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- 2020-9-27
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38金钱
各位大神,我用stm32f4单片机控制步进电机驱动器(MA860C)驱动86步进电机转动,连接如图所示,
用的例程是原子哥增值资料里提供的步进电机控制器例程
#include "driver.h"
#include "delay.h"
#include "usart.h"
//////////////////////////////////////////////////////////////////////////////////
//±¾3ìDòÖ»1©Ñ§Ï°ê1óã¬Î′¾-×÷ÕßDí¿é£¬2»μÃóÃóúÆäËüèÎoÎóÃí¾
//′Ëày3ìóD2ο¼ÂÛì3íøóÑày3ìμÄò»2¿·Ö(http://www.openedv.com/thread-41832-1-1.html)
//ALIENTEK STM32F407¿a·¢°å
//2½½øμç»úÇy¶ˉÆ÷ 2aêÔ′úÂë
//lycreturn@ALIENTEK
//¼¼êõÂÛì3:www.openedv.com
//DT¸ÄèÕÆú:2016/05/12
//°æ±¾£oV1.0
//°æè¨ËùóD£¬μá°æ±Ø¾¿¡£
//Copyright(C) 1ãÖYêDDÇòíμç×ó¿Æ¼¼óDÏT1«Ë¾ 2009-2019
//All rights reserved
//********************************************************************************
//DT¸ÄèÕÆú:2016/05/12
//////////////////////////////////////////////////////////////////////////////////
/********** Çy¶ˉÆ÷ ¶Ë¿ú¶¨òå **************
//DRIVER_DIR PE5 (DCMI_D6)
//DRIVER_OE PE6 (DCMI_D7)
//STEP_PULSE PC7 (TIM8_CH2 DCMI_D1)
******************************************/
u8 rcr_remainder; //ÖØ¸′¼Æêyóàêy2¿·Ö
u8 is_rcr_finish=1; //ÖØ¸′¼ÆêyÆ÷êÇ·ñéèÖÃíê3é
long rcr_integer; //ÖØ¸′¼ÆêyÕûêy2¿·Ö
long target_pos=0; //óD·ûoÅ·½Ïò
long current_pos=0; //óD·ûoÅ·½Ïò
DIR_Type motor_dir=CW;//Ë3ê±Õë
/************** Çy¶ˉÆ÷¿ØÖÆDÅoÅÏß3õê¼»ˉ ****************/
void Driver_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);//ê1ÄüGPIOEê±Öó
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5|GPIO_Pin_6; //DRIVER_DIR DRIVER_OE¶Ôó|òy½Å
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;//ÆÕí¨êä3öÄ£ê½
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//íÆíìêä3ö
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100M
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//éÏà-
GPIO_Init(GPIOE, &GPIO_InitStructure);//3õê¼»ˉGPIOE5,6
GPIO_SetBits(GPIOE,GPIO_Pin_5);//PE5êä3ö¸ß Ë3ê±Õë·½Ïò DRIVER_DIR
GPIO_ResetBits(GPIOE,GPIO_Pin_6);//PE6êä3öμí ê1Äüêä3ö DRIVER_OE
}
/***********************************************
//TIM8_CH2(PC7) μ¥Âö3åêä3ö+ÖØ¸′¼Æêy1|Äü3õê¼»ˉ
//TIM8 ê±ÖóÆμÂê 84*2=168MHz
//arr:×Ô¶ˉ֨װÖμ
//psc:ê±ÖóÔ¤·ÖÆμêy
************************************************/
void TIM8_OPM_RCR_Init(u16 arr,u16 psc)
{
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM8,ENABLE); //TIM8ê±Öóê1Äü
