miniSTM32红外遥控控制喇叭发出不同频率声音

yjmwxwx

最近在学红外遥控，学的糊里糊涂， 程序也胡乱写的。
用miniSTM32配的遥控器控制喇叭发出不同频率的声音， 主要是上边的几个键。

汇编器  binutils-2.23

.thumb                 

         .syntax unified

.section .data

         .equ STACKINIT,          0x20005000

.equ yanshius,           0x20000200

.equ ledkongzhi,         0x20000204

.equ hongwaikuandu,      0x20000208

.equ hongwaikuandu1,      0x2000020c

.equ hongwaikuanduhe,     0x20000210

.equ hongwaipianyi,  0x20000214

.equ hongwaijiema,  0x20000218

.equ hongwaishu,  0x20000220

.equ hongwailinshi,  0x20000224

.equ hongwailingshi2,  0x20000228

.equ pwmpinlv,  0x2000022c

.equ pwmzhankong,  0x20000230

.section .text

vectors:        

        .word STACKINIT         

        .word _start + 1        

        .word _nmi_handler + 1  

        .word _hard_fault  + 1  

        .word _memory_fault + 1 

        .word _bus_fault + 1    

        .word _usage_fault + 1 

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0 

.word 0

.word _dingshiqi + 1

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0 

.word 0

.word _extizhongduan + 1

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word 0

.word _tim3dingshiqi +1

_start:

mov r0, # 0

mov r1, # 0

mov r2, # 0

mov r3, # 0

mov r4, # 0

mov r5, # 0

mov r6, # 0 

mov r7, # 0

mov r8, # 0

mov r9, # 0

mov r10, # 0

mov r11, # 0 

@@AFIO-MAPR 开SWD模式

ldr r0, = 0x40010004

ldr r1, = 0x02000000

str r1, [r0]

shizhong:

ldr r0, = 0x40021000

ldr r1, = 0x14D83

str r1, [r0]

gsszbz: 

ldr r2, [r0]

ldr r1, = 0x20000

tst r1, r2           @高速时钟标志位           

bne rccchushihua

b gsszbz

rccchushihua: 

ldr r0, = 0x40022000

mov r1, # 0x00000032

str r1, [r0]           @FLASH缓冲 缓冲开启 

ldr r0, = 0x40021004

ldr r1, = 0x1D8400

str r1, [r0]

ldr r0, = 0x40021000

ldr r1, = 0x1033D03

str r1, [r0]

chaxun:

ldr r2, [r0]

ldr r1, = 0x2000000

tst r1, r2

bne rccgg

b chaxun

rccgg:

ldr r0, = 0x40021004

ldr r1, = 0x1D8402

str r1, [r0]

rccapb2enr:

        ldr r0, = 0x40021018

        mov r1, # 0x05

        str r1, [r0]

ioshezhi:

ldr r0, = 0x40010800 @ gpioa

ldr r1, = 0x4b444484 

str r1, [r0]

ldr r0, = 0x4001080C

mov r1, # 0x42

str r1, [r0]

extiexti:

ldr r0, = 0x40010008 @AFIO_EXTICR1

mov r1, # 0

str r1, [r0] @PA1外部中断

mov r1, # 0x02

ldr r0, = 0x40010400 @EXTI_IMR中断屏蔽寄存器

str r1, [r0]

ldr r0, = 0x40010404 @EXTI_EMR事件屏蔽

str r1, [r0]

ldr r0, = 0x4001040C @EXTI_FTSR下降沿触发

str r1, [r0]

ldr r0, = 0xE000E100 @NVIC_ISER0 SETENA0

mov r1, # 0x80 @ exti1开中断

str r1, [r0]

zhuchengxu:

ldr r0, = 0x20000228

ldr r1, = 0x22004400

str r1, [r0]

ldr r0, = 0x2000021c

ldr r1, = 0x22004c18

str r1, [r0]

hw0:

ldr r0, = 0x20000260

ldr r0, [r0]

ldr r3, = 0xba45ff00

cmp r0, r3

beq dingshiqiguan

ldr r3, = 0xb946ff00

cmp r0, r3

beq hw2

ldr r3, = 0xb847ff00

cmp r0, r3

beq hw3

ldr r3, = 0xbb44ff00

cmp r0, r3

beq hw1

ldr r3, = 0xbc43ff00

cmp r0, r3

beq hw4

ldr r3, = 0xea15ff00

cmp r0, r3

beq hw5

b zhuchengxu

dingshiqiguan:

ldr r0, = 0x40000400 

mov r1, #0x00

str r1, [r0]

b zhuchengxu

hw1:

ldr r1, = 0xFFF0

ldr r2, = 0x6FFF

b hwhw

hw2:

