Generazione suono campionato
Dependencies: mbed
Fork of Amplificatore_bomboni_rev2 by
Sound-Generation.cpp@5:413f85118dd5, 2018-05-31 (annotated)
- Committer:
- Vito1704
- Date:
- Thu May 31 15:24:22 2018 +0000
- Revision:
- 5:413f85118dd5
- Parent:
- 4:6225b049c06b
- Child:
- 6:be1561f8c63c
Programma per la creazione di suoni
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
pinofal | 2:93bba36e0c06 | 1 | // Tested : NUCLEO F207ZG |
pinofal | 2:93bba36e0c06 | 2 | #include "mbed.h" |
Vito1704 | 5:413f85118dd5 | 3 | #include<stdlib.h> |
pinofal | 2:93bba36e0c06 | 4 | // Definizione periferiche |
pinofal | 2:93bba36e0c06 | 5 | Serial pc(USBTX, USBRX); |
pinofal | 2:93bba36e0c06 | 6 | AnalogOut OutWave(PA_5); |
pinofal | 2:93bba36e0c06 | 7 | //DigitalOut DigitalWave(PA_5); |
pinofal | 2:93bba36e0c06 | 8 | DigitalOut led1(LED1); |
pinofal | 2:93bba36e0c06 | 9 | DigitalOut led2(LED2); |
pinofal | 2:93bba36e0c06 | 10 | DigitalOut led3(LED3); |
pinofal | 2:93bba36e0c06 | 11 | |
pinofal | 2:93bba36e0c06 | 12 | // definizione della frequenza delle note ottava centrale del pianoforte |
francesco01 | 4:6225b049c06b | 13 | #define m 0 |
pinofal | 2:93bba36e0c06 | 14 | #define C 261.63 |
pinofal | 2:93bba36e0c06 | 15 | #define Cd 277.18 |
pinofal | 2:93bba36e0c06 | 16 | #define Db 277.18 |
pinofal | 2:93bba36e0c06 | 17 | #define D 293.66 |
pinofal | 2:93bba36e0c06 | 18 | #define Dd 311.13 |
pinofal | 2:93bba36e0c06 | 19 | #define Eb 311.13 |
pinofal | 2:93bba36e0c06 | 20 | #define E 329.63 |
pinofal | 2:93bba36e0c06 | 21 | #define F 349.23 |
pinofal | 2:93bba36e0c06 | 22 | #define Fd 369.99 |
pinofal | 2:93bba36e0c06 | 23 | #define Gb 369.99 |
pinofal | 2:93bba36e0c06 | 24 | #define G 392.9 |
pinofal | 2:93bba36e0c06 | 25 | #define Gd 415.3 |
pinofal | 2:93bba36e0c06 | 26 | #define Ab 415.3 |
pinofal | 2:93bba36e0c06 | 27 | #define A 440.0 |
pinofal | 2:93bba36e0c06 | 28 | #define Ad 466.16 |
pinofal | 2:93bba36e0c06 | 29 | #define Bb 466.16 |
pinofal | 2:93bba36e0c06 | 30 | #define B 493.18 |
pinofal | 2:93bba36e0c06 | 31 | |
pinofal | 2:93bba36e0c06 | 32 | |
pinofal | 2:93bba36e0c06 | 33 | |
pinofal | 2:93bba36e0c06 | 34 | |
pinofal | 2:93bba36e0c06 | 35 | |
pinofal | 2:93bba36e0c06 | 36 | |
pinofal | 2:93bba36e0c06 | 37 | // numero di campioni che compongono un periodo della sinusoide in Output sull'ADC |
pinofal | 2:93bba36e0c06 | 38 | #define SAMPLESINENUM 45// consigliabile avere multipli di 45 |
pinofal | 2:93bba36e0c06 | 39 | |
pinofal | 2:93bba36e0c06 | 40 | // parametri dell'onda coseno da generare |
pinofal | 2:93bba36e0c06 | 41 | #define PI (3.141592653589793238462) |
pinofal | 2:93bba36e0c06 | 42 | #define AMPLITUDE 32767 //(1.0) // x * 3.3V |
pinofal | 2:93bba36e0c06 | 43 | #define PHASE (PI/2) // 2*pi è un periodo |
pinofal | 2:93bba36e0c06 | 44 | #define OFFSET 32767 //(0x7FFF) |
pinofal | 2:93bba36e0c06 | 45 | |
pinofal | 2:93bba36e0c06 | 46 | // numero di note componenti la scala diatonica |
pinofal | 2:93bba36e0c06 | 47 | #define NUMTONE 120 |
pinofal | 2:93bba36e0c06 | 48 | |
pinofal | 2:93bba36e0c06 | 49 | // Output LED di diagnostica |
pinofal | 2:93bba36e0c06 | 50 | DigitalOut led(LED1); |
pinofal | 2:93bba36e0c06 | 51 | |
pinofal | 2:93bba36e0c06 | 52 | // ticker per la generazione dell'onda con DAC |
pinofal | 2:93bba36e0c06 | 53 | Ticker SampleOutTicker; |
pinofal | 2:93bba36e0c06 | 54 | |
pinofal | 2:93bba36e0c06 | 55 | // Buffer contenente la sinusoide da porre in output. |
pinofal | 2:93bba36e0c06 | 56 | unsigned short usaSine[SAMPLESINENUM]; |
pinofal | 2:93bba36e0c06 | 57 | |
pinofal | 2:93bba36e0c06 | 58 | // prototipo di funzione che genera i campioni della sinusoide da utilizzare per la generazione tramite DAC |
pinofal | 2:93bba36e0c06 | 59 | void CalculateSinewave(void); |
pinofal | 2:93bba36e0c06 | 60 | |
pinofal | 2:93bba36e0c06 | 61 | // carattere in arrivo dal PC |
pinofal | 2:93bba36e0c06 | 62 | volatile char cReadChar; |
Vito1704 | 5:413f85118dd5 | 63 | volatile char CReadMusic; |
pinofal | 2:93bba36e0c06 | 64 | // indice, nell'array, del campione da porre in output |
pinofal | 2:93bba36e0c06 | 65 | volatile int nSampleOutIndex; |
pinofal | 2:93bba36e0c06 | 66 | // contatore dei campioni in output sul DAC |
pinofal | 2:93bba36e0c06 | 67 | volatile int nSampleOutCount; |
pinofal | 2:93bba36e0c06 | 68 | // Periodo di generazione campioni in output DeltaT = T/NumSample |
pinofal | 2:93bba36e0c06 | 69 | double fDeltaT; |
pinofal | 2:93bba36e0c06 | 70 | // amplificazione per il dato da spedire sull'ADC |
pinofal | 2:93bba36e0c06 | 71 | volatile double fAmp; |
pinofal | 2:93bba36e0c06 | 72 | //volatile double fAmpNew; |
