EES Stephen Perse Sixth Form / Mbed 2 deprecated SRF05_HelloWorld

works

Dependencies:   SRF05 mbed

Fork of SRF05_HelloWorld by Simon Ford

Diff: main.cpp

Revision:
2:f9045153af1e
Parent:
1:612f5d9de345
Child:
3:1b2fffffb566
diff -r 612f5d9de345 -r f9045153af1e main.cpp
--- a/main.cpp	Tue Nov 29 15:48:54 2016 +0000
+++ b/main.cpp	Tue Nov 29 16:12:11 2016 +0000
@@ -6,8 +6,15 @@
 SRF05 srf(p9, p10);
  
 int main() { 
+    float curval;
+    float percentage;
+    float tankfull = 5;
+    float tankempty = 35;
+    float range = tankempty-tankfull; // 100-(value-5)/range*100
      while(1) { 
-         printf("Distance = %.1f\n\r", srf.read());              
+         curval = srf.read();
+         percentage = 100-((curval-5)/range)*100;
+         printf ("Percentage Remaining: %.0f", percentage);             
          wait(0.2); 
      } 
  } 
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