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-rw-r--r--meta/recipes-graphics/tslib/tslib/multievent.patch843
1 files changed, 843 insertions, 0 deletions
diff --git a/meta/recipes-graphics/tslib/tslib/multievent.patch b/meta/recipes-graphics/tslib/tslib/multievent.patch
new file mode 100644
index 0000000..854e7af
--- /dev/null
+++ b/meta/recipes-graphics/tslib/tslib/multievent.patch
@@ -0,0 +1,843 @@
+--- tslib/plugins/linear.c~multievent
++++ tslib/plugins/linear.c
+@@ -39,14 +39,12 @@
+ linear_read(struct tslib_module_info *info, struct ts_sample *samp, int nr)
+ {
+ struct tslib_linear *lin = (struct tslib_linear *)info;
+- int ret;
++ int ret, i = 0;
+ int xtemp,ytemp;
+
+ ret = info->next->ops->read(info->next, samp, nr);
+ if (ret >= 0) {
+- int nr;
+-
+- for (nr = 0; nr < ret; nr++, samp++) {
++ for (i = 0; i < ret; i++, samp++) {
+ #ifdef DEBUG
+ fprintf(stderr,"BEFORE CALIB--------------------> %d %d %d\n",samp->x, samp->y, samp->pressure);
+ #endif /*DEBUG*/
+@@ -66,6 +64,7 @@
+ samp->y = tmp;
+ }
+ }
++ ret = i;
+ }
+
+ return ret;
+--- tslib/plugins/dejitter.c~multievent
++++ tslib/plugins/dejitter.c
+@@ -24,7 +24,6 @@
+
+ struct tslib_threshold {
+ struct tslib_module_info module;
+- int pthreshold;
+ int xdelta;
+ int ydelta;
+ int delta2;
+@@ -36,40 +35,28 @@
+ static int threshold_read(struct tslib_module_info *info, struct ts_sample *samp, int nr)
+ {
+ struct tslib_threshold *thr = (struct tslib_threshold *)info;
+- struct ts_sample *s;
+- int ret;
++ struct ts_sample *src = samp, *dest = samp;
++ int ret, i = 0;
+
+ ret = info->next->ops->read(info->next, samp, nr);
+ if (ret >= 0) {
+- int nr = 0;
+-
+- for (s = samp; s < samp + ret; s++) {
++ for (i = 0; i < ret; i++, samp++) {
+ int dr2;
+ #ifdef DEBUG
+- fprintf(stderr,"BEFORE DEJITTER---------------> %d %d %d\n",s->x,s->y,s->pressure);
++ fprintf(stderr,"BEFORE DEJITTER---------------> %d %d %d\n", samp->x, samp->y, samp->pressure);
+ #endif /*DEBUG*/
+- thr->down = (s->pressure >= thr->pthreshold);
+- if (thr->down) {
+- dr2 = (thr->x - s->x)*(thr->x - s->x)
+- + (thr->y - s->y)*(thr->y - s->y);
+- if(dr2 < thr->delta2) {
+- s->x = thr->x;
+- s->y = thr->y;
+- } else {
+- thr->x = s->x;
+- thr->y = s->y;
+- }
+-
++ dr2 = (thr->x - samp->x)*(thr->x - samp->x)
++ + (thr->y - samp->y)*(thr->y - samp->y);
++ if(dr2 < thr->delta2) {
++ samp->x = thr->x;
++ samp->y = thr->y;
+ } else {
+- s->x = thr->x;
+- s->y = thr->y;
++ thr->x = samp->x;
++ thr->y = samp->y;
+ }
+-
+-
+- samp[nr++] = *s;
+ }
+
+- ret = nr;
++ ret = i;
+ }
+ return ret;
+ }
+@@ -106,10 +93,6 @@
+ thr->ydelta = v;
+ break;
+
+- case 3:
+- thr->pthreshold = v;
+- break;
+-
+ default:
+ return -1;
+ }
+@@ -120,7 +103,6 @@
+ {
+ { "xdelta", (void *)1, threshold_limit },
+ { "ydelta", (void *)2, threshold_limit },
+- { "pthreshold", (void *)3, threshold_limit }
+ };
+
+ //#define NR_VARS (sizeof(threshold_vars) / sizeof(threshold_vars[0]))
+@@ -138,7 +120,6 @@
+
+ thr->xdelta = 10;
+ thr->ydelta = 10;
+- thr->pthreshold = 100;
+
+ if (tslib_parse_vars(&thr->module, threshold_vars, NR_VARS, params)) {
+ free(thr);
+--- tslib/plugins/variance.c~multievent
++++ tslib/plugins/variance.c
+@@ -9,25 +9,36 @@
+ * $Id: variance.c,v 1.3 2002/11/08 23:28:55 dlowder Exp $
+ *
+ * Variance filter for touchscreen values
++ *
++ * Policy question (applies to all tslib modules that consume events):
++ * 1) User requests a read of 5 events using nr.
