1、RCC相关:
! [7 s* g5 ~) r4 k/ r& f0 Z5 }* D( n4 [* S( i( @
APB2启动时钟项:
# h1 ?+ o$ G5 x6 M- RCC_APB2Periph_AFIO, RCC_APB2Periph_GPIOA, RCC_APB2Periph_GPIOB,
|1 D- e+ C5 c7 N D- k( G) h1 u( `
( R6 J [5 S9 X4 a# v0 E2 c- RCC_APB2Periph_GPIOC, RCC_APB2Periph_GPIOD, RCC_APB2Periph_GPIOE,; w0 L5 Z9 }3 T1 E a) J. ]2 y
$ S4 v! M$ q/ X7 q# E* _: u- RCC_APB2Periph_GPIOF, RCC_APB2Periph_GPIOG, RCC_APB2Periph_ADC1,
+ \& L% H% V4 n6 _% O& S0 }1 O) n2 ]
& F/ U, |: F5 v# g% `- RCC_APB2Periph_ADC2, RCC_APB2Periph_TIM1, RCC_APB2Periph_SPI1,' ?: j4 N* n" p T2 Q. [
- : \8 s* x Q$ S# _' ^
- RCC_APB2Periph_TIM8, RCC_APB2Periph_USART1, RCC_APB2Periph_ADC3,7 z \) U& _; m6 Z% Z8 c
- 1 m" u' _1 s2 v& B. v, Q+ o
- RCC_APB2Periph_ALL
复制代码
% v! R2 c0 V' h& [+ FAPB2启动函数: 2 S7 |; \% Z/ H. l
- RCC_APB2PeriphClockCmd(XX,ENABLE);
复制代码
$ f- e" u& o* C3 f1 D+ m/ ~% `
+ s, _4 f a: x' O3 nAPB1启动时钟项:
! q6 W) Y& W1 O4 W- RCC_APB1Periph_TIM2, RCC_APB1Periph_TIM3, RCC_APB1Periph_TIM4,* W% W7 y; X* v( ^
- 2 N6 t# o% \/ {. K z/ i0 K$ j
- RCC_APB1Periph_TIM5, RCC_APB1Periph_TIM6, RCC_APB1Periph_TIM7,. m8 Y- W: {' ~' M
]1 v+ {0 X7 g$ \# {* A' L- RCC_APB1Periph_WWDG, RCC_APB1Periph_SPI2, RCC_APB1Periph_SPI3,
5 J' K5 y4 _$ g& H8 n" l- M+ e* [ - ' l9 v! k# e6 S6 \
- RCC_APB1Periph_USART2, RCC_APB1Periph_USART3, RCC_APB1Periph_USART4,
$ `, ^ s- q7 w' l8 j4 Q - % F. ]- y3 Y, {
- RCC_APB1Periph_USART5, RCC_APB1Periph_I2C1, RCC_APB1Periph_I2C2,: z6 c5 x) A Z: }0 O
- 0 o( g1 m; u0 j; w5 U8 w
- RCC_APB1Periph_USB, RCC_APB1Periph_CAN1, RCC_APB1Periph_BKP,
+ t- h- w* i' C" V; c8 | - * Y" F6 o( W7 K5 u2 h- @
- RCC_APB1Periph_PWR, RCC_APB1Periph_DAC, RCC_APB1Periph_ALL
复制代码
, d: \" l0 [- O pAPB1启动函数: & ` B) v8 B! x! n4 m* a6 D
- RCC_APB2PeriphClockCmd(XX,ENABLE);
复制代码 9 L* l+ B" K2 d+ s+ B
AHB启动时钟项:
* u2 M( i* ?4 R! P- RCC_AHBPeriph_DMA1
# \8 ^7 s7 T% l2 | - ! ]& Q+ W y$ o& {$ A ~' l. R
- RCC_AHBPeriph_DMA2# S( p: C' @! k0 {3 d
