Team H - TVZ Seminar / Mbed 2 deprecated PURS_07

Purs ultrazvucni, lab 7

Dependencies:   mbed

Diff: main.cpp

Revision:
0:61479a2bb7b7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Dec 06 18:08:44 2018 +0000
@@ -0,0 +1,31 @@
+#include "mbed.h"
+InterruptIn echo(p10);     
+DigitalOut led4(LED4);
+DigitalOut trig(p9);
+Timer echot;
+Serial pc(USBTX, USBRX);
+int ttt;
+float range=0;
+
+void tr() {
+        echot.start();
+}
+
+void tf(){
+        echot.stop();        
+        }
+
+int main() {
+    echo.rise(&tr);
+    echo.fall(&tf);
+    while(1){
+        trig=1;
+        wait_us(10);
+        trig=0;
+        ttt=echot.read_us();
+        range=ttt/58.0;
+        pc.printf("%f\n",range);
+        echot.reset();
+        wait_ms(50);
+        }
+}
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