初始化代码' L- E6 v& C% U8 i l, r) R
- void Encoder_Init_TIM3(void)
0 J6 g# j9 D0 r c# a2 m - {
6 j% i) x8 n' h1 W' U5 V, J4 ]& { - TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
: L' ?! l u% G0 Z% @ - TIM_ICInitTypeDef TIM_ICInitStructure; + U: H2 M: L! N P |
- GPIO_InitTypeDef GPIO_InitStructure;
7 U3 x6 g' q& ]4 J -
' v0 {& M. @: L& f# N4 j - RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);//?????2???# E+ C5 h" J! ~
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);//??PA PB????
1 U3 {, o; q0 S! G0 w - RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);+ c# E! W2 W4 r$ V& @
- * `$ }7 e9 E" g
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; //???? PA153 U/ | e6 p1 m% b9 Y2 H
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //????" v3 a( E/ L: |% F
- GPIO_Init(GPIOA, &GPIO_InitStructure); //?????????GPIOA
+ o |' i; I- G) R$ f -
; M1 F& y: Z) p/ M' Q) [ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; //???? PB3
) f- }1 ?8 V1 I( v& u7 n: X1 d - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //????
0 X+ k t% j% j! }/ K - GPIO_Init(GPIOA, &GPIO_InitStructure); //?????????GPIOB
" _* _" o+ [! @! h+ f! I. I$ K -
% B5 c' ~8 c) L! z - TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
) \* D- A! h' X! ~1 J0 k4 N7 E! F - TIM_TimeBaseStructure.TIM_Prescaler = 0x0; // ????
* v5 X @& A$ |) E. G* D& D - TIM_TimeBaseStructure.TIM_Period = 65535; //??????????6 _ w* U$ V0 u L- c
- TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;//??????:???
0 ^1 x( w* j* b P - TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;//??????
! n; @1 j9 _: p. c. y' e - TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); //??????2" H$ i: t3 E7 |0 f& J3 D/ P, w& d6 v
- , Z8 h& S# i2 C1 J U, @7 j* {
- TIM_EncoderInterfaceConfig(TIM3, TIM_EncoderMode_TI12, TIM_ICPolarity_Rising, TIM_ICPolarity_Rising);//???????3
( a T$ O) d- |5 E - , C6 F" e3 ~. x1 k
- TIM_ICStructInit(&TIM_ICInitStructure); //?TIM_ICInitStruct ?????????????
1 E/ P" G# Q- O5 E" f. ]0 Y) F - TIM_ICInitStructure.TIM_ICFilter = 10; //???????
4 o, D& S, u; e: O9 \+ I: Q' ^9 P - TIM_ICInit(TIM3, &TIM_ICInitStructure);//?? TIM_ICInitStruct ???????? TIMx
) @" W9 u* ?9 ]4 z - ! V. f7 j' e, s
- TIM_ClearFlag(TIM3, TIM_FLAG_Update);//??TIM??????8 p& R- }1 f" q' `& O; e4 } t" O
- TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);//???????
! z! n1 r+ T" [ -
3 i" N6 U8 B% c% u/ M, V" {0 | - TIM_SetCounter(TIM3,0);! K9 h/ T% K- Q( `
- TIM_Cmd(TIM3, ENABLE); //?????2) L1 T) I9 t: z. K
- }% `7 V% w$ P8 m- f& m. [/ r1 z
- 3 M; n. p7 }9 I' {' M3 W. s
- void Encoder_Init_TIM4(void)+ p- z# b+ ~# w& n) P/ Q9 i
- {5 y, u* Y' T4 A- S$ w; e q' a; e
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
w% l J/ r8 n- ^ - TIM_ICInitTypeDef TIM_ICInitStructure; ; ?& ^! u8 A" p! U+ ~* C* q% G: P
- GPIO_InitTypeDef GPIO_InitStructure;
# @: V9 r( ^3 X - . f/ J$ W, c0 q7 q5 U
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);//?????2??? X6 q; `& d1 s
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);//??PA PB????
' E4 U/ r4 x: Q% z! j - RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
9 D+ S( ~" j% S9 n0 {2 Z5 N - 3 p1 i8 a3 K0 s) L! j+ \8 k4 q
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; //???? PA15) T/ d7 [: S; K7 l5 b+ `* ?' M
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //????
