Complete the registration steps noted in the e-mail.įor some reason I can't find this page by navigating but if you are logged in you can use the link above and it takes you right to the PC software you needģ) Download then install Bluetooth Suite. You will receive a confirmation e-mail, but not immediately. NB: Ignore the messages that say you are not an authorized user - the registration process will complete ok. Good luck!ġ) Sign up to the CSR website here (use the register link) I spent years searching for this.Unfortunately the process documented below (done a couple of years ago) no longer works, clearly CSR or rather Qualcomm is not interested in supporting makers! Please do your own internet searches and you should be able to find old 'private' copies of BlueSuite.
Check it changed to what you want using your phone. Make a backup of the module – File>Dump. If it doesn’t detect it, troubleshoot your connections. 
It should detect the module and you can just hit OK.
Run pstool (which is what is installed by the BlueSuite installer). Plug the PLC1688 (or whatever) into your PC. Connect MISO to MISO, MOSI to MOSI, CLK to CLK and CSB to CSB. Connect a 10k pullup resistor between Vcc and SPI_EN to enable the SPI interface on the module. Connect the 3V3 pin to Vcc on the module. Check the actual pinouts on whatever USB adapter you use. You will need to figure out some way to attach this to the KRC-86B. Next you will need a USB to SPI converter. You should use the latest version there, which is bluesuite.win.2.6_installer_2.zip. Qualcomm no longer provide this, but you can get multiple versions here. The CSR8630 chip on the module was developed by Qualcomm, and they developed windows software to do the heavy lifting. So all you have to do is to send commands over SPI! This might sound a little daunting, but actually it is quite simple. I’ve documented the pins in the image below – on the module itself they are marked as NC. This is done using the SPI interface that is part of the module. To rename the module you need to modify one of the settings stored on it. It is still well worth watching the video in the instructable and reading the comments. Things have changed a little since it was written, so this little post summarizes the state of play at the moment. It would also be nice if the name meant something. It is tedious trying to figure out which one I am about to connect to, because they all have the same name, so it would be great to be able to rename it. I’ve used the KRC-86B bluetooth module in several projects.
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