main.c

MSP430单片机用12864液晶绘制DS18B20温度曲线源代码

#include <msp430x14x.h>
#include "Lcd12864.h"
#include "DS18B20.h"
#include "bmp.h"

#define CPU_F ((double)8000000) 
#define delayus(x) __delay_cycles((long)(CPU_F*(double)x/1000000.0)) 
#define delayms(x) __delay_cycles((long)(CPU_F*(double)x/1000.0))

#define uchar unsigned char
#define uint unsigned int

//=========================================
//函数功能:初始化时钟
//=========================================
void Init_CLK()
{
	unsigned int i;
	WDTCTL = WDTPW + WDTHOLD;	 //停止看门狗
	BCSCTL1 &= ~XT2OFF;			 //打开XT2振荡器
	do
	{
		IFG1 &= ~OFIFG;			 //清除振荡器失效标志
		for(i = 0xff;i > 0;i--); //延时，等待XT2起振
	}
	while((IFG1 & OFIFG) != 0);  //直到震荡失效标志不存在
	BCSCTL2 = SELM_2 + SELS;  	 //选择MCLK、SMCLK为XT2
}

//=========================================
//函数功能:主函数
//=========================================
void main()
{   
	uchar table[6];
    uint temp,XPonit,YPoint;
	float Point;
	Init_CLK();
  	InitLcd12864();
	Init_DS18B20();
	FillGdram(0x00);
	DisplayBMP(bmp);
    while(1)
    {
		for(XPonit=8;XPonit<=127;XPonit++)
		{	
			temp = Get_Temp();
			delayms(100);
			table[0] = temp / 100 + '0';
			table[1] = temp % 100 / 10 + '0';
			table[2] = '.';
			table[3] = temp % 10 + '0';
			table[4] = 'C';
			table[5] = '\0';
			DisplayString(1,6,table);  		//显示第一行，从第1个位置开始 
			Point = (float)temp / 10 + 0.5;
			YPoint = 63 - ((int)Point + 7);
			DrawPoint(XPonit,YPoint,1);
		}
		if(XPonit == 128)
		{	
			XPonit = 8;
			FillGdram(0x00);
			DisplayBMP(bmp);
		}
    }
	/*
    //DrawPoint(7,7,1); // 画点（7,7）
 	// 8 x 8 表格程序段开始
	
  	DrawHorizontalLine(0,127,0,1);
	
  	
  	DrawHorizontalLine(0,127,15,1);
  	DrawHorizontalLine(0,127,23,1);
  	DrawHorizontalLine(0,127,31,1);
  	DrawHorizontalLine(0,127,39,1);
  	DrawHorizontalLine(0,127,47,1);
  	DrawHorizontalLine(0,127,55,1);
  	DrawHorizontalLine(0,127,63,1);
  	DrawVerticalLine(0,0,63,1);
  	DrawVerticalLine(15,0,63,1);
  	DrawVerticalLine(31,0,63,1);
  	DrawVerticalLine(47,0,63,1);
  	DrawVerticalLine(63,0,63,1);
  	DrawVerticalLine(79,0,63,1);
  	DrawVerticalLine(95,0,63,1);
  	DrawVerticalLine(111,0,63,1);
  	DrawVerticalLine(127,0,63,1);
	
  	//8 x 8 表格程序段结束
  	//DrawLine(0,0,98,61,1); //画（0，0）（98,61）之间的直线
  
  	//DrawFillRectangle(10,10,40,60,1);//画填充矩形形
  	//DrawFillSquare(0,0,15,1);//画填充正方形
   	//DrawRectangle(10,10,60,60,1 );//画矩形

    // DrawSquare();//画正方形
  	//DrawCircle(64,32,30,1);
	*/
}