1、RCC相关:) t" i7 A' X- @9 S4 ~" K: s
, D6 C8 @& l8 {& u
APB2启动时钟项:
) Q& R- w! E9 I- RCC_APB2Periph_AFIO, RCC_APB2Periph_GPIOA, RCC_APB2Periph_GPIOB,/ k! s0 V0 L: E3 O; m# L
. |; h$ j* j" ?! M- RCC_APB2Periph_GPIOC, RCC_APB2Periph_GPIOD, RCC_APB2Periph_GPIOE,
" r- I# n, \9 R
8 X, E2 I# ?" i. W' P/ o0 @- RCC_APB2Periph_GPIOF, RCC_APB2Periph_GPIOG, RCC_APB2Periph_ADC1,# L' O+ t% s9 I6 P- n. h+ \
- # E2 T, {$ ?. E7 V7 o6 S, }- L
- RCC_APB2Periph_ADC2, RCC_APB2Periph_TIM1, RCC_APB2Periph_SPI1,
! i- _$ N' f/ g; u6 ^ `% U. P0 d4 e - 4 k6 |/ @8 x( F0 ]9 s! t* V9 k
- RCC_APB2Periph_TIM8, RCC_APB2Periph_USART1, RCC_APB2Periph_ADC3,
- U/ R- |- G. v$ u - : l* e2 u! h4 u6 n1 i
- RCC_APB2Periph_ALL
复制代码 : t" I: R" K2 u
APB2启动函数: . ?5 a( G! J0 T: w; [# ~
- RCC_APB2PeriphClockCmd(XX,ENABLE);
复制代码
: \* c4 b- l! \9 K
$ W+ a5 x" I9 j" |9 {; dAPB1启动时钟项:
2 D! v4 g- ^ r3 T4 ~6 |8 O# E- RCC_APB1Periph_TIM2, RCC_APB1Periph_TIM3, RCC_APB1Periph_TIM4,$ r% q8 c, X* e# B4 w3 n' n
# s h- u; w& L- RCC_APB1Periph_TIM5, RCC_APB1Periph_TIM6, RCC_APB1Periph_TIM7,
0 h3 M. F2 S$ p e. s
8 [6 F( w, `3 }! w& G- RCC_APB1Periph_WWDG, RCC_APB1Periph_SPI2, RCC_APB1Periph_SPI3,# W# j- y g, _" K1 x6 q
* F! v! u2 Q, l {$ B) E, z3 t- RCC_APB1Periph_USART2, RCC_APB1Periph_USART3, RCC_APB1Periph_USART4,
+ J |: ]; [' O$ f7 { - & p1 _2 h; P% l) n j# ~8 x4 ]
- RCC_APB1Periph_USART5, RCC_APB1Periph_I2C1, RCC_APB1Periph_I2C2,/ [& D0 I- _$ w& }+ ]
! K, n9 b! Q( _; [- RCC_APB1Periph_USB, RCC_APB1Periph_CAN1, RCC_APB1Periph_BKP,& z) ~) C' y4 R6 ?- n2 h
+ a# K* ~1 K; [7 t6 o- t5 n5 [8 t- RCC_APB1Periph_PWR, RCC_APB1Periph_DAC, RCC_APB1Periph_ALL
复制代码 1 W0 T: q3 M5 |; G& @. ^
APB1启动函数:
( g$ C; f* L w; c7 D- RCC_APB2PeriphClockCmd(XX,ENABLE);
复制代码
" q$ E6 P+ V) p# X: r4 HAHB启动时钟项:8 t3 K. {2 K: _/ V/ U
- RCC_AHBPeriph_DMA1( q7 \8 |" Y$ q+ a8 w( M, R
- 7 B9 h0 |$ ~# A6 U5 X
- RCC_AHBPeriph_DMA2# K& ]! ~& E+ s% W3 M9 i$ ^
- 6 q; I. S' Q: d- h: l$ H& x
- RCC_AHBPeriph_SRAM
3 J+ T/ V/ u# R- k+ Z7 \
, U1 J- x/ M& v" O+ b& ]1 s- RCC_AHBPeriph_FLITF: U# J5 ^0 g, }; O4 n
- - G: K3 h3 ~! U
- RCC_AHBPeriph_CRC
$ d- |& J/ f4 `# r - ! U! w- X$ W( x. F
- RCC_AHBPeriph_FSMC. q! P+ w8 A8 D
+ m# T: p% L" q) i- RCC_AHBPeriph_SDIO
复制代码 - `! p! E/ [( \+ L7 G7 U/ B1 Z
AHB启动函数: f1 [" u/ H5 F# k
- RCC_AHBPeriphClockCmd (XX,ENABLE);
复制代码
1 h, u- N; h* H: E6 q# c2、GPIO相关:
6 R. s* U: a+ ^. n* j1 lGPIO模式: u# A8 L6 c: m6 r& D$ }6 Q1 }2 L
- GPIO_Mode_AIN:模拟输入 GPIO_Mode_IN_FLOATING:浮空输入
- E! g9 y2 A3 w1 S' s% ^: }* W
% L: Y$ C; t7 b" }- GPIO_Mode_IPD:下拉输入 GPIO_Mode_IPU:上拉输入, A5 O$ ]# S9 h8 M2 k, P
2 y9 v+ w0 M; I4 z {- GPIO_Mode_Out_OD:开漏输出 GPIO_Mode_Out_PP:推挽输出
. w( s5 y% }1 T8 ^/ [4 ?
