2020-11-10 15:02:44 +00:00
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# group `usb_hid_protocol` {#group__usb__hid__protocol}
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2021-08-28 22:38:06 +00:00
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USB Human Interface Device (HID) protocol definitions.
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2020-11-10 15:02:44 +00:00
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protocol definitions
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## Summary
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Members | Descriptions
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--------------------------------|---------------------------------------------
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2021-08-28 22:38:06 +00:00
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`struct `[`usb_hid_descriptor_t`](#structusb__hid__descriptor__t) | HID Descriptor.
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2020-11-10 15:02:44 +00:00
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# struct `usb_hid_descriptor_t` {#structusb__hid__descriptor__t}
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2021-08-28 22:38:06 +00:00
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HID Descriptor.
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2020-11-10 15:02:44 +00:00
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## Summary
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Members | Descriptions
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--------------------------------|---------------------------------------------
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`public uint8_t `[`bLength`](#structusb__hid__descriptor__t_1a1deca1f1d6e5815b290e6e1015bce5b8) | Size of this descriptor in bytes.
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`public uint8_t `[`bDescriptorType`](#structusb__hid__descriptor__t_1a67d7027b9eb9ed268d28e84fbc675707) | HID descriptor type.
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2020-11-10 15:02:44 +00:00
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`public le16_t `[`bcdHID`](#structusb__hid__descriptor__t_1ab86c23448d45c6d68efec9f9af5d10de) | Binary Coded Decimal Spec. release.
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`public uint8_t `[`bCountryCode`](#structusb__hid__descriptor__t_1a969a604033b72573d59a740badf6920e) | Hardware target country.
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`public uint8_t `[`bNumDescriptors`](#structusb__hid__descriptor__t_1a86ff434026085d9c0c751185eb3700c5) | Number of HID class descriptors to follow.
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`public uint8_t `[`bRDescriptorType`](#structusb__hid__descriptor__t_1a6da89ed91bee6e0a4f2c8cf3b40a7ede) | Report descriptor type.
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`public le16_t `[`wDescriptorLength`](#structusb__hid__descriptor__t_1ab3d5c878a0abf618eecc7f860e9aeb62) | Total length of Report descriptor.
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## Members
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#### `public uint8_t `[`bLength`](#structusb__hid__descriptor__t_1a1deca1f1d6e5815b290e6e1015bce5b8) {#structusb__hid__descriptor__t_1a1deca1f1d6e5815b290e6e1015bce5b8}
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Size of this descriptor in bytes.
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#### `public uint8_t `[`bDescriptorType`](#structusb__hid__descriptor__t_1a67d7027b9eb9ed268d28e84fbc675707) {#structusb__hid__descriptor__t_1a67d7027b9eb9ed268d28e84fbc675707}
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2021-08-28 22:38:06 +00:00
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HID descriptor type.
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2020-11-10 15:02:44 +00:00
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#### `public le16_t `[`bcdHID`](#structusb__hid__descriptor__t_1ab86c23448d45c6d68efec9f9af5d10de) {#structusb__hid__descriptor__t_1ab86c23448d45c6d68efec9f9af5d10de}
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Binary Coded Decimal Spec. release.
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#### `public uint8_t `[`bCountryCode`](#structusb__hid__descriptor__t_1a969a604033b72573d59a740badf6920e) {#structusb__hid__descriptor__t_1a969a604033b72573d59a740badf6920e}
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Hardware target country.
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#### `public uint8_t `[`bNumDescriptors`](#structusb__hid__descriptor__t_1a86ff434026085d9c0c751185eb3700c5) {#structusb__hid__descriptor__t_1a86ff434026085d9c0c751185eb3700c5}
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2021-08-28 22:38:06 +00:00
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Number of HID class descriptors to follow.
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#### `public uint8_t `[`bRDescriptorType`](#structusb__hid__descriptor__t_1a6da89ed91bee6e0a4f2c8cf3b40a7ede) {#structusb__hid__descriptor__t_1a6da89ed91bee6e0a4f2c8cf3b40a7ede}
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Report descriptor type.
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#### `public le16_t `[`wDescriptorLength`](#structusb__hid__descriptor__t_1ab3d5c878a0abf618eecc7f860e9aeb62) {#structusb__hid__descriptor__t_1ab3d5c878a0abf618eecc7f860e9aeb62}
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Total length of Report descriptor.
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