- 8 U$ P' O, @, j6 y% x+ s
- RCC_AHBPeriph_SRAM
4 p0 {4 A; U, u [ - 8 \+ C/ c! G( T6 F5 P
- RCC_AHBPeriph_FLITF6 J8 A# a, x% O$ y! |1 A
- 3 n9 g" e6 A9 M3 ]0 P$ }2 \
- RCC_AHBPeriph_CRC3 R2 a, |- f& J
* _. _) O3 k: @; [4 T8 R# i/ A- RCC_AHBPeriph_FSMC
5 V8 P' ?- M' N - 3 N P6 `) E) y% Q6 C0 w
- RCC_AHBPeriph_SDIO
复制代码
# p% t% v- V2 O$ E' mAHB启动函数:
3 G! q6 j' a4 h* P- RCC_AHBPeriphClockCmd (XX,ENABLE);
复制代码
6 J. A9 T1 s2 ], q2、GPIO相关:
9 E2 }0 a. \0 o( vGPIO模式:$ g) J' S& E+ H
- GPIO_Mode_AIN:模拟输入 GPIO_Mode_IN_FLOATING:浮空输入9 c: K9 Z/ J, x6 w9 n I
- 4 f: k! z P2 A1 s* U, m7 t! s
- GPIO_Mode_IPD:下拉输入 GPIO_Mode_IPU:上拉输入
5 Z) N5 j) `$ \( ^# n7 S0 l - 1 d n+ I% h' P6 }, @3 }: _
- GPIO_Mode_Out_OD:开漏输出 GPIO_Mode_Out_PP:推挽输出
3 n' E* d0 ^+ A4 C m
. U8 d' T9 W( \! v- GPIO_Mode_AF_OD:复用开漏输出 GPIO_Mode_AF_PP:复用推挽输出
) b% M8 k, r8 e, N
复制代码
7 I. M4 [3 Z* fGPIO速度:
7 G/ W5 \* A3 o9 @7 L5 `
* l; _, q6 a4 Y- GPIO_Speed_2MHz8 G6 ~9 t1 O& O* M; {
- 4 b0 a, Y, s; Q2 Z5 B. e. f
- GPIO_Speed_10MHz
1 w& Q! b; t9 _% K! R
. O$ X, o" _0 w [; ?/ U: ?- GPIO_Speed_50MHz
复制代码
6 i/ H! G' f+ I( T8 E% H( r1 H! q! rGPIO引脚声明:
$ M; p0 c7 a1 t8 I- N2 F- <span style="background-color: rgb(255, 255, 255);">G</span>PIO_InitStructure.GPIO_Pin = GPIO_Pin_x; x:1~15或者all
7 o2 U1 X1 `" G# i8 P7 `, R: @
复制代码 O) L0 P# F! K+ m9 S, n$ D
GPIO初始化函数:% v' r. L& e c# h: S3 L; M
- 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;
" q$ O0 h9 g6 a
5 l$ X9 X6 D' N3 C, h3、ADC相关$ n# u' `& R4 z! U5 l
最好需要重新初始化:ADC_DeInit(ADCx);
9 f4 ]9 Y6 B; x
+ V$ f2 o' p; C% iADC工作模式选择:! `/ @/ T u0 q3 [ \
- ADC_Mode_Independent:独立工作
0 ]# p4 d& K4 t9 v! \0 T - 2 O, i$ O" I! p+ `
- ADC_Mode_RegInjecSimult:混合同步+注入同步
\3 G; Z- j7 I: y - 4 K/ n: T! ]5 u) S: J8 P M0 P
- ADC_Mode_RegSimult_AlterTrig:混合同步+交替触发- b6 o, R/ U) ^* I$ m) x% n
& z9 i! Q0 T8 r( ~* E! c3 `- ADC_Mode_InjecSimult_FastInterl:混合同步+快速交替$ B5 |5 w l; K# \" F1 f