pinofal | 2:93bba36e0c06 | 73 | // flag per bloccare la generazione del segnale |
pinofal | 2:93bba36e0c06 | 74 | volatile bool bStop; |
pinofal | 2:93bba36e0c06 | 75 | // frequenza segnale da generare |
pinofal | 2:93bba36e0c06 | 76 | volatile double fFreq; |
pinofal | 2:93bba36e0c06 | 77 | // periodo della sinusoide da generare |
pinofal | 2:93bba36e0c06 | 78 | double fPeriod; |
pinofal | 2:93bba36e0c06 | 79 | double dDiatonic[NUMTONE]; |
pinofal | 2:93bba36e0c06 | 80 | |
pinofal | 2:93bba36e0c06 | 81 | //**************************** |
pinofal | 2:93bba36e0c06 | 82 | // Create the sinewave buffer |
pinofal | 2:93bba36e0c06 | 83 | //**************************** |
pinofal | 2:93bba36e0c06 | 84 | void CalculateSinewave(int nOffset, int nAmplitude, double fPhase) |
pinofal | 2:93bba36e0c06 | 85 | { |
pinofal | 2:93bba36e0c06 | 86 | // variabile contenente l'angolo in radianti |
pinofal | 2:93bba36e0c06 | 87 | double fRads; |
pinofal | 2:93bba36e0c06 | 88 | // indici per i cicli |
pinofal | 2:93bba36e0c06 | 89 | int nIndex; |
pinofal | 2:93bba36e0c06 | 90 | // passo in frequenza fissato dal numero di campioni in cui voglio dividere un periodo di sinusoide: DeltaF = 360°/NUMSAMPLE |
pinofal | 2:93bba36e0c06 | 91 | double fDeltaF; |
pinofal | 2:93bba36e0c06 | 92 | // angolo per il quale bisogna calcolare il valore di sinusoide: fAngle = nIndex*DeltaF |
pinofal | 2:93bba36e0c06 | 93 | double fAngle; |
pinofal | 2:93bba36e0c06 | 94 | |
pinofal | 2:93bba36e0c06 | 95 | fDeltaF = 360.0/SAMPLESINENUM; |
pinofal | 2:93bba36e0c06 | 96 | for (nIndex = 0; nIndex < SAMPLESINENUM; nIndex++) |
pinofal | 2:93bba36e0c06 | 97 | { |
pinofal | 2:93bba36e0c06 | 98 | fAngle = nIndex*fDeltaF; // angolo per il quale bisogna calcolare il campione di sinusoide |
pinofal | 2:93bba36e0c06 | 99 | fRads = (PI * fAngle)/180.0; // Convert degree in radian |
pinofal | 2:93bba36e0c06 | 100 | //usaSine[nIndex] = AMPLITUDE * cos(fRads + PHASE) + OFFSET; |
pinofal | 2:93bba36e0c06 | 101 | usaSine[nIndex] = nAmplitude * cos(fRads + fPhase) + nOffset; |
pinofal | 2:93bba36e0c06 | 102 | } |
pinofal | 2:93bba36e0c06 | 103 | } |
pinofal | 2:93bba36e0c06 | 104 | |
pinofal | 2:93bba36e0c06 | 105 | |
pinofal | 2:93bba36e0c06 | 106 | //********************************************** |
pinofal | 2:93bba36e0c06 | 107 | // Crea le frequenze delle note del pianoforte |
pinofal | 2:93bba36e0c06 | 108 | //********************************************** |
pinofal | 2:93bba36e0c06 | 109 | void CreateDiatonic() |
pinofal | 2:93bba36e0c06 | 110 | { |
pinofal | 2:93bba36e0c06 | 111 | int nTono; |
pinofal | 2:93bba36e0c06 | 112 | int nOttava; |
pinofal | 2:93bba36e0c06 | 113 | |
pinofal | 2:93bba36e0c06 | 114 | // ottava centrale = ottava 4 |
pinofal | 2:93bba36e0c06 | 115 | dDiatonic[4*12+0]=261.63; // C |
pinofal | 2:93bba36e0c06 | 116 | dDiatonic[4*12+1]=277.18; // C#/Db |
pinofal | 2:93bba36e0c06 | 117 | dDiatonic[4*12+2]=293.66; // D |
pinofal | 2:93bba36e0c06 | 118 | dDiatonic[4*12+3]=311.13; // D#/Eb |
pinofal | 2:93bba36e0c06 | 119 | dDiatonic[4*12+4]=329.63; // E |
pinofal | 2:93bba36e0c06 | 120 | dDiatonic[4*12+5]=349.23; // F |
pinofal | 2:93bba36e0c06 | 121 | dDiatonic[4*12+6]=369.99; // F#/Gb |
pinofal | 2:93bba36e0c06 | 122 | dDiatonic[4*12+7]=392.00; // G |
pinofal | 2:93bba36e0c06 | 123 | dDiatonic[4*12+8]=415.30; // G#/Ab |
pinofal | 2:93bba36e0c06 | 124 | dDiatonic[4*12+9]=440.00; // A |
pinofal | 2:93bba36e0c06 | 125 | dDiatonic[4*12+10]=466.16; // A#/Bb |
pinofal | 2:93bba36e0c06 | 126 | dDiatonic[4*12+11]=493.88; // B |
pinofal | 2:93bba36e0c06 | 127 | |
pinofal | 2:93bba36e0c06 | 128 | // dalla ottava 5 alla 9 |
pinofal | 2:93bba36e0c06 | 129 | for(nOttava=5; nOttava<9; nOttava++) |
pinofal | 2:93bba36e0c06 | 130 | { |
pinofal | 2:93bba36e0c06 | 131 | for(nTono=0; nTono<12; nTono++) |
pinofal | 2:93bba36e0c06 | 132 | { |
pinofal | 2:93bba36e0c06 | 133 | dDiatonic[(nOttava*12)+nTono]=dDiatonic[((nOttava-1)*12)+nTono]*2; |
pinofal | 2:93bba36e0c06 | 134 | } |
pinofal | 2:93bba36e0c06 | 135 | } |
pinofal | 2:93bba36e0c06 | 136 | |
pinofal | 2:93bba36e0c06 | 137 | // dalla ottava 0 alla 3 |
pinofal | 2:93bba36e0c06 | 138 | for(nOttava=3; nOttava>=0; nOttava--) |
pinofal | 2:93bba36e0c06 | 139 | { |
pinofal | 2:93bba36e0c06 | 140 | for(nTono=0; nTono<12; nTono++) |
pinofal | 2:93bba36e0c06 | 141 | { |
pinofal | 2:93bba36e0c06 | 142 | dDiatonic[(nOttava*12)+nTono]=dDiatonic[((nOttava+1)*12)+nTono]/2; |
pinofal | 2:93bba36e0c06 | 143 | } |
pinofal | 2:93bba36e0c06 | 144 | } |
pinofal | 2:93bba36e0c06 | 145 | } |
pinofal | 2:93bba36e0c06 | 146 | |
