lm3033a.c

Embest ATEB40x开发板LCD测试程序

//------------------------------------------------------------------------------------------------
//		Topway Test Program
//	Copyright 2003.4.18 embedded Inc.
//------------------------------------------------------------------------------------------------
//The following is for LM3033a liquid crystal module drived  by ST7920's LCD controller 
#include "../inc/LCD.h"

#define 	uchar	unsigned char
#define		uint	unsigned int
#define  	high	1
#define		low		0
#define		error	0
#define		true	1

#define     Port           0x03000000
#define     CS4_Var        (Port|0x251a)
#define     Pwr_instr      Port            // 写访问:指令(A1=0 A2=0) 
#define     Pwr_data       (Port + (1<<2)) // 写访问:数据(A1=0 A2=1 )
#define     Prd_instr      (Port + (1<<1)) // 读访问:指令(A1=1 A2=0)
#define     Prd_data       (Port + (3<<1)) // 读访问:数据(A1=1 A2=1)

uchar     key1=   0;
uchar     key2=   0;
uchar     key3=   0;
uchar     key4=   0;
uchar     key_temp;
uchar     temp_Pwr_instr;
uchar     temp_P3;
uchar     error_num;	//1:表示状态忙判断超时导致的错误；
        		   	//2:
        		  	//3:
        		  	//4:
void _nop_(){
__asm("mov r0,r0");
}
        		  	
//define variable
//Define ctrlcode for SED5331:
#define Lcd_ON   0xaf	//显示开
uchar xinghao[14]={0xa3,0xcc,0xa3,0xcd,0xa3,0xb3,0xa3,0xb0,0xa3,0xb3,0xa3,0xb3,0xa1,0xa0};
uchar company[]={0xd3,0xd0,0xcf,0xde,0xb9,0xab,0xcb,0xbe};	//有限公司
uchar gosleep[16]={0xa3,0xc7,0xa3,0xef,0xa1,0xa1,0xa3,0xd3,0xa3,0xec,0xa3,0xe5,0xa3,0xe5,0xa3,0xf0};	//Go Sleep
uchar ch_wakeup[14]={0xa3,0xd7,0xa3,0xe1,0xa3,0xeb,0xa3,0xe5,0xa1,0xa1,0xa3,0xd5,0xa3,0xf0};	//Wake Up
//------------------------------------------------------------------------------------------------

//------------------------------------------------------------------------------------------------
//辅助函数
//------------------------------------------------------------------------------------------------
void delay100us(void)		//delay TIMER1*1 ms for 12MHz
{
	uchar i;
	for(i=0;i<=250;i++)	{	_nop_();_nop_();	}
}
void delay1ms(void)		//delay TIMER1*1 ms for 12MHz
{
	uchar i;
	for(i=0;i<=250;i++)	{	_nop_();_nop_();	}
}
void delay100ms(void)
{
	uchar j;
	for(j=0;j<=250;j++)	{	delay1ms();	}	
}
void delay500ms()
{
	uchar l;
	for(l=0;l<=50;l++)	{	delay100ms();	}	
}
void delay1s(void)
{
	uchar l;
	for(l=0;l<=200;l++)	{	delay100ms();	}
}
void test_LCD(void)
{
	int *p;
	p = (int *)0xffe00000;
	
    *(p+4) = CS4_Var;  // R/W enable CS4
    *(p+9) = 0x4;      // CS4(A)
    flow_init();
	dis_char();// 
    
}

//------------------------------------------------------------------------------------------------
//指令和数据操作
//------------------------------------------------------------------------------------------------
void wr_command(uchar wr_data1)
{
   char *p;
   p = (char *)Pwr_instr;
	 	 
	*p = wr_data1;
	_nop_();
	delay100us();
	 
	 
}
void wr_data(uchar wr_data1)
{
   char *p;
   p = (char *)Pwr_data;
	 
	*p =  wr_data1;
	_nop_();
	delay100us();
	 