6 N' ~+ {3 ^) u) g- H- ADC_Mode_InjecSimult_SlowInterl:混合同步+慢速交替
4 N6 ]$ L$ a9 y& h5 P% n+ O ?
$ Q' b1 ]5 W( d% l- ADC_Mode_InjecSimult:注入同步
& E7 N3 e9 ]! w ~
, o! ]! _7 O9 B+ }% F- ADC_Mode_RegSimult:规则同步* C+ A) m8 _- }" R: u/ U, e
- ' f& W% j5 J; H" k! k, Q! c
- ADC_Mode_FastInterl:快速交替
- w! K& m5 x6 ^3 |) ]* P/ W - 6 R8 D5 Y5 j& T) }$ r% [( Z
- ADC_Mode_SlowInterl:慢速交替
& p; Z3 G. |$ a2 |2 a" z$ ^ - 1 s! M% T+ c* s
- ADC_Mode_AlterTrig:交替触发+ R8 N. _" U& K" Z. ?3 t
- 9 h, U5 w5 v" ~. M0 U# l5 z ~& z
- 通过ADC_InitStructure.ADC_Mode = XX进行赋值
复制代码
5 t8 B- L6 j0 g5 w4 {ADC扫描使能:$ n& A+ w# H8 u, c& ^
- ADC_InitStructure.ADC_ScanConvMode = ENABLE;
复制代码 " N3 i: J0 ?9 p: I/ Y
ADC连续 /单次模式选择:
, y& P6 x1 e+ [$ ~4 G; c- ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
复制代码 2 l) F$ ^: a1 W: w
ADC转换控制方式:
7 Z/ y7 S, F2 e: e- ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;//有软件控制转换
复制代码 & O: I: x- w. f# p# J' j
ADC数据对齐方式;- ADC_DataAlign_Right:右对齐 / ADC_DataAlign_Right:左对齐1 x1 R5 f$ L* ?0 v8 J
- & F6 q R' d% i' v2 F* O
- ADC_InitStructure.ADC_DataAlign =XX
复制代码
! x% i/ a0 m0 E% ]3 EADC转换通道数: - ADC_InitStructure.ADC_NbrOfChannel = X // X=1~16
复制代码
+ i# ?2 Y; m" c, o* |ADC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
/ ]: b. }7 K5 F0 r/ N9 m2 m0 N$ O4 X! N& c! {. _6 T- M
是否使能ADCx DMA : - ADC_DMACmd(ADCx, ENABLE);
复制代码
' C8 L0 H6 P& L$ M5 c使能ADCx:- W8 s( z7 l& Z: u- H" d
0 s- M: j! o, x$ j! t! X* ^/ ^& M初始化ADC1校准寄存器:
- h& a8 N" O y2 b1 H' z/ z, W" n- ADC_ResetCalibration(ADCx);
复制代码
1 }5 k8 D! _) x6 Z检测ADC1校准寄存器初始化是否完成:" T! J* m6 v' C2 t: ~8 Z3 q
- while(ADC_GetResetCalibrationStatus(ADCx));
复制代码
7 l, B, K }. F0 {% W) `, A- H3 k. k: s开始校准ADC1: - ADC_StartCalibration(ADCx);
复制代码
5 P( k* M: |* f: e" a检测是否完成校准:7 B) |$ O7 J3 Q7 ]; z
- while(ADC_GetCalibrationStatus(ADCx));
复制代码 ) x) x. q6 e" f" @$ V' F6 B
ADC1转换软件启动: - ADC_SoftwareStartConvCmd(ADCx, ENABLE);
复制代码 3 m b1 o; H- I+ \
4、DMA相关:
# } E9 H/ n/ M% H复位通道:# \3 {- }! q: w8 F' q2 v
- 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 % ^# N0 s, U; {- w# r: M3 f
定义外设基地址,全局变量:
/ y0 `" T7 P, V* ^7 ?- I; C- DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;//地址自己定义
复制代码 如:#define ADC1_DR_Address ((u32)0x4001244C)
- p( v2 ^) l- \2 i6 q$ d( ?& C1 a' w- u9 a" F R) e
定义DMA存储器地址,全局变量u32 t6 v; u1 p$ [* p1 t
- 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];8 g4 H9 L* F- t. ^+ T( i
& R, p) A6 S3 @2 F4 i! P7 RDMA外设方向:
4 ^& l- {) J" Y5 a, w- 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- H6 b4 Z& K! T/ p( U