pinofal | 2:93bba36e0c06 | 147 | //*************************** |
pinofal | 2:93bba36e0c06 | 148 | // generazione sample da DAC |
pinofal | 2:93bba36e0c06 | 149 | //*************************** |
pinofal | 2:93bba36e0c06 | 150 | void SampleOut() |
pinofal | 2:93bba36e0c06 | 151 | { |
pinofal | 2:93bba36e0c06 | 152 | // se è stato inviato il comando Stop, non fare niente fino a nuovo comando |
pinofal | 2:93bba36e0c06 | 153 | if(bStop) |
pinofal | 2:93bba36e0c06 | 154 | { |
pinofal | 2:93bba36e0c06 | 155 | } |
pinofal | 2:93bba36e0c06 | 156 | else // se non è stato inviato il comando di bStop continua |
pinofal | 2:93bba36e0c06 | 157 | { |
pinofal | 2:93bba36e0c06 | 158 | // output del campione della forma d'onda |
pinofal | 2:93bba36e0c06 | 159 | OutWave.write_u16(usaSine[nSampleOutIndex]); |
pinofal | 2:93bba36e0c06 | 160 | |
pinofal | 2:93bba36e0c06 | 161 | // incrementa l'indice del campione in output, modulo NUMSAMPLE: se NUMSAMPLE è 360, nSampleOutIndex va da 0 a 359 |
pinofal | 2:93bba36e0c06 | 162 | nSampleOutIndex++; |
pinofal | 2:93bba36e0c06 | 163 | if(nSampleOutIndex >= SAMPLESINENUM) |
pinofal | 2:93bba36e0c06 | 164 | { |
pinofal | 2:93bba36e0c06 | 165 | nSampleOutIndex=0; |
pinofal | 2:93bba36e0c06 | 166 | } |
pinofal | 2:93bba36e0c06 | 167 | |
pinofal | 2:93bba36e0c06 | 168 | } |
pinofal | 2:93bba36e0c06 | 169 | } |
pinofal | 2:93bba36e0c06 | 170 | |
pinofal | 2:93bba36e0c06 | 171 | |
pinofal | 2:93bba36e0c06 | 172 | |
pinofal | 2:93bba36e0c06 | 173 | |
pinofal | 2:93bba36e0c06 | 174 | //******************* |
pinofal | 2:93bba36e0c06 | 175 | // Loop Principale |
pinofal | 2:93bba36e0c06 | 176 | //******************* |
pinofal | 2:93bba36e0c06 | 177 | int main() |
pinofal | 2:93bba36e0c06 | 178 | { |
pinofal | 2:93bba36e0c06 | 179 | // configura velocità della comunicazione seriale su USB-VirtualCom e invia messaggio di benvenuto |
pinofal | 2:93bba36e0c06 | 180 | pc.baud(921600); //921600 bps |
pinofal | 2:93bba36e0c06 | 181 | |
pinofal | 2:93bba36e0c06 | 182 | |
pinofal | 2:93bba36e0c06 | 183 | // messaggio di benvenuto |
pinofal | 2:93bba36e0c06 | 184 | pc.printf("\r\nHallo Amaldi Students - Exercise 9 \r\n"); |
Vito1704 | 5:413f85118dd5 | 185 | pc.printf("\r\n*** Amaldi Vs Beethoven ***\r\n"); |
pinofal | 2:93bba36e0c06 | 186 | |
pinofal | 2:93bba36e0c06 | 187 | //inizializza variabili |
pinofal | 2:93bba36e0c06 | 188 | cReadChar = 0; |
pinofal | 2:93bba36e0c06 | 189 | nSampleOutIndex=0; |
pinofal | 2:93bba36e0c06 | 190 | nSampleOutCount=0; |
pinofal | 2:93bba36e0c06 | 191 | bStop=true; |
pinofal | 2:93bba36e0c06 | 192 | |
pinofal | 2:93bba36e0c06 | 193 | // test dei LED |
pinofal | 2:93bba36e0c06 | 194 | led1=1; //Verde |
pinofal | 2:93bba36e0c06 | 195 | wait_ms(1000); |
pinofal | 2:93bba36e0c06 | 196 | led1=0; |
pinofal | 2:93bba36e0c06 | 197 | led2=1; // Blu |
pinofal | 2:93bba36e0c06 | 198 | wait_ms(1000); |
pinofal | 2:93bba36e0c06 | 199 | led2=0; |
pinofal | 2:93bba36e0c06 | 200 | led3=1; //Rosso |
pinofal | 2:93bba36e0c06 | 201 | wait_ms(1000); |
pinofal | 2:93bba36e0c06 | 202 | led3=0; |
pinofal | 2:93bba36e0c06 | 203 | |
pinofal | 2:93bba36e0c06 | 204 | |
Vito1704 | 5:413f85118dd5 | 205 | |
Vito1704 | 5:413f85118dd5 | 206 | pc.printf("\r\n*** Select Score ***\r\n"); |
Vito1704 | 5:413f85118dd5 | 207 | pc.printf("\r\n> 0: Lalala land ***\r\n"); |
Vito1704 | 5:413f85118dd5 | 208 | pc.printf("\r\n> 1: Minuetto ***\r\n"); |
Vito1704 | 5:413f85118dd5 | 209 | pc.printf("\r\n> 2: Prima invenzione ***\r\n"); |
Vito1704 | 5:413f85118dd5 | 210 | pc.printf("\r\n> 3: Nona sinfonia ***\r\n"); |
Vito1704 | 5:413f85118dd5 | 211 | pc.printf("\r\n> 4: When the saint go macinin ***\r\n"); |
Vito1704 | 5:413f85118dd5 | 212 | pc.printf("\r\n> 5: Preludio ***\r\n"); |
Vito1704 | 5:413f85118dd5 | 213 | pc.printf("\r\n> 6: ***\r\n"); |
Vito1704 | 5:413f85118dd5 | 214 | pc.printf("\r\n> 7: Minuetto ***\r\n"); |
Vito1704 | 5:413f85118dd5 | 215 | pc.printf("\r\n> 8: Minuetto ***\r\n"); |
Vito1704 | 5:413f85118dd5 | 216 | pc.printf("\r\n> 9: Me Composer ***\r\n"); |
Vito1704 | 5:413f85118dd5 | 217 | //dichiarazione array pause |
Vito1704 | 5:413f85118dd5 | 218 | float pausa [7]; |
Vito1704 | 5:413f85118dd5 | 219 | pausa [1] = 1 ; //semibreve |
Vito1704 | 5:413f85118dd5 | 220 | pausa [2] = 0.5; //minima |
Vito1704 | 5:413f85118dd5 | 221 | pausa [3] = 0.25;//semiminima |
Vito1704 | 5:413f85118dd5 | 222 | pausa [4] = 0.125;//croma |
Vito1704 | 5:413f85118dd5 | 223 | pausa [5] = 0.0625;//semicroma |
Vito1704 | 5:413f85118dd5 | 224 | pausa [6] = 0.03125;//semibiscroma |
Vito1704 | 5:413f85118dd5 | 225 | //dichiarazione matrice |
