Rahul Patle / Mbed 2 deprecated read_mic

Voice_masher_audio read KL46z

Dependencies:   SLCD TSI mbed

read_microphont.cpp@1:e4d5bf9c63f5, 2015-04-28 (annotated)

Committer:
rahulpatle101
Date:
Tue Apr 28 02:01:54 2015 +0000
Revision:
1:e4d5bf9c63f5
Parent:
0:fe8967d28c75 
try2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rahulpatle101 0:fe8967d28c75 1 #include "mbed.h"
rahulpatle101 0:fe8967d28c75 2 #include "SLCD.h"
rahulpatle101 0:fe8967d28c75 3 #include "TSISensor.h"
rahulpatle101 1:e4d5bf9c63f5 4 #include <algorithm> // std::max
rahulpatle101 1:e4d5bf9c63f5 5
rahulpatle101 1:e4d5bf9c63f5 6
rahulpatle101 0:fe8967d28c75 7 #define CHANNELON 0
rahulpatle101 0:fe8967d28c75 8 #define CHANNELOFF 1
rahulpatle101 0:fe8967d28c75 9 #define LCDLEN 10
rahulpatle101 0:fe8967d28c75 10 #define DATATIME 0.1
rahulpatle101 0:fe8967d28c75 11 //LCD messages
rahulpatle101 1:e4d5bf9c63f5 12
rahulpatle101 1:e4d5bf9c63f5 13
rahulpatle101 1:e4d5bf9c63f5 14
rahulpatle101 0:fe8967d28c75 15 // Operating parameters
rahulpatle101 1:e4d5bf9c63f5 16 #define SIDETONE 700.0
rahulpatle101 0:fe8967d28c75 17 #define TONEMIN 200.0
rahulpatle101 0:fe8967d28c75 18 #define TONEINT 800.00 // So tone max is 1000
rahulpatle101 0:fe8967d28c75 19 #define TONEON 0.50
rahulpatle101 0:fe8967d28c75 20 #define TONEOFF 0.0
rahulpatle101 0:fe8967d28c75 21 #define SPEEDAST 0
rahulpatle101 0:fe8967d28c75 22 #define TONEAST 1
rahulpatle101 1:e4d5bf9c63f5 23
rahulpatle101 0:fe8967d28c75 24 SLCD slcd; //define LCD display
rahulpatle101 1:e4d5bf9c63f5 25
rahulpatle101 0:fe8967d28c75 26 TSISensor tsiScaling; // Capacitive sensor/slider
rahulpatle101 1:e4d5bf9c63f5 27
rahulpatle101 0:fe8967d28c75 28 AnalogIn analogRand(PTB3);
rahulpatle101 0:fe8967d28c75 29 PwmOut led(LED_RED);
rahulpatle101 0:fe8967d28c75 30 DigitalOut outPin(PTC9); //J1-16
rahulpatle101 0:fe8967d28c75 31 PwmOut soundOut(PTA13);
rahulpatle101 0:fe8967d28c75 32 Serial pc(USBTX, USBRX);
rahulpatle101 1:e4d5bf9c63f5 33
rahulpatle101 0:fe8967d28c75 34 // Global scalars
rahulpatle101 0:fe8967d28c75 35 char lcdData[LCDLEN];
rahulpatle101 1:e4d5bf9c63f5 36
rahulpatle101 0:fe8967d28c75 37 float tonePeriod;
rahulpatle101 0:fe8967d28c75 38 float toneFreq = SIDETONE;
rahulpatle101 1:e4d5bf9c63f5 39
rahulpatle101 1:e4d5bf9c63f5 40
rahulpatle101 1:e4d5bf9c63f5 41
rahulpatle101 1:e4d5bf9c63f5 42 void LCDMessNoDwell(char *lMess)
rahulpatle101 1:e4d5bf9c63f5 43 {
rahulpatle101 1:e4d5bf9c63f5 44 slcd.Home();
rahulpatle101 1:e4d5bf9c63f5 45 slcd.clear();
rahulpatle101 1:e4d5bf9c63f5 46 slcd.printf(lMess);
rahulpatle101 1:e4d5bf9c63f5 47 }
rahulpatle101 1:e4d5bf9c63f5 48
rahulpatle101 1:e4d5bf9c63f5 49 void toneAdjust( float scaling)
rahulpatle101 1:e4d5bf9c63f5 50 {
rahulpatle101 0:fe8967d28c75 51 int tempInt;
rahulpatle101 1:e4d5bf9c63f5 52
rahulpatle101 0:fe8967d28c75 53 toneFreq = TONEMIN + scaling * TONEINT;
rahulpatle101 1:e4d5bf9c63f5 54 tonePeriod = 1.0/toneFreq;
rahulpatle101 0:fe8967d28c75 55 soundOut.period(tonePeriod); // adusting period
rahulpatle101 0:fe8967d28c75 56 tempInt = (int)toneFreq;
rahulpatle101 0:fe8967d28c75 57 sprintf (lcdData,"%4d",tempInt);
rahulpatle101 0:fe8967d28c75 58 LCDMessNoDwell(lcdData);
rahulpatle101 0:fe8967d28c75 59 return;
rahulpatle101 0:fe8967d28c75 60 }
