guobinglu的博客

原创 PX4 1.8 IIC初始化流程

原创 PX4 mag报错

PX4 mag报错

原创 git pull的代码不是最新的

git pull的代码不是最新的

原创 keil报错

ARM compiler 6.9 改成6.18 解决。

原创 Qt打包exe程序找不到文件

exe文件夹下执行命令，自动获取到文件

原创 gd32f DMA USART

#include "usart_debug.h"#include <stdio.h>//#define UART3_RX_LEN 256 /* 单个缓存区字节数 */#define UATR3_DATA_ADDRESS ((uint32_t)0x40004C04)uint8_t UART3_RX_BUF[UART3_RX_LEN * 2]; /* 双接收缓冲区 */uint8_t UART3_RX_STAT = 0; /*.

原创 取模运算

static uint16_t i=0; i = ( i+(1 + 20)) % (20+1) ; // 取模运算 i = 0~20循环

转载 stm32步进电机驱动S加速雷塞驱动器

#ifndef __MOTOR_X_H__#define __MOTOR_X_H__#include "stm32f10x.h"//#define OutCurrent_Off() GPIO_ResetBits(GPIOD,GPIO_Pin_2) //Cut off the out current//#define OutCurrent_On() GPIO_SetBits(GPIOD,GPIO_Pin_2) //#define OutCurrent_Off() ..

原创 MfgTool 更新内核

<!--* Copyright (C) 2012, Freescale Semiconductor, Inc. All Rights Reserved.* The CFG element contains a list of recognized usb devices.* DEV elements provide a name, class, vid and pid for each device.** Each LIST element contains a list of upda.

原创 STM32的内存管理

https://blog.youkuaiyun.com/lizhoufan/article/details/84842755

原创 UCOS II 的消息队列

#include "sys.h" #include "delay.h" #include "led.h"#include "includes.h"//USB相关#include "usb_lib.h"#include "hw_config.h"#include "usbio.h"#include "malloc.h" extern uint8_t USB_Received_Flag;//USB接收到数据标志位uint8_t Ins_Flag = 0;uint8_t In.

原创 opencv lib

opencv_imgproc249.libopencv_calib3d249.libopencv_contrib249.libopencv_core249.libopencv_features2d249.libopencv_flann249.libopencv_gpu249.libopencv_highgui249.libopencv_legacy249.libopencv_ml249.libopencv_nonfree249.libopencv_objdetect249.libo.

原创 单片机按键扫描

#include "key.h"#include "delay.h"#include "led1.h"#include "usbio.h"#include "led_show.h"enum CTRL_MODE control_mode;enum RUN_MODE running_mode;extern uint16_t fiber_number ;extern int8_t current_led_work;extern uint16_t time_level ; //msuint.

原创 Qt 语言切换

void Widget::on_lanageCoBox_currentTextChanged(QString text){ if (text == QStringLiteral("简体中文")) { if (m_translator->load("widget_zh.qm")) { qApp->installTranslator(m_translator); ui.lanageCoBox->disconnect(this); ui.retranslate.

原创 gcc-linaro-4.9.4 交叉编译Qt5.6

QMAKE_CC = /usr/local/arm/gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-gccQMAKE_CXX = /usr/local/arm/gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-g++QMAKE_LINK = /usr/local/arm/gcc-linaro-4.9.

原创 STM32-DS2431

#define DS2431_GPIO GPIOB#define DS2431_GPIO_Pin GPIO_Pin_12#define DS2431_Write_1() GPIO_SetBits(GPIOB,GPIO_Pin_12)#define DS2431_Write_0() GPIO_ResetBits(GPIOB,GPIO_Pin_12)#define DS2431_ReadBit() GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_12).

原创 STM32-FM25CL64

//25CL04 Parameters#define FLASH_WREN 0x06#define FLASH_WRDI 0x04#define FLASH_RDSR 0x05#define FLASH_WRSR 0x01#define FLASH_READ 0x03// 0x0B#define FLASH_WRITE 0x02// 0x0A#define FLASH_BASE_ADDR 0x00#define FLASH_PARA_ADDR 0x02.

