STM32学习笔记01—STM32F103环境搭建 1.1 STM32F103单片机概述2 i7 S+ q% E% A' m
ARM公司在ARM11以后的产品改用Cortex命名,主要分为三种,Cortex-M系列,Cortex-R系列和Cortex-A系列,Cortex系列属于ARMv7架构,这是2010年为止ARM公司最新的指令集架构,其中Cortex-M主要用于低端的嵌入式控制系统中,Cortex-R主要用于实时系统中,Cortex-A系列则是用于操作系统,智能设备和移动电话等领域,比如常见的Cortex-A15(用于Android,Ubuntu等系统中)。& \3 t' V/ }4 j& r
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意法半导体(ST公司)开发的STM32就属于Cortex-M架构,该架构细分又可以分为M0,M0+,M3,H7等,以最常见的STM32F103为例,该芯片属于Cortex-M3架构,CPU主频72MHz,内置高精度ADC,USART,CAN,USB,SDIO等模块,极大的便于产品的设计。0 B% S* m1 G, J8 a
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; c, p# e% j# {" s( d以STM32F103ZET6为例,该芯片封装为LQFP-144,内置资源如下所示:. i" x6 @- i4 o6 t, g* m
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5 M0 \$ Y* g) I' l(1)1组17通道高精度ADC,1组15通道ADC,1组13通道ADC,转换速度可达1us;
: f/ E# U2 f* F6 s; X(2)1组2路DAC输出;' {" L6 c7 L7 y* [/ y/ K6 O1 N" T
(3)8组高级定时器(可以做电容捕捉,PWM输出,基本定时等功能);
1 |# @4 P% q+ C# g1 E- _(4)高精度RTC模块,2路时钟可选;# r+ l$ `4 Z! A0 B6 `6 r1 ^
(5)1组CAN,支持任意波特率;
~+ ^! B/ r( d4 t( k1 v(6)2组硬件IIC;2 H( M0 ~. a6 g, h+ y8 D; w/ ~
(7)3组硬件SPI;( J& k V/ r7 G! K, V: `) ]
(8)5组串口
7 C9 Y& Z8 b# Q3 f6 R% L4 ^, T(9)1组SDIO模块,用于外接SD卡通信;" ^; t6 k- H* a/ a1 M
(10)1组USB模块,可做主机,可做从机;' c5 r! V+ `. c+ P7 M
(11)2组I2S模块,用于I2S通信;
- p$ o( l8 d. u4 H; H(12)1组CRC模块;) g, [. W8 O! B( d6 c
(13)2组看门狗模块;8 v. V& }. H0 O- Q4 f0 w
(14)1组DMA模块;
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0 g5 M# W+ o& M- T/ @STM32F103ZET6实物图片如下图所示。) m2 L3 H6 H. p- z
1.2 STM32F103ZET6最小系统* ?+ v8 R& x3 D; p9 d, L
1.2.1 原理图
% Y! U( M6 M3 T3 { STM32F103的最小系统由备用电源,下载接口,滤波电容,启动端子和时钟电路组成,其中滤波电容主要用于稳定CPU电源端口电压,由于CPU电源端口有12组,所以利用12个100nF电容来稳定每个端口的电压,布线的时候,每个电容离着供电端口越近越好。
; F2 m/ @8 F! e2 [2 b# V# x1.2.2 时钟电路& w6 s' z: G9 l) a' a
单片机最小系统有两个晶体振荡器,其中8MHz提供主系统工作时钟脉冲,即CPU内核,系统总线和除RTC时钟外其他外设的工作时钟,32.768KHz时钟专用于CPU内部RTC时钟脉冲。' }, }# K8 G1 }
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$ C: k; z5 Y8 K3 U1.2.3 复位电路
6 L- n" M E5 }2 @3 x 由于STM32F103属于低电平复位,所以设计了如上图所示电路进行复位,初始状态电容两端电压为0,相当于低电平,上电后,电容开始充电,随着充电时间的上升,电容两端电压呈现指数上升(电路分析中专门讲解过这部分内容),随着电容充满电,电容两端理论电压逐渐达到3.3V,此时复位结束,如果想要不断电复位,只需要按一下按键S1,按下按键后,电容对地放电,放完电后达到低电平,此时开始复位,然后重复上电复位的过程。$ k3 M8 g2 B+ Z
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a6 W" } B* j7 \9 {8 h1.2.4 启动选择端口
- W/ N$ x' ~! |1 T) A. P, q, |STM32有三种启动方式,通过BOOT0和BOOT1的电平选择,具体分配如下表所示。& n) B4 R* ~2 P B9 ^( p6 j
一般启动程序都在FLASH中启动,如果出现芯片进入低功耗模式或者禁用了调试端口,那么串口激活是唯一的办法,所以建议设计产品的时候,BOOT0和BOOT1两个引脚用0Ω电阻引出来。
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1.2.5 VBAT供电
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VBAT供电主要用于RTC和备份区域数据不丢失使用,当外部3.3V断电之后,二极管D1处于截止状态,此时D2负极处于电平,二极管D2正向导通,通过3V纽扣电池给VBAT供电,防止RTC和备份区域的数据丢失。* L: f3 V: ?5 r
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$ v& u0 N$ y- S/ q( y! q1.2.6 串口下载与SW仿真2 A- G T; U0 h* U
STM32下载程序有两种方式,一种是传统的串口模式,通过BOOT0和BOOT1启动系统存储器,然后将程序烧写进FLASH中,然后断电,设置FLASH启动后就可以启动程序,还有一种特殊的方式,就是SW模式,SW模式一种单线FLASH烧写模式,通过CLK和DATA两根线,将程序直接烧写进FLASH,并且通过这两根线进行在线仿真,可以直接将CPU中所有寄存器的值全部实时读取,用于简化调试过程。这个功能是51单片机不会有的。$ z0 |: X0 r4 t
