a

Dependencies:   TextLCD mbed

Revision:
1:ed00e9c4ba6e
Parent:
0:62ac378df546
diff -r 62ac378df546 -r ed00e9c4ba6e ultrasonic.cpp
--- a/ultrasonic.cpp	Fri Apr 19 09:14:08 2013 +0000
+++ b/ultrasonic.cpp	Tue Apr 30 09:06:57 2013 +0000
@@ -20,7 +20,7 @@
         DigitalIn PingPin(ultrasonic_pin[i]);
         timer2.reset();
         while(PingPin == 0){
-            if(timer2.read_us() > 1000){   //1ms以上応答なし
+            if(timer2.read_us() > 1500){   //1.5ms以上応答なし
                 ultrasonicValue[i] =  PING_ERR;
                 flag = 1;
                 break;