51单片机实现DS18B20温度检测与TFT屏显示 -

//部分代码：
#include "public.h"
#include "uart.h"
#include "tftlcd.h"
#include "touch.h"
#include "gui.h"
#include "ds18b20.h"
sbit LED1=P3^6;
#define GRAPH_XSTART 5
#define GRAPH_YSTART 40
#define GRAPH_WIDTH 160
#define GRAPH_HEIGHT 130
#define GRAPH_BACKCOLOR BLACK
#define GRAPH_FRONTCOLOR GRAY
#define GRAPH_RIM_LTOC 0XA535 //左上外线颜色
#define GRAPH_RIM_LTIC 0X8431 //左上内线颜色
#define GRAPH_RIM_RBOC 0XFFFF //右下外线颜色
#define GRAPH_RIM_RBIC 0XDEFC //右下内线颜色
#define VALID_AREA_SPACE_LEFT 30
#define VALID_AREA_SPACE_RIGHT 5
#define VALID_AREA_SPACE_TOP 5
#define VALID_AREA_SPACE_BOTTOM 5
#define VALID_AREA_GRID_XSTART 0
#define VALID_AREA_GRID_YSTART 0
#define VALID_AREA_GRID_SPACE_X 20
#define VALID_AREA_GRID_SPACE_Y 20
#define VALID_AREA_GRID_LINE_COLOR GRAY
#define VAILD_AREA_GRID_WIDTH (GRAPH_WIDTH-VALID_AREA_SPACE_LEFT-VALID_AREA_SPACE_RIGHT)
#define VAILD_AREA_GRID_HEIGHT (GRAPH_HEIGHT-VALID_AREA_SPACE_TOP-VALID_AREA_SPACE_BOTTOM)
#define VAILD_AREA_GRID_XNUM (VAILD_AREA_GRID_WIDTH/VALID_AREA_GRID_SPACE_X)
#define VAILD_AREA_GRID_YNUM (VAILD_AREA_GRID_HEIGHT/VALID_AREA_GRID_SPACE_Y)
#define TEXT_XSTART GRAPH_XSTART
#define TEXT_YSTART GRAPH_YSTART+VALID_AREA_SPACE_TOP
#define TEXT_XSPACE VALID_AREA_GRID_SPACE_X
#define TEXT_YSPACE VALID_AREA_GRID_SPACE_Y
#define TEXT_WIDTH GRAPH_WIDTH-VAILD_AREA_GRID_WIDTH
#define TEXT_HEIGHT GRAPH_HEIGHT-VAILD_AREA_GRID_HEIGHT
#define TEXT_COLOR BLUE
#define TEXT_FONT 12
#define GRAPH_OBJECT_XSTART GRAPH_XSTART+VALID_AREA_SPACE_LEFT+VALID_AREA_GRID_XSTART
#define GRAPH_OBJECT_YSTART VAILD_AREA_GRID_HEIGHT+(GRAPH_YSTART+VALID_AREA_SPACE_TOP+VALID_AREA_GRID_YSTART)
#define GRAPH_OBJECT_COLOR GREEN
const u16 text_value[]={120,100,80,60,40,20};
//图形绘制
//x0,y0:图形的左上角坐标
//width,height:图形的尺寸
//backcolor:背景颜色
//frontcolor:前景颜色
void Graph_Create(u16 x0,u16 y0,u16 width,u16 height,u16 backcolor,u16 frontcolor)
{
u8 i=0;
gui_draw_vline(x0,y0,height,GRAPH_RIM_LTOC); //左外线
gui_draw_hline(x0,y0,width,GRAPH_RIM_LTOC); //上外线
gui_draw_vline(x0+1,y0+1,height-2,GRAPH_RIM_LTIC); //左内线
gui_draw_hline(x0+1,y0+1,width-2,GRAPH_RIM_LTIC); //上内线
gui_draw_vline(x0+width-1,y0,height,GRAPH_RIM_RBOC); //右外线
gui_draw_hline(x0,y0+height-1,width,GRAPH_RIM_RBOC); //下外线
gui_draw_vline(x0+width-2,y0+1,height-2,GRAPH_RIM_RBIC); //右内线
gui_draw_hline(x0+1,y0+height-2,width-2,GRAPH_RIM_RBIC); //下内线
gui_fill_rectangle(x0+2,y0+2,width-3,height-3,frontcolor); //填充内部
gui_fill_rectangle(x0+VALID_AREA_SPACE_LEFT,y0+VALID_AREA_SPACE_TOP,width-VALID_AREA_SPACE_LEFT-VALID_AREA_SPACE_RIGHT,height-VALID_AREA_SPACE_TOP-VALID_AREA_SPACE_BOTTOM,backcolor);
for(i=0;i<VAILD_AREA_GRID_XNUM;i++)
{
