• stm32汇编实例


    例子一

    View Code
      1 ;RCC寄存器地址映像
      2 RCC_BASE                EQU             0x40021000
      3 RCC_CR                  EQU             (RCC_BASE + 0x00)
      4 RCC_CFGR                EQU             (RCC_BASE + 0x04)
      5 RCC_CIR                 EQU             (RCC_BASE + 0x08)
      6 RCC_APB2RSTR            EQU             (RCC_BASE + 0x0C)
      7 RCC_APB1RSTR            EQU             (RCC_BASE + 0x10)
      8 RCC_AHBENR              EQU             (RCC_BASE + 0x14)
      9 RCC_APB2ENR             EQU             (RCC_BASE + 0x18)
     10 RCC_APB1ENR             EQU             (RCC_BASE + 0x1C)
     11 RCC_BDCR                EQU             (RCC_BASE + 0x20)
     12 RCC_CSR                 EQU             (RCC_BASE + 0x24)
     13 ;GPIO寄存器地址映像
     14 GPIOC_BASE              EQU             0x40011000
     15 GPIOC_CRL               EQU             (GPIOC_BASE + 0x00)
     16 GPIOC_CRH               EQU             (GPIOC_BASE + 0x04)
     17 GPIOC_IDR               EQU             (GPIOC_BASE + 0x08)
     18 GPIOC_ODR               EQU             (GPIOC_BASE + 0x0C)
     19 GPIOC_BSRR              EQU             (GPIOC_BASE + 0x10)
     20 GPIOC_BRR               EQU             (GPIOC_BASE + 0x14)
     21 GPIOC_LCKR              EQU             (GPIOC_BASE + 0x18)
     22 ;AFIO寄存器地址映像
     23 AFIO_BASE               EQU             0x40010000
     24 AFIO_EVCR               EQU             (AFIO_BASE + 0x00)
     25 AFIO_MAPR               EQU             (AFIO_BASE + 0x04)
     26 AFIO_EXTICR1            EQU             (AFIO_BASE + 0x08)
     27 AFIO_EXTICR2            EQU             (AFIO_BASE + 0x0C)
     28 AFIO_EXTICR3            EQU             (AFIO_BASE + 0x10)
     29 AFIO_EXTICR4            EQU             (AFIO_BASE + 0x14)
     30 ;NVIC寄存器地址映像
     31 NVIC_BASE               EQU             0xE000E000
     32 NVIC_SETEN              EQU             (NVIC_BASE + 0x0010)    ;SETENA寄存器阵列的起始地址
     33 NVIC_IRQPRI             EQU             (NVIC_BASE + 0x0400)    ;中断优先级寄存器阵列的起始地址
     34 NVIC_VECTTBL            EQU             (NVIC_BASE + 0x0D08)    ;向量表偏移寄存器的地址
     35 NVIC_AIRCR              EQU             (NVIC_BASE + 0x0D0C)    ;应用程序中断及复位控制寄存器的地址
     36 
     37 SETENA0                 EQU             0xE000E100
     38 SETENA1                 EQU             0xE000E104
     39 ;SysTick寄存器地址映像
     40 SysTick_BASE            EQU             0xE000E010
     41 SYSTICKCSR              EQU             (SysTick_BASE + 0x00)
     42 SYSTICKRVR              EQU             (SysTick_BASE + 0x04)
     43 ;;FLASH缓冲寄存器地址映像
     44 FLASH_ACR               EQU             0x40022000
     45 
     46 ;SCB_BASE                EQU             (SCS_BASE + 0x0D00)
     47 ;-----------------
     48 MSP_TOP                 EQU             0x20005000              ;主堆栈起始值
     49 PSP_TOP                 EQU             0x20004E00              ;进程堆栈起始值
     50 
     51 BitAlias_BASE           EQU             0x22000000              ;位带别名区起始地址
     52 Flag1                   EQU             0x20000200
     53 b_flas                  EQU             (BitAlias_BASE + (0x200*32) + (0*4))              ;位地址
     54 b_05s                   EQU             (BitAlias_BASE + (0x200*32) + (1*4))              ;位地址
     55 DlyI                    EQU             0x20000204
     56 DlyJ                    EQU             0x20000208
     57 DlyK                    EQU             0x2000020C
     58 SysTim                  EQU             0x20000210
     59 
     60 ;常数定义---------
     61 Bit0                    EQU             0x00000001
     62 Bit1                    EQU             0x00000002
     63 Bit2                    EQU             0x00000004
     64 Bit3                    EQU             0x00000008
     65 Bit4                    EQU             0x00000010
     66 Bit5                    EQU             0x00000020
     67 Bit6                    EQU             0x00000040
     68 Bit7                    EQU             0x00000080
     69 Bit8                    EQU             0x00000100
     70 Bit9                    EQU             0x00000200
     71 Bit10                   EQU             0x00000400
     72 Bit11                   EQU             0x00000800
     73 Bit12                   EQU             0x00001000
     74 Bit13                   EQU             0x00002000
     75 Bit14                   EQU             0x00004000
     76 Bit15                   EQU             0x00008000
     77 Bit16                   EQU             0x00010000
     78 Bit17                   EQU             0x00020000
