Bresdin O'Malley / Mbed 2 deprecated slider_diatonic_v1

HW 6.2 Spring 2015 NMHU New Mexico Highlands. Changing Octaves on KL tap sensor project.

Dependencies:   SLCD TSI mbed

Fork of slider_diatonic_v1 by Stanley Cohen

slider_diatonic_v1.cpp@4:761f247c603e, 2015-02-23 (annotated)

Committer:
bomalley
Date:
Mon Feb 23 06:08:03 2015 +0000
Revision:
4:761f247c603e
Parent:
3:f68e9cdfaf2d 
HW 6.2 Spring 2015 NMHU

Who changed what in which revision?

UserRevisionLine numberNew contents of line
scohennm 2:7f347d6a6422 1 #include "mbed.h"
scohennm 2:7f347d6a6422 2 #include "SLCD.h"
scohennm 2:7f347d6a6422 3 #include "TSISensor.h"
scohennm 2:7f347d6a6422 4
scohennm 2:7f347d6a6422 5
scohennm 2:7f347d6a6422 6 #define CHANNELON 0
scohennm 2:7f347d6a6422 7 #define CHANNELOFF 1
scohennm 2:7f347d6a6422 8 #define LCDLEN 10
scohennm 3:f68e9cdfaf2d 9 #define DATATIME 100 //milli seccnds
scohennm 2:7f347d6a6422 10 //LCD messages
scohennm 2:7f347d6a6422 11
bomalley 4:761f247c603e 12 //Button
bomalley 4:761f247c603e 13 #define BUTOFF 1
bomalley 4:761f247c603e 14 #define BUTON 0
bomalley 4:761f247c603e 15 #define BUTTON PTC3
scohennm 2:7f347d6a6422 16
scohennm 2:7f347d6a6422 17 // Operating parameters
scohennm 2:7f347d6a6422 18 #define SIDETONE 700.0
scohennm 2:7f347d6a6422 19 #define TONEMIN 200.0
scohennm 2:7f347d6a6422 20 #define TONEINT 800.00 // So tone max is 1000
scohennm 2:7f347d6a6422 21 #define TONEON 0.50
scohennm 2:7f347d6a6422 22 #define TONEOFF 0.0
scohennm 2:7f347d6a6422 23 #define SPEEDAST 0
scohennm 2:7f347d6a6422 24 #define TONEAST 1
scohennm 3:f68e9cdfaf2d 25 #define NUMTONES 10
scohennm 3:f68e9cdfaf2d 26 #define LEDPERIOD 0.001
bomalley 4:761f247c603e 27
bomalley 4:761f247c603e 28 #define OCTAVECHANGE 2 //double to increase frequency
scohennm 3:f68e9cdfaf2d 29 //#define PRINTDEBUG
scohennm 2:7f347d6a6422 30
scohennm 3:f68e9cdfaf2d 31 Serial pc(USBTX, USBRX);
scohennm 3:f68e9cdfaf2d 32
bomalley 4:761f247c603e 33 InterruptIn myButton(BUTTON);//button to change octaves
bomalley 4:761f247c603e 34
scohennm 3:f68e9cdfaf2d 35 float diatonicScale[NUMTONES] = {246.94, 261.63,293.66,329.63,349.23,392.00,440.00,493.88,523.25,587.33};
scohennm 2:7f347d6a6422 36 SLCD slcd; //define LCD display
scohennm 2:7f347d6a6422 37
scohennm 2:7f347d6a6422 38 TSISensor tsiScaling; // Capacitive sensor/slider
scohennm 2:7f347d6a6422 39
scohennm 3:f68e9cdfaf2d 40
scohennm 2:7f347d6a6422 41 PwmOut led(LED_RED);
scohennm 2:7f347d6a6422 42 DigitalOut outPin(PTC9); //J1-16
scohennm 2:7f347d6a6422 43 PwmOut soundOut(PTA13);
scohennm 3:f68e9cdfaf2d 44 Timer dataTimer;
scohennm 2:7f347d6a6422 45 // Global scalars
scohennm 2:7f347d6a6422 46 char lcdData[LCDLEN];
scohennm 2:7f347d6a6422 47
scohennm 2:7f347d6a6422 48 float tonePeriod;
scohennm 2:7f347d6a6422 49 float toneFreq = SIDETONE;
scohennm 2:7f347d6a6422 50
bomalley 4:761f247c603e 51 int buttonState = BUTOFF;
scohennm 2:7f347d6a6422 52
scohennm 2:7f347d6a6422 53 void LCDMessNoDwell(char *lMess){
scohennm 2:7f347d6a6422 54 slcd.Home();
scohennm 2:7f347d6a6422 55 slcd.clear();
scohennm 2:7f347d6a6422 56 slcd.printf(lMess);
scohennm 2:7f347d6a6422 57 }
scohennm 2:7f347d6a6422 58
scohennm 3:f68e9cdfaf2d 59 void diatonicAdjust( float scaling) {
scohennm 2:7f347d6a6422 60 int tempInt;
scohennm 3:f68e9cdfaf2d 61 int scaleIndex;
scohennm 3:f68e9cdfaf2d 62 static int oldScaleIndex = 0;
scohennm 3:f68e9cdfaf2d 63 /* There appears to be a set up time for setting the PWM time period
scohennm 3:f68e9cdfaf2d 64 only do a nes set up if the indext changes.
scohennm 3:f68e9cdfaf2d 65 */
