Mario Simaremare / Mbed 2 deprecated g3_waterplay

Salinity and temperature sensors are implemented in classes.

Dependencies:   mbed

Ping.cpp@15:e112bab9aa2f, 2016-06-28 (annotated)

Committer:
mariosimaremare
Date:
Tue Jun 28 12:30:40 2016 +0000
Revision:
15:e112bab9aa2f
Parent:
7:46e65aeb4df2 
Using new boxes.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mariosimaremare 7:46e65aeb4df2 1 #include "Ping.h"
mariosimaremare 7:46e65aeb4df2 2
mariosimaremare 7:46e65aeb4df2 3 #include "mbed.h"
mariosimaremare 7:46e65aeb4df2 4
mariosimaremare 7:46e65aeb4df2 5 Ping::Ping(PinName PING_PIN)
mariosimaremare 7:46e65aeb4df2 6 : _event(PING_PIN)
mariosimaremare 7:46e65aeb4df2 7 , _cmd(PING_PIN)
mariosimaremare 7:46e65aeb4df2 8 , _timer()
mariosimaremare 7:46e65aeb4df2 9 {
mariosimaremare 7:46e65aeb4df2 10 _event.rise(this,&Ping::_Starts);
mariosimaremare 7:46e65aeb4df2 11 _event.fall(this,&Ping::_Stops);
mariosimaremare 7:46e65aeb4df2 12 _SPEED_OF_SOUND_CM = 33;
mariosimaremare 7:46e65aeb4df2 13 }
mariosimaremare 7:46e65aeb4df2 14
mariosimaremare 7:46e65aeb4df2 15 void Ping::_Starts(void)
mariosimaremare 7:46e65aeb4df2 16 {
mariosimaremare 7:46e65aeb4df2 17 _Valid = false; // start the timere, and invalidate the current time.
mariosimaremare 7:46e65aeb4df2 18 _Busy = true;
mariosimaremare 7:46e65aeb4df2 19 _timer.start();
mariosimaremare 7:46e65aeb4df2 20 _Time = _timer.read_us();
mariosimaremare 7:46e65aeb4df2 21 }
mariosimaremare 7:46e65aeb4df2 22
mariosimaremare 7:46e65aeb4df2 23 void Ping::_Stops(void)
mariosimaremare 7:46e65aeb4df2 24 {
mariosimaremare 7:46e65aeb4df2 25 _Valid = true; // When it stops, update the time
mariosimaremare 7:46e65aeb4df2 26 _Busy = false;
mariosimaremare 7:46e65aeb4df2 27 _Time = _timer.read_us()-_Time;
mariosimaremare 7:46e65aeb4df2 28 }
mariosimaremare 7:46e65aeb4df2 29
mariosimaremare 7:46e65aeb4df2 30 void Ping::Send()
mariosimaremare 7:46e65aeb4df2 31 {
mariosimaremare 7:46e65aeb4df2 32
mariosimaremare 7:46e65aeb4df2 33 _cmd.output();
mariosimaremare 7:46e65aeb4df2 34 _cmd.write(0); // see the ping documentation http://www.parallax.com/Portals/0/Downloads/docs/prod/acc/28015-PING-v1.6.pdf
mariosimaremare 7:46e65aeb4df2 35 wait_us(3);
mariosimaremare 7:46e65aeb4df2 36 _cmd.write(1);
mariosimaremare 7:46e65aeb4df2 37 wait_us(3);
mariosimaremare 7:46e65aeb4df2 38 _cmd.write(0);
mariosimaremare 7:46e65aeb4df2 39 _cmd.input();
mariosimaremare 7:46e65aeb4df2 40
mariosimaremare 7:46e65aeb4df2 41 }
mariosimaremare 7:46e65aeb4df2 42 void Ping::Set_Speed_of_Sound(int SoS_ms )
mariosimaremare 7:46e65aeb4df2 43 {
mariosimaremare 7:46e65aeb4df2 44 _SPEED_OF_SOUND_CM = SoS_ms;
mariosimaremare 7:46e65aeb4df2 45 }
mariosimaremare 7:46e65aeb4df2 46
mariosimaremare 7:46e65aeb4df2 47 int Ping::Read_cm()
mariosimaremare 7:46e65aeb4df2 48 // -1 means not valid.
mariosimaremare 7:46e65aeb4df2 49 {
mariosimaremare 7:46e65aeb4df2 50 if(_Valid && ~_Busy)
mariosimaremare 7:46e65aeb4df2 51 return ((_Time*_SPEED_OF_SOUND_CM)/1000);
mariosimaremare 7:46e65aeb4df2 52 else
mariosimaremare 7:46e65aeb4df2 53 return -1;
mariosimaremare 7:46e65aeb4df2 54 }