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本帖最后由 TLLED 于 2018-12-4 21:37 编辑 《STM32库开发实战指南-基于STM32F103霸道》第15章--节启动文件详解的学习的理解 一、书中错误地方; J; o; {/ R# U7 J' C0 U8 L d$ v: P! J; y5 w! U# T; r' v 启动文件讲解---本是第15章节 
后面几页，页眉变成第16章节。书中有一个错别字。 
$ @% G# {; @- n% {+ D/ ?5 g 二、启动文件的理解' d9 ^( A% |* j4 i9 {* |. c4 e 启动文件是上电后，系统执行的第一个程序，由汇编程序编写，它主要做了以下工作。% ]9 o, l* m; H' {" K( G 1> 初始化堆栈指针 SP=_initial_sp; C4 \7 |& `2 ^6 W5 r" _7 [$ K+ u 2> 初始化PC指针 PC=Reset_Handler, k- `, r) g- u! |+ F& M0 m, h' O' e, t 3> 初始化中断向量表9 ]" i5 T/ R( d7 {, @/ _ 4> 配置系统时钟 5> 调用C库函数_main初始化堆栈，最终调用main函数到C程序。 5 b0 S9 b( n% j9 n$ g! ? 三、对程序的理解 1 U3 Q; Z7 f/ v, A4 O3 r ; }) U o3 E6 d' i# ]2 U 程序代码： ;******************** (C) COPYRIGHT 2011 STMicroelectronics ******************** ;* File Name : startup_stm32f10x_hd.s6 b8 ]/ A/ m5 ?- y" s ;* Author : MCD Application Team ;* Version : V3.5.0 ;* Date : 11-March-2011% k$ d6 t$ K+ Q9 v* W# ^ ;* Description : STM32F10x High Density Devices vector table for MDK-ARM ;* toolchain. ;* This module performs:$ q1 m; p& R9 N+ \4 q ;* - Set the initial SP( q. \6 G# V# H: X! D ;* - Set the initial PC == Reset_Handler ;* - Set the vector table entries with the exceptions ISR address2 w. K: e$ ]) k9 Q1 d4 c ;* - Configure the clock system and also configure the external 8 O* H7 ^' `6 {( P4 G0 J$ y ;* SRAM mounted on STM3210E-EVAL board to be used as data ; ~' E3 K4 Q1 x5 h) F8 I ;* memory (optional, to be enabled by user) ;* - Branches to __main in the C library (which eventually- e# C' e& b7 `4 q ;* calls main()).; v% B! Q+ G/ U* x, I, } ;* After Reset the CortexM3 processor is in Thread mode,( r& u) n V% j- h9 b, j. C1 U! p ;* priority is Privileged, and the Stack is set to Main.% Q! _2 W7 ~* i ;* <<< Use Configuration Wizard in Context Menu >>> ;******************************************************************************* ; THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS- l4 j1 X% ?) t ~! @ ; WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. ; AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,6 q0 z) W6 P' I9 z, P# N ; INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE' I k) z9 w- P! y5 ` ; CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING+ ^6 v9 S" v) Q% v+ l# D ; INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.: h, u. C7 c! B ;******************************************************************************* 4 [; h8 ?