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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Runtime.InteropServices;
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namespace USB2XXX
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{
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class USB2DIO
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{
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//定义函数返回错误代码
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public const Int32 DIO_SUCCESS = (0); //函数执行成功
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public const Int32 DIO_ERR_NOT_SUPPORT = (-1); //适配器不支持该函数
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public const Int32 DIO_ERR_USB_WRITE_FAIL = (-2); //USB写数据失败
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public const Int32 DIO_ERR_USB_READ_FAIL = (-3); //USB读数据失败
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public const Int32 DIO_ERR_CMD_FAIL = (-4); //命令执行失败
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public const Int32 DIO_ERR_ARG = (-5); //传入函数参数异常
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//DIO引脚宏定义
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public const UInt32 DIO_PIN_LIN1 = 0x0001;
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public const UInt32 DIO_PIN_LIN2 = 0x0002;
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public const UInt32 DIO_PIN_LIN3 = 0x0004;
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public const UInt32 DIO_PIN_LIN4 = 0x0008;
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public const UInt32 DIO_PIN_DI0 = 0x0010;
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public const UInt32 DIO_PIN_DI1 = 0x0020;
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public const UInt32 DIO_PIN_DI2 = 0x0040;
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public const UInt32 DIO_PIN_DI3 = 0x0080;
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public const UInt32 DIO_PIN_DO0 = 0x0100;
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public const UInt32 DIO_PIN_DO1 = 0x0200;
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public const UInt32 DIO_PIN_DO2 = 0x0400;
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public const UInt32 DIO_PIN_DO3 = 0x0800;
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/**
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* @brief 初始化DIO,将对应引脚初始化为DIO功能
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* @param DevHandle 设备号，通过调用 @ref USB_ScanDevice 获取
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* @param[in] PinMask 需要初始化的DIO引脚，可以参考 @ref DIO引脚宏定义
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* @return 函数执行状态
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* @retval =0 函数执行成功
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* @retval <0 函数调用失败
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*/
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[DllImport("USB2XXX.dll")]
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public static extern Int32 DIO_Init(Int32 DevHandle,UInt32 PinMask);
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/**
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* @brief 控制DIO引脚输出高电平
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* @param DevHandle 设备号，通过调用 @ref USB_ScanDevice 获取
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* @param[in] PinMask 需要初始化的DIO引脚，可以参考 @ref DIO引脚宏定义
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* @return 函数执行状态
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* @retval =0 函数执行成功
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* @retval <0 函数调用失败
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*/
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[DllImport("USB2XXX.dll")]
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public static extern Int32 DIO_SetPins(Int32 DevHandle,UInt32 PinMask);
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/**
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* @brief 控制DIO引脚输出低电平
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* @param DevHandle 设备号，通过调用 @ref USB_ScanDevice 获取
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* @param[in] PinMask 需要初始化的DIO引脚，可以参考 @ref DIO引脚宏定义
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* @return 函数执行状态
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* @retval =0 函数执行成功
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* @retval <0 函数调用失败
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*/
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[DllImport("USB2XXX.dll")]
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public static extern Int32 DIO_ResetPins(Int32 DevHandle,UInt32 PinMask);
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/**
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* @brief 设置PWM相位参数值
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* @param DevHandle 设备号，通过调用 @ref USB_ScanDevice 获取
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* @param[in] PinMask 需要初始化的DIO引脚，可以参考 @ref DIO引脚宏定义
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* @return 函数执行状态
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* @retval >=0 读到的引脚状态
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* @retval <0 函数调用失败
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*/
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[DllImport("USB2XXX.dll")]
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public static extern Int32 DIO_ReadPins(Int32 DevHandle,UInt32 PinMask);
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}
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}
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