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writeDigit.s
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writeDigit.s
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;LABEL DIRECTIVE VALUE COMMENT
AREA digitWriting , READONLY, CODE
THUMB
EXPORT writeDigit ; Make available
EXTERN SPI1_Write_data
EXTERN SPI1_Write_cmd
writeDigit PROC
push {LR}
cmp R1,#0x00
beq writeZero
cmp R1,#0x01
beq writeOne
cmp R1,#0x02
beq writeTwo
cmp R1,#0x03
beq writeThree
cmp R1,#0x04
beq writeFour
B devam
;0x3e, 0x51, 0x49, 0x45, 0x3e
writeZero mov r3,#0x3e
BL SPI1_Write_data
mov r3,#0x51
BL SPI1_Write_data
mov r3,#0x49
BL SPI1_Write_data
mov r3,#0x45
BL SPI1_Write_data
mov r3,#0x3e
BL SPI1_Write_data
ADD R0,#0x01
POP {LR}
BX LR
;0x00, 0x42, 0x7f, 0x40, 0x00
writeOne mov r3,#0x00
BL SPI1_Write_data
mov r3,#0x42
BL SPI1_Write_data
mov r3,#0x7f
BL SPI1_Write_data
mov r3,#0x40
BL SPI1_Write_data
mov r3,#0x00
BL SPI1_Write_data
ADD R0,#0x01
POP {LR}
BX LR
;0x42, 0x61, 0x51, 0x49, 0x46
writeTwo mov r3,#0x42
BL SPI1_Write_data
mov r3,#0x61
BL SPI1_Write_data
mov r3,#0x51
BL SPI1_Write_data
mov r3,#0x49
BL SPI1_Write_data
mov r3,#0x46
BL SPI1_Write_data
ADD R0,#0x01
POP {LR}
BX LR
;0x21, 0x41, 0x45, 0x4b, 0x31
writeThree mov r3,#0x21
BL SPI1_Write_data
mov r3,#0x41
BL SPI1_Write_data
mov r3,#0x45
BL SPI1_Write_data
mov r3,#0x4b
BL SPI1_Write_data
mov r3,#0x31
BL SPI1_Write_data
ADD R0,#0x01
POP {LR}
BX LR
;0x18, 0x14, 0x12, 0x7f, 0x10
writeFour mov r3,#0x18
BL SPI1_Write_data
mov r3,#0x14
BL SPI1_Write_data
mov r3,#0x12
BL SPI1_Write_data
mov r3,#0x7f
BL SPI1_Write_data
mov r3,#0x10
BL SPI1_Write_data
ADD R0,#0x01
POP {LR}
BX LR
devam cmp R1,#0x05
beq writeFive
cmp R1,#0x06
beq writeSix
cmp R1,#0x07
beq writeSeven
cmp R1,#0x08
beq writeEight
cmp R1,#0x09
beq writeNine
;0x27, 0x45, 0x45, 0x45, 0x39
writeFive mov r3,#0x27
BL SPI1_Write_data
mov r3,#0x45
BL SPI1_Write_data
mov r3,#0x45
BL SPI1_Write_data
mov r3,#0x45
BL SPI1_Write_data
mov r3,#0x39
BL SPI1_Write_data
ADD R0,#0x01
POP {LR}
BX LR
;0x3c, 0x4a, 0x49, 0x49, 0x30
writeSix mov r3,#0x3c
BL SPI1_Write_data
mov r3,#0x4a
BL SPI1_Write_data
mov r3,#0x49
BL SPI1_Write_data
mov r3,#0x49
BL SPI1_Write_data
mov r3,#0x30
BL SPI1_Write_data
ADD R0,#0x01
POP {LR}
BX LR
;0x01, 0x71, 0x09, 0x05, 0x03
writeSeven mov r3,#0x01
BL SPI1_Write_data
mov r3,#0x71
BL SPI1_Write_data
mov r3,#0x09
BL SPI1_Write_data
mov r3,#0x05
BL SPI1_Write_data
mov r3,#0x03
BL SPI1_Write_data
ADD R0,#0x01
POP {LR}
BX LR
;0x36, 0x49, 0x49, 0x49, 0x36
writeEight mov r3,#0x36
BL SPI1_Write_data
mov r3,#0x49
BL SPI1_Write_data
mov r3,#0x49
BL SPI1_Write_data
mov r3,#0x49
BL SPI1_Write_data
mov r3,#0x36
BL SPI1_Write_data
ADD R0,#0x01
POP {LR}
BX LR
;0x06, 0x49, 0x49, 0x29, 0x1e
writeNine mov r3,#0x06
BL SPI1_Write_data
mov r3,#0x49
BL SPI1_Write_data
mov r3,#0x49
BL SPI1_Write_data
mov r3,#0x29
BL SPI1_Write_data
mov r3,#0x1e
BL SPI1_Write_data
ADD R0,#0x01
POP {LR}
BX LR