原创 开发板ping 笔记本，虚拟机

原创 QPushButton 图标加文字

QPushButton{ /*按钮左图标右文字*/ background-image:url(:/images/gobal); background-repeat: norepeat; background-position: left ; background-color: rgb(59, 154, 218); border: none; ...

原创 主题

/** The MIT License (MIT)** Copyright : http://blog.youkuaiyun.com/liang19890820** Author : 一去丶二三里** Date : 2016/07/22** Description : 黑色炫酷**/ /**********子界面背景**********/QWidget#customWidget ...

转载 QT判断界面当前点击的按钮和当前鼠标坐标

1.QObject::sender( ) 返回发送信号的对象的指针，返回类型为QObject* 。可使用qobject_cast动态类型转换成对应的发送信息的对象（对象类的基类中需要有QObject）。QObject::objectName( ) 返回对象的名称（QString）1 QPushButton*btn = qobject_cast<QPushButton*>(se...

原创 OpenGLWindow

#pragma once#include "OpenGL.h" #include <QtGui/QWindow>#include <QtGui/QOpenGLFunctions>QT_BEGIN_NAMESPACEclass QPainter;class QOpenGLContext;class QOpenGLPaintDevice;QT_END_NAM...

原创 QT如果是程序副本则程序直接退出

#include "widget.h"#include <QtWidgets/QApplication>#include <QTranslator>#include "global.h"#include <QMetaType>Q_DECLARE_METATYPE(VARIANT);int _tmain(int argc, char *argv[])...

原创 调出硬盘上固定位置ini文件数据

void Widget::InitSetupListfromini() { //调出硬盘上固定位置ini文件数据到当前Savelist结构中 //这是一段获得程序当前目录的一段代码 TCHAR FilePath[255];//获取当前进程已加载模块的文件的完整路径 GetModuleFileName(NULL, FilePath, 255);...

原创 三层2

namespace ExecuteReader.model{ public class Customer { public long Id { get; set; } public string Name { get; set; } public DateTime? Birthday { get; set; } pu

原创 三层

class StudentDAL { public static int GetCount() { return (int)SqlHelper.ExecuteScalary("select count(*) from T_Student "); } public static

原创 DBNull的问题

private void Button_Click(object sender, RoutedEventArgs e) { //数据库中null表示不知道 //需求，如果没有输入姓名则姓名说明不知道。应该为null string name = txtName.Text; string

原创 SqlbulkCopy

public partial class TelSearchWindow : Window { public TelSearchWindow() { InitializeComponent(); } private static string connStr = ConfigurationManage

原创 导入手机归属地

/// /// TelSearchWindow.xaml 的交互逻辑 /// public partial class TelSearchWindow : Window { public TelSearchWindow() { InitializeComponent(); } private static string connStr = ConfigurationManager.Connecti

原创 向数据库导入数据

OpenFileDialog Ofd = new OpenFileDialog(); Ofd.Filter = "文本文件|*.txt"; if (Ofd.ShowDialog () !=true ) { return; } string file

原创 登陆案例

public partial class LoginWindow : Window { public LoginWindow() { InitializeComponent(); } private void btnLogin_Click(object sender, RoutedEventArgs

原创 SqlHelper

using System;using System.Collections.Generic;using System.Configuration;using System.Data;using System.Data.SqlClient;using System.Linq;using System.Text;using System.Threading.Tasks;namespa

原创 配置文件

string connStr = ConfigurationManager.ConnectionStrings["adConnStr"].ConnectionString ;            //项目根目录添加一个“应用程序配置文件”，名字叫App.config            //App.config加节点，给add起一个name            //项目添加对Sy

原创 dataset

using (SqlConnection conn = new SqlConnection("Data Source=. ; Initial Catalog=MyTest;User ID = sa; Password = lgb314285lgb "))            {                conn.Open();                using (Sql

原创 ADO.NET

//IDsposible            //using(类型 d = new)            //{ ................}            //SqlConnection为建立数据库连接的对象            //using (SqlConnection conn = new SqlConnection(

原创 虚方法

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 虚方法{    class class1    {        ///虚方法8-4  *********