     79 Bit18                   EQU             0x00040000
     80 Bit19                   EQU             0x00080000
     81 Bit20                   EQU             0x00100000
     82 Bit21                   EQU             0x00200000
     83 Bit22                   EQU             0x00400000
     84 Bit23                   EQU             0x00800000
     85 Bit24                   EQU             0x01000000
     86 Bit25                   EQU             0x02000000
     87 Bit26                   EQU             0x04000000
     88 Bit27                   EQU             0x08000000
     89 Bit28                   EQU             0x10000000
     90 Bit29                   EQU             0x20000000
     91 Bit30                   EQU             0x40000000
     92 Bit31                   EQU             0x80000000
     93 ;向量表*********************************************************************************
     94                 AREA            RESET, DATA, READONLY
     95 
     96                 DCD             MSP_TOP                   ;初始化主堆栈
     97                 DCD             Start                     ;复位向量
     98                 DCD             NMI_Handler               ;NMI Handler
     99                 DCD             HardFault_Handler         ;Hard Fault Handler
    100                 DCD             0
    101                 DCD             0
    102                 DCD             0
    103                 DCD             0
    104                 DCD             0
    105                 DCD             0
    106                 DCD             0
    107                 DCD             0
    108                 DCD             0
    109                 DCD             0
    110                 DCD             0
    111                 DCD             SysTick_Handler           ; SysTick Handler
    112                 SPACE           200
    113 ;***************************************************************************************
    114                 AREA            |.text|, CODE, READONLY
    115 ;主程序开始
    116                 ENTRY                           ;指示程序从这里开始执行
    117 Start
    118 ;时钟系统设置
    119                 ;启动外部8M晶振
    120                 ldr             r0,=RCC_CR
    121                 ldr             r1,[r0]
    122                 orr             r1,#Bit16
    123                 str             r1,[r0]
    124 ClkOk
    125                 ldr             r1,[r0]
    126                 ands            r1,#Bit17
    127                 beq             ClkOk
    128                 ldr             r1,[r0]
    129                 orr             r1,#Bit17
    130                 str             r1,[r0]
    131                 ;FLASH缓冲器
    132                 ldr             r0,=FLASH_ACR
    133                 mov             r1,#0x00000032
    134                 str             r1,[r0]
    135                 ;设置PLL锁相环倍率为7,HSE输入不分频
    136                 ldr             r0,=RCC_CFGR
    137                 ldr             r1,[r0]
    138                 orr             r1,#Bit18 | Bit19 | Bit20 | Bit16 | Bit14
    139                 orr             r1,#Bit10
    140                 str             r1,[r0]
    141                 ;启动PLL锁相环
    142                 ldr             r0,=RCC_CR
    143                 ldr             r1,[r0]
    144                 orr             r1,#Bit24
    145                 str             r1,[r0]
    146 PllOk
    147                 ldr             r1,[r0]
    148                 ands            r1,#Bit25
    149                 beq             PllOk
    150                 ;选择PLL时钟作为系统时钟
    151                 ldr             r0,=RCC_CFGR
    152                 ldr             r1,[r0]
    153                 orr             r1,#Bit18 | Bit19 | Bit20 | Bit16 | Bit14
    154                 orr             r1,#Bit10
    155                 orr             r1,#Bit1
    156                 str             r1,[r0]
    157                 ;其它RCC相关设置
    158                 ldr             r0,=RCC_APB2ENR
    159                 mov             r1,#Bit4
    160                 str             r1,[r0]
    161 ;IO端口设置
    162                 ldr             r0,=GPIOC_CRL
    163                 ldr             r1,[r0]
    164                 orr             r1,#Bit16 | Bit17         ;PC.4输出模式,最大速度50MHz 
    165                 and             r1,#~Bit18 & ~Bit19       ;PC.4通用推挽输出模式
    166                 str             r1,[r0]
    167 ;AFIO 参数设置
    168                 
    169 ;Systick 参数设置
    170                 ldr             r0,=SYSTICKRVR          ;Systick装初值
