main.c

Embedded Program Atmega128 + 186TJ LCD Driver Source

//=========================================================================
//
//  葛 胆 疙 : 186TJ1
//  荤    剧 : 1.86",TFT-LCD,128x160,CPU I/F,16Bit
//
//  荤侩 CPU : ATmega128-16M,ATmega128L-8M		
//  哪颇老矾 : AVRStudio4.13
//  累 己 磊 : Jini's LCD Cafe
//  累己滚怜 : V0.0
//  累己老磊 : 2008-03-30
//  荤侩器飘 : RESET/:PA0,CS/:PA1,RS:PA2,WR/:PA3,RD/:PA4,IF1:PA5
//             DB0~DB7:PC0~PC7,DB8~DB15:PF0~PF7
//
//=========================================================================

//-------------------------------------------------------------------------
//
//  家胶颇老 : main.c
//  扁    瓷 : LCD 扁夯 悼累 犬牢
// 			   Red ℃ Green ℃ Blue ℃ White ℃ Black ℃ 啊肺8Gray
//		 	   ℃ 技肺8Gray ℃ 啊肺8Color ℃ 技肺8Color ℃ Image
//
//-------------------------------------------------------------------------


#include <avr/io.h>
#include <avr/pgmspace.h>

#include "image.h"

//-------------------------------------------------------------------------

void Initial_Port(void);	        		    	//Initial AVR Port 
void Initial_Lcd(void);	        		        	//Initial LCD 

void Write_Cmd(int Cmd_High, int Cmd_Low );			//Write Command 
void Write_Data(int Data_High, int Data_Low );  	//Write Data 

void Set_Entry_Hor(void);                      		//Entry Mode Horizontal Set
void Set_Entry_Ver(void);                      		//Entry Mode Vertical Set
void Set_Write_Gram(void);                      	//Data Write to GRAM Set

void Disp_Full_Color(int Full_High,int Full_Low);	//Display Full Color 
void Disp_8Gray_Hor(void);							//Display 8-Gray Horizontal
void Disp_8Gray_Ver(void);							//Display 8-Gray Vertical
void Disp_8Color_Hor(void);                 		//Display 8-Color Horizontal
void Disp_8Color_Ver(void);                 		//Display 8-Color Vertical
void Disp_Image(void);           	              	//Display Image 

//-------------------------------------------------------------------------

#define BV(bit)			(1<<(bit))					//Bit Define
#define sbi(reg,bit)	reg |= (BV(bit))			
#define cbi(reg,bit)	reg &= ~(BV(bit))			

#define RESET_H         sbi(PORTA,0)            	//RESET_H = PA0
#define RESET_L         cbi(PORTA,0)            	//RESET_L = PA0
#define CS_H            sbi(PORTA,1)				//CS_H = PA1
#define CS_L            cbi(PORTA,1)				//CS_L = PA1
#define RS_H	        sbi(PORTA,2)				//RS_H = PA2
#define RS_L            cbi(PORTA,2)				//RS_L = PA2
#define WR_H            sbi(PORTA,3)				//WR_H = PA3
#define WR_L            cbi(PORTA,3)				//WR_L = PA3
#define RD_H            sbi(PORTA,4)				//RD_H = PA4
#define RD_L            cbi(PORTA,4)				//RD_L = PA4
#define IF1_H           sbi(PORTA,5)				//IF1_H = PA5
#define IF1_L           cbi(PORTA,5)				//IF1_L = PA5

//-------------------------------------------------------------------------

void Delay_us(unsigned char time_us)				//Delay Set
{ register unsigned char i;
  for(i=0; i<time_us; i++)							//4 cycles
	{ asm volatile("PUSH R0");						//2 cycles
	  asm volatile("POP R0");						//2 cycles
	  asm volatile("PUSH R0");						//2 cycles
	  asm volatile("POP R0");						//2 cycles
	  asm volatile("PUSH R0");						//2 cycles
	  asm volatile("POP R0");						//2 cycles = 16Mhz
	}
}

void Delay_ms(unsigned int time_ms)					//250us*4 = 1ms
{ register unsigned int i;
  for(i=0; i<time_ms; i++)
	{ Delay_us(250);
	  Delay_us(250);
	  Delay_us(250);
	  Delay_us(250);
	}
}

