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標題: 有關SRF05及C語言程式 [打印本頁]

作者: kkcbkx10 時間: 2011-4-2 13:43
標題: 有關SRF05及C語言程式

其實最近也在摸有關超音波的模組
SRF05
http://www.youtube.com/watch?v=VDAoDyV5PmU這是我在網路上看到的
如果我想做成這樣!程式需要怎麼寫?可以給個方向嗎?還有我是用C語言!想用AT89S51單晶片來驅動這模組
我有找到相關程式可是我看不大懂
我把它貼在網路上(引用至某大生專題)
http://tw.myblog.yahoo.com/b1ob2003/
希望各位大大們能教我一下...
感謝@@

作者: forgive 時間: 2011-7-4 00:56
/*
Arduino example for SRF05
Using a single pin for both trigger and echo.
*/

int duration;                         // Stores duratiuon of pulse in
int distance;                         // Stores distance
int srfPin = 2;                      // Pin for SRF05

void setup(){
Serial.begin(9600);
}

void loop(){
  pinMode(srfPin, OUTPUT);
  digitalWrite(srfPin, LOW);          // Make sure pin is low before sending a short high to trigger ranging
  delayMicroseconds(2);
  digitalWrite(srfPin, HIGH);       // Send a short 10 microsecond high burst on pin to start ranging
  delayMicroseconds(10);
  digitalWrite(srfPin, LOW);          // Send pin low again before waiting for pulse back in
  pinMode(srfPin, INPUT);
  duration = pulseIn(srfPin, HIGH); // Reads echo pulse in from SRF05 in micro seconds
  distance = duration/58;             // Dividing this by 58 gives us a distance in cm
  Serial.println(distance);
  delay(50);                         // Wait before looping to do it again
}

以上來自：
http://www.robot-electronics.co.uk/acatalog/examples.html
具體可以在裡面看看有沒有C51的軟體代碼

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