    171                 mov             r1,#9000
    172                 str             r1,[r0]
    173                 ldr             r0,=SYSTICKCSR          ;设定、启动Systick
    174                 mov             r1,#0x03
    175                 str             r1,[r0]
    176 ;NVIC
    177                 ;ldr             r0,=SETENA0
    178                 ;mov             r1,0x00800000
    179                 ;str             r1,[r0]
    180                 ;ldr             r0,=SETENA1
    181                 ;mov             r1,#0x00000100
    182                 ;str             r1,[r0]
    183 ;切换成用户级线程序模式
    184                 ldr             r0,=PSP_TOP                  ;初始化线程堆栈
    185                 msr             psp,r0
    186                 mov             r0,#3
    187                 msr             control,r0
    188 ;初始化SRAM、寄存器
    189                 mov             r1,#0
    190                 ldr             r0,=Flag1
    191                 str             r1,[r0]
    192                 ldr             r0,=DlyI
    193                 str             r1,[r0]
    194                 ldr             r0,=DlyJ
    195                 str             r1,[r0]
    196                 ldr             r0,=DlyK
    197                 str             r1,[r0]
    198                 ldr             r0,=SysTim
    199                 str             r1,[r0]
    200 ;主循环=================================================================================
    201 main
    202                 ldr             r0,=Flag1
    203                 ldr             r1,[r0]
    204                 tst             r1,#Bit1                ;SysTick产生0.5s
    205                 beq             main                    ;主程序0.5s走一次
    206                 ldr             r0,=b_05s               ;位带操作清零0.5s标志
    207                 mov             r1,#0
    208                 str             r1,[r0]
    209                 bl              LedFlas
    210                 b               main
    211 ;子程序**********************************************************************************
    212 LedFlas
    213                 push            {r0-r3}
    214                 ldr             r0,=Flag1
    215                 ldr             r1,[r0]
    216                 tst             r1,#Bit0
    217                 beq             ONLED
    218                 
    219                 ldr             r0,=b_flas
    220                 mov             r1,#0
    221                 str             r1,[r0]
    222                 ;PC.4输出1
    223                 ldr             r0,=GPIOC_BRR
    224                 ldr             r1,[r0]
    225                 orr             r1,#Bit4
    226                 str             r1,[r0]
    227                 b               LedEx
    228 ONLED
    229                 ldr             r0,=b_flas
    230                 mov             r1,#1
    231                 str             r1,[r0]
    232                 ;PC.4输出0
    233                 ldr             r0,=GPIOC_BSRR
    234                 ldr             r1,[r0]
    235                 orr             r1,#Bit4
    236                 str             r1,[r0]
    237 LedEx
    238                 pop            {r0-r3}
    239                 bx              lr
    240 ;异常程序*******************************************************************************
    241 NMI_Handler
    242                 ;xxxxxxxxxxxxxxxxxx
    243                 bx              lr
    244 ;-----------------------------
    245 HardFault_Handler
    246                 ;xxxxxxxxxxxxxxxxxx
    247                 bx              lr
    248 ;-----------------------------
    249 SysTick_Handler
    250                 ldr             r0,=SysTim
    251                 ldr             r1,[r0]
    252                 add             r1,#1
    253                 str             r1,[r0]
    254                 cmp             r1,#500
    255                 bcc             TickExit
    256                 mov             r1,#0
    257                 str             r1,[r0]
    258                 ldr             r0,=b_05s               ;位带操作置1
    259                 mov             r1,#1
    260                 str             r1,[r0]
    261 TickExit
    262                 bx              lr
    263 ;***************************************************************************************
    264                 ALIGN           ;通过用零或空指令NOP填充,来使当前位置与一个指定的边界对齐
    265 ;-----------------------------
    266                 END

    例子二

