David Estrada / Mbed 2 deprecated slider_diatonic_v1_HW7_1-Two_timers_changing_Octaves

Can't figure out this one, my Multi-dimensional Array doesn't work.

Dependencies:   SLCD TSI mbed

Fork of slider_diatonic_v1_HW6_2-ChangingOctaves by David Estrada

slider_diatonic_v1.cpp@5:d7747f156e9a, 2015-02-25 (annotated)

Committer:
destradafilm
Date:
Wed Feb 25 17:04:35 2015 +0000
Revision:
5:d7747f156e9a
Parent:
4:de991c90af6a 
HW_7_1 - Using two timers

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
destradafilm 5:d7747f156e9a 9 #define DATATIME 50 //milli seccnds
destradafilm 5:d7747f156e9a 10 #define PUSHTIME 100 // MS
scohennm 2:7f347d6a6422 11 //LCD messages
scohennm 2:7f347d6a6422 12
scohennm 2:7f347d6a6422 13
scohennm 2:7f347d6a6422 14
scohennm 2:7f347d6a6422 15 // Operating parameters
scohennm 2:7f347d6a6422 16 #define SIDETONE 700.0
scohennm 2:7f347d6a6422 17 #define TONEMIN 200.0
scohennm 2:7f347d6a6422 18 #define TONEINT 800.00 // So tone max is 1000
scohennm 2:7f347d6a6422 19 #define TONEON 0.50
scohennm 2:7f347d6a6422 20 #define TONEOFF 0.0
scohennm 2:7f347d6a6422 21 #define SPEEDAST 0
scohennm 2:7f347d6a6422 22 #define TONEAST 1
scohennm 3:f68e9cdfaf2d 23 #define NUMTONES 10
scohennm 3:f68e9cdfaf2d 24 #define LEDPERIOD 0.001
destradafilm 5:d7747f156e9a 25 #define OCTAVESTATE 1
destradafilm 5:d7747f156e9a 26 #define NUMOCTS 2
scohennm 3:f68e9cdfaf2d 27 //#define PRINTDEBUG
scohennm 2:7f347d6a6422 28
scohennm 3:f68e9cdfaf2d 29 Serial pc(USBTX, USBRX);
scohennm 3:f68e9cdfaf2d 30
destradafilm 5:d7747f156e9a 31 int octaveState = 0;
destradafilm 5:d7747f156e9a 32 float diatonicScale[OCTAVESTATE][NUMTONES] = {{246.94, 261.63,293.66,329.63,349.23,392.00,440.00,493.88,523.25,587.33},
destradafilm 5:d7747f156e9a 33 {493.88, 523.25,587.33,659.25,698.46,783.99,880.00,987.77,1046.50,1174.66}};
destradafilm 5:d7747f156e9a 34 //float diatonicScale2[NUMTONES] =;
scohennm 2:7f347d6a6422 35 SLCD slcd; //define LCD display
scohennm 2:7f347d6a6422 36
scohennm 2:7f347d6a6422 37 TSISensor tsiScaling; // Capacitive sensor/slider
scohennm 2:7f347d6a6422 38
destradafilm 4:de991c90af6a 39 // changes
destradafilm 5:d7747f156e9a 40 DigitalOut RtButton(PTC3); // make RIGHT button interrrupt
destradafilm 4:de991c90af6a 41 int RtbuttonState; // switch changes when RtButton is pressed
scohennm 3:f68e9cdfaf2d 42
scohennm 2:7f347d6a6422 43 PwmOut led(LED_RED);
scohennm 2:7f347d6a6422 44 DigitalOut outPin(PTC9); //J1-16
scohennm 2:7f347d6a6422 45 PwmOut soundOut(PTA13);
destradafilm 5:d7747f156e9a 46
destradafilm 5:d7747f156e9a 47
destradafilm 5:d7747f156e9a 48 Timer dataTimer; // timer - check if slider has been changed every DATATIME (50ms)