$ V6 y' L) y6 G ; Amount of memory (in bytes) allocated for Stack ; Tailor this value to your application needs ; <h> Stack Configuration5 c& s9 U4 `4 O; }' _ ; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> ; </h> Stack_Size EQU 0x00000400 " ]# [' S( T3 v p! K/ C AREA STACK, NOINIT, READWRITE, ALIGN=3& t+ S! c$ \, ?7 q Stack_Mem SPACE Stack_Size ;栈大小1KB，名称STACK，NOINT-不初始化 2^3=8字节对齐 __initial_sp1 ?8 H9 k" K+ n% ~ k- ? ^/ t$ P ; <h> Heap Configuration# y W) j& S4 d1 s# F8 Y3 X ; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8> ; </h> Heap_Size EQU 0x000002002 Z! y' x, p+ o* B& J* P AREA HEAP, NOINIT, READWRITE, ALIGN=3 __heap_base ;堆起始地址 Heap_Mem SPACE Heap_Size ;堆大小512B __heap_limit ;堆结束地址1 ]$ ^1 B/ N2 a7 X& D) j% M PRESERVE8 ;指定当前文件的堆栈按照8字节对齐4 p- d7 h: ~: `& _$ ~ B THUMB ;表示后面兼容THUNB指令集/ G2 {1 K$ y8 F$ r " d. H) N( l' P% K ; Vector Table Mapped to Address 0 at Reset- X' x- @; h$ V2 H; ]" y AREA RESET, DATA, READONLY ;定义一个数据段名称为RESET，只读4 |5 H9 m# |9 }! i& x) y EXPORT __Vectors ;声明全局变量__Vectors: v# r/ [; X& r4 y% ^/ a) `8 U EXPORT __Vectors_End ;声明全局变量__Vectors_End EXPORT __Vectors_Size ;声明全局变量__Vectors_Size __Vectors DCD __initial_sp ; 栈顶地址( p2 x5 F9 T n9 x% T% B DCD Reset_Handler ; 复位处理程序 DCD NMI_Handler ; 不可屏蔽中断处理 DCD HardFault_Handler ; Hard Fault 处理; A. c* G2 ^7 R/ F. a7 c' r DCD MemManage_Handler ; MPU Fault 处理 DCD BusFault_Handler ; Bus Fault 处理 DCD UsageFault_Handler ; Usage Fault 处理2 o! r0 @) c! `. {1 X DCD 0 ; Reserved) R \7 u; f) E$ @' r( L% C2 [6 O DCD 0 ; Reserved DCD 0 ; Reserved, t: u: A* P; ~ DCD 0 ; Reserved DCD SVC_Handler ; SVCall Handler1 ~+ g& [5 X- i5 J8 P DCD DebugMon_Handler ; Debug Monitor Handler DCD 0 ; Reserved2 Q. J) Z- w) i9 s6 x4 W DCD PendSV_Handler ; PendSV Handler DCD SysTick_Handler ; SysTick 处理 4 w$ ]7 `& U5 J9 m& c7 x4 k ; 外部中断开始 DCD WWDG_IRQHandler ; Window Watchdog DCD PVD_IRQHandler ; PVD through EXTI Line detect DCD TAMPER_IRQHandler ; Tamper! z- z: ?- m- w+ N7 ^: O DCD RTC_IRQHandler ; RTC DCD FLASH_IRQHandler ; Flash DCD RCC_IRQHandler ; RCC DCD EXTI0_IRQHandler ; EXTI Line 0( A% f8 O( F5 N7 [& C8 p7 M7 X/ r- n DCD EXTI1_IRQHandler ; EXTI Line 13 G: l8 X# e" \5 H. k2 n* H DCD EXTI2_IRQHandler ; EXTI Line 2( Y# A+ m, L3 P4 M0 Y DCD EXTI3_IRQHandler ; EXTI Line 3 DCD EXTI4_IRQHandler ; EXTI Line 4 DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1: X# L* z' {) v: @/ Q DCD DMA1_Channel2_IRQHandler ; DMA1 Channel 2 DCD DMA1_Channel3_IRQHandler ; DMA1 Channel 3 DCD DMA1_Channel4_IRQHandler ; DMA1 Channel 46 o; X/ ~2 j6 ?