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- void Encoder_Init_TIM3(void)
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! |! L: T8 D" u$ A) [; ` - TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
n7 r8 V+ [& M$ x. ?% B - TIM_ICInitTypeDef TIM_ICInitStructure; 4 v/ y% n1 i, {
- GPIO_InitTypeDef GPIO_InitStructure;6 E/ m( Q- _. Y7 U9 n" ?
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- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);//?????2???
* k8 U( G. c1 V, R3 g% z - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);//??PA PB????0 ^' q! x6 U0 U3 P: w
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
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- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; //???? PA15% S" j2 ?6 \% D" Q" [; z( o
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //????
! l, v4 o* L I. R - GPIO_Init(GPIOA, &GPIO_InitStructure); //?????????GPIOA
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2 Z3 Q- J( q! c& U& d% S) x - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; //???? PB3
4 ~/ q' a4 {. M. q: d1 _. ]- S - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //????1 T( `: O. m" f6 r' _6 ~0 Q' K
- GPIO_Init(GPIOA, &GPIO_InitStructure); //?????????GPIOB# F& h3 Y4 k5 \" Y" t
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- TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
+ Y" }6 J7 S9 _3 C! B - TIM_TimeBaseStructure.TIM_Prescaler = 0x0; // ????
5 [6 k, y0 a9 _3 x) I - TIM_TimeBaseStructure.TIM_Period = 65535; //??????????% b' Z7 C. r. c/ P/ u' q
- TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;//??????:???/ l/ J8 g) ~4 U3 D8 w4 U5 b
- TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;//?????? * q- M- r, u! g! T2 t
- TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); //??????2% n! m- M3 q8 ^- o* s; O
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7 R6 d/ x5 i# x& t, s. L P% C' Y) B - TIM_EncoderInterfaceConfig(TIM3, TIM_EncoderMode_TI12, TIM_ICPolarity_Rising, TIM_ICPolarity_Rising);//???????3 E. M, J( p1 O! C1 H; P0 F K
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- TIM_ICStructInit(&TIM_ICInitStructure); //?TIM_ICInitStruct ?????????????
7 E$ f' ^9 |, x' h, S+ U* F - TIM_ICInitStructure.TIM_ICFilter = 10; //???????
0 P/ k4 H/ z* E0 P - TIM_ICInit(TIM3, &TIM_ICInitStructure);//?? TIM_ICInitStruct ???????? TIMx+ p* U6 @9 A3 C8 Z, [
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- TIM_ClearFlag(TIM3, TIM_FLAG_Update);//??TIM??????
8 X9 T, `5 O0 v8 c" G - TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);//???????
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0 ^( q) A# o4 n( ?- u - TIM_SetCounter(TIM3,0);$ v& c: R+ B. M
- TIM_Cmd(TIM3, ENABLE); //?????2
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- void Encoder_Init_TIM4(void)
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% c/ Q; m6 Y: |1 k8 ~/ `) N1 e - TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
9 S3 B& _; R; d. d0 R - TIM_ICInitTypeDef TIM_ICInitStructure; + ?8 D8 N( r E' @, ^, c
- GPIO_InitTypeDef GPIO_InitStructure;" d X( H5 |; Y5 Z7 F
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- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);//?????2???7 H$ o, y/ z+ a9 L8 _4 p4 x
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);//??PA PB????
8 Z) I7 d) w ^3 K - RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
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- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; //???? PA15
/ |; [ q+ d4 d+ T x C5 y" \ - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //????
1 L- d5 i" L+ C4 T) o2 B - GPIO_Init(GPIOB, &GPIO_InitStructure); //?????????GPIOA
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- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; //???? PB3
7 ^: o. G( \4 {5 K' y% @' @ - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //????/ ?0 G! A; r& j0 `5 g
- GPIO_Init(GPIOB, &GPIO_InitStructure); //?????????GPIOB
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' x8 B( C- |/ ? - TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);+ Z. z' H! _: j& ~
- TIM_TimeBaseStructure.TIM_Prescaler = 0x0; // ????
. D/ Q" V0 A8 {; ?% V - TIM_TimeBaseStructure.TIM_Period = 65535; //??????????9 m+ d8 V! [ n; V1 ?: n0 ]
- TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;//??????:???
$ O/ n) y1 {* f# [: }% ]* | - TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;//??????
& R0 z1 `: J6 z( m - TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); //??????2# w* F# c2 u$ t( |6 x1 }
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- TIM_EncoderInterfaceConfig(TIM4, TIM_EncoderMode_TI12, TIM_ICPolarity_Rising, TIM_ICPolarity_Rising);//???????3
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. R+ _8 J" S; Y( @+ e" R! S; I - TIM_ICStructInit(&TIM_ICInitStructure); //?TIM_ICInitStruct ?????????????
1 s4 X- H6 ~9 C$ T+ [$ d - TIM_ICInitStructure.TIM_ICFilter = 2; //???????+ v3 Y- L( {) r, b
- TIM_ICInit(TIM4, &TIM_ICInitStructure);//?? TIM_ICInitStruct ???????? TIMx
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2 z; \2 V! F/ Q- R - TIM_ClearFlag(TIM4, TIM_FLAG_Update);//??TIM??????* i! j2 C2 V) W7 t
- TIM_ITConfig(TIM4, TIM_IT_Update, ENABLE);//???????
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9 d! J3 W+ j( e. {6 t - TIM_SetCounter(TIM4,0);
. K Y7 [ b+ }1 A) \& y - TIM_Cmd(TIM4, ENABLE); //?????2: b1 C/ R# u$ S) }
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9 V6 y+ V h3 l! |读取函数
4 ~! N' ]! l$ m4 v8 Q w- [& Q- int Read_EncoderB(void)7 \# R3 e. ]5 { x) J1 Q, F
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+ A- j) e7 W" Z8 N" R. C - int encoder_num;
' M0 r! y- b0 { - encoder_num = (int)((int16_t)(TIM3->CNT));
3 \$ _# W5 q; p. U; _8 Y0 e - //TIM_SetCounter(TIM3, 0);: h( U5 o7 p: O; F" x, @
- return encoder_num;
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2 S& M B/ e5 D' O - int Read_EncoderA(void)
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2 x" M7 U0 Y, o. |: E$ R1 o9 z8 { - int encoder_num;' ~) t* ~2 ?) k: A8 k
- encoder_num = (int)((int16_t)(TIM4->CNT)); 5 q' W/ ~* A0 D+ G
- //TIM_SetCounter(TIM3, 0);* T4 T' M# Q& X/ o/ {/ i7 o2 L8 m
- return encoder_num;
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q8 [# R4 Y( z2 |. ?' T! {. b - TIM_SetCounter(TIM3, 0);9 z' ^1 X* k2 p. h0 D5 ^
- TIM_SetCounter(TIM4, 0);
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