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1.2.7 电源电路/ @2 A. c- R3 c' H1 |
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1 s4 q( t4 D8 W' D9 k% w STM32F103采用3.3V电源进行供电,但是一般USB接口或者充电宝都是输出DC5V,这就需要一个LDO来进行电压变换,将5V电压转换为3.3V电压供STM32使用。' @) p# |. x$ e8 I+ c: q9 d% t
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! Y# m: x3 _! e- u1.3 STM32工程创建% R& ^6 w* I* W* F( k0 o+ T; u
STM32的程序也是可以使用51的IDE编写的,KEIL作为集成开发环境,现在已经可以大多数主流CPU,比如之前的51系列,这次的ST系列,还有NXP公司的iMX系列等,下面来说明如何使用KEIL来创建STM32程序。
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/ I6 A8 \& ~" } STM32的工程不同于51的工程,需要好几个文件来支持,由于这次创建的是空白工程,所以只需要创建主函数的c文件,启动汇编文件,和STM32寄存器文件。0 D. i* c9 e" @* g ~& u( A, f3 ~
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+ ]1 [0 S+ q' g(1)安装ARM版本的KEIL,从KEIL官网或者文中附带的链接下载安装包,安装时记住不能有中文路径,直接安装即可。
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! f! _7 c# _) s% F9 U. k% y9 w链接:https://pan.baidu.com/s/1cdk69c-CKiF6PfebpbNTAw& d8 n8 Y: c) _. P* p! G
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- a9 Z% y7 l. Y' k# h$ g \提取码:1p94
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(2)安装STM32F1系列固件库,从KEIL官网找到安装包,下载后安装(注:KEIL版本必须是ARM版本的,C51版本安装不上)。9 V: C; B$ d+ ^: F$ f+ H
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' z- K3 k2 ]+ k1 a; z2 i链接:https://pan.baidu.com/s/173qByEAwwrsPMwzvkxDrLA
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提取码:lryg9 w& r- c0 |- @+ Q
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下载固件库之后,双击安装即可。0 K. C/ n& k8 w3 ]4 x7 g7 J0 [
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$ v4 I& A0 O8 S! v( @3 }0 x% p(3)在工程文件夹中创建四个子文件夹,HEADERWARE,OBJECT,USER和SYSTEM,各文件夹内容如下所示。$ P$ w* D3 ]0 F9 W$ |
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USER:存放工程文件,汇编启动文件与主函数的c文件/ v( W( ^* y m5 y K
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SYSTEM:存放系统文件,串口1文件和滴答时钟文件) J4 @0 @5 O! {0 ?6 I( b
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HEADERWARE:存放其他的驱动文件5 F5 q- A( y0 h
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OBJECT:存放编译过程的链接文件以及最终的HEX文件
" O( ]- u! f3 h* P( G(4)新建工程,输入工程保存路径后点击保存。
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(5)选择目标芯片型号,我们使用的芯片型号是STM32F103ZET6
' ^( C# g2 o5 \0 V4 Y) J(6)点击工程设置,添加系统文件夹
. }4 q% e/ G, C+ W/ B) ~ 点击红框选中的位置来新建文件夹,双击新建的文件夹修改名称,创建和步骤3目录一样的文件夹,如下图所示。9 s, D( g s6 ]
(7)创建启动汇编文件
4 k5 T; W2 u. E点击保存,输入文件名stm32f103x.s后保存进User文件夹。- Y, w Q% r3 l7 L+ f3 f/ ?: @$ ^3 h
W' Z3 P+ y+ b( h输入以下代码,由于以下代码是固定的,所以可以直接复制$ O) Q: f1 [# X o8 _) A) m
$ k) \4 H4 ~) c4 Q" B- Stack_Size EQU 0x000004007 w ~8 }, W$ w
+ H2 d2 z g z. J ]6 I3 a" W- AREA STACK, NOINIT, READWRITE, ALIGN=3
8 G8 D( S# j% c9 g3 \8 \ - Stack_Mem SPACE Stack_Size/ ?: r! }, d% R0 k( P5 U
- __initial_sp5 z6 S+ C: R! b4 N* x0 C/ S
- ( q) |$ {# h5 Q1 Y X: w; ~# c: z
- Heap_Size EQU 0x00000200) L+ r# B7 T$ C3 b0 b" y( n
- & w3 R9 ^8 Q3 R A( [+ H T' Y
- AREA HEAP, NOINIT, READWRITE, ALIGN=3" n! t2 o; g6 D& V3 m" N