    View Code
      1 BIT5   EQU 0X00000020
      2 BIT6   EQU 0X00000040
      3 BIT7   EQU 0X00000080
      4 BIT8   EQU 0X00000100
      5 BIT9   EQU 0X00000200
      6 BIT10  EQU 0X00000400
      7 LED1   EQU BIT4              ;LED1--PD.8
      8 LED2   EQU BIT9              ;LED2--PD.9
      9 LED3   EQU BIT10          ;LED3--PD.10
     10 GPIOD      EQU 0X40011C00  ;GPIOD 地址
     11 GPIOD_CRL  EQU 0X40011C00  ;低配置寄存器
     12 GPIOD_CRH  EQU 0X40011C04  ;高配置寄存器
     13 GPIOD_ODR  EQU 0X40011C0C  ;输出,偏移地址0Ch
     14 GPIOD_BSRR EQU 0X40011C10  ;低置位,高清除偏移地址10h
     15 GPIOD_BRR  EQU 0X40011C14  ;清除,偏移地址14h
     16 IOPDEN        EQU BIT7           ;GPIOD使能位
     17 RCC_APB2ENR EQU 0X40021018
     18 ;STACK_TOP EQU 0X20002000
     19 
     20 ;堆栈初始化
     21 Stack_Size      EQU     0x00000400
     22                 AREA    STACK, NOINIT, READWRITE, ALIGN=3
     23 Stack_Mem       SPACE   Stack_Size
     24 __initial_sp
     25                                                   
     26 Heap_Size       EQU     0x00000200
     27                 AREA    HEAP, NOINIT, READWRITE, ALIGN=3
     28 __heap_base
     29 Heap_Mem        SPACE   Heap_Size
     30 __heap_limit
     31 
     32 ;堆栈8字节对齐
     33                 PRESERVE8
     34 ;使用THUMB指令 
     35                 THUMB
     36 ;复位向量
     37     AREA RESET,CODE,READONLY
     38     ;DCD STACK_TOP ;MSP主堆栈指针
     39     ;DCD START      ;复位,PC初始值
     40 __Vectors       DCD     __initial_sp               ; Top of Stack
     41                 DCD     Reset_Handler              ; Reset Handler
     42                 DCD     NMI_Handler                ; NMI Handler
     43                 DCD     HardFault_Handler          ; Hard Fault Handler
     44                 DCD     MemManage_Handler          ; MPU Fault Handler
     45                 DCD     BusFault_Handler           ; Bus Fault Handler
     46                 DCD     UsageFault_Handler         ; Usage Fault Handler
     47                 DCD     0                          ; Reserved
     48                 DCD     0                          ; Reserved
     49                 DCD     0                          ; Reserved
     50                 DCD     0                          ; Reserved
     51                 DCD     SVC_Handler                ; SVCall Handler
     52                 DCD     DebugMon_Handler           ; Debug Monitor Handler
     53                 DCD     0                          ; Reserved
     54                 DCD     PendSV_Handler             ; PendSV Handler
     55                 DCD     SysTick_Handler            ; SysTick Handler
     56 
     57                 ; External Interrupts
     58                 DCD     WWDG_IRQHandler            ; Window Watchdog
     59                 DCD     PVD_IRQHandler             ; PVD through EXTI Line detect
     60                 DCD     TAMPER_IRQHandler          ; Tamper
     61                 DCD     RTC_IRQHandler             ; RTC
     62                 DCD     FLASH_IRQHandler           ; Flash
     63                 DCD     RCC_IRQHandler             ; RCC
     64                 DCD     EXTI0_IRQHandler           ; EXTI Line 0
     65                 DCD     EXTI1_IRQHandler           ; EXTI Line 1
     66                 DCD     EXTI2_IRQHandler           ; EXTI Line 2
     67                 DCD     EXTI3_IRQHandler           ; EXTI Line 3
     68                 DCD     EXTI4_IRQHandler           ; EXTI Line 4
     69                 DCD     DMA1_Channel1_IRQHandler   ; DMA1 Channel 1
     70                 DCD     DMA1_Channel2_IRQHandler   ; DMA1 Channel 2
     71                 DCD     DMA1_Channel3_IRQHandler   ; DMA1 Channel 3
