?? arctic2-raw.c
字號:
#include <stdlib.h>#include <stdio.h>#include <unistd.h>#include "config.h"#include "tslib-private.h"struct arctic2_ts_event { /* Used in the IBM Arctic II */ signed short pressure; signed int x; signed int y; int millisecs; int flags;};static int arctic2_read(struct tslib_module_info *inf, struct ts_sample *samp, int nr){ struct tsdev *ts = inf->dev; struct arctic2_ts_event *arctic2_evt; int ret; int total = 0; arctic2_evt = alloca(sizeof(*arctic2_evt) * nr); ret = read(ts->fd, arctic2_evt, sizeof(*arctic2_evt) * nr); if(ret > 0) { int nr = ret / sizeof(*arctic2_evt); while(ret >= (int)sizeof(*arctic2_evt)) { samp->x = (short)arctic2_evt->x; samp->y = (short)arctic2_evt->y; samp->pressure = arctic2_evt->pressure;#ifdef DEBUG fprintf(stderr,"RAW---------------------------> %d %d %d\n",samp->x,samp->y,samp->pressure);#endif /*DEBUG*/ gettimeofday(&samp->tv,NULL); samp++; arctic2_evt++; ret -= sizeof(*arctic2_evt); } } else { return -1; } ret = nr; return ret;}static const struct tslib_ops arctic2_ops ={ .read = arctic2_read,};TSAPI struct tslib_module_info *mod_init(struct tsdev *dev, const char *params){ struct tslib_module_info *m; m = malloc(sizeof(struct tslib_module_info)); if (m == NULL) return NULL; m->ops = &arctic2_ops; return m;}?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -