驱动
本帖最后由 gxg0000 于 2024-7-13 13:46 编辑闲暇无事，翻出多年前的飞凌2440嵌入式单片机，将其改成多功能仪表，其中有一中短波扫频仪功能，也算是废物利用吧。
扫频仪采用WINCE5.0系统运行，以下扫频仪流驱动程序，程序带注释，仅供参考！
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扫频仪全貌
扫频仪工作界面
扫频仪探头
// SWEEP.cpp : 定义 DLL 应用程序的入口点。
//
#include "stdafx.h"
#define REG_TYPE DWORD
#include <ceddk.h>
#include <s3c2440a_ioport.h>
#include <s3c2440a_adc.h>
#include <s3c2440a_base_regs.h>
#define DLLAPI extern "C" __declspec(dllexport) //指定C编译器编译
static volatile S3C2440A_IOPORT_REG*v_pIOPregs; // S3C2440x GPIO registers
static volatile S3C2440A_ADC_REG*v_pADCPregs; // S3C2440x ADC registers
//IO控制DDS引脚定义
#define ad9850_w_clk_clr v_pIOPregs->GPGDAT &=~ (1 <<7) //GPG7口接ad9850的w_clk脚
#define ad9850_w_clk_set v_pIOPregs->GPGDAT |= (1 << 7)
#define ad9850_fq_up_clr v_pIOPregs->GPGDAT &=~ (1 << 5) //GPG5口接ad9850的fu_ud脚
#define ad9850_fq_up_set v_pIOPregs->GPGDAT |= (1 << 5)
#define ad9850_bit_data_clr v_pIOPregs->GPGDAT &=~ (1 << 2) //GPG2口接ad9850的data脚
#define ad9850_bit_data_set v_pIOPregs->GPGDAT |= (1 << 2)
#define ad9850_rest_clr v_pIOPregs->GPEDAT &=~ (1 << 12) //GPE12口接ad9850的reset脚
#define ad9850_rest_set v_pIOPregs->GPEDAT |= (1 << 12)
//
bool flag=true; //读写标记
unsigned int f_start =441750; //扫描开始频率
unsigned int step=150; //步进
unsigned int delay=1; //采样速度1快2慢
unsigned int ad_channel=1;//AD通道
unsigned int adc;
unsigned int Array1;
unsigned int Array2;
HANDLE hand; //AD线程句柄
DWORD WINAPI ADThread(); //AD线程函数
/*-------------------------------------------------------------/
函数名称： Delay_us
功能描述： 延时函数
传 参： n*1微秒
返 回 值： 无
--------------------------------------------------------------*/
void Delay_us(unsigned int n)
{
volatile unsigned int i,j;
for(i = 0; i < n; i++)
for(j = 0; j < 78; j++);
}
/*-------------------------------------------------------------/
函数名称： ad9850_reset_serial
功能描述： ad9850复位(串口模式)
传 参：无
返 回 值：无
--------------------------------------------------------------*/
void ad9850_reset_serial()
{
ad9850_w_clk_clr;
ad9850_fq_up_clr;
ad9850_rest_clr; //rest信号
ad9850_rest_set;
Delay_us(1);
ad9850_rest_clr;
ad9850_w_clk_clr; //w_clk信号
ad9850_w_clk_set;
Delay_us(1);
ad9850_w_clk_clr;
ad9850_fq_up_clr; //fu_ud信号
ad9850_fq_up_set;
Delay_us(1);
ad9850_fq_up_clr;
}
/*-------------------------------------------------------------/
函数名称： ad9850_w
功能描述： 向ad9850串口写1字节函数
传 参：w
返 回 值：无
--------------------------------------------------------------*/
void ad9850_w(BYTE w)
{
for(unsigned char i=0;i<8;i++)
{
(((w>>i)&1)==1)?(ad9850_bit_data_set):(ad9850_bit_data_clr);
ad9850_w_clk_set;
Delay_us(1);
ad9850_w_clk_clr;
}
}
/*-------------------------------------------------------------/
函数名称： ad9850_wr_serial
功能描述： 向ad9850中写命令与数据(串口)
传 参：w0,frequence
返 回 值：无
--------------------------------------------------------------*/
void ad9850_wr_serial(BYTE w0,unsigned int frequence)
{
unsigned int y=(unsigned int)(frequence*34.35973836);
ad9850_w(y); //写w4数据
ad9850_w(y>>8); //写w3数据
ad9850_w(y>>16); //写w2数据
ad9850_w(y>>24); //写w1数据
ad9850_w(w0); //写w0数据
ad9850_fq_up_set; //移入始能
Delay_us(1);
ad9850_fq_up_clr;
}
/*-------------------------------------------------------------/
函数名称： ADC
功能描述： 单次模数转换函数
传 参：无
返 回 值：10位有效
--------------------------------------------------------------*/
UINT32 ADC()
{
v_pADCPregs-> ADCCON |= 0x1; // 开始转换
while ( (v_pADCPregs-> ADCCON) & (1<<0)); //检测开始位是否为低电平
while(!((v_pADCPregs-> ADCCON) & (1<<15))); //检测转换是否完毕标志位
return ((v_pADCPregs->ADCDAT0) & 0x3ff);
}
/*-------------------------------------------------------------/
函数名称： ADC_DigitalFilter_1
功能描述： 模数转换+数字滤波函数(32次AD)
传 参：无
返 回 值：10位有效
--------------------------------------------------------------*/
UINT32 ADC_DigitalFilter_1()
{
v_pADCPregs-> ADCDLY = 10; // ADC开始延时寄存器(延时时间最小)
for (unsigned int j=0; j<32; j++) {Array1=ADC();}
v_pADCPregs-> ADCDLY = 20000; //ADC开始延时寄存器(恢复默认,否则要影响触摸屏)
qsort(Array1,32,4,comp);
unsigned int add=0;
for (unsigned int j=0; j<16; j++) {add+=Array1;}
return add>>4;
}
/*-------------------------------------------------------------/
函数名称： ADC_DigitalFilter_2
功能描述： 模数转换+数字滤波函数(64次AD)
传 参：无
返 回 值：10位有效
--------------------------------------------------------------*/
UINT32 ADC_DigitalFilter_2()
{
v_pADCPregs-> ADCDLY = 10;
for (unsigned int j=0; j<64; j++) {Array2=ADC();}
v_pADCPregs-> ADCDLY = 20000;