     72                 DCD     DMA1_Channel4_IRQHandler   ; DMA1 Channel 4
     73                 DCD     DMA1_Channel5_IRQHandler   ; DMA1 Channel 5
     74                 DCD     DMA1_Channel6_IRQHandler   ; DMA1 Channel 6
     75                 DCD     DMA1_Channel7_IRQHandler   ; DMA1 Channel 7
     76                 DCD     ADC1_2_IRQHandler          ; ADC1 & ADC2
     77                 DCD     USB_HP_CAN1_TX_IRQHandler  ; USB High Priority or CAN1 TX
     78                 DCD     USB_LP_CAN1_RX0_IRQHandler ; USB Low  Priority or CAN1 RX0
     79                 DCD     CAN1_RX1_IRQHandler        ; CAN1 RX1
     80                 DCD     CAN1_SCE_IRQHandler        ; CAN1 SCE
     81                 DCD     EXTI9_5_IRQHandler         ; EXTI Line 9..5
     82                 DCD     TIM1_BRK_IRQHandler        ; TIM1 Break
     83                 DCD     TIM1_UP_IRQHandler         ; TIM1 Update
     84                 DCD     TIM1_TRG_COM_IRQHandler    ; TIM1 Trigger and Commutation
     85                 DCD     TIM1_CC_IRQHandler         ; TIM1 Capture Compare
     86                 DCD     TIM2_IRQHandler            ; TIM2
     87                 DCD     TIM3_IRQHandler            ; TIM3
     88                 DCD     TIM4_IRQHandler            ; TIM4
     89                 DCD     I2C1_EV_IRQHandler         ; I2C1 Event
     90                 DCD     I2C1_ER_IRQHandler         ; I2C1 Error
     91                 DCD     I2C2_EV_IRQHandler         ; I2C2 Event
     92                 DCD     I2C2_ER_IRQHandler         ; I2C2 Error
     93                 DCD     SPI1_IRQHandler            ; SPI1
     94                 DCD     SPI2_IRQHandler            ; SPI2
     95                 DCD     USART1_IRQHandler          ; USART1
     96                 DCD     USART2_IRQHandler          ; USART2
     97                 DCD     USART3_IRQHandler          ; USART3
     98                 DCD     EXTI15_10_IRQHandler       ; EXTI Line 15..10
     99                 DCD     RTCAlarm_IRQHandler        ; RTC Alarm through EXTI Line
    100                 DCD     USBWakeUp_IRQHandler       ; USB Wakeup from suspend
    101                 DCD     TIM8_BRK_IRQHandler        ; TIM8 Break
    102                 DCD     TIM8_UP_IRQHandler         ; TIM8 Update
    103                 DCD     TIM8_TRG_COM_IRQHandler    ; TIM8 Trigger and Commutation
    104                 DCD     TIM8_CC_IRQHandler         ; TIM8 Capture Compare
    105                 DCD     ADC3_IRQHandler            ; ADC3
    106                 DCD     FSMC_IRQHandler            ; FSMC
    107                 DCD     SDIO_IRQHandler            ; SDIO
    108                 DCD     TIM5_IRQHandler            ; TIM5
    109                 DCD     SPI3_IRQHandler            ; SPI3
    110                 DCD     UART4_IRQHandler           ; UART4
    111                 DCD     UART5_IRQHandler           ; UART5
    112                 DCD     TIM6_IRQHandler            ; TIM6
    113                 DCD     TIM7_IRQHandler            ; TIM7
    114                 DCD     DMA2_Channel1_IRQHandler   ; DMA2 Channel1
    115                 DCD     DMA2_Channel2_IRQHandler   ; DMA2 Channel2
    116                 DCD     DMA2_Channel3_IRQHandler   ; DMA2 Channel3
    117                 DCD     DMA2_Channel4_5_IRQHandler ; DMA2 Channel4 & Channel5
    118 __Vectors_End
    119 
    120 
    121         AREA    |.text|, CODE, READONLY
    122         ENTRY         ;指示开始执行
    123 Reset_Handler
    124     ;BL.W   RCC_CONFIG_72MHZ 
    125     LDR    R1,=RCC_APB2ENR
    126     LDR    R0,[R1]        ;
    127     LDR    R2,=IOPDEN
