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작성자 master 작성일2018-06-05 17:21 조회7,317회 댓글0건
https://www.basic4mcu.com/bbs/board.php?bo_table=gac&wr_id=5617
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// MCU BASIC: https://www.basic4mcu.com// DateTime : 2018-06-05 오후 5:19:42// by Ok-Hyun Park//초음파 거리센서 URM37 코딩//#Editor: Zrh from DFRobot//#Data: 29.08.2014//#Product name: ultrasonic scanner//#Product SKU: SEN0001//#Version: 1.0//#Description://#The sketch for using the URM37 autonomous mode from DFRobot//#and writes the values to the serialport//#Connection://#Vcc (Arduino)->Pin 1 VCC(URM V4.0)//#GND (Arduino)->Pin 2 GND(URM V4.0)//#Pin 3 (Arduino)->Pin 4 ECHO(URM V4.0)//#Pin TX1(Arduino)->Pin 8 RXD(URM V4.0)//#Pin RX0(Arduino)->Pin 9 TXD(URM V4.0)//#Working Mode: autonomous mode.int URECHO=3; // PWM Output 0－25000US，Every 50US represent 1cmunsigned int x=0;uint8_t EnPwmCmd[4]={0x44,0x02,0xaa,0xf0}; // distance measure command//void setup(){Serial.begin(9600);AutonomousMode_Setup();}//void loop(){AutonomousMode();delay(100);}//void AutonomousMode_Setup(){ // PWM mode setup functionpinMode(URECHO,INPUT); // Sending Enable PWM mode commandfor(int i=0;i<4;i++)Serial.write(EnPwmCmd[i]);}//void AutonomousMode(){unsigned long DistanceMeasured=pulseIn(URECHO,LOW);if(DistanceMeasured>=45000){ // the reading is invalid.Serial.print("Invalid");}else{x=DistanceMeasured/50; // every 50us low level stands for 1cmSerial.print("Distance="); Serial.print(x); Serial.println("cm");if(x>180){ 흰색ON; 적색OFF; } // 흰색 점등else { 흰색OFF; 적색ON; } // 빨간색 점등}}
흰색과 적색 LED는 핀 설정하고 출력하는 코드를 추가하시고요
// MCU BASIC: https://www.basic4mcu.com// DateTime : 2018-06-05 오후 5:23:33// by Ok-Hyun Park//초음파 거리센서 URM37 코딩//#Editor: Zrh from DFRobot//#Data: 29.08.2014//#Product name: ultrasonic scanner//#Product SKU: SEN0001//#Version: 1.0//#Description://#The sketch for using the URM37 autonomous mode from DFRobot//#and writes the values to the serialport//#Connection://#Vcc (Arduino)->Pin 1 VCC(URM V4.0)//#GND (Arduino)->Pin 2 GND(URM V4.0)//#Pin 3 (Arduino)->Pin 4 ECHO(URM V4.0)//#Pin TX1(Arduino)->Pin 8 RXD(URM V4.0)//#Pin RX0(Arduino)->Pin 9 TXD(URM V4.0)//#Working Mode: autonomous mode.int URECHO=3; // PWM Output 0－25000US，Every 50US represent 1cmunsigned int x=0;uint8_t EnPwmCmd[4]={0x44,0x02,0xaa,0xf0}; // distance measure command//void setup(){Serial.begin(9600);AutonomousMode_Setup();}//void loop(){AutonomousMode();delay(100);}//void AutonomousMode_Setup(){ // PWM mode setup functionpinMode(URECHO,INPUT); // Sending Enable PWM mode commandfor(int i=0;i<4;i++)Serial.write(EnPwmCmd[i]);}//int flag=0;//void AutonomousMode(){unsigned long DistanceMeasured=pulseIn(URECHO,LOW);if(DistanceMeasured>=45000){ // the reading is invalid.Serial.print("Invalid");}else{x=DistanceMeasured/50; // every 50us low level stands for 1cmSerial.print("Distance="); Serial.print(x); Serial.println("cm");if(x>180){ flag=0; 흰색ON; } // 흰색 점등else{if(flag==0){ flag=1; 흰색OFF; 적색ON; delay(1000); 적색OFF; } // 빨간색 점등}}}
1초 점등을 1회만 하는 코드는 이렇게 작성하면 됩니다.
180cm 이하에서 1회만 적색1초 점등후 OFF
180cm 이상이 되면 flag 초기화
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