minigui_ial.rar_2410.h MiniG_LINUX MINIGUI ial_minigui i_线 触摸屏

/* ** $Id: 2410.c,v 1.6 2004/04/01 08:57:13 weiym Exp $ ** ** 2410.c: Low Level Input Engine for SMDK2410 Dev Board. ** ** Copyright (C) 2003 Feynman Software. */ /* ** 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 */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <fcntl.h> #include "common.h" //#include "tslib.h" #ifdef _SMDK2410_IAL #include <sys/ioctl.h> #include <sys/poll.h> #include <sys/types.h> #include <sys/stat.h> #include <linux/kd.h> #include "ial.h" #include "2410.h" //#ifndef _DEBUG //#define _DEBUG // for debugging //#endif #ifdef _DEBUG #undef _DEBUG // for release #endif /* for storing data reading from /dev/touchScreen/0raw */ typedef struct { unsigned short pressure; unsigned short x; unsigned short y; unsigned short pad; } TS_EVENT; static unsigned char state [NR_KEYS]; static int mousex = 0; static int mousey = 0; static TS_EVENT ts_event; //static struct tsdev *ts; static int fd=-1; /************************ Low Level Input Operations **********************/ /* * Mouse operations -- Event */ static int mouse_update(void) { return 1; } static void mouse_getxy(int *x, int* y) { if (mousex < 0) mousex = 0; if (mousey < 0) mousey = 0; // if (mousex > 239) mousex = 239; // if (mousey > 319) mousey = 319; #ifdef _DEBUG printf ("mousex = %d, mousey = %d\n", mousex, mousey); #endif *x = mousex; *y = mousey; } static int mouse_getbutton(void) { return ts_event.pressure; } #ifdef _LITE_VERSION static int wait_event (int which, int maxfd, fd_set *in, fd_set *out, fd_set *except, struct timeval *timeout) #else static int wait_event (int which, fd_set *in, fd_set *out, fd_set *except, struct timeval *timeout) #endif { // struct ts_sample sample; int ret = 0; while(1){ ts_event.x=0; ts_event.y=0; ret = read(fd, (char *)&ts_event, sizeof(TS_EVENT)); if (ret != sizeof(TS_EVENT)) { printf("read touch screen error!"); close(fd); exit(-1); } // ts_event.pressure = (ts_event.pressure > 0 ? 4:0); if (ts_event.pressure > 0){ ts_event.pressure=4; mousex = 320-(980-ts_event.x)*320/900; mousey = (930-ts_event.y)*240/820; //mousex = ts_event.x; //mousey = ts_event.y; //printf("x=%d,y=%d,p=%d\n",ts_event.x,ts_event.y,ts_event.pressure); printf("x=%d,y=%d,p=%d\n",mousex,mousey,ts_event.pressure); }else printf("up\n"); ret |= IAL_MOUSEEVENT; return (ret); } return (ret); } BOOL Init2410Input (INPUT* input, const char* mdev, const char* mtype) { fd = open("/dev/ts", O_RDWR); if(fd == -1) { printf("\nCan't open touchscreen device!\n"); exit(-1); } input->update_mouse = mouse_update; input->get_mouse_xy = mouse_getxy; input->set_mouse_xy = NULL; input->get_mouse_button = mouse_getbutton; input->set_mouse_range = NULL; input->wait_event = wait_event; mousex = 0; mousey = 0; ts_event.x = ts_event.y = ts_event.pressure = 0; return TRUE; } void Term2410Input(void) { if (fd>0) close(fd); } #endif