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Finalisation de step dft reel OK

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This commit is contained in:
Adrien Barbanson 2021-05-26 13:07:07 +02:00
parent 09a2ab0105
commit 5f460e9380
3 changed files with 47 additions and 8 deletions
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21
PjtKEIL_StepDFTREEL/RTE/_CibleSondeKEIL/RTE_Components.h Normal file
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@ -0,0 +1,21 @@
/*
* Auto generated Run-Time-Environment Configuration File
* *** Do not modify ! ***
*
* Project: 'StepDFT'
* Target: 'CibleSondeKEIL'
*/
#ifndef RTE_COMPONENTS_H
#define RTE_COMPONENTS_H
/*
* Define the Device Header File:
*/
#define CMSIS_device_header "stm32f10x.h"
#endif /* RTE_COMPONENTS_H */

1
PjtKEIL_StepDFTREEL/Src/DFT.s
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@ -12,6 +12,7 @@
export DFT_ModuleAuCarre
; ===============================================================================================

33
PjtKEIL_StepDFTREEL/Src/principal.c
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@ -8,10 +8,27 @@ extern int DFT_ModuleAuCarre(short int*, char);
extern short int LeSignal;
short int dma_buff[64] ;
int res[64];
void faire_dft() {
//on fait la mesure
Start_DMA1(64);
Wait_On_End_Of_DMA1();
Stop_DMA1;
//on l'exploite
char k;
for(k=0;k<64;k++){
res[k] = DFT_ModuleAuCarre(dma_buff, k);
}
}
@ -29,18 +46,18 @@ CLOCK_Configure();
// ? ticks pour 5*10^-3 s
// règle de trois.
//on décide de faire une DFT toutes les 5 ms
Systick_Period_ff(360000);
Systick_Prio_IT(1,faire_dft);
SysTick_On;
SysTick_Enable_IT; // valider une interruption??????
SysTick_Enable_IT; // activer l'interruption configurée
Init_Conversion_On_Trig_Timer_ff( ADC1, TIM2_CC2, 225 );
char k;
for(k=0;k<64;k++){
res[k] = DFT_ModuleAuCarre(&LeSignal, k);
}
//il faut configurer la fréquence d'échantillonage de l'ADC
Init_TimingADC_ActiveADC_ff(ADC1,72);
Single_Channel_ADC(ADC1,2);
Init_Conversion_On_Trig_Timer_ff( ADC1, TIM2_CC2, 225 );
Init_ADC1_DMA1( 0, dma_buff );
//============================================================================