Starting Logic Sniffer (memorandum)

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I have started using Logic Sniffer v1.04 and struggled searching hundreds of web pages including of SUMP, DangerousPrototypes, and the resellers. 

Most of those pages are old. I used half a day for searching the newest sets that work well in Windows Vista (32-bit) PC.  

I, so, write the memorandum for new users here. 


The procedure is almost close to the official guides for installing them: 

The difference is the driver installation, rebooting for avoiding Java execution error in cases of Windows PC.   



Latest sets with client programs are maintained here: 

  (I used, 

    since Java Runtime Environment (JRE) ver. 6 has already been installed in my PC.)   

For the Windows driver, a dedicated user is providing a signed driver for latest PCs: 

  (drivers-ols-0308-winxp-win8_x86_x64-signed.7z  (7-zip expansion is necessary.)) 


The driver is necessary for PIC-connection (CDC-232 mode) with PCs. 

Double click  "install.bat" in the driver folder before connecting Logic Sniffer with PCs.  

I waited for 15 min. or so (very long!!) for the driver installation. It might be also due to safety scan. 



Connect Logic Sniffer board to PC with USB cable.  

(The above installed driver will be recognized.) 



Double click "run.bat" in the "jawis-ols-client" folder.  (First check) 

(If everything is OK, the client can capture the digital signals.) 



Double click "OLS_Upgrader.bat" in the "OLS_Upgrader" folder. 

In Vista PC, the DOS mode screen messages were not aligned correctly, 

so just compare them with the screen shots in the above Getting Started. 

Normally, it's just good to proceed with OK (= [Enter] key) with the default settings. 



Reboot PC (to avoid Java execution error). 



Double click "run.bat" in the "jawis-ols-client" folder.  (Second check) 

(Again, the client can capture the digital signals with full latest extensions.) 



The detail of the hardware is here: 

and the latest Verilog files are maintained in this forum. 

(Now the newest one seems to be: 


Hopefully, it will be fun, if I could integrate custom test signal generator in the Logic Sniffer. 




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