tft.c

AVR读取SD卡里FAT格式内容的源程序

///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////

// This project was designed by Jacky.L (深圳)
// The part of SD and FAT Copyright (c) 2006-2007 by Roland Riegel

///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////


#include <avr/io.h> 
#include "R61503b.h"                    
#include "uart.h"













void Delay_1ms(void)
	 {	
	  unsigned int i;
	  for(i=1;i<2000;i++);	
	 }
void Delay_Nms(unsigned int n)
	 {	
	  unsigned int i;
	  for(i = 0;i < n;i++)
	  	Delay_1ms();
	 }

void data_out(uchar  set_dbH,uchar set_dbL)
{  
    RS_(H);
	DATAPORTL=set_dbH;
	WR_(L);
	WR_(H);
	DATAPORTL=set_dbL;
	WR_(L);
	WR_(H);

}
//-----------------------------------------------------------
void com_out(uchar comH,uchar comL)
{

	
	RS_(H);
	
	DATAPORTL= comH;
	WR_(L);
	WR_(H);
	DATAPORTL= comL;
	WR_(L);
	WR_(H);

}
//-----------------------------------------------------------
void index_out(uchar index)
{	
   RS_(L);
    DATAPORTL= 0;
	WR_(L);
	WR_(H);
	DATAPORTL=index ;
	WR_(L);
	WR_(H);
}
//-----------------------------------------------------------
void control_out(uchar index,uchar set_dbH,uchar set_dbL)
{	index_out(index);
	com_out(set_dbH,set_dbL);
	//CtrlPort=0xff;
}
//-----------------------------------------------------------

//-----------------------------------------------------------
void R22_out(void)
{	index_out(0x22);
}
//-----------------------------------------------------------



void lcd_reset(void)
{
	DDRA=0xff;
	DDRC=0xff;
	
	RESET_(L);
	Delay_Nms(10);
	CS_(H);
	WR_(H);
	RESET_(H);
	Delay_Nms(10);
	
	CS_(L);
	
}

void init_lcd_T176()
{   
    lcd_reset();
    Delay_Nms(10);	
	//***************power set*****************
	control_out(Start_oscillation, 0x00,0x01);
	control_out(calibration_cotrol,0x00,0x01);
	control_out(Display_control_1, 0x02,0x31);
	control_out(Power_control_5, 0x00,0x01);
	control_out(Power_control_1, 0x14,0xb0);
	control_out(Power_control_2, 0x00,0x07);
	control_out(Power_control_3, 0x11,0x18);
	control_out(Power_control_4, 0x8a,0x10);
	control_out(Power_control_3, 0x11,0x38);
	
	//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%//

	control_out(Diver_output_control, 0x01,0x00);		
	control_out(Lcd_drive_waveform, 0x04,0x00);
	control_out(Entry_mode, 0x10,0x30);
	control_out(Resize_control, 0x00,0x00);		
	control_out(Display_control_2, 0x02,0x02);  //0202
	control_out(Display_control_3, 0x00,0x03);
	control_out(External_display_interface_1, 0x00,0x00);	
	control_out(External_display_interface_2, 0x00,0x00);	
	
	
	control_out(Ram_address_set_horizontal_add, 0x00,0x00);
	control_out(Ram_address_set_vertical_add, 0x00,0x00);
	control_out(Horizontal_ram_address_start_position, 0x00,0x00);
	control_out(Horizontal_ram_address_end_position, 0x00,175);
	control_out(Vertical_ram_address_start_position, 0x00,0x00);
	control_out(Vertical_ram_address_end_position, 0x00,219);
	control_out(Driver_output_control_2, 0x1b,0x00);
	control_out(Base_image_display_control, 0x00,0x01);
	control_out(Vertical_scollL_control, 0x00,0x00);
	control_out(Pannel_interface_control_1, 0x00,0x00);
	control_out(Pannel_interface_control_2, 0x00,0x00);
	control_out(Pannel_interface_control_3, 0x00,0x00);	
	control_out(Pannel_interface_control_4	, 0x00,0x00);
	control_out(Pannel_interface_control_5	, 0x00,0x00);
	control_out(Pannel_interface_control_6, 0x00,0x00);
	
	//************Gamma_control*******************
	
	control_out(Gamma_control_1,0x04,0x04);
	control_out(Gamma_control_2,0x04,0x04);
	control_out(Gamma_control_3,0x04,0x04);
	control_out(Gamma_control_4,0x04,0x04);
	control_out(Gamma_control_5,0x04,0x04);
	control_out(Gamma_control_6,0x04,0x04);
	control_out(Gamma_control_7,0x04,0x04);
	control_out(Gamma_control_8,0x04,0x04);
	control_out(Gamma_control_9,0x08,0x08);
	control_out(Gamma_control_10,0x08,0x08);
	control_out(Gamma_control_11,0x08,0x08);	
	
	
	//**************display on***************************
	control_out(Display_control_1, 0x02,0x01);
	control_out(Display_control_1, 0x02,0x21);
	control_out(Display_control_1, 0x02,0x33);
	//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%//	
	
}

void tft_ram_fill(uchar set_dbH,uchar set_dbL)
{
uchar i,j;
  // CS_(L);
 	control_out(Ram_address_set_horizontal_add, 0x00,0x00);
	control_out(Ram_address_set_vertical_add, 0x00,0x00);
	R22_out();
	for (j=0; j<220; j++)
	{	
		for (i=0; i<176; i++)	
	    	data_out(set_dbH,set_dbL);
	}
 //  CS_(H);   
}

void initShowChar()
{
	    control_out(Ram_address_set_vertical_add, 0x00,0);
	  control_out(Ram_address_set_horizontal_add, 0x00,0);
	  R22_out();
}

void tftShowChar()
{

}