$ J( s' C DCD DMA1_Channel5_IRQHandler ; DMA1 Channel 5 DCD DMA1_Channel6_IRQHandler ; DMA1 Channel 60 t3 \5 Y0 O- N9 R4 t. v3 _ DCD DMA1_Channel7_IRQHandler ; DMA1 Channel 7 DCD ADC1_2_IRQHandler ; ADC1 & ADC2 DCD USB_HP_CAN1_TX_IRQHandler ; USB High Priority or CAN1 TX DCD USB_LP_CAN1_RX0_IRQHandler ; USB Low Priority or CAN1 RX0 DCD CAN1_RX1_IRQHandler ; CAN1 RX1+ T1 s+ M2 \ C3 e5 K/ g% ^( Z+ V DCD CAN1_SCE_IRQHandler ; CAN1 SCE& z2 B( T4 M$ }/ O& e DCD EXTI9_5_IRQHandler ; EXTI Line 9..5& r+ }# e; k. q/ j7 h DCD TIM1_BRK_IRQHandler ; TIM1 Break DCD TIM1_UP_IRQHandler ; TIM1 Update DCD TIM1_TRG_COM_IRQHandler ; TIM1 Trigger and Commutation. X- O/ Z4 k, I, C DCD TIM1_CC_IRQHandler ; TIM1 Capture Compare DCD TIM2_IRQHandler ; TIM2 DCD TIM3_IRQHandler ; TIM3% `" l3 U7 K; O. U7 q w" \$ ] DCD TIM4_IRQHandler ; TIM4 DCD I2C1_EV_IRQHandler ; I2C1 Event/ z0 l+ ]4 J3 V% y DCD I2C1_ER_IRQHandler ; I2C1 Error DCD I2C2_EV_IRQHandler ; I2C2 Event4 q7 L* B5 r' e DCD I2C2_ER_IRQHandler ; I2C2 Error5 \. r* F( G; ~1 H5 C; A( H x DCD SPI1_IRQHandler ; SPI1 DCD SPI2_IRQHandler ; SPI25 |! E! ^ ~" X* l( w! x. f2 s DCD USART1_IRQHandler ; USART13 h: L) z0 n$ q' O" j+ w! V) T DCD USART2_IRQHandler ; USART2 DCD USART3_IRQHandler ; USART35 F# n8 m. W( N ]! k DCD EXTI15_10_IRQHandler ; EXTI Line 15..100 x5 n: J1 l% P6 y; H& P DCD RTCAlarm_IRQHandler ; RTC Alarm through EXTI Line+ Q+ b& B9 c" \- ?" Q; k DCD USBWakeUp_IRQHandler ; USB Wakeup from suspend' E& Z, ]8 M9 A5 J0 N& m0 M DCD TIM8_BRK_IRQHandler ; TIM8 Break$ ~- B& y2 z$ ?& b DCD TIM8_UP_IRQHandler ; TIM8 Update9 }" G8 @! e7 Z% Z% ?# f DCD TIM8_TRG_COM_IRQHandler ; TIM8 Trigger and Commutation* m. l1 q7 J! i2 J8 Y DCD TIM8_CC_IRQHandler ; TIM8 Capture Compare DCD ADC3_IRQHandler ; ADC3 DCD FSMC_IRQHandler ; FSMC DCD SDIO_IRQHandler ; SDIO5 x/ P4 V) t u( x DCD TIM5_IRQHandler ; TIM5 DCD SPI3_IRQHandler ; SPI3/ D& J3 }! _! a) Z DCD UART4_IRQHandler ; UART4 DCD UART5_IRQHandler ; UART5, o; N& ~* y8 K1 G# d7 U, h) `, e DCD TIM6_IRQHandler ; TIM6 DCD TIM7_IRQHandler ; TIM7 DCD DMA2_Channel1_IRQHandler ; DMA2 Channel1$ n$ J2 d3 f0 f1 P DCD DMA2_Channel2_IRQHandler ; DMA2 Channel2+ u! f7 J' v+ G2 t DCD DMA2_Channel3_IRQHandler ; DMA2 Channel3$ ^) u' \' S0 B$ D. t& f1 r& ^ DCD DMA2_Channel4_5_IRQHandler ; DMA2 Channel4 & Channel5 __Vectors_End; `! {; `; P2 ~0 T ;向量表从FLASH的0地址开始放置，以4个字节为一个单位，地址0存放的是栈顶地址，0x04存放的是复位程序地址，以此类推。 ;DCD - 分配一个或多个以字为单位的内存，以4字节对齐，并要求初始化这些内存。 __Vectors_Size EQU __Vectors_End - __Vectors //向量表大小+ M% _6 y- T% ?