++ * 2) Lower layers return us 4 events.
++ * 3) Perform variance calculation, we now only have _1_ event.
++ * 4) Do we, a) duplicate this data across the user requested 4 events,
++ * b) push up the single event
++ * c) loop on the read from the lower layers to obtain
++ * the user's requested number of events, unless we hit
++ * a pen_up.
+ */
++
+ #include <errno.h>
+ #include <stdlib.h>
+ #include <string.h>
+ #include <limits.h>
+-
+ #include <stdio.h>
+
+ #include "tslib.h"
+ #include "tslib-filter.h"
+
++#define NR_INIT -1
+ #define NR_LAST 4
+
+ struct tslib_variance {
+ struct tslib_module_info module;
+ int nr;
+- unsigned int pthreshold;
+ unsigned int xlimit;
+ unsigned int ylimit;
++ unsigned int pthreshold;
+ struct ts_sample last[NR_LAST];
+ };
+
+@@ -37,8 +48,7 @@
+ * least variance, and average them.
+ */
+ static int
+-variance_calculate(struct tslib_variance *var, struct ts_sample *samp,
+- struct ts_sample *s)
++variance_calculate(struct tslib_variance *var, struct ts_sample *dest, struct ts_sample *src)
+ {
+ int i, j;
+ int diff_x, min_x, i_x, j_x;
+@@ -100,11 +110,11 @@
+ }
+ }
+
+- samp->x = (var->last[i_x].x + var->last[j_x].x) / 2;
+- samp->y = (var->last[i_y].y + var->last[j_y].y) / 2;
+- samp->pressure = (var->last[i_p].pressure + var->last[j_p].pressure) / 2;
+- samp->tv.tv_sec = s->tv.tv_sec;
+- samp->tv.tv_usec = s->tv.tv_usec;
++ dest->x = (var->last[i_x].x + var->last[j_x].x) / 2;
++ dest->y = (var->last[i_y].y + var->last[j_y].y) / 2;
++ dest->pressure = (var->last[i_p].pressure + var->last[j_p].pressure) / 2;
++ dest->tv.tv_sec = src->tv.tv_sec;
++ dest->tv.tv_usec = src->tv.tv_usec;
+
+ return 1;
+ }
+@@ -112,55 +122,57 @@
+ static int variance_read(struct tslib_module_info *info, struct ts_sample *samp, int nr)
+ {
+ struct tslib_variance *var = (struct tslib_variance *)info;
+- struct ts_sample *s;
+- int ret;
+-
+- ret = info->next->ops->read(info->next, samp, nr);
+- if (ret >= 0) {
+- int nr = 0;
+-
+- for (s = samp; s < samp + ret; s++) {
+- if (s->pressure < var->pthreshold) {
+- /*
+- * Pen was released. Reset our state and
+- * pass up the release information.
+- */
+-// samp[nr].x = 0;
+-// samp[nr].y = 0;
+- samp[nr].pressure = s->pressure;
+- samp[nr].tv.tv_sec = s->tv.tv_sec;
+- samp[nr].tv.tv_usec = s->tv.tv_usec;
+-
+- nr++;
+-
+- var->nr = 0;
+- continue;
+- } else if (var->nr == -1) {
+- /*
+- * Pen was pressed. Inform upper layers
+- * immediately.
