stm32F1单片机调简易倒立摆成功版源码含pid调节 -

/********************************************************
说明：本工程模板包含MPU6050，OLED,TIM2作为定时器使用时间片，
TIM3作4路PWM输出并计算输出的脉冲个数，使用PC15作为LED，
使用PE1，PE2，PE3，PE4做外部中断的按键输入。
作者：汕头大学电子系max团队
********************************************************/
#include "sys.h"
#include "delay.h"
#include "usart.h"
#include "math.h"
#include "led.h" //LED:PC15
#include "TIM4.h" //PB6和PB7为编码器通道
#include "TIM2.h" //定时器2作为时间片
#include "pwm.h" //定时器3做PWM输出，并计算输出脉冲个数；PB0,PB1,PA6,PA7
//#include "OLED_I2C.h" //SCL:PB10 SDA:PB11
#include "delay_1.h"
#include "key.h" //按键：PE1,PE2,PE3,PE4
#include "ADC.h" //AD1：通道1 PC0
#include "DMA.h"
#define N 10
float Kp = 160;
float Kd = 5;
float Ki = 1.2;
float Kp_b = 0; //编码器Kp
float Ki_b = 0; //编码器Kd
int Go = 0.0;
float err = 0;
float jifen_shangxian = 1000; //积分限幅
float Ju_Li_Max = 10000; //积分限幅
// ADC1转换的电压值通过MDA方式传到SRAM
extern __IO uint16_t ADC_ConvertedValue;
// 局部变量，用于保存转换计算后的电压值
float ADC_ConvertedValueLocal,Angle,Angle_err,Angle_Last,Angle_jifen;
extern uint8_t SendBuff[SIZE];
int PWM_OUT = 0,PWM_WEIYI ,PWM_ANGLE;
u8 time = 2; //定时器2计?
int Time_EN = 500;
int Time_Go = 0;
int Time_D = 10;
u8 Key_Flag = 0;//按键返回1234
int Count_TIM4 ; //脉冲数取值
int Wei_Yi; //更新脉冲数
int Wei_Yi_Last = 0;//上一次的位移数值
int Speed; //电机的速度
int Ju_Li = 0;//速度的积分
int Wei_Yi_flag=0;
int ZhouQi = 0;
u8 i = 0,j = 0;
float Lvbo[N] = {0};
int Mode1_Flag = 0,Mode4_Flag = 0;
/***************DMA打印函数****************/
/****
shu1:3位，shu2:5位，shu3:3位，shu4:4位，shu5:9位
*****/
void DMA_Send(int start,int Shu1,int Shu2 ,int Shu3,int Shu4,int Shu5) //start：数组的起始位置 shu：变量
{
if(Shu1 < 0)
{
Shu1 = -Shu1;
SendBuff[start] = '-';
SendBuff[start+1] = Shu1/100 + 0x30;
SendBuff[start+2] = Shu1%100/10 + 0x30;
SendBuff[start+3] = Shu1%10 + 0x30;
SendBuff[start+4] = ' ';
}
else
{
SendBuff[start] = '+';
SendBuff[start+1] = Shu1/100 + 0x30;
SendBuff[start+2] = Shu1%100/10 + 0x30;
SendBuff[start+3] = Shu1%10 + 0x30;
SendBuff[start+4] = ' ';
}
if(Shu2<0)
{
Shu2 = -Shu2;
SendBuff[start+5] = '-';
SendBuff[start+6] = Shu2/10000 + 0x30;
SendBuff[start+7] = Shu2%10000/1000 + 0x30;
SendBuff[start+8] = Shu2%1000/100 + 0x30;
SendBuff[start+9] = Shu2%100/10 + 0x30;
SendBuff[start+10] = Shu2%10 + 0x30;
SendBuff[start+11] = ' ';
}
else
{
SendBuff[start+5] = '+';
SendBuff[start+6] = Shu2/10000 + 0x30;
SendBuff[start+7] = Shu2%10000/1000 + 0x30;
SendBuff[start+8] = Shu2%1000/100 + 0x30;
SendBuff[start+9] = Shu2%100/10 + 0x30;
SendBuff[start+10] = Shu2%10 + 0x30;
SendBuff[start+11] = ' ';
}
if(Shu3 < 0)
{
Shu3 = -Shu3;
SendBuff[start+12] = '-';
SendBuff[start+13] = Shu3/100 + 0x30;