    128     ORR    R0,R2        ;
    129     STR    R0,[R1]        ;写,使能GPIOD时钟
    130     ;LED1--PD.8  推挽输出,50MHz
    131     ;LED2--PD.9  推挽输出,50MHz
    132     ;LED3--PD.10 推挽输出,50MHz
    133     MOV    R0,#0x333
    134     LDR    R1,=GPIOD_CRH ;PD.8\9\10均在高寄存器
    135     STR    R0,[R1]
    136 
    137     LDR    R1,=GPIOD_ODR
    138     LDR    R2,=0x00000000
    139     STR    R2,[R1]
    140     ;MOV    R3,#1
    141     B      GOON
    142 GOON
    143     MOV    R0,#1000    
    144     BL.W    DELAY_NMS
    145        LDR    R1,=GPIOD_ODR
    146     LDR    R2,=0x0000FF00
    147     STR    R2,[R1]
    148     MOV    R0,#1000    
    149     BL.W    DELAY_NMS
    150        LDR    R1,=GPIOD_ODR
    151     LDR    R2,=0x00000000
    152     STR    R2,[R1]
    153 
    154     B      GOON
    155     
    156 
    157 
    158 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
    159 ;;;RCC  时钟配置 HCLK=72MHz=HSE*9
    160 ;;;PCLK2=HCLK  PCLK1=HCLK/2
    161 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
    162 RCC_CONFIG_72MHZ
    163      LDR    R1,=0X40021000 ;RCC_CR
    164      LDR    R0,[R1]
    165      LDR    R2,=0X00010000 ;HSEON
    166      ORR    R0,R2
    167      STR    R0,[R1]
    168 WAIT_HSE_RDY
    169      LDR    R2,=0X00020000 ;HSERDY
    170      LDR    R0,[R1]
    171      ANDS   R0,R2
    172      CMP    R0,#0
    173      BEQ    WAIT_HSE_RDY
    174      LDR    R1,=0X40022000 ;FLASH_ACR
    175      MOV    R0,#0X12
    176      STR    R0,[R1]
    177      LDR    R1,=0X40021004 ;RCC_CFGR时钟配置寄存器
    178      LDR    R0,[R1]
    179  ;PLL倍频系数,PCLK2,PCLK1分频设置
    180  ;HSE 9倍频PCLK2=HCLK,PCLK1=HCLK/2
    181  ;HCLK=72MHz 0x001D0400
    182  ;HCLK=64MHz 0x00190400
    183  ;HCLK=48MHz 0x00110400
    184  ;HCLK=32MHz 0x00090400
    185  ;HCLK=24MHz 0x00050400
    186  ;HCLK=16MHz 0x00010400
    187       LDR    R2,=0x001D0400 
    188      ORR    R0,R2
    189      STR    R0,[R1]
    190      LDR    R1,=0X40021000 ;RCC_CR  
    191      LDR    R0,[R1]
    192      LDR    R2,=0X01000000 ;PLLON
    193      ORR    R0,R2
    194      STR    R0,[R1]
    195 WAIT_PLL_RDY
    196      LDR    R2,=0X02000000 ;PLLRDY
    197      LDR    R0,[R1]
    198      ANDS   R0,R2
    199      CMP    R0,#0
    200      BEQ    WAIT_PLL_RDY
    201      LDR    R1,=0X40021004 ;RCC_CFGR
    202      LDR    R0,[R1]
    203      MOV    R2,#0X02
    204      ORR    R0,R2
    205      STR    R0,[R1]
    206 WAIT_HCLK_USEPLL
    207      LDR    R0,[R1]
    208      ANDS   R0,#0X08
    209      CMP    R0,#0X08
    210      BNE    WAIT_HCLK_USEPLL
    211      BX LR  
    212 
    213 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
    214 ;延时R0(ms),误差((R0-1)*4+12)/8 us
    215 ;延时较长时,误差小于0.1%
    216 DELAY_NMS
    217      PUSH   {R1}   ;2个周期
    218 DELAY_NMSLOOP
    219      SUB    R0,#1
    220      MOV    R1,#7200
    221 DELAY_ONEUS
    222         SUB    R1,#1
    223      NOP
    224      NOP
    225      NOP
    226      CMP    R1,#0
    227      BNE    DELAY_ONEUS
    228      CMP    R0,#0
    229      BNE    DELAY_NMSLOOP
    230      POP    {R1}
    231      BX     LR
    232 
    233 
    234 
    235 
    236 ;异常
    237 
    238 NMI_Handler     PROC
    239                 EXPORT  NMI_Handler                [WEAK]
    240                 B       .
    241                 ENDP
    242 HardFault_Handler\
    243                 PROC
    244                 EXPORT  HardFault_Handler          [WEAK]
    245                 B       .
    246                 ENDP
    247 MemManage_Handler\
    248                 PROC
    249                 EXPORT  MemManage_Handler          [WEAK]