& t % v# \! L2 v6 A6 V' K+ K) F0 K AREA |.text|, CODE, READONLY ;定义一个.text名称的代码段，只读 7 w) B% H, r0 }# }3 F- h. C ; 复位处理 Reset_Handler PROC ; PROC-定义子程序与ENDP成对使用! m+ U1 Q n. u- j EXPORT Reset_Handler [WEAK] ;声明Reset_Handler，可被外部使用的全局属性! r% K ^0 p- a/ {# u% _: [+ T IMPORT __main ;声明外部文件 IMPORT SystemInit ;声明外部文件，类似于C语言的extern外部声明+ L( H- ]5 b/ D9 |7 r' ^ LDR R0, =SystemInit4 |# j8 l9 i( h% d; {; p BLX R0 ;跳转到SystemInit地址执行 LDR R0, =__main BX R0 ;跳转到__main地址执行3 u3 Q6 W3 W5 O- f" f' p ENDP ;子程序结束 ; Dummy Exception Handlers (infinite loops which can be modified)4 N9 O' K3 ^6 B; s7 P" g a NMI_Handler PROC ;异常处理" E: d% S$ l# t6 m* O% @3 e6 q+ T8 r EXPORT NMI_Handler [WEAK] B . ;无限循环& p& m; g% b, b } ENDP HardFault_Handler\ PROC! Y5 l+ S4 R. `5 `4 C! n! ?, v5 d$ Y EXPORT HardFault_Handler [WEAK]0 R3 g6 q" V6 c) c. R B . ENDP# i: T/ l, t9 R! @$ Y( u MemManage_Handler\ PROC EXPORT MemManage_Handler [WEAK]& P. p9 p( n4 ^* E B . ENDP BusFault_Handler\! w; }, z" M# e) M3 q: } PROC- O* i {) k r4 ~/ ?2 \ EXPORT BusFault_Handler [WEAK] B . ENDP UsageFault_Handler\% R. |; U$ C% ~7 q/ H! B PROC, s6 d7 k, e" T! c8 L* G3 [ EXPORT UsageFault_Handler [WEAK] B . ENDP SVC_Handler PROC EXPORT SVC_Handler [WEAK] B . ENDP0 {; D! Q) ]: |6 p9 R DebugMon_Handler\9 ]* Q- ]' b- r. W PROC% J" F( \- l! \$ ` EXPORT DebugMon_Handler [WEAK]# L1 s8 w+ I5 i6 P2 A B . s r% J& S6 f3 _ ENDP1 }% \! |. d" r PendSV_Handler PROC EXPORT PendSV_Handler [WEAK] B . k, n, b: ]; G ENDP SysTick_Handler PROC EXPORT SysTick_Handler [WEAK] B . ENDP. v" D& P; D9 @ Default_Handler PROC EXPORT WWDG_IRQHandler [WEAK]( ?' @7 U" I% l EXPORT PVD_IRQHandler [WEAK]: K6 V5 }& F+ A& v% b9 m% L EXPORT TAMPER_IRQHandler [WEAK] EXPORT RTC_IRQHandler [WEAK] EXPORT FLASH_IRQHandler [WEAK]- o# Y _8 Q' S" S, B EXPORT RCC_IRQHandler [WEAK] EXPORT EXTI0_IRQHandler [WEAK]1 s6 M' Z; c( D( p9 J3 l, i EXPORT EXTI1_IRQHandler [WEAK]9 Q+ c3 z6 L1 k1 s r EXPORT EXTI2_IRQHandler [WEAK]1 N/ i( v# i8 o: { EXPORT EXTI3_IRQHandler [WEAK]( K5 J" E9 A% y9 I7 M EXPORT EXTI4_IRQHandler [WEAK] EXPORT DMA1_Channel1_IRQHandler [WEAK] EXPORT DMA1_Channel2_IRQHandler [WEAK]- P9 u, E: k/ B% Q EXPORT DMA1_Channel3_IRQHandler [WEAK] EXPORT DMA1_Channel4_IRQHandler [WEAK]$ t: t* B( b% b% U1 g" O EXPORT DMA1_Channel5_IRQHandler [WEAK]* i- n' `6 w3 I3 S* `4 }1 P1 v7 x( | EXPORT DMA1_Channel6_IRQHandler [WEAK] EXPORT DMA1_Channel7_IRQHandler [WEAK] EXPORT ADC1_2_IRQHandler [WEAK] EXPORT USB_HP_CAN1_TX_IRQHandler [WEAK]9 l6 a2 U( w0 W6 {5 i EXPORT USB_LP_CAN1_RX0_IRQHandler [WEAK] EXPORT CAN1_RX1_IRQHandler [WEAK]; b+ H, U1 k' _8 I5 Q# i EXPORT CAN1_SCE_IRQHandler [WEAK]. h8 q: c) J! R: C EXPORT EXTI9_5_IRQHandler [WEAK] EXPORT TIM1_BRK_IRQHandler [WEAK]' R: h( C& J, I7 {; f+ { EXPORT TIM1_UP_IRQHandler [WEAK] EXPORT TIM1_TRG_COM_IRQHandler [WEAK]) T s& s7 [, R( M5 Z EXPORT TIM1_CC_IRQHandler [WEAK]; s5 q9 v' H- C4 `# E9 h& Z EXPORT TIM2_IRQHandler [WEAK] EXPORT TIM3_IRQHandler [WEAK]* e0 u6 ^; Q7 A EXPORT TIM4_IRQHandler [WEAK]/ P& [. c& E& i EXPORT I2C1_EV_IRQHandler [WEAK] EXPORT I2C1_ER_IRQHandler [WEAK] EXPORT I2C2_EV_IRQHandler [WEAK] EXPORT I2C2_ER_IRQHandler [WEAK] EXPORT SPI1_IRQHandler [WEAK] EXPORT SPI2_IRQHandler [WEAK]+ g: s7 }$ u# a4 ? EXPORT USART1_IRQHandler [WEAK]* f _# C) T7 b7 B EXPORT USART2_IRQHandler [WEAK] EXPORT USART3_IRQHandler [WEAK]2 Z0 N5 t2 F4 E, s2 a) n EXPORT EXTI15_10_IRQHandler [WEAK] EXPORT RTCAlarm_IRQHandler [WEAK] EXPORT USBWakeUp_IRQHandler [WEAK], M5 E8 Y, o z$ ^8 w$ { EXPORT TIM8_BRK_IRQHandler [WEAK]& w7 E( U% K6 n' G: G EXPORT TIM8_UP_IRQHandler [WEAK]9 p, i1 T1 m' G @' H& Q6 E7 } EXPORT TIM8_TRG_COM_IRQHandler [WEAK] EXPORT TIM8_CC_IRQHandler [WEAK]4 T+ m, B: e5 G E# M" d EXPORT ADC3_IRQHandler [WEAK]' n/ U: h7 l1 T7 [ w EXPORT FSMC_IRQHandler [WEAK]7 ]% L/ G D! \( D EXPORT SDIO_IRQHandler [WEAK], A" g5 c* ]1 U, E EXPORT TIM5_IRQHandler [WEAK]8 x2 Q3 G% K4 B# k' Q EXPORT SPI3_IRQHandler [WEAK]6 t) d: {4 O1 R) g8 U4 u EXPORT UART4_IRQHandler [WEAK]9 t2 H' n. F4 u) w$ V& I EXPORT UART5_IRQHandler [WEAK]. D9 n5 O0 \" A; p/ c EXPORT TIM6_IRQHandler [WEAK]0 a" m9 l$ \( F EXPORT TIM7_IRQHandler [WEAK]0 g! ^& b. d% H# z. c. D EXPORT DMA2_Channel1_IRQHandler [WEAK] EXPORT DMA2_Channel2_IRQHandler [WEAK]' F% _. Q. b) \ EXPORT DMA2_Channel3_IRQHandler [WEAK]* v8 @" U j( m EXPORT DMA2_Channel4_5_IRQHandler [WEAK]$ T( N3 n1 l; \, L+ ^4 S- z ' I Q5 w7 x: T5 ~ WWDG_IRQHandler PVD_IRQHandler- J2 |- \" |/ G6 B; c& k( J0 I TAMPER_IRQHandler RTC_IRQHandler FLASH_IRQHandler RCC_IRQHandler EXTI0_IRQHandler EXTI1_IRQHandler EXTI2_IRQHandler% z9 [! c! h: b! x% U EXTI3_IRQHandler4 K. f; c: y& j0 {6 |/ r2 k& W EXTI4_IRQHandler0 ]1 x r* i4 {( w: W) U DMA1_Channel1_IRQHandler DMA1_Channel2_IRQHandler2 Y: f' D" e- |; T4 M; } DMA1_Channel3_IRQHandler DMA1_Channel4_IRQHandler DMA1_Channel5_IRQHandler# d9 O! L+ G8 Y# I. N DMA1_Channel6_IRQHandler DMA1_Channel7_IRQHandler' ~ Z& `3 G# x6 C/ s+ o ADC1_2_IRQHandler2 