- __heap_base/ Z" e. V" w- L K6 V
- Heap_Mem SPACE Heap_Size* Z {3 ~' a; L; H
- __heap_limit4 X5 C. z0 v6 q1 f. R
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- PRESERVE8( G0 v2 J, L$ G% v9 `
- THUMB
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- ; Vector Table Mapped to Address 0 at Reset
7 t: {) E: U! O! `6 ?! S0 ` - AREA RESET, DATA, READONLY7 _* f. N9 U' q5 m3 Z# e% H
- EXPORT __Vectors+ w1 |$ `3 `7 q6 Z" \4 r
- EXPORT __Vectors_End" N# c% I' Y" h; {4 @" g& |! p( _
- EXPORT __Vectors_Size
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- __Vectors DCD __initial_sp ; Top of Stack
$ ^. O8 c8 b6 E& X - DCD Reset_Handler ; Reset Handler
/ c& ?% N5 W7 W* R# R( e$ | a - DCD NMI_Handler ; NMI Handler
$ L+ X7 {3 a2 u( V+ q0 T, f - DCD HardFault_Handler ; Hard Fault Handler
. N4 _, F! K0 F( b - DCD MemManage_Handler ; MPU Fault Handler
G6 `/ o! J$ }4 ?& Y7 d. h2 b - DCD BusFault_Handler ; Bus Fault Handler7 F+ q, s4 l6 z4 u! d1 d
- DCD UsageFault_Handler ; Usage Fault Handler! K' _8 G2 }* H
- DCD 0 ; Reserved7 w8 s& L3 V6 g& _7 p
- DCD 0 ; Reserved) q# x% ^ V/ J' h" D' K' \
- DCD 0 ; Reserved! N2 o5 M6 s$ R* o
- DCD 0 ; Reserved8 \) c$ ^: X) U
- DCD SVC_Handler ; SVCall Handler
7 ?8 f# C& n, f$ r( h& n - DCD DebugMon_Handler ; Debug Monitor Handler
% E7 O ^, M; M' p - DCD 0 ; Reserved
* J. N* u" N- i. q - DCD PendSV_Handler ; PendSV Handler
% `# g' H! T) h+ c - DCD SysTick_Handler ; SysTick Handler- Q8 V4 Q) X! r/ i# ^0 g: ^
* J4 w( ~6 n9 M- ; External Interrupts
' y& ^# |, h L3 P0 ?$ J - DCD WWDG_IRQHandler ; Window Watchdog9 z1 m" _ ?: N% `( Q' Y( f+ n7 }
- DCD PVD_IRQHandler ; PVD through EXTI Line detect7 I9 l, X* W% [ L! I$ c8 N+ K
- DCD TAMPER_IRQHandler ; Tamper3 U& t* U" G2 k* F1 e, J( H+ |
- DCD RTC_IRQHandler ; RTC
( t. p0 Z+ C l* G - DCD FLASH_IRQHandler ; Flash
2 P8 w, w5 |% x/ H* q - DCD RCC_IRQHandler ; RCC5 N3 }8 ^$ B* p- L- C, K9 U/ p& h
- DCD EXTI0_IRQHandler ; EXTI Line 0$ k* O7 Z5 G4 M0 s5 f; B
- DCD EXTI1_IRQHandler ; EXTI Line 11 s6 I- I. j0 S
- DCD EXTI2_IRQHandler ; EXTI Line 2+ {/ O& e$ T5 r# }, F' J" T
- DCD EXTI3_IRQHandler ; EXTI Line 3! ~$ B: j* K% d9 J
- DCD EXTI4_IRQHandler ; EXTI Line 4- G- \. u. V* b! N, l
- DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1
2 v: u9 Z* ?9 { - DCD DMA1_Channel2_IRQHandler ; DMA1 Channel 2, P7 ?7 z. d1 w9 g% [3 t
- DCD DMA1_Channel3_IRQHandler ; DMA1 Channel 3$ C1 d3 R# y8 F
- DCD DMA1_Channel4_IRQHandler ; DMA1 Channel 4* g4 X( P. ^# T0 }" `- |6 y
- DCD DMA1_Channel5_IRQHandler ; DMA1 Channel 50 d) x7 s' S# A* a+ `2 G, A3 T
- DCD DMA1_Channel6_IRQHandler ; DMA1 Channel 6 ]- S% i0 R: `4 c
- DCD DMA1_Channel7_IRQHandler ; DMA1 Channel 7# N- a4 O( h6 r r# o+ S- }
- DCD ADC1_2_IRQHandler ; ADC1 & ADC2
& [; W c+ ]2 ?3 Y0 Z* \" Q1 ] - DCD USB_HP_CAN1_TX_IRQHandler ; USB High Priority or CAN1 TX
9 s2 n' v; X' Y5 g6 ?* Z( z) A - DCD USB_LP_CAN1_RX0_IRQHandler ; USB Low Priority or CAN1 RX0
