Amaldi / Mbed 2 deprecated DISCO_L496AG-LCD-prova_2

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Dependencies:   mbed BSP_DISCO_L496AG

main.cpp@0:817b136c4489, 2019-04-26 (annotated)

Committer:
Vito1704
Date:
Fri Apr 26 15:51:52 2019 +0000
Revision:
0:817b136c4489
Child:
1:4baec1317561
Sound generation for stm32l496g disco

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vito1704 0:817b136c4489 1 #include "mbed.h"
Vito1704 0:817b136c4489 2 #include "stm32l496g_discovery_lcd.h"
Vito1704 0:817b136c4489 3 #include "stm32l496g_discovery_audio.h"
Vito1704 0:817b136c4489 4
Vito1704 0:817b136c4489 5 #define BSP_AUDIO_OUT_STEREOMODE ((uint32_t)0x00000004) /* STEREO MODE */
Vito1704 0:817b136c4489 6 #define BSP_AUDIO_FREQUENCY_44K SAI_AUDIO_FREQUENCY_44K // Frequenza di campionamento
Vito1704 0:817b136c4489 7 #define AUDIODATA_SIZE 2 /* 16-bits audio data size */
Vito1704 0:817b136c4489 8 #define DEFAULT_AUDIO_OUT_CHANNEL_NBR ((uint8_t)2) // Stereo 2
Vito1704 0:817b136c4489 9
Vito1704 0:817b136c4489 10 // definizione durata note
Vito1704 0:817b136c4489 11 #define SEMIBREVE 2000000 // durata della semibreve in microsecondi = 4sec
Vito1704 0:817b136c4489 12 #define MINIMA SEMIBREVE/2
Vito1704 0:817b136c4489 13 #define SEMIMINIMA SEMIBREVE/4
Vito1704 0:817b136c4489 14 #define CROMA SEMIBREVE/8
Vito1704 0:817b136c4489 15 #define SEMICROMA CROMA/16
Vito1704 0:817b136c4489 16 #define BISCROMA SEMIBREVE/32
Vito1704 0:817b136c4489 17 #define SEMIBISCROMA SEMIBREVE/64
Vito1704 0:817b136c4489 18 #define SBRMIN SEMIBREVE+SEMIMINIMA
Vito1704 0:817b136c4489 19 #define MINSEMIN MINIMA+SEMIMINIMA
Vito1704 0:817b136c4489 20 #define SEMCROMA SEMIMINIMA+CROMA
Vito1704 0:817b136c4489 21 #define SEMCROMCROM SEMICROMA+CROMA
Vito1704 0:817b136c4489 22
Vito1704 0:817b136c4489 23 // definizione della frequenza delle note ottava centrale del pianoforte
Vito1704 0:817b136c4489 24 #define m 0
Vito1704 0:817b136c4489 25 #define C4 261.63
Vito1704 0:817b136c4489 26 #define C1d 277.18
Vito1704 0:817b136c4489 27 #define D1b 277.18
Vito1704 0:817b136c4489 28 #define D1 293.66
Vito1704 0:817b136c4489 29 #define D1d 311.13
Vito1704 0:817b136c4489 30 #define E1b 311.13
Vito1704 0:817b136c4489 31 #define E1 329.63
Vito1704 0:817b136c4489 32 #define F1 349.23
Vito1704 0:817b136c4489 33 #define F1d 369.99
Vito1704 0:817b136c4489 34 #define G1b 369.99
Vito1704 0:817b136c4489 35 #define G4 392.0
Vito1704 0:817b136c4489 36 #define G1d 415.3
Vito1704 0:817b136c4489 37 #define A1b 415.3
Vito1704 0:817b136c4489 38 #define A1 440.0
Vito1704 0:817b136c4489 39 #define A1d 466.16
Vito1704 0:817b136c4489 40 #define B1b 466.16
Vito1704 0:817b136c4489 41 #define B1 493.18
Vito1704 0:817b136c4489 42 #define F5 698.0
Vito1704 0:817b136c4489 43 #define G5 784.0
Vito1704 0:817b136c4489 44 #define E5b 622.0
Vito1704 0:817b136c4489 45 #define C5 523.0
Vito1704 0:817b136c4489 46 #define LA4 440.0
Vito1704 0:817b136c4489 47 #define LA4d 466.0
Vito1704 0:817b136c4489 48 #define D4 294.0
Vito1704 0:817b136c4489 49 #define D4d 311.0
Vito1704 0:817b136c4489 50 #define B4 494.0
Vito1704 0:817b136c4489 51 #define F4 349.0
Vito1704 0:817b136c4489 52 #define F4d 370.0
Vito1704 0:817b136c4489 53 #define B4b 466.0
