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標題: 基于STM32的手寫繪圖板的設計 [打印本頁]

作者: psa111 時間: 2018-3-10 10:09
標題: 基于STM32的手寫繪圖板的設計
#include "sys.h"
#include "delay.h"
#include "usart.h"
#include "led.h"
#include "key.h"
#include "exti.h"
#include "oled.h"
#include "bmp.h"
#include "stdio.h"
#include "timer.h"
#include "pwm.h"
#include "adc.h"
//#include "dma.h"
#include  "dac.h"
#include "math.h"
//#include "lcd.h"
int key=16,i=4;
/************************************************
Linear model Poly44:
   f(x,y) = p00 + p10*x + p01*y + p20*x^2 + p11*x*y + p02*y^2 + p30*x^3 + p21*x^2*y
                  + p12*x*y^2 + p03*y^3 + p40*x^4 + p31*x^3*y + p22*x^2*y^2
                  + p13*x*y^3 + p04*y^4

Coefficients (with 95% confidence bounds):
   p00 =    815.3  (-611.9, 2243)
   p10 =    -1825  (-4494, 844.2)
   p01 =    214.4  (-1273, 1702)
   p20 =       1371  (237.8, 2505)
   p11 =       -176  (-2239, 1887)
   p02 =    -21.87  (-1250, 1207)
   p30 =    -312.5  (-506.5, -118.6)
   p21 =    -269.4  (-1153, 614.5)
   p12 =    287.3  (-315.6, 890.2)
   p03 =    -82.47  (-401, 236.1)
   p40 =    -0.2298  (-11.15, 10.69)
   p31 =    127.4  (50.16, 204.6)
   p22 =    -116.1  (-333.8, 101.5)
   p13 =    34.01  (-116.9, 184.9)
   p04 =    0.272  (-26.4, 26.94)

************************************************/
u16 key_now;
u8 s[32];
u8 a[20];
u16 k=16;
static float X=0,Y=0,yx=0,yy=0;
int flag;
u16 len;
u16 t;
float j,sum=0;
u16 count;
double  value_bufx[60];
double  value_bufy[60];
double c1,c2,c3,c;

float p1  =          35.9051230284102;
float p2  =          2.51731140785174;
float p3  =          -0.00253321315735517;
float p4  =          1.13774697330653E-6;
float p5  =          -1.90794160143314E-10;
float p6 =          -2.40354264942655;
float p7  =          0.00220119494047271;
float p8 =          -8.97928617687215E-7;
float p9  =          1.37712805906337E-10;

/**************y1******************/
float p1a =          -31081.3357450581;
float p2a  =          -17.9062208628455;
float p3a =          0.0043239373019912;
float p4a  =          42.0937583654767;
float p5a =          -0.00671574580296278;
float p6a =          -72.3642534788514;
float p7a =          0.0248376285832583;
float p8a  =          70.2642217404328;
float p9a  =          -0.0232390975855509;
/**************y2********************/
float p1b =          -419518.550924149;
float p2b =          -69.145028647627;
float p3b  =          426.237917123716;
float p4b  =          -0.0526281803287531;
float p5b  =          -375.196812392642;
float p6b  =          0.120415417358666;
float p7b  =          381.675580450068;
float p8b  =          -0.122831413051161;

/**************y3********************/

void Initflont(void)
{
         OLED_ShowCHinese(0,0,21);//êÇ·ñμãÏÂ
      OLED_ShowCHinese(16,0,22);//êÇ·ñμãÏÂ
      OLED_ShowCHinese(32,0,28);//êÇ·ñμãÏÂ
      OLED_ShowCHinese(48,0,29);//êÇ·ñμãÏÂ
      OLED_ShowChar(65,0,':');
      OLED_ShowCHinese(70,0,22);//·ñ

      OLED_ShowCHinese(0,2,30);//ÏóÏT
      OLED_ShowCHinese(48,2,31);
OLED_ShowChar(65,2,':');
OLED_ShowCHinese(70,2,27);//ÎT

      OLED_ShowChar(0,4,'X');//XÖá
OLED_ShowCHinese(16,4,32);//
      OLED_ShowChar(32,4,':');

