test.c

pc键盘控制好好123456789 单片机控制啊

#include <absacc.h>
#include <reg51.h>
#include <string.h>
#include <intrins.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <intrins.h>

#include "ascii16.h"
#include "t6963c.h"

#define LCD_CURSOR_POSITION 	0x21
#define LCD_CGRAM_POSITION		0x22
#define LCD_ADDRESS_POINTER		0x24

#define LCD_TXT_HOME_ADDRESS	0x40
#define LCD_TXT_AREA 			0x41
#define LCD_GRAPHIC_ADDRESS	0x42
#define LCD_GRAPHIC_AREA		0x43

#define LCD_MOD_AND				0x83
#define LCD_MOD_OR				0X80
#define LCD_DISPLAY_SWITCH		0x9F /* Graphic on, Text on, Cursor on, Blink on */
#define LCD_CURSOR_SHAPE		0xA0

#define LCD_AUTO_WRITE			0xB0
#define LCD_ATUO_READ			0xB1
#define LCD_AUTO_OVER			0xB2

#define LCD_WR_ADP_INCREMENT	0xC0
#define LCD_RD_ADP_INCREMENT	0xC1
#define LCD_WR_ADP_DECREMENT	0xC2
#define LCD_RD_ADP_DECREMENT	0xC3
#define LCD_WR_ADP_NO_CHANGE	0xC4
#define LCD_RD_ADP_NO_CHANGE	0xC5

#define LCD_SCREEN_READ			0xE0
#define LCD_SCREEN_COPY			0xE8

#define GRAPHIC_HIGH_ADDRESS	0x3000

#define MOVE_UP_SCREEN 			0x0
#define MOVE_DOWN_SCREEN 		0x1

#define LCD_COMMAND 			1
#define LCD_DATA    				0

#define SET_POINT 				1
#define CLEAR_POINT 				0

#define LCD_DAT_ADDR  			0xC000
#define LCD_COM_ADDR  			0xC001


unsigned int graph_add;

sbit A_16 = P1^4;
sbit A_17 = P1^5;
sbit A_18 = P1^6;
sbit lcd_reset = P1^0;
sbit A_19 = P1^7;

void rd_status (uchar bit_number)
{
	bit_number = bit_number;
	watch_dog = ~watch_dog;

/*
	uchar data c;
	uchar cnt = 0;

	while (cnt < 20) {
		watch_dog = ~watch_dog;
		c = XBYTE[LCD_COM_ADDR];
		if ((1 == bit_number) && (3 == (c & 3)))
			return ;
		if ((3 == bit_number) && (c & 8))
			return ;
		
		cnt++;
	}

	return ;

*/
}

void wr_data(bit com_or_da, uchar data_or_command)
{	
	if (com_or_da == LCD_COMMAND) {
		XBYTE[LCD_COM_ADDR]=data_or_command;
	} else if (com_or_da == LCD_DATA) {
		XBYTE[LCD_DAT_ADDR]=data_or_command;
	}

	return ;
}

void double_parameter (uchar first, uchar second, uchar command)
{
	rd_status(1);
	wr_data(LCD_DATA, first);

	rd_status(1);
	wr_data(LCD_DATA, second);
	
	rd_status(1);
	wr_data(LCD_COMMAND, command);

	return ;
}	



void single_parameter(uchar first, uchar command)
{
	rd_status(1);
	wr_data(LCD_DATA, first);

	rd_status(1);
	wr_data(LCD_COMMAND, command);

	return ;
}



void no_parameter(uchar command)
{
	rd_status(1);
	wr_data(LCD_COMMAND, command);

	return ;
}

void clear_LCD (void)
{
	uint i;

	double_parameter(0x00, 0x00,LCD_ADDRESS_POINTER);
	no_parameter(LCD_AUTO_WRITE);

	for (i = 0; i < 0x5000; i++)
	{
		rd_status(3);
		wr_data(LCD_DATA, 0x00);
	}

	no_parameter(LCD_AUTO_OVER);