Vito1704 | 5:413f85118dd5 | 226 | float note [25][7]; |
Vito1704 | 5:413f85118dd5 | 227 | note [1][1] = 261.63,1;//Do semibreve (Frequenza),(Tempo in s) |
Vito1704 | 5:413f85118dd5 | 228 | note [1][2] = 261.63,0.5;//Do minima |
Vito1704 | 5:413f85118dd5 | 229 | note [1][3] = 261.63,0.25;//Do semiminima |
Vito1704 | 5:413f85118dd5 | 230 | note [1][4] = 261.63,0.125;//Do croma |
Vito1704 | 5:413f85118dd5 | 231 | note [1][5] = 261.63,0.0625;//Do semicroma |
Vito1704 | 5:413f85118dd5 | 232 | note [1][6] = 261.63,0.03125;//Do semibiscroma |
Vito1704 | 5:413f85118dd5 | 233 | note [2][1] = 293.66,1;//Re semibreve |
Vito1704 | 5:413f85118dd5 | 234 | note [2][2] = 293.66,0.5;//Re minima |
Vito1704 | 5:413f85118dd5 | 235 | note [2][3] = 293.66,0.25;//Re semiminima |
Vito1704 | 5:413f85118dd5 | 236 | note [2][4] = 293.66,0.125;//Re croma |
Vito1704 | 5:413f85118dd5 | 237 | note [2][5] = 293.66,0.0625;//Re semicroma |
Vito1704 | 5:413f85118dd5 | 238 | note [2][6] = 293.66,0.03125;//Re semibiscroma |
Vito1704 | 5:413f85118dd5 | 239 | note [3][1] = 330.00,1;//Mi semibreve |
Vito1704 | 5:413f85118dd5 | 240 | note [3][2] = 330.00,0.5;//Mi minima |
Vito1704 | 5:413f85118dd5 | 241 | note [3][3] = 330.00,0.25;//Mi semiminima |
Vito1704 | 5:413f85118dd5 | 242 | note [3][4] = 330.00,0.125;//Mi croma |
Vito1704 | 5:413f85118dd5 | 243 | note [3][5] = 330.00,0.0625;//Mi semicroma |
Vito1704 | 5:413f85118dd5 | 244 | note [3][6] = 330.00,0.03125;//Mi semibiscroma |
Vito1704 | 5:413f85118dd5 | 245 | note [4][1] = 349.00,1;//Fa semibreve |
Vito1704 | 5:413f85118dd5 | 246 | note [4][2] = 349.00,0.5;//Fa minima |
Vito1704 | 5:413f85118dd5 | 247 | note [4][3] = 349.00,0.25;//Fa semiminima |
Vito1704 | 5:413f85118dd5 | 248 | note [4][4] = 349.00,0.125;//Fa croma |
Vito1704 | 5:413f85118dd5 | 249 | note [4][5] = 349.00,0.0625;//Fa semicroma |
Vito1704 | 5:413f85118dd5 | 250 | note [4][6] = 349.00,0.03125;//Fa semibiscroma |
Vito1704 | 5:413f85118dd5 | 251 | note [5][1] = 392.00,1;//Sol semibreve |
Vito1704 | 5:413f85118dd5 | 252 | note [5][2] = 392.00,0.5;//Sol minima |
Vito1704 | 5:413f85118dd5 | 253 | note [5][3] = 392.00,0.25;//Sol semiminima |
Vito1704 | 5:413f85118dd5 | 254 | note [5][4] = 392.00,0.125;//Sol croma |
Vito1704 | 5:413f85118dd5 | 255 | note [5][5] = 392.00,0.0625;//Sol semicroma |
Vito1704 | 5:413f85118dd5 | 256 | note [5][6] = 392.00,0.03125;//Sol semibiscroma |
Vito1704 | 5:413f85118dd5 | 257 | note [6][1] = 440.00,1;//La semibreve |
Vito1704 | 5:413f85118dd5 | 258 | note [6][2] = 440.00,0.5;//la minima |
Vito1704 | 5:413f85118dd5 | 259 | note [6][3] = 349.00,0.25;//La semiminima |
Vito1704 | 5:413f85118dd5 | 260 | note [6][4] = 440.00,0.125;//La croma |
Vito1704 | 5:413f85118dd5 | 261 | note [6][5] = 440.00,0.0625;//La semicroma |
Vito1704 | 5:413f85118dd5 | 262 | note [6][6] = 440.00,0.03125;//La semibiscroma |
Vito1704 | 5:413f85118dd5 | 263 | note [7][1] = 494.00,1;//Si semibreve |
Vito1704 | 5:413f85118dd5 | 264 | note [7][2] = 494.00,0.5;//Si minima |
Vito1704 | 5:413f85118dd5 | 265 | note [7][3] = 494.00,0.25;//Si semiminima |
Vito1704 | 5:413f85118dd5 | 266 | note [7][4] = 494.00,0.125;//Si croma |
Vito1704 | 5:413f85118dd5 | 267 | note [7][5] = 494.00,0.0625;//Si semicroma |
Vito1704 | 5:413f85118dd5 | 268 | note [7][6] = 494.00,0.03125;//Si semibiscroma |
Vito1704 | 5:413f85118dd5 | 269 | note [8][1] = 277.18,1;//Do# semibreve |
Vito1704 | 5:413f85118dd5 | 270 | note [8][2] = 277.18,0.5;//Do# minima |
Vito1704 | 5:413f85118dd5 | 271 | note [8][3] = 277.18,0.25;//Do# semiminima |
Vito1704 | 5:413f85118dd5 | 272 | note [8][4] = 277.18,0.125;//Do# croma |
Vito1704 | 5:413f85118dd5 | 273 | note [8][5] = 277.18,0.0625;//Do# semicroma |
Vito1704 | 5:413f85118dd5 | 274 | note [8][6] = 277.18,0.03125;//Do# semibiscroma |
Vito1704 | 5:413f85118dd5 | 275 | note [9][1] = 311.13,1;//Re# semibreve |
Vito1704 | 5:413f85118dd5 | 276 | note [9][2] = 311.13,0.5;//Re# minima |
Vito1704 | 5:413f85118dd5 | 277 | note [9][3] = 311.13,0.25;//Re# semiminima |
Vito1704 | 5:413f85118dd5 | 278 | note [9][4] = 311.13,0.125;//Re#croma |
Vito1704 | 5:413f85118dd5 | 279 | note [9][5] = 311.13,0.0625;//Re# semicroma |
Vito1704 | 5:413f85118dd5 | 280 | note [9][6] = 311.13,0.03125;//Re# semibiscroma |
Vito1704 | 5:413f85118dd5 | 281 | note [10][1] = 370.00,1;//Fa# semibreve |
Vito1704 | 5:413f85118dd5 | 282 | note [10][2] = 370.00,0.5;//Fa# minima |
Vito1704 | 5:413f85118dd5 | 283 | note [10][3] = 370.00,0.25;//fa# semiminima |
Vito1704 | 5:413f85118dd5 | 284 | note [10][4] = 370.00,0.125;//Fa#croma |
Vito1704 | 5:413f85118dd5 | 285 | note [10][5] = 370.00,0.0625;//Fa# semicroma |
