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USB Superspeed Peripherals

waxi_1305956
New Contributor

Hi.,i use the j-link to debug the FX3,but it can not enter the CyU3PKernelEntry ();How can i debug enter the thread_enter function?

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2 Replies
Anonymous
Not applicable

You can go through EzUsbSuite.pdf file given with the SDK

   

>> C:\Program Files (x86)\Cypress\EZ-USB FX3 SDK\1.3\doc\firmware

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MaSt_4567191
New Contributor II

You mean EzUsbSuite_UG.pdf? I cannot find and KernelEntry keyword in the document

As soon as I step into CyU3PKernelEntry what happen is

...

Read 4 bytes @ address 0x40004C7C (Data = 0xE3A03000)

Reading 64 bytes @ address 0x10001FC0

Setting breakpoint @ address 0x40004C7C, Size = 4, BPHandle = 0x0005

Starting target CPU...

ERROR: Bad JTAG communication: Write to IR: Expected 0x1, got 0x0 (TAP Command : 2) @ Off 0x5.

...

i.e. the JTAG communication

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