3 }, K" R' @! ~$ n. M- O- GPIO_Mode_AF_OD:复用开漏输出 GPIO_Mode_AF_PP:复用推挽输出 e) Y7 I* a8 o) G* N6 H/ Z
复制代码 9 g) z/ \6 j% Y& {8 q5 b J
GPIO速度:5 d- P8 n+ N" c$ K9 x) b, H
7 x/ D6 ?8 B! |. @0 H- {) [& q" n
- GPIO_Speed_2MHz i: H L( V* U7 G" J
* X5 L( X0 [6 U! d7 s- [8 Z- GPIO_Speed_10MHz* C# D4 L9 q7 M$ ?6 W9 [$ X
1 j' {! X! _# ?( D- GPIO_Speed_50MHz
复制代码
. X# M; H6 z! M! k3 e9 k# T$ R, TGPIO引脚声明:, P" T7 F3 l$ b. Z8 f6 h
- <span style="background-color: rgb(255, 255, 255);">G</span>PIO_InitStructure.GPIO_Pin = GPIO_Pin_x; x:1~15或者all
" u; w: P! o! t0 L
复制代码 e) K8 Q A2 Y$ O
GPIO初始化函数:
) f9 j3 ^- m/ C+ }. T! ^* K- GPIO_Init(GPIOx, &GPIO_InitStructure); x:A~G
复制代码 注:需要定义GPIO结构体变量,GPIO_InitTypeDef GPIO_InitStructure;' ?! O! q! g+ }+ r$ ]% ^
3 q% L" [; t) k3、ADC相关
1 s4 w1 j5 |# N- a2 K/ P最好需要重新初始化:ADC_DeInit(ADCx);
: t$ T. j8 @/ }
( X3 q+ D& |' v% d6 r, eADC工作模式选择:
# O+ Y* S' ~1 c* U0 _- ADC_Mode_Independent:独立工作
8 z+ H. c- Q, W" `! p - ' i5 h6 Y! B% {6 T* Y. ]
- ADC_Mode_RegInjecSimult:混合同步+注入同步
& D. o7 K& ]. R$ A - 9 f5 S4 x' z3 y, a, n5 ]4 |
- ADC_Mode_RegSimult_AlterTrig:混合同步+交替触发
& s$ @8 c* W2 u. v5 m" x# y$ v - M7 ^0 J: V: G. K2 G1 I0 | y7 X" l
- ADC_Mode_InjecSimult_FastInterl:混合同步+快速交替7 X+ W' D+ O: f0 l, @
- ; f( M2 ^( i1 W( u
- ADC_Mode_InjecSimult_SlowInterl:混合同步+慢速交替; c. `, z2 d. }& m# f! C# h1 V
- * p+ v# ?2 d& t. v( C8 E
- ADC_Mode_InjecSimult:注入同步
, y/ c! y7 \# L# p. s - + N6 \5 n1 l' `$ U
- ADC_Mode_RegSimult:规则同步" r6 z9 F) A" t' L# O
- i }, [7 `# e6 {$ Y( x- ADC_Mode_FastInterl:快速交替 : T: W9 W/ r& i6 ?7 \ r
- " r0 e' x. `( `4 |8 j' h+ P
- ADC_Mode_SlowInterl:慢速交替: J9 |# p* G3 E8 t- W) _
- Q6 R: @/ @( ^' m
- ADC_Mode_AlterTrig:交替触发
; v# A" ~9 `3 U9 N( _3 ^7 ]: b - 9 E1 c( B/ X. j' {
- 通过ADC_InitStructure.ADC_Mode = XX进行赋值
复制代码 $ ~# z; j- o. V+ `* b* k
ADC扫描使能:
0 u" o- Z. G/ Y5 n1 f; ]- ADC_InitStructure.ADC_ScanConvMode = ENABLE;
复制代码 K& ?/ Y; A3 B+ C; ^- Z* q& k$ P
ADC连续 /单次模式选择:
* S( ]2 b# X3 K3 a$ V- ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
复制代码 $ g; T( }( f7 X& a! h
ADC转换控制方式:
6 }: X, t+ v, e3 v! b2 v7 Q- ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;//有软件控制转换
复制代码
8 f: ^ I) v2 ~" o9 _ADC数据对齐方式;- ADC_DataAlign_Right:右对齐 / ADC_DataAlign_Right:左对齐 H8 w* ~ k) N$ i5 c
