//显示一个数字
//x,y:起点坐标
//num:数值(0~65536);
void TFT_ShowNum(u8 x,u16 y,long num)
{
u32 res ;
u8 t=0,t1=0;
if(num == 0)
{
TFT_ShowChar(x,y,'0');
}
if(num < 0)
{
num = -num;
TFT_ShowChar(x,y,'-');
x += 6;
}
res = num;
while(res)
{
res/=10;
t++;
}
t1=t;
while(t)
{
res = mypow(10,t-1);
TFT_ShowChar(x+(t1-t)*6,y,(num/res)%10+'0');
t--;
}
}
void TFT_ShowFloat(u8 x,u16 y,float fnum)
{
float fdot = 0.0f,fdotflag = 0.0f;
long num = 0;
if(fnum < 0.0f)
{
fnum = -fnum;
TFT_ShowChar(x,y,'-');
x += 6;
}
num = (long)fnum;
fdot = fnum - (float)num;
fdotflag = fdot;
//显示整数部分
TFT_ShowNum(x,y,num);
if(num == 0 )
x += 6;
//得到数字长度
while(num)
{
num /= 10;
x += 6;
}
TFT_ShowChar(x,y,'.');
x += 6;
while(fdotflag < 1.0f&& fdotflag != 0.0f)
{
fdot *= 10;
if(fdot < 1.0f)
{
TFT_ShowChar(x,y,'0');
x += 6;
}
num = (int)fdot;
fdotflag = fdot - (float)num;
}
num = (int)fdot;
TFT_ShowNum(x,y,num);
}
//显示字符串
//x,y:起点坐标
//*p:字符串起始地址
void TFT_ShowString(u8 x,u16 y,const u8 *p)
{
while(*p!='\0')
{
if(x>MAX_CHAR_POSX){x=0;y+=12;}
if(y>MAX_CHAR_POSY){y=x=0;TFT_Clear(0,0,240,320);}
TFT_ShowChar(x,y,*p);
x+=6;
p++;
}
}
void LCD_SHOW_CN15x16_String(unsigned short x0,unsigned short y0,unsigned char *str)
{
unsigned short X,Y;
if(x0+16>TFT_MAX_X-1||y0+16>TFT_MAX_Y-1) return;//判断是否超出TFT边界
X=x0;
Y=y0;
while( *str!='\0')
{
if(*str>=0xA1)
{
LCD_Show_CN_Char(X,Y,str);
X+=16;
if(X>TFT_MAX_X-1)
{
X=0;
Y+=16;
if(Y>TFT_MAX_Y-1) { Y=0; }
}
str+=2;
}
else
{
TFT_ShowChar(X,Y,*str);
X+=8;
if(X>TFT_MAX_X-1)
{
X=0;
Y+=16;
if(Y>TFT_MAX_Y-1) { Y=0; }
}
str+=1;
}
}
}