	 
}
//------------------------------------------------------------------------------------------------
void dis_interface_num(uchar data_temPwr_instr,uchar data_temp2)
{
	uchar i,j;

	wr_command(0x30);delay100us();
	wr_command(0x34);delay100us();	//设定绘图显示off
	wr_command(0x01);delay100ms();	//delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();//清除显示
	wr_command(0x02);delay100us();	//地址归位
	wr_command(0x36);delay100us();	//设定绘图显示off
	for(i=0;i<=31;i++)
	{
		for(j=0;j<=18;j++)
		{
		wr_command(0x80+i);	wr_command(0x80+j);
		wr_data(data_temPwr_instr);		wr_data(data_temp2);
		}	
	}
	wr_command(0x36);delay100us();	//设定绘图显示ON
	// 
}
void dis_hen_num(uchar data_temPwr_instr,uchar data_temp2)
{
	uchar i,j;
	// 
	wr_command(0x30);delay100us();
	wr_command(0x34);delay100us();	//设定绘图显示off
	wr_command(0x01);delay100ms();//delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();//清除显示
	wr_command(0x02);delay100us();	//地址归位
	wr_command(0x36);delay100us();	//设定绘图显示off
	for(i=0;i<=31;i++)
	{
		for(j=0;j<=15;j++)
		{
		wr_command(0x80+i);		wr_command(0x80+j);
		wr_data(data_temPwr_instr);		wr_data(data_temPwr_instr);
		}
		i++;
		for(j=0;j<=15;j++)
		{
		wr_command(0x80+i);		wr_command(0x80+j);
		wr_data(data_temp2);		wr_data(data_temp2);
		}	
	}
	wr_command(0x36);delay100us();	//设定绘图显示ON
	// 
}
//------------------------------------------------------------------------------------------------
//测试程序
//------------------------------------------------------------------------------------------------
void dis_interface(uchar dis_number)	//测试点阵  screen number:2,6,7,10,11,12,13
{
	wr_command(0x0c);delay100us();
	switch(dis_number)
		{
			case 1: dis_interface_num(0xff,0xff);break;
			case 2: dis_interface_num(0x00,0x00);break;
			case 3: dis_interface_num(0x55,0x55);break;
			case 4: dis_interface_num(0xaa,0xaa);break;
			case 5: dis_hen_num(0xff,0x00);break;
			case 6: dis_hen_num(0x00,0xff);break;
			case 7: dis_hen_num(0xaa,0x55);break;
			case 8: dis_hen_num(0x55,0xaa);break;
			default:	error_num=2;break;
		}
}
void dis_char()	//显示公司名称
{
	uchar i=0,j=0;
	// 
	wr_command(0x30);delay100us();	//指令集
	wr_command(0x30);delay100us();	//指令集
	wr_command(0x01);delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();	//清除显示
	wr_command(0x02);delay100us();
	wr_command(0x80);//delay100us();
	//wr_data(0xa1);wr_data(0xa0);
	for(i=0;i<=7;i++)
	{
		wr_data(company[i*2]);wr_data(company[i*2+1]);
	}
	for(i=0;i<=6;i++)
	{
		wr_data(0xa1);wr_data(0xa0);
	}
	wr_command(0x02);delay100us();
	wr_command(0x90);//delay100us();
	wr_data(0xa1);wr_data(0xa0);
	for(i=0;i<=6;i++)
	{
		wr_data(xinghao[i*2]);wr_data(xinghao[i*2+1]);
	}
	for(i=0;i<=6;i++)
	{
		wr_data(0xa1);wr_data(0xa0);
	}
	wr_command(0x0c);
	 keyfun(); 
	wr_command(0x01);delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();	//清除显示
	wr_command(0x02);delay100us();
}

void dis_gosleep()	//显示gosleep
{
	uchar i=0,j=0;
	uchar cg_add=0x90;
	 
