com.szsicod.print.io

类 USBAPI

java.lang.Object

com.szsicod.print.io.USBAPI

所有已实现的接口:

InterfaceAPI

public class USBAPI
extends java.lang.Object
implements InterfaceAPI

USB API

构造器概要

构造器

构造器和说明
USBAPI(android.content.Context context)

方法概要

限定符和类型	方法和说明
int	closeDevice()
void	deviceControlTransfer()
java.lang.Boolean	isOpen()
int	openDevice() 寻找设置和打开设置
int	readBuffer(byte[] readBuffer, int offsetSize, int readSize, int waitTime)
int	writeBuffer(byte[] writeBuffer, int offsetSize, int writeSize, int waitTime)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

USBAPI

public USBAPI(android.content.Context context)

方法详细资料

openDevice

public int openDevice()

寻找设置和打开设置

指定者:

openDevice 在接口中 InterfaceAPI

返回:

0 成功 其他为失败

deviceControlTransfer

public void deviceControlTransfer()

closeDevice

public int closeDevice()

指定者:

closeDevice 在接口中 InterfaceAPI

isOpen

public java.lang.Boolean isOpen()

指定者:

isOpen 在接口中 InterfaceAPI

readBuffer

public int readBuffer(byte[] readBuffer,
                      int offsetSize,
                      int readSize,
                      int waitTime)

指定者:

readBuffer 在接口中 InterfaceAPI

writeBuffer

public int writeBuffer(byte[] writeBuffer,
                       int offsetSize,
                       int writeSize,
                       int waitTime)

指定者:

writeBuffer 在接口中 InterfaceAPI