//-------------------------------------------------------------------------

int main(void)
{
	Initial_Port();          						//Initial AVR Port 

	PORTA = RD_H;								 	//If not use Read function, Must be High.
	PORTA = IF1_L;								    //Interface Select Mode (16Bit=Low,9Bit=High)

	PORTA = RESET_L;								//Reset Operation
	Delay_ms(1);
	PORTA = RESET_H;   								 
	Delay_ms(15);

	Initial_Lcd();									//Initial LCD 

	while(1)
	{
		Disp_Full_Color(0xf8,0x00);  				//Display Full Color Red   
		Delay_ms(500);								//Display Speed Control
        Disp_Full_Color(0x07,0xe0);  				//Display Full Color Green  
		Delay_ms(500);								//Display Speed Control
		Disp_Full_Color(0x00,0x1f);  				//Display Full Color Blue  
		Delay_ms(500);								//Display Speed Control
		Disp_Full_Color(0xff,0xff);  				//Display Full Color White 
		Delay_ms(500);								//Display Speed Control
        Disp_Full_Color(0x00,0x00);  				//Display Full Color Black 
		Delay_ms(500);								//Display Speed Control
		Disp_8Gray_Hor();							//Display 8-Gray Horizontal
		Delay_ms(500);								//Display Speed Control
        Disp_8Gray_Ver();							//Display 8-Gray Vertical
		Delay_ms(500);								//Display Speed Control
        Disp_8Color_Hor();							//Display 8-Color Horizontal
		Delay_ms(500);								//Display Speed Control
		Disp_8Color_Ver();							//Display 8-Color Vertical
		Delay_ms(500);								//Display Speed Control
		Disp_Image(); 								//Display Image 
		Delay_ms(500);								//Display Speed Control
	}
}

//-------------------------------------------------------------------------

void Initial_Port(void)								//Initial AVR Port 
{
	DDRA  = 0xFF;            						//Set PORTA - All Output
	PORTA = 0xFF;									//Set PORTA - All High
	DDRC  = 0xFF;            						//Set PORTC - All Output
	PORTC = 0xFF;									//Set PORTC - All High 
	DDRF  = 0xFF;            						//Set PORTF - All Output 
	PORTF = 0xFF;									//Set PORTF - All High 
}

//-------------------------------------------------------------------------

void Initial_Lcd(void)								//Initial LCD 
{
//Oscillator Start
	Write_Cmd(0x00,0x00);Write_Data(0x00,0x01);		
	Delay_ms(15);
	Write_Cmd(0x00,0x07);Write_Data(0x00,0x00);
													
//Power Supply Setting (Before)
	Write_Cmd(0x00,0x11);Write_Data(0x00,0x01);		
	Write_Cmd(0x00,0x12);Write_Data(0x00,0x0A);
	Write_Cmd(0x00,0x13);Write_Data(0x13,0x1F);
	Write_Cmd(0x00,0x10);Write_Data(0x00,0x04);
										
//Power Supply Setting (1)
	Write_Cmd(0x00,0x10);Write_Data(0x00,0x64); 	
	Write_Cmd(0x00,0x11);Write_Data(0x00,0x03);     
	Write_Cmd(0x00,0x12);Write_Data(0x00,0x1A);		
	Delay_ms(40);
													
//Power Supply Setting (2)
	Write_Cmd(0x00,0x13);Write_Data(0x32,0x19);			
	Write_Cmd(0x00,0x10);Write_Data(0x05,0x60);		
	Write_Cmd(0x00,0x15);Write_Data(0x00,0x02);
													
