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After a lot of search through the web, I couldn't find any home-made or cheap CSR USB programmer, so I became eager to find a way how to make it myself. I've logged on csrsupport.com and started digging.
Mar 26, 2002. Csr bluetooth datasheet free download. Next i will UL Bluesuite to FM1/drdevcon/bsuite. I would suggest you to buy a CSR module that is compatible with OpenBT, and forget about the expensive development kits such as Casira, it is a dumb version of the module bundled with some bulky but not so.
Soon enough I found firmware update for theirs official USB programmer. I tought I could use it in some way to made my own programmer and my predictions were correct. In the rest of this post, you could read how to make it yourself.DISCLAIMER: I'm not responsible for anything that might happen to you or your equipment if you follow this tutorial. I also can't guarantie that method described below will work for you.
I do not own firmware and I won't host it anywhere. If you want it, create account and download it from!First, you should buy some BlueCore3-Multimedia External bluetooth modules (yes, they use their own chip for USB programmer). These modules are a little harder to get nowadays, but I managed to order a few from.
In the mean time, when you are waiting to get your modules, I strongly suggest that you get familiar with stuff on and make a LPT programmer cable which is described on that page. You don't really need to make the case with pogopins, but it won't hurt. Unfortunately, you can't make USB version of programmer if you don't have a LPT version first (chicken and egg problem).
Now, when you have all main components, it's time to make a breakout board. You can find Eagle files and partlist for my board. If you use it, please make sure that the module layout is same as yours. If you don't know how to etch and/or solder, get some help from someone who knows or study tutorials on net. Here is pinout of my board.
FTDI cable is converter between USB and serial, right? This device is meant to be directly connected to USB port. If you take a look in schematic, you could see D+ and D-, which are USB data lines. How did you connect these two lines?If you do it right, then just make sure that PSKEYHOSTINTERFACEPIOUSB is set to '9' and that PIO9 pin is connected to VCC pin (3.3V) while you replug USB connector.
Then you should see a new device under device manager.In a few days I will expand this tutorial with detailed description how to flash firmware with DFU Wizard (as soon as I get a laptop with parallel port).In the mean time, if DFU Wizard still doesn't work, you could try to set PSKEYUSBVENDORID to 0x0A12 and PSKEYUSBPRODUCTID to 0xffff. Then replug USB with PIO9 connected to VCC pin (3.3V) and then try again with DFU Wizard. AnonymousHi Jernej,I'm really grateful for your great info sharing.
I have successfully made one USB-SPI programmer with a BC03MM module and also another made with TI stellaris launchpad (but latter one is slower 4x than former one).I have many spare BC05MM modules and it would be great if I can make BC05MM works. Could you share any info how to modify header in DFU file to fake it as BC05MM update file? I have tried to change position (0x68, 0x69) from 0x08 0x00 (bc03mm) to 0x00 0x02 (bc05mm).
But I have no hint how to modify the checksum at bottom position for file to pass DFUwizard corruption check. Hi,I'm not sure if value 0x00 0x02 is correct, I can't find any document with enough details for this field. Anyway, you must also change values at 0x288 and 0x289 in the same way you did at 0x68 and 0x69.Checksum is in two places, first is at 0x916d0 and second is at 0x916e0. In your case, first should be 0xe1d3ca77 and the second is strangely enough, same as original.If you want poking around alone, you can contact me and I will provide you with a program for calculating checksums (nothing fancy, sample code mostly taken from usbdfu 1.0 document).I hope these modifications will be enough. There could be troubles with flash geometry.
AnonymousBy the way, I got that info about target BlueCore variants in my BlueLab412toolsdfudocspsfile.html0000 0000 0000 0001 BlueCore0 0000 0002 BlueCore2-External0000 0000 0000 0004 BlueCore2-ROM/Audio/FLASH0000 0000 0000 0008 BlueCore3-Multimedia/FLASH0000 0000 0000 0010 BlueCore3-ROM (should never be useful)0000 0000 0000 0020 BlueCore3-FLASH0000 0000 0000 0040 BlueCore4-External0000 0000 0000 0400 BlueCore4-Audio-Flash0000 0000 0000 0200 BlueCore5-MultimediaFor your reference. Hiya,I built the LPT programmer (for an old dusty laptop w/parallel port) and it worked, but.I tweaked Frans-Willem's Stellaris-based programmer code to run on the new Tiva C Launchpad (EK-TM4C123GXL) - USD$12 at time of writing - which is the replacement for the Stellaris Launchpad. Hi!Thanks for your contribution.
Your implementation should work for all CSR devices which uses SPI for programming interface, so it should work also for BC5 and I assume also for CSR8670.About Turbo mode: when speed is within device specification, it should work. But to be on the safe side, you should take care of speed, which is set via CmdSetSpeed in your code.