4 N# Q2 s" K4 M( r7 R" d' y3 e - DCD CAN1_RX1_IRQHandler ; CAN1 RX1
4 N( ], v0 V$ q2 A- A9 E - DCD CAN1_SCE_IRQHandler ; CAN1 SCE* T, w3 q3 `" W" h% b$ C Q; Y
- DCD EXTI9_5_IRQHandler ; EXTI Line 9..5# Z/ m8 V+ r* r( |. j
- DCD TIM1_BRK_IRQHandler ; TIM1 Break& a% S7 n% T2 p+ F" k% y* D
- DCD TIM1_UP_IRQHandler ; TIM1 Update
8 e; Y5 ]& d+ f/ O - DCD TIM1_TRG_COM_IRQHandler ; TIM1 Trigger and Commutation
9 i* V8 t! B& k. D - DCD TIM1_CC_IRQHandler ; TIM1 Capture Compare& ~# }, i: I% z9 i$ g
- DCD TIM2_IRQHandler ; TIM2
* K0 T# @0 J( \/ w9 \ - DCD TIM3_IRQHandler ; TIM3, h2 H! R, `5 A+ a- V; i
- DCD TIM4_IRQHandler ; TIM4 F. V: l$ ]! l
- DCD I2C1_EV_IRQHandler ; I2C1 Event( G8 h2 i# B9 M3 i% }$ X7 }
- DCD I2C1_ER_IRQHandler ; I2C1 Error
% {7 c' I# u* G% g- X4 e2 F - DCD I2C2_EV_IRQHandler ; I2C2 Event
9 G/ D( \( ` b Z7 U' d - DCD I2C2_ER_IRQHandler ; I2C2 Error
+ v! t/ d- Q7 ~4 t9 [/ h - DCD SPI1_IRQHandler ; SPI1" v3 P' y7 n- I4 O) ]+ q
- DCD SPI2_IRQHandler ; SPI2
2 j/ R. p* N8 ~) _) ^3 b - DCD USART1_IRQHandler ; USART1
, a4 P' ?* K* G) X0 ]' o - DCD USART2_IRQHandler ; USART2
( ~- p! x) y; ]: p/ F - DCD USART3_IRQHandler ; USART3
' l' K4 d1 Z1 G! F. b% ?6 P - DCD EXTI15_10_IRQHandler ; EXTI Line 15..10 g1 h, Y1 l T' m3 w8 a4 n
- DCD RTCAlarm_IRQHandler ; RTC Alarm through EXTI Line
) T! w9 n- u; C0 E - DCD USBWakeUp_IRQHandler ; USB Wakeup from suspend S9 q# ~* H5 s) [. K
- DCD TIM8_BRK_IRQHandler ; TIM8 Break
3 s: o( x. e+ k/ ^2 S - DCD TIM8_UP_IRQHandler ; TIM8 Update
3 j* I/ y9 Y L' k2 a - DCD TIM8_TRG_COM_IRQHandler ; TIM8 Trigger and Commutation
$ ^0 Y; K6 b) _: \9 D9 N! D" a! D - DCD TIM8_CC_IRQHandler ; TIM8 Capture Compare
* v& v" z! @/ G8 m - DCD ADC3_IRQHandler ; ADC3
" `- N; B7 G% | F - DCD FSMC_IRQHandler ; FSMC! Z' l4 M+ y5 S0 I1 E, K I
- DCD SDIO_IRQHandler ; SDIO1 R2 m' ~% x8 K( [9 G) G
- DCD TIM5_IRQHandler ; TIM5
7 \8 j6 L% O8 f# A7 h8 @ - DCD SPI3_IRQHandler ; SPI3
7 _# p4 K& d9 o8 H+ L. Q" a7 X - DCD UART4_IRQHandler ; UART4; T& W0 J& i7 ^. Y0 r
- DCD UART5_IRQHandler ; UART5
% N, s+ J4 l$ Y) X9 H7 _6 F- \. E - DCD TIM6_IRQHandler ; TIM6
, O. j R0 X- _% y( x0 H - DCD TIM7_IRQHandler ; TIM78 g) ]. h z2 K; g8 t5 p/ g
- DCD DMA2_Channel1_IRQHandler ; DMA2 Channel1
8 Y: f9 g {: o - DCD DMA2_Channel2_IRQHandler ; DMA2 Channel21 I7 K7 c7 L5 }8 u
- DCD DMA2_Channel3_IRQHandler ; DMA2 Channel3
6 f1 R; {5 n4 m- C - DCD DMA2_Channel4_5_IRQHandler ; DMA2 Channel4 & Channel58 L9 ]6 M! l* M8 M7 n" x `" i+ W
- __Vectors_End
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4 g9 X( T+ `1 j' Y- __Vectors_Size EQU __Vectors_End - __Vectors
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' E& l* |" S) V% u! V- AREA |.text|, CODE, READONLY; W' u; r" R$ `: ^! W1 p& `
- ; Reset handler
+ U4 S; L( V: v& h! f- N - Reset_Handler PROC
! U9 {7 s! `' e5 {. ]; z - EXPORT Reset_Handler [WEAK]
+ ~$ \2 [. l' ]3 A" ]& ` - IMPORT __main 8 K5 A2 R/ l, A/ {& |
- LDR R0, =__main' H* ]0 Y# h0 ?