Vito1704 | 5:413f85118dd5 | 286 | note [10][6] = 370.00,0.03125;//Fa# semibiscroma |
Vito1704 | 5:413f85118dd5 | 287 | note [11][1] = 370.00,1;//Fa# semibreve |
Vito1704 | 5:413f85118dd5 | 288 | note [11][2] = 370.00,0.5;//Fa# minima |
Vito1704 | 5:413f85118dd5 | 289 | note [11][3] = 370.00,0.25;//fa# semiminima |
Vito1704 | 5:413f85118dd5 | 290 | note [11][4] = 370.00,0.125;//Fa#croma |
Vito1704 | 5:413f85118dd5 | 291 | note [11][5] = 370.00,0.0625;//Fa# semicroma |
Vito1704 | 5:413f85118dd5 | 292 | note [11][6] = 370.00,0.03125;//Fa# semibiscroma |
Vito1704 | 5:413f85118dd5 | 293 | note [12][1] = 370.00,1;//Sol# semibreve |
Vito1704 | 5:413f85118dd5 | 294 | note [12][2] = 370.00,0.5;//Sol# minima |
Vito1704 | 5:413f85118dd5 | 295 | note [12][3] = 370.00,0.25;//Sol# semiminima |
Vito1704 | 5:413f85118dd5 | 296 | note [12][4] = 370.00,0.125;//Sol#croma |
Vito1704 | 5:413f85118dd5 | 297 | note [12][5] = 370.00,0.0625;//Sol# semicroma |
Vito1704 | 5:413f85118dd5 | 298 | note [12][6] = 370.00,0.03125;//Sol# semibiscroma |
Vito1704 | 5:413f85118dd5 | 299 | note [13][1] = 370.00,1;//La# semibreve |
Vito1704 | 5:413f85118dd5 | 300 | note [13][2] = 370.00,0.5;//La# minima |
Vito1704 | 5:413f85118dd5 | 301 | note [13][3] = 370.00,0.25;//La# semiminima |
Vito1704 | 5:413f85118dd5 | 302 | note [13][4] = 370.00,0.125;//La#croma |
Vito1704 | 5:413f85118dd5 | 303 | note [13][5] = 370.00,0.0625;//La# semicroma |
Vito1704 | 5:413f85118dd5 | 304 | note [13][6] = 370.00,0.03125;//La# semibiscroma |
Vito1704 | 5:413f85118dd5 | 305 | note [14][1] = 523.00,1;//Do 5° semibreve |
Vito1704 | 5:413f85118dd5 | 306 | note [14][2] = 523.00,0.5;//Do 5° minima |
Vito1704 | 5:413f85118dd5 | 307 | note [14][3] = 523.00,0.25;//Do 5° semiminima |
Vito1704 | 5:413f85118dd5 | 308 | note [14][4] = 523.00,0.125;//Do 5° croma |
Vito1704 | 5:413f85118dd5 | 309 | note [14][5] = 523.00,0.0625;//Do 5° semicroma |
Vito1704 | 5:413f85118dd5 | 310 | note [14][6] = 523.00,0.03125;//Do 5° semibiscroma |
Vito1704 | 5:413f85118dd5 | 311 | note [15][1] = 523.00,1;//Do# 5° semibreve |
Vito1704 | 5:413f85118dd5 | 312 | note [15][2] = 523.00,0.5;//Do# 5° minima |
Vito1704 | 5:413f85118dd5 | 313 | note [15][3] = 523.00,0.25;//Do# 5° semiminima |
Vito1704 | 5:413f85118dd5 | 314 | note [15][4] = 523.00,0.125;//Do# 5° croma |
Vito1704 | 5:413f85118dd5 | 315 | note [15][5] = 523.00,0.0625;//Do# 5° semicroma |
Vito1704 | 5:413f85118dd5 | 316 | note [15][6] = 523.00,0.03125;//Do# 5° semibiscroma |
Vito1704 | 5:413f85118dd5 | 317 | note [16][1] = 622.00,1;//Re# 5° semibreve |
Vito1704 | 5:413f85118dd5 | 318 | note [16][2] = 622.00,0.5;//Re# 5° minima |
Vito1704 | 5:413f85118dd5 | 319 | note [16][3] = 622.00,0.25;//Re# 5° semiminima |
Vito1704 | 5:413f85118dd5 | 320 | note [16][4] = 622.00,0.125;//Re# 5° croma |
Vito1704 | 5:413f85118dd5 | 321 | note [16][5] = 622.00,0.0625;//Re# 5° semicroma |
Vito1704 | 5:413f85118dd5 | 322 | note [16][6] = 622.00,0.03125;//Re# 5° semibiscroma |
Vito1704 | 5:413f85118dd5 | 323 | note [17][1] = 587.00,1;//Re 5° semibreve |
Vito1704 | 5:413f85118dd5 | 324 | note [17][2] = 587.00,0.5;//Re 5° minima |
Vito1704 | 5:413f85118dd5 | 325 | note [17][3] = 587.00,0.25;//Re 5° semiminima |
Vito1704 | 5:413f85118dd5 | 326 | note [17][4] = 587.00,0.125;//Re 5° croma |
Vito1704 | 5:413f85118dd5 | 327 | note [17][5] = 587.00,0.0625;//Re 5° semicroma |
Vito1704 | 5:413f85118dd5 | 328 | note [17][6] = 587.00,0.03125;//Re 5° semibiscroma |
Vito1704 | 5:413f85118dd5 | 329 | note [18][1] = 659.00,1;//Mi 5° semibreve |
Vito1704 | 5:413f85118dd5 | 330 | note [18][2] = 659.00,0.5;//Mi 5° minima |
Vito1704 | 5:413f85118dd5 | 331 | note [18][3] = 659.00,0.25;//Mi 5° semiminima |
Vito1704 | 5:413f85118dd5 | 332 | note [18][4] = 659.00,0.125;//Mi 5° croma |
Vito1704 | 5:413f85118dd5 | 333 | note [18][5] = 659.00,0.0625;//Mi 5° semicroma |
Vito1704 | 5:413f85118dd5 | 334 | note [18][6] = 659.00,0.03125;//Mi 5° semibiscroma |
Vito1704 | 5:413f85118dd5 | 335 | note [19][1] = 698.00,1;//Fa 5° semibreve |
Vito1704 | 5:413f85118dd5 | 336 | note [19][2] = 698.00,0.5;//Fa 5° minima |
Vito1704 | 5:413f85118dd5 | 337 | note [19][3] = 698.00,0.25;//Fa 5° semiminima |
Vito1704 | 5:413f85118dd5 | 338 | note [19][4] = 698.00,0.125;//Fa 5° croma |
Vito1704 | 5:413f85118dd5 | 339 | note [19][5] = 698.00,0.0625;//Fa 5° semicroma |
Vito1704 | 5:413f85118dd5 | 340 | note [19][6] = 698.00,0.03125;//Fa 5° semibiscroma |
Vito1704 | 5:413f85118dd5 | 341 | note [20][1] = 740.00,1;//Fa# 5° semibreve |
Vito1704 | 5:413f85118dd5 | 342 | note [20][2] = 740.00,0.5;//Fa# 5° minima |