    250                 B       .
    251                 ENDP
    252 BusFault_Handler\
    253                 PROC
    254                 EXPORT  BusFault_Handler           [WEAK]
    255                 B       .
    256                 ENDP
    257 UsageFault_Handler\
    258                 PROC
    259                 EXPORT  UsageFault_Handler         [WEAK]
    260                 B       .
    261                 ENDP
    262 SVC_Handler     PROC
    263                 EXPORT  SVC_Handler                [WEAK]
    264                 B       .
    265                 ENDP
    266 DebugMon_Handler\
    267                 PROC
    268                 EXPORT  DebugMon_Handler           [WEAK]
    269                 B       .
    270                 ENDP
    271 PendSV_Handler  PROC
    272                 EXPORT  PendSV_Handler             [WEAK]
    273                 B       .
    274                 ENDP
    275 SysTick_Handler PROC
    276                 EXPORT  SysTick_Handler            [WEAK]
    277                 B       .
    278                 ENDP
    279 ;中断
    280 Default_Handler PROC
    281 
    282                 EXPORT  WWDG_IRQHandler            [WEAK]
    283                 EXPORT  PVD_IRQHandler             [WEAK]
    284                 EXPORT  TAMPER_IRQHandler          [WEAK]
    285                 EXPORT  RTC_IRQHandler             [WEAK]
    286                 EXPORT  FLASH_IRQHandler           [WEAK]
    287                 EXPORT  RCC_IRQHandler             [WEAK]
    288                 EXPORT  EXTI0_IRQHandler           [WEAK]
    289                 EXPORT  EXTI1_IRQHandler           [WEAK]
    290                 EXPORT  EXTI2_IRQHandler           [WEAK]
    291                 EXPORT  EXTI3_IRQHandler           [WEAK]
    292                 EXPORT  EXTI4_IRQHandler           [WEAK]
    293                 EXPORT  DMA1_Channel1_IRQHandler   [WEAK]
    294                 EXPORT  DMA1_Channel2_IRQHandler   [WEAK]
    295                 EXPORT  DMA1_Channel3_IRQHandler   [WEAK]
    296                 EXPORT  DMA1_Channel4_IRQHandler   [WEAK]
    297                 EXPORT  DMA1_Channel5_IRQHandler   [WEAK]
    298                 EXPORT  DMA1_Channel6_IRQHandler   [WEAK]
    299                 EXPORT  DMA1_Channel7_IRQHandler   [WEAK]
    300                 EXPORT  ADC1_2_IRQHandler          [WEAK]
    301                 EXPORT  USB_HP_CAN1_TX_IRQHandler  [WEAK]
    302                 EXPORT  USB_LP_CAN1_RX0_IRQHandler [WEAK]
    303                 EXPORT  CAN1_RX1_IRQHandler        [WEAK]
    304                 EXPORT  CAN1_SCE_IRQHandler        [WEAK]
    305                 EXPORT  EXTI9_5_IRQHandler         [WEAK]
    306                 EXPORT  TIM1_BRK_IRQHandler        [WEAK]
    307                 EXPORT  TIM1_UP_IRQHandler         [WEAK]
    308                 EXPORT  TIM1_TRG_COM_IRQHandler    [WEAK]
    309                 EXPORT  TIM1_CC_IRQHandler         [WEAK]
    310                 EXPORT  TIM2_IRQHandler            [WEAK]
    311                 EXPORT  TIM3_IRQHandler            [WEAK]
    312                 EXPORT  TIM4_IRQHandler            [WEAK]
    313                 EXPORT  I2C1_EV_IRQHandler         [WEAK]
    314                 EXPORT  I2C1_ER_IRQHandler         [WEAK]
    315                 EXPORT  I2C2_EV_IRQHandler         [WEAK]
    316                 EXPORT  I2C2_ER_IRQHandler         [WEAK]
    317                 EXPORT  SPI1_IRQHandler            [WEAK]
    318                 EXPORT  SPI2_IRQHandler            [WEAK]
    319                 EXPORT  USART1_IRQHandler          [WEAK]