	return ;
}


/*
//内置ASCII
void display_char(uchar p, uchar y, uchar x)
{
	uint c;
	c = y * 0x1e + x;
	double_parameter(c, c >> 8, LCD_ADDRESS_POINTER);
	single_parameter(p, LCD_WR_ADP_INCREMENT);
}
*/

void cursor(uchar o_y, uchar o_x)
{
	double_parameter(o_x, o_y, LCD_CURSOR_POSITION);
}

void disable_cursor(void)
{
	cursor(8, 0);
}

void clear_screen (void)
{
	uint xdata i;
//	bit ea_save;

//	ea_save = EA;

	ET0 = 0;
	disable_cursor();

//	EA = 0;
	double_parameter(0x00, GRAPHIC_HIGH_ADDRESS >> 8, LCD_ADDRESS_POINTER);
//	EA = ea_save;

	no_parameter(LCD_AUTO_WRITE);

	for (i = 0; i < 0x1680; i++) {
		rd_status(3);
		wr_data(LCD_DATA, 0x00);

	}

	no_parameter(LCD_AUTO_OVER);

	graph_add = GRAPHIC_HIGH_ADDRESS;
	double_parameter(0x00, GRAPHIC_HIGH_ADDRESS >> 8, LCD_GRAPHIC_ADDRESS);

	ET0 = 1;

	return ;
}


void display_ascii(uint o_y, uint o_x, uchar ascii_value, unsigned char disp_method)
{
	uchar i;
	unsigned int address, j;

	if ((o_x > 29) || (ascii_value > 127)) {
		return ;
	}

	address = GRAPHIC_HIGH_ADDRESS + o_y * 0x1e0 + o_x;

	for (i = 0; i < 16; i ++) {
		j = address + i * 0x1e;
		double_parameter(j & 0xff, j >> 8, LCD_ADDRESS_POINTER);
		if (disp_method == 0) {//正常显示
			single_parameter(ASCII[ascii_value][i], LCD_WR_ADP_INCREMENT);
		} else if (disp_method == 1) {//反白显示
			single_parameter(~(ASCII[ascii_value][i]), LCD_WR_ADP_INCREMENT);
		} else if (disp_method == 2) {//加下划线
			if (i != 15) {
				single_parameter(ASCII[ascii_value][i], LCD_WR_ADP_INCREMENT);
			} else {
				single_parameter(0xff, LCD_WR_ADP_INCREMENT);
			}
		}
	 }

	return ;
}

void display_han(uchar o_y, uchar o_x, uchar *hanzi, unsigned char disp_method)
{
	unsigned long data offset;
	idata unsigned long ss;
	idata unsigned int address, j;
	uchar data i;
	uchar matrix[32];
	uchar data t;
//	bit ea_save;

	if (o_x > 29) {
		return ;
	}

	//计算GB2312汉字首地址公式：
	//汉字首地址= ((区码- 0xA1）×94 + 位码- 0xA1) ×32
	offset = ((hanzi[0] - 0xA1) * 94 + (hanzi[1] - 0xA1));
	offset *= 32;
	for (i = 0; i < 32; i++) {
		ss = (offset + i) & 0x10000;
		A_16 = ss > 0;
		ss = (offset + i) & 0x20000;
		A_17 = ss > 0;
		ss = (offset + i) & 0x40000;
		A_18 = ss > 0;

//		ea_save = EA;
//		EA = 0;
		ES = 0;
		ET0 = 0;
		A_19 = 0;
		t = XBYTE[(unsigned int)(offset + i)];
		A_19 = 1;
		ES = 1;
		ET0 = 1;
//		EA = ea_save;

		if (disp_method) {
			t = ~t;
		}

		matrix[i] = t;
	}

	address = GRAPHIC_HIGH_ADDRESS + o_y * 0x1e0 + o_x;

