HEPTA-Sat Training 2020 / Mbed 2 deprecated Lab7-sample_ultrasonic-sensor

for textbook v4.4

Dependencies:   mbed HCSR04

HC-SR04 program

Diff: main.cpp

Revision:
0:5f87b3c8e32a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Nov 06 18:12:17 2019 +0000
@@ -0,0 +1,14 @@
+#include "mbed.h"
+#include "hcsr04.h"
+Serial pc(USBTX, USBRX); 
+HCSR04  usensor(p21,p12);
+int dist;
+int main()
+{
+    while(1) {
+        usensor.start();
+        dist=usensor.get_dist_cm();
+        pc.printf("distance = %d [cm]\r\n",dist);
+        wait(1);
+    }
+}
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