main.c

(绝对原创)Linux写的GB2312字库程序

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>

#include "lcd.h"
#include "ap_font.h"

//struct lcd_dev *lcd_devp;

#define get_font_size(x,y)	((x)*(y)/8)


int testdev=-1;

int main(int argc,char **argv){

	int i;
	unsigned ret;	
	unsigned char test_type;
	const struct ap_font_desc *ap_font;
	unsigned char string1[] = {0xce,0xd2,0xba,0xcd,0xc4,0xe3}; //wo he ni -- len = 3
	unsigned char string2[] = {0xc4,0xe3,0xba,0xc3,0xa3,0xac,0xb1,0xb1,0xbe,0xa9,0xa3,0xa1}; //ni hao, bei jing! len =6
	unsigned char string3[] = {0xb1,0xb1,0xbe,0xa9,0xa3,0xa1};
	unsigned char string4[] = {
				   0xc4,0xe3,0xba,0xc3,0xa3,0xac,0xb1,0xb1,0xbe,0xa9,0xa3,0xa1,
				   0xc4,0xe3,0xba,0xc3,0xa3,0xac,0xb1,0xb1,0xbe,0xa9,0xa3,0xa1,
				   0xc4,0xe3,0xba,0xc3,0xa3,0xac,0xb1,0xb1,0xbe,0xa9,0xa3,0xa1}; //18 word
	unsigned char string5[] = {
				   0xc4,0xe3,0xba,0xc3,0xa3,0xac,0xb1,0xb1,0xbe,0xa9,0xa3,0xa1,
				   0xc4,0xe3,0xba,0xc3,0xa3,0xac,0xb1,0xb1,0xbe,0xa9,0xa3,0xa1,
				   0xc4,0xe3,0xba,0xc3,0xa3,0xac,0xb1,0xb1,0xbe,0xa9,0xa3,0xa1,
				   0xc4,0xe3,0xba,0xc3,0xa3,0xac,0xb1,0xb1,0xbe,0xa9,0xa3,0xa1,
				   0xc4,0xe3,0xba,0xc3,0xa3,0xac,0xb1,0xb1,0xbe,0xa9,0xa3,0xa1,
				   0xc4,0xe3,0xba,0xc3,0xa3,0xac,0xb1,0xb1,0xbe,0xa9,0xa3,0xa1}; //36 word
	unsigned char x0,y0,len;

	//printf("function parameter:\n");
	/*
	printf("argc:%d\n", argc);
	for(i=0;i<argc;i++){
		printf("argv[%d]:%s\n", i, argv[i]);
	}
	*/
	testdev = open("/dev/lcddev0",O_RDWR);
	if (testdev == -1){
		printf("can't open lcddev.\n");
		exit(0);
	}

        ap_font = ap_find_font("GB2312_16x16");
        if (NULL == ap_font) {
        	printf("no such font.\n");
         }
	//init api frame buffer and lcd_dev			
	lcd_api_init(ap_font,0);

	//lcd_full_scr(testdev);
	test_type=(unsigned char)strtoul(argv[1],0,0);
	switch( test_type){
		case 0 :
			if (ioctl(testdev, LCD_RESET, (unsigned long)0)){
				printf("call ioctl error.\n");
			}
			break;

		case 30: //clear screen
			/*if (ioctl(testdev, LCD_CLEAR, (unsigned long)0)){
				printf("call ioctl error.\n");
			}*/
			lcd_clear_scr(testdev);
		break;

		case 31://screen full
			/*if (ioctl(testdev, LCD_FULL, (unsigned long)0)){
				printf("call ioctl error.\n");
			}*/
			lcd_full_scr(testdev);
		break;

		case 32:

		break;
		
		case 40:
                	y0=(unsigned char)strtoul(argv[2],0,0);
			x0=(unsigned char)strtoul(argv[3],0,0);
                	len=(unsigned char)strtoul(argv[4],0,0);
			ret = lcd_write_chars(testdev, y0, x0, string1, len);
			
		break;		

		case 41:
                	y0=(unsigned char)strtoul(argv[2],0,0);
			x0=(unsigned char)strtoul(argv[3],0,0);
                	len=(unsigned char)strtoul(argv[4],0,0);
			ret = lcd_write_chars(testdev, y0, x0, string2, len);
		break;
			
		case 42:
                	y0=(unsigned char)strtoul(argv[2],0,0);
			x0=(unsigned char)strtoul(argv[3],0,0);
                	len=(unsigned char)strtoul(argv[4],0,0);	
			ret = lcd_write_chars(testdev, y0, x0, string3, len);
		break;
		
		case 50:
                	y0=(unsigned char)strtoul(argv[2],0,0);
			x0=(unsigned char)strtoul(argv[3],0,0);
                	len=(unsigned char)strtoul(argv[4],0,0);
			lcd_full_scr(testdev);
			ret = lcd_write_chars(testdev, y0, x0, string4, len);
		break;

		case 51:
                	y0=(unsigned char)strtoul(argv[2],0,0);
			x0=(unsigned char)strtoul(argv[3],0,0);
                	len=(unsigned char)strtoul(argv[4],0,0);
			lcd_full_scr(testdev);
			ret = lcd_write_chars(testdev, y0, x0, string5, len);
		break;

		default:
		break;
	}
	
	lcd_api_close();

	close(testdev);

	//printf("lcd_test end.\n");
	return 0;
}