forked from acco/chti23
début de la DFT
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Slamnia Enzo
parent
fe6be534f1
commit
b6baee8edc
32 changed files with 11351 additions and 11482 deletions
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@ -1,173 +0,0 @@
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%%
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%TUTO BAC A SABLE
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figure(1);
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plot(Res.Sinus_Continu);
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hold on;
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plot(Res.Sinus_Echanti,'o');
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grid;
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title('Courbe temporelle du Sinus');
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tab = linspace(0,M-1,M);
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tab = tab*(Fe/M);
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r = fft(Res.Sinus_Echanti.data);
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figure(2);
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stem(tab,abs(r/M));
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grid;
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title('Module de la TFD en fonction de la fréquence');
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%%
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%QUESTION 1 ET 2
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clear all;
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close all;
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clc;
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Fe = 320000;
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Te = 1/Fe;
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T = 1/5000;
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M = T/Te;
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Tsim = T-Te;
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F1 = 85000;
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F2 = 90000;
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F3 = 95000;
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F4 = 100000;
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F5 = 115000;
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F6 = 120000;
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Res = sim('SimuGuns');
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echelle_freq = linspace(0,M-1,M)*(Fe/M);
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r = fft(Res.Echanti.data);
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figure(1);
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plot(Res.Continu);
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grid;
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figure(2);
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plot(echelle_freq,abs(r/M),'o');
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grid;
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%%
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%QUESTION 3
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clear all;
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close all;
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clc;
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Fe = 320000;
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Te = 1/Fe;
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T = 1/5000;
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M = T/Te;
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Tsim = T-Te;
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F1 = 85005.9;
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F2 = 90000;
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F3 = 94846.8;
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F4 = 100000;
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F5 = 115015.9;
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F6 = 120000;
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Res = sim('SimuGuns');
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echelle_freq = linspace(0,M-1,M)*(Fe/M);
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r = fft(Res.Echanti.data);
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figure(1);
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plot(Res.Continu);
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grid;
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hold on;
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figure(2);
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semilogy(echelle_freq,abs(r/M));
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grid;
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%%
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%Question 4
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clear all;
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close all;
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clc;
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Fe = 320000;
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Te = 1/Fe;
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T = 1/5000;
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M = T/Te;
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Tsim = T-Te;
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F1 = 85005.9;
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F2 = 90000;
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F3 = 94846.8;
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F4 = 100000;
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F5 = 115015.9;
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F6 = 120000;
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Res = sim('SimuGuns');
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for i = 1:32
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Res.Echanti.data(i) = 0;
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end
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echelle_freq = linspace(0,M-1,M)*(Fe/M);
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r = fft(Res.Echanti.data);
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figure(1);
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plot(Res.Continu);
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grid;
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hold on;
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figure(2);
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semilogy(echelle_freq,abs(r/M));
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grid;
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%%
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%Question 6
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clear all;
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close all;
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clc;
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F1 = 85000;
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Fe = 320000;
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Te = 1/Fe;
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%T = 1/F1;
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%M = T/Te;
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T = 2*10^(-4);
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M=2^6;
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Tsim = T-Te;
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Res = sim('SimuGuns');
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echelle_freq = linspace(0,M-1,M)*(Fe/M);
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r = fft(Res.carre1.data);
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figure(1);
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plot(Res.carre1);
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grid;
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hold on;
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figure(2);
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plot(echelle_freq,log10(abs(r/M)),'o');
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grid;
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%%
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% Question 8
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clear all;
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close all;
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clc;
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F1 = 85000;
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Fe = 320000;
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Te = 1/Fe;
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%T = 1/F1;
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%M = T/Te;
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T = 2*10^(-4);
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M=2^6;
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Tsim = T-Te;