      OLED_ShowChar(0,6,'Y');//YÖá
OLED_ShowCHinese(16,6,32);//
      OLED_ShowChar(32,6,':');
}
void  Initswith()
{
      GNDB=1;
      GNDD=1;
      IB=1;
      ID=1;                //1  êÇ1Ø    0 êÇ¿a
}
void chooseX()             //  A B =I C  D=0
{
      GNDB=1;
      IB=0;
      GNDD=0;
      ID=1;
}

void chooseY()       //  A D= I    B  C= 0
{
      GNDB=0;
      IB=1;
      GNDD=1;
      ID=0;
}

void penwide(float px,float py,u16 wide)
{
OLED_DrawPoint(px,py+wide,1);
OLED_DrawPoint(px,py,1);
OLED_DrawPoint(px+wide,py,1);
OLED_DrawPoint(px+wide,py+wide,1);
}

int main(void)
{
      //u16 led0pwmval=0;
      //u8 dir=1;
  delay_init(); //Ñóê±oˉêy3õê¼»ˉ
      uart_init(115200);
  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //éèÖÃNVIC·Ö×é á½Î»ÇàÕ¼óÅÏè¼¶ á½Î»Ïìó|óÅÏè¼¶
      LED_Init();                         //3õê¼»ˉóëLEDá¬½óμÄó2¼t½ó¿ú
      Ch451_Init();
      Exti_Init();
      OLED_Init();
      Adc_Init();
      Adc_Init2();
      DAC1_Init();
      //lcd_Init();
      TIM3_Int_Init(60,7199);
//       OLED_ShowCHinese(32,2,16);
//  OLED_ShowCHinese(48,2,17);
//       OLED_ShowCHinese(64,2,18);
//       OLED_ShowCHinese(80,2,19);
//       OLED_ShowCHinese(96,2,20);
//
//       OLED_ShowCHinese(32,4,35);
//       OLED_ShowCHinese(48,4,36);
//
//       OLED_ShowCHinese(80,4,37);
//       OLED_ShowCHinese(96,4,38);

  Initswith();
//       TIM3_PWM_Init(49999,71);
// TIM_SetCompare2(TIM3,25000);
  //chooseY();
      i=0;
      while(1)
{

// c=y*3.3/4095;
//
//X=2.07;
//Y=1.854;
// if(key==14)
//       {
// chooseX();
//             key=16;
//                i=4;
//       }
//       if(key==15)
//       {
// chooseY();
//       key=16;
//                i=6;
//       }
//       if(key==11)
//       {
//                Initswith();
//                key=16;
//       }
//       sprintf((char*)a,"%.3f",yx);
//       OLED_ShowString(40,i,a);

//       sprintf((char*)a,"%.3f",yy);
//       OLED_ShowString(40,i,a);

      //c = p00 + p10*X + p01*Y + p11*X*Y + p02*pow(Y,2)+ p12*X*pow(Y,2) + p03*pow(Y,3);

// c = p00 + p10*X + p01*Y + p20*pow(X,2) + p11*X*Y + p02*pow(Y,2) + p30*pow(X,3)+ p21*pow(X,2)*Y
//                   + p12*X*pow(Y,2) + pow(Y,3) + p40*pow(X,4) + p31*pow(X,3)*Y + p22*pow(X,2)*pow(Y,2)
//                   + p13*X*pow(Y,3)+ p04*pow(Y,4) + p50*pow(X,5) + p41*pow(X,4)*y + p32*pow(X,3)*pow(Y,2);

// j = p00 + p10*X + p01*Y + p20*pow(X,2) + p11*X*Y + p02*pow(Y,2) + p30*pow(X,3)+ p21*pow(X,2)*Y
// + p12*X*pow(Y,2) + p03*pow(Y,3)+ p40*pow(X,4) + p31*pow(X,3)*Y + p22*pow(X,2)*pow(Y,2)
//                + p13*X*pow(Y,3) + p04*pow(Y,4);

      if(i<100)
      {
            chooseX();
            X=yx;
      }

      if(i>100&&i<200)
      {
      chooseY();
            Y=yy;
            if(i==199)
            i=0;
      }

