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Dependents: CatPot_SensorRight CatPotI2CSlavetest CatPotI2CSlavetest CatPot_SensorRight_F ... more
Fork of
Ping
by 
Joel Rosiene
Revision 2:6be59631152a, committed 2014-12-06
- Comitter:
- ryuna
- Date:
- Sat Dec 06 07:40:50 2014 +0000
- Parent:
- 1:6996f66161d7
- Commit message:
- using catpot . rakuraku;
Changed in this revision
| Ping.cpp | Show annotated file Show diff for this revision Revisions of this file |
| Ping.h | Show annotated file Show diff for this revision Revisions of this file |
--- a/Ping.cpp Sat Mar 12 22:32:06 2011 +0000
+++ b/Ping.cpp Sat Dec 06 07:40:50 2014 +0000
@@ -2,9 +2,9 @@
#include "mbed.h"
-Ping::Ping(PinName PING_PIN)
- : _event(PING_PIN)
- , _cmd(PING_PIN)
+Ping::Ping(PinName Trig_PIN, PinName Echo_PIN)
+ : _event(Echo_PIN)
+ , _trig(Trig_PIN),_echo(Echo_PIN)
, _timer()
{
_event.rise(this,&Ping::_Starts);
@@ -30,13 +30,11 @@
void Ping::Send()
{
- _cmd.output();
- _cmd.write(0); // see the ping documentation http://www.parallax.com/Portals/0/Downloads/docs/prod/acc/28015-PING-v1.6.pdf
+ _trig.write(0); // see the ping documentation http://www.parallax.com/Portals/0/Downloads/docs/prod/acc/28015-PING-v1.6.pdf
wait_us(3);
- _cmd.write(1);
+ _trig.write(1);
wait_us(3);
- _cmd.write(0);
- _cmd.input();
+ _trig.write(0);
}
void Ping::Set_Speed_of_Sound(int SoS_ms )
@@ -48,7 +46,7 @@
// -1 means not valid.
{
if(_Valid && ~_Busy)
- return ((_Time*_SPEED_OF_SOUND_CM)/1000);
+ return ((_Time*_SPEED_OF_SOUND_CM)/1000/2);
else
return -1;
}
\ No newline at end of file
--- a/Ping.h Sat Mar 12 22:32:06 2011 +0000
+++ b/Ping.h Sat Dec 06 07:40:50 2014 +0000
@@ -53,7 +53,7 @@
*
* @param PING_PIN InterruptIn pin to connect to
*/
- Ping(PinName PING_PIN);
+ Ping(PinName Trig_PIN,PinName Echo_PIN);
/** Sends a Ping
*
@@ -76,7 +76,8 @@
protected:
InterruptIn _event;
- DigitalInOut _cmd;
+ DigitalOut _trig;
+ DigitalIn _echo;
Timer _timer;
bool _Valid;