exp_sensor_complete.tar.gz_QT sensor_QT 传感器_Qt 串口_Qt串口读取_exp_sen

#include "sensor.h" #include "ui_sensor.h" //#include "serial.h" #include <QtGui> #include <QByteArray> #include <iostream> #include <stdio.h> #include <stdlib.h> #include <string.h> const char *COM = "/dev/ttyS0" ; Sensor::Sensor(QWidget *parent) : QWidget(parent), ui(new Ui::Sensor) { ui->setupUi(this); threadA = new Thread(); threadA->sensor_ui = ui; } Sensor::~Sensor() { delete ui; //m_tty.tty_end(sel_fd); } void Sensor::on_PB_Exit_clicked() { threadA->stop(); } void Sensor::on_PB_GetState_clicked() { if(!threadA->stopped) threadA->start(); threadA->stopped = false; } Thread::Thread() { stopped = false; m_tty = tty(); sel_fd = m_tty.tty_open(COM); } void Thread::run() { if(sel_fd>0) { printf("****Serial port is open,ready to get sensor state....\n"); } else { printf("****Serial port is closed,please open it first!\n"); sel_fd = m_tty.tty_open(COM); } while(!stopped) { GetSensorState(); sleep(1); } stopped = false; } void Thread::stop() { stopped = true; m_tty.tty_end(sel_fd); } void Thread::GetSensorState() { int i,wlen,rlen; char command='\0'; char txbuff[6]; char revbuff[7]; QByteArray rev = " "; for(command=0x10;command<=0x20;command++) { //printf("\n command:%#x",command); if( (command == 0x1b)| (command == 0x1c) ) continue; memset(txbuff,'\0',sizeof(txbuff)); txbuff[0]=0xAA; txbuff[1]=0xFF; txbuff[2]=command; txbuff[3]=0xFF; txbuff[3]= txbuff[3]^txbuff[2]; txbuff[4]=0xFF; txbuff[5]='\0'; fflush(stdout); wlen = m_tty.tty_write(sel_fd,txbuff,6); fflush(stdout); memset(revbuff,'\0',sizeof(revbuff)); rlen = m_tty.tty_read(sel_fd,revbuff,7); fflush(stdout); if(rlen < 0) { printf("read serial error!\n"); rlen = m_tty.tty_read(sel_fd,revbuff,7); } rev = " "; for(i=2;i<4;i++) rev.append(revbuff[i]); char str[3]= {'\0'}; char value = '\0'; char *temp = rev.data(); i=0; for(i=0;i<3;i++){ str[i]= *temp; temp++; } value = (str[1] << 4)|str[2]; char d[2] = {'\0'}; sprintf(d,"%x",value); for(i=2;i<5;i++) { printf(" %x",revbuff[i]); } revbuff[6]=0; for(i=2;i<4;i++) { revbuff[5]=revbuff[5]^revbuff[i]; } switch(txbuff[2]) { case 0x10: sensor_ui->LE_Temperature->setText(QString(d)); break; case 0x11: if(revbuff[2] == 0) sensor_ui->RB_Sound->setChecked(true); else sensor_ui->RB_NoSound->setChecked(true); break; case 0x12: if(revbuff[2] == 0) sensor_ui->RB_Touch->setChecked(true); else sensor_ui->RB_UnTouch->setChecked(true); break; case 0x13: sensor_ui->LE_V_Ntc->setText(QString(d)); break; case 0x14: sensor_ui->LE_V_Cds->setText(QString(d)); break; case 0x15: sensor_ui->LE_V_Diff->setText(QString(d)); break; case 0x16: sensor_ui->LE_V_Hls->setText(QString(d)); break; case 0x17: if(revbuff[2] == 1) sensor_ui->RB_Shake->setChecked(true); else sensor_ui->RB_NoShake->setChecked(true); break; case 0x18: if(revbuff[3] == 1) sensor_ui->RB_Cc->setChecked(true); else sensor_ui->RB_NoCc->setChecked(true); break; case 0x19: if(revbuff[3] == 1) sensor_ui->RB_Rshw_Signal->setChecked(true); else sensor_ui->RB_Rshw_NoSignal->setChecked(true); break; case 0x1A: if(revbuff[3] == 1) sensor_ui->RB_Gas_Signal->setChecked(true); else sensor_ui->RB_Gas_NoSignal->setChecked(true); break; case 0x1D: sensor_ui->LE_Humidity->setText(QString(d)); break; case 0x1E: if(revbuff[3]== 1) sensor_ui->RB_Cc_Change->setChecked(true); else sensor_ui->RB_Cc_NoChange->setChecked(true); break; case 0x1F: sensor_ui->LE_VoltageIn->setText(QString(d)); break; case 0x20: sensor_ui->LE_CurrentIn->setText(QString(d)); break; } } }