destradafilm 5:d7747f156e9a 49 Timer buttonTimer; // check if button has been pressed every PUSHTIME (100ms)
scohennm 2:7f347d6a6422 50 // Global scalars
scohennm 2:7f347d6a6422 51 char lcdData[LCDLEN];
scohennm 2:7f347d6a6422 52
scohennm 2:7f347d6a6422 53 float tonePeriod;
scohennm 2:7f347d6a6422 54 float toneFreq = SIDETONE;
scohennm 2:7f347d6a6422 55
scohennm 2:7f347d6a6422 56
scohennm 2:7f347d6a6422 57
scohennm 2:7f347d6a6422 58 void LCDMessNoDwell(char *lMess){
scohennm 2:7f347d6a6422 59 slcd.Home();
scohennm 2:7f347d6a6422 60 slcd.clear();
scohennm 2:7f347d6a6422 61 slcd.printf(lMess);
scohennm 2:7f347d6a6422 62 }
scohennm 2:7f347d6a6422 63
destradafilm 5:d7747f156e9a 64 void diatonicAdjust( float scaling, float octfactors[octaveState]) {
scohennm 2:7f347d6a6422 65 int tempInt;
scohennm 3:f68e9cdfaf2d 66 int scaleIndex;
scohennm 3:f68e9cdfaf2d 67 static int oldScaleIndex = 0;
destradafilm 5:d7747f156e9a 68
scohennm 3:f68e9cdfaf2d 69 /* There appears to be a set up time for setting the PWM time period
scohennm 3:f68e9cdfaf2d 70 only do a nes set up if the indext changes.
scohennm 3:f68e9cdfaf2d 71 */
scohennm 3:f68e9cdfaf2d 72 scaleIndex = (int)(NUMTONES * scaling);
scohennm 3:f68e9cdfaf2d 73 if (scaleIndex != oldScaleIndex) {
destradafilm 4:de991c90af6a 74 if(RtbuttonState == false){
destradafilm 5:d7747f156e9a 75 toneFreq = diatonicScale[0][scaleIndex];
destradafilm 4:de991c90af6a 76 } else {
destradafilm 5:d7747f156e9a 77 toneFreq = diatonicScale[1][scaleIndex];
destradafilm 4:de991c90af6a 78 }
scohennm 3:f68e9cdfaf2d 79 tonePeriod = 1.0/toneFreq;
scohennm 3:f68e9cdfaf2d 80 soundOut.period(tonePeriod); // adjusting period
scohennm 3:f68e9cdfaf2d 81 soundOut.write(TONEON); // there is a setup time for both period and DF
scohennm 3:f68e9cdfaf2d 82 oldScaleIndex = scaleIndex;
scohennm 3:f68e9cdfaf2d 83 } else {
scohennm 3:f68e9cdfaf2d 84 return;
scohennm 3:f68e9cdfaf2d 85 }
scohennm 3:f68e9cdfaf2d 86 #ifdef PRINTDEBUG
scohennm 3:f68e9cdfaf2d 87 pc.printf(" %f,%d\n\r",scaling, scaleIndex );
scohennm 3:f68e9cdfaf2d 88 #endif
scohennm 2:7f347d6a6422 89 tempInt = (int)toneFreq;
scohennm 2:7f347d6a6422 90 sprintf (lcdData,"%4d",tempInt);
scohennm 2:7f347d6a6422 91 LCDMessNoDwell(lcdData);
scohennm 2:7f347d6a6422 92 return;
scohennm 2:7f347d6a6422 93 }
scohennm 2:7f347d6a6422 94 void lightAdjust( float scaling) { // Control brightness of LED
scohennm 2:7f347d6a6422 95 float tempDutyFactor;
scohennm 2:7f347d6a6422 96
scohennm 3:f68e9cdfaf2d 97 tempDutyFactor = 1.0 - scaling; //LED is a sinking connection // anode is held at 5V
scohennm 3:f68e9cdfaf2d 98 led.write(tempDutyFactor); //adjusting duty factor
scohennm 2:7f347d6a6422 99 return;