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE); //ê1ÄüPORTCê±Öó
GPIO_PinAFConfig(GPIOC,GPIO_PinSource7,GPIO_AF_TIM8); //GPIOC7¸′óÃÎa¶¨ê±Æ÷8
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; //GPIOC7
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; //¸′óÃ1|Äü
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //Ëù¶è100MHz
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //íÆíì¸′óÃêä3ö
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN; //ÏÂà-
GPIO_Init(GPIOC,&GPIO_InitStructure); //3õê¼»ˉPF9
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
TIM_TimeBaseStructure.TIM_Period = arr; //éèÖÃÔúÏÂò»¸ö¸üDÂê¼t×°èë»î¶ˉμÄ×Ô¶ˉÖØ×°ÔØ¼Ä′æÆ÷ÖüÆúμÄÖμ
TIM_TimeBaseStructure.TIM_Prescaler =psc; //éèÖÃóÃà′×÷ÎaTIMxê±ÖóÆμÂê3yêyμÄÔ¤·ÖÆμÖμ
TIM_TimeBaseStructure.TIM_ClockDivision = 0; //éèÖÃê±Öó·Ö¸î:TDTS = Tck_tim
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //TIMÏòéϼÆêyÄ£ê½
TIM_TimeBaseInit(TIM8, &TIM_TimeBaseStructure); //¸ù¾YTIM_TimeBaseInitStructÖDÖ¸¶¨μÄ2Îêy3õê¼»ˉTIMxμÄê±¼ä»ùêyμ¥λ
TIM_ClearITPendingBit(TIM8,TIM_IT_Update);
TIM_UpdateRequestConfig(TIM8,TIM_UpdateSource_Regular); /********* éèÖÃÖ»óD¼Æêyòç3ö×÷Îa¸üDÂÖD¶Ï ********/
TIM_SelectOnePulseMode(TIM8,TIM_OPMode_Single);/******* μ¥Âö3åÄ£ê½ **********/
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //Ñ¡Ôñ¶¨ê±Æ÷Ä£ê½:TIMÂö3å¿í¶èμ÷ÖÆÄ£ê½2
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //±è½Ïêä3ö2ê1Äü
TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Disable; /****** ±è½Ïêä3ö2Nê§Äü *******/
TIM_OCInitStructure.TIM_Pulse = arr>>1; //éèÖÃ′y×°èë2¶»ñ±è½Ï¼Ä′æÆ÷μÄÂö3åÖμ
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //êä3ö¼«DÔ:TIMêä3ö±è½Ï¼«DÔ¸ß
TIM_OC2Init(TIM8, &TIM_OCInitStructure); //¸ù¾YTIM_OCInitStructÖDÖ¸¶¨μÄ2Îêy3õê¼»ˉíaéèTIMx
TIM_OC2PreloadConfig(TIM8, TIM_OCPreload_Enable); //CH2Ô¤×°ÔØê1Äü
TIM_ARRPreloadConfig(TIM8, ENABLE); //ê1ÄüTIMxÔúARRéÏμÄÔ¤×°ÔØ¼Ä′æÆ÷
TIM_ITConfig(TIM8, TIM_IT_Update ,ENABLE); //TIM8 ê1Äü»òÕßê§ÄüÖ¸¶¨μÄTIMÖD¶Ï
NVIC_InitStructure.NVIC_IRQChannel = TIM8_UP_TIM13_IRQn; //TIM8ÖD¶Ï
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; //ÏèÕ¼óÅÏè¼¶1¼¶
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; //′óóÅÏè¼¶1¼¶
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQí¨μà±»ê1Äü
NVIC_Init(&NVIC_InitStructure); //¸ù¾YNVIC_InitStructÖDÖ¸¶¨μÄ2Îêy3õê¼»ˉíaéèNVIC¼Ä′æÆ÷