" Y% f5 V9 {# G3 k) I6 n- ADC_InitStructure.ADC_DataAlign =XX
复制代码
/ [1 G8 L4 \* Q5 V- V' iADC转换通道数: - ADC_InitStructure.ADC_NbrOfChannel = X // X=1~16
复制代码
$ h/ n/ {1 Z" |& M A% JADC初始化函数: - ADC_Init(ADCx, &ADC_InitStructure);
复制代码 注:在开始要定义结构体变量 ADC_InitTypeDef ADC_InitStructure
- n$ G" q2 O; T) \# y2 e( D. [) \7 j( D4 i
是否使能ADCx DMA : - ADC_DMACmd(ADCx, ENABLE);
复制代码 + \/ R. S5 j8 ^: l
使能ADCx:
: F# n% C# T( f5 q# j& ?5 m( Y1 @/ I3 W( Y+ Q* u7 H
初始化ADC1校准寄存器:, j8 J7 O. E5 F! O: B
- ADC_ResetCalibration(ADCx);
复制代码
) ], u9 ~, r) ?; l9 [7 F+ B检测ADC1校准寄存器初始化是否完成:& t" g" d8 b) z" S$ S2 }2 Y. j
- while(ADC_GetResetCalibrationStatus(ADCx));
复制代码 ( m3 K# v" j! u9 X: H
开始校准ADC1: - ADC_StartCalibration(ADCx);
复制代码
) _# A4 f$ D- }5 J3 ~9 Y& n检测是否完成校准:
# S; M6 Z8 c$ J* C1 G' s( Q9 ?- while(ADC_GetCalibrationStatus(ADCx));
复制代码 7 L. ~. Q: L* ?, P2 n" I4 g
ADC1转换软件启动: - ADC_SoftwareStartConvCmd(ADCx, ENABLE);
复制代码 / A+ f' u+ E x- n; ~- Q1 N; {( S0 W
4、DMA相关:
+ k" @# P/ } _: n复位通道:0 `3 o5 A3 K$ z# }. ^- G
- DMA_DeInit(DMAy_Channelx);//复位DMAy通道x,y=1时,x=1~7;y=2时,x=1~5
复制代码
3 w% `7 o; W0 k; D7 C定义外设基地址,全局变量:
& @3 J! u: B* s9 I6 i1 b- DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;//地址自己定义
复制代码 如:#define ADC1_DR_Address ((u32)0x4001244C)+ k+ x# U6 k# h& u
; z" C3 Q& B8 N, ? T. d0 r( \& S
定义DMA存储器地址,全局变量u32* ?0 ^2 G# E9 X4 x
- DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue; //定义DMA通道存储器地址
复制代码 如:volatile unsigned short int ADC_ConvertedValue[8];1 R/ S' e1 R+ @2 X
! }& d; `) n) M4 TDMA外设方向:
" |8 Y# b5 A3 P) F( W( p6 [- DMA_InitStructure.DMA_DIR = XX;
复制代码 DMA_DIR_PeripheralSRC:外设为数据传输的来源,DMA_DIR_PeripheralDST:外设为数据传输的目的地0 N/ h1 Z5 y) g7 ]2 r
0 Y7 }4 Y) z* L! kDMA传输数量寄存器值,即缓存大小,单位由MemoryDataSize或PeripheralDataSize决定:5 q( _* @ @# w, n1 ?. g+ d
$ c M1 Y1 t t L
DMA_InitStructure.DMA_BufferSize = x;# `% A0 W5 Z3 o: y5 n* s4 |
B. G% v( n8 m" _# D2 q//定义DMA缓冲区大小x,如8通道ADC,则x就为82 O. Z! [+ s6 l- Y, |; U) b
' u p n7 r2 NDMA外设地址寄存器变不变:. o5 O7 _ R5 }" d8 J/ N
- DMA_InitStructure.DMA_PeripheralInc = x;
复制代码 ! C5 T e0 A' T' c
DMA_PeripheralInc_Disable:外设地址寄存器不变 DMA_PeripheralInc_Enable:外设地址寄存器递增2 Q% g* t7 }6 X
' U; _) V! j; i# T/ F
DMA内存地址寄存器变不变:' F4 l. m) i* L! \" [' j
- DMA_InitStructure.DMA_MemoryInc = X;
复制代码 S, ]/ _0 `% O' c& n, g