& T5 n: Z' w& G( e4 [" y N6 V0 z. EDMA传输数量寄存器值,即缓存大小,单位由MemoryDataSize或PeripheralDataSize决定:- j0 |" h" i8 d4 |
; |0 B" g9 ~% G7 j9 v) ~( hDMA_InitStructure.DMA_BufferSize = x;& \9 t' Q) j7 @5 g1 w x2 W- @
$ x6 x+ f2 A% h7 E, f1 [% K2 a% l
//定义DMA缓冲区大小x,如8通道ADC,则x就为8/ J/ P5 J* T4 A+ G: D
9 k+ Z9 h2 B( D7 fDMA外设地址寄存器变不变:/ x( ]1 Q/ X$ j+ L" M
- DMA_InitStructure.DMA_PeripheralInc = x;
复制代码 % p9 k& ]0 A! t" b- |. m9 z+ d4 D
DMA_PeripheralInc_Disable:外设地址寄存器不变 DMA_PeripheralInc_Enable:外设地址寄存器递增
) ?8 q, s, n, m) g' z5 Z6 P4 W t8 S! o. u( `2 w
DMA内存地址寄存器变不变:0 T5 {: ?5 q* G8 r) ]
- DMA_InitStructure.DMA_MemoryInc = X;
复制代码 1 x6 a. x( C6 J) ^9 a! 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' v, ~2 V3 n5 g0 K+ t/ e7 O3 F4 `! i
" I. Y1 U- f8 y9 K外设数据宽度:: h; _3 W6 N. n+ T2 R
- DMA_InitStructure.DMA_PeripheralDataSize = X;
复制代码
5 [+ j4 j( T( N2 l$ aDMA_PeripheralDataSize_Byte 数据宽度为8位) g5 o8 @( ^+ A) C1 J
# j X) c' `7 Z: ? L+ DDMA_PeripheralDataSize_HalfWord 数据宽度为16位% {& k, |5 e: f r+ { X F2 K
2 M* r+ W- A+ \ U4 P, y
DMA_PeripheralDataSize_Word 数据宽度为32位! B1 M) I9 t! @( k5 W) \
q" e. K8 L _6 u9 u
9 Q3 q# D) d9 e9 G; G存储器数据宽度:
5 _! F0 Y# F2 u4 h- DMA_InitStructure.DMA_MemoryDataSize = X;
复制代码
1 I* j, w' L |" s8 O2 W6 mDMA_MemoryDataSize_Byte 数据宽度为8位
+ T, \) O+ `) g' a9 C
. F6 t- S/ M2 N/ U2 B9 ]DMA_MemoryDataSize_HalfWord 数据宽度为16位
3 S( G1 X9 ^7 K3 I5 @; {) r) O1 B* U! D g( I
DMA_MemoryDataSize_Word 数据宽度为32位
" f7 h! O S4 @" M& b2 s! r N. O) {& R4 ], c9 A# K- |$ r" ]
' n+ S( ]5 \# ?$ B; U+ j模式选择:4 y: t+ A4 r4 G( ^- d2 X2 h) S
- DMA_InitStructure.DMA_Mode =x;
复制代码 6 L2 P% v) o$ @# |. ~+ g
DMA_Mode_Circular: 循环模式& k- r" O, `$ s! t9 F: N; L3 E& F
, \' j$ G q, r& Y' m* r; h8 R0 y
DMA_Mode_Normal:正常模式/ k0 e# a$ Q! @$ W' g
6 ^/ z8 K# O; ^' t1 U3 Y8 g( K2 T* g
通道软件优先级设置:7 p& q- O/ @6 [" w
- DMA_InitStructure.DMA_Priority =x;
复制代码 & I+ d4 D: L0 K1 I% `& z" U0 s% Q0 \- j
DMA_Priority_VeryHigh 最高优先级
9 H+ N& i8 w- e, h
3 ?9 {& h$ y* y* M! Z+ gDMA_Priority_High 高优先级$ _" U3 d+ N; w' U) K: v; b
7 R; ?( p0 z, i6 L1 x" \DMA_Priority_Medium 中优先级* H4 S' G9 f: Y( _; i: ]- w$ j+ I
; v4 p! `2 u3 [
DMA_Priority_Low 低优先级
3 v5 F$ Q1 f! ~ N- F8 y+ `# g- \ F! {9 ~- ]3 P* ~
1 O* I( W: p9 m) Q8 {! e0 x* dDMA内存到内存的传输使能: - DMA_InitStructure.DMA_M2M = x
复制代码 9 |: S4 f; Q4 w* e* r
DMA_M2M_Enable:使能
1 E6 m! q$ g/ v) R
N! _9 p* R6 Q5 W) X& V9 {& cDMA_M2M_Disable:未使能6 }( b; x6 i# y0 n
9 O! f9 B. G0 a1 n9 w* j: u; A& s/ S+ F) o& F; P8 x
DMA初始化函数:
! t3 w3 n& ]+ A4 g% M! p- DMA_Init(DMAy_Channelx , &DMA_InitStructure);
复制代码 t) t) y% t$ `7 n8 J; \9 ?