ldr r1, = 0x2EE0

ldr r2, = 0x1770

b hwhw

hw3:

ldr r1, = 0x1770

ldr r2, = 0xbb8

b hwhw

hw4: ldr r1, = 0x4b0

mov r2, # 600

b hwhw

hw5:

mov r1, # 600

mov r2, # 300

hwhw:

ldr r0, = pwmpinlv

str r1, [r0]

ldr r0, = pwmzhankong

str r2, [r0]

bl tim3dingshiqi

b zhuchengxu

sysyanshi:

push {r0-r5, lr}

ldr r0, = 0xE000E010

ldr r1, = yanshius

ldr r1, [r1] 

str r1, [r0, # 4]

str r1, [r0, # 8]

ldr r4, = 0xFFFFF0

cmp r1, r4

bne kaidingshiqi

mov r2, # 0x01

str r2, [r0]

pop {r0-r5, pc}

kaidingshiqi:

mov r2, # 0x01

str r2, [r0]

tingzaizhe:

ldr r3, [r0, # 8]

cmp r3, # 0 

bne tingzaizhe

pop {r0-r5, pc}

tim3dingshiqi:

push {r0-r5, lr}

ldr r0, = 0x4002101C

mov r1, # 0x02 

str r1, [r0] @ 开TIM3时钟

ldr r0, = 0x4000042C @TIM ARR自动重载寄存器

ldr r1, = pwmpinlv

ldr r1, [r1]

str r1, [r0]

ldr r0, = 0x40000428 @psc预分频器

mov r1, # 12

str r1, [r0]

ldr r0, = 0x40000418  

ldr r1, = 0x78     

str r1, [r0]

ldr r0, = 0x40000420 

ldr r1, = 0x01     

str r1, [r0] 

ldr r0, = 0x40000400 

mov r1, #0x81

str r1, [r0]

ldr r0, = 0x40000434

ldr r1, = pwmzhankong

ldr r1, [r1]

str r1, [r0]

pop {r0-r5, pc}

_nmi_handler:

bx lr

_hard_fault:

bx lr

_memory_fault:

bx lr

_bus_fault:

bx lr

_usage_fault:

bx lr

_dingshiqi:

bx lr

_extizhongduan:

push {r0-r7, lr}

ldr r0, = hongwaipianyi

ldr r1, = 0x22004c00

str r1, [r0]

kaishile:

ldr r4, = 0xFFFFF0

ldr r5, = yanshius

str r4, [r5]

bl sysyanshi

dengdaigaomaichong:

ldr r0, = 0xE000E018

ldr r0, [r0]

ldr r1, = 0xF00000

cmp r0, r1

bls fanhuizhuchengxu

ldr r0, = 0x42210104

ldr r0, [r0]

cmp r0, # 1

bne dengdaigaomaichong

ldr r2, = hongwaikuandu

ldr r1, = 0xE000E018

ldr r1, [r1]

ldr r3, = 0xFFFFF0

subs r3, r1

str r3, [r2]

ldr r4, = 0xFFFFF0

ldr r5, = yanshius

str r4, [r5]

bl sysyanshi

dengdaidimaichong:

ldr r0, = 0xE000E018

ldr r0, [r0]

ldr r1, = 0xF00000

cmp r0, r1

bls fanhuizhuchengxu

ldr r0, = 0x42210104

ldr r0, [r0]

cmp r0, # 0

bne dengdaidimaichong

ldr r3, = hongwaikuandu1

ldr r1, = 0xE000E018

ldr r1, [r1]

ldr r2, = 0xFFFFF0

subs r2, r1

str r2, [r3]

panduan:

ldr r1, = hongwaikuandu

ldr r1, [r1]

ldr r2, = hongwaikuandu1

ldr r2, [r2]

adds r2, r1

ands r2, # 0x1E000

cmp r2, # 0x2000

beq dd1

cmp r2, # 0x4000

beq dd2

b dd5

dd1:

mov r2, # 0

b dd3

dd2:

mov r2, # 1

dd3:

ldr r0, = hongwaipianyi

ldr r1, [r0]

stmia r1!, {r2}

str r1, [r0]

dd5:

ldr r2, = 0x22004c80

cmp r1, r2

bne kaishile

fanhuizhuchengxu:

ldr r0, = 0x40010414 @挂起寄存器EXTI_PR

mov r1, # 0x02

str r1, [r0]

pop {r0-r7, pc}

_tim3dingshiqi:

bx lr

745021926

强大！

正点原子

用汇编写STM32代码
楼主强大啊.

miaoguoqiang

啊，汇编写的。。这也叫稀里糊涂，只能说强大啊

timer

用汇编，我服了