240128.h

用avr调试t6369的240128并将采到的数据用于fft分析的程序

/* ----------------------------------------------------------
 * 基于T6963C芯片的240x128点阵液晶屏驱动程序
 *
 * 程序编写 John P. Beale May 3-4, 1997  [e-mail]
 * 程序改写 Nico Sachs Feb. 2006 for AVR-GCC
 * 程序改写 bg4uvr 2007年5月22日 for WINAVR 20070122
 *                 同时将注释全部改为GB2312,方便中文用户
 *                                         [e-mail]
 * 
 * 基本信息来源：
 *	1、Steve Lawther 的著作
 * 《Writing Software for T6963C based Graphic LCDs》, 1997年发布于
 *  http://ourworld.compuserve.com/homepages/steve_lawther/t6963c.pdf
 *  2、东芝公司 T6963C 的数据手册
 *  3、其他信息：
 *               http://www.citilink.com/~jsampson/lcdindex.htm
 *               http://www.cs.colostate.edu/~hirsch/LCD.html
 *               http://www.hantronix.com/
 * ----------------------------------------------------------
 */
#ifndef __io_h__
	#include <avr/io.h>
#endif
#ifndef __delay_h__
	#include <util/delay.h>
#endif
#ifndef __stdio_h__
	#include <stdio.h>
#endif
#ifndef __ina90_h__
	#include <compat/ina90.h>   //定义_NOP(),_CLI(),_SEI()
#endif

//以下头文件只在高级绘图函数中使用
/*
#ifndef __stdlib_h__
	#include <stdlib.h>     // rand()
#endif
#ifndef __string_h__
	#include <string.h>     // strlen()
#endif
#ifndef __math_h__
	#include <math.h>       // cos(),sin()
#endif
*/

//引脚定义
#define glcd_fs_PIN		0
#define glcd_wr_PIN		1
#define glcd_rd_PIN		6
#define glcd_ce_PIN		3
#define glcd_cd_PIN		4
#define glcd_rst_PIN	5
#define ctl_ddr			DDRC
#define ctl_port		PORTC
#define glcd_DATA_PORT 		PORTE
#define glcd_DATA_PIN		PINE
#define glcd_DATADIR		DDRE
/* ----- 定义液晶屏内部RAM  ------ */
#define glcd_T_BASE 0x00            // 文本区内存首地址
#define glcd_G_BASE 0x200            // 图形区内存首地址
#define glcd_BYTES_PER_ROW 30         // 定义屏幕文本宽度为40字节
//定义宏
#define glcd_fs_high() ctl_port  |=  _BV(glcd_fs_PIN)
#define glcd_fs_low()  ctl_port  &= ~_BV(glcd_fs_PIN)
#define glcd_wr_high() ctl_port  |=  _BV(glcd_wr_PIN)
#define glcd_wr_low()  ctl_port  &= ~_BV(glcd_wr_PIN)
#define glcd_rd_high() ctl_port  |=  _BV(glcd_rd_PIN)
#define glcd_rd_low()  ctl_port  &= ~_BV(glcd_rd_PIN)
#define glcd_ce_high() ctl_port  |=  _BV(glcd_ce_PIN)
#define glcd_ce_low()  ctl_port  &= ~_BV(glcd_ce_PIN)
#define glcd_cd_high() ctl_port  |=  _BV(glcd_cd_PIN)
#define glcd_cd_low()  ctl_port  &= ~_BV(glcd_cd_PIN)
#define glcd_rst_high() ctl_port  |=  _BV(glcd_rst_PIN)
#define glcd_rst_low()  ctl_port  &= ~_BV(glcd_rst_PIN)
#define glcd_SET_DATADIR_OUT()	(glcd_DATADIR = 0xff)
#define glcd_SET_DATADIR_IN()	(glcd_DATADIR = 0x00)
//声明函数
void glcd_dput(unsigned char byte); 				// 写数据
//unsigned char glcd_dget(void);    				// 读数据
unsigned char glcd_sget(void);  					// 读状态
void glcd_cput(unsigned char byte);				// 写命令
void glcd_setup(void);			 					// 初始化控制线的电位
void glcd_init(void);     			 				// 初始化显存和显示方式

void glcd_xy(unsigned char x, unsigned char y); 			// 设置显示坐标（文本模式）
void glcd_clear_text(void);  		 				// 文本清屏
//void glcd_print(unsigned char x,unsigned char y,const char *string); // 显示字符串ROM
void glcd_print_ram(unsigned char x,unsigned char y,char *string);  	// 显示字符串RAM
void glcd_set_address(unsigned int addr);			//设置地址

void glcd_clear_graph(void);    					// 图形清屏
void glcd_pixel(unsigned char column, unsigned char row, char show);	//画、清点
void glcd_show(prog_char * s,int start_line,int how_many_line);				//指定数据组图
void glcd_line(int x1, int y1, int x2, int y2, unsigned char show);	//画直线
void glcd_circle(int x, int y, int radius, unsigned char show);		//画圆
void glcd_circle_half(int x, int y, int radius, unsigned char show);//画半圆
void glcd_box(int x1, int y1, int x2, int y2, unsigned char show);	//画矩形
//画线段
void glcd_degree_line(int x, int y, int degree, int inner_radius, int outer_radius, unsigned char show);
//画线段包围线
void glcd_degree_line_bold(int x, int y, int degree, int inner_radius, int outer_radius, unsigned char show);
void glcd_fill(int x1, int y1, int x2, int y2, unsigned char persent,char first);	//画进度条