- BX R0- b* u6 b/ k5 K3 @
- ENDP' X, [$ T9 m/ l8 R4 h
& U1 f2 L/ f1 `- ; Dummy Exception Handlers (infinite loops which can be modified)2 l9 P, w2 T) X. s# J
- NMI_Handler PROC* I) p+ H3 [& K9 {+ h; z+ ]
- EXPORT NMI_Handler [WEAK]
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+ r# D! h6 s2 O1 w# b - ENDP
3 s0 o% f, k: U) m* g( j - HardFault_Handler\
; q, u) x* Z6 |( J# E& z ? - PROC
8 ?, J% t) t6 @; d - EXPORT HardFault_Handler [WEAK], h* z' e# [5 k: C) M. X l
- B .' y+ x* Q R$ m& z
- ENDP
) ?8 J: S- ^$ v# a4 k0 j - MemManage_Handler\
% u( O& O7 o) C4 u4 G - PROC1 R: Z: L. U" G2 t; T3 t
- EXPORT MemManage_Handler [WEAK]& Y# t1 W1 \8 r; m3 [2 _1 G7 y/ A8 i
- B .; o' ~* I. ?+ {7 ~2 B
- ENDP
4 ]6 m! q1 n6 o5 J! A/ F% Z m& V- B$ p - BusFault_Handler\+ n, `* V! H/ R+ c. C( D
- PROC
' i: T' c W- U: q - EXPORT BusFault_Handler [WEAK]; c# ^$ x3 q9 B7 x6 {) @
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- ENDP
, y. v3 e8 o% Y' V; p S& b - UsageFault_Handler\0 [+ L4 F* f2 s9 L9 n' e. T$ ]
- PROC
/ P: ^. [2 W; J - EXPORT UsageFault_Handler [WEAK]' U3 N( F8 m4 D) t0 ~: q! a
- B .
5 W9 k8 g0 i' M% U5 V/ z* F" `, G" ~1 X1 t1 s - ENDP7 y0 G. Y) i9 N% n! L0 x* p) j
- SVC_Handler PROC
' T; O& L, f4 N5 F. J1 v - EXPORT SVC_Handler [WEAK]; [# x ~' t6 n, Q
- B .+ d8 S( Z% [/ {) Y6 h
- ENDP* ]. U5 C3 d3 ?, L- }; c7 O- Q' @1 Y
- DebugMon_Handler\
/ `& q, |. ^3 U( A- R - PROC
3 G3 x, h, k% H - EXPORT DebugMon_Handler [WEAK]& ^% O1 k' O' V6 L$ _
- B .- m. w1 z+ @+ G) B `' j, t
- ENDP
9 {! b9 I! ?+ j! o5 K& `) ~3 g" Q - PendSV_Handler PROC
" d9 J# w) q; i2 K S+ | p6 D4 D - EXPORT PendSV_Handler [WEAK]
: T* a/ n0 ^) D& w4 c - B .
; P8 K9 u; z* b" [ - ENDP8 ^) h# j" c6 w7 o% s
- SysTick_Handler PROC
/ x7 k3 d' `3 z0 X! R& C - EXPORT SysTick_Handler [WEAK]% k5 V8 \* D7 U2 ~: L$ I) t: K
- B .