Vito1704 0:817b136c4489 54 #define A4b 415.0
Vito1704 0:817b136c4489 55 #define E4 330.0
Vito1704 0:817b136c4489 56 #define C6 1046.0
Vito1704 0:817b136c4489 57 #define C7 2093.0
Vito1704 0:817b136c4489 58 #define B5 988.0
Vito1704 0:817b136c4489 59 #define G7 3136.0
Vito1704 0:817b136c4489 60 #define D6 1175.0
Vito1704 0:817b136c4489 61 #define E4b 311.0
Vito1704 0:817b136c4489 62 #define E5 659.0
Vito1704 0:817b136c4489 63 #define G5 784.0
Vito1704 0:817b136c4489 64 #define A5b 831.0
Vito1704 0:817b136c4489 65 #define B5b 932.0
Vito1704 0:817b136c4489 66 #define C8 4186.0
Vito1704 0:817b136c4489 67 #define G4 392.0
Vito1704 0:817b136c4489 68 #define F4d 370.0
Vito1704 0:817b136c4489 69 #define C4d 277.0
Vito1704 0:817b136c4489 70 #define A4d 466.0
Vito1704 0:817b136c4489 71 #define C5d 554.0
Vito1704 0:817b136c4489 72 #define F4d 370.0
Vito1704 0:817b136c4489 73 #define F5d 698.0
Vito1704 0:817b136c4489 74 #define A4 440.0
Vito1704 0:817b136c4489 75 #define D5 587.0
Vito1704 0:817b136c4489 76 #define A5d 932.0
Vito1704 0:817b136c4489 77 #define D5d 622.0
Vito1704 0:817b136c4489 78
Vito1704 0:817b136c4489 79 // numero di campioni che compongono un periodo della sinusoide in Output sull'ADC
Vito1704 0:817b136c4489 80 #define SAMPLESINENUM 45// consigliabile avere multipli di 45
Vito1704 0:817b136c4489 81
Vito1704 0:817b136c4489 82 // parametri dell'onda coseno da generare
Vito1704 0:817b136c4489 83 #define PI (3.141592653589793238462)
Vito1704 0:817b136c4489 84 #define AMPLITUDE 32767 //(1.0) // x * 3.3V
Vito1704 0:817b136c4489 85 #define PHASE (PI/2) // 2*pi è un periodo
Vito1704 0:817b136c4489 86 #define OFFSET 32767 //(0x7FFF)
Vito1704 0:817b136c4489 87
Vito1704 0:817b136c4489 88 // numero di note componenti la scala diatonica
Vito1704 0:817b136c4489 89 #define NUMTONE 120
Vito1704 0:817b136c4489 90
Vito1704 0:817b136c4489 91 // ticker per la generazione dell'onda con DAC
Vito1704 0:817b136c4489 92 Ticker SampleOutTicker;
Vito1704 0:817b136c4489 93
Vito1704 0:817b136c4489 94 // Buffer contenente la sinusoide da porre in output.
Vito1704 0:817b136c4489 95 unsigned short usaSine[SAMPLESINENUM];
Vito1704 0:817b136c4489 96
Vito1704 0:817b136c4489 97 // prototipo di funzione che genera i campioni della sinusoide da utilizzare per la generazione tramite DAC
Vito1704 0:817b136c4489 98 void CalculateSinewave(void);
Vito1704 0:817b136c4489 99 // cSoundWave = 0 for sine and = 1 for square
Vito1704 0:817b136c4489 100 char cSoundWave;
Vito1704 0:817b136c4489 101
Vito1704 0:817b136c4489 102 void CalculateSinewave(int nOffset, int nAmplitude, double fPhase)
Vito1704 0:817b136c4489 103 {
Vito1704 0:817b136c4489 104 // variabile contenente l'angolo in radianti
Vito1704 0:817b136c4489 105 double fRads;
Vito1704 0:817b136c4489 106 // indici per i cicli
Vito1704 0:817b136c4489 107 int nIndex;
Vito1704 0:817b136c4489 108 // passo in frequenza fissato dal numero di campioni in cui voglio dividere un periodo di sinusoide: DeltaF = 360°/NUMSAMPLE
Vito1704 0:817b136c4489 109 double fDeltaF;
Vito1704 0:817b136c4489 110 // angolo per il quale bisogna calcolare il valore di sinusoide: fAngle = nIndex*DeltaF
Vito1704 0:817b136c4489 111 double fAngle;
Vito1704 0:817b136c4489 112