SendBuff[start+14] = Shu3%100/10 + 0x30;
SendBuff[start+15] = Shu3%10 + 0x30;
SendBuff[start+16] = ' ';
}
else
{
SendBuff[start+12] = '+';
SendBuff[start+13] = Shu3/100 + 0x30;
SendBuff[start+14] = Shu3%100/10 + 0x30;
SendBuff[start+15] = Shu3%10 + 0x30;
SendBuff[start+16] = ' ';
}
if(Shu4 < 0)
{
Shu4 = -Shu4;
SendBuff[start+17] = '-';
SendBuff[start+18] = Shu4/1000 + 0x30;
SendBuff[start+19] = Shu4%1000/100 + 0x30;
SendBuff[start+20] = Shu4%100/10 + 0x30;
SendBuff[start+21] = Shu4%10 + 0x30;
SendBuff[start+22] = ' ';
}
else
{
SendBuff[start+17] = '+';
SendBuff[start+18] = Shu4/1000 + 0x30;
SendBuff[start+19] = Shu4%1000/100 + 0x30;
SendBuff[start+20] = Shu4%100/10 + 0x30;
SendBuff[start+21] = Shu4%10 + 0x30;
SendBuff[start+22] = ' ';
}
if(Shu5 < 0)
{
Shu5 = -Shu5;
SendBuff[start+23] = '-';
SendBuff[start+24] = Shu5/100000000 + 0x30;
SendBuff[start+25] = Shu5%100000000/10000000 + 0x30;
SendBuff[start+26] = Shu5%10000000/1000000 + 0x30;
SendBuff[start+27] = Shu5%1000000/100000 + 0x30;
SendBuff[start+28] = Shu5%100000/10000 + 0x30;
SendBuff[start+29] = Shu5%10000/1000 + 0x30;
SendBuff[start+30] = Shu5%1000/100 + 0x30;
SendBuff[start+31] = Shu5%100/10 + 0x30;
SendBuff[start+32] = Shu5%10 + 0x30;
SendBuff[start+33] = ' ';
}
else
{
SendBuff[start+23] = '+';
SendBuff[start+24] = Shu5/100000000 + 0x30;
SendBuff[start+25] = Shu5%100000000/10000000 + 0x30;
SendBuff[start+26] = Shu5%10000000/1000000 + 0x30;
SendBuff[start+27] = Shu5%1000000/100000 + 0x30;
SendBuff[start+28] = Shu5%100000/10000 + 0x30;
SendBuff[start+29] = Shu5%10000/1000 + 0x30;
SendBuff[start+30] = Shu5%1000/100 + 0x30;
SendBuff[start+31] = Shu5%100/10 + 0x30;
SendBuff[start+32] = Shu5%10 + 0x30;
SendBuff[start+33] = ' ';
}
SendBuff[start+34]= '\n';
}
/*************电机控制：正转***************/
void Motor_Zheng(int pwm)
{
TIM_SetCompare1(TIM3,pwm);
GPIO_ResetBits(GPIOC, GPIO_Pin_4);
}
/*************电机控制：反转**************/
void Motor_Fan(int pwm)
{
TIM_SetCompare1(TIM3,1000-pwm);
GPIO_SetBits(GPIOC, GPIO_Pin_4);
}
int main(void)
{
// u8 i = 0,j = 0;
delay_init(); //延时函数初始化
NVIC_Configuration(); //设置NVIC中断分组2:2位抢占优先级，2位响应优先级
uart_init(115200); //串口初始化为9600
printf("***********************\r\n");
USART1_DMA_Config();
LED_GPIO_Config(); //LED初始化：PC15
TIM2_Init(); //定时器2初始化
TIM3_PWM_Init();//定时器3PWM输出初始化
Time4_Config(); //TIM4编码器模式
ADC1_Init(); //AD初始化 PC0
/*****************按键初始化****************/
KEY_Init();//IO初始化
EXTIX_Init();//外部中断初始化
printf("111111111111111111111111\r\n");
printf("333333333333333333333333333\r\n");
USART_DMACmd(USART1, USART_DMAReq_Tx, ENABLE); //串口1的DMA使能
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2 , ENABLE); //开启定时器TIM2