qsort(Array2,64,4,comp);
unsigned int add=0;
for (unsigned int j=0; j<32; j++) {add+=Array2;}
return add>>5;
}
//-----------------------------------------------------------------------------
//----------------------DllMain入口--------------------------------
BOOL APIENTRY DllMain( HANDLE hModule, DWORDul_reason_for_call, LPVOID lpReserved)
{
switch ( ul_reason_for_call )
{
case DLL_PROCESS_ATTACH:
RETAILMSG(1, (_T("SEW_PROCESS_ATTACH\r\n"))); //DisableThreadLibraryCalls((HMODULE) hModule);
break;
case DLL_PROCESS_DETACH:
RETAILMSG(1, (_T("SEW_PROCESS_DETACH\r\n")));
break;
}
return true;
}
//-----------------------------------------------------------------------------
//-------------init-init-init-init-init-init-init-------------------
DLLAPI DWORD SWE_Init(LPCTSTR pContext)
{
RETAILMSG(1,(TEXT("***SWE_init\r\n")));
//IO寄存器地址映射
v_pIOPregs = (volatile S3C2440A_IOPORT_REG *)VirtualAlloc(0, sizeof(S3C2440A_IOPORT_REG), MEM_RESERVE,PAGE_NOACCESS);//为v_pIOPregs变量分配虚拟空间
if (v_pIOPregs == NULL)
{
ERRORMSG(1,(_T("SWE_InitAddrIO: VirtualAlloc failed!\r\n"))); //分配虚拟空间不成功
return 0;
}
if (!VirtualCopy((PVOID)v_pIOPregs, (PVOID)(S3C2440A_BASE_REG_PA_IOPORT>>8) , sizeof(S3C2440A_IOPORT_REG), PAGE_PHYSICAL | PAGE_READWRITE | PAGE_NOCACHE))//把v_pIOPregs虚拟空间映射到物理内存
{
ERRORMSG(1,(_T("SWE_InitAddrIO: VirtualCopy failed!\r\n")));
VirtualFree((PVOID) v_pIOPregs, 0, MEM_RELEASE); //释放虚拟空间
v_pIOPregs = NULL;
return 0;
}
//ADC寄存器地址映射
v_pADCPregs = (volatile S3C2440A_ADC_REG *)VirtualAlloc(0, sizeof(S3C2440A_ADC_REG), MEM_RESERVE,PAGE_NOACCESS);
if (v_pADCPregs == NULL) //分配虚拟空间不成功
{
ERRORMSG(1,(TEXT("SWE_InitAddrADC: VirtualAlloc failed!\r\n")));
return 0;
}
if(!VirtualCopy((PVOID)v_pADCPregs, (PVOID)(S3C2440A_BASE_REG_PA_ADC>>8) , sizeof(S3C2440A_ADC_REG), PAGE_PHYSICAL | PAGE_READWRITE | PAGE_NOCACHE))//把虚拟空间与物理空间绑定
{
ERRORMSG(1,(TEXT("SWE_InitAddrADC: VirtualCopy failed!\r\n")));
VirtualFree((PVOID) v_pADCPregs, 0, MEM_RELEASE); //释放虚拟空间
v_pADCPregs = NULL;
return 0;
}
return 1;
}
//-----------------------------------------------------------------------------
//-------------Deinit-DeinitDeinit-DeinitDein------------
DLLAPI BOOL SWE_Deinit(DWORD hDeviceContext)
{
RETAILMSG(1,(TEXT("***SWE_Deinit\r\n")));
if(v_pIOPregs)
{
VirtualFree((PVOID) v_pIOPregs, 0, MEM_RELEASE); /*释放虚拟空间*/
v_pIOPregs = NULL;
}
if(v_pADCPregs)
{
VirtualFree((PVOID) v_pADCPregs, 0, MEM_RELEASE); /*释放虚拟空间*/
v_pADCPregs = NULL;
}
return true;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DLLAPI DWORD SWE_Open(DWORD hDeviceContext,DWORD AccessCode,DWORD ShareMode)
{
//设置GPG7:GPG5:GPG2:GPE12:端口输出
v_pIOPregs->GPGCON &=~ (1<< 15); //设置GPG7输出(15:14位)
v_pIOPregs->GPGCON |= (1<< 14);
v_pIOPregs->GPGCON &=~ (1<< 11); //设置GPG5输出(11:10位)
v_pIOPregs->GPGCON |= (1<< 10);
v_pIOPregs->GPGCON &=~ (1<< 5); //设置GPG2输出(5:4位)
v_pIOPregs->GPGCON |= (1<< 4);
v_pIOPregs->GPECON &=~ (1<< 25); //设置GPE12输出(25:24位)
v_pIOPregs->GPECON |= (1<< 24);
//设置放电端口
v_pIOPregs->GPBCON &=~ (1<< 15); //设置GPG7输入(15:14位)
v_pIOPregs->GPBCON &=~ (1<< 14);
v_pIOPregs->GPBUP |= (1<< 7); //取消GPB7端口上拉电阻
//创建AD线程
hand = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)ADThread,NULL,0,NULL);
// 设置线程的优先级低于触控屏
if( !CeSetThreadPriority(hand, 130))
{
RETAILMSG(1,(TEXT("SWE: Failed setting Thread Priority.\r\n")));
return 0;
}
RETAILMSG(1,(TEXT("***SWE_OPEN\r\n")));
return (1);
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DLLAPI BOOL SWE_Close(DWORD hOpenContext)
{
RETAILMSG(1,(TEXT("***SWE_Close\r\n")));
TerminateThread(hand,-1); //在线程外终止一个线程，用于强制终止线程(终止线程句柄，退出码)
CloseHandle(hand); //关闭AD转换线程句柄
v_pIOPregs->GPGCON &=~ (1<< 15); //设置GPG7输入(15:14位)
v_pIOPregs->GPGCON &=~ (1<< 14);
v_pIOPregs->GPGCON &=~ (1<< 11); //设置GPG5输入(11:10位)
v_pIOPregs->GPGCON &=~ (1<< 10);
v_pIOPregs->GPGCON &=~ (1<< 5); //设置GPG2输入(5:4位)
v_pIOPregs->GPGCON &=~ (1<< 4);
v_pIOPregs->GPECON &=~ (1<< 25); //设置GPE12输入(25:24位)
v_pIOPregs->GPECON &=~ (1<< 24);
return (true);
}
//-----------------------------------------------------------------------------
//----------IO-IO-IO-IO-IO-IO-IO-IO-IO-IO-IO-------------
DLLAPI BOOL SWE_IOControl(DWORD hOpenContext, //DRV_Open()返回的设备打开上下文
DWORD dwCode, //要发送的控制码(应用程序发往驱动控制命令，握手约定)
PBYTE pBufIn, //输入，指向输入缓冲区的指针
DWORD dwLenIn, //输入缓冲区的长度
PDWORD pBufOut, //输出，指向输出缓冲区的指针(将指针由BYTE型改成DWORD型)