	for (i = 0; i < 32; i = i + 2) {
		j = address + (i / 2) * 0x1e;
		double_parameter(j & 0xff, j >> 8, LCD_ADDRESS_POINTER);
		single_parameter(matrix[i], LCD_WR_ADP_INCREMENT);
		single_parameter(matrix[i + 1], LCD_WR_ADP_INCREMENT);
	}

	return ;
}


uchar display(uchar y, uchar x, uchar *buffer, uchar length, uchar method)
{
	idata unsigned int i;
	idata unsigned short neima;
	idata unsigned char m, n;

	if ((x > 29) || (y > 15)) {
		return 0;
	}

	if (length == 0) {
		return 0;
	}

	if ((x + length) > 30) {
		length = 30 - x;
	}

	for (i = 0; i < length;) {
		if ((buffer[i] & 0x80) == 0) {
			display_ascii(y, x, buffer[i], method);
			x++;
			i++;
		} else {
			m = buffer[i];
			i++;
			n = buffer[i];
			i++;

			neima = (m << 8) | n;

			if (x == 29) {
				return 1;
			}
			display_han(y, x, (unsigned char *)&neima, method);

//			x++;
//			x++;
			x += 2;
		}
	}

	return 0;

}


/*
void display_point(uchar method, uchar y, uchar x)
{
	uint data address;

	address = y * 30 + x /8 + GRAPHIC_HIGH_ADDRESS;
	double_parameter(address & 0xff, address >> 8, LCD_ADDRESS_POINTER);

	if (method == SET_POINT) {
		no_parameter(0xf8 | ((~(x % 8)) & 0x07));
	} else {
		no_parameter(0xf0 | (x % 8));
	}

	return ;
}


void display_rectangle(uchar ystart, uchar yend, uchar xstart, uchar xend)
{
	uchar i;

	for (i = ystart; i <= yend; i++) { //两垂直线
		display_point(SET_POINT, i, xstart);  
		display_point(SET_POINT, i, xend);
	}

	for (i = xstart; i <= xend; i++) { //两水平线
		display_point(SET_POINT, ystart, i);
		display_point(SET_POINT, yend, i);
	}

	return ;
}


void clear_rectangle(uchar ystart, uchar yend, uchar xstart, uchar xend)
{
	uchar i;

	for (i = ystart; i <= yend; i++) { //两垂直线
		display_point(CLEAR_POINT, xstart, i);
		display_point(CLEAR_POINT, xend, i);
	}


	for (i = xstart; i <= xend; i++) { //两水平线
		display_point(CLEAR_POINT, i, ystart);  
		display_point(CLEAR_POINT, i, yend);
	}

	return ;
}

*/

void init_LCD (void)
{
	unsigned int temp;

	lcd_reset = 0;
	for(temp = 0; temp < 3000; temp++)
		watch_dog = ~watch_dog;

	lcd_reset = 1;

	for(temp = 0; temp < 30; temp++)
		watch_dog = ~watch_dog;

	clear_LCD();

	double_parameter(0x00, 0x01, LCD_TXT_HOME_ADDRESS);
	double_parameter(0x00, GRAPHIC_HIGH_ADDRESS >> 8, LCD_GRAPHIC_ADDRESS);
	double_parameter(0x1e, 0x00, LCD_TXT_AREA);
	double_parameter(0x1e, 0x00, LCD_GRAPHIC_AREA);
	double_parameter(0x1c, 0x00, LCD_CGRAM_POSITION);
	no_parameter(LCD_CURSOR_SHAPE);
	no_parameter(LCD_MOD_OR);
	no_parameter(LCD_DISPLAY_SWITCH);

	graph_add = GRAPHIC_HIGH_ADDRESS;

	return ;
}


/*
void main( void )
{
	RS0  = 0;
	RS1  = 0;
	SP    = 0x50;

	init_LCD();

	clear_LCD();

	display(1, 3, "山东康威通信技术有限公司", 24, 0);
	display(2, 6, "版权所有  技术支持", 18, 0);
	display_rectangle(0, 63, 0, 239);

	while (1) {
		watch_dog = ~watch_dog;
	}

	return;
}

*/