gui_draw_vline(x0+VALID_AREA_SPACE_LEFT+VALID_AREA_GRID_XSTART+(VALID_AREA_GRID_SPACE_X*i),y0+VALID_AREA_SPACE_TOP,height-VALID_AREA_SPACE_TOP-VALID_AREA_SPACE_BOTTOM,VALID_AREA_GRID_LINE_COLOR);
}
for(i=0;i<VAILD_AREA_GRID_YNUM;i++)
{
gui_draw_hline(x0+VALID_AREA_SPACE_LEFT+VALID_AREA_GRID_XSTART,y0+VALID_AREA_SPACE_TOP+(VALID_AREA_GRID_SPACE_Y*i),width-VALID_AREA_SPACE_LEFT-VALID_AREA_SPACE_RIGHT,VALID_AREA_GRID_LINE_COLOR);
}
}
void ReDraw_ValidAreaGird(u16 x0,u16 y0,u16 width,u16 height,u16 backcolor,u16 frontcolor)
{
u8 i=0;
gui_fill_rectangle(x0+VALID_AREA_SPACE_LEFT,y0+VALID_AREA_SPACE_TOP,width-VALID_AREA_SPACE_LEFT-VALID_AREA_SPACE_RIGHT,height-VALID_AREA_SPACE_TOP-VALID_AREA_SPACE_BOTTOM,backcolor);
for(i=0;i<VAILD_AREA_GRID_XNUM;i++)
{
gui_draw_vline(x0+VALID_AREA_SPACE_LEFT+VALID_AREA_GRID_XSTART+(VALID_AREA_GRID_SPACE_X*i),y0+VALID_AREA_SPACE_TOP,height-VALID_AREA_SPACE_TOP-VALID_AREA_SPACE_BOTTOM,VALID_AREA_GRID_LINE_COLOR);
}
for(i=0;i<VAILD_AREA_GRID_YNUM;i++)
{
gui_draw_hline(x0+VALID_AREA_SPACE_LEFT+VALID_AREA_GRID_XSTART,y0+VALID_AREA_SPACE_TOP+(VALID_AREA_GRID_SPACE_Y*i),width-VALID_AREA_SPACE_LEFT-VALID_AREA_SPACE_RIGHT,VALID_AREA_GRID_LINE_COLOR);
}
}
void Graph_AddText(u16 *value)
{
u8 i=0;
char text_str[VAILD_AREA_GRID_YNUM+1];
for(i=0;i<VAILD_AREA_GRID_YNUM;i++)
{
gui_num2strex(value[i], &text_str[i]);
gui_show_strmid(TEXT_XSTART,TEXT_YSTART+(TEXT_YSPACE*i),TEXT_WIDTH,TEXT_HEIGHT,TEXT_COLOR,TEXT_FONT,&text_str[i]);
}
}
void Graph_AddValue(u16 x0,u16 y0,u16 value,u16 color,u16 sampletime)
{
static u16 xtemp=GRAPH_OBJECT_XSTART;
static u16 ytemp=GRAPH_OBJECT_YSTART;
gui_draw_bline1(xtemp,ytemp,x0+sampletime,y0-value,1,color);
xtemp=x0+sampletime;
ytemp=y0-value;
if((sampletime>VAILD_AREA_GRID_WIDTH) || (value>VAILD_AREA_GRID_HEIGHT))
{
xtemp=GRAPH_OBJECT_XSTART;
ytemp=GRAPH_OBJECT_YSTART-value;
ReDraw_ValidAreaGird(GRAPH_XSTART,GRAPH_YSTART,GRAPH_WIDTH,GRAPH_HEIGHT,GRAPH_BACKCOLOR,GRAPH_FRONTCOLOR);
}
}
#define EDIT_START_X 55 //编辑框起始X坐标
#define EDIT_START_Y 180 //编辑框起始Y坐标
#define EDIT_WIDTH 60 //编辑框长
#define EDIT_HEIGHT 20 //编辑框高
#define EDIT_RIM_LTOC 0XA535 //左上外线颜色
#define EDIT_RIM_LTIC 0X8431 //左上内线颜色
#define EDIT_RIM_RBOC 0XFFFF //右下外线颜色
#define EDIT_RIM_RBIC 0XDEFC //右下内线颜色
#define EDIT_BACKCOLOR WHITE //背景色
#define EDIT_FRONTCOLOR BLUE //前景色
#define EDIT_FONTSIZE 16 //文本框内字体大小
//编辑框创建
//x0,y0:矩形的左上角坐标
//width,height:文本框的尺寸
//backcolor:背景颜色
void Edit_Create(u16 x0,u16 y0,u16 width,u16 height,u16 backcolor)
{
gui_draw_vline(x0,y0,height,EDIT_RIM_LTOC); //左外线
gui_draw_hline(x0,y0,width,EDIT_RIM_LTOC); //上外线
gui_draw_vline(x0+1,y0+1,height-2,EDIT_RIM_LTIC); //左内线
gui_draw_hline(x0+1,y0+1,width-2,EDIT_RIM_LTIC); //上内线
gui_draw_vline(x0+width-1,y0,height,EDIT_RIM_RBOC); //右外线
