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package iface
// TODO: Use an io.writer instead?
type Logger interface {
Printf(format string, v ...interface{})
}
// Protocol provides an abstract interface to command servos. This exists so
// that our abstract Servo type can communicate with actual servos regardless
// which protocol version they speak.
//
// The interface must be the union of all protocol versions, but (so far) they
// all have roughly the same instructions, so this isn't a big deal.
type Protocol interface {
ReadData(ident int, instruction byte) ([]byte, error)
// WriteData writes a slice of bytes to the control table of the given servo
// ID.
WriteData(ident int, instruction byte, data []byte) error
}
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