	wr_command(0x36);	//扩充指令集
	wr_command(0x30);delay100us();	//指令集
	wr_command(0x30);delay100us();	//指令集
	wr_command(0x01);delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();	//清除显示
	wr_command(0x02);
	wr_command(cg_add);
	//wr_data(0xa1);wr_data(0xa0);
	for(i=0;i<=7;i++)
	{
		wr_data(gosleep[i*2]);wr_data(gosleep[i*2+1]);
	}
	for(i=0;i<=6;i++)
	{
		//cg_add |=0x60;
		wr_data(0xa1);wr_data(0xa0);
	}
	wr_command(0x0c);delay500ms();
	 keyfun(); 
	wr_command(0x01);
	delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();	//清除显示
//	 
}
void dis_wakeup()	//显示wakeup
{
	uchar i=0,j=0;
	uchar cg_add=0x90;
	 
	//wr_command(0x34);	//扩充指令集
	wr_command(0x30);delay100us();	//指令集
	wr_command(0x30);delay100us();	//指令集
	//wr_command(0x01);delay1ms();delay1ms();delay1ms();delay1ms();	//清除显示
	wr_command(0x02);
	wr_command(cg_add);
	wr_data(0xa1);wr_data(0xa0);
	for(i=0;i<=6;i++)
	{
		wr_data(ch_wakeup[i*2]);wr_data(ch_wakeup[i*2+1]);
	}
	for(i=0;i<=7;i++)
	{
		//cg_add |=0x60;
		wr_data(0xa1);wr_data(0xa0);
	}
	wr_command(0x0c);delay500ms();
	 keyfun(); 
	wr_command(0x01);delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();//清除显示
//	 
}

void dis_all()	//显示所有字模
{
	uchar i=0,j=0;
	uchar cg_add=0x90;
	 
	dis_interface(2);	///
	cg_add=0x0;
	wr_command(0x80);	//设定绘图显示off
	wr_command(0x30);delay100us();	//DataLength=8bit, CommandSet=Basic
	wr_command(0x01);delay100us();	//清除显示
	wr_command(0x02);	//地址归位
	wr_command(0x0c);	//整体显示ON
	wr_command(0x07);	//画面整体左移
	for(j=0;j<=0x47;j++)
	{
		for(i=0;i<=0x50;i++)
		{
		wr_data(0xb0+j);wr_data(0xa0+i);delay100ms();delay100ms();
		}
	}	
	 
}
void dis_frame()	//显示外框
{
	//uchar data_temPwr_instr,uchar data_temp2;
	uchar i,j;
	// 
	wr_command(0x30);delay100us();
	wr_command(0x34);delay100us();	//设定绘图显示off
	//wr_command(0x30);delay100us();wr_command(0x30);delay100us();
	wr_command(0x01);delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();//清除显示
	wr_command(0x02);delay100us();	//地址归位
	for(i=0;i<=31;i++)
	{
		wr_command(0x80+i);		wr_command(0x80);
		for(j=0;j<=15;j++)
		{
		wr_data(0);		wr_data(0);
		}
	}

	wr_command(0x80);		wr_command(0x80);
	for(i=0;i<=15;i++)
	{
		wr_data(0xff);		
		wr_data(0xff);
	}
	
	for(i=1;i<=30;i++)
	{
		wr_command(0x80+i);		wr_command(0x80);
		wr_data(0x80);		wr_data(0);
		for(j=0;j<=13;j++)
		{wr_data(0);		wr_data(0);
		}
		wr_command(0x80+i);		wr_command(0x80+7);
		wr_data(0);		wr_data(1);
		wr_command(0x80+i);		wr_command(0x80+8);
		wr_data(0x80);		wr_data(0);
		wr_command(0x80+i);		wr_command(0x80+15);
		wr_data(0);		wr_data(1);
	}

