Diff: slider_tone_v1.cpp

Revision:

2:7f347d6a6422

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/slider_tone_v1.cpp	Sat Feb 14 23:03:06 2015 +0000
@@ -0,0 +1,90 @@
+#include "mbed.h"
+#include "SLCD.h"
+#include "TSISensor.h"
+
+
+#define CHANNELON   0
+#define CHANNELOFF  1
+#define LCDLEN      10
+#define DATATIME    0.1
+//LCD messages
+
+
+
+// Operating parameters
+#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
+
+PwmOut led(LED_RED);
+DigitalOut outPin(PTC9); //J1-16
+PwmOut soundOut(PTA13);
+// 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) {
+    int tempInt;
+    
+    toneFreq = TONEMIN + scaling * TONEINT;
+    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
+    float tempDutyFactor;
+    
+    tempDutyFactor = 1.0 - scaling; //LED is a sinking connection 
+                                    // anode is held at 5V
+    led.write(tempDutyFactor); //sdjusting duty factor
+    return;
+}
+int main(){
+    int tempInt;
+    float tempValue;
+    tonePeriod = 1.0/toneFreq; 
+    soundOut.period(tonePeriod);
+    
+    
+    
+    led.write(CHANNELON);
+    outPin.write(CHANNELOFF);
+    tempInt = (int)toneFreq;
+    sprintf (lcdData,"%4d",tempInt);
+    LCDMessNoDwell(lcdData);
+    wait(DATATIME);   
+    while (true) {
+    
+        tempValue = tsiScaling.readPercentage();
+        if(tempValue > 0) {
+            soundOut.write(TONEON); // set duty factor to 505
+            toneAdjust( tempValue);
+            lightAdjust(tempValue);
+        } else { 
+            soundOut.write(TONEOFF); // set dutyfactor to 0%
+            LCDMessNoDwell("SOFF");
+        }       
+        wait(DATATIME);                  
+    } // while forever
+}// end main
\ No newline at end of file