Vito1704 | 5:413f85118dd5 | 343 | note [20][3] = 740.00,0.25;//Fa# 5° semiminima |
Vito1704 | 5:413f85118dd5 | 344 | note [20][4] = 740.00,0.125;//Fa# 5° croma |
Vito1704 | 5:413f85118dd5 | 345 | note [20][5] = 740.00,0.0625;//Fa# 5° semicroma |
Vito1704 | 5:413f85118dd5 | 346 | note [20][6] = 740.00,0.03125;//Fa# 5° semibiscroma |
Vito1704 | 5:413f85118dd5 | 347 | note [21][1] = 784.00,1;//Sol 5° semibreve |
Vito1704 | 5:413f85118dd5 | 348 | note [21][2] = 784.00,0.5;//Sol 5° minima |
Vito1704 | 5:413f85118dd5 | 349 | note [21][3] = 784.00,0.25;//Sol 5° semiminima |
Vito1704 | 5:413f85118dd5 | 350 | note [21][4] = 784.00,0.125;//Sol 5° croma |
Vito1704 | 5:413f85118dd5 | 351 | note [21][5] = 784.00,0.0625;//Sol 5° semicroma |
Vito1704 | 5:413f85118dd5 | 352 | note [21][6] = 784.00,0.03125;//Sol 5° semibiscroma |
Vito1704 | 5:413f85118dd5 | 353 | note [22][1] = 831.00,1;//Sol# 5° semibreve |
Vito1704 | 5:413f85118dd5 | 354 | note [22][2] = 831.00,0.5;//Sol# 5° minima |
Vito1704 | 5:413f85118dd5 | 355 | note [22][3] = 831.00,0.25;//Sol# 5° semiminima |
Vito1704 | 5:413f85118dd5 | 356 | note [22][4] = 831.00,0.125;//Sol# 5° croma |
Vito1704 | 5:413f85118dd5 | 357 | note [22][5] = 831.00,0.0625;//Sol# 5° semicroma |
Vito1704 | 5:413f85118dd5 | 358 | note [22][6] = 831.00,0.03125;//Sol# 5° semibiscroma |
Vito1704 | 5:413f85118dd5 | 359 | note [23][1] = 880.00,1;//La 5° semibreve |
Vito1704 | 5:413f85118dd5 | 360 | note [23][2] = 880.00,0.5;//La 5° minima |
Vito1704 | 5:413f85118dd5 | 361 | note [23][3] = 880.00,0.25;//La 5° semiminima |
Vito1704 | 5:413f85118dd5 | 362 | note [23][4] = 880.00,0.125;//La 5° croma |
Vito1704 | 5:413f85118dd5 | 363 | note [23][5] = 880.00,0.0625;//La 5° semicroma |
Vito1704 | 5:413f85118dd5 | 364 | note [23][6] = 880.00,0.03125;//La 5° semibiscroma |
Vito1704 | 5:413f85118dd5 | 365 | note [24][1] = 932.00,1;//La# 5° semibreve |
Vito1704 | 5:413f85118dd5 | 366 | note [24][2] = 932.00,0.5;//La# 5° minima |
Vito1704 | 5:413f85118dd5 | 367 | note [24][3] = 932.00,0.25;//La# 5° semiminima |
Vito1704 | 5:413f85118dd5 | 368 | note [24][4] = 932.00,0.125;//La# 5° croma |
Vito1704 | 5:413f85118dd5 | 369 | note [24][5] = 932.00,0.0625;//La# 5° semicroma |
Vito1704 | 5:413f85118dd5 | 370 | note [24][6] = 932.00,0.03125;//La# 5° semibiscroma |
Vito1704 | 5:413f85118dd5 | 371 | note [25][1] = 988.00,1;//Si 5° semibreve |
Vito1704 | 5:413f85118dd5 | 372 | note [25][2] = 988.00,0.5;//Si 5° minima |
Vito1704 | 5:413f85118dd5 | 373 | note [25][3] = 988.00,0.25;//Si 5° semiminima |
Vito1704 | 5:413f85118dd5 | 374 | note [25][4] = 988.00,0.125;//Si 5° croma |
Vito1704 | 5:413f85118dd5 | 375 | note [25][5] = 988.00,0.0625;//Si 5° semicroma |
Vito1704 | 5:413f85118dd5 | 376 | note [25][6] = 988.00,0.03125;//Si 5° semibiscroma |
pinofal | 2:93bba36e0c06 | 377 | while(true) |
pinofal | 2:93bba36e0c06 | 378 | { |
pinofal | 2:93bba36e0c06 | 379 | // verifica se è arrivato un carattere dalla seriale del pc |
pinofal | 2:93bba36e0c06 | 380 | if(pc.readable()) |
pinofal | 2:93bba36e0c06 | 381 | { |
pinofal | 2:93bba36e0c06 | 382 | cReadChar = pc.getc(); // Read hyperterminal |
Vito1704 | 5:413f85118dd5 | 383 | |
Vito1704 | 5:413f85118dd5 | 384 | |
pinofal | 2:93bba36e0c06 | 385 | // genera la nota corrispondente al carattere ricevuto |
pinofal | 2:93bba36e0c06 | 386 | switch(cReadChar) |
pinofal | 2:93bba36e0c06 | 387 | { |
francesco01 | 3:3895d3f389b5 | 388 | //La# |
francesco01 | 4:6225b049c06b | 389 | case 'u': |
francesco01 | 4:6225b049c06b | 390 | case 'U': |
francesco01 | 3:3895d3f389b5 | 391 | { |
francesco01 | 3:3895d3f389b5 | 392 | fFreq=466.16;// frequenza della sinusoide La# |
francesco01 | 3:3895d3f389b5 | 393 | pc.printf("\n\r--- Generazione La#_SIb= %.2f Hz ampiezza nominale ---\n\r", fFreq); |
francesco01 | 3:3895d3f389b5 | 394 | bStop = false; |
francesco01 | 3:3895d3f389b5 | 395 | } break; |
francesco01 | 3:3895d3f389b5 | 396 | //sol# |
francesco01 | 4:6225b049c06b | 397 | case 'y': |
francesco01 | 4:6225b049c06b | 398 | case 'Y': |
francesco01 | 3:3895d3f389b5 | 399 | { |
francesco01 | 3:3895d3f389b5 | 400 | fFreq=415.3;// frequenza della sinusoide Sol# |
francesco01 | 3:3895d3f389b5 | 401 | pc.printf("\n\r--- Generazione Sol#_LAb = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
francesco01 | 3:3895d3f389b5 | 402 | bStop = false; |
francesco01 | 3:3895d3f389b5 | 403 | } break; |
francesco01 | 3:3895d3f389b5 | 404 | //Sol_b |
francesco01 | 4:6225b049c06b | 405 | case 't': |
francesco01 | 4:6225b049c06b | 406 | case 'T': |
francesco01 | 3:3895d3f389b5 | 407 | { |
