Revision 1:e4d5bf9c63f5, committed 2015-04-28

Comitter:

rahulpatle101

Date:

Tue Apr 28 02:01:54 2015 +0000

Parent:

0:fe8967d28c75

Commit message:

try2

Changed in this revision

--- a/read_microphont.cpp	Mon Apr 27 23:56:50 2015 +0000
+++ b/read_microphont.cpp	Tue Apr 28 02:01:54 2015 +0000
@@ -1,68 +1,73 @@
 #include "mbed.h"
 #include "SLCD.h"
 #include "TSISensor.h"
- 
- 
+#include <algorithm>    // std::max
+
+
 #define CHANNELON   0
 #define CHANNELOFF  1
 #define LCDLEN      10
 #define DATATIME    0.1
 //LCD messages
- 
- 
- 
+
+
+
 // Operating parameters
-#define SIDETONE    700.0   
+#define SIDETONE    700.0
 #define TONEMIN     200.0
 #define TONEINT     800.00 // So tone max is 1000
 #define TONEON      0.50
 #define TONEOFF     0.0
 #define SPEEDAST    0
 #define TONEAST     1
- 
+
 SLCD slcd; //define LCD display
- 
+
 TSISensor tsiScaling; // Capacitive sensor/slider
- 
+
 AnalogIn analogRand(PTB3);
 PwmOut led(LED_RED);
 DigitalOut outPin(PTC9); //J1-16
 PwmOut soundOut(PTA13);
 Serial pc(USBTX, USBRX);
- 
+
 // Global scalars
 char lcdData[LCDLEN];
- 
+
 float tonePeriod;
 float toneFreq = SIDETONE;
- 
- 
- 
-void LCDMessNoDwell(char *lMess){
-        slcd.Home();
-        slcd.clear();
-        slcd.printf(lMess);
-} 
-  
-void toneAdjust( float scaling) {
+
+
+
+void LCDMessNoDwell(char *lMess)
+{
+    slcd.Home();
+    slcd.clear();
+    slcd.printf(lMess);
+}
+
+void toneAdjust( float scaling)
+{
     int tempInt;
-    
+
     toneFreq = TONEMIN + scaling * TONEINT;
-    tonePeriod = 1.0/toneFreq;  
+    tonePeriod = 1.0/toneFreq;
     soundOut.period(tonePeriod); // adusting period
     tempInt = (int)toneFreq;
     sprintf (lcdData,"%4d",tempInt);
     LCDMessNoDwell(lcdData);
     return;
 }
-void lightAdjust( float scaling) { // Control brightness of LED
+void lightAdjust( float scaling)   // Control brightness of LED
+{
     float tempDutyFactor;
-    tempDutyFactor = 1.0 - scaling; //LED is a sinking connection 
-                                    // anode is held at 5V
+    tempDutyFactor = 1.0 - scaling; //LED is a sinking connection
+    // anode is held at 5V
     led.write(tempDutyFactor); //sdjusting duty factor
     return;
 }
-int main(){
+int main()
+{
     int tempInt;
     float tempValue;
     float analogValue;
@@ -70,44 +75,48 @@
     float mn = 1;
     float previousDelta = 0;
     float delta = 0;
-    
-    tonePeriod = 1.0/toneFreq; 
+
+    tonePeriod = 1.0/toneFreq;
     soundOut.period(tonePeriod);
-    
+
     led.write(CHANNELON);
     outPin.write(CHANNELOFF);
     tempInt = (int)toneFreq;
     sprintf (lcdData,"%4d",tempInt);
     LCDMessNoDwell(lcdData);
-    wait(DATATIME);   
+    wait(DATATIME);
     while (true) {
-    
+
         tempValue = tsiScaling.readPercentage();
-        for (int i = 0; i < 1000; ++i) {
+        for (int i = 0; i < 100; ++i) {
             analogValue = analogRand.read();
-            //mn =  mn > analogValue ? analogValue : mn; 
+            mx = max(mx, analogValue);
+            mn = min(mn, analogValue);
+
+
+            //mn =  mn > analogValue ? analogValue : mn;
 //            mx = mx < analogValue ? analogValue : mx;
-            if (analogValue > mx){
-                mx = analogValue;
-            } 
-            if (analogValue < mn){
-                mn = analogValue;
-            }
-                
+            //if (analogValue > mx){
+//                mx = analogValue;
+//            }
+//            if (analogValue < mn){
+//                mn = analogValue;
+//            }
+
         }
         delta = mx - mn;
-        
-        pc.printf("%f    %f    %f    %f\n", analogValue, mx, mn, delta);
+
+        pc.printf("%f    %f    %f    %f \n", analogValue, mn, mx, delta);
         wait_ms(DATATIME);
         if(previousDelta !=  delta) {
             soundOut.write(TONEON); // set duty factor to 505
             toneAdjust( analogValue);
             lightAdjust(analogValue);
             previousDelta = delta;
-        } else { 
+        } else {
             soundOut.write(TONEOFF); // set dutyfactor to 0%
             LCDMessNoDwell("SOFF");
-        }       
-        wait(DATATIME);                  
+        }
+        wait(DATATIME);
     } // while forever
 }// end main
\ No newline at end of file