DMA_MemoryInc_Disable:内存地址寄存器不变 DMA_MemoryInc_Enable:内存地址寄存器递增
+ w9 q6 {. O. q$ J3 r0 l3 a4 M3 X: `# |, o/ }1 f. v
外设数据宽度:
" A) p M- k, ?( t% A- DMA_InitStructure.DMA_PeripheralDataSize = X;
复制代码 5 j0 Z% ^9 S' x$ M
DMA_PeripheralDataSize_Byte 数据宽度为8位% R7 c: |" b$ \& o
- B: ~% m" E- J# N. _+ V
DMA_PeripheralDataSize_HalfWord 数据宽度为16位: Q+ ]. {5 u- @8 M) }: d3 X
" a5 U( M, T# p6 w6 j: MDMA_PeripheralDataSize_Word 数据宽度为32位0 i! {- t' |8 G5 F
' D) S9 Q6 }4 s9 y% @* D0 X/ Y; l2 C% G/ L+ s, `7 Z
存储器数据宽度:
4 q+ y; M5 t8 y: S7 h/ l- DMA_InitStructure.DMA_MemoryDataSize = X;
复制代码
2 k4 Y8 R1 k3 t( z& YDMA_MemoryDataSize_Byte 数据宽度为8位/ ?- o5 I$ _1 l0 D" [, M) ~/ }
# p; S: U4 L1 ?# F! J4 B/ p# |% s, d
DMA_MemoryDataSize_HalfWord 数据宽度为16位% S- [. P7 B+ }+ g( O- F$ y
1 q1 i2 n# p- O
DMA_MemoryDataSize_Word 数据宽度为32位
# O& w- v1 Q5 \( Z
! R/ i% s7 q; x. Y. S1 j
# c+ B9 | A9 ^; {: q8 K& k$ c模式选择:
6 l$ {' k S* {- DMA_InitStructure.DMA_Mode =x;
复制代码 8 h% g6 x' h5 l, s% C
DMA_Mode_Circular: 循环模式
* A) d$ P$ O% ?0 y+ h
; S# }0 c7 z# L, ]+ g7 LDMA_Mode_Normal:正常模式
6 m% X5 N1 m8 k( R7 \: t- V5 g" Q, f4 P: x6 w
; j: K2 }4 _/ W; U- [3 o通道软件优先级设置:8 @: u" j9 c3 d
- DMA_InitStructure.DMA_Priority =x;
复制代码 # a# a# L' @) B* Q# @' {
DMA_Priority_VeryHigh 最高优先级
% _* \1 N# _4 T& ?$ a: G. _
3 Y/ M! E( g2 x6 A# ~DMA_Priority_High 高优先级
8 a. V( O; w V4 A) E# H' {% s) T' D# t& T9 {9 X
DMA_Priority_Medium 中优先级
; R4 l& W T2 v2 J! `' Z3 J3 ~2 @9 n. f( }( e- ?6 e. _
DMA_Priority_Low 低优先级" M' {# [9 ?2 I' V
" i( ^; ~$ L7 H/ [, O( `# b3 b' e* o, q
DMA内存到内存的传输使能: - DMA_InitStructure.DMA_M2M = x
复制代码
1 }# A: I4 l1 e7 D* P& i! NDMA_M2M_Enable:使能
! ]& k6 G" W2 k1 ^3 p& a
7 e2 o( t+ T4 N O6 ?- Z# p! s) x) ADMA_M2M_Disable:未使能
' s! r' Q6 j X( d
) {) R( I" ^) |; ^+ W4 k
/ `% W4 }1 R) Z+ |! d" S6 pDMA初始化函数:
9 u- n. b$ ~3 y/ {8 W- ~- DMA_Init(DMAy_Channelx , &DMA_InitStructure);
复制代码 ; x# W2 }% A7 d {& {/ q& m
DMA通道使能函数:
& L+ K* ]) |5 K1 j9 w5 j: t' \- DMA_Cmd(DMAy_Channelx , ENABLE); //使能DMA通道1
复制代码 注:在开始要定义结构体变量 DMA_InitTypeDef DMA_InitStructure( z, ~$ } {1 Q- D) F: g
; N5 B1 Q1 L3 a8 c8 B' `* z+ @0 n/ q! B( c
5、NVIC相关:
& v3 G1 S7 `5 s# \3 S4 }优先级组设定:
& l& L$ ^: G' B) e2 C& ~) w- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_x);4 U+ ~# P y; R F4 v& Y, u: ]
