Saranya C
/
Ultrasonicsensor
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Fork of
hcsr04-test-1
by 
karan patel
Revision 2:74cfa9f8251d, committed 2018-03-29
- Comitter:
- saranyachitta
- Date:
- Thu Mar 29 18:40:24 2018 +0000
- Parent:
- 1:8711db3189d0
- Commit message:
- Obstacle avoidance using ultrasonic sensor
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Fri Mar 23 22:23:48 2018 +0000
+++ b/main.cpp Thu Mar 29 18:40:24 2018 +0000
@@ -1,7 +1,8 @@
#include "mbed.h"
#include "HCSR04.h"
- Serial pc(USBTX,USBRX); // Create a serial connection to pc through the mbed USB cable
+ Serial pc(USBTX,USBRX);
+ Serial device(PTC17,NC); // Create a serial connection to pc through the mbed USB cable
void dist(int distance)
{
@@ -14,6 +15,8 @@
int main()
{
+ pc.baud(115200);
+device.baud(115200);
wait_ms(4000);
int echoVal = sensor.echo_duration();
@@ -27,10 +30,18 @@
Green=1;
wait(.2);
}
- pc.printf("%d \n\r",a);
- wait_ms(50);
+ if(a > 1 and a <= 170)
+ {
+ device.printf("1");
+ pc.printf("Object Detected: Value = 0 \r\n");
+ wait(0.5);
}
-}
-
-
-
+ else
+ {
+ device.printf("0");
+ pc.printf("No object detected: Value = 1 \r\n");
+ wait(0.5);
+ }
+ wait_ms(1000);
+ }
+ }