//Display Control Setting (1)
	Write_Cmd(0x00,0x01);Write_Data(0x01,0x13); 	
	Write_Cmd(0x00,0x02);Write_Data(0x07,0x00);
	Write_Cmd(0x00,0x03);Write_Data(0x10,0x30); 
	Write_Cmd(0x00,0x08);Write_Data(0x08,0x08);
	Write_Cmd(0x00,0x09);Write_Data(0x00,0x00);
	Write_Cmd(0x00,0x0B);Write_Data(0x00,0x0B);
	Write_Cmd(0x00,0x0C);Write_Data(0x00,0x00); 
	Write_Cmd(0x00,0x0D);Write_Data(0x32,0x29);
	Write_Cmd(0x00,0x0E);Write_Data(0x00,0x00);
	Write_Cmd(0x00,0x21);Write_Data(0x00,0x00); 
	Write_Cmd(0x00,0x22);
	Write_Cmd(0x00,0x23);Write_Data(0x00,0x00); 
	Write_Cmd(0x00,0x24);Write_Data(0x00,0x00);
														
//Gamma Setting
	Write_Cmd(0x00,0x30);Write_Data(0x00,0x02);		
	Write_Cmd(0x00,0x31);Write_Data(0x02,0x04);
	Write_Cmd(0x00,0x32);Write_Data(0x05,0x04);
	Write_Cmd(0x00,0x33);Write_Data(0x01,0x05);
	Write_Cmd(0x00,0x34);Write_Data(0x00,0x00);
	Write_Cmd(0x00,0x35);Write_Data(0x00,0x03);
	Write_Cmd(0x00,0x36);Write_Data(0x00,0x04);
	Write_Cmd(0x00,0x37);Write_Data(0x07,0x01);
	Write_Cmd(0x00,0x38);Write_Data(0x00,0x09);
	Write_Cmd(0x00,0x39);Write_Data(0x00,0x09);
													
//Display Control Setting (2)
	Write_Cmd(0x00,0x40);Write_Data(0x00,0x00); 	
	Write_Cmd(0x00,0x41);Write_Data(0x00,0x00);
	Write_Cmd(0x00,0x42);Write_Data(0xA1,0x00); 
	Write_Cmd(0x00,0x43);Write_Data(0xFF,0x00);
	Write_Cmd(0x00,0x44);Write_Data(0x7F,0x00);
	Write_Cmd(0x00,0x45);Write_Data(0x9F,0x00);
													
//Display On Sequence 
	Write_Cmd(0x00,0x10);Write_Data(0x65,0x60);		   
	Write_Cmd(0x00,0x07);Write_Data(0x00,0x05);
	Delay_ms(40);
	Write_Cmd(0x00,0x07);Write_Data(0x00,0x25);
	Write_Cmd(0x00,0x07);Write_Data(0x00,0x27);
	Delay_ms(40);
	Write_Cmd(0x00,0x07);Write_Data(0x00,0x37);
}

//-------------------------------------------------------------------------

void Set_Entry_Hor(void)							//Entry Mode Horizontal Set
{
	Write_Cmd(0x00,0x03);Write_Data(0x10,0x30);							
}

//-------------------------------------------------------------------------

void Set_Entry_Ver(void)							//Entry Mode Vertical Set
{
	Write_Cmd(0x00,0x03);Write_Data(0x10,0x38);							
}

//-------------------------------------------------------------------------

void Set_Write_Gram(void)							//Data Write to GRAM Set
{
	Write_Cmd(0x00,0x21);Write_Data(0x00,0x00);		
	Write_Cmd(0x00,0x22);							
}

//-------------------------------------------------------------------------

void Write_Cmd(int Cmd_High, int Cmd_Low )			//Write Command 
{
	PORTA = CS_L;
	PORTA = RS_L;           
	PORTF = Cmd_High;        
	PORTC = Cmd_Low;         
	PORTA = WR_L;           
	PORTA = WR_H;
}

//-------------------------------------------------------------------------

void Write_Data(int Data_High, int Data_Low )		//Write Data 
{
    PORTA = CS_L;
	PORTA = RS_H;           
	PORTF = Data_High;        
	PORTC = Data_Low;         
	PORTA = WR_L;           
	PORTA = WR_H;
}