// 绘图坐标限制
#define glcd_XMAX 240        
#define glcd_XMIN 0
#define glcd_YMAX 128
#define glcd_YMIN 0

//读取状态字节
unsigned char glcd_sget(void)  
{
	unsigned char glcd_status;
	glcd_SET_DATADIR_IN();	
	glcd_cd_high();		// C/D高，读状态字节
	glcd_ce_low();		// CE低，开片选信号
	glcd_rd_low();		// RD低，打开读信号
	_NOP();
	_NOP();
	glcd_status = glcd_DATA_PIN;      // 读取状态字节
	glcd_rd_high();         // 关闭读信号
	glcd_ce_high();         // CE高，关闭片选
	return(glcd_status);
}

// 写数据
void glcd_dput(unsigned char byte) 
{
	do {} while ((0x03 & glcd_sget()) != 0x03); // 等待屏幕可用
	glcd_SET_DATADIR_OUT(); // 数据口转换为输出口
	glcd_DATA_PORT = byte;          // 写数据到数据口
	glcd_cd_low();
	glcd_ce_low();                 	// 低电平脉冲大于80ns
	glcd_wr_low();         			// 打开写数据方式
	_NOP();
	_NOP();
	glcd_wr_high();                 // WR拉高
	glcd_ce_high();                 // CE拉高
}

// 写命令
void glcd_cput(unsigned char byte) 
{
	do {} while ((0x03 & glcd_sget()) != 0x03); // 等待屏幕可用
	glcd_SET_DATADIR_OUT(); // 数据口转换为输出口
	glcd_DATA_PORT = byte;  // 送数据到数据口
	glcd_cd_high();         // C/D置高
	glcd_ce_low();         	// CE置低，要求大于 80ns
	glcd_wr_low();         	// WR置低
	_NOP();
	_NOP();
	glcd_wr_high();         // WR轩高
	glcd_ce_high();         // CE置高
}

// 读数据
/*
unsigned char glcd_dget(void)      
{
	unsigned char glcd_byte;
	do {} while ((0x03 & glcd_sget()) != 0x03); // 等待屏幕可用
	glcd_SET_DATADIR_IN(); // 设置数据口为输入口
	glcd_cd_low();   // C/D置低
	glcd_rd_low();   // 读置低
	glcd_ce_low();   // CE置低
	_NOP();
	_NOP();
	glcd_byte = glcd_DATA_PIN;  // 读取数据
	glcd_rd_high();   // RD置高
	glcd_ce_high();   // CE置高
	return(glcd_byte);
}
*/

//清全部32KB内存
void glcd_clear_ram(void)    
{
	int i;
	glcd_set_address(0x0000);
	for (i=0;i<0x8000;i++)
	{
		glcd_dput(0); 		// 写入数据0x00
		glcd_cput(0xc0);    // 0xc0为数据写入、增加指针 命令
	}
}

//文本清屏
void glcd_clear_text(void)
{
	int i;   
	glcd_set_address(glcd_T_BASE);     // 设置地址为文本区基地址
	for (i=0;i<480;i++)
	{
		glcd_dput(0); 		//写入数据
		glcd_cput(0xc0);	//0xc0为写入数据，增加指针命令
	}
}

// 图形清屏
void glcd_clear_graph(void)    
{
	int i;
	glcd_set_address(glcd_G_BASE);     // 设置地址为图形区基地址
	for (i=0;i<3840;i++)	// 必须为3840
	{
		glcd_dput(0); 		// 写入数据0x00
		glcd_cput(0xc0);    // 0xc0为数据写入、增加指针 命令
	}
}

// 文本方式设置显示坐标
void glcd_xy(unsigned char x, unsigned char y)  
{
	int addr;
	addr = glcd_T_BASE + (y * glcd_BYTES_PER_ROW) + x;
	glcd_set_address(addr);   // 设置显示地址
}

//设置地址
void glcd_set_address(unsigned int addr){
	glcd_dput((unsigned char)(addr));
	glcd_dput(addr>>8);
	glcd_cput(0x24);		//0x24为设定地址命令
}

