44 rader
No EOL
846 B
ArmAsm
44 rader
No EOL
846 B
ArmAsm
PRESERVE8
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THUMB
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include DriverJeuLaser.inc
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; ====================== zone de réservation de données, ======================================
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;Section RAM (read only) :
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area mesdata,data,readonly
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;Section RAM (read write):
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area maram,data,readwrite
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FlagCligno dcd 0
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; ===============================================================================================
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EXPORT timer_callback
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;Section ROM code (read only) :
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area moncode,code,readonly
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; écrire le code ici
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timer_callback proc
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push lr
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mov r0,#1 ; r0 : constant = 1 (arg fonct GPIOB)
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ldr r2,=FlagCligno ; r2 : addr de FlagCligno
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mov r1,[r2] ; r1 : valeur FlagCligno
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cmp r1,#0
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beq FC0
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; if FlagCligno == 1
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str #0,[r2]
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bl GPIOB_Set
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b fin
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; if FlagCligno == 0
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FC0
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str r3,[r2]
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bl GPIOB_Clear
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fin
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pop pc
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endp
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END
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