. j! q- [4 a7 @ s) L0 \, r- NVIC_PriorityGroup_0: 0 bits for pre-emption priority
: W* t* r0 c; ~% q: [' x
# r7 h9 p2 z+ a% I( m- 4 bits for subpriority
+ o! G# J5 x' | _0 ?1 p7 [
$ g6 a( i+ e0 b+ `% t2 F# ?5 Q- NVIC_PriorityGroup_1: 1 bits for pre-emption priority% J5 ?, X2 ], c T
- : m& `. M4 o4 g, l; @0 l n* g
- 3 bits for subpriority
/ F/ Q8 p" Q: o* L, h
# m* N3 V X: L1 u- NVIC_PriorityGroup_2: 2 bits for pre-emption priority$ L y$ V5 a6 |0 D) [
- . {8 J$ y: ^; M1 `/ J
- 2 bits for subpriority
- k# z' [3 n8 T
& B! R2 d* A$ u2 {9 y- NVIC_PriorityGroup_3: 3 bits for pre-emption priority% Y* S& ]* G& i" A k" L: P
- - C8 q5 m( j) ^) |% S
- 1 bits for subpriority" b, ^* J7 B+ u0 I' D& P: c
% m4 g2 }) T4 Q. i, G- NVIC_PriorityGroup_4: 4 bits for pre-emption priority
* ]' ], K( x% w: |5 B v8 d$ Q' b! W
% X2 q, p& p, T# M, ^- 0 bits for subpriority" j$ L8 U' x, a9 e0 U! O
复制代码 ; c4 u3 d* i& S
设置中断:
W& r# I& t+ [- H3 ^5 R8 |
# J( k: |# D/ c$ I/ C" J2 ]- NVIC_InitStructure.NVIC_IRQChannel =x;+ ? f6 A- J4 e3 ^# ?
- 4 r7 g" ~; p1 M. [ J6 }' V
- ADC1_2_IRQn = 18, /*!< ADC1 and ADC2 global Interrupt*/0 t: j1 z% C, ]1 }! \
! K& ]; m; g4 O8 g- g5 r. {: _- USB_HP_CAN1_TX_IRQn = 19, /*!< USB Device High Priority or CAN1 TX Interrupts */) d3 y& W j( w( i4 t1 E, z+ K
- % p7 x/ C9 F# ^) q% T* O
- USB_LP_CAN1_RX0_IRQn = 20, /*!< USB Device Low Priority or CAN1 RX0 Interrupts */
m* }8 Z& k, g% {, R/ `6 n - + P7 g) Y2 @+ w' {: R$ O
- CAN1_RX1_IRQn = 21, /*!< CAN1 RX1 Interrupt*/! E0 o2 o- u+ v
- 8 S; ]8 o- G7 s4 F4 B- f' p
- CAN1_SCE_IRQn = 22, /*!<CAN1 SCE Interrupt*/
7 ]; z: _$ j: |# N; M+ s+ Z3 E - 6 d3 x7 ^( M9 e$ f1 c4 c. U/ z
- EXTI9_5_IRQn = 23, /*!< External Line[9:5] Interrupts*/
( b: G2 I- G; B
0 i4 ]6 F& n7 f3 F3 Z |) O- TIM1_BRK_IRQn = 24, /*!< TIM1 Break Interrupt*/( [0 m; b+ ]1 J, u
+ p4 h7 L; e D- TIM1_UP_IRQn = 25, /*!< TIM1 Update Interrupt*/; Q5 x9 [+ F4 G! S2 f% Z
- # f9 Y! S3 K$ X5 S1 z! k
- TIM1_TRG_COM_IRQn = 26, /*!< TIM1 Trigger and Commutation Interrupt*/
/ j& i' r, a! q( H% K
7 b. r% ^! B2 y/ W9 i* Q+ V- TIM1_CC_IRQn = 27, /*!< TIM1 Capture Compare Interrupt*/
* W, U& u) A1 R: N E6 z
! ^) {4 R# c5 @" O- TIM2_IRQn = 28, /*!< TIM2 global Interrupt */4 [- Y0 Y$ N2 n1 @+ R" R* _1 W: m
- U' h8 W% b) p# j8 E- TIM3_IRQn = 29, /*!< TIM3 global Interrupt */' }1 X# ?) |1 _% |
