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上位机软件动态获取计算机COM口
应用背景
通过MFC6.0生成一个单文档程序,然后新建一个对话框并生成一个新类;在对话框中添加两个组合框控件。在生成的新类上右击增加windows消息WM_INITDIALOG生成处理函数,函数内容见“关键技术描述”。函数体中的index和baud均为int型,可设为全局变量。
关键技术BOOL CComDlg::OnInitDialog()
{
CDialog::OnInitDialog();
((CComboBox *)GetDlgItem(IDC_COMBO2))->AddString("4800");
((CComboBox *)GetDlgItem(IDC_COMBO2))->AddString("9600");
((CComboBox *)GetDlgItem(IDC_COMBO2))->AddString("38400");
((CComboBox *)GetDlgItem(IDC_COMBO2))->AddString("115200");
((CComboBox *)GetDlgItem(IDC_COMBO2))->SetCurSel(0+baud);
long lReg;
HKEY hKey;
DWORD MaxValueLength;
- 2022-03-14 01:15:16下载
- 积分:1
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如何用示波器观察眼图_english.zip
英文,介绍如何用示波器观察眼图...
如何用示波器观察眼图_english.zip
英文,介绍如何用示波器观察眼图-observe how oscilloscope eye diagram _english.zip English, how to use observation oscilloscope eye diagram
- 2023-04-10 05:35:03下载
- 积分:1
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a matlab simulation of lms
lms算法的matlab仿真,LMS自适应滤波器性能分析-a matlab simulation of lms
- 2022-03-04 17:12:00下载
- 积分:1
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微软亚洲研究院论文:Bluetooth中基于MAC调度德QoS支持策略
微软亚洲研究院论文:Bluetooth中基于MAC调度德QoS支持策略-Microsoft Asia Research Institute Papers : Bluetooth-based MAC QoS scheduling strategies to support Germany
- 2022-07-03 04:25:56下载
- 积分:1
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right fading channel simulation. On the Matlab, and it is useful
对衰落信道的仿真。在matlab上实现,有使用价值-right fading channel simulation. On the Matlab, and it is useful
- 2022-03-21 15:30:30下载
- 积分:1
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IC card reader procedures, straightforward, practical, reference value
IC卡读写程序,简单明了,实用性强,有参考价值-IC card reader procedures, straightforward, practical, reference value
- 2022-04-20 20:29:40下载
- 积分:1
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通信原理实验
数字信号2ask2psk2fsk调制与解调
通信原理实验
数字信号2ask2psk2fsk调制与解调-Communication Theory Digital Signal 2ask2psk2fsk experimental modulation and demodulation
- 2022-03-06 21:51:56下载
- 积分:1
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Version number header file for simple OpenH323 sample T.38 transmitter.
Version number header file for simple OpenH323 sample T.38 transmitter.
- 2022-01-26 07:19:38下载
- 积分:1
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OFDM MATLAB simulation program
OFDM MATLAB 仿真程序
OFDM MATLAB 仿真程序-OFDM MATLAB simulation program
- 2022-04-15 10:41:23下载
- 积分:1
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利用MATLAB的伪随机序列的产生
PN sequence generation using matlab
- 2023-02-11 04:40:03下载
- 积分:1