USBdevice lpc1769 No BULKIN ACK interrupts

Feb 23, 2015 0 Replies

Hello,



Environment - LPCUSB for lpc1769(from code RDB CMSIS) After browsing some forum topics, I decided to use LPCUSB(Bertrik Sikken) as I found the code simple to follow.


I am failing here - When I transfer more than 64 bytes on BulkIn, I expect to get a BulkIn Ack after transfer is completed.



Procedure is simple -



  1. First 'NextBulkIn' call is from my firmware. I set BulkInBusy = true; Step 1 happens only if BulkInBusy is false.



  1. Read data from buffer, send to EP. If data>64 bytes, BulkInBusy stays true.



I expect to get a BulkIn ACK interrupt. Read data from buffer again and send to EP. If data


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