DWORD dwLenOut, //输出缓冲区的长度
PDWORD pdwActualOut)//输出，设备实际输出字符数
{
dwLenIn=16; //输入缓冲区的长度
dwLenOut=310; //输出缓冲区的长度
unsigned int data =0;
f_start=0;
step=0;
delay=0;
ad_channel=0;
for(unsigned char i=0; i<16; i++)
{
data=*pBufIn;
if(i<4) f_start += data<<(8*i);
else if(i<8) step += data<<(8*(i-4));
else if(i<12) delay += data<<(8*(i-8));
else if(i<16) ad_channel += data<<(8*(i-12));
pBufIn++;
}
memcpy(pBufOut, adc,1240); //数组拷贝到*pBufOut(310*4字节)
flag=true; //设立AD转换标记，在线程内完成采集
RETAILMSG(1,(TEXT("***SWE_IOControl\n")));
return true;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DLLAPI DWORD SWE_Read(DWORD hOpenContext, LPVOID pBuffer, DWORD Count)
{
RETAILMSG(1,(TEXT("***SWE_Read\n")));
return 1;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DLLAPI DWORD SWE_Write(DWORD hOpenContext, LPCVOID pBuffer, DWORD Count)
{
RETAILMSG(1,(TEXT("***SWE_Write\n")));
return 1;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DLLAPI DWORD SWE_Seek(DWORD hOpenContext,long Amount,DWORD Type)
{
DWORD dwRet = 0;
RETAILMSG(1,(TEXT("***SWE_Seek\n")));
return dwRet;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DLLAPI void SWE_PowerDown(DWORD hDeviceContext)
{
RETAILMSG(1,(TEXT("***SWE_PowerDown\n")));
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DLLAPI void SWE_PowerUp(DWORD hDeviceContext)
{
RETAILMSG(1,(TEXT("***SWE_PowerUp\n")));
}
//-----------------------------------------------------------------------------
//--------------------------AD线程---------------------------------------
DWORD WINAPI ADThread()
{
RETAILMSG(1,(_T("ADThread++\r\n")));
HWND hwnd;
if(!(hwnd = FindWindow(NULL,_T("扫频仪")))) //获取窗口句柄
{RETAILMSG(1,(TEXT("Get handle failure\n")));}
int time1=0; //设置电池电压发回窗口控制循环时间
while (1)
{
if(flag==true)//查询读/写标记
{
DWORD dstart=GetTickCount();
v_pADCPregs-> ADCCON = (1 << 14) | (98 << 6) | (ad_channel << 3); //AD初始化(D14="1"分频有效, D13:6=98分频系数1Mhz()10us,建立通道号
for (unsigned int i=0; i<310; i++) // =1,等待310次转化完成
{
if((step!=0)|(i==0)) //步进=0, DDS频率修改第1次, 以后for循环内不修改DDS频率
{
ad9850_reset_serial();
ad9850_wr_serial(0x0, f_start+i*step); //向ad9850中写命令与数据(串口)
}
Sleep(1);//线程阻塞1ms
if(delay==1)
adc=ADC_DigitalFilter_1();
else
adc=ADC_DigitalFilter_2();
}
RETAILMSG(1,(TEXT("time= %dms\n"), (GetTickCount() - dstart))); //计数310次AD转换运行时间并显示
//向ad9850写入扫描初始频率
ad9850_wr_serial(0x0, f_start);
//ch3通道电池电压监控
time1=0;
v_pADCPregs-> ADCCON = (1 << 14) | (98 << 6) | (3 << 3);
int UV =ADC_DigitalFilter_1();
flag=false;
if(hwnd != NULL)
{
if (!(PostMessage(hwnd, 310, 0,UV))) //将测量值发送到应用程序窗口
{RETAILMSG(1,(TEXT("Messaging failure\n")));}
}
}
else
{
time1++;
if(time1==100)
{
time1=0;
int UV =ADC_DigitalFilter_1();
flag=false;
if(hwnd != NULL)
{
if (!(PostMessage(hwnd, 3700, 0,UV))) //将电池电压发送到应用程序窗口
{RETAILMSG(1,(TEXT("Messaging failure\n")));}
}
}
else Sleep(10);
}
}
return true;
}
程序编译后生成SWEEP.dll驱动。
补充内容 (2024-7-13 16:56):
不小心排序回调函数删了，补上
/******排序回调函数******/
int comp(const void * p1,const void * p2)
{
int n1 = *((const int *)p1);
int n2 = *((const int *)p2);
return n1 < n2 ?-1:(n1 > n2?1:0);
}
补充内容 (2024-7-25 15:37):
谢谢老师们加分鼓励！ 本帖最后由 gxg0000 于 2024-7-25 15:19 编辑
窗口应用程序C#书写，有注释，仅供参考！
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Threading;
using System.Drawing.Imaging;
using 琴键开关;
using System.Diagnostics;
namespace 扫频仪
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public const int GWL_WNDPROC = (-4); //nIndex的参数:为窗口过程设定一个新的地址
public IntPtr OldProc = IntPtr.Zero;
//API声明,将消息信息传送给指定的窗口过程
private extern static int CallWindowProc(IntPtr lpPrevWndFunc, IntPtr hwnd, uint msg, uint wParam, int lParam);
//API声明,改变指定窗口的属性
public static extern IntPtr SetWindowLong(IntPtr hwnd, int nIndex, IntPtr dwNewLong);
public delegate int WndProcHandler(IntPtr hwnd, uint msg, uint wParam, int lParam);//定义委托(Delegate)的类型函数
WndProcHandler myproc = null; //声明委托类型对象
int hd; //声明流驱动设备句柄
int hDrv; //声明打开设备句柄
bool button1_state=true;
bool loop1= true; //数据刷新标记
bool loop2 = false;//图形上显示带宽标记
int dwCode; //控制码
uint dstart = 0;
public const int OPEN_EXISTING = 3;
public const int INVALID_HANDLE_VALUE = -1;
public const int GENERIC_READ = -0;
public const int GENERIC_WRITE = 0x40000000;
public static uint[] pBuffIn1 = new uint; //声明写入数组
public static byte[] pBuffIn2 = new byte;
