firmware: factor out superset bmRequestType check (+116 bytes XRAM).

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Scots Army Knife for electronics

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firmware: factor out superset bmRequestType check (+116 bytes XRAM). #658

Closed purdeaandrei closed 3 months ago

purdeaandrei commented 3 months ago

Everything that handle_pending_usb_setup() does has to be either: USB_RECIP_DEVICE|USB_TYPE_VENDOR|USB_DIR_IN or: USB_RECIP_DEVICE|USB_TYPE_VENDOR|USB_DIR_OUT

Checking these two conditions again and again wastes memory