INCTRC Information Sharing Test
大昔の超音波センサプログラム
Revision 0:f43a798a392d, committed 2018-07-14
- Comitter:
- yuron
- Date:
- Sat Jul 14 02:10:51 2018 +0000
- Commit message:
- ??????????????
Changed in this revision
diff -r 000000000000 -r f43a798a392d TextLCD.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Sat Jul 14 02:10:51 2018 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/simon/code/TextLCD/#308d188a2d3a
diff -r 000000000000 -r f43a798a392d main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Jul 14 02:10:51 2018 +0000
@@ -0,0 +1,45 @@
+/*
+ ちょうおんぱせんさHC-SR04をしよう
+ LCDにきょりをひょうじ
+ 30cmいかのきょりならばＬＥＤがひかる
+*/
+#include "mbed.h"
+#include "TextLCD.h"
+
+TextLCD lcd(D12, D11, D10, D9, D8, D7, TextLCD::LCD20x2); // rs, e, d4-d7
+DigitalOut trigger(D15);
+DigitalOut myled(LED1);
+DigitalIn echo(D14);
+int distance = 0;
+int correction = 0;
+Timer sonar;
+
+int main()
+{
+ sonar.reset();
+ while(1) {
+// trigger sonar to send a ping
+ trigger = 1;
+ sonar.reset();
+ wait_us(10.0);
+ trigger = 0;
+//wait for echo high
+ while (echo==0) {};
+//echo high, so start timer
+ sonar.start();
+//wait for echo low
+ while (echo==1) {};
+//stop timer and read value
+ sonar.stop();
+//subtract software overhead timer delay and scale to cm
+ distance = (sonar.read_us()-correction)/58.0;
+ if(distance <= 30){
+ myled = 1;
+ } else {
+ myled = 0;
+ }
+ lcd.printf("%d cm \n\r",distance);
+//wait so that any echo(s) return before sending another ping
+ wait(0.2);
+ }
+}
\ No newline at end of file
diff -r 000000000000 -r f43a798a392d mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Jul 14 02:10:51 2018 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/mbed_official/code/mbed/builds/093f2bd7b9eb \ No newline at end of file