scohennm 2:7f347d6a6422 100 }
scohennm 3:f68e9cdfaf2d 101
scohennm 2:7f347d6a6422 102 int main(){
scohennm 2:7f347d6a6422 103 int tempInt;
scohennm 2:7f347d6a6422 104 float tempValue;
scohennm 3:f68e9cdfaf2d 105
scohennm 2:7f347d6a6422 106 tonePeriod = 1.0/toneFreq;
scohennm 2:7f347d6a6422 107 soundOut.period(tonePeriod);
scohennm 3:f68e9cdfaf2d 108 led.period(tonePeriod);
scohennm 3:f68e9cdfaf2d 109 led.write(CHANNELOFF);
scohennm 3:f68e9cdfaf2d 110 outPin.write(CHANNELOFF);
scohennm 2:7f347d6a6422 111
scohennm 2:7f347d6a6422 112 tempInt = (int)toneFreq;
scohennm 2:7f347d6a6422 113 sprintf (lcdData,"%4d",tempInt);
scohennm 2:7f347d6a6422 114 LCDMessNoDwell(lcdData);
destradafilm 5:d7747f156e9a 115
scohennm 3:f68e9cdfaf2d 116 // Start data timer
scohennm 3:f68e9cdfaf2d 117 dataTimer.start();
scohennm 3:f68e9cdfaf2d 118 dataTimer.reset();
destradafilm 5:d7747f156e9a 119
destradafilm 5:d7747f156e9a 120 buttonTimer.start();
destradafilm 5:d7747f156e9a 121 buttonTimer.reset();
scohennm 3:f68e9cdfaf2d 122
scohennm 2:7f347d6a6422 123 while (true) {
destradafilm 5:d7747f156e9a 124
destradafilm 5:d7747f156e9a 125 if(buttonTimer.read_ms() > PUSHTIME){
destradafilm 5:d7747f156e9a 126 //HANDLE USER INPUT FOR DISPLAY SECTIONS
destradafilm 5:d7747f156e9a 127 //
destradafilm 5:d7747f156e9a 128 RtbuttonState = !RtButton; // button is pulled up so false is when button is pushed it's inverted to avoid confusion downstream
destradafilm 5:d7747f156e9a 129 if(RtbuttonState) {
destradafilm 5:d7747f156e9a 130 octaveState++;
destradafilm 5:d7747f156e9a 131 octaveState = octaveState % NUMOCTS;
destradafilm 5:d7747f156e9a 132 }
destradafilm 5:d7747f156e9a 133 buttonTimer.reset();
destradafilm 4:de991c90af6a 134
scohennm 3:f68e9cdfaf2d 135 if (dataTimer.read_ms() > DATATIME){ // check to see if enough time has passed
scohennm 3:f68e9cdfaf2d 136 // to read the touch pad
scohennm 3:f68e9cdfaf2d 137 tempValue = tsiScaling.readPercentage();
scohennm 3:f68e9cdfaf2d 138 if(tempValue > 0) {
scohennm 3:f68e9cdfaf2d 139 // soundOut.write(TONEON); // set duty factor to 50%
destradafilm 5:d7747f156e9a 140 diatonicAdjust(tempValue, octfactors[octaveState]);
scohennm 3:f68e9cdfaf2d 141 lightAdjust(tempValue);
scohennm 3:f68e9cdfaf2d 142 } else {
scohennm 3:f68e9cdfaf2d 143 soundOut.write(TONEOFF); // set dutyfactor to 0%
destradafilm 5:d7747f156e9a 144 sprintf (lcdData, "%4d", octaveState + 1);// just to make thigns user readable
scohennm 3:f68e9cdfaf2d 145 LCDMessNoDwell("SOFF");
scohennm 3:f68e9cdfaf2d 146 }
scohennm 3:f68e9cdfaf2d 147 dataTimer.reset();
scohennm 3:f68e9cdfaf2d 148 }
scohennm 2:7f347d6a6422 149 } // while forever
scohennm 2:7f347d6a6422 150 }// end main