
Set the Write Scan Enable parameters on the reference board
1. Reestablish the HCI Control Transport profile for the reference board ( com5 ).
2. While in HCI Control: com5@115200, press the 3 key on the keyboard to select the Host Controller &
Baseband commands.
3. In the list of Host Controller & Baseband Commands, double-click Write_Scan_Enable .
4. In HCI Command: Write_Scan_Enable (com5@115200), in the Scan_Enable list, select No Scans enabled ,
and then click OK .
Add an eSCO connection from the DUT
1. While in HCI Control: com5@115200, press the 1 key on the keyboard to select the Link Control commands.
2. In the list of Link Control commands, double-click Setup_Synchronous_Connection .
3. In HCI Command: Add_SCO_Connection (com5@115200):
a. In the Connection_Handle list, select the connection handle indicated in Log Window.
b. Select only the EV4 Packet_Type check box, and then click OK .
Note: For EV5 packet types, select only the EV5 check box.
4. In Log Window, verify that the connection is successful. “Synchronous connection Complete” from both COM
ports should be displayed.
Measure the current consumption
Set the approximate range of the ammeter to 10 mA and measure the current being consumed by the DUT.
5.11 Throughput ACL, 3DH5 Mode
This section explains how to set the BCM4324/BCM4334 to Throughput ACL, 3DH5 mode. Steps include the fol-
lowing (Some of the steps apply to the DUT, and others apply to the reference device.):
■ Set the HCI Control Transport profile for both the DUT and the reference device.
■ Set the Event Filter and Write Scan Enable parameters for both the DUT and the reference device.
■ Create a connection between the DUT and the reference device.
■ Execute the Receive test on the reference device and the Transmit test on the DUT.
This section concludes by specifying the approximate ammeter range setting for measuring the current being con-
sumed by the DUT.
Before you begin, set up and turn on the test equipment and launch Cypress BlueTool.
Note: A USB cable and USB/UART converter may be needed due to the limitations of some RS-232 ports/cables.