Re: Trouble loading firmware to USB device
- Reply: Hans Petter Selasky : "Re: Trouble loading firmware to USB device"
- In reply to: Hans Petter Selasky : "Re: Trouble loading firmware to USB device"
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Date: Mon, 25 Apr 2022 08:21:04 UTC
On 4/24/22 11:48, Hans Petter Selasky wrote: > On 4/22/22 18:50, Farhan Khan wrote: >> On Fri, 2022-04-22 at 08:43 +0200, Hans Petter Selasky wrote: >>> If your device is ugenX.Y, usbdump is: >>> >>> usbdump -i usbusX -f Y -s 256 -vvv >>> >>> --HPS >> >> Based on the FRAME size, it seems that the length is 1024 bytes. >> That seems low, but it might not be for bulk transfers. >> >> The long-form output is here: https://bsd.to/9CVK Potentially there is >> a problem here that I am not seeing. >> >> The main problem still remains, that loading the firmware is not >> triggering the Rx Interrupt callback. Are these potentially related >> issues? >> Hi, > status 0xeb023 <OPEN|TRANSFERRING|STARTED|SHORT_XFER_OK|BDMA_ENABLE|BDMA_SETUP|CURR_DMA_SET|CAN_CANCEL_IMMED|DOING_CALLBACK|0> > 12:25:07.785438 usbus3.3 SUBM-INTR-EP=00000083,SPD=HIGH,NFR=1,SLEN=0,IVAL=1 > frame READ 1024 bytes > flags 0xa <SHORT_XFER_OK|PIPE_BOF|0> You are asking for 1024 bytes. Try asking for only 64 bytes instead, same as one wMaxPacket, before submitting the job. --HPS