public static uint[] pBufOut1 = new uint;//声明读出数组
public static uint[] pBufOut2 = new uint;
uint[] f1 = { 455000, 465000, 4000000, 8000000, 10700000, 12000000, 16000000, 20000000, 24000000, 30000000 };
uint[] f2 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 100 };
KeySwitch keySwitch5;
KeySwitch keySwitch6;
KeySwitch keySwitch7;
public static extern uint GetTickCount();
public static extern int CreateFile(string lpFileName, int dwDesiredAccess, int dwShareMode, int lpSecurityAttributes, int dwCreationDisposition, int dwFLagsAndAttributes, int hTemplateFile);
public static extern bool WriteFile(int hFile, byte[] lpBuffer, int nNumberOfBytesToWrite, byte[] pNumberOfBytesWritten, int lpOverlapped);
public static extern bool ReadFile(int hFile, byte[] lpBuffer, int nNumberOfBytesToRead, byte[] lpNumberOfBytesRead, int lpOverlapped);
public static extern int DeviceIoControl(int hDevice, int dwIoControlCode, uint[] lpInBuffer, int nInBufferSize, uint[] lpOutBuffer, int nOutBufferSize, IntPtr lpBytesReturned, int lpOverlapped);
public static extern bool CloseHandle(int hObject);
//加载流驱动
public static extern int ActivateDeviceEx(string lpszDevKey, IntPtr lpRegEnts, UInt32 cRegEnts, IntPtr dwParam);
//卸载流
public static extern bool DeactivateDevice(int hDevice);
Pen p1 = new Pen(Color.LimeGreen, 1); //创建画笔p1(色，像数)
Pen p2 = new Pen(Color.DimGray, 1);
Pen p3 = new Pen(Color.FromArgb(30, 30, 30), 1);
Brush brush1= new SolidBrush(Color.Brown);
Bitmap tup1; Graphics g1; //画曲线
Bitmap tup2; Graphics g2; //画网格和坐标
Thread ThreadAd;
/// <summary>
/// 画显示电池电压图形
/// </summary>
/// <param name="level">电量等级</param>
private void UV(int level)
{
if (level > 715) //欠压7.18V时对应AD值715
{
level = (level - 715) / 17 + 1;
level = (level > 4) ? 4 : level; //限幅
}
else
{
level = 0;
}
Bitmap tup3; Graphics g3; //画电池图形
tup3 = new Bitmap(22, 14); g3 = Graphics.FromImage(tup3);
Brush brush2 = new SolidBrush(Color.Gray);
g3.DrawRectangle(new Pen(Color.FromArgb(50, 50, 50), 1), 0, 4, 2, 5);
g3.DrawRectangle(new Pen(Color.FromArgb(50, 50, 50), 1), 2, 2, 19, 9);
g3.FillRectangle(brush2, 20 - 4 * level, 4, 4 * level, 6);
pictureBox2.Image = tup3;
g3.Dispose();
}
/// <summary>
/// 频率显示格式化
/// </summary>
/// <param name="f">频率</param>
/// <param name="str1">返回频率值</param>
/// <param name="str2">返回频率单位</param>
private void Freq_Format(int f, out string str1, out string str2)
{
string length1 = f.ToString();
if (length1.Length < 4) { str1 = length1; str2 = "Hz"; }
else if (length1.Length == 4) { str1 = length1.Insert(1, "."); str2 = "KHz"; }
else if (length1.Length == 5) { str1 = length1.Insert(2, ".").Remove(5, 1); str2 = "KHz"; }
else if (length1.Length == 6) { str1 = length1.Insert(3, ".").Remove(5, 2); str2 = "KHz"; }
else if (length1.Length == 7) { str1 = length1.Insert(1, ".").Remove(5, 3); str2 = "MHz"; }
else if (length1.Length == 8) { str1 = length1.Insert(2, ".").Remove(5, 4); str2 = "MHz"; }
else { str1 = "0"; str2 = "0"; }
}
/// <summary>
/// 图像提亮函数
/// </summary>
/// <param name="sur">源图像</param>
/// <param name="light">背景图像提亮(=0亮度不变、正数亮度增加、负数亮度降低</param>
/// <returns></returns>
private Bitmap ImageLight(Bitmap sur, int light)
{
if (light == 0) { return sur; }
Bitmap tempCur = (Bitmap)sur.Clone(); //创建临时背景位图副本
BitmapData bmpData1 = tempCur.LockBits(new Rectangle(0, 0, tempCur.Width, tempCur.Height), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
int stride = bmpData1.Stride; //背景图像扫描宽度
byte[] Data1 = new byte; //背景图像数组
Marshal.Copy(bmpData1.Scan0, Data1, 0, stride * tempCur.Height);//读取背景图像数据(拷贝到托管数组)
for (int i = 0; i < tempCur.Height; i++) //高内循环
{
for (int j = 0; j < tempCur.Width; j++) //行内循环
{
int m = i * stride + j * 3;
int b = Data1 + light;
int g = Data1 + light;
int r = Data1 + light;
if (light > 0)
{
b = b > 255 ? 255 : b;
g = g > 255 ? 255 : g;
r = r > 255 ? 255 : r;
}
else if (light < 0)
{
b = b < 0 ? 0 : b;
g = g < 0 ? 0 : g;
r = r < 0 ? 0 : r;
}
Data1 = (byte)b;
Data1 = (byte)g;
Data1 = (byte)r;
}
}
Marshal.Copy(Data1, 0, bmpData1.Scan0, stride * tempCur.Height); //将数据写入图像(拷贝到bmpData1)
tempCur.UnlockBits(bmpData1);
return tempCur;
}
/// <summary>
/// 生成窗口上固定的字符串
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form1_Paint(object sender, PaintEventArgs e)
{
Graphics g3 = e.Graphics;
Font font = new Font("Arial", 9f, FontStyle.Regular);