francesco01 | 3:3895d3f389b5 | 408 | fFreq=369.99;// frequenza della sinusoide Sol_b |
francesco01 | 3:3895d3f389b5 | 409 | pc.printf("\n\r--- Generazione Solb_Fa# = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
francesco01 | 3:3895d3f389b5 | 410 | bStop = false; |
francesco01 | 3:3895d3f389b5 | 411 | } break; |
francesco01 | 3:3895d3f389b5 | 412 | //DO# |
francesco01 | 3:3895d3f389b5 | 413 | case 'e': |
francesco01 | 3:3895d3f389b5 | 414 | case 'E': |
francesco01 | 3:3895d3f389b5 | 415 | { |
francesco01 | 3:3895d3f389b5 | 416 | fFreq=277.18;// frequenza della sinusoide DO diesis |
francesco01 | 3:3895d3f389b5 | 417 | pc.printf("\n\r--- Generazione DO# = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
francesco01 | 3:3895d3f389b5 | 418 | bStop = false; |
francesco01 | 3:3895d3f389b5 | 419 | } break; |
pinofal | 2:93bba36e0c06 | 420 | //DO |
francesco01 | 3:3895d3f389b5 | 421 | case 'd': |
francesco01 | 3:3895d3f389b5 | 422 | case 'D': |
pinofal | 2:93bba36e0c06 | 423 | { |
pinofal | 2:93bba36e0c06 | 424 | fFreq=261.63;// frequenza della sinusoide DO da generare |
pinofal | 2:93bba36e0c06 | 425 | pc.printf("\n\r--- Generazione DO = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
pinofal | 2:93bba36e0c06 | 426 | bStop = false; |
pinofal | 2:93bba36e0c06 | 427 | } break; |
pinofal | 2:93bba36e0c06 | 428 | // RE |
francesco01 | 3:3895d3f389b5 | 429 | case 'f': |
francesco01 | 3:3895d3f389b5 | 430 | case 'F': |
pinofal | 2:93bba36e0c06 | 431 | { |
pinofal | 2:93bba36e0c06 | 432 | fFreq=293.66;// frequenza della sinusoide RE da generare |
pinofal | 2:93bba36e0c06 | 433 | pc.printf("\n\r--- Generazione RE = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
pinofal | 2:93bba36e0c06 | 434 | bStop = false; |
pinofal | 2:93bba36e0c06 | 435 | } break; |
pinofal | 2:93bba36e0c06 | 436 | // RE#/MIb |
francesco01 | 3:3895d3f389b5 | 437 | case 'r': |
francesco01 | 3:3895d3f389b5 | 438 | case 'R': |
pinofal | 2:93bba36e0c06 | 439 | { |
pinofal | 2:93bba36e0c06 | 440 | fFreq=311.13; |
pinofal | 2:93bba36e0c06 | 441 | pc.printf("\n\r--- Generazione Mib = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
pinofal | 2:93bba36e0c06 | 442 | bStop = false; |
pinofal | 2:93bba36e0c06 | 443 | } break; |
francesco01 | 3:3895d3f389b5 | 444 | case 'g': |
francesco01 | 3:3895d3f389b5 | 445 | case 'G': |
pinofal | 2:93bba36e0c06 | 446 | { |
pinofal | 2:93bba36e0c06 | 447 | fFreq=329.63; // frequenza della sinusoide MI da generare |
pinofal | 2:93bba36e0c06 | 448 | pc.printf("\n\r--- Generazione MI = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
pinofal | 2:93bba36e0c06 | 449 | bStop = false; |
pinofal | 2:93bba36e0c06 | 450 | } break; |
francesco01 | 3:3895d3f389b5 | 451 | case 'h': |
francesco01 | 3:3895d3f389b5 | 452 | case 'H': |
pinofal | 2:93bba36e0c06 | 453 | { |
pinofal | 2:93bba36e0c06 | 454 | fFreq=349.23;// frequenza della sinusoide FA da generare |
pinofal | 2:93bba36e0c06 | 455 | pc.printf("\n\r--- Generazione FA = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
pinofal | 2:93bba36e0c06 | 456 | bStop = false; |
pinofal | 2:93bba36e0c06 | 457 | } break; |
pinofal | 2:93bba36e0c06 | 458 | |
pinofal | 2:93bba36e0c06 | 459 | // SOL |
francesco01 | 3:3895d3f389b5 | 460 | case 'j': |
francesco01 | 3:3895d3f389b5 | 461 | case 'J': |
pinofal | 2:93bba36e0c06 | 462 | { |
pinofal | 2:93bba36e0c06 | 463 | fFreq=392.0; |
pinofal | 2:93bba36e0c06 | 464 | pc.printf("\n\r--- Generazione SOL = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
pinofal | 2:93bba36e0c06 | 465 | bStop = false; |
pinofal | 2:93bba36e0c06 | 466 | } break; |
pinofal | 2:93bba36e0c06 | 467 | // LA |
francesco01 | 3:3895d3f389b5 | 468 | case 'k': |
francesco01 | 3:3895d3f389b5 | 469 | case 'K': |
pinofal | 2:93bba36e0c06 | 470 | { |
pinofal | 2:93bba36e0c06 | 471 | fFreq=440.0; // frequenza della sinusoide LA da generare |
pinofal | 2:93bba36e0c06 | 472 | pc.printf("\n\r--- Generazione LA = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
pinofal | 2:93bba36e0c06 | 473 | bStop = false; |
pinofal | 2:93bba36e0c06 | 474 | } break; |
pinofal | 2:93bba36e0c06 | 475 | //SI |
francesco01 | 3:3895d3f389b5 | 476 | case 'l': |
francesco01 | 3:3895d3f389b5 | 477 | case 'L': |
pinofal | 2:93bba36e0c06 | 478 | { |
pinofal | 2:93bba36e0c06 | 479 | fFreq=493.88;// frequenza della sinusoide SI da generare |
pinofal | 2:93bba36e0c06 | 480 | pc.printf("\n\r--- Generazione SI = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
pinofal | 2:93bba36e0c06 | 481 | bStop = false; |
pinofal | 2:93bba36e0c06 | 482 | } break; |
Vito1704 | 5:413f85118dd5 | 483 | //DO 5° |
Vito1704 | 5:413f85118dd5 | 484 | case 'z': |
