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tried to patch the sound not stopping

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Raphael Lacroix 2022-03-30 09:43:32 +02:00
parent 2f5665052a
commit 7c6c96b88f
1 changed files with 19 additions and 3 deletions
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22
Partie son/PjtKEIL_StepSon/PjtKEIL_StepSon/Src/GestionSon.s
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@ -3,10 +3,11 @@
include ./Driver/DriverJeuLaser.inc include ./Driver/DriverJeuLaser.inc
; ====================== zone de réservation de données, ====================================== ; ====================== zone de r<EFBFBD>servation de donn<6E>es, ======================================
;Section RAM (read only) : ;Section RAM (read only) :
area mesdata,data,readonly area mesdata,data,readonly
extern Son extern Son
extern LongueurSon
;Section RAM (read write): ;Section RAM (read write):
area maram,data,readwrite area maram,data,readwrite
@ -24,14 +25,25 @@ index dcd 0
;Section ROM code (read only) : ;Section ROM code (read only) :
area moncode,code,readonly area moncode,code,readonly
; écrire le code ici ; <EFBFBD>crire le code ici
export CallbackSon export CallbackSon
CallbackSon proc CallbackSon proc
push {lr} push {lr}
push {r5}
ldr r0, =Son ;r0=&Son ldr r0, =Son ;r0=&Son
ldr r2, =index ; r2=&index ldr r2, =index ; r2=&index
ldr r1, [r2] ; r1 = index ldr r1, [r2] ; r1 = index
ldr r5, = LongueurSon ; r5 = &LongueurSon
ldr r5, [r5] ; r5 = LongueurSon ; r5 = LongueurSon
asl r5, #1; r5 = 2 x LongueurSon
cmp r1, r5 ; compare index et length
bgt done
ldrsh r3, [r0, r1] ;r3=son[index] ldrsh r3, [r0, r1] ;r3=son[index]
; on aurait pu faire ldrsh r3, [r0, r1, lsl #1] et incrementer de 1 ; on aurait pu faire ldrsh r3, [r0, r1, lsl #1] et incrementer de 1
add r1, #2 ; index +=2 add r1, #2 ; index +=2
@ -46,7 +58,7 @@ CallbackSon proc
asr r3, #16 ;r3/=65536 asr r3, #16 ;r3/=65536
pop {r4} pop {r4}
;On met la valeur modifiée dans SortieSon ;On met la valeur modifiee dans SortieSon
ldr r0, =SortieSon ;r0=&SortieSon ldr r0, =SortieSon ;r0=&SortieSon
str r3, [r0] str r3, [r0]
@ -55,6 +67,9 @@ CallbackSon proc
bl PWM_Set_Value_TIM3_Ch3 bl PWM_Set_Value_TIM3_Ch3
pop {r0-r3} pop {r0-r3}
done
pop {r5}
pop {pc} pop {pc}
endp endp
@ -63,6 +78,7 @@ CallbackSon proc
END END