. A$ L+ y( L% E$ V1 M2 ^ - ENDP6 s! w" Y0 l! e9 C5 R% W0 o
9 S6 Z7 W: e7 V% q) m- Default_Handler PROC- ?* ]. P% l6 K, j
- EXPORT WWDG_IRQHandler [WEAK]
% S* W0 b+ ~& M# E+ v - EXPORT PVD_IRQHandler [WEAK]
) y9 x$ l' E$ f( k9 y7 x: H - EXPORT TAMPER_IRQHandler [WEAK]
0 Q/ U9 t3 M7 U) z - EXPORT RTC_IRQHandler [WEAK]+ S0 ^- k1 ]8 e/ t
- EXPORT FLASH_IRQHandler [WEAK]8 Q! a6 P# M# T) M; J- T
- EXPORT RCC_IRQHandler [WEAK] q" A# l6 H$ r+ S) u4 c
- EXPORT EXTI0_IRQHandler [WEAK]
7 i; S9 q& {0 r5 E1 e7 F - EXPORT EXTI1_IRQHandler [WEAK]
# v; k: y3 a$ o - EXPORT EXTI2_IRQHandler [WEAK]
# d2 f" E q" Z- a - EXPORT EXTI3_IRQHandler [WEAK]
7 N9 k) N( Q% M7 W - EXPORT EXTI4_IRQHandler [WEAK]
8 d) J( n7 O( M3 F, x# G) ] - EXPORT DMA1_Channel1_IRQHandler [WEAK]
& {# P: H, j# x) Y% I( U - EXPORT DMA1_Channel2_IRQHandler [WEAK]/ a$ {8 F6 u. w
- EXPORT DMA1_Channel3_IRQHandler [WEAK]; D5 U* Y' w, k
- EXPORT DMA1_Channel4_IRQHandler [WEAK]
4 z5 a; u5 U8 P$ V - EXPORT DMA1_Channel5_IRQHandler [WEAK]
3 \7 X$ b) \6 p- b8 d4 W* S - EXPORT DMA1_Channel6_IRQHandler [WEAK]+ f8 _/ W% F% G* h4 y$ l- \) q% a
- EXPORT DMA1_Channel7_IRQHandler [WEAK]
0 X2 {1 K/ a& A& f - EXPORT ADC1_2_IRQHandler [WEAK]
8 R) o, f! x5 s3 [0 p - EXPORT USB_HP_CAN1_TX_IRQHandler [WEAK]
: J! z+ A6 m0 t6 H* Z - EXPORT USB_LP_CAN1_RX0_IRQHandler [WEAK]3 j4 |& y( o4 w/ y* s6 F
- EXPORT CAN1_RX1_IRQHandler [WEAK]" B, w9 p* y6 R# L
- EXPORT CAN1_SCE_IRQHandler [WEAK]4 N- j& ~5 l9 N0 X6 u+ p
- EXPORT EXTI9_5_IRQHandler [WEAK]. K2 r- ~9 X# b3 z, s W
- EXPORT TIM1_BRK_IRQHandler [WEAK]
! J7 }/ X- H5 J' B( p' ] - EXPORT TIM1_UP_IRQHandler [WEAK]( F% M5 d; x+ {& U( \" q) V) b
- EXPORT TIM1_TRG_COM_IRQHandler [WEAK]2 J. l: F" Q: h1 z4 a1 t
- EXPORT TIM1_CC_IRQHandler [WEAK]
% u7 B, {) n# |; X8 |# h4 x - EXPORT TIM2_IRQHandler [WEAK]
/ y$ ~' H& e0 }% e: x9 Y - EXPORT TIM3_IRQHandler [WEAK]3 [; [( \' E) a! L# n
- EXPORT TIM4_IRQHandler [WEAK]1 c5 x4 P1 ?0 p# y3 w Q
- EXPORT I2C1_EV_IRQHandler [WEAK]% k; [. p4 C1 n$ a
- EXPORT I2C1_ER_IRQHandler [WEAK]
% j4 J2 b$ P* d - EXPORT I2C2_EV_IRQHandler [WEAK]/ J* s O" e: b( W) C! `
- EXPORT I2C2_ER_IRQHandler [WEAK]# x5 t$ _/ A& X
- EXPORT SPI1_IRQHandler [WEAK]! Y: a3 O2 j! b- [1 Y& }$ d5 X. _8 a
- EXPORT SPI2_IRQHandler [WEAK]
- R6 c( P/ {" w, l+ f& f) ^& c - EXPORT USART1_IRQHandler [WEAK]5 w. {, r$ I! N/ B% S9 I3 B- }, }
- EXPORT USART2_IRQHandler [WEAK]
8 b4 L4 _+ u5 w! {6 ~ - EXPORT USART3_IRQHandler [WEAK]) z% C* G$ B$ y! E3 a1 u# ^
- EXPORT EXTI15_10_IRQHandler [WEAK]
3 v' v( x, ~, R; x4 { - EXPORT RTCAlarm_IRQHandler [WEAK]9 Y4 `1 X$ r& b9 W0 w
- EXPORT USBWakeUp_IRQHandler [WEAK]
2 o: Y% y+ m& I - EXPORT TIM8_BRK_IRQHandler [WEAK]
5 [: O+ t2 {/ D( ~; ` - EXPORT TIM8_UP_IRQHandler [WEAK]0 ]2 p7 M! j0 M+ n5 n! v