TIM_SetCounter(TIM4, 5050); //TIM4编码器计数初始值
while(1)
{
Count_TIM4 = (TIM4 -> CNT) - 5050; //定时器4脉冲计数，编码器输入，初始为5500
Wei_Yi = 5000*ZhouQi + Count_TIM4; //就算出位移
if((TIM4 -> CNT) >= 10050)
{
(TIM4 -> CNT) = 5050;
ZhouQi ++; //转的圈数++
}
else if((TIM4 -> CNT) <= 50)
{
(TIM4 -> CNT) = 5050;
ZhouQi--; //转的圈数--
}
/********递推均值滤波********/
Lvbo[i++] =(ADC_ConvertedValue - 2048)*0.0879 + err; // 读取转换的AD值(int)
if(i == N)
{
i = 0;
}
for(j = 0;j<N;j++)
{
ADC_ConvertedValueLocal = ADC_ConvertedValueLocal + Lvbo[j];
}
/*****按键4按下后给偏移角Go,其他状态不要偏移*********/
if(Key_Flag != 4)
{
Angle = ADC_ConvertedValueLocal /10;
}
else
{
Angle = ADC_ConvertedValueLocal /10+Go;
}
ADC_ConvertedValueLocal = 0;
/**********状态0关闭电机*******/
if(Key_Flag ==0)
{
GPIO_ResetBits(GPIOC, GPIO_Pin_5);
}
else if(Key_Flag == 1) //按键1，基本题第一二题，完成圆周运动
{
GPIO_SetBits(GPIOC, GPIO_Pin_5);
switch(Mode1_Flag)
{
case 0:{Motor_Zheng(800);}break;
case 1:{Motor_Fan(900);}break;
case 2:{Motor_Zheng(950);}break;
case 3:{Motor_Fan(950);}break;
case 4:{Motor_Zheng(800);}break;
case 5:{Motor_Zheng(0);Key_Flag =0;}break;
}
}
else if(Key_Flag == 3) //按键3，摆摆动至+-35度进入状态6，进行PID调节
{
GPIO_SetBits(GPIOC, GPIO_Pin_5);
switch(Mode1_Flag)
{
case 0:{Motor_Zheng(800);}break;
case 1:{Motor_Fan(900);}break;
case 2:{Motor_Zheng(180);}break; //200
case 3:{
Motor_Zheng(0);
if(Angle>-35&& Angle<35)
{
Key_Flag = 6;
}
else
{
Key_Flag =0;
}
}break;
}
}
LED1_TOGGLE ;
DMA_Send(0,Angle,Count_TIM4,Angle_err,Speed,Ju_Li);//Angle_jifen
LED1_TOGGLE ;
}
}
/*******************中断函数*******************/
void TIM2_IRQHandler(void)
{
if ( TIM_GetITStatus(TIM2 , TIM_IT_Update) != RESET )
{
time--;
if(time <= 0)
{
time = 2;
if(Key_Flag == 2) //状态2的PID控制
{
Angle_err = Angle-Angle_Last;
Angle_Last = Angle;
Speed = Wei_Yi - Wei_Yi_Last;
Wei_Yi_Last = Wei_Yi;
Ju_Li += Speed;
if(Ju_Li > Ju_Li_Max)
{
Ju_Li = Ju_Li_Max ;
}
if(Ju_Li < -Ju_Li_Max)
{
Ju_Li = -Ju_Li_Max ;
}
PWM_WEIYI = -Speed*Kp_b -Ju_Li*Ki_b ;
PWM_ANGLE = (Angle)*Kp + Angle_err*Kd;
PWM_OUT = PWM_ANGLE + PWM_WEIYI;
if(PWM_OUT < 0)
{
if(PWM_OUT<=-1000)
{
PWM_OUT=-1000;
}
Motor_Zheng(-PWM_OUT);
}
else
{
if(PWM_OUT>=1000)
{
PWM_OUT=1000;
}
Motor_Fan(PWM_OUT);
}
if(Angle >= 45 || Angle <=-45)
{
GPIO_ResetBits(GPIOC, GPIO_Pin_5);
Motor_Fan(0);
Key_Flag = 0;
PWM_OUT = 0;
Angle_jifen=0;
Wei_Yi_flag=0;
}
}
if(Key_Flag == 6) //状态6的PID控制，和状态2一样，可以适当微调
{
Angle_err = Angle-Angle_Last;
Angle_Last = Angle;
Speed = Wei_Yi - Wei_Yi_Last;
Wei_Yi_Last = Wei_Yi;
Ju_Li += Speed;
if(Ju_Li > Ju_Li_Max)
{
Ju_Li = Ju_Li_Max ;
}
if(Ju_Li < -Ju_Li_Max)
{
Ju_Li = -Ju_Li_Max ;
}
PWM_WEIYI = -Speed*Kp_b -Ju_Li*Ki_b ;