+- */
+- samp[nr] = *s;
+- nr++;
+- }
+-
+- if (var->nr >= 0) {
+- var->last[var->nr].x = s->x;
+- var->last[var->nr].y = s->y;
+- var->last[var->nr].pressure = s->pressure;
+- }
+-
+- var->nr++;
++ struct ts_sample *src = samp, *dest = samp;
++ int ret, i = 0;
+
+- if (var->nr == NR_LAST) {
+- if (variance_calculate(var, samp + nr, s))
+- nr++;
+- var->nr = 0;
++ /*
++ * NOTES:
++ *
++ * Loop on read, collecting events until we hit nr, unless
++ * we hit a pen up or encounter a failure.
++ */
++ while ((i < nr) && (ret != -1)) {
++ ret = info->next->ops->read(info->next, dest + i, nr - i);
++ if (ret >= 0) {
++ for (src = dest + i; src < dest + ret; src++) {
++ if (src->pressure < var->pthreshold) {
++ /* pen released, reset var->nr,
++ * do a calc based on what we have so
++ * far, and let this event flow up */
++ if (variance_calculate(var, dest + i, src))
++ i++;
++ var->nr = NR_INIT;
++ ret = -1; /* break outer loop, push up event */
++ break;
++ } else if (var->nr == NR_INIT) {
++ /*
++ * First pen down event. Inform upper layers
++ * immediately for responsiveness.
++ */
++ var->nr = 0;
++ i++;
++ ret = -1; /* break outer loop */
++ break;
++ }
++
++ if (var->nr >= 0) {
++ var->last[var->nr].x = src->x;
++ var->last[var->nr].y = src->y;
++ var->last[var->nr].pressure = src->pressure;
++ }
++
++ var->nr++;
++
++ if (var->nr == NR_LAST) {
++ if (variance_calculate(var, dest + i, src))
++ i++;
++ var->nr = 0;
++ }
+ }
+ }
+-
+- ret = nr;
+ }
++ /* if we've collected at least one event, send it up */
++ if (i != 0) ret = i;
+ return ret;
+ }
+
+@@ -196,10 +208,6 @@
+ var->ylimit = v;
+ break;
+
+- case 3:
+- var->pthreshold = v;
+- break;
+-
+ default:
+ return -1;
+ }
+@@ -210,7 +218,6 @@
+ {
+ { "xlimit", (void *)1, variance_limit },
+ { "ylimit", (void *)2, variance_limit },
+- { "pthreshold", (void *)3, variance_limit }
+ };
+
+ #define NR_VARS (sizeof(variance_vars) / sizeof(variance_vars[0]))
+@@ -218,6 +225,7 @@
+ struct tslib_module_info *mod_init(struct tsdev *dev, const char *params)
+ {
+ struct tslib_variance *var;
++ char *pthresvar;
+
+ var = malloc(sizeof(struct tslib_variance));
+ if (var == NULL)
+@@ -225,10 +233,15 @@
+
+ var->module.ops = &variance_ops;
+
+- var->nr = -1;
++ var->nr = NR_INIT;
+ var->xlimit = 160;
+ var->ylimit = 160;
+ var->pthreshold = 100;
++ pthresvar = getenv("TSLIB_PTHRES");
++ if (pthresvar != NULL) {
++ int p = strtol(pthresvar, (char **)NULL, 10);
++ if (p != -1) var->pthreshold = p;
++ }
+
+ if (tslib_parse_vars(&var->module, variance_vars, NR_VARS, params)) {
+ free(var);
+--- tslib/README~multievent
++++ tslib/README
+@@ -36,6 +36,19 @@
+ usages. They are by no means exhaustive, nor probably even good examples.
+ They are basically the programs I used to test this library.
+
++Module Creation Notes
++=====================
++
++For those creating tslib modules, it is important to note a couple things with
++regard to handling of the ability for a user to request more than one ts event
++at a time. The first thing to note is that the lower layers may send up less
++events than the user requested, but only if that was a result of a pen release.
