AVR Competition / Mbed 2 deprecated AVC_Robot_Controled_Navigation

First release.

Dependencies:   FXOS8700CQ SDFileSystem mbed

Final program

  • Controling a robot by Bluetooth, it is capable of making 90° turns and move pre-defined distances.

Code by:

  • Mayumi Hori
  • Sarahí Morán
  • Gerardo Carmona

Diff: my_libraries/ultrasonic.cpp

Revision:
4:c60636c95b80
Parent:
3:bd16e43ad7be
--- a/my_libraries/ultrasonic.cpp	Fri Oct 17 06:21:52 2014 +0000
+++ b/my_libraries/ultrasonic.cpp	Fri Oct 17 09:08:06 2014 +0000
@@ -17,12 +17,15 @@
 
 // ----- Functions ------------------------------------------------------------------
 float ultrasonicos(int sensor){
+    double inch, volts;
     if (sensor == ULTRA_R) {
         read_sensor = ultra_rig;                 // read analog as a float         
     }else if (sensor == ULTRA_L) {
         read_sensor = ultra_lef;                 // read analog as a float    
     }
     // read_sensor * 3300mv / 6.4 mV/in * 2.54 in/cms
-    cm = read_sensor * 1309.6875;
+    volts = read_sensor * 3300;
+    inch = volts / 6.4;
+    cm = inch * 2.54;
     return cm;
 }
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