Vito1704 0:817b136c4489 113 // a seconda della selezione, genera una diversa forma d'onda
Vito1704 0:817b136c4489 114 // ATTENZIONE ----- SAREBBE MEGLIO CAMBIARE IL NOME DELL'ARRAY in usaWave[] !!!!! ----
Vito1704 0:817b136c4489 115 if(cSoundWave=='0')
Vito1704 0:817b136c4489 116 {
Vito1704 0:817b136c4489 117 // genera forma d'onda sinusoidale
Vito1704 0:817b136c4489 118 fDeltaF = 360.0/SAMPLESINENUM;
Vito1704 0:817b136c4489 119 for (nIndex = 0; nIndex < SAMPLESINENUM; nIndex++)
Vito1704 0:817b136c4489 120 {
Vito1704 0:817b136c4489 121 fAngle = nIndex*fDeltaF; // angolo per il quale bisogna calcolare il campione di sinusoide
Vito1704 0:817b136c4489 122 fRads = (PI * fAngle)/180.0; // Convert degree in radian
Vito1704 0:817b136c4489 123 //usaSine[nIndex] = AMPLITUDE * cos(fRads + PHASE) + OFFSET;
Vito1704 0:817b136c4489 124 usaSine[nIndex] = nAmplitude * cos(fRads + fPhase) + nOffset;
Vito1704 0:817b136c4489 125 }
Vito1704 0:817b136c4489 126 }
Vito1704 0:817b136c4489 127 else
Vito1704 0:817b136c4489 128 {
Vito1704 0:817b136c4489 129 // genera forma d'onda quadra.
Vito1704 0:817b136c4489 130 for (nIndex = 0; nIndex < SAMPLESINENUM/2; nIndex++)
Vito1704 0:817b136c4489 131 {
Vito1704 0:817b136c4489 132 usaSine[nIndex] = nAmplitude*(1.0)+ nOffset;
Vito1704 0:817b136c4489 133 }
Vito1704 0:817b136c4489 134 for (nIndex = SAMPLESINENUM/2; nIndex < SAMPLESINENUM; nIndex++)
Vito1704 0:817b136c4489 135 {
Vito1704 0:817b136c4489 136 usaSine[nIndex] = nAmplitude*(-1.0)+ nOffset;
Vito1704 0:817b136c4489 137 }
Vito1704 0:817b136c4489 138 }
Vito1704 0:817b136c4489 139 }
Vito1704 0:817b136c4489 140
Vito1704 0:817b136c4489 141
Vito1704 0:817b136c4489 142 int main()
Vito1704 0:817b136c4489 143 {
Vito1704 0:817b136c4489 144 BSP_LCD_Init();
Vito1704 0:817b136c4489 145
Vito1704 0:817b136c4489 146 // indice per i cicli
Vito1704 0:817b136c4489 147 int nIndex;
Vito1704 0:817b136c4489 148
Vito1704 0:817b136c4489 149 // numero di note che compongono il brano
Vito1704 0:817b136c4489 150 #define WHENDURATION 32 // numero di note che compongono il brano
Vito1704 0:817b136c4489 151 // note del brano
Vito1704 0:817b136c4489 152 float fNoteWhen [WHENDURATION] = {D4, F4d, G4, A1, D4, F4d, G4, A1, D4, F4d, G4, A1, F4d,
Vito1704 0:817b136c4489 153 D4, F4d, E4, F4d, F4d, E4, D4, D4, F4d, A1, A1, G4, F4d, G4, A1, F4d, D4, E4, D4};
Vito1704 0:817b136c4489 154 // durata delle note del brano
Vito1704 0:817b136c4489 155 float fLengthWhen[WHENDURATION] ={SEMIMINIMA, SEMIMINIMA, SEMIMINIMA, SBRMIN, SEMIMINIMA,
Vito1704 0:817b136c4489 156 SEMIMINIMA, SEMIMINIMA, SBRMIN, SEMIMINIMA, SEMIMINIMA, SEMIMINIMA, MINIMA, MINIMA,
Vito1704 0:817b136c4489 157 MINIMA, MINIMA, SBRMIN, SEMIMINIMA, SEMIMINIMA, SEMIMINIMA, SBRMIN, SBRMIN, MINIMA, MINIMA, SEMIMINIMA,
Vito1704 0:817b136c4489 158 SBRMIN, SEMIMINIMA, SEMIMINIMA, MINIMA, MINIMA, MINIMA, MINIMA, SEMIBREVE};
Vito1704 0:817b136c4489 159
Vito1704 0:817b136c4489 160 //BSP_AUDIO_OUT_DeInit();
Vito1704 0:817b136c4489 161
Vito1704 0:817b136c4489 162 while(1) {
Vito1704 0:817b136c4489 163 BSP_LCD_SetFont(&Font12);
Vito1704 0:817b136c4489 164 BSP_LCD_Clear(LCD_COLOR_MAGENTA);
Vito1704 0:817b136c4489 165 BSP_LCD_SetBackColor(LCD_COLOR_MAGENTA);