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p = tf('p');
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Fp = 1/(1.7483e-23*p^4 + 7.6663e-18*p^3 + 1.162e-11*p^2 + 3.0332e-6*p+1);
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Res = sim('SimuGuns');
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echelle_freq = linspace(0,M-1,M)*(Fe/M);
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r = fft(Res.carre.data);
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figure(1);
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plot(Res.carre);
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grid;
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hold on;
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figure(2);
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bode(Fp);
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plot(bode(Fp));
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%plot(echelle_freq,log10(abs(r/M)),'o');
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grid;
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@ -10,7 +10,8 @@
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;Section RAM (read write):
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area maram,data,readwrite
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M DCD 63
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Index DCD 0
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; ===============================================================================================
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@ -29,6 +30,19 @@
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AREA Trigo, DATA, READONLY
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; codage fractionnaire 1.15
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DFT_ModuleAuCaree proc
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push{r2,r3,r4,r5,r6,r7,r8,r9}
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ldr r3,=TabCos
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ldr r2,=M
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ldr r2,[r2]
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ldr r7,=Index
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ldr r4,[r7]
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etape1
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ldrsh r5 ,[r3
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TabCos
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DCW 32767 ; 0 0x7fff 0.99997
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DCW 32610 ; 1 0x7f62 0.99518
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@ -163,4 +177,7 @@ TabSin
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END
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@ -14,6 +14,13 @@ int main(void)
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// Après exécution : le coeur CPU est clocké à 72MHz ainsi que tous les timers
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CLOCK_Configure();
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// K1 (85) = 34
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// K2 (90) = 36
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// K3 (95) = 38
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// K4 (100) = 40
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// K5 (115) = 46
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// K6 (120) = 48
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7
soft/PjtKEIL_StepSon/Src/GestionSon.h
Normal file
7
soft/PjtKEIL_StepSon/Src/GestionSon.h
Normal file
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@ -0,0 +1,7 @@
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#ifndef GESTIONSON_H__
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#define GESTIONSON_H__
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void CallbackSon(void);
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void StartSon(void);
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#endif
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@ -4,6 +4,7 @@
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IMPORT PeriodeSonMicroSec
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IMPORT Son
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IMPORT PWM_Set_Value_TIM3_Ch3
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EXPORT CallbackSon
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; ====================== zone de réservation de données, ======================================
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@ -38,7 +39,8 @@ CallbackSon proc
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ldr r7,=Index
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ldr r4,[r7] ;compteur
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cmp r4,r2
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moveq r4,#0
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;moveq r4,#0
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beq fin
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mov r5,#(1<<15) ;registre pour operations
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mov r6,#719 ;sauvegarde de 719
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@ -58,9 +60,20 @@ calcul
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;add r4,#1
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;cmp r2,r4
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;bne calcul
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fin
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pop {r4,r5,r6,r7,lr}
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bx lr
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endp
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StartSon proc
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ldr r1,=Index
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ldr r2,=LongueurSon
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cmp r1,r2
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bne pass
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mov r1,#0
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pass
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bx lr
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endp
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END
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@ -24,14 +24,12 @@ Timer_1234_Init_ff(TIM4, 91*72);
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Active_IT_Debordement_Timer( TIM4, 2, CallbackSon );
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//============================================================================
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while (1)
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{
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}
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}
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@ -259,12 +259,12 @@
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<Wi>
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<IntNumber>0</IntNumber>
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<FirstString>`SortieSon</FirstString>
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<SecondString>FF0000000000000000000000000000000078864000000000000000000000000000000000536F72746965536F6E00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000700000001000000000000000000E03F1400000000000000000000000000000000000000C40A0008</SecondString>
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<SecondString>FF0000000000000000000000000000000078864000000000000000000000000000000000536F72746965536F6E00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000700000001000000000000000000E03F1500000000000000000000000000000000000000C40A0008</SecondString>
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</Wi>
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<Wi>
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<IntNumber>1</IntNumber>
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<FirstString>((portb & 0x00000001) & 0x1) >> 0</FirstString>
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<SecondString>00008000000000000000000000000000E0FFEF400100000000000000000000000000000028706F72746220262030783030303030303031290000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000002000000FFFFFFFFFFFFDF3F1400000000000000000000000000000000000000D20A0008</SecondString>
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<SecondString>00008000000000000000000000000000E0FFEF400100000000000000000000000000000028706F72746220262030783030303030303031290000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000002000000FFFFFFFFFFFFDF3F1500000000000000000000000000000000000000D20A0008</SecondString>
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</Wi>
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</LogicAnalyzers>
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<DebugDescription>
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