菜鸟之示波函数！！！用LCD画坐标更直观显示ADC转换的电压值

2019-07-20 12:24发布

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本帖最后由下一个牛顿于 2017-8-24 10:57 编辑

本人菜鸟，今天下午写了个示波函数，用LCD来显示ADC转化的值。

附上代码：

#include "showwavefun.h"
#include "lcd.h"
/*
MAX:×Ý×ø±ê×î´óÖµ
MIn:×Ý×ø±ê×îÐ¡Öµ
OriginalPoint-X£ºÔ µãX×ø±ê£¨Ïà¶ÔÓÚÆÁÄ»ÏñËØµã£©
OriginalPoint-Y£ºÔ µãY×ø±ê£¨Ïà¶ÔÓÚÆÁÄ»ÏñËØµã£©
Volue:´«Êä´æ´¢×Ý×ø±êÖµ±äÁ¿
high:ÉèÖÃYÖá¸ß¶È

*/
void Show_Wave_Fun(float MAX,float MIN,u16 OriginalPoint_X,u16 OriginalPoint_Y,float Volue,u16 high)
{
  u16 X;u8 Y,i;
float Temp=0;
static u16 X_temp=0;
static u16 High=0;
static u16 Mode0_volue[240][1]={0};//ÊúÆÁÄ£Ê½Ê¹ÓÃ
  POINT_COLOR=BLACK;

Temp=MAX-MIN;
High=high;
  //if(Temp>0)high=(Temp)*((float)40/(((u16)(Temp/5))+1));//¼ÆËãÊÊµ±µÄ·Å´óËõÐ¡±¶Êý
  //else if(Temp<700) high=(Temp);//¼ÆËãÊÊµ±µÄ·Å´ó±¶Êý
  //else return;//¸ß¶È³¬¹ýÆÁÄ»ÏñËØµã¸ß¶È
LCD_DrawLine(OriginalPoint_X,OriginalPoint_Y,240+OriginalPoint_X,OriginalPoint_Y);//» XÖá
  if(OriginalPoint_Y>=High)
LCD_DrawLine(OriginalPoint_X,OriginalPoint_Y,OriginalPoint_X,OriginalPoint_Y-High);//» YÖá
  else  LCD_DrawLine(OriginalPoint_X,OriginalPoint_Y,OriginalPoint_X,0);//» YÖá

Y=(u16)((Volue-MIN)*High/Temp);
for(i=0,X=OriginalPoint_X;i<=X_temp;X++,i++)//»òÓÃLCD_Clear(WHITE);Õâ¸öÊ¡Ê±¼ä£¬Ö»Çå³ý» ¹ýµÄµã
  {
LCD_Fast_DrawPoint(X,OriginalPoint_Y-Mode0_volue[0],WHITE);
  }
  if(X_temp==240-1)
  for(i=0;i<=X_temp;i++)
  {
if(i+1<240)
Mode0_volue[0]=Mode0_volue[i+1][0];//ºá×ø±êÒÆ¶¯
  }
Mode0_volue[X_temp][0]=Y;

  for(i=0,X=OriginalPoint_X;i<=X_temp;X++,i++)
  {
  LCD_Fast_DrawPoint(X,OriginalPoint_Y-Mode0_volue[0],RED);
  }


  if(X_temp<240-1)
X_temp++;
}

头文件：
#ifndef SHOW_WAVE_FUN_H
#define SHOW_WAVE_FUN_H
#include "sys.h"
void Show_Wave_Fun(float MAX,float MIN,u16 OriginalPoint_X,u16 OriginalPoint_Y,float Volue,u16 high);
#endif