DMA通道使能函数:) i5 ~1 v6 u% W4 B$ }* G
- 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$ H( \& A( W6 p4 V9 X# l
) \1 Y8 ~7 E, b$ g
4 K8 e+ z$ _ b% M+ t8 O5、NVIC相关:
7 g5 l) R5 k8 T# u$ b优先级组设定:
4 V c! y/ L$ P- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_x);
/ m- j- N2 N4 _5 R) w' @$ J0 _/ X - $ T/ M- C/ f6 U; `! O
- NVIC_PriorityGroup_0: 0 bits for pre-emption priority2 v( o# e6 D& Z5 t3 ^
% A/ T: I; ^# s; N4 o+ U1 H- 4 bits for subpriority$ p+ `$ a6 T: m* {) b# ~
1 p" M9 I9 P, y, E- NVIC_PriorityGroup_1: 1 bits for pre-emption priority
! ~1 x4 R! D/ s
& @# t" e; N( S+ O7 j3 F; @- |4 @- 3 bits for subpriority
6 I4 z2 h- p: U6 S0 E* K. n5 l/ {* c - . f K7 M! V' b
- NVIC_PriorityGroup_2: 2 bits for pre-emption priority% P6 ]" c( M+ s1 |" @( C
- ; e+ V7 K8 k2 t! r1 `4 L
- 2 bits for subpriority
0 u9 [- k& S- w- w% ` - 5 G E( C) y' n5 ~5 H/ L% V; w
- NVIC_PriorityGroup_3: 3 bits for pre-emption priority# J$ Y4 g7 K5 {% @' A6 m7 Z
- ( v+ E8 _/ O, J( X: o: ? @
- 1 bits for subpriority7 A7 n" f! _& q" S" h
- / Q* E0 j4 W! F9 _6 @
- NVIC_PriorityGroup_4: 4 bits for pre-emption priority: l6 m/ O+ n% X
- / {2 y# L# D! h
- 0 bits for subpriority
! ]2 c7 {+ Q8 ]' U& T
复制代码 4 w, ~. m' S, L/ P0 a7 @
设置中断:( \! p6 V8 l3 |+ y( m
4 y7 |+ v: R/ G/ a6 P$ K: T( u
- NVIC_InitStructure.NVIC_IRQChannel =x;
$ j( c# E0 {0 F& e* }0 ^
( n6 N* t! q2 X% G- ADC1_2_IRQn = 18, /*!< ADC1 and ADC2 global Interrupt*/2 |" O, B( ^( h# e+ h7 T
- 7 U0 \+ t5 _5 U" D( j% \
- USB_HP_CAN1_TX_IRQn = 19, /*!< USB Device High Priority or CAN1 TX Interrupts */
) Z5 R8 z( p8 U T6 _' ]2 \# l9 e
I9 m- e7 ]- J6 c8 D- USB_LP_CAN1_RX0_IRQn = 20, /*!< USB Device Low Priority or CAN1 RX0 Interrupts */. m; H2 V/ m j7 P6 }3 K4 P
- / m9 y5 e( f- t! `4 v
- CAN1_RX1_IRQn = 21, /*!< CAN1 RX1 Interrupt*/
# V+ F# V6 @% v1 u - * }( A; f3 j: @! I
- CAN1_SCE_IRQn = 22, /*!<CAN1 SCE Interrupt*/
; I7 y5 _$ X& @
k/ I2 h* L& r" F+ j8 @6 A* ?& W- EXTI9_5_IRQn = 23, /*!< External Line[9:5] Interrupts*/" |$ o( s$ p% ]/ T% \" \3 e
- 9 P; j/ ?, M$ @* ?4 p- s \3 l* S
- TIM1_BRK_IRQn = 24, /*!< TIM1 Break Interrupt*/% V0 |/ e2 Q, \$ A) e
- 3 F( U8 O8 H b: ?
