new maybe_push_input() method to HIDClass #34
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…ce data only if the underlying device will not block
simpkins
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This reverts commit c1210a9. (twitchyliquid64#34) This commit breaks the build since it attempts to use `EndpointIn` methods from a PR that were never landed in the usb-device crate: rust-embedded-community/usb-device#78
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This reverts commit c1210a9. (#34) This commit breaks the build since it attempts to use `EndpointIn` methods from a PR that were never landed in the usb-device crate: rust-embedded-community/usb-device#78
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The
push_input()API for HIDClass is a little clumsy because it returns an error if the write would block, forcing the code that invokes it to hang on to the buffer and retry later.This is a solution, but it requires changes to the UsbBus trait ( rust-embedded-community/usb-device#78 )
I am mostly trying to start a conversation about this so options (such as the ability to check WouldBlock before calling push_input) can be discussed.