Jamie Pierce / SRF05_fix

Library for the SRF05 Ultrasonic Rangefinder

Dependencies:   RangeFinder

Fork of SRF05 by Simon Ford

Files at this revision

API Documentation at this revision

Revision 1:f7420569d67d, committed 2018-03-08

Comitter:
15062200
Date:
Thu Mar 08 17:12:19 2018 +0000
Parent:
0:e758665e072c
Commit message:
fixed srf05

Changed in this revision

RangeFinder.lib Show annotated file Show diff for this revision Revisions of this file
SRF05.cpp Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RangeFinder.lib	Thu Mar 08 17:12:19 2018 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/NickRyder/code/RangeFinder/#cf496fb70317

--- a/SRF05.cpp	Fri Nov 19 22:34:56 2010 +0000
+++ b/SRF05.cpp	Thu Mar 08 17:12:19 2018 +0000
@@ -27,15 +27,16 @@
     : _trigger(trigger), _echo(echo) {    
         
     // Attach interrupts
-    _echo.rise(this, &SRF05::_rising);
-    _echo.fall(this, &SRF05::_falling);
-    _ticker.attach(this, &SRF05::_startRange, 0.1);     
+    _echo.rise(callback(this,&SRF05::_rising));
+    _echo.fall(callback(this,&SRF05::_falling));
+    _ticker.attach(callback(this,&SRF05::_startRange), 0.1);
 }
   
 void SRF05::_startRange() {
     // send a trigger pulse, 20uS long
     _trigger = 1;
-    wait (0.000002);
+    //wait (0.000002);
+    wait_us(40);
     _trigger = 0;
 }
 
@@ -49,6 +50,7 @@
 void SRF05::_falling(void) {
     _timer.stop();
     _dist = _timer.read_us()/58.0;
+    _dist=99.0;
 }
 
 float SRF05::read(void) {