9 g3 h! K- o, j% @( K+ \- TIM4_IRQn = 30, /*!< TIM4 global Interrupt*/
) v K3 B: w) z# P# [ - # H B Q# r2 J$ m+ B d; `% c
- I2C1_EV_IRQn = 31, /*!< I2C1 Event Interrupt*/
: ?- _# X0 @* e7 F8 k, }! l4 w' }" p - , m% ?7 ^7 a/ v* t
- I2C1_ER_IRQn = 32, /*!< I2C1 Error Interrupt*/* `9 T T, \$ V8 d5 z8 o/ R
* H) N$ d2 l& P$ t- I2C2_EV_IRQn = 33, /*!< I2C2 Event Interrupt */
7 U' | @3 M% E - : A/ K* B* |* G" Y/ E7 X3 V3 Q
- I2C2_ER_IRQn = 34, /*!< I2C2 Error Interrupt */8 H* B8 Q2 _/ }" k
e5 y0 _7 R/ b4 o& X- SPI1_IRQn = 35, /*!< SPI1 global Interrupt*/9 }' d+ F H/ m6 F0 G$ d2 I
- 1 s9 `- Z- t4 M+ {9 t7 F9 X0 D0 _
- SPI2_IRQn = 36, /*!< SPI2 global Interrupt*/
5 ]6 e. t o/ |, Y/ ?/ U+ b" c - / ?# }# l' \9 ]8 b+ @* ^6 V: t- C# h
- USART1_IRQn = 37, /*!< USART1 global Interrupt*/+ V+ Y: n2 @& N) n0 h
- + C1 }- Z' e' K# U8 j C6 ]
- USART2_IRQn = 38, /*!< USART2 global Interrupt*/6 y# _8 {/ u3 f' _
6 t$ c4 s" I: q3 q- USART3_IRQn = 39, /*!< USART3 global Interrupt*/
M+ B, X7 D) X4 S* j5 R
" Y E% t0 D! V2 A* b. w- EXTI15_10_IRQn = 40, /*!< External Line[15:10] Interrupts*/; O0 D, g% M& W `5 q+ E- L
8 y' F! o- W1 ?# e- RTCAlarm_IRQn = 41, /*!< RTC Alarm through EXTI Line Interrupt*/3 F% Q& w4 X9 _- w* |' x
& p% ` t3 m2 d- C- USBWakeUp_IRQn = 42, /*!< USB Device WakeUp from suspend through EXTI Line Interrupt */1 t- n; K8 R: n4 b
! I3 W7 N' s. L* {( M: `; }; ~8 j- TIM8_BRK_IRQn = 43, /*!< TIM8 Break Interrupt */
: x9 t- H2 n9 B# q' [) Z - 7 @. _1 n# t" k8 p/ m8 }
- TIM8_UP_IRQn = 44, /*!< TIM8 Update Interrupt\*/
* i; S0 U# g# r9 f! x3 C
! p4 {( o* l* y0 B; b- TIM8_TRG_COM_IRQn = 45, /*!< TIM8 Trigger and Commutation Interrupt
( n" i- K8 ~. G8 J - 0 ~ E8 s, u3 [' L, _ N3 f; ^
- TIM8_CC_IRQn = 46, /*!< TIM8 Capture Compare Interrupt*// c9 `# Y) L. R
- " H8 _$ r* U' Q( c. n: e
- ADC3_IRQn = 47, /*!< ADC3 global Interrupt*/, Z& ?6 `! n- e6 i! o N9 s
- % {7 ^; H. u8 t4 H3 \9 H
- FSMC_IRQn = 48, /*!< FSMC global Interrupt */
3 }0 o1 c- d" ?, Q
, }, z$ g3 [& z+ H! g5 }- SDIO_IRQn = 49, /*!< SDIO global Interrupt\*/' @" u, X& ]/ m
3 _2 R' S: x% Y) d! k$ F. @/ W- TIM5_IRQn = 50, /*!< TIM5 global Interrupt*/& k3 a) C, |/ I3 N8 e
- ' L5 T$ ]& @4 }5 N
- SPI3_IRQn = 51, /*!< SPI3 global Interrupt*/; k$ w' E, f0 ]* F; S! h; e) D