- EXPORT TIM8_TRG_COM_IRQHandler [WEAK]7 D$ F8 X% L( ^7 F* S
- EXPORT TIM8_CC_IRQHandler [WEAK]
( ~. @ a0 a) _. D3 }$ X - EXPORT ADC3_IRQHandler [WEAK]
8 W& k: @* }+ \! D7 W! k9 J) } - EXPORT FSMC_IRQHandler [WEAK]$ I9 M: Q3 b/ T
- EXPORT SDIO_IRQHandler [WEAK]
1 [" W8 Z2 k+ o- X0 o! ~; Q - EXPORT TIM5_IRQHandler [WEAK]
8 N8 E _) T/ [1 P M - EXPORT SPI3_IRQHandler [WEAK] Y3 f" `8 R7 G3 M; q
- EXPORT UART4_IRQHandler [WEAK]
3 W! T! p: a( _6 A6 I - EXPORT UART5_IRQHandler [WEAK]
+ b5 i. A9 a" c$ b - EXPORT TIM6_IRQHandler [WEAK]" C7 P n$ v- d: \- D) ]- Z
- EXPORT TIM7_IRQHandler [WEAK]
' o, ^) _2 t7 J3 r - EXPORT DMA2_Channel1_IRQHandler [WEAK]- z5 x- y1 {- V
- EXPORT DMA2_Channel2_IRQHandler [WEAK]
5 V9 I$ e) X" K9 J# N1 y, t - EXPORT DMA2_Channel3_IRQHandler [WEAK]
. \- @5 `5 z" w - EXPORT DMA2_Channel4_5_IRQHandler [WEAK]
! O. U' w4 G" Q- G - # D- M. o5 T6 ?3 S4 C; J
- WWDG_IRQHandler
* R9 H" a9 T T) O0 t0 }5 W6 d - PVD_IRQHandler# X9 {2 K) p7 [, m& j$ J- {3 q
- TAMPER_IRQHandler& O# p) J9 Q+ y) Y1 I( M: Y, k
- RTC_IRQHandler2 c1 x& H- Z5 C2 t4 L B' [
- FLASH_IRQHandler# s9 M( N% U9 _9 a" o0 E2 _) R
- RCC_IRQHandler
7 {2 P0 U2 w, S2 s: R8 }0 ^: A' i - EXTI0_IRQHandler
8 F! c+ ~" w7 ~6 x - EXTI1_IRQHandler9 d( f* M7 e& ^5 K
- EXTI2_IRQHandler) F: w' M* a. ~* ~! h
- EXTI3_IRQHandler
9 i5 I* p( }8 z - EXTI4_IRQHandler
. H; F9 r4 S# Z6 S5 M$ x - DMA1_Channel1_IRQHandler7 H, l2 b3 h" o
- DMA1_Channel2_IRQHandler+ _% \( O3 Q) a* }$ @2 z
- DMA1_Channel3_IRQHandler
& k$ \0 D- y$ w# h - DMA1_Channel4_IRQHandler
7 ?' k* o1 d! s+ z. F5 B5 p: d - DMA1_Channel5_IRQHandler& t& z4 C, {4 N1 w$ ^
- DMA1_Channel6_IRQHandler, D3 y" O+ F( {" Q) h" F! f9 V
- DMA1_Channel7_IRQHandler
0 Y$ J4 e+ J3 Z; r( ]- a! B - ADC1_2_IRQHandler
) ^( W- Y( m+ M |* j - USB_HP_CAN1_TX_IRQHandler9 E4 P5 L6 S, } q' [$ |8 R
- USB_LP_CAN1_RX0_IRQHandler. Q) Y( a: G9 I8 p2 J. ~7 X
- CAN1_RX1_IRQHandler
. K/ ~& A7 m! @ - CAN1_SCE_IRQHandler6 n0 y8 @4 b8 T, q- c) o. o# m& z
- EXTI9_5_IRQHandler
% B, ]9 c; F/ Z - TIM1_BRK_IRQHandler
& L- a7 e. [0 C7 u - TIM1_UP_IRQHandler- b0 R- [! H0 N$ @- w5 o
- TIM1_TRG_COM_IRQHandler9 @1 U5 q8 B% ~0 g0 Q0 l
- TIM1_CC_IRQHandler
[2 W! [. X, f4 @8 y; m5 n - TIM2_IRQHandler
2 B; U) n1 T9 [/ b3 e% _ - TIM3_IRQHandler
4 t5 m& g; i9 u: Q - TIM4_IRQHandler
7 @& P9 Q/ Q, S - I2C1_EV_IRQHandler1 b5 g" z; t7 G% u q2 m% T
- I2C1_ER_IRQHandler, t* ]. `* g6 n) W& ~
- I2C2_EV_IRQHandler
2 ], y, `/ \* e4 A6 ^4 t4 k! u! ~" _/ x - I2C2_ER_IRQHandler
0 r. j; ~# {/ |2 ~* O8 s( g - SPI1_IRQHandler
( K+ A9 C7 O7 x/ P Y7 L I# f - SPI2_IRQHandler
4 Y" r7 ], Q+ Z, ?6 w$ q - USART1_IRQHandler8 s8 s) S* Z6 [" y2 z, \' w. T
- USART2_IRQHandler
8 c' Z4 R+ Y5 w1 e( q4 z - USART3_IRQHandler) j9 Y0 L1 W+ z( }- [$ M
