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Variables ¶
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var ( ErrHIDInvalidPort = errors.New("invalid USB port") ErrHIDInvalidCore = errors.New("invalid USB core") ErrHIDReportTransfer = errors.New("failed to transfer HID report") )
from usb-hid.go
Functions ¶
func SetCallbackHandler ¶
func SetCallbackHandler(d hidDevicer)
SetCallbackHandler sets the callback. Only the first time it is called, it calls machine.EnableHID for USB configuration
Types ¶
type RingBuffer ¶
type RingBuffer struct {
// contains filtered or unexported fields
}
RingBuffer is ring buffer implementation inspired by post at https://www.embeddedrelated.com/showthread/comp.arch.embedded/77084-1.php
func (*RingBuffer) Clear ¶
func (rb *RingBuffer) Clear()
Clear resets the head and tail pointer to zero.
func (*RingBuffer) Get ¶
func (rb *RingBuffer) Get() ([]byte, bool)
Get returns a byte from the buffer. If the buffer is empty, the method will return a false as the second value.
func (*RingBuffer) Put ¶
func (rb *RingBuffer) Put(val []byte) bool
Put stores a byte in the buffer. If the buffer is already full, the method will return false.
func (*RingBuffer) Used ¶
func (rb *RingBuffer) Used() uint8
Used returns how many bytes in buffer have been used.
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