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Hello,
i use the cy7c67200 (EZ-OTG) on a fpga (Altera DE2-115). Ive recreated the enumeration process by using the "Using HPI in Coprocessor mode with OTG-Host -AN6010" document and the DE2_115_NIOS_HOST_MOUSE_VGA example provided by altera.
The device i want to communicate with functions as a cdc device class. Therefore communication is realized over Bulk Enpoints for each direction. The Endpoints support 64 byte max packet size
When i craft a In Bulk Request, i get data which can read, and which makes sense, like so:
TD (At 0x500)
base_addr: 0x518
port_length: 0x0040
pid_ep: 0x95
dev_addr: 0x2
ctrl_reg: 0x41
status: 0x0
retry_cnt: 0x1b
residue: 0x0
next_td_addr: 0x0
But when i want issue a Bulk Out nothing happens:
TD (At 0x500)
base_addr: 0x50c
port_length: 0x0e
pid_ep: 0x11
dev_addr: 0x2
ctrl_reg: 0x41
status: 0x0
retry_cnt: 0x1b
residue: 0x0
next_td_addr: 0x0
With my data to be written at address 0x50c
The active byte in the retry count changes to 0 but nothing more.
My question: Is there an example which shows other transfer types besides the control transfer and bulk in.
Is there any documentation or application note which shows how this is handled by the bios on the cy7c67200.
Thanks in Advance
Solved! Go to Solution.
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USB Hosts Hubs Transceivers
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Hi,
Have you checked the examples present in CY3663 kit contents? The Kit is obsolete now. But the kit contents are still available at https://www.cypress.com/documentation/software-and-drivers/cy3663-cd-rom-image-v10
Can you please check below path after installing the same:
C:\Cypress\USB\OTG-Host\Source\coprocessor\de_app
Regards,
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Hi,
Have you checked the examples present in CY3663 kit contents? The Kit is obsolete now. But the kit contents are still available at https://www.cypress.com/documentation/software-and-drivers/cy3663-cd-rom-image-v10
Can you please check below path after installing the same:
C:\Cypress\USB\OTG-Host\Source\coprocessor\de_app
Regards,