STM32CubeMX实现STM32 USBHID双向64字节通信(Qt上位机部分)附源代码
1.软件界面
2.软件功能
- 自动搜寻usbhid设备并添加到下拉列表中
- 64字节USBHID的发送功能
- 10ms一次的定时查询有无新的USBHID消息，并显示出来
3.程序结构
4.程序代码
Qt_USB-HID_timer.pro
#-------------------------------------------------
#
# Project created by QtCreator 2020-02-26T15:36:22
#
#-------------------------------------------------
QT += core gui
QT += serialport
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = Qt_USB-HID_demo
TEMPLATE = app
# The following define makes your compiler emit warnings if you use
# any feature of Qt which as been marked as deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS
# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
SOURCES += \
main.cpp \
mainwindow.cpp
HEADERS += \
mainwindow.h
FORMS += \
mainwindow.ui
LIBS += -L$$_PRO_FILE_PWD_/ -lhidapi
mainwindow.h
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include main.cpp
#include "mainwindow.h"
#include mainwindow.cpp
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include
return ret;
}
/*
* @breif 将字节序列转换为对应的16进制字符串
*/
QString MainWindow::ByteArrayToHexString(QByteArray data){
QString ret(data.toHex().toUpper());
int len = ret.length()/2;
qDebug()<<len;
for(int i=1;i<len;i++)
{
//qDebug()<
ret.insert(2*i+i-1," ");
}
return ret;
}
void MainWindow::Receive_USBHID_message()
{
if(USBHID_Rev_Enable)
{
int res = hid_read_timeout(this->handle, usb_data, 64, 1);
if(res>0)
{
QDateTime time = QDateTime::currentDateTime();
QString time_qstr = time.toString("yyyy-MM-dd hh:mm:ss");
QString qstr = "接收时间:"+time_qstr+"\r\n----------------------\r\n";
for(int i=0; i<64; i++)
{
qstr += QString(QByteArray((char *)&usb_data[i],1).toHex()).toUpper();
qstr += " ";
}
qstr = qstr + "\r\n\r\n" + ui->textEdit_receive->toPlainText() ;
ui->textEdit_receive->setText(qstr);
statusBar()->showMessage("USBHID收到新数据！ "+time_qstr,3000);
}
}
}
void MainWindow::on_pushButton_HIDSend_clicked()
{
unsigned char usb_data[65];
char s[100];
//获取界面上的数据并转换成utf8格式的字节流
QString sendMsg = ui->textEdit_send->toPlainText();
QByteArray data = sendMsg.toLatin1();
//如果以16进制发送
if(ui->checkBox_HexSend->isChecked() == true)
{
data = HexStringToByteArray(sendMsg);
}
for(int i=1; i<65; i++)
{
if(i<data.length()+1)
usb_data[i]=data.data()[i-1];
else
usb_data[i]=0xff;
}
int res = hid_write(this->handle, usb_data, 65); //至少写入64字节，协议64字节，第一个字节作废
qDebug("写入结果res = %d", res);
if(-1 == res)
{
qDebug("USBHID写入字节错误！");
statusBar()->showMessage("USBHID写入字节错误！",3000);
return;
}
else
{
qDebug("USBHID写入成功，实际写入了 %d 个字节！", res-1);
sprintf(s,"USBHID写入成功，实际写入了 %d 个字节！", res-1);
statusBar()->showMessage(QString(s),3000);
}
}
相关链接：
1.STM32CubeMX实现STM32 USBHID双向64字节通信(下位机部分)
2.STM32CubeMX实现STM32 USBHID双向64字节通信(下位机部分)源代码
3.Qt_USB-HID_timer 源代码