- TIM1_UP_IRQn = 25, /*!< TIM1 Update Interrupt*/4 u F2 n2 F9 F7 j2 R7 J) A
- 5 B% F: x7 Q7 \) j/ Y& G
- TIM1_TRG_COM_IRQn = 26, /*!< TIM1 Trigger and Commutation Interrupt*/
% f2 ]# i9 Q6 ^7 N8 A# S2 F* S
! T! [5 d% h0 w+ d+ ]' V- TIM1_CC_IRQn = 27, /*!< TIM1 Capture Compare Interrupt*/
1 @3 R: E c8 ^9 v$ o% u: q" O% A
& R$ \0 Y* k! f; L/ k( Z4 L- TIM2_IRQn = 28, /*!< TIM2 global Interrupt */
# X, e8 |! b5 S0 ^, R1 p9 l
4 }) L8 h6 w/ I. k3 w8 b- TIM3_IRQn = 29, /*!< TIM3 global Interrupt */
$ z$ X# W+ n- J& g" @+ X% n6 } - - L6 X/ e( l ]0 x# m1 A
- TIM4_IRQn = 30, /*!< TIM4 global Interrupt*/
! m/ H7 h+ y+ k - ( I$ \- U! b3 B7 y
- I2C1_EV_IRQn = 31, /*!< I2C1 Event Interrupt*/
5 j4 t8 W" B/ P6 j4 p) C
' o% r; _9 K+ `; j/ B6 F p) i- I2C1_ER_IRQn = 32, /*!< I2C1 Error Interrupt*/2 R; x4 }: x% ~! w; u' i" L
- & c d7 r! R( T& |
- I2C2_EV_IRQn = 33, /*!< I2C2 Event Interrupt */
& r- R7 E- M& t6 y) }6 r - 9 R* n3 L: K' L- t! I3 e
- I2C2_ER_IRQn = 34, /*!< I2C2 Error Interrupt */$ n- O4 m8 X8 U
9 |. F+ @/ I; M x- SPI1_IRQn = 35, /*!< SPI1 global Interrupt*/
" @0 U0 p* g1 Z - 7 {. y" f; T3 @' |5 ^% ?1 {* q
- SPI2_IRQn = 36, /*!< SPI2 global Interrupt*/ l. E6 |( |! P; |7 S; n7 X2 P
- % D) R& q5 B8 w1 V
- USART1_IRQn = 37, /*!< USART1 global Interrupt*/4 @! a, S S8 b* s& ^& V4 D4 N
- h: L* f) j& ]7 h9 A- USART2_IRQn = 38, /*!< USART2 global Interrupt*/# o0 g9 A3 M7 h+ R$ Z2 A' ?
- + Z; a2 M! Y+ H; A2 z
- USART3_IRQn = 39, /*!< USART3 global Interrupt*/8 ^; J0 R9 h$ e- r) h
- ( D6 D2 Y/ n* d1 `
- EXTI15_10_IRQn = 40, /*!< External Line[15:10] Interrupts*/
8 R6 x2 ^/ B+ P! H9 V
$ f& y% p' F' s. K3 F- RTCAlarm_IRQn = 41, /*!< RTC Alarm through EXTI Line Interrupt*/: b/ a( p' d$ X- w% r7 [: e/ D
2 n1 |4 U1 U+ Z* ]3 K- USBWakeUp_IRQn = 42, /*!< USB Device WakeUp from suspend through EXTI Line Interrupt */$ u6 \! z" a1 D3 r0 y4 u
- Y) @- a; \, I' o! ?
- TIM8_BRK_IRQn = 43, /*!< TIM8 Break Interrupt */
$ k& w( R7 v+ ]$ ` - 2 P8 U8 V! d0 ]4 U/ m& y- V
- TIM8_UP_IRQn = 44, /*!< TIM8 Update Interrupt\*/( L( z' Z6 F5 W9 ^3 y
- , j! |3 B8 m; b7 |% w+ N
- TIM8_TRG_COM_IRQn = 45, /*!< TIM8 Trigger and Commutation Interrupt! T/ P D. B/ p/ ~! e
' ^4 _: [6 L& p& a* k" T- TIM8_CC_IRQn = 46, /*!< TIM8 Capture Compare Interrupt*/
' T4 {5 q' O* } y
! Q5 X6 R% ?. t0 s( N- ADC3_IRQn = 47, /*!< ADC3 global Interrupt*/
% o7 ~0 W: x8 `8 E, f* m1 ? - $ t* \+ B- v9 O/ {, F
- FSMC_IRQn = 48, /*!< FSMC global Interrupt */# t6 k9 F# |8 z, ?, ?