//-------------------------------------------------------------------------

void Disp_Full_Color(int Full_High,int Full_Low)	//Full Color Display Data
{
	Set_Entry_Hor();
	Set_Write_Gram();

	int i,j;

	for(i=0; i<128; i++)
		for(j=0; j<160; j++)
	{
		Write_Data(Full_High, Full_Low);
    }
}

//-------------------------------------------------------------------------

int Gray[]=											//8-Gray Display Data
{                              
	0xffff,
	0xd6ba,
	0xb5b6,
	0x94b2,
	0x738e,
	0x528a,
	0x3186,
	0x1082,
};

//-------------------------------------------------------------------------

void Disp_8Gray_Hor(void)							//Display 8-Gray Horizontal
{
	Set_Entry_Hor();
	Set_Write_Gram();
	int i,j,k,temp,temp1;

		for(i=0; i<8; i++)
		{	
    		temp = (Gray[i] & 0xff00)>>8;
            temp1= Gray[i] & 0xff;
				for(j=0; j<128; j++)
				{
                	for(k=0; k<20; k++)
					{
                    	Write_Data(temp, temp1);
                    }
				}
    	}
}

//-------------------------------------------------------------------------

void Disp_8Gray_Ver(void)							//Display 8-Gray Vertical
{
	Set_Entry_Ver();
	Set_Write_Gram();

	int i,j,k,temp,temp1;

        for(i=0;i<8;i++)
		{
        	temp = (Gray[i] & 0xff00)>>8;
            temp1= Gray[i] & 0xff;
                 for(j=0; j<160; j++)
				 {
                        for(k=0; k<16; k++)
					{
                    	Write_Data(temp, temp1);
                    }
	             }
        }
}

//-------------------------------------------------------------------------

int color[]=										//8-Color Display Data
{                                   
	0xffff,                                         
	0xf800,
	0x07e0,
	0x001f,
	0xad55,
	0xffe0,
	0x07ff,
	0xf81f
};

//-------------------------------------------------------------------------

void Disp_8Color_Hor(void)							//Display 8-Color Horizontal
{
	Set_Entry_Hor();
	Set_Write_Gram();

	int i,j,k,temp,temp1;

        for(i=0;i<8;i++)
		{
			temp = (color[i] & 0xff00)>>8;
			temp1= color[i] & 0xff;
                 for(j=0; j<128; j++)
				 {
                 	for(k=0; k<20; k++)
					{
                    	Write_Data(temp, temp1);
                    }
                 }
        }
}

//-------------------------------------------------------------------------

void Disp_8Color_Ver(void)							//Display 8-Gray Horizontal
{
	Set_Entry_Ver();
	Set_Write_Gram();

	int i,j,k,temp,temp1;

        for(i=0;i<8;i++)
		{
			temp = (color[i] & 0xff00)>>8;
            temp1= color[i] & 0xff;
                 for(j=0; j<160; j++)
				 {
            	 	for(k=0; k<16; k++)
					{
                    	Write_Data(temp, temp1);
                    }
                 }
        }
}

//-------------------------------------------------------------------------

void Disp_Image(void)								//Image Display
{
	{
		Set_Entry_Hor();
		Set_Write_Gram();

		int i,j,temp,temp1,k=0;

        	for(i=0; i<128; i++)
			{
				for(j=0; j<80; j++)
				{
                	temp = (pgm_read_word(&ImageUp[k]) & 0xff00)>>8;
                	temp1 = pgm_read_word(&ImageUp[k]) & 0xff;
                	Write_Data(temp, temp1);
                	k++;
            	}
			}
	}

	{	
		int i,j,temp,temp1,k=0;

			for(i=0; i<128; i++)
			{
	        	for(j=0; j<80; j++)
				{
        	        temp = (pgm_read_word(&ImageDown[k]) & 0xff00)>>8;
            	    temp1 = pgm_read_word(&ImageDown[k]) & 0xff;
                	Write_Data(temp, temp1);
                	k++;
	        	}
    	    }
	}
}