- / H" e. Y3 ]. V+ L
- UART4_IRQn = 52, /*!< UART4 global Interrupt */
1 N m- p! z5 L7 k$ q6 t" y - 9 s. W; P. l4 v& \, Q
- UART5_IRQn = 53, /*!< UART5 global Interrupt */' p8 w$ Y& Z9 k+ R
! B, k2 o1 U, {& y& f6 F- TIM6_IRQn = 54, /*!< TIM6 global Interrupt */: J4 y) m8 q8 h* @" S: d1 l
- " x+ _1 n% H! |
- TIM7_IRQn = 55, /*!< TIM7 global Interrupt */! D1 v1 u" f* X- o! t" V2 s
6 K4 ?3 ]5 M- k4 w; a/ g" Q+ o- DMA2_Channel1_IRQn = 56, /*!< DMA2 Channel 1 global Interrupt*/ E0 A2 `# j+ R* A8 i1 i$ U
* |8 h1 r$ ~: O- DMA2_Channel2_IRQn = 57, /*!< DMA2 Channel 2 global Interrupt */
' u' N/ z( g8 q$ F- H! r0 }; c - 3 h5 i! X3 {- c3 q) e% M6 r) C
- DMA2_Channel3_IRQn = 58, /*!< DMA2 Channel 3 global Interrupt*/9 i3 ]2 n) N7 V
8 U& E' H7 f6 l- DMA2_Channel4_5_IRQn = 59, /*!< DMA2 Channel 4 and Channel 5 global Interrupt*/
$ W: P, {$ J( z+ u. q3 A
复制代码 , h$ C/ U6 H4 D+ q8 G2 w
设置抢占优先级:
, m/ {( Z6 @6 |- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =X; //抢占优先级 X
复制代码
' R% u x; Y3 u2 p- N设置子优先级为:2 f5 E0 T- k7 s' l
- NVIC_InitStructure.NVIC_IRQChannelSubPriority =X; //抢占优先级 X
复制代码 q6 ^3 e D1 f2 q
使能中断:3 S% C& b4 f8 F+ S
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能
复制代码
8 }# ~; a! S& mNVIC初始化函数:
* b2 x v8 c- ^ ^" Z4 P$ A4 B4 c f- NVIC_Init(&NVIC_InitStructure);
复制代码 注:在开始时需要定义结构体变量NVIC_InitTypeDef NVIC _InitStructure;
M: q$ _: J% _' e
, x" |1 v2 B3 t1 E; D# @
& s; N" B4 ?- s4 U
, o0 B5 z7 U" u' t: \6、USART相关:
# T- \2 A, q( r: i1 R! s) ~' r/ }& g: L' jUSART波特率选择:
. i* G! i, i. o2 g6 L- USART_InitStructure.USART_BaudRate =XX; //波特率为XX bps
复制代码 3 `9 i$ i# N: R( V& s, M4 ?; A
数据位位数选择:$ Y! I# t4 W/ t) a" [% f
- USART_InitStructure.USART_WordLength = USART_WordLength_Xb;
复制代码
# B+ P' e4 S! B; p停止位位数选择:4 W, Y; r; S8 Z B# L0 M
- USART_InitStructure.USART_StopBits = USART_StopBits_1; //停止位1位! }1 _/ K: o6 C& T- _* M+ G* d0 x
- [0 m' C2 z' `; l$ n1 h( m
- #define USART_StopBits_1 ((uint16_t)0x0000)
; Q7 C& ]; K7 G5 Q( A: |& }
6 P5 G4 m1 F/ p I# O" [* c1 Z- _- #define USART_StopBits_0_5 ((uint16_t)0x1000)
3 M' W: H- l$ n( V+ Q8 Y
0 d5 b( _/ g2 [- #define USART_StopBits_2 ((uint16_t)0x2000)
# Z6 n. L- ?1 ~6 b) G! f
# G+ \% h0 Y1 P( x6 o- D* C- #define USART_StopBits_1_5 ((uint16_t)0x3000)
5 e; ?# J3 v1 c: P' \