gui_draw_hline(x0,y0+height-1,width,EDIT_RIM_RBOC); //下外线
gui_draw_vline(x0+width-2,y0+1,height-2,EDIT_RIM_RBIC); //右内线
gui_draw_hline(x0+1,y0+height-2,width-2,EDIT_RIM_RBIC); //下内线
gui_fill_rectangle(x0+2,y0+2,width-3,height-3,backcolor);//填充内部
}
//编辑框显示字符串
//x0,y0:矩形的左上角坐标
//width,height:文本框的尺寸
//backcolor:背景颜色
//frontcolor:前景颜色
//size:文字大小
//str:字符串
void Edit_ShowString(u16 x0,u16 y0,u16 width,u16 height,u16 backcolor,u16 frontcolor,u8 size,u8 *str)
{
static u16 color_temp=0;
color_temp=BACK_COLOR;
BACK_COLOR=backcolor;
gui_show_strmidex(x0,y0,width,height,frontcolor,size,str,0);
BACK_COLOR=color_temp;
}
//编辑框显示数字
//x0,y0:矩形的左上角坐标
//len :数字的位数
//backcolor:背景颜色
//frontcolor:前景颜色
//size:字体大小
//num:数值(0~2^64);
void Edit_ShowNum(u16 x0,u16 y0,u8 len,u16 backcolor,u16 frontcolor,u8 size,long num)
{
static u16 color_temp=0;
color_temp=BACK_COLOR;
BACK_COLOR=backcolor;
gui_show_num(x0+4,y0+3,len,frontcolor,size,num,0);
BACK_COLOR=color_temp;
}
//温度监控系统测试
void TempertureControlSystem_Test(void)
{
u8 i=0;
float temper;
int value=0;
u8 buf[6];
u16 samptime=0;
u16 textvalue;
DS18B20_GetTemperture();
FRONT_COLOR=YELLOW;
LCD_ShowString(10,180,tftlcd_data.width,tftlcd_data.height,16,"Temp:");
LCD_ShowString(EDIT_START_X+EDIT_WIDTH+2,180,tftlcd_data.width,tftlcd_data.height,16,"^C");
Edit_Create(EDIT_START_X,EDIT_START_Y,EDIT_WIDTH,EDIT_HEIGHT,EDIT_BACKCOLOR);
Graph_Create(GRAPH_XSTART,GRAPH_YSTART,GRAPH_WIDTH,GRAPH_HEIGHT,GRAPH_BACKCOLOR,GRAPH_FRONTCOLOR);
Graph_AddText(text_value);
while(1)
{
i++;
if(i%10==0)
{
LED1=!LED1;
samptime++;
temper=DS18B20_GetTemperture();
if(temper<0)
{
printf("检测的温度为：-");
}
else
{
printf("检测的温度为： ");
}
printf("%.2f°C\r\n",temper);
value=temper;
Graph_AddValue(GRAPH_OBJECT_XSTART,GRAPH_OBJECT_YSTART,value,GRAPH_OBJECT_COLOR,samptime);
if((samptime>VAILD_AREA_GRID_WIDTH))samptime=0;
// Edit_ShowNum(EDIT_START_X,EDIT_START_Y,6,EDIT_BACKCOLOR,EDIT_FRONTCOLOR,EDIT_FONTSIZE,value);
textvalue=temper*10;
buf[0]=textvalue/1000+0x30;
buf[1]=textvalue%1000/100+0x30;
buf[2]=textvalue%1000%100/10+0x30;
buf[3]='.';
buf[4]=textvalue%1000%100%10+0x30;
buf[5]='\0';
Edit_ShowString(EDIT_START_X,EDIT_START_Y,EDIT_WIDTH,EDIT_HEIGHT,EDIT_BACKCOLOR,EDIT_FRONTCOLOR,EDIT_FONTSIZE,buf);
}
delay_ms(10);
}
}
void main()
{
UART_Init();
TFTLCD_Init();
FRONT_COLOR=RED;
LCD_ShowString(10,10,tftlcd_data.width,tftlcd_data.height,16,"Temperature Test");
while(DS18B20_Init())
{
LCD_ShowString(10,30,tftlcd_data.width,tftlcd_data.height,16,"DS18B20 Error!");
}
LCD_ShowString(10,30,tftlcd_data.width,tftlcd_data.height,16," ");
TempertureControlSystem_Test();
while(1)
{
}
}

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