About nigel2

nigel2 · 2015-01-21

Posted on January 21, 2015 at 10:34HiI'm a relative newbie in using ST or ARM devices, and I'm attempting to get a USB CDC device working using the VirtualCom example code, using an STM32L152 in a custom pcb.I'm using the Kickstart edition of IAR em...

nigel2 · 2015-01-28

Posted on January 28, 2015 at 18:22Problem solved.There were 2 issues. One was on our own custom PCB (an unused chip was dragging the USB line down), the other was in the Clock Tree.Looking at the clock tree in document RM0038, which can be found ht...

nigel2 · 2015-01-23

Posted on January 23, 2015 at 13:00Unfortunately, I can find nothing about VBUS in the reference manual (RM0038) for the STM32L152xx device we're using.(the part number on the chip is STM32L152RDT6)Our pcb does not have the vbus line connected (it's...

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STM32L USB CDC VirtualCom example : device not recognized

Re: STM32L USB CDC VirtualCom example : device not recognized

Re: STM32L USB CDC VirtualCom example : device not recognized