Rahul Patle
Voice_masher_audio read KL46z
Revision 0:fe8967d28c75, committed 2015-04-27
- Comitter:
- rahulpatle101
- Date:
- Mon Apr 27 23:56:50 2015 +0000
- Child:
- 1:e4d5bf9c63f5
- Commit message:
- Mic_read
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SLCD.lib Mon Apr 27 23:56:50 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Sissors/code/SLCD/#ef2b3b7f1b01
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TSI.lib Mon Apr 27 23:56:50 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/TSI/#1a60ef257879
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Apr 27 23:56:50 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5 \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/read_microphont.cpp Mon Apr 27 23:56:50 2015 +0000
@@ -0,0 +1,113 @@
+#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
+
+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) {
+ 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;
+ float analogValue;
+ float mx = 0;
+ float mn = 1;
+ float previousDelta = 0;
+ float delta = 0;
+
+ 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();
+ for (int i = 0; i < 1000; ++i) {
+ analogValue = analogRand.read();
+ //mn = mn > analogValue ? analogValue : mn;
+// mx = mx < analogValue ? analogValue : mx;
+ if (analogValue > mx){
+ mx = analogValue;
+ }
+ if (analogValue < mn){
+ mn = analogValue;
+ }
+
+ }
+ delta = mx - mn;
+
+ pc.printf("%f %f %f %f\n", analogValue, mx, mn, delta);
+ wait_ms(DATATIME);
+ if(previousDelta != delta) {
+ soundOut.write(TONEON); // set duty factor to 505
+ toneAdjust( analogValue);
+ lightAdjust(analogValue);
+ previousDelta = delta;
+ } else {
+ soundOut.write(TONEOFF); // set dutyfactor to 0%
+ LCDMessNoDwell("SOFF");
+ }
+ wait(DATATIME);
+ } // while forever
+}// end main
\ No newline at end of file