* Z9 r% q0 j, A8 z' H H8 G - GPIO_Init(GPIOB, &GPIO_InitStructure); //?????????GPIOA j' ?" I* |: Q9 M" r/ e: q
-
# u+ T+ K1 J% g( N- G5 n' r - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; //???? PB3
* e7 i6 [: Y! F5 f - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //????
4 b; d7 h9 @1 M# P; T1 k - GPIO_Init(GPIOB, &GPIO_InitStructure); //?????????GPIOB
# k0 w( }: C& t: S% H/ g) }. y -
, G$ P' ~" m! h$ o! r - TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
8 `3 A x! R5 l - TIM_TimeBaseStructure.TIM_Prescaler = 0x0; // ????
4 b! A6 ^4 [2 c; T9 @ - TIM_TimeBaseStructure.TIM_Period = 65535; //??????????3 k4 _- u" X& {
- TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;//??????:???
6 ]8 F/ t; o8 a1 S2 ~) h - TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;//??????
$ l1 t( i3 Q" H, V% V - TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); //??????2
3 t+ T. ~. e8 h5 N( y6 X( ^0 a" X - ' E v8 s& E+ _
- TIM_EncoderInterfaceConfig(TIM4, TIM_EncoderMode_TI12, TIM_ICPolarity_Rising, TIM_ICPolarity_Rising);//???????3
% v1 u% v# I9 P. p3 a -
8 U! v$ d% }* B. c3 s - TIM_ICStructInit(&TIM_ICInitStructure); //?TIM_ICInitStruct ?????????????4 Q' p3 M: q% A, R2 n* R( i
- TIM_ICInitStructure.TIM_ICFilter = 2; //???????& ^, A) c4 |4 n. [% [" y* L3 e( p
- TIM_ICInit(TIM4, &TIM_ICInitStructure);//?? TIM_ICInitStruct ???????? TIMx8 x* g9 w6 E: \% i- y) W
- , e k' |( A- d
- TIM_ClearFlag(TIM4, TIM_FLAG_Update);//??TIM??????! w6 ?. {$ I& C s, ?* j
- TIM_ITConfig(TIM4, TIM_IT_Update, ENABLE);//???????; k# _) L# V$ K: ~: l/ n9 m$ R- N4 l
-
. L2 I2 ^7 n2 v2 s* ^ - TIM_SetCounter(TIM4,0);% w2 h' @: G7 H4 b( Z; X
- TIM_Cmd(TIM4, ENABLE); //?????26 M/ x% q" W# M" n0 F$ L
- }
复制代码 B! t# O: V8 |% x: @" V
读取函数# K! U, @. q, A/ ?
- int Read_EncoderB(void)
1 V% J* p8 r8 @% q - {
* z1 I+ {6 s" ^3 r - int encoder_num;
2 `7 n7 V# N2 v - encoder_num = (int)((int16_t)(TIM3->CNT)); . X" h: C+ F8 L) {, g
- //TIM_SetCounter(TIM3, 0);
* m7 r* r5 f8 s - return encoder_num;
9 a& ?7 A- n9 G! M; l - }; @7 ^# X+ \( V1 E7 t; R1 N
- int Read_EncoderA(void)
2 E5 c" z3 F5 a" c. O" N$ C4 Q - {
/ i1 A5 R$ ]& y - int encoder_num;
2 Q. | n4 T7 d% _ - encoder_num = (int)((int16_t)(TIM4->CNT)); ' `4 s! }8 v( M, U% H- O6 z
- //TIM_SetCounter(TIM3, 0);
( c W, K e3 {; u$ n4 g, o1 s - return encoder_num;; R- E# S6 ?; l) E2 z; U3 p4 B
- }
复制代码 3 F" r1 x* r4 s9 ^0 D+ N) }
置零函数
+ `; m1 x U9 X `3 ~ J-
4 F, E! y% {! s* W - TIM_SetCounter(TIM3, 0);4 f, r0 n3 T# K z' u
- TIM_SetCounter(TIM4, 0);
复制代码
& U7 h4 z% x1 f8 L————————————————
" [; ?$ `2 ]6 E$ F版权声明:阻容降压
0 O/ G( A3 u) o% M! @+ ~# H如有侵权请联系删除! ]1 K @0 j' b v9 e# Z3 m
, Y& X8 ?9 J- h2 \0 `
' j- q' Z3 x! Q, @) |) g, v7 T
|