Brush brush = new SolidBrush(Color.DimGray);
//画显示图形区矩形框
g3.DrawRectangle(p2, 21, 19, 311, 217);
//y轴刻度字符串生成
g3.DrawString("电压(V)", font, brush, 1, 4);
g3.DrawString("3", font, brush, 1, 18);
g3.DrawString("2.5", font, brush, 1, 51);
g3.DrawString("2", font, brush, 1, 87);
g3.DrawString("1.5", font, brush, 1, 123);
g3.DrawString("1", font, brush, 1, 159);
g3.DrawString("0.5", font, brush, 1, 195);
g3.DrawString("0", font, brush, 1, 227);
//频率轴刻度字符串生成
g3.DrawString("0", font, brush, 19, 238);
g3.DrawString("1", font, brush, 51, 238);
g3.DrawString("2", font, brush, 82, 238);
g3.DrawString("3", font, brush, 113, 238);
g3.DrawString("4", font, brush, 144, 238);
g3.DrawString("5", font, brush, 175, 238);
g3.DrawString("6", font, brush, 206, 238);
g3.DrawString("7", font, brush, 237, 238);
g3.DrawString("8", font, brush, 268, 238);
g3.DrawString("9", font, brush, 299, 238);
g3.DrawString("10", font, brush, 326, 238);
//
//g3.DrawString("gxg0000", font, brush, 1, 252);
g3.DrawString("扫描频率", font, brush, 142, 252);
//
g3.FillRectangle(new SolidBrush(Color.DarkKhaki), 340, 0, 138, 98);
g3.DrawString("谐振频率", font, new SolidBrush(Color.DarkRed), 342, 5);
g3.DrawLine(new Pen(Color.MediumOrchid, 2), 346, 49, 472, 49);
g3.DrawString("峰值电压 V", font, new SolidBrush(Color.Indigo), 342, 55);
//
g3.FillRectangle(new SolidBrush(Color.YellowGreen), 340, 100, 138, 82);
g3.DrawString("带宽", font, new SolidBrush(Color.Purple), 342+24, 103);
g3.DrawString("下边频", font, new SolidBrush(Color.Purple), 342+12, 119);
g3.DrawString("上边频", font, new SolidBrush(Color.Purple), 342+12, 135);
g3.DrawString("Q值", font, new SolidBrush(Color.Purple), 342+30, 151);
g3.DrawString("矩形系数", font, new SolidBrush(Color.Purple), 342, 167);
//
g3.FillRectangle(new SolidBrush(Color.LightSeaGreen), 340, 184, 138, 51);
g3.DrawString("开始频率", font, new SolidBrush(Color.Navy), 342, 188);
g3.DrawString("步进", font, new SolidBrush(Color.Navy), 342+24, 203);
g3.DrawString("终止频率", font, new SolidBrush(Color.Navy), 342, 218);
}
private void Form1_Load(System.Object sender, System.EventArgs e) //初始化
{
Cursor.Hide();
this.Width = 480;
this.Height = 267;
label18.Width = 1; //竖线
label18.Height = 216 - 12;
label18.Top = 20;
label18.Left = 22;
label18.Visible = false;
label19.Width = 310 - 32; //横向
label19.Height = 1;
label19.Top = 20;
label19.Left = 22 + 32;
label19.Visible = false;
label31.Width = 32; //频率刻度
label31.Height = 12;
label31.Top = 20 - 12 + 216;
label31.Left = 22;
label31.Visible = false;
label32.Width = 32; //增益刻度
label32.Height = 12;
label32.Top = 20;
label32.Left = 22;
label32.Visible = false;
hd = ActivateDeviceEx("\\Drivers\\SWEEP", IntPtr.Zero, 0, IntPtr.Zero); //加载驱动
hDrv = CreateFile("SWE1:", GENERIC_READ + GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);
if (INVALID_HANDLE_VALUE == hDrv) //获得句柄hDrv，句柄=-1，说明设备未打开
{ MessageBox.Show("不能打开SWE1"); }
tup1 = new Bitmap(310, 216); g1 = Graphics.FromImage(tup1);
tup2 = new Bitmap(310, 216); g2 = Graphics.FromImage(tup2);
dwCode = 0; //控制码
pBuffIn1 = 441750; //扫描开始频率
pBuffIn1 = 155; //步进
pBuffIn1 = 1; //AD转换增加延时1ms
pBuffIn1 = 1; //AD转换选择1通道
label2.Text = "0";
label3.Text = "0";
label4.Text = "0 Hz";
label5.Text = "0 Hz";
label6.Text = "0 Hz";
label8.Text = "";
//生成预置频率控件
keySwitch5 = new KeySwitch();
keySwitch5.SwichValue = 2;
keySwitch5.Left = 1;
keySwitch5.Top = 17;
keySwitch5.SwichText = new string[] { "455KHz", "465KHz", "4MHz", "8MHz", "10.7MHz", "12MHz", "16MHz", "20MHz", "24MHz", "手动"};
this.panel1.Controls.Add(keySwitch5); //添加到控件集合
this.keySwitch5.MouseDown += new KeySwitch.MouseDownEventHandler(this.keySwitch5_MouseDown);
//生成扫频范围控件
keySwitch6 = new KeySwitch();
keySwitch6.SwichValue = 5;
keySwitch6.Left = 62;
keySwitch6.Top = 17;
keySwitch6.SwichText = new string[] { "±1%", "±2%", "±3%", "±4%", "±5%", "±6%", "±7%", "±8%", "±9%", "手动" };
this.panel1.Controls.Add(keySwitch6); //添加到控件集合
this.keySwitch6.MouseDown += new KeySwitch.MouseDownEventHandler(this.keySwitch6_MouseDown);
//生成AD转换通道号控件
keySwitch7 = new KeySwitch();
keySwitch7.SwichNumber = 2;
keySwitch7.Left = 123;
keySwitch7.Top = 17;
keySwitch7.Height = 50;
keySwitch7.SwichText = new string[] { "ch1", "ch2" };
this.panel1.Controls.Add(keySwitch7); //添加到控件集合
//生成显示速度切换控件