9 E5 E# }4 y3 T+ e2 ^9 B2 U- SDIO_IRQn = 49, /*!< SDIO global Interrupt\*/9 U9 S0 @ D2 @- N8 j2 p
% i! l9 C2 r+ T0 Q/ p7 G' @, f- TIM5_IRQn = 50, /*!< TIM5 global Interrupt*/
% F" l/ E$ T4 T+ |
, k" W9 G0 k( K9 c0 Z+ ^8 f3 Z! h- SPI3_IRQn = 51, /*!< SPI3 global Interrupt*/ @& w0 R4 v7 M: ~' R
2 @" i9 i8 H* e, g' N: E0 n- UART4_IRQn = 52, /*!< UART4 global Interrupt */* ]# i6 k5 r& y1 N$ X
- 1 B! T4 x& z; I7 h# U/ R% q: _9 b
- UART5_IRQn = 53, /*!< UART5 global Interrupt */
$ F& j4 r/ S: i
8 g p6 l4 j" e4 {- TIM6_IRQn = 54, /*!< TIM6 global Interrupt */& z+ e" z/ H6 {' B
8 p+ n9 B, n) L# Q9 { C, I- TIM7_IRQn = 55, /*!< TIM7 global Interrupt */
1 U* T2 U. P6 A2 [: E+ E7 `- k9 L - 7 g" W+ s3 r/ Y7 A6 }, K
- DMA2_Channel1_IRQn = 56, /*!< DMA2 Channel 1 global Interrupt*/! V- ?2 E: T" R& W4 K0 a+ \$ ^
- 1 X0 M, K1 L4 O, C" \& o+ e
- DMA2_Channel2_IRQn = 57, /*!< DMA2 Channel 2 global Interrupt */
) I: O0 V3 T9 m9 i: r$ P
: {+ Y. P) b: ]3 ?- DMA2_Channel3_IRQn = 58, /*!< DMA2 Channel 3 global Interrupt*/9 j T7 o" `$ t( B- [( {/ `- e1 V
- ' A( t" h7 A3 E! o& M+ ^8 P
- DMA2_Channel4_5_IRQn = 59, /*!< DMA2 Channel 4 and Channel 5 global Interrupt*/- C9 Q* R1 r3 }% c! Z _
复制代码 ! S# h7 i6 W' f0 Z2 H( H
设置抢占优先级:- v3 q& p0 m# P- R { o
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =X; //抢占优先级 X
复制代码
9 c9 s0 `. f+ q1 ]设置子优先级为:* h% F, v/ q; b, r0 G. c
- NVIC_InitStructure.NVIC_IRQChannelSubPriority =X; //抢占优先级 X
复制代码
1 F2 L, b" |, F- j使能中断:
' o4 x ~% Q0 i Q* ^( W5 O4 J- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能
复制代码 ; i7 s" A* b+ Z- v$ u% r
NVIC初始化函数:
1 y# Z/ n2 M) F* F: Y# E. [- 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;8 }" ]5 _3 d1 M; y; K; }( M1 |% `
% b9 G) h. I9 Z! j& d
0 @7 B3 J3 M% L% [# p, ?1 E
* {( z) I" e) ~: g: \6、USART相关:
" ?2 K' T8 p7 j8 v" t8 o8 rUSART波特率选择:
2 n3 w' [0 y' h+ u% K0 x1 z- USART_InitStructure.USART_BaudRate =XX; //波特率为XX bps
复制代码 1 D1 s8 _1 D5 d
数据位位数选择:
) m. G8 A# Y& C" Y% Z- `- u- USART_InitStructure.USART_WordLength = USART_WordLength_Xb;
复制代码
9 r( \' \6 O( t5 h" ?( G# R/ y停止位位数选择:
/ ?+ O9 D3 m# H2 @, n- USART_InitStructure.USART_StopBits = USART_StopBits_1; //停止位1位 D0 s' F/ b" I
- _8 [- |% i( H) h( {; @- #define USART_StopBits_1 ((uint16_t)0x0000)! L; l/ u9 p9 |7 a4 F
, t: a9 ~: r6 p2 Q& w& \- #define USART_StopBits_0_5 ((uint16_t)0x1000)/ G! _) p- f3 j' ^
