electronics-lab
mbed.hだけで超音波センサの制御できるかも
Dependencies: mbed
Revision 0:05cd466c355a, committed 2018-03-28
- Comitter:
- ponpoko1939
- Date:
- Wed Mar 28 10:08:10 2018 +0000
- Commit message:
- var1
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 05cd466c355a main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Mar 28 10:08:10 2018 +0000
@@ -0,0 +1,34 @@
+#include "mbed.h"
+
+DigitalOut TRIG(p7);
+DigitalIn ECHO(p8);
+Timer t; //Using timer0
+Serial pc(USBTX,USBRX);
+
+double duration,distance;
+
+int main() {
+ while(1){
+start:
+ while(ECHO == 0) {
+ TRIG = 1;
+ wait_us(10);
+ TRIG = 0;
+ wait_us(300);
+ t.start();
+ }
+ t.stop();
+
+ duration = t.read_us();
+
+ if(duration > 0){
+ duration = duration / 2;
+ distance = duration*340*100;
+ }
+ else {
+ pc.printf("error");
+ goto start;
+ }
+ pc.printf("Distance:%f\n",distance);
+ }
+}
diff -r 000000000000 -r 05cd466c355a mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Mar 28 10:08:10 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/994bdf8177cb \ No newline at end of file