lcdgui.c

来自「完整的原创单片机控制彩色液晶源代码（keil工程） 320x240液晶模块底层」· C语言 代码 · 共 64 行

#include "LCD.h"
#include "LCDGUI.h"


//====================================================================================
void FillBox(unsigned int xb,unsigned int yb,unsigned int xe,unsigned int ye,unsigned int FillColor)
{
	unsigned int i,j;
		
	for (j=yb;j<=ye;j++)
	{
		SetRamAddr(xb,j);
		SendCom(0x22);
		for (i=xb;i<=xe;i++)
			SendDat(FillColor);
	}
}
//====================================================================================
void DrawPixel(unsigned int x,unsigned int y,unsigned int Color)
{
	SetRamAddr(x,y);
    SendCom(0x22);
    SendDat(Color);
}
//====================================================================================
void DispSmallPic(unsigned int x, unsigned int y, unsigned int w, unsigned int h, const unsigned char *str)
{
    unsigned int i,j,temp,p=0;

	for(j=0;j<h;j++)
    {
        SetRamAddr(x,y+j);
        SendCom(0x22); 
        for(i=0;i<w;i++)
        {
            temp=str[p++];     //低位在前
            temp|=str[p++] << 8;
            SendDat(temp);
        }
    }
}
//====================================================================================
void DispBitPic(unsigned int x, unsigned int y, unsigned int w, unsigned int h,
	const unsigned char *str,unsigned int BackColor,unsigned int FrontColor)
{
	unsigned int i,j,k,p=0;
	char temp;

    for(j=0;j<h;j++)
    {
        SetRamAddr(x,y+j);
        SendCom(0x22); 
        for(i=0;i<(w/8);i++)
        {
			temp = str[p++];
			for (k=0;k<8;k++)
				if (temp & (0x80 >> k))
					SendDat(FrontColor);	
				else
					SendDat(BackColor);
        }
    }
}