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Altera_Forum
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11 years ago

DE2 115 : Trying to send/receive usb bulk data from ISP1362 to FTDI 232H chip

Hi everyone, I'm trying to use the isp 1362(host mode) with nios2 to communicate with a FTDI 232H chip (bulk transfer mode supported only). Everything is fine, i can get the descriptor of th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

In answer to your questions:

The USB standard does not require that all control operations be implemented. For example, a chip that has only one configuration probably won't implement get configuration because the answer would always be the same.

The usage of each endpoint should be documented in the datasheet or users guide for the device. Some are documented in USB standards, i.e. endpoint 0 is for control.