* O! _/ Q4 A4 N: Z% \% [- #define USART_StopBits_2 ((uint16_t)0x2000)
% L- [+ c8 c+ X8 M% X; t( o' k
5 ?8 Z$ X4 d& c8 F7 s0 Y5 f! J( {- #define USART_StopBits_1_5 ((uint16_t)0x3000)
4 e1 A# n( {1 C/ u7 O
复制代码 * c$ H8 U; r& R
有无校验位选择:" t5 g/ m4 Q& X& c: y* \+ H
- USART_InitStructure.USART_Parity = USART_Parity_No; //无校验位
; a7 b7 A7 h: v* Z* t
8 D+ I& S4 c- ]/ |& o- #define USART_Parity_No ((uint16_t)0x0000)
' j1 o# C) O) u5 {- W4 F
' j/ J# d* ~* ~: F5 ^ S- #define USART_Parity_Even ((uint16_t)0x0400)* T, d( {( e2 K" z
- ! C! K: m1 M5 P/ U. E. X
- #define USART_Parity_Odd ((uint16_t)0x0600)
复制代码
0 e9 ~6 `. w) L O. `* Q' a/ a; u有无硬件流控选择:
; N6 v5 s$ e8 f& A- E6 Y- USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;5 d! v" o3 _+ b! ^8 l/ o
- 8 L2 J4 \. m/ A% u2 M. c
- //无硬件流控
; i, d2 d) H# t+ X0 V - ! y/ K5 Q6 |! W- j) @
- #define USART_HardwareFlowControl_None ((uint16_t)0x0000)
' P; x" S8 l6 G. {9 w3 Q - 2 s5 H4 ?3 R2 c' [. ]) J
- #define USART_HardwareFlowControl_RTS ((uint16_t)0x0100)
3 D1 g+ G3 v d2 o: W0 n8 p
/ d: Q$ F( R% \) X( q* w" _- #define USART_HardwareFlowControl_CTS ((uint16_t)0x0200)
9 g* c) a. y8 {: P2 q4 y+ E v - ! K- B J7 q1 H' `5 {5 j
- #define USART_HardwareFlowControl_RTS_CTS ((uint16_t)0x0300)
8 H, w- O9 t0 _7 h$ A
复制代码 & l1 `4 C) U1 b) \
模式选择:
8 F2 o4 i6 |$ P- B- , p3 |* j5 a3 w8 h& H
- USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //收发模式
, ]" @- o/ L) o
5 R8 n9 w4 T& L; U- #define USART_Mode_Rx ((uint16_t)0x0004)# O9 I: e2 G5 U& H, A
- 0 d. o7 w6 Q& P2 @! C6 C
- #define USART_Mode_Tx ((uint16_t)0x0008)
复制代码 % l- l# i* B; v$ |% H
配置串口参数函数:
/ k. @ R( x. J2 ?( H+ W- o- USART_Init(USARTx, &USART_InitStructure);
" V# ^4 _, {2 B( B- | [ | - & a! R5 z' }. o( p8 m6 H
- 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;
- n7 V }' q: A; S% S- @( V& Y/ `/ F
+ H) q: M7 H( R, |! l. b使能接收中断:+ L& f. S h# B/ W0 A
- USART_ITConfig(USARTx, USART_IT_RXNE, ENABLE);
复制代码 , j4 i' }9 R. ^. Q+ g! W/ ^
使能发送缓冲空中断:# ~4 n5 J5 l% R8 D4 W8 T9 c8 ]) T
- USART_ITConfig(USARTx, USART_IT_TXE, ENABLE);
复制代码 * M! r! B3 W* ?$ p7 B
使能发送完成中断:
% y1 U) A! R: a: e: c, Y+ J- USART_ITConfig(USARTx, USART_IT_TC, ENABLE)
复制代码 0 H8 P- m! G1 d4 Q
使能USART:5 \+ W! q: N# ?( |( _* d) N& j" m
- USART_Cmd(USARTx, ENABLE);
复制代码
# [/ F9 B. l7 l+ a* B4 f& r* k- C
6 r5 c3 `' @" J M) q3 {$ L$ }3 V; i/ J4 f; t5 |% t: W, w
& k$ c: ]$ W- ^3 ^7 [1 R9 {
|