// 显示字符串RAM
void glcd_print_ram(unsigned char x,unsigned char y, char *string)  
{
	unsigned char i,c;
	glcd_xy(x,y);
	for (i=0;string[i]!=0;i++) {
		c = string[i] - 0x20;     // 转换ASCII码为屏幕内码
		glcd_dput(c);
		glcd_cput(0xc0);          // 写字符，增加内部RAM指针
	}
}

// 显示字符串ROM
void glcd_print(unsigned char x,unsigned char y, prog_char *string)  
{
	unsigned char i,c;
	glcd_xy(x,y);
	for (i=0;(pgm_read_byte(&string[i]))!=0;i++) {
		c = pgm_read_byte(&string[i]) - 0x20;     // 转换ASCII码为屏幕内码
		glcd_dput(c);
		glcd_cput(0xc0);          // 写字符，增加内部RAM指针
	}
}


//画、清点函数
//column为水平点数，row为垂直点数
//show=1画点，show=0清点
void glcd_pixel(unsigned char column, unsigned char row, char show)
{
	int addr;       // memory address of byte containing pixel to write
	if( (column>=glcd_XMAX) || (row>=glcd_YMAX) )return;
	addr =  glcd_G_BASE + (row*glcd_BYTES_PER_ROW)  + (column/8);
	glcd_set_address(addr);   // set LCD addr. pointer
	if(show)
	glcd_cput(0xf8 | (7-column%8));  // 0xf8为画点命令
	else
	glcd_cput(0xf0 | (7-column%8));  // 0xf0为清点命令
}

//以指定的数据进行画点
void glcd_show(prog_char * s,int start_line,int how_many_line){
	int addr,i;
	addr =  glcd_G_BASE +start_line*30;
	glcd_set_address(addr);
	glcd_cput(0xB0);			//自动写模式
	for(i=0;i<how_many_line*30;i++){
		glcd_dput(pgm_read_byte(&s[i])); 
	}
	glcd_cput(0xB2);
}

/***********************************************************************
画一条x1,y1到x2,y2的直线
(show=1画点，show=0清点)
***********************************************************************/
void glcd_line(int x1, int y1, int x2, int y2, unsigned char show) 
{
	int dy ;
	int dx ;
	int stepx, stepy, fraction;
	dy = y2 - y1;
	dx = x2 - x1;
	if (dy < 0) 
	{
		dy = -dy;
		stepy = -1;
	}
	else 
	{
		stepy = 1;
	}
	if (dx < 0)
	{
		dx = -dx;
		stepx = -1;
	}
	else
	{
		stepx = 1;
	}
	dy <<= 1;
	dx <<= 1;
	glcd_pixel(x1,y1,show);
	if (dx > dy)
	{
		fraction = dy - (dx >> 1); 
		while (x1 != x2)
		{
			if (fraction >= 0)
			{
				y1 += stepy;
				fraction -= dx;
			}
			x1 += stepx;
			fraction += dy;  
			glcd_pixel(x1,y1,show);
		}
	}
	else
	{
		fraction = dx - (dy >> 1);
		while (y1 != y2)
		{
			if (fraction >= 0)
			{
				x1 += stepx;
				fraction -= dy;
			}
			y1 += stepy;
			fraction += dx;
			glcd_pixel(x1,y1,show);
		}
	}
}

/***********************************************************************
以x,y为圆心，以radius为半径画贺
(show=1画点，show=0清点)
***********************************************************************/
void glcd_circle(int x, int y, int radius, unsigned char show)
{
	int xc = 0;
	int yc ;
	int p ;
	yc=radius;
	p = 3 - (radius<<1);
	while (xc <= yc)  
	{
		glcd_pixel(x + xc, y + yc, show);
		glcd_pixel(x + xc, y - yc, show);
		glcd_pixel(x - xc, y + yc, show);
		glcd_pixel(x - xc, y - yc, show);
		glcd_pixel(x + yc, y + xc, show);
		glcd_pixel(x + yc, y - xc, show);
		glcd_pixel(x - yc, y + xc, show);
		glcd_pixel(x - yc, y - xc, show);
		if (p < 0)
		p += (xc++ << 2) + 6;
		else
		p += ((xc++ - yc--)<<2) + 10;
	}
}

//画半圆 
void glcd_circle_half(int x, int y, int radius, unsigned char show)
{
	int xc = 0;
	int yc ;
	int p ;
	yc=radius;
	p = 3 - (radius<<1);
	while (xc <= yc)  
	{
		//    glcd_pixel(x + xc, y + yc, show);
		glcd_pixel(x + xc, y - yc, show);
		//    glcd_pixel(x - xc, y + yc, show);
		glcd_pixel(x - xc, y - yc, show);
		//    glcd_pixel(x + yc, y + xc, show);
		glcd_pixel(x + yc, y - xc, show);
		//    glcd_pixel(x - yc, y + xc, show);
		glcd_pixel(x - yc, y - xc, show);
		if (p < 0)
		p += (xc++ << 2) + 6;
		else
		p += ((xc++ - yc--)<<2) + 10;
	}
}

