Please help me as I'm currently unable to continue development and it was Semtech that recommended to our company that we should switch over to ST microcontrollers because before this we were using TI and also PIC and had no issues with either of those. Also noticed that ST Link utilities sometimes becomes unresponsive for about 10 seconds. Says it's working normal and driver version is 2.1.0.0.Įven after ST Link utility says there is a usb communication error, in device manager, it's still showing up normal. It shows up under 'universal serial bus device' as 'STM32 STLink'. TI Connect versions Connects a graphing calculator to a PC to transfer data. TI Connect is a universal application that allows you to download and transfer data or perform Operating. Also in device manager, ST Link V2 shows up normal. TI Connect (TIConnect.exe) - all versions. Otherwise the laptop runs great, I have no other problems, all my USB ports are working great. Does this sound like normal behavior or is my ST Link V2 broken (it's brand new)? Can I download an older version of ST Link utilities? My problem is that I have issues connecting to a target but I'm having issues even without the target, so I don't know if the problem is with my target or with the ST Link utility software. I change Mode back to 'connect under reset', and now it is saying the USB communication error again. I click refresh and now it looks all correct again (as stated above). Now it says 'No ST-LINK detected !', I plug ST LINK V2 back in. TI Connect CE is computer software that allows for connectivity between your computer and TI-84 Plus family graphing calculator. Next I unplug the ST LINK V2, then click on Refresh. Also under serial number it now says 'Old ST-LINK firmware/ST-LINK already used'. Now it is saying USB Communication Error! I hit refresh, doesn't make a difference. The settings window closes, I open settings again. I change the Mode to normal, the OK button becomes grayed out, so I have no other choice but to hit cancel. I go to Settings, everything looks good, it shows the serial number and FW version V2J29S7. I'm using Windows 8.1, I plug in ST LINK V2 in USB port, but I do not yet connect the other side to a target.
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