PWM_ANGLE = (Angle)*Kp + Angle_err*Kd;
PWM_OUT = PWM_ANGLE + PWM_WEIYI;
if(PWM_OUT < 0)
{
if(PWM_OUT<=-1000)
{
PWM_OUT=-1000;
}
Motor_Zheng(-PWM_OUT);
}
else
{
if(PWM_OUT>=1000)
{
PWM_OUT=1000;
}
Motor_Fan(PWM_OUT);
}
if(Angle >= 45 || Angle <=-45)
{
GPIO_ResetBits(GPIOC, GPIO_Pin_5);
Motor_Fan(0);
Key_Flag = 0;
PWM_OUT = 0;
Angle_jifen=0;
Wei_Yi_flag=0;
}
}
if(Key_Flag == 4) //状态4：给一个偏移角后进行同样的PID控制，系统会往偏移方向摆动
{
Angle_err = Angle-Angle_Last;
Angle_Last = Angle;
Speed = Wei_Yi - Wei_Yi_Last;
Wei_Yi_Last = Wei_Yi;
Ju_Li += Speed;
if(Ju_Li > Ju_Li_Max)
{
Ju_Li = Ju_Li_Max ;
}
if(Ju_Li < -Ju_Li_Max)
{
Ju_Li = -Ju_Li_Max ;
}
PWM_WEIYI = -Speed*Kp_b -Ju_Li*Ki_b ;
PWM_ANGLE = (Angle)*Kp + Angle_err*Kd;
PWM_OUT = PWM_ANGLE + PWM_WEIYI;
if(PWM_OUT < 0)
{
if(PWM_OUT<=-1000)
{
PWM_OUT=-1000;
}
Motor_Zheng(-PWM_OUT);
}
else
{
if(PWM_OUT>=1000)
{
PWM_OUT=1000;
}
Motor_Fan(PWM_OUT);
}
if(Angle >= 45 || Angle <=-45)
{
GPIO_ResetBits(GPIOC, GPIO_Pin_5);
Motor_Fan(0);
Key_Flag = 0;
PWM_OUT = 0;
Angle_jifen=0;
Wei_Yi_flag=0;
}
}
}
if(Key_Flag == 1) //按键1按下后，控制摆动的时间
{
Time_EN --;
if(Time_EN <=0 && Mode1_Flag <5)
{
Time_EN =500;
Mode1_Flag ++;
if(Mode1_Flag >= 5)
{
Mode1_Flag = 5;
}
}
}
if(Key_Flag == 3)
{
Time_EN --;
if(Time_EN <=0 && Mode1_Flag <3)
{
Time_EN =500;
Mode1_Flag ++;
if(Mode1_Flag >= 3)
{
Mode1_Flag = 3;
}
}
}
if(Key_Flag == 4)
{
Time_Go--;
if(Time_Go <= 0)
{
Time_Go = 0;
Go = 0;
Key_Flag = 2;
}
}
TIM_ClearITPendingBit(TIM2 , TIM_FLAG_Update);
}
}
//外部中断0服务程序
void EXTI1_IRQHandler(void)
{
delay_ms(10);//消抖
if(KEY3==1) //WK_UP按键1
{
Key_Flag = 1;
Time_EN = 500;
Mode1_Flag = 0;
}
EXTI_ClearITPendingBit(EXTI_Line1); //清除LINE0上的中断标志位
}
//外部中断2服务程序
void EXTI2_IRQHandler(void)
{
delay_ms(10);//消抖
if(KEY2==0) //按键KEY2
{
Kp = 160;//200
Kd = 1.5; //10
Kp_b = 0.2;//5 0.475
Ki_b = 2;
Ju_Li_Max=200;
Speed=0;
Key_Flag = 2;
GPIO_SetBits(GPIOC, GPIO_Pin_5);
Ju_Li = 0;
}
EXTI_ClearITPendingBit(EXTI_Line2); //清除LINE2上的中断标志位
}
//外部中断3服务程序
void EXTI3_IRQHandler(void)
{
delay_ms(10);//消抖
if(KEY1==0) //按键KEY3
{
Kp = 160;//200
Kd = 1.5; //10
Kp_b = 0.2;//5 0.475
Ki_b = 2;
Ju_Li_Max=200;
Speed=0;
GPIO_SetBits(GPIOC, GPIO_Pin_5);
Key_Flag = 3;
Time_EN = 500;
Mode1_Flag = 0;
Ju_Li = 0;
}
EXTI_ClearITPendingBit(EXTI_Line3); //清除LINE3上的中断标志位
}
void EXTI4_IRQHandler(void)
{
delay_ms(10);//消抖
if(KEY0==0) //按键KEY4
{
Kp = 160;//200
Kd = 1.5; //10
Kp_b = 0.2;//5 0.475
Ki_b = 2;
Ju_Li_Max=200;
Speed=0;
Key_Flag = 4;
GPIO_SetBits(GPIOC, GPIO_Pin_5);
Ju_Li = 0;
Time_Go = 3500;
Go = 3.0;
}
EXTI_ClearITPendingBit(EXTI_Line4); //清除LINE4上的中断标志位
}

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