Re: Trouble loading firmware to USB device
- Reply: Farhan Khan : "Re: Trouble loading firmware to USB device"
- In reply to: Farhan Khan : "Re: Trouble loading firmware to USB device"
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Date: Fri, 22 Apr 2022 06:43:01 UTC
On 4/21/22 22:51, Farhan Khan wrote: > I fooled around a bit with `-f Y`, because I was not certain if the > offset was 0 or 1, but I think (could be wrong) the value for the > interrupt and what the data is loaded over is interrupt 3. > > It appears to me that the size of the interrupt is 1024 based on this: > > ------- > $ sudo usbdump -i usbus3 -s 256 -vvv -f 3 > 16:46:25.723242 usbus3.3 SUBM-CTRL- > EP=00000000,SPD=HIGH,NFR=2,SLEN=1024,IVAL=0 > frame WRITE 0 bytes > frame WRITE 1024 bytes > flags 0x10 <PROXY_BUFFER|0> > status 0xea0a3 > <OPEN|TRANSFERRING|STARTED|CONTROL_XFR|BDMA_ENABLE|BDMA_SETUP|CURR_DMA_ > SET|CAN_CANCEL_IMMED|DOING_CALLBACK|0> > -------- > > Should this change make a difference to the interrupt issue? > > - Farhan If your device is ugenX.Y, usbdump is: usbdump -i usbusX -f Y -s 256 -vvv --HPS