- EXTI15_10_IRQHandler
2 N0 ?; m6 o9 H& v) [ - RTCAlarm_IRQHandler
]0 D9 c+ l# w) ^% `* z; h( x6 ? - USBWakeUp_IRQHandler
$ x) l5 F9 E. ]1 I - TIM8_BRK_IRQHandler
; y+ c5 ~5 b& q* a' _ - TIM8_UP_IRQHandler
- J0 y% |9 y0 o6 t - TIM8_TRG_COM_IRQHandler0 b, c8 ^; U0 W) K6 q7 c
- TIM8_CC_IRQHandler
: b' `8 |0 ?0 W' T! o- t3 C) w - ADC3_IRQHandler
7 C a5 E4 W" N1 U K9 F7 x# S- P - FSMC_IRQHandler, v2 B' ^" p* L0 ~4 l4 m
- SDIO_IRQHandler
, Y6 Z) q: q6 W, s8 O8 y! E, _0 i - TIM5_IRQHandler
2 Y- y2 `3 k: ]$ q$ }- f - SPI3_IRQHandler
' `' j0 \- _6 S; q - UART4_IRQHandler9 F* ~. t# R% P) _$ s- N
- UART5_IRQHandler
! ]! r0 D* s& _9 w# m6 j - TIM6_IRQHandler5 s4 w0 q1 l2 N9 w, Q3 p
- TIM7_IRQHandler
8 z8 y2 B& w: [ - DMA2_Channel1_IRQHandler) B+ s& K& W4 R6 } _
- DMA2_Channel2_IRQHandler
8 R6 d6 N6 h( ?) Y - DMA2_Channel3_IRQHandler4 B6 Y% _4 i" C! p8 f) @* u) B
- DMA2_Channel4_5_IRQHandler
1 r) W) q" E3 k Q8 l - B .
8 A4 }; C R- n5 U$ R - ENDP
2 ]6 a; T* d5 ?8 b - ALIGN
) N3 @5 B2 q! Z5 n
# y; q* h" [; k8 M# M$ `" w- ; User Stack and Heap initialization
' d1 v$ Y5 L& b, F" @$ ~ - IF :DEF:__MICROLIB
1 O" D7 S ?' R: R; s# l p - EXPORT __initial_sp
6 |" F9 C/ N* ]) K0 x+ D1 c - EXPORT __heap_base5 C7 d& a. ]3 j
- EXPORT __heap_limit8 m0 | I+ ^( X5 I$ F
- ELSE
" W, Y' ?; o& }8 K+ Y& }: n - IMPORT __use_two_region_memory1 V! S$ w6 x/ J2 _ y
- EXPORT __user_initial_stackheap
5 ]5 r7 F6 K: d7 O$ f% O - __user_initial_stackheap
# c7 k3 L1 D0 l: j - LDR R0, = Heap_Mem
" |: o: B L, x, ]8 l1 G - LDR R1, =(Stack_Mem + Stack_Size) E7 R* X4 E9 G6 f$ a& n7 }" Z
- LDR R2, = (Heap_Mem + Heap_Size)
' I# \" d* h$ ~/ J2 _; [2 c - LDR R3, = Stack_Mem
, D* n* K+ l1 Y! V6 S- c - BX LR
" P# P$ l! L- ~6 P - ALIGN$ X Q2 q @% S* f, r
- ENDIF
}& c- Y. U+ S! n2 ? - END( a( w9 A/ _! |7 ^1 F; s, i
复制代码 0 n* F4 K) g1 X+ ~) l9 G
; U7 t. a2 S! H5 D& t
. r" l3 f5 ~ I0 d
(8)修改链接文件与HEX文件的保存路径
1 U9 Y1 h1 U) k/ G. J, f7 _# R; ~
0 g% c5 ^0 g: Z; N# ?修改HEX的保存路径
( F: h$ k9 B$ h: S! z% {
" o7 i! j# ^4 X) q+ {' J修改链接文件的保存路径" d( ]' h6 ^! E/ R7 h8 |/ P
+ c+ n9 ^( A0 k+ e! ]2 n
8 H3 E4 q3 ?# `4 _
(9)创建主函数的c文件,创建步骤与步骤7一样,只不过保存的时候,文件后缀变为c,例如1.c。将主函数的c文件保存到User目录下4 r- I$ Z5 {: x8 D
% D5 H l& `$ L' X$ Y(10)在c文件下输入如下代码/ c, J6 Q# k) ^" i9 R
" v# b% h6 `; X4 T0 g' ~) C- #include <stdio.h>
3 S1 Z& M: c" S; Y" |0 t! h - int main()
# W) E% Z* \7 ` - {1 e5 g* ~' S5 T! }! T
- while( 1 )- @- l6 S) r }, R- E; }- |
- {$ z( E8 S4 q* p2 \5 I% `5 z
-
; |( ` s% f& b% W' J; M$ u - }( B8 I3 n: n1 S7 Z* e
- }
复制代码 + d5 [) a- U: x) N3 I
(11)将刚才创建的2个文件添加进工程
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6 ^, z, x/ h5 s* g4 W( T# T$ j- o7 \6 s$ n9 Q' v
4 b. b3 F* _ E: {7 }, q; f' B7 q' {
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