By default, driver sets it to 1 MHz for BC4EXT. You actually won't see 1MHz value, but some transformed value, which is described in my other post.Could you measure your SPI speed in Turbo Mode and normal mode with scope or logic analyzer?Suggestion for further improvement: I don't see any reason why not to use HW SPI unit on uC instead of simulated one, which is used now.Just to clear all misunderstandings: Frans-Willem implemented clone mostly on my description of protocol, which I reverse engineered (see my other post and Frans-Willem comment bellow).
Yeah I have a BC5 board here and will have an CSR8670 soon, I'll try on those and confirm with you. I suspect it'll work just fine, CSR are pretty good at picking something sensible and sticking to it.In the 'turbo' mode hack I added I simply took out the majority of the SPI bit-banged delay loop when CMDSETSPEED=4 from host. This is a very empirical hack but works reliably for me (on BC4Ext);Because of its hackiness I left it as an option in my modified firmware (hold down left button on Launchpad board when booting), else runs at normal speed. I can measure the actual 'turbo' SPI CLK speed when I have my analyzer next hooked up; I guess it's a couple of Mhz.Yeah I looked briefly at using hardware SPI but it was a bit too much typing to do right now:-) Clearly it can be done, although I suspect (with the CPU clocked @ 100mhz) I'm approaching the BC4's SPI speed limits with bitbanging anyway (i.e.
I did a slightly faster unrolled SPI bitbang loop and it failed to work).Thanks very much Jernej for your hard work; a great contribution. Nope can't find any spec on that either; I recall reading somewhere in some 'high level' CSR blurb they said it was a couple of Mhz but I can't find that now.The turbo hack is turned off by default (you need to hold a button on launchpad on boot to enable) and I put warnings on the readme AND put in a printf in the firmware as follows:'FAST SPI mode enabled - test reliability with BlueFlash before using!' Furthermore I only turn on this hack when the host PC has done 'CMDSETSPEED' of 0x0004 (during init phases it does CMDSETSPEED of like 0x260 or something) so it's basically only used for high speed dumping of flash.It works 100% for me here - I did many read/erase/write/verify cycles - and going from 65sec to 25sec when processing 8mbit is nice when reprogramming frequently - but like I said, YMMV.:-).
AnonymousHi all,I have just finished the conversion of a GL-8A module into a CSR USB SPI Converter but it looks like its not working. I programmed the PSK's as described, updated the firmware and installed the USB SPI driver. So far so good. But when connecting for example a BC04 module the USB-SPI converter cannot read data from it.
I have checked the SPI signals with a scope and recognized traffic on all four lines when trying to connect with PSTool. Voltage level is ok (3,3V). But I only got the message that the device ID could not be read.
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I also tried a module with a BC05MM without success. Has anybody an idea what might be the reason for this behaviour? Must the SPI clock frequency be programmed via PSK or are pull up/down resistors necessary on the SPI lines?Thanks, Klaus. AnonymousSorry, I replied to Dr. Tune but wants to open a new question, so my question again:Hi all,I have just finished the conversion of a GL-8A module into a CSR USB SPI Converter but it looks like its not working. I programmed the PSK's as described, updated the firmware and installed the USB SPI driver. So far so good.
But when connecting for example a BC04 module the USB-SPI converter cannot read data from it. I have checked the SPI signals with a scope and recognized traffic on all four lines when trying to connect with PSTool. Voltage level is ok (3,3V). But I only got the message that the device ID could not be read.
I also tried a module with a BC05MM without success. Has anybody an idea what might be the reason for this behaviour?
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Shadow fight 2 download pc. Must the SPI clock frequency be programmed via PSK or are pull up/down resistors necessary on the SPI lines?Thanks, Klaus. JoeBlnHi and at first: thanks to all for your hints.I'm using a hc-05 module with a bc417. With at-commands via uart everything's working fine. Now I would like to use the usb-interface (bus-powered), but nothing happened (0V on both data lines!?). As described in the user-guide, there are three ways of enabling the interface by setting pskeys via bcsp and bccmd. Therefor I'm trying to attach a new hci-device with 'hciattach /dev/ttyACM3 csr', but 'Initialization timed out'. Also 'bccmd -t BCSP -d /dev/ttyACM3 -b 38400 anycommand' returns 'Initialization timed out'.Is there anybody also trying this way or has anybody an idea?At the moment I'm trying to read the memory of the bc4 with spi.
Does anybody know which driver is needed to use a lpt-port of an old dell docking-station? Is it possible to use spi with bc4 in general?Thanks in advance!Joe.