//keySwitch4 = new KeySwitch();
//keySwitch4.SwichNumber = 2;
//keySwitch4.Left = 184;
//keySwitch4.Top = 17;
//keySwitch4.Height = 50;
//keySwitch4.SwichText = new string[] { "快", "慢" };
//this.panel1.Controls.Add(keySwitch4); //添加到控件集合
//
ThreadAd = new Thread(myTask); //创建读取电压采集数据的线程
ThreadAd.Start(); //启动线程
}
待续
/// <summary>
/// 截获驱动程序发出完成电压采集的消息
/// </summary>
/// <param name="e"></param>
protected override void OnHandleCreated(EventArgs e) //引发事件时,会通过委托调用事件处理程序
{
base.OnHandleCreated(e);
myproc = new WndProcHandler(MyWndProc);
OldProc = SetWindowLong(Handle, GWL_WNDPROC, Marshal.GetFunctionPointerForDelegate(myproc));
}
int MyWndProc(IntPtr hwnd, uint msg, uint wParam, int lParam)
{
if (msg == 310)
{
loop1 = true;
UV(lParam); //显示电池电量(频率扫描状态)
}
else if (msg == 3700)
{
UV(lParam); //显示电池电量(暂停状态)
}
return CallWindowProc(OldProc, hwnd, msg, wParam, lParam);
}
private void myTask() //数据接收及界面显示方法(多线程)
{
this.Invoke(new EventHandler(myTask_Drawing)); //委托调用画界面图形方法
while (true)
{
this.Invoke(new EventHandler(myTask_Show)); //委托调用接收数据和显示方法
}
}
private void myTask_Drawing(object sender, EventArgs e)//被调用画界面图形方法
{
for (int i = 31; i < 310; i += 31)
{
g2.DrawLine(p3, i, 0, i, 217); //画垂直格子线，间距31
}
for (int i = 36; i < 216; i += 36)
{
g2.DrawLine(p3, 0, i, 310, i); //画水平格子线，间距31
}
pictureBox1.Image = tup2;
}
private void myTask_Show(object sender, EventArgs e)//被调用接收数据和显示方法
{
if (pBuffIn1 == 1)
label17.Text = "快";
else
label17.Text = "慢";
if (loop1&(!button1_state) == true)
{
label14.Text = (GetTickCount() - dstart).ToString() + "ms";//显示一次循环时间
dstart = GetTickCount();
if (DeviceIoControl(hDrv, dwCode, pBuffIn1, 16, pBufOut1, 1, IntPtr.Zero, 0) == 0)
{
MessageBox.Show("读写SWE1出错");
}
for (int i = 0; i < 310; i++)
{
pBufOut2 = pBufOut1;//复制副本
}
Array.Sort(pBufOut2); //副本排序
uint Umax = pBufOut2;
int fs = Array.IndexOf<uint>(pBufOut1, Umax, 0);//索引中心频率位置
//搜索增益下降-3dB时的带宽(可用于计算Q值等...)
int fL = fs;
while ((fL != 0) && (Convert.ToInt32(pBufOut1) > (Convert.ToInt32(pBufOut2) * 0.708)))
{ fL--; } //搜索中心频率左边下降-3dB频率
int fH = fs;
while ((fH != 309) && (Convert.ToInt32(pBufOut1) > (Convert.ToInt32(pBufOut2) * 0.708)))
{ fH++; } //搜索中心频率右边下降-3dB频率
int BW_3dB = 0;
if ((fL == 0) | (fH == 309)) { BW_3dB = 0; }//未搜索到+-3dB处频率
else { BW_3dB = fH - fL; }//计算-3dB带宽
int b1 = Convert.ToInt32(label9.Text.Replace(",", "").Replace(" Hz", "")); //开始频率
int b2 = Convert.ToInt32(label10.Text.Replace(",", "").Replace(" Hz", ""));//步进
int fs_peak = b1 + fs * b2; //谐振峰频率
string s1 = "0";
string s2 = "0";
Freq_Format(fs_peak,out s1, out s2);
label2.Text = s1;
label1.Text = s2; //显示谐振频率
uint u1 = (Umax > 930) ? 930 : Umax;
label3.Text = String.Format("{0:N}", u1 * 3.3 / 1023); //显示谐振峰电压(限幅3V)
label4.Text = String.Format("{0:N}", BW_3dB * b2).Replace(".00", "") + " Hz";//显示带宽
label5.Text = String.Format("{0:N}", b1 + fL * b2).Replace(".00", "") + " Hz";//显示下边频
label6.Text = String.Format("{0:N}", b1 + fH * b2).Replace(".00", "") + " Hz";//显示上边频
//搜索增益下降-20dB时的带宽(与3dB带宽配合计算通道矩形系数)
int BW_20dB = 0;
int fL_20dB = fs;
while ((fL_20dB != 0) && (Convert.ToInt32(pBufOut1) > (Convert.ToInt32(pBufOut2) * 0.1)))
{ fL_20dB--; } //搜索中心频率左边下降-20dB频率
int fH_20dB = fs;
while ((fH_20dB != 309) && (Convert.ToInt32(pBufOut1) > (Convert.ToInt32(pBufOut2) * 0.1)))
{ fH_20dB++; } //搜索中心频率右边下降-20dB频率
if ((fL_20dB == 0) | (fH_20dB == 309)) { BW_20dB = 0; } //未搜索到+-20dB处频率
else { BW_20dB = fH_20dB - fL_20dB; }//计算-20dB带宽
if (BW_3dB * b2 == 0) { label7.Text = "0"; }
else { label7.Text = String.Format("{0:N}", (b1 + fs * b2) / (BW_3dB*b2)).Replace(".00", ""); } //显示Q值
//计算矩形系数
if ((BW_3dB != 0) & (BW_20dB != 0))//-3dB带宽或-20dB带宽=0，不计算矩形系数
{
label8.Text = String.Format("{0:N}", 1.0 * BW_3dB / BW_20dB); //显示矩形系数
}
else { label8.Text = ""; }
//下面是在这块内存画布上绘图(先在内存上画好图形,然后在刷新屏幕,降低屏闪)
g1.Clear(Color.Black); //清除内存绘图区
g1.DrawImage(tup2, new Rectangle(0, 0, 310, 216), new Rectangle(0, 0, 310, 216), GraphicsUnit.Pixel); //将tup2图像复制到tup1中
int y = 0;
List<Point> points = new List<Point>();//存直线连接的点
for (int i = 0; i < 310; i++)
{
y = Convert.ToInt32(pBufOut1 * 216 / 930); //电压倍率调整(=3*1023/3.3v)
points.Add(new Point(i, 215 - y));
}
g1.DrawLines(p1, points.ToArray());
//显示带宽
if (checkBox1.Checked== true)
{
int width3 = Convert.ToInt32(pBufOut1 * 216 / 930);//图形宽度