TIM_ClearITPendingBit(TIM8, TIM_IT_Update); //Çå3yTIMxμÄÖD¶Ï′y′|àíλ:TIM ÖD¶ÏÔ′
TIM_Cmd(TIM8, ENABLE); //ê1ÄüTIM8
}
/******* TIM8¸üDÂÖD¶Ï·tÎñ3ìDò *********/
void TIM8_UP_TIM13_IRQHandler(void)
{
if(TIM_GetITStatus(TIM8,TIM_FLAG_Update)!=RESET)//¸üDÂÖD¶Ï
{
TIM_ClearITPendingBit(TIM8,TIM_FLAG_Update);//Çå3y¸üDÂÖD¶Ï±ê־λ
if(is_rcr_finish==0)//ÖØ¸′¼ÆêyÆ÷Î′éèÖÃíê3é
{
if(rcr_integer!=0) //Õûêy2¿·ÖÂö3å»1Î′·¢Ëííê3é
{
TIM8->RCR=RCR_VAL;//éèÖÃÖØ¸′¼ÆêyÖμ
rcr_integer--;//¼õéùRCR_VAL+1¸öÂö3å
}else if(rcr_remainder!=0)//óàêy2¿·ÖÂö3å 2»Î»0
{
TIM8->RCR=rcr_remainder-1;//éèÖÃóàêy2¿·Ö
rcr_remainder=0;//Çåáã
is_rcr_finish=1;//ÖØ¸′¼ÆêyÆ÷éèÖÃíê3é
}else goto out; //rcr_remainder=0£¬Ö±½óíË3ö
TIM_GenerateEvent(TIM8,TIM_EventSource_Update);//2úéúò»¸ö¸üDÂê¼t ÖØDÂ3õê¼»ˉ¼ÆêyÆ÷
TIM_CtrlPWMOutputs(TIM8,ENABLE); //MOE Ö÷êä3öê1Äü
TIM_Cmd(TIM8, ENABLE); //ê1ÄüTIM8
if(motor_dir==CW) //èç1û·½ÏòÎaË3ê±Õë
current_pos+=(TIM8->RCR+1);//¼óéÏÖØ¸′¼ÆêyÖμ
else //·ñÔò·½ÏòÎaÄæê±Õë
current_pos-=(TIM8->RCR+1);//¼õè¥Öظ′¼ÆêyÖμ
}else
{
out: is_rcr_finish=1;//ÖØ¸′¼ÆêyÆ÷éèÖÃíê3é
TIM_CtrlPWMOutputs(TIM8,DISABLE); //MOE Ö÷êä3ö1رÕ
TIM_Cmd(TIM8, DISABLE); //1رÕTIM8
printf("μ±Ç°Î»ÖÃ=%ld\r\n",current_pos);//′òó¡êä3ö
}
}
}
/***************** Æô¶ˉTIM8 *****************/
void TIM8_Startup(u32 frequency) //Æô¶ˉ¶¨ê±Æ÷8
{
u16 temp_arr=1000000/frequency-1;
TIM_SetAutoreload(TIM8,temp_arr);//é趨×Ô¶ˉ֨װÖμ
TIM_SetCompare2(TIM8,temp_arr>>1); //Æ¥ÅäÖμ2μèóú֨װÖμò»°ë£¬êÇòÔÕ¼¿Õ±èÎa50%
TIM_SetCounter(TIM8,0);//¼ÆêyÆ÷Çåáã
TIM_Cmd(TIM8, ENABLE); //ê1ÄüTIM8
}
/********************************************
//Ïà¶Ô¶¨Î»oˉêy
//num 0¡«2147483647
//frequency: 20Hz~100KHz
//dir: CW(Ë3ê±Õë·½Ïò) CCW(Äæê±Õë·½Ïò)
*********************************************/
void Locate_Rle(long num,u32 frequency,DIR_Type dir) //Ïà¶Ô¶¨Î»oˉêy
{
if(num<=0) //êyÖμD¡μèóú0 ÔòÖ±½ó·μ»Ø
{
printf("\r\nThe num should be greater than zero!!\r\n");
return;
}
if(TIM8->CR1&0x01)//éÏò»′ÎÂö3å»1Î′·¢Ëííê3é Ö±½ó·μ»Ø
{
printf("\r\nThe last time pulses is not send finished,wait please!\r\n");
return;
}
if((frequency<20)||(frequency>100000))//Âö3åÆμÂê2»Ôú·¶Î§Äú Ö±½ó·μ»Ø
{
printf("\r\nThe frequency is out of range! please reset it!!(range:20Hz~100KHz)\r\n");
return;
}
motor_dir=dir;//μÃμ½·½Ïò
DRIVER_DIR=motor_dir;//éèÖ÷½Ïò
if(motor_dir==CW)//Ë3ê±Õë
target_pos=current_pos+num;//Ä¿±êλÖÃ
else if(motor_dir==CCW)//Äæê±Õë
target_pos=current_pos-num;//Ä¿±êλÖÃ
