驱动电机运动5 Y* [. ~' h1 k3 L4 b8 A$ X/ I
软件:Keil5
$ {3 U% }9 b8 k2 i设备:步进电机(17HS4401)、驱动器、单片机(STM32F103)
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) h' b7 Z* d% g& V: _接线方式:3 L4 t' f3 |' }1 P, c
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电机与驱动器:黑A+,绿A-,红B+,蓝B-
, C* @; W3 S* f驱动器与单片机:MF-PC8,DR-PC9,PU-PB5,COM-3.3V# }5 e- p, u0 l1 O) L
main.c:(注解部分为此次用不上的程序)
6 W) R: ~5 u( \5 r1 Q- <font face="微软雅黑" size="3">#include "led.h"
}& M# T x4 A - #include "delay.h"
% s2 V; _* k; ^! A( h - #include "key.h": b+ c1 C% E# w6 U
- #include "sys.h"
# t7 C b( m2 M, @ - #include "usart.h"
" C1 _/ H k8 B - #include "timer.h"8 N4 ~; G2 T) k; n: Y( i8 H
- #include "foot_definition.h"- J( x, \5 ?5 n+ j4 U
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- int main(void)
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- TIM3_PWM_Init(99,99);
# V' [1 e! z# C - PC89_Init();
, |, }% M+ R% @ - //uart1_init(115200);//PA9 PA10
8 _8 N; Z0 ~$ h3 ?1 J7 H/ q - //uart2_init(115200);//PA2 PA3
. g f! I: `! x" P; S2 q - //uart3_init(115200);//PB10 PB11
v* C9 a2 a4 V - delay_init();1 x, W( s& l4 g, F$ N. N
- //KEY_Init(); ; Y I% R! i6 f' \ i2 M; n( h
- LED_Init();. I9 v) W: r- L* L9 f+ B
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
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- while (1)
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- GPIO_SetBits(GPIOC,GPIO_Pin_9);
' y0 v, {: _- c7 o! X - GPIO_SetBits(GPIOC,GPIO_Pin_8);9 D' T6 G% O7 Y. w& J: J
- TIM_Cmd(TIM3, ENABLE); # `, Y9 F$ f( J. Y- P2 m
- LED1=!LED1;4 T8 M q) w4 c5 M2 |4 @4 N
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- </font>
复制代码 time.c:; k k3 d6 {' W) k \
- <font face="微软雅黑" size="3">#include "timer.h": D% ?3 Q0 u, m7 p# f0 k
- #include "led.h"
" }# z" ?* W8 U5 q( j - #include "usart.h"
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- void TIM3_PWM_Init(u16 arr,u16 psc)
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3 N- }! i: _6 j+ N2 ^5 o7 |+ f4 ]. h$ H; k - GPIO_InitTypeDef GPIO_InitStructure;3 W( u& {8 }. r# I) A: [0 j% r. i m
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
+ C1 C N+ i5 J1 D { - TIM_OCInitTypeDef TIM_OCInitStructure;
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4 h6 q$ f, C5 ^9 a+ C- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);: t# C, ^* g, f
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE); ( ?. f: \2 R4 r0 L1 t
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- GPIO_PinRemapConfig(GPIO_PartialRemap_TIM3, ENABLE); 0 |# o& o: `/ B# Y; V0 D6 R
- # ^ K& `& r' x0 C1 J1 B1 G, a* a. K2 K
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
+ s% R: u2 O9 n - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- D% O/ p: B9 s3 O$ y7 x9 `% d" I; R - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
# O. N f( ^0 R6 p$ b - GPIO_Init(GPIOB, &GPIO_InitStructure);
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9 [. m# } D% r' w - TIM_TimeBaseStructure.TIM_Period = arr; " u' t2 V- F6 J& {. I$ C
- TIM_TimeBaseStructure.TIM_Prescaler =psc;
G ], m% M8 k: y1 `5 Q: x" _9 u- T - TIM_TimeBaseStructure.TIM_ClockDivision = 0;
3 z* D6 q0 ]# |! A; \ ^6 k" H) { - TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;4 n0 U6 u# o' _" r9 p' G$ R+ |% c3 z# |
- TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);$ g/ r& j, |' k8 D/ q$ ?
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- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
3 ~6 v- a/ z* H' _3 u - TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
8 b- z4 ^9 ?9 }2 f. w. x- v' l - TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
8 @9 z5 X4 ?! [' ]" L - TIM_OCInitStructure.TIM_Pulse=arr;
' p; c2 a2 _3 K& V" C1 | - TIM_OC2Init(TIM3, &TIM_OCInitStructure); % B0 N. N" i( ^6 p9 `$ ?7 V
, f" ~6 G3 a$ c" O- TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Enable); " D6 V. U9 u+ j# R" w
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- TIM_Cmd(TIM3, DISABLE);
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复制代码 time.h:
/ d. J2 ^; a* n3 \3 Z' Z- <font face="微软雅黑" size="3">#ifndef __TIMER_H
# I* A& a% c. V9 V - #define __TIMER_H$ P6 C5 l7 E7 Y) `& }+ Y
- #include "sys.h"
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- void TIM3_PWM_Init(u16 arr,u16 psc);</font>
复制代码 foot_definition.c 名字随意取得,用以存放调用串口的程序)
1 G6 Q1 {3 _# [# `$ o, a- <font face="微软雅黑" size="3">#include "foot_definition.h"( m& E" A9 R4 _7 [& e7 k$ ?
- #include "stm32f10x_it.h"3 H; F" V' K% `+ W! z8 W- ^ a1 N
- #include "delay.h"3 K) L/ m; n1 q1 }9 ]
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- void PC89_Init(void) //
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- GPIO_InitTypeDef GPIO_InitStructure;* _3 X6 i1 s% r! o1 q
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- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); + x' |" E* Z3 p, i( ]
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- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9;
0 x2 n) R- A& X3 E/ y0 F5 D - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;# N+ }4 g& T1 D* i% A* S8 u U
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;" {9 O8 O" r: l* K2 E
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- GPIO_Init(GPIOC, &GPIO_InitStructure);) O h! W. X* ]2 e
- GPIO_ResetBits(GPIOC,GPIO_Pin_8); //MF1 Z* U7 ~/ f. H9 g; E' F
- GPIO_ResetBits(GPIOC,GPIO_Pin_9); //DIR
9 V* y% p" {( f$ L - }</font>
复制代码 foot_definition.h:
( V7 E( k$ G" a) F: Q- <font face="微软雅黑" size="3">#ifndef _FOOT_DEFINITION_H4 C$ _, I( ^- S' w
- #define _FOOT_DEFINITION_H$ N0 q+ v! \/ U6 {. {2 u' G
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- void PC89_Init(void);</font>
复制代码 可以通过修改 TIM3_PWM_Init(99,99) 括号中的两个参数来改变PWM脉冲发送的频率,以达到控制电机转速的目的。& h9 t1 K. T9 \
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