scohennm 3:f68e9cdfaf2d 66 scaleIndex = (int)(NUMTONES * scaling);
scohennm 3:f68e9cdfaf2d 67 if (scaleIndex != oldScaleIndex) {
bomalley 4:761f247c603e 68 if(buttonState == BUTON)
bomalley 4:761f247c603e 69 {
bomalley 4:761f247c603e 70 toneFreq = diatonicScale[scaleIndex * OCTAVECHANGE];
bomalley 4:761f247c603e 71 }
bomalley 4:761f247c603e 72 else
bomalley 4:761f247c603e 73 {
bomalley 4:761f247c603e 74 toneFreq = diatonicScale[scaleIndex];
bomalley 4:761f247c603e 75 }
scohennm 3:f68e9cdfaf2d 76 tonePeriod = 1.0/toneFreq;
scohennm 3:f68e9cdfaf2d 77 soundOut.period(tonePeriod); // adjusting period
scohennm 3:f68e9cdfaf2d 78 soundOut.write(TONEON); // there is a setup time for both period and DF
scohennm 3:f68e9cdfaf2d 79 oldScaleIndex = scaleIndex;
scohennm 3:f68e9cdfaf2d 80 } else {
scohennm 3:f68e9cdfaf2d 81 return;
scohennm 3:f68e9cdfaf2d 82 }
scohennm 3:f68e9cdfaf2d 83 #ifdef PRINTDEBUG
scohennm 3:f68e9cdfaf2d 84 pc.printf(" %f,%d\n\r",scaling, scaleIndex );
scohennm 3:f68e9cdfaf2d 85 #endif
scohennm 2:7f347d6a6422 86 tempInt = (int)toneFreq;
scohennm 2:7f347d6a6422 87 sprintf (lcdData,"%4d",tempInt);
scohennm 2:7f347d6a6422 88 LCDMessNoDwell(lcdData);
scohennm 2:7f347d6a6422 89 return;
scohennm 2:7f347d6a6422 90 }
scohennm 2:7f347d6a6422 91 void lightAdjust( float scaling) { // Control brightness of LED
scohennm 2:7f347d6a6422 92 float tempDutyFactor;
scohennm 2:7f347d6a6422 93
scohennm 3:f68e9cdfaf2d 94 tempDutyFactor = 1.0 - scaling; //LED is a sinking connection // anode is held at 5V
scohennm 3:f68e9cdfaf2d 95 led.write(tempDutyFactor); //adjusting duty factor
scohennm 2:7f347d6a6422 96 return;
scohennm 2:7f347d6a6422 97 }
scohennm 3:f68e9cdfaf2d 98
bomalley 4:761f247c603e 99 void pressed()
bomalley 4:761f247c603e 100 {
bomalley 4:761f247c603e 101 buttonState = !buttonState;
bomalley 4:761f247c603e 102 }
bomalley 4:761f247c603e 103
scohennm 2:7f347d6a6422 104 int main(){
scohennm 2:7f347d6a6422 105 int tempInt;
scohennm 2:7f347d6a6422 106 float tempValue;
scohennm 3:f68e9cdfaf2d 107
scohennm 2:7f347d6a6422 108 tonePeriod = 1.0/toneFreq;
scohennm 2:7f347d6a6422 109 soundOut.period(tonePeriod);
scohennm 3:f68e9cdfaf2d 110 led.period(tonePeriod);
scohennm 3:f68e9cdfaf2d 111 led.write(CHANNELOFF);
scohennm 3:f68e9cdfaf2d 112 outPin.write(CHANNELOFF);
scohennm 2:7f347d6a6422 113
scohennm 2:7f347d6a6422 114 tempInt = (int)toneFreq;
scohennm 2:7f347d6a6422 115 sprintf (lcdData,"%4d",tempInt);
scohennm 2:7f347d6a6422 116 LCDMessNoDwell(lcdData);
scohennm 3:f68e9cdfaf2d 117 // Start data timer
scohennm 3:f68e9cdfaf2d 118 dataTimer.start();
scohennm 3:f68e9cdfaf2d 119 dataTimer.reset();
bomalley 4:761f247c603e 120
scohennm 2:7f347d6a6422 121 while (true) {
bomalley 4:761f247c603e 122 myButton.fall(&pressed);
scohennm 3:f68e9cdfaf2d 123 if (dataTimer.read_ms() > DATATIME){ // check to see if enough time has passed
scohennm 3:f68e9cdfaf2d 124 // to read the touch pad
scohennm 3:f68e9cdfaf2d 125 tempValue = tsiScaling.readPercentage();
scohennm 3:f68e9cdfaf2d 126 if(tempValue > 0) {
scohennm 3:f68e9cdfaf2d 127 // soundOut.write(TONEON); // set duty factor to 50%
scohennm 3:f68e9cdfaf2d 128 diatonicAdjust(tempValue);
scohennm 3:f68e9cdfaf2d 129 lightAdjust(tempValue);
scohennm 3:f68e9cdfaf2d 130 } else {
scohennm 3:f68e9cdfaf2d 131 soundOut.write(TONEOFF); // set dutyfactor to 0%
scohennm 3:f68e9cdfaf2d 132 LCDMessNoDwell("SOFF");
scohennm 3:f68e9cdfaf2d 133 }
scohennm 3:f68e9cdfaf2d 134 dataTimer.reset();
scohennm 3:f68e9cdfaf2d 135 }
scohennm 2:7f347d6a6422 136 } // while forever
scohennm 2:7f347d6a6422 137 }// end main