p) y/ P- y: _ USB_HP_CAN1_TX_IRQHandler USB_LP_CAN1_RX0_IRQHandler CAN1_RX1_IRQHandler4 f# D. Y4 l3 s, ^- ^ CAN1_SCE_IRQHandler EXTI9_5_IRQHandler TIM1_BRK_IRQHandler' G f) w3 D" Y TIM1_UP_IRQHandler6 k0 I( N2 F" [8 c& D TIM1_TRG_COM_IRQHandler V5 a8 ]* t( ^7 x TIM1_CC_IRQHandler% d! [% W( b1 b5 o) [! l/ E TIM2_IRQHandler TIM3_IRQHandler TIM4_IRQHandler I2C1_EV_IRQHandler I2C1_ER_IRQHandler I2C2_EV_IRQHandler' J n& ]1 A7 P" P/ p I2C2_ER_IRQHandler: w% C1 ?: y" a1 i% @( S Z SPI1_IRQHandler SPI2_IRQHandler0 r) v6 V: f+ H: _9 T USART1_IRQHandler USART2_IRQHandler USART3_IRQHandler; I* x3 ]( q4 p- Z EXTI15_10_IRQHandler RTCAlarm_IRQHandler P( T2 T- e1 ?" |: | USBWakeUp_IRQHandler* E; c" T$ q! \/ k TIM8_BRK_IRQHandler" Z& I2 h! _" b4 o( j TIM8_UP_IRQHandler7 v" O+ q% @& S# O4 \0 J TIM8_TRG_COM_IRQHandler TIM8_CC_IRQHandler ADC3_IRQHandler1 y% |4 C3 `, n5 O FSMC_IRQHandler5 N7 B/ P5 _# L) l, E SDIO_IRQHandler7 p, k w, h$ x2 @7 k" s3 F TIM5_IRQHandler SPI3_IRQHandler& V$ b! {' e( x UART4_IRQHandler UART5_IRQHandler TIM6_IRQHandler TIM7_IRQHandler DMA2_Channel1_IRQHandler* r8 H1 ]8 N G9 F6 Z DMA2_Channel2_IRQHandler DMA2_Channel3_IRQHandler DMA2_Channel4_5_IRQHandler- B2 @5 _; q0 \& B% K; f B .6 ^3 z$ w$ C" [4 s$ B5 y" X ENDP8 u+ w- \2 p' D ALIGN ;对指令或者数据存放的地址进行对齐，后面会跟一个立即书，缺省表示4个字节 7 t, r# c3 J, p3 u% [* a# R3 [+ _ ;*******************************************************************************, K2 L8 E' u' z ; User Stack and Heap initialization9 [* V/ L4 g) z8 U5 | ;******************************************************************************* IF : DEF:__MICROLIB ;这个宏在Keil里面开启 EXPORT __initial_sp ;声明标号 EXPORT __heap_base ;声明标号，栈起始地址. ?6 d) c2 O6 i3 E8 ]$ n EXPORT __heap_limit ;声明标号，栈结束地址1 Q& m9 ?: N% T% M: R+ p: P & m% K0 y3 M( V6 {8 R& D ? ELSE " g4 r6 o' |% b2 k& }4 z! [ 6 S0 h0 E3 k D, j* C5 v5 l' T IMPORT __use_two_region_memory ;这个函数由用户自己实现 EXPORT __user_initial_stackheap . x# t# s* B6 j$ J __user_initial_stackheap LDR R0, = Heap_Mem LDR R1, =(Stack_Mem + Stack_Size) LDR R2, = (Heap_Mem + Heap_Size) LDR R3, = Stack_Mem/ k8 A# u% M1 F, Z% W0 _4 ~ BX LR) ^5 t. s5 u* L8 H. J ) x& A8 P/ Y: i4 n ALIGN ENDIF$ P/ U0 B5 z- J1 ? END ;******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE*****4 P3 B4 L% t! ?5 g - {3 J( O3 o1 g i9 N. C 以上是通过本章节学习的一点理解，还有不足之处，后续再深入学习。 r( Q" D7 x7 g, e2 M U2 t; B 5 A& ~) w+ F9 t1 Y M' b! K Z6 T- I4 \) i! i 8 A" `" ]1 U1 e* w 4 y2 [* D `2 ?2 j" g* E8 u8 e |
STMCU-管管
回答时间：2018-12-6 14:33:31
支持 |