复制代码
' h. ? R: L; v, I有无校验位选择:" n2 S6 h( _: m6 ?+ B2 I
- USART_InitStructure.USART_Parity = USART_Parity_No; //无校验位
8 }4 I7 G4 T% _2 ~: k - ; E+ z6 L {: G
- #define USART_Parity_No ((uint16_t)0x0000)' _0 V; ?- h1 d1 C# @* z K' a4 T+ X
: Z9 o: F: m0 j- j5 k6 s* d- #define USART_Parity_Even ((uint16_t)0x0400)( k& }3 d4 n, A& k
- : S8 B3 H8 B9 y% w
- #define USART_Parity_Odd ((uint16_t)0x0600)
复制代码 & v8 t3 @$ s ^4 W% y# x6 _
有无硬件流控选择:" h% Z$ t2 b9 c: }) f1 K
- USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
) K/ h% \4 l* N, i& s! N
- @2 ?( w+ e+ f4 ^1 X/ i- N' W- //无硬件流控
p" \5 g3 v$ I# n3 [3 S - 9 y4 N# Q! b& H' N! ]' p: N
- #define USART_HardwareFlowControl_None ((uint16_t)0x0000)
2 A8 s z1 }* R! x - 6 c5 U$ i# m! r& D) q
- #define USART_HardwareFlowControl_RTS ((uint16_t)0x0100)2 X5 ^+ P5 u6 O& E ^: ~5 R4 O; v
% I4 U/ U( T( R9 c! z$ d; }- #define USART_HardwareFlowControl_CTS ((uint16_t)0x0200)
+ Y! _6 ]) M# o7 |7 g4 V, J - $ |. `+ m7 ~+ V7 K' ~
- #define USART_HardwareFlowControl_RTS_CTS ((uint16_t)0x0300)
0 }8 Z% y5 c6 i8 x6 e N, c
复制代码
# O1 A- K4 O; A2 f- A# f4 K模式选择:" s E6 B/ J3 z1 \' X; f$ h% _
8 n. E5 |( V& w5 D) e4 M5 h6 S" T- USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //收发模式0 N$ l9 U( c$ S# }
- + }" i# ~/ Q" E0 D) I
- #define USART_Mode_Rx ((uint16_t)0x0004)
" v# m) D @" m# y) P
0 l6 G0 @3 R9 ^9 _% g; P& _! k- #define USART_Mode_Tx ((uint16_t)0x0008)
复制代码 + K0 X# O# j9 O
配置串口参数函数:
! n, k: D. Z3 y W1 [- USART_Init(USARTx, &USART_InitStructure);
; w. Q( r: ?! C2 u. H! F
7 I! m. P" m2 D2 Y! l4 {; v- USARTx 可选:USART1, USART2, USART3, UART4 or UART5
复制代码 注:在开始时需要定义结构体变量USART_InitTypeDef USART_InitStruct;
/ {7 B2 `3 L9 X; e$ C7 l ?5 m3 |* o6 k% t. ]" M; Z, J$ i/ [ x: k
使能接收中断:5 p4 e. u4 M6 g: D- s* U& Z1 G
- USART_ITConfig(USARTx, USART_IT_RXNE, ENABLE);
复制代码
W- d3 [3 }0 G& W) E- }- f使能发送缓冲空中断:+ [. ^4 T: t6 H. T
- USART_ITConfig(USARTx, USART_IT_TXE, ENABLE);
复制代码
( O7 Q7 w5 i8 y3 t! y" g4 Z使能发送完成中断:
' x3 ~$ M, f3 ~9 l1 P% i9 o5 L- X" P4 t- USART_ITConfig(USARTx, USART_IT_TC, ENABLE)
复制代码 ) i0 B0 t: l' |' ~8 b" [6 e0 V6 D
使能USART:
/ i1 Y4 t. W& l: s$ \- USART_Cmd(USARTx, ENABLE);
复制代码 ( T( ^; G h, R, M: q5 G
0 X7 F3 C. s" s! D1 z
0 L% Q% Z' m- {' A. C% d
: ^% t q! T, y. J+ C. X$ z |