//画矩形
void glcd_box(int x1, int y1, int x2, int y2, unsigned char show)
{
	glcd_line(x1,y1,x2,y1,show);  // up
	glcd_line(x1,y2,x2,y2,show);  // down
	glcd_line(x2,y1,x2,y2,show);  // right
	glcd_line(x1,y1,x1,y2,show);  // left
}

//***********************************************************************
//以x,y点为原点，以degree为角度，画一条从内径到外径之间的线段
//(show=1画点，show=0清点)
//***********************************************************************
/*
void glcd_degree_line(int x, int y, int degree, int inner_radius, int outer_radius, unsigned char show)
{
  int fx,fy,tx,ty;

  fx = x + (inner_radius * sin(degree * 3.14 / 180));    //  ???????????????
  fy = y - (inner_radius * cos(degree * 3.14 / 180));
  tx = x + (outer_radius * sin(degree * 3.14 / 180));
  ty = y - (outer_radius * cos(degree * 3.14 / 180));
  glcd_line(fx,fy,tx,ty,show);
}

//画上函数线段的包括线
void glcd_degree_line_bold(int x, int y, int degree, int inner_radius, int outer_radius, unsigned char show)
{
  int fx,fy,tx,ty;

  fx = x + (inner_radius * sin(degree * 3.14 / 180));    //  ???????????????
  fy = y - (inner_radius * cos(degree * 3.14 / 180));
  tx = x + (outer_radius * sin(degree * 3.14 / 180));
  ty = y - (outer_radius * cos(degree * 3.14 / 180));
  glcd_line(fx,fy,tx,ty,show);
  glcd_line(fx+1,fy+1,tx+1,ty+1,show);
  glcd_line(fx-1,fy-1,tx-1,ty-1,show);
}
*/

//画进度条函数

void glcd_fill(int x1, int y1, int x2, int y2, unsigned char persent,char first)
{
	char M,horizon_line,horizon_line2,i,str1[10];
	if(persent>100)return;
	if(!first){
		glcd_line(x1,y2,x2,y2,1);  // down
		glcd_line(x2,y1,x2,y2,1);  // right
		glcd_line(x1,y1,x1,y2,1);  // left
		first=1;
	}
	M=100/abs(y2-y1);
	
	horizon_line=persent/M;
	for(i=0;i<horizon_line;i++)
	glcd_line(x1+2,y2-2-i,x2-2,y2-2-i,1);
	
	horizon_line2=100/M;
	for(i=horizon_line;i<horizon_line2;i++)
	glcd_line(x1+2,y2-2-i,x2-2,y2-2-i,0);
	
	sprintf(str1,"%02d%% ",persent);
	glcd_print_ram( (x2+x1)/16-1 , (y2+y1)/16,str1);
}


// 初始化端口
void glcd_setup()  
{
	ctl_ddr=_BV(glcd_wr_PIN)|_BV(glcd_rd_PIN)|_BV(glcd_cd_PIN)|_BV(glcd_rst_PIN)|_BV(glcd_fs_PIN)|_BV(glcd_ce_PIN);
	ctl_port=_BV(glcd_wr_PIN)|_BV(glcd_rd_PIN)|_BV(glcd_cd_PIN)|_BV(glcd_ce_PIN);//|_BV(glcd_fs_PIN);
	_delay_ms(5);
	glcd_rst_high();
}

// 初始化显存和显示模式
void glcd_init()  
{
	glcd_dput((unsigned char)(glcd_T_BASE));
	glcd_dput(glcd_T_BASE>>8);
	glcd_cput(0x40);       // 0x40为设置文本存储区的基地址命令
	
	glcd_dput(glcd_BYTES_PER_ROW);
	glcd_dput(0);
	glcd_cput(0x41);  		// 0x41为设置文本模式每行多少个字符数命令

	glcd_dput((unsigned char)(glcd_G_BASE));
	glcd_dput(glcd_G_BASE>>8);
	glcd_cput(0x42);       	// 0x42为设置图形存储区基地址命令
	
	glcd_dput(glcd_BYTES_PER_ROW);
	glcd_dput(0);
	glcd_cput(0x43);  		// 0x43为设置图形模式每行有多少个像素 命令
	
	glcd_cput(0x81);  		// 模式设置: 异或 使用内部西文字库
	
	glcd_cput(0xa7);  		// 光标高8线
	
	glcd_dput(0x00);
	glcd_dput(0x00);
	glcd_cput(0x21);  		// 设置光标坐标

	glcd_cput(0x9c);		// 显示设置为：图形开、文本开
	// 注意：如果设置显示光标，需要设定光标的位置
}