Install Firmware - CSR BlueCore Casira User Manual

6.2.2

Install Firmware

1. Unzip the latest firmware downloaded from the support website. Make a note of the directory to which
the unzipped files were saved. The *.xpv and the *.xdv files must be in the same folder: both are used
during the firmware download process.
2. Connect the Casira to your PC via the SPI as described in section 4.5, Back Up New Casira Units.
3. Power-up the Casira and open the BlueFlash utility.
4. When the BlueFlash dialog first appears, ensure that the interface you select is correctly connected to
your Casira, e.g., LPT1.
5. Click on
Stop Processor
6. Click on
Choose File
file and open it. The file location and name will display in the BlueFlash window.
7. Click on to indicate which version of firmware is currently selected for download. Click on
File ID
to display details of the firmware that is currently loaded on BlueCore.
Firmware ID
8. BlueFlash will not identify firmware builds prior to Beta 10. However, this does not prevent you from
downloading or uploading these older firmware builds.
9. Click on
Download
10. After downloading completes, click on
11. Reset the Casira unit. You can do this via a full power cycle or by pressing the small blue reset button
on the far right side of the motherboard.
Important Note:
Do not click on
Flash Erase
Firmware upgrades from the CSR support website do not contain Persistent Store settings, so the current
settings are preserved. Firmware dumps that you make contain Persistent Store settings, thus any existing
settings will be overwritten if you flash again using an uploaded dump file. Flash erase should only be used
in cases where there may be a problem with the existing Persistent Store and you wish to reload a known
working version.
bc01-an-100Pd
.
. An Open window appears. Search for the *.xpv file you just unzipped. Select the
.
to check the contents of the memory.
Verify
prior to downloading. Erasing the flash will remove all Persistent Store settings.
© Copyright Cambridge Silicon Radio Limited 2001-2004
This material is subject to CSR's non-disclosure agreement.
Upgrading Casira Units
Page 27 of 33