Vito1704 0:817b136c4489 166 BSP_LCD_SetTextColor(LCD_COLOR_ORANGE);
Vito1704 0:817b136c4489 167 BSP_LCD_DisplayStringAt(0, LINE(4), (uint8_t *)"DISCO_L496AG", CENTER_MODE);
Vito1704 0:817b136c4489 168 BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"VIOLATER", CENTER_MODE);
Vito1704 0:817b136c4489 169 BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)"WELCOME", CENTER_MODE);
Vito1704 0:817b136c4489 170 wait(2);
Vito1704 0:817b136c4489 171 BSP_LCD_SetFont(&Font16);
Vito1704 0:817b136c4489 172 BSP_LCD_Clear(LCD_COLOR_RED);
Vito1704 0:817b136c4489 173 BSP_LCD_SetBackColor(LCD_COLOR_RED);
Vito1704 0:817b136c4489 174 BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
Vito1704 0:817b136c4489 175 BSP_LCD_DisplayStringAt(0, LINE(4), (uint8_t *)"DISCO_L496AG", CENTER_MODE);
Vito1704 0:817b136c4489 176 BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"VIOLATER", CENTER_MODE);
Vito1704 0:817b136c4489 177 BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)"WELCOME", CENTER_MODE);
Vito1704 0:817b136c4489 178 wait(2);
Vito1704 0:817b136c4489 179 BSP_LCD_SetFont(&Font20);
Vito1704 0:817b136c4489 180 BSP_LCD_Clear(LCD_COLOR_GREEN);
Vito1704 0:817b136c4489 181 BSP_LCD_SetBackColor(LCD_COLOR_GREEN);
Vito1704 0:817b136c4489 182 BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
Vito1704 0:817b136c4489 183 BSP_LCD_DisplayStringAt(0, LINE(4), (uint8_t *)"DISCO_L496AG", CENTER_MODE);
Vito1704 0:817b136c4489 184 BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"VIOLATER", CENTER_MODE);
Vito1704 0:817b136c4489 185 BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)"WELCOME", CENTER_MODE);
Vito1704 0:817b136c4489 186 wait(2);
Vito1704 0:817b136c4489 187 BSP_LCD_Clear(LCD_COLOR_BLUE);
Vito1704 0:817b136c4489 188 BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
Vito1704 0:817b136c4489 189 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
Vito1704 0:817b136c4489 190 BSP_LCD_SetFont(&Font24);
Vito1704 0:817b136c4489 191 BSP_LCD_DisplayStringAt(0, LINE(4), (uint8_t *)"DISCO_L496AG", CENTER_MODE);
Vito1704 0:817b136c4489 192 BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"VIOLATER", CENTER_MODE);
Vito1704 0:817b136c4489 193 BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)"WHEN THE SAINT GO MARCHING IN", CENTER_MODE);
Vito1704 0:817b136c4489 194 wait(2);
Vito1704 0:817b136c4489 195 cSoundWave = 0;
Vito1704 0:817b136c4489 196 BSP_AUDIO_OUT_SetVolume(50.0);
Vito1704 0:817b136c4489 197 for(nIndex=0; nIndex<WHENDURATION; nIndex++)
Vito1704 0:817b136c4489 198 {
Vito1704 0:817b136c4489 199 BSP_AUDIO_OUT_Init( OUTPUT_DEVICE_HEADPHONE,
Vito1704 0:817b136c4489 200 50.0,
Vito1704 0:817b136c4489 201 fNoteWhen[nIndex]);
Vito1704 0:817b136c4489 202 if (BSP_AUDIO_OUT_Stop != 0)
Vito1704 0:817b136c4489 203 {
Vito1704 0:817b136c4489 204 BSP_AUDIO_OUT_Play((uint16_t *)OUTPUT_DEVICE_HEADPHONE, AUDIODATA_SIZE); // oppure fNoteWhen[nIndex]
Vito1704 0:817b136c4489 205 }
Vito1704 0:817b136c4489 206 wait_us(fLengthWhen[nIndex]);
Vito1704 0:817b136c4489 207 }
Vito1704 0:817b136c4489 208 wait(2);
Vito1704 0:817b136c4489 209 } //p.s. La funzione per il vecchio amplificatore SampleOut per la lettura della sinusoide non funziona
Vito1704 0:817b136c4489 210
Vito1704 0:817b136c4489 211 }