Difference between revisions of "J-Trace PRO Cortex-M"

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=USB driver not found=
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__TOC__
  
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==Problem==
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J-Trace PRO V2 Cortex-M and J-Trace PRO V2 Cortex do not use the SEGGER USB driver like J-Links do, but they use WinUSB instead. WinUSB was distributed by Microsoft via Windows Update so in case a USB device needed WinUSB, Windows downloaded it automatically in the background, where necessary. However, Microsoft changed their policy for Windows Vista / Windows 7 and WinUSB is no longer distributed via Windows Update. This may now lead to "no USB driver found" like problems when connecting J-Trace PRO to a PC for the first time.
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==Affected Operating Systems==
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*Microsoft Windows 7
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*Microsoft Windows Vista
   
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==Solution==
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TBD
  
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The easiest way to solve the driver issue is to install the required drivers manually. Please find below a step-by-step instruction:
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#Download the following archive: [[:Media:180112_WinUSBDriverInstall.zip|WinUSBDriverInstall.zip]]
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#Execute the InstallDriver.exe
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If you still run into any issues, please contact SEGGER directly.
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=J-Trace detected as HP Printer BIDI=
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==Problem==
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J-Trace PRO is incorrectly detected as a HP printer device. This is a problem with the HP BIDI printer driver and Windows 7 / Vista. The wrong driver is assigned to J-Trace and it cannot be used with the J-Link/J-Trace software. This happens on PCs where the HP BIDI driver is installed '''before''' any J-Trace was ever connected to the PC. In order to fix this, the correct driver needs to be assigned to J-Trace manually. This only needs to be done once.
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* Open the Windows device manager
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* Open the USB devices tree. There should be a HP BIDI device shown which is really a J-Trace. (Check if the device is removed from the list if J-Trace is disconnected to make sure the correct USB device is selected) [[File:JTrace_HPBIDI_1.png|List J-Trace incorrectly|thumb|none]]
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* Right-click the USB device and click '''Properties''' [[File:JTrace_HPBIDI_2.png|Properties|thumb|none]]
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* Go to the '''Driver''' tab and click '''Update Driver...''' [[File:JTrace_HPBIDI_3.png|Update Driver|thumb|none]]
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* Click '''Browse my computer for driver software''' [[File:JTrace_HPBIDI_4.png|Browse Drivers|thumb|none]]
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* Click '''Let me pick from a list [...]''' [[File:JTrace_HPBIDI_5.png|Pick driver from list|thumb|none]]
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* Select '''WinUsb Device''' and click '''Next''' [[File:JTrace_HPBIDI_6.png|Select WinUSB|thumb|none]]
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* Windows will show that the new driver has been assigned successfully [[File:JTrace_HPBIDI_7.png|New driver applied|thumb|none]]
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* Check that J-Trace is now correctly listed as WinUSB device [[File:JTrace_HPBIDI_8.png|List J-Trace correctly|thumb|none]]
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==Affected Operating Systems==
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*Microsoft Windows 7
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*Microsoft Windows Vista
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If you still run into any issues, please contact SEGGER directly.

Revision as of 18:39, 18 January 2019

USB driver not found

Problem

J-Trace PRO V2 Cortex-M and J-Trace PRO V2 Cortex do not use the SEGGER USB driver like J-Links do, but they use WinUSB instead. WinUSB was distributed by Microsoft via Windows Update so in case a USB device needed WinUSB, Windows downloaded it automatically in the background, where necessary. However, Microsoft changed their policy for Windows Vista / Windows 7 and WinUSB is no longer distributed via Windows Update. This may now lead to "no USB driver found" like problems when connecting J-Trace PRO to a PC for the first time.

Affected Operating Systems

  • Microsoft Windows 7
  • Microsoft Windows Vista

Solution

The easiest way to solve the driver issue is to install the required drivers manually. Please find below a step-by-step instruction:

  1. Download the following archive: WinUSBDriverInstall.zip
  2. Execute the InstallDriver.exe

If you still run into any issues, please contact SEGGER directly.

J-Trace detected as HP Printer BIDI

Problem

J-Trace PRO is incorrectly detected as a HP printer device. This is a problem with the HP BIDI printer driver and Windows 7 / Vista. The wrong driver is assigned to J-Trace and it cannot be used with the J-Link/J-Trace software. This happens on PCs where the HP BIDI driver is installed before any J-Trace was ever connected to the PC. In order to fix this, the correct driver needs to be assigned to J-Trace manually. This only needs to be done once.

  • Open the Windows device manager
  • Open the USB devices tree. There should be a HP BIDI device shown which is really a J-Trace. (Check if the device is removed from the list if J-Trace is disconnected to make sure the correct USB device is selected)
    List J-Trace incorrectly
  • Right-click the USB device and click Properties
    Properties
  • Go to the Driver tab and click Update Driver...
    Update Driver
  • Click Browse my computer for driver software
    Browse Drivers
  • Click Let me pick from a list [...]
    Pick driver from list
  • Select WinUsb Device and click Next
    Select WinUSB
  • Windows will show that the new driver has been assigned successfully
    New driver applied
  • Check that J-Trace is now correctly listed as WinUSB device
    List J-Trace correctly

Affected Operating Systems

  • Microsoft Windows 7
  • Microsoft Windows Vista

If you still run into any issues, please contact SEGGER directly.

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