/* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA * * Copyright (C) 2002, 2003 Motorola Semiconductors HK Ltd * */#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include <unistd.h>#include <errno.h>#include <stdio.h>#include <stdlib.h>int main(){	int fd;	char buf[2];	int size;	int i;		fd = open("/dev/i2c-keypad",O_RDONLY);		for(i=0;i<2;i++)		buf[i] = 0;	//	printf("open fd=%d\n",fd);	while(i<102){		size = read(fd,buf,2);		{			//printf("app read okay---\n");			printf("buf[%d] = %x\n",0,buf[0]);			printf("buf[%d] = %x\n",1,buf[1]);			/*switch(buf[0]){				case 0xEF:					switch(buf[1]){						case 0xEF:							break;						case 0xF7:							break;						case 0xFB:							break;						case 0xFD:							break;						case 0xFE:							break;						default:					}					break;				case 0xF7:					switch(buf[1]){						case 0xEF:							break;						case 0xF7:							break;						case 0xFB:							break;						case 0xFD:							break;						case 0xFE:							break;						default:					}					break;				case 0xFB:					switch(buf[1]){						case 0xEF:							break;						case 0xF7:							break;						case 0xFB:							break;						case 0xFD:							break;						case 0xFE:							break;						default:					}					break;				case 0xFD:					switch(buf[1]){						case 0xEF:							break;						case 0xF7:							break;						case 0xFB:							break;						case 0xFD:							break;						case 0xFE:							break;						default:					}					break;				case 0xFE:					switch(buf[1]){						case 0xEF:							break;						case 0xF7:							break;						case 0xFB:							break;						case 0xFD:							break;						case 0xFE:							break;						default:					}					break;				default:					switch(buf[1]){						case 0xEF:							break;						case 0xF7:							break;						case 0xFB:							break;						case 0xFD:							break;						case 0xFE:							break;						default:					}			}			*/			/*if ((~buf[0]&0x10) && (~buf[1]&0x10))				printf("L ");			if ((~buf[0]&0x10) && (~buf[1]&0x08))				printf("R ");			if ((~buf[0]&0x10) && (~buf[1]&0x04))				printf("D ");			if ((~buf[0]&0x08) && (~buf[1]&0x02))				printf("U ");			if ((~buf[0]&0x04) && (~buf[1]&0x01))				printf("A ");			if ((~buf[0]&0x02) && (~buf[1]&0x10))				printf("B ");			if ((buf[0]==0xFF) && (buf[1]==0xFF))				printf("No keys are pressed ");			printf("\n");			*/			//putchar('\r');				//putchar(((~buf[0]&0x10) && (~buf[1]&0x10))?'L':' ');			//putchar(((~buf[0]&0x10) && (~buf[1]&0x08))?'R':' ');			//putchar(((~buf[0]&0x10) && (~buf[1]&0x04))?'U':' ');			//putchar(((~buf[0]&0x08) && (~buf[1]&0x02))?'P':' ');			//putchar(((~buf[0]&0x04) && (~buf[1]&0x01))?'A':' ');			//putchar(((~buf[0]&0x02) && (~buf[1]&0x10))?'B':' ');			//fflush(stdout);								}		i = i + 1;	}	close(fd);	return 0;}