Vito1704 | 5:413f85118dd5 | 485 | case 'Z': |
Vito1704 | 5:413f85118dd5 | 486 | { |
Vito1704 | 5:413f85118dd5 | 487 | fFreq=523.00;// frequenza della sinusoide SI da generare |
Vito1704 | 5:413f85118dd5 | 488 | pc.printf("\n\r--- Generazione DO5 = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
Vito1704 | 5:413f85118dd5 | 489 | bStop = false; |
Vito1704 | 5:413f85118dd5 | 490 | } break; |
Vito1704 | 5:413f85118dd5 | 491 | //RE 5° |
Vito1704 | 5:413f85118dd5 | 492 | case 'x': |
Vito1704 | 5:413f85118dd5 | 493 | case 'X': |
Vito1704 | 5:413f85118dd5 | 494 | { |
Vito1704 | 5:413f85118dd5 | 495 | fFreq=587.00;// frequenza della sinusoide SI da generare |
Vito1704 | 5:413f85118dd5 | 496 | pc.printf("\n\r--- Generazione RE5 = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
Vito1704 | 5:413f85118dd5 | 497 | bStop = false; |
Vito1704 | 5:413f85118dd5 | 498 | } break; |
pinofal | 2:93bba36e0c06 | 499 | |
pinofal | 2:93bba36e0c06 | 500 | // pausa |
pinofal | 2:93bba36e0c06 | 501 | case ' ': |
pinofal | 2:93bba36e0c06 | 502 | { |
francesco01 | 4:6225b049c06b | 503 | bStop = true; |
francesco01 | 4:6225b049c06b | 504 | pc.printf("\n\r--- Generazione pausa = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
francesco01 | 4:6225b049c06b | 505 | |
pinofal | 2:93bba36e0c06 | 506 | } break; |
Vito1704 | 5:413f85118dd5 | 507 | //prova |
Vito1704 | 5:413f85118dd5 | 508 | case 'o': |
Vito1704 | 5:413f85118dd5 | 509 | { |
Vito1704 | 5:413f85118dd5 | 510 | fFreq=587.00; |
Vito1704 | 5:413f85118dd5 | 511 | wait_ms(600); |
Vito1704 | 5:413f85118dd5 | 512 | fFreq=392.00; |
Vito1704 | 5:413f85118dd5 | 513 | wait_ms(300); |
Vito1704 | 5:413f85118dd5 | 514 | fFreq=440.00; |
Vito1704 | 5:413f85118dd5 | 515 | wait_ms(300); |
Vito1704 | 5:413f85118dd5 | 516 | fFreq=493.88; |
Vito1704 | 5:413f85118dd5 | 517 | wait_ms(300); |
Vito1704 | 5:413f85118dd5 | 518 | fFreq=523.16; |
Vito1704 | 5:413f85118dd5 | 519 | wait_ms(300); |
Vito1704 | 5:413f85118dd5 | 520 | } break; |
Vito1704 | 5:413f85118dd5 | 521 | //Stop |
francesco01 | 4:6225b049c06b | 522 | case 'b': |
francesco01 | 4:6225b049c06b | 523 | case 'B': |
francesco01 | 4:6225b049c06b | 524 | { |
francesco01 | 4:6225b049c06b | 525 | |
francesco01 | 4:6225b049c06b | 526 | fFreq=0;// stop |
francesco01 | 4:6225b049c06b | 527 | pc.printf("\n\r--- Generazione Stop = %.2f Hz ampiezza nominale ---\n\r", fFreq); |
francesco01 | 4:6225b049c06b | 528 | bStop = false; |
francesco01 | 4:6225b049c06b | 529 | } break; |
francesco01 | 4:6225b049c06b | 530 | |
pinofal | 2:93bba36e0c06 | 531 | default: |
pinofal | 2:93bba36e0c06 | 532 | { |
pinofal | 2:93bba36e0c06 | 533 | bStop=true; // se la nota non è riconosciuta blocca la generazione |
pinofal | 2:93bba36e0c06 | 534 | pc.printf("\n\r--- Wrong Tone ---\n\r"); |
pinofal | 2:93bba36e0c06 | 535 | } break; |
pinofal | 2:93bba36e0c06 | 536 | } // switch (cReadChar) |
pinofal | 2:93bba36e0c06 | 537 | |
pinofal | 2:93bba36e0c06 | 538 | // genera la frequenza relativa alla nota che è stata selezionata |
pinofal | 2:93bba36e0c06 | 539 | fAmp = 0.1; // coefficiente per il quale viene moltiplicato l'ampiezza massima |
pinofal | 2:93bba36e0c06 | 540 | fDeltaT = 1.0/(fFreq*SAMPLESINENUM); |
pinofal | 2:93bba36e0c06 | 541 | CalculateSinewave(32767, (32767*fAmp), (PI/2.0)); // generazione della sinusoide con valori nominali |
pinofal | 2:93bba36e0c06 | 542 | SampleOutTicker.attach(&SampleOut,fDeltaT); // avvia output della sinusoide per generazione |
Vito1704 | 5:413f85118dd5 | 543 | |
pinofal | 2:93bba36e0c06 | 544 | |
pinofal | 2:93bba36e0c06 | 545 | } |
pinofal | 2:93bba36e0c06 | 546 | else // se non è stato premuto nessun tasto |
pinofal | 2:93bba36e0c06 | 547 | { |
pinofal | 2:93bba36e0c06 | 548 | |
pinofal | 2:93bba36e0c06 | 549 | } |
pinofal | 2:93bba36e0c06 | 550 | } |
pinofal | 2:93bba36e0c06 | 551 | |
pinofal | 2:93bba36e0c06 | 552 | /******* START ONDA DIGITALE FUNZIONA ***** |
pinofal | 2:93bba36e0c06 | 553 | led1=1; |
pinofal | 2:93bba36e0c06 | 554 | led2=1; |
pinofal | 2:93bba36e0c06 | 555 | led3=1; |
pinofal | 2:93bba36e0c06 | 556 | while(true) |
pinofal | 2:93bba36e0c06 | 557 | { |
pinofal | 2:93bba36e0c06 | 558 | DigitalWave=0; |
pinofal | 2:93bba36e0c06 | 559 | //wait_us(2024); //SI |
pinofal | 2:93bba36e0c06 | 560 | //wait_us(2551); //SOL |
pinofal | 2:93bba36e0c06 | 561 | wait_us(1515); //MI |
pinofal | 2:93bba36e0c06 | 562 | DigitalWave=1; |
pinofal | 2:93bba36e0c06 | 563 | wait_us(1515); |
pinofal | 2:93bba36e0c06 | 564 | } |
pinofal | 2:93bba36e0c06 | 565 | ****** END ONDA DIGITALE FUNZIONA ******/ |
pinofal | 2:93bba36e0c06 | 566 | } |