rahulpatle101 1:e4d5bf9c63f5 61 void lightAdjust( float scaling) // Control brightness of LED
rahulpatle101 1:e4d5bf9c63f5 62 {
rahulpatle101 0:fe8967d28c75 63 float tempDutyFactor;
rahulpatle101 1:e4d5bf9c63f5 64 tempDutyFactor = 1.0 - scaling; //LED is a sinking connection
rahulpatle101 1:e4d5bf9c63f5 65 // anode is held at 5V
rahulpatle101 0:fe8967d28c75 66 led.write(tempDutyFactor); //sdjusting duty factor
rahulpatle101 0:fe8967d28c75 67 return;
rahulpatle101 0:fe8967d28c75 68 }
rahulpatle101 1:e4d5bf9c63f5 69 int main()
rahulpatle101 1:e4d5bf9c63f5 70 {
rahulpatle101 0:fe8967d28c75 71 int tempInt;
rahulpatle101 0:fe8967d28c75 72 float tempValue;
rahulpatle101 0:fe8967d28c75 73 float analogValue;
rahulpatle101 0:fe8967d28c75 74 float mx = 0;
rahulpatle101 0:fe8967d28c75 75 float mn = 1;
rahulpatle101 0:fe8967d28c75 76 float previousDelta = 0;
rahulpatle101 0:fe8967d28c75 77 float delta = 0;
rahulpatle101 1:e4d5bf9c63f5 78
rahulpatle101 1:e4d5bf9c63f5 79 tonePeriod = 1.0/toneFreq;
rahulpatle101 0:fe8967d28c75 80 soundOut.period(tonePeriod);
rahulpatle101 1:e4d5bf9c63f5 81
rahulpatle101 0:fe8967d28c75 82 led.write(CHANNELON);
rahulpatle101 0:fe8967d28c75 83 outPin.write(CHANNELOFF);
rahulpatle101 0:fe8967d28c75 84 tempInt = (int)toneFreq;
rahulpatle101 0:fe8967d28c75 85 sprintf (lcdData,"%4d",tempInt);
rahulpatle101 0:fe8967d28c75 86 LCDMessNoDwell(lcdData);
rahulpatle101 1:e4d5bf9c63f5 87 wait(DATATIME);
rahulpatle101 0:fe8967d28c75 88 while (true) {
rahulpatle101 1:e4d5bf9c63f5 89
rahulpatle101 0:fe8967d28c75 90 tempValue = tsiScaling.readPercentage();
rahulpatle101 1:e4d5bf9c63f5 91 for (int i = 0; i < 100; ++i) {
rahulpatle101 0:fe8967d28c75 92 analogValue = analogRand.read();
rahulpatle101 1:e4d5bf9c63f5 93 mx = max(mx, analogValue);
rahulpatle101 1:e4d5bf9c63f5 94 mn = min(mn, analogValue);
rahulpatle101 1:e4d5bf9c63f5 95
rahulpatle101 1:e4d5bf9c63f5 96
rahulpatle101 1:e4d5bf9c63f5 97 //mn = mn > analogValue ? analogValue : mn;
rahulpatle101 0:fe8967d28c75 98 // mx = mx < analogValue ? analogValue : mx;
rahulpatle101 1:e4d5bf9c63f5 99 //if (analogValue > mx){
rahulpatle101 1:e4d5bf9c63f5 100 // mx = analogValue;
rahulpatle101 1:e4d5bf9c63f5 101 // }
rahulpatle101 1:e4d5bf9c63f5 102 // if (analogValue < mn){
rahulpatle101 1:e4d5bf9c63f5 103 // mn = analogValue;
rahulpatle101 1:e4d5bf9c63f5 104 // }
rahulpatle101 1:e4d5bf9c63f5 105
rahulpatle101 0:fe8967d28c75 106 }
rahulpatle101 0:fe8967d28c75 107 delta = mx - mn;
rahulpatle101 1:e4d5bf9c63f5 108
rahulpatle101 1:e4d5bf9c63f5 109 pc.printf("%f %f %f %f \n", analogValue, mn, mx, delta);
rahulpatle101 0:fe8967d28c75 110 wait_ms(DATATIME);
rahulpatle101 0:fe8967d28c75 111 if(previousDelta != delta) {
rahulpatle101 0:fe8967d28c75 112 soundOut.write(TONEON); // set duty factor to 505
rahulpatle101 0:fe8967d28c75 113 toneAdjust( analogValue);
rahulpatle101 0:fe8967d28c75 114 lightAdjust(analogValue);
rahulpatle101 0:fe8967d28c75 115 previousDelta = delta;
rahulpatle101 1:e4d5bf9c63f5 116 } else {
rahulpatle101 0:fe8967d28c75 117 soundOut.write(TONEOFF); // set dutyfactor to 0%
rahulpatle101 0:fe8967d28c75 118 LCDMessNoDwell("SOFF");
rahulpatle101 1:e4d5bf9c63f5 119 }
rahulpatle101 1:e4d5bf9c63f5 120 wait(DATATIME);
rahulpatle101 0:fe8967d28c75 121 } // while forever
rahulpatle101 0:fe8967d28c75 122 }// end main