if ((BW_3dB != 0) & (width3 != 0))
{
Bitmap tup3 = new Bitmap(BW_3dB, width3);
Graphics g3 = Graphics.FromImage(tup3);
g3.DrawImage(tup1, 0, 0, new Rectangle((int)fL + 1, 216 - (int)(pBufOut1 * 216 / 930), BW_3dB, (int)(pBufOut1 * 216 / 930)), GraphicsUnit.Pixel);
tup3 = ImageLight(tup3, 35); //带宽显示处提高亮度
g1.DrawImage(tup3, (int)fL + 1, 216 - (int)(pBufOut1 * 216 / 930));
g3.Dispose();
}
}
pictureBox1.Image = tup1; //将内存画布画到图片框中
g1.Dispose(); //释放资源
g2.Dispose();
loop1 = false;
}
else
System.Threading.Thread.Sleep(10);
}
private void button1_Click(object sender, EventArgs e) //启动扫描
{
if (button1_state == true)
{
button1.Text = "暂停";
button1_state = false;
button3.Enabled = false;
}
else
{
button1.Text = "启动";
button1_state = true;
button3.Enabled = true;
}
}
private void button2_Click(object sender, EventArgs e) //退出
{
Cursor.Show();
ThreadAd.Abort();//终止线程
CloseHandle(hDrv); //关闭设备
DeactivateDevice(hd); //卸载驱动
this.Close();
}
/// <summary>
/// 打开设置界面
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button3_Click(object sender, EventArgs e)
{
if (button3.Text == "设置")
{
button3.Text = "返回";
panel1.Visible = true;
panel1.Top = 0;
panel1.Left = 0;
button1.Enabled = false;
button2.Enabled = false;
}
else
{
button3.Text = "设置";
panel1.Visible = false;
button1.Enabled = true;
button2.Enabled = true;
dwCode = 0; //控制码
pBuffIn1 = Convert.ToUInt32(label9.Text.Replace(",", "").Replace(" Hz", "")); //扫描开始频率
pBuffIn1 = Convert.ToUInt32(label10.Text.Replace(",", "").Replace(" Hz", ""));//步进
//pBuffIn1 = (uint)(keySwitch4.SwichValue); //AD转换增加延时
pBuffIn1 = (uint)(keySwitch7.SwichValue); //AD转换选择通道号(ch0通道用于电池电压检测)
}
}
#region 扫频预置
/// <summary>
/// 频率预置函数
/// </summary>
private void settings()
{
UInt64 freq = f1;
if (keySwitch6.SwichValue != 10)
{
label24.Text = String.Format("{0:N}", freq * (100 - f2) / 100).Replace(".00", " Hz");
label26.Text = String.Format("{0:N}", freq * 2 * f2 / 31000).Replace(".00", " Hz");
label28.Text = String.Format("{0:N}", freq * (100 + f2) / 100).Replace(".00", " Hz");
}
else
{
label24.Text = String.Format("{0:N}", freq * (1000 - f2) / 1000).Replace(".00", " Hz");
label26.Text = String.Format("{0:N}", freq * 2 * f2 / 310000).Replace(".00", " Hz");
label28.Text = String.Format("{0:N}", freq * (1000 + f2) / 1000).Replace(".00", " Hz");
}
}
/// <summary>
/// 扫频频率预置
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void keySwitch5_MouseDown(object sender, MouseEventArgs e)
{
if (keySwitch5.SwichValue == 10)
{
panel2.Visible = true;//打开数字按键盘
label20.Text = f1.ToString();
label20.Visible = true;
label21.Text = "Hz";
label22.Visible = false;
keySwitch6.Enabled = false;
button4.Visible = false;
}
else
{
panel2.Visible = false;//隐藏数字按键盘
keySwitch6.Enabled = true;
settings();
button4.Visible = true;
}
}
/// <summary>
/// 扫频范围预置
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void keySwitch6_MouseDown(object sender, MouseEventArgs e)
{
if (keySwitch6.SwichValue == 10)
{
panel2.Visible = true;//打开数字按键盘
label22.Text = f2.ToString();
label22.Visible = true;
label21.Text = "‰";
label20.Visible = false;
keySwitch5.Enabled = false;
button4.Visible = false;
}
else
{
panel2.Visible = false ;//隐藏数字按键盘
keySwitch5.Enabled = true;
settings();
button4.Visible = true;
}
}
/// <summary>
/// 预置置入
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button4_Click(object sender, EventArgs e)
{
label9.Text = label24.Text;
label10.Text = label26.Text;
label11.Text = label28.Text;
if (keySwitch5.SwichValue != 10)
label13.Text = keySwitch5.SwichText; //预置扫描中心频率显示
else
{
string s1 = "0";
string s2 = "0";
Freq_Format(Convert.ToInt32(label20.Text.Replace(",", "")), out s1, out s2);//手动扫描中心频率显示
label13.Text = s1+s2;
}
}
#endregion
待续
#region 数字小键盘
/// <summary>
/// 确认
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button15_Click(object sender, EventArgs e)
{
if (label21.Text == "Hz")
if (label20.Text != "") { f1 = Convert.ToUInt32(label20.Text); }
else
{
MessageBox.Show("频率预置不能为空");
return;
}
else
if (label22.Text != "") { f2 = Convert.ToUInt32(label22.Text); }
else
{
MessageBox.Show("频率范围预置不能为空");
return;
}
settings();
keySwitch5.Enabled = true;
keySwitch6.Enabled = true;
panel2.Visible = false;
button4.Visible = true;
}
/// <summary>
/// 删除
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button14_Click(object sender, EventArgs e)