    320                 EXPORT  USART2_IRQHandler          [WEAK]
    321                 EXPORT  USART3_IRQHandler          [WEAK]
    322                 EXPORT  EXTI15_10_IRQHandler       [WEAK]
    323                 EXPORT  RTCAlarm_IRQHandler        [WEAK]
    324                 EXPORT  USBWakeUp_IRQHandler       [WEAK]
    325                 EXPORT  TIM8_BRK_IRQHandler        [WEAK]
    326                 EXPORT  TIM8_UP_IRQHandler         [WEAK]
    327                 EXPORT  TIM8_TRG_COM_IRQHandler    [WEAK]
    328                 EXPORT  TIM8_CC_IRQHandler         [WEAK]
    329                 EXPORT  ADC3_IRQHandler            [WEAK]
    330                 EXPORT  FSMC_IRQHandler            [WEAK]
    331                 EXPORT  SDIO_IRQHandler            [WEAK]
    332                 EXPORT  TIM5_IRQHandler            [WEAK]
    333                 EXPORT  SPI3_IRQHandler            [WEAK]
    334                 EXPORT  UART4_IRQHandler           [WEAK]
    335                 EXPORT  UART5_IRQHandler           [WEAK]
    336                 EXPORT  TIM6_IRQHandler            [WEAK]
    337                 EXPORT  TIM7_IRQHandler            [WEAK]
    338                 EXPORT  DMA2_Channel1_IRQHandler   [WEAK]
    339                 EXPORT  DMA2_Channel2_IRQHandler   [WEAK]
    340                 EXPORT  DMA2_Channel3_IRQHandler   [WEAK]
    341                 EXPORT  DMA2_Channel4_5_IRQHandler [WEAK]
    342 
    343 WWDG_IRQHandler
    344 PVD_IRQHandler
    345 TAMPER_IRQHandler
    346 RTC_IRQHandler
    347 FLASH_IRQHandler
    348 RCC_IRQHandler
    349 EXTI0_IRQHandler
    350 EXTI1_IRQHandler
    351 EXTI2_IRQHandler
    352 EXTI3_IRQHandler
    353 EXTI4_IRQHandler
    354 DMA1_Channel1_IRQHandler
    355 DMA1_Channel2_IRQHandler
    356 DMA1_Channel3_IRQHandler
    357 DMA1_Channel4_IRQHandler
    358 DMA1_Channel5_IRQHandler
    359 DMA1_Channel6_IRQHandler
    360 DMA1_Channel7_IRQHandler
    361 ADC1_2_IRQHandler
    362 USB_HP_CAN1_TX_IRQHandler
    363 USB_LP_CAN1_RX0_IRQHandler
    364 CAN1_RX1_IRQHandler
    365 CAN1_SCE_IRQHandler
    366 EXTI9_5_IRQHandler
    367 TIM1_BRK_IRQHandler
    368 TIM1_UP_IRQHandler
    369 TIM1_TRG_COM_IRQHandler
    370 TIM1_CC_IRQHandler
    371 TIM2_IRQHandler
    372 TIM3_IRQHandler
    373 TIM4_IRQHandler
    374 I2C1_EV_IRQHandler
    375 I2C1_ER_IRQHandler
    376 I2C2_EV_IRQHandler
    377 I2C2_ER_IRQHandler
    378 SPI1_IRQHandler
    379 SPI2_IRQHandler
    380 USART1_IRQHandler
    381 USART2_IRQHandler
    382 USART3_IRQHandler
    383 EXTI15_10_IRQHandler
    384 RTCAlarm_IRQHandler
    385 USBWakeUp_IRQHandler
    386 TIM8_BRK_IRQHandler
    387 TIM8_UP_IRQHandler
    388 TIM8_TRG_COM_IRQHandler
    389 TIM8_CC_IRQHandler
    390 ADC3_IRQHandler
    391 FSMC_IRQHandler
    392 SDIO_IRQHandler
    393 TIM5_IRQHandler
    394 SPI3_IRQHandler
    395 UART4_IRQHandler
    396 UART5_IRQHandler
    397 TIM6_IRQHandler
    398 TIM7_IRQHandler
    399 DMA2_Channel1_IRQHandler
    400 DMA2_Channel2_IRQHandler
    401 DMA2_Channel3_IRQHandler
    402 DMA2_Channel4_5_IRQHandler
    403                 B       .
    404 
    405                 ENDP
    406 
    407                 ALIGN
    408 
    409         END
  • 相关阅读:
    (七) rest_framework GenericAPIView/GenericViewSet/ ModelViewSet 解析
    (六) rest_framework 普通分页与加密分页
    (五) rest_framework 序列化与解析器源码实现
    (四) rest_framework 版本控制源码
    【使用 PySpark 分析 CSV 文件】
    安装 HBase1.3.6 on Windows 10 64 bit
    Spark Job 性能调优 (二)
    Spark RDD 分区到底怎么用?
    安装 Spyder python 开发环境 用于 Spark 数据分析 -word count
    安装 Spark on Windows 使用 PySpark
  • 原文地址:https://www.cnblogs.com/sky1991/p/2722640.html
Copyright © 2020-2023  润新知