rcr_integer=num/(RCR_VAL+1);//ÖØ¸′¼ÆêyÕûêy2¿·Ö
rcr_remainder=num%(RCR_VAL+1);//ÖØ¸′¼Æêyóàêy2¿·Ö
is_rcr_finish=0;//ÖØ¸′¼ÆêyÆ÷Î′éèÖÃíê3é
TIM8_Startup(frequency);//¿aÆôTIM8
}
/********************************************
//¾ø¶Ô¶¨Î»oˉêy
//num -2147483648¡«2147483647
//frequency: 20Hz~100KHz
*********************************************/
void Locate_Abs(long num,u32 frequency)//¾ø¶Ô¶¨Î»oˉêy
{
if(TIM8->CR1&0x01)//éÏò»′ÎÂö3å»1Î′·¢Ëííê3é Ö±½ó·μ»Ø
{
printf("\r\nThe last time pulses is not send finished,wait please!\r\n");
return;
}
if((frequency<20)||(frequency>100000))//Âö3åÆμÂê2»Ôú·¶Î§Äú Ö±½ó·μ»Ø
{
printf("\r\nThe frequency is out of range! please reset it!!(range:20Hz~100KHz)\r\n");
return;
}
target_pos=num;//éèÖÃÄ¿±êλÖÃ
if(target_pos!=current_pos)//Ä¿±êoíμ±Ç°Î»ÖÃ2»í¬
{
if(target_pos>current_pos)
motor_dir=CW;//Ë3ê±Õë
else
motor_dir=CCW;//Äæê±Õë
DRIVER_DIR=motor_dir;//éèÖ÷½Ïò
rcr_integer=abs(target_pos-current_pos)/(RCR_VAL+1);//ÖØ¸′¼ÆêyÕûêy2¿·Ö
rcr_remainder=abs(target_pos-current_pos)%(RCR_VAL+1);//ÖØ¸′¼Æêyóàêy2¿·Ö
is_rcr_finish=0;//ÖØ¸′¼ÆêyÆ÷Î′éèÖÃíê3é
TIM8_Startup(frequency);//¿aÆôTIM8
}
}
主函数是
#include "sys.h"
#include "delay.h"
#include "usart.h"
#include "led.h"
#include "usmart.h"
#include "key.h"
#include "driver.h"
//ALIENTEK ì½Ë÷ÕßSTM32F407¿a·¢°å
//2½½øμç»úÇy¶ˉÆ÷ 2aêÔ′úÂë
//¼¼êõÖ§3Ö:www.openedv.com
//1ãÖYêDDÇòíμç×ó¿Æ¼¼óDÏT1«Ë¾
int main(void)
{
u8 i;
u8 keyval;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//éèÖÃÏμí3ÖD¶ÏóÅÏè¼¶·Ö×é2
delay_init(168); //3õê¼»ˉÑóê±oˉêy
uart_init(115200); //3õê¼»ˉ′®¿ú2¨ìØÂêÎa115200
usmart_dev.init(84); //3õê¼»ˉUSMART
LED_Init(); //3õê¼»ˉLED
KEY_Init(); //°′¼ü3õê¼»ˉ
Driver_Init(); //Çy¶ˉÆ÷3õê¼»ˉ
TIM8_OPM_RCR_Init(999,168-1); //1MHz¼ÆêyÆμÂê μ¥Âö3å+ÖØ¸′¼ÆêyÄ£ê½
while(1)
{
keyval=KEY_Scan(0);
if(keyval==WKUP_PRES)
{
Locate_Abs(0,50000);//°′ÏÂWKUP£¬»Øáãμã
}else if(keyval==KEY0_PRES)
{
Locate_Rle(2000,50000,CW);//°′ÏÂKEY0£¬òÔ500HzμÄÆμÂê Ë3ê±Õë·¢200Âö3å
}else if(keyval==KEY1_PRES)
{
Locate_Rle(4000,50000,CCW);//°′ÏÂKEY1£¬òÔ500HzμÄÆμÂê Äæê±Õë·¢400Âö3å
}
delay_ms(10);
i++;
if(i==50)
{
i=0;
LED1=!LED1;
}
}
}
我只更改了下输出频率为5000HZ,输出脉冲数为4000和2000,
用XCOM串口助手测试代码时,可以正常输出脉冲,单片机上的灯也一直闪烁,但是按照图上所示连接好后,步进电机有扭矩,但是不转,也不嗡嗡响,单片机上的灯在一直闪烁,我试过多种输出频率了,电机都是不转,请各位大神看看我的接线是不是有问题,或者是哪里有问题,帮帮我!很急!提前谢谢大家了!
这是MA860C步进电机驱动器的参数
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