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93 lines
2.3 KiB
93 lines
2.3 KiB
#include "deviceservice.h"
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#include <QtCore>
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#ifdef Q_OS_LINUX
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#include <wiringPi.h>
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#else
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#endif
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#define WIRING_PIN_LED 4 //GPIO.4
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#define WIRING_PIN_KEY 3 //GPIO.3
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#define Click_Overtime 50
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DeviceService::DeviceService(QObject *parent) : QObject(parent)
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{
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key.flag = None;
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key.lastState = KEY_Up;
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m_ledStatus = 0;
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m_keyStatus = 0;
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#ifdef Q_OS_LINUX
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wiringPiSetup();
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pinMode(WIRING_PIN_LED,OUTPUT);//LED输出模式 可选值：INPUT、OUTPUT、PWM_OUTPUT，GPIO_CLOCK
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pinMode(WIRING_PIN_KEY,INPUT); //KEY输入模式
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pullUpDnControl(WIRING_PIN_KEY,PUD_UP); //KEY设置上拉
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#else
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qDebug() << "wiringPiSetup()";
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qDebug() << "pinMode(WIRING_PIN_LED,OUTPUT)";
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qDebug() << "pinMode(WIRING_PIN_BTN,INPUT)";
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#endif
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timer1.setInterval(1000);
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timer1.start();
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connect(&timer1,&QTimer::timeout,[=](){
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m_ledStatus ^= 1;
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ledSet(m_ledStatus);
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});
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timer2.setInterval(50);
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timer2.start();
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connect(&timer2,&QTimer::timeout,[=](){
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// quint8 keyStatus = keyReadOnce();
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// if(keyStatus != m_keyStatus){
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// m_keyStatus = keyStatus;
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// qDebug() << "m_keyStatus " << m_keyStatus;
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// }
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key.flag = (KeyFlag)keyDetection();
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if(key.flag != None){
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if(key.flag == Click){
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emit keyClicked();
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}
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}
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});
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}
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void DeviceService::ledSet(int status)
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{
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#ifdef Q_OS_LINUX
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digitalWrite(WIRING_PIN_LED,status == 1 ? LOW : HIGH);//'HIGH'代表高电平，’LOW‘则为低电平
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#else
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qDebug() << "LED set: " << status;
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#endif
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}
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/**
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* @brief DeviceService::keyReadOnce
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* 按键按下返回0,按键弹起返回1
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* @return
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*/
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quint8 DeviceService::keyReadOnce()
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{
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#ifdef Q_OS_LINUX
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return digitalRead(WIRING_PIN_KEY);
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#else
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//qDebug() << "keyReadOnce()";
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return KEY_Up;
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#endif
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}
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quint8 DeviceService::keyDetection()
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{
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key.flag = None; //清空按键标志
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quint8 status = keyReadOnce();
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if ((status == KEY_Down) && (key.lastState == KEY_Up))
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{
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uint16_t i = Click_Overtime;
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while(i--);
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status = keyReadOnce();
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if(status == KEY_Down){
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key.flag = Click; //先确定按键标志为单击
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}
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}
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key.lastState = status;
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return key.flag;
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}
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