Jonas Skalman / Mbed 2 deprecated SenseAirLP8

Reading SenseAir LP8 CO2 sensor over bluetooth low energy

Dependencies:   BLE_API mbed nRF51822

Files at this revision

API Documentation at this revision

Revision 4:320febe026ed, committed 2017-08-21

Comitter:
jony1401
Date:
Mon Aug 21 08:44:33 2017 +0000
Parent:
3:933dd59ad44d
Commit message:
bugfix

Changed in this revision

LP8.h Show annotated file Show diff for this revision Revisions of this file 
diff -r 933dd59ad44d -r 320febe026ed LP8.h
--- a/LP8.h	Fri Aug 18 18:20:41 2017 +0000
+++ b/LP8.h	Mon Aug 21 08:44:33 2017 +0000
@@ -233,6 +233,9 @@
 //read response from lp8  
     void Response( int bytesToRead ){
         int Count = 0;
+        
+        lp8Wait.start();    /* timeout timer if something goes wrong */
+        
         do {
             if(Device.readable()) {
                 response[Count] = Device.getc(); 
@@ -240,7 +243,10 @@
                 --bytesToRead;
                 }
             }
-        while( bytesToRead > 0);                                                  
+        while( (bytesToRead > 0) || (lp8Wait.read() < 0.2 ));
+        
+        lp8Wait.stop();
+        lp8Wait.reset();                                                   
     };
     
 //transmit data over serial lines