//x// z = p1+p2*x+p3*x^2+p4*x^3+p5*x^4+p6*y+p7*y^2+p8*y^3+p9*y^4
//y1       Z = (p1+p2*x+p3*x^2+p4*y+p5*y^2)/(1+p6*x+p7*x^2+p8*y+p9*y^2)
//y2 z = (p1+p2*x+p3*y+p4*y^2)/(1+p5*x+p6*x^2+p7*y+p8*y^2)
//y3
               if(i==0)
{
  //j= (p1+p2*X+p3*pow(X,2)+p4*pow(X,3)+p5*Y)/(1+p6*X+p7*pow(X,2)+p8*Y+p9*pow(Y,2)+p10*pow(Y,3));
j= p1+p2*X+p3*pow(X,2)+p4*pow(X,3)+p5*pow(X,4)+p6*Y+p7*pow(Y,2)+p8*pow(Y,3)+p9*pow(Y,4);
// if(j>0&&j<5)
//       j=j+j/5;
if(j>-7&&j<=0)

{
  c1= (p1a+p2a*X+p3a*pow(X,2)+p4a*Y+p5a*pow(Y,2))/(1+p6a*X+p7a*pow(X,2)+p8a*Y+p9a*pow(Y,2));
      if(j>-6&&j<=-3)
      c1-=0.3;
      else
      c1-=1;
      c=c1;
}

if(j>0&&j<=6)
      {
  c2= (p1b+p2b*X+p3b*Y+p4b*pow(Y,2))/(1+p5b*X+p6b*pow(X,2)+p7b*Y+p8b*pow(Y,2))-1;
  c=c2;
      }
}

if(key==5)
{
      Initflont();
      key=16;
}

if(yx>700&&yy<3000) //ÏÔê¾ êÇ·ñμãÏÂ
{
OLED_ShowCHinese(70,0,21);//êÇ
if(j>0)
OLED_ShowCHinese(100,2,34);//right
if(j<0)
OLED_ShowCHinese(100,2,33);//left

if(j>0&&c>0)
      OLED_ShowCHinese(70,2,23);//one
  if(j<0&&c>0)
      OLED_ShowCHinese(70,2,24);//two
if(j<0&&c<0)
      OLED_ShowCHinese(70,2,25);//three
if(j>0&&c<0)
      OLED_ShowCHinese(70,2,26);//four

      sprintf((char*)a,"%.1f",j);
      OLED_ShowString(40,4,a);
  OLED_ShowString(73,4," ");
  sprintf((char*)s,"%.1f",c);
      OLED_ShowString(40,6,s);
OLED_ShowString(73,6," ");
}

else
{
               OLED_ShowCHinese(70,0,22);//·ñ
               OLED_ShowCHinese(70,2,27);//ÎT
               OLED_ShowCHinese(100,2,27);//ÎT
}


      if(key==13)
      {
            printf("%.3f\r\n",yx);
            key=16;
      }

  if(key==12)
      {
            printf("%.3f\r\n",yy);
            key=16;
      }
}

}

void TIM3_IRQHandler(void) //¶¨ê±Æ÷ÖD¶Ï
{

if(TIM_GetITStatus(TIM3,TIM_IT_Update)==SET)
      //after_kalman_MiddlevalueFilter(Get_Adc(ADC_Channel_1));
      //y=after_kalman_MiddlevalueFilter(Get_Adc(ADC_Channel_1));
      //y=fliter(Get_Adc(ADC_Channel_1));
      //yx=KalmanFilter(Get_Adc(ADC_Channel_1),0.01,50);
  //yy=KalmanFilter(Get_Adc2(ADC_Channel_0),0.5,9);
  //y=GlideFilterAD1(value_bufx,60,Get_Adc(ADC_Channel_1));
      if(i<100)
  yx=GlideFilterAD1(value_bufx,60,Get_Adc(ADC_Channel_1));
  if(i>100&&i<200)
  yy=GlideFilterAD2(value_bufy,60,Get_Adc2(ADC_Channel_0));
  i++;
// yx=yx*3.3/4095;
      //yy=yy*3.3/4095;

      TIM_ClearITPendingBit(TIM3,TIM_IT_Update);

}

void EXTI3_IRQHandler(void)  //¼üÅìÖD¶Ïoˉêy
{
  key=ch451_read();
      EXTI_ClearITPendingBit(EXTI_Line3);
}

程序.rar

329.9 KB, 下載次數: 19, 下載積分: 黑幣 -5

作者: QWER01234 時間: 2018-3-14 15:45
樓主能簡單介紹一下這個程序的功能嗎

作者: silentice 時間: 2018-6-13 19:22
有原理圖和pcb嗎

歡迎光臨 (http://m.izizhuan.cn/bbs/)