{
int data = 0;
if (label21.Text == "Hz")
{
data=label20.Text.Length;
if (data != 0)
label20.Text = label20.Text.Remove(data - 1, 1);
}
else
{
data = label22.Text.Length;
if (data != 0)
label22.Text = label22.Text.Remove(data - 1, 1);
}
}
/// <summary>
/// 数字键盘处理函数
/// </summary>
/// <param name="digit"></param>
private void keyboard(stringdigit)
{
uint data = 0;
if (label21.Text == "Hz") //频率处理
{
if (label20.Text == "")
data = Convert.ToUInt32(digit);
else
data = Convert.ToUInt32(label20.Text) * 10 + Convert.ToUInt32(digit);
if (data < 40000000) //频率设置限幅
label20.Text += digit;
else
MessageBox.Show("频率预置超过40MHz");
}
else //%处理
{
if (label22.Text == "")
data = Convert.ToUInt32(digit);
else
data = Convert.ToUInt32(label22.Text) * 10 + Convert.ToUInt32(digit);
if (data < 1000) //频率范围‰设置限幅
label22.Text += digit;
else
MessageBox.Show("扫频范围预置超过1000‰");
}
}
/// <summary>
/// 数字键盘0-9事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button16_Click(object sender, EventArgs e)
{
keyboard("0");
}
private void button5_Click(object sender, EventArgs e)
{
keyboard("1");
}
private void button6_Click(object sender, EventArgs e)
{
keyboard("2");
}
private void button7_Click(object sender, EventArgs e)
{
keyboard("3");
}
private void button8_Click(object sender, EventArgs e)
{
keyboard("4");
}
private void button10_Click(object sender, EventArgs e)
{
keyboard("5");
}
private void button9_Click(object sender, EventArgs e)
{
keyboard("6");
}
private void button11_Click(object sender, EventArgs e)
{
keyboard("7");
}
private void button13_Click(object sender, EventArgs e)
{
keyboard("8");
}
private void button12_Click(object sender, EventArgs e)
{
keyboard("9");
}
#endregion
private void pictureBox1_Click(object sender, EventArgs e)
{
if (loop2 == false) { loop2 = true; } //显示带宽标记
else { loop2 = false; }
}
/// <summary>
/// 十字线
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
int x = e.X;//获取鼠标的竖直坐标，并将十字星焦点向左上方偏移1个像数
int y = 0;
if (e.X < 310)
y = Convert.ToInt32(pBufOut1 * 216 / 930); //横线位置(跟踪曲线的高度=3*1023/3.3v)
else
y = Convert.ToInt32(pBufOut1 * 216 / 930);
label18.Left = x + 22; //十字线竖线
label19.Top = 20 + (216 - y); //十字线横线
///刻度
if (x < 16) { label31.Left = 23; } //16=32/2
else if (x > 294) { label31.Left = 300; } //294=310-32/2
else { label31.Left = x + 22-16; }
if (y < 6) { label32.Top = 224; }
else if (y > 210) { label32.Top = 20; } //210=216-12/2
else { label32.Top = 14 + (216 - y); }
///刻度值
string s1 = "0";
string s2 = "0";
int b1 = Convert.ToInt32(label9.Text.Replace(",", "").Replace(" Hz", "")); //开始频率
int b2 = Convert.ToInt32(label10.Text.Replace(",", "").Replace(" Hz", ""));//步进
int f = b1 + e.X * b2; //频率
Freq_Format(f, out s1, out s2);
label31.Text = String.Format("{0:0}",s1);
label15.Text = "(" + s2 + ")";
label32.Text = String.Format("{0:0.00}", 3.0 * y / 216);
//显示十字线
label18.Visible = true;
label19.Visible = true;
label31.Visible = true;
label32.Visible = true;
if (checkBox2.Checked == false)//勾选十字线光标常量
{
timer1.Interval = 3000; //设置自动关闭十字线光标时间
timer1.Enabled = true;
}
}
/// <summary>
/// 隐藏十字线
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timer1_Tick(object sender, EventArgs e)
{
label18.Visible = false;
label19.Visible = false;
label31.Visible = false;
label32.Visible = false;
timer1.Enabled = false;
}
/// <summary>
/// 带宽单选
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void checkBox1_Click(object sender, EventArgs e)
{
this.Focus();
}
/// <summary>
/// 光标单选
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void checkBox2_Click(object sender, EventArgs e)
{
this.Focus();
if (checkBox2.Checked == true) //显示十字线光标
{
label18.Visible = true;
label19.Visible = true;
label31.Visible = true;
label32.Visible = true;
timer1.Enabled = false;
}
else //隐藏十字线光标
{
label18.Visible = false;
label19.Visible = false;
label31.Visible = false;
label32.Visible = false;
}
}
/// <summary>
/// 采样速度单选
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void checkBox3_Click(object sender, EventArgs e)
{
this.Focus();
pBuffIn1 = (uint)(checkBox3.Checked ? 2 : 1);//显示速度快1，慢2
}
private void button17_Click(object sender, EventArgs e)
{
Process.Start("\\ResidentFlash\\扫频仪\\扫频仪使用说明.txt", "");
}
}
}
完！
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