	wr_command(0x80+31);		wr_command(0x80);
	for(i=0;i<=15;i++)
	{
		wr_data(0xff);		
		wr_data(0xff);
	}
	wr_command(0x36);	//设定绘图显示ON
	// 		
}
//--------------------------------------------------------------------------------------
uchar light_temp=0x018;
uchar key2_t=0;
uchar key3_t=0;
void up_dis()
{
	if(key2)
	{
		key2=0;
		key2_t++;
		if(key2_t>=40)
		{
			key2_t=0;
			if(light_temp <= 0x1f)
			{
				light_temp +=1;
				wr_command(0x80|light_temp);
			}
		}
	}
}
void down_dis()
{
	if(key3)
	{
		key3=0;
		key3_t++;
		if(key3_t>=40)
		{
			key3_t=0;
			if(light_temp > 1)
			{				
				light_temp -=1;
				wr_command(0x80|light_temp);
			}
		}
	}
}
void keyfun()
{ 
	if(key1)	//如果按下，即key1=1，表示处于单步状态
	{
		for(;;)
		{		
			up_dis();down_dis();
			if(key4)	{key4=0;	break;}
			if(!key1)	{break;}
				//if(key2) break;
		}
	}
	 
	if(!key1)  delay500ms();
}
void sleep()
{
	dis_interface_num(0x00,0x00);
	wr_command(0x01);delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();	//清除显示
	wr_command(0x02);	//地址归位
	wr_command(0x34);	//扩充指令集
	wr_command(0x08);	//睡眠
}
void wakeup()
{
	wr_command(0x34);	//扩充指令集
	wr_command(0x0c);	//退出睡眠
}
//------------------------------------------------------------------------------------------------
//显示屏初始化
//------------------------------------------------------------------------------------------------
void flow_init(void)
{
	 delay1ms(); delay1ms(); 	// give our RES signal
	wr_command(0x30);delay100us();	//基本指令集
    wr_command(0x30);delay100us();	//指令集
    wr_command(0x30);delay100us();	//指令集
    wr_command(0x30);delay100us();	//指令集
	//wr_command(0x02);delay100us();	//地址归位
    wr_command(0x01);delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();delay1ms();	//清除显示
	wr_command(0x06);delay100us();	//右移
	//wr_command(0x07);delay100us();	//画面整体右移
	//wr_command(0x0c);delay100us();	//整体显示ON
	//wr_command(0x34);	//扩充指令集
	//wr_command(0x30);	//基本指令集
	_nop_();
}
//------------------------------------------------------------------------------------------------
//主程序
//------------------------------------------------------------------------------------------------
void test_LCD_(void)
{
	int *p = (int *)0xffe00000;
	
    *(p+4) = CS4_Var;  // R/W enable CS4
    *(p+9) = 0x4; // CS4
    flow_init();

	while(1)
	{	
		 
		dis_char();// 
		keyfun();// delay1s();
		dis_frame();delay500ms();// 		//display frame
		keyfun();// //delay1s();
		dis_interface(1);delay500ms();// 	//screen number:2,6,7,10,11,12,13
		keyfun();// delay1s();
		dis_interface(2);delay500ms();// 	//screen number:2,6,7,10,11,12,13
		keyfun();// //delay1s();
		dis_interface(3);delay500ms();// 	//screen number:2,6,7,10,11,12,13
		keyfun();// //delay1s();
		dis_interface(4);delay500ms();// 	//screen number:2,6,7,10,11,12,13
		keyfun();// //delay1s();
		dis_interface(5);delay500ms();// 	//screen number:2,6,7,10,11,12,13
		keyfun();// //delay1s();
		dis_interface(6);delay500ms();// 	//screen number:2,6,7,10,11,12,13
		keyfun();// //delay1s();
		dis_interface(7);delay500ms();// 	//screen number:2,6,7,10,11,12,13
		keyfun();// //delay1s();
		dis_interface(8);delay500ms();// 	//clear
		keyfun();// //delay1s();
		//dis_gosleep();
		//sleep();delay500ms();// 	//screen number:2,6,7,10,11,12,13
		//keyfun();// 
		//dis_wakeup();
		//delay500ms();wakeup();TR0 = 1; /* stop timer 0 */
		//wr_command(0x07);delay100us();	//右移
		dis_all();
	}
}