++Next, your module should send up just as many events as the user requested in
++nr. If your module is one that consumes events, such as variance, then you
++loop on the read from the lower layers, and only send the events up when
++1) you have the number of events requested by the user, or 2) one of the events
++from the lower layers was a pen release.
++
+
+ Module Parameters
+ =================
+--- tslib/src/ts_read_raw.c~multievent
++++ tslib/src/ts_read_raw.c
+@@ -14,10 +14,10 @@
+ *
+ * Read raw pressure, x, y, and timestamp from a touchscreen device.
+ */
++
+ #include "config.h"
+
+ #include <stdio.h>
+-
+ #include <stdlib.h>
+ #ifdef HAVE_UNISTD_H
+ #include <unistd.h>
+@@ -25,79 +25,27 @@
+ #include <sys/time.h>
+ #include <sys/types.h>
+
+-#ifdef USE_INPUT_API
+-#include <linux/input.h>
+-#else
+-struct ts_event { /* Used in UCB1x00 style touchscreens (the default) */
+- unsigned short pressure;
+- unsigned short x;
+- unsigned short y;
+- unsigned short pad;
+- struct timeval stamp;
+-};
+-struct h3600_ts_event { /* Used in the Compaq IPAQ */
+- unsigned short pressure;
+- unsigned short x;
+- unsigned short y;
+- unsigned short pad;
+-};
+-struct mk712_ts_event { /* Used in the Hitachi Webpad */
+- unsigned int header;
+- unsigned int x;
+- unsigned int y;
+- unsigned int reserved;
+-};
+-struct arctic2_ts_event { /* Used in the IBM Arctic II */
+- signed short pressure;
+- signed int x;
+- signed int y;
+- int millisecs;
+- int flags;
+-};
+-struct collie_ts_event { /* Used in the Sharp Zaurus SL-5000d and SL-5500 */
+- long y;
+- long x;
+- long pressure;
+- long long millisecs;
+-};
+-struct corgi_ts_event { /* Used in the Sharp Zaurus SL-C700 */
+- short pressure;
+- short x;
+- short y;
+- short millisecs;
+-};
+-#endif /* USE_INPUT_API */
+-
+ #include "tslib-private.h"
+
+-int ts_read_raw(struct tsdev *ts, struct ts_sample *samp, int nr)
+-{
+ #ifdef USE_INPUT_API
++#include <linux/input.h>
++
++static inline int get_input_event(struct tsdev *ts, struct ts_sample *samp) {
+ struct input_event ev;
+-#else
+- struct ts_event *evt;
+- struct h3600_ts_event *hevt;
+- struct mk712_ts_event *mevt;
+- struct arctic2_ts_event *aevt;
+- struct collie_ts_event *collie_evt;
+- struct corgi_ts_event *corgi_evt;
+-#endif /* USE_INPUT_API */
+- int ret;
+- int total = 0;
++ struct timeval tv = {0, 0};
++ fd_set fdset;
++ int ret = 0;
+
+- char *tseventtype=NULL;
+- char *defaulttseventtype="UCB1x00";
++ /* event vars */
++ static int curr_x = 0, curr_y = 0;
++ int curr_p = 0, next_x = 0, next_y = 0;
+
+-#ifdef USE_INPUT_API
+- /* warning: maybe those static vars should be part of the tsdev struct? */
+- static int curr_x = 0, curr_y = 0, curr_p = 0;
+- static int got_curr_x = 0, got_curr_y = 0;
+- int got_curr_p = 0;
+- int next_x, next_y;
++ /* state variables */
++ int got_curr_x = 0, got_curr_y = 0, got_curr_p = 0;
+ int got_next_x = 0, got_next_y = 0;
+ int got_tstamp = 0;
+
+- while (total < nr) {
++ while (1) {
+ ret = read(ts->fd, &ev, sizeof(struct input_event));
+ if (ret < sizeof(struct input_event)) break;
+
+@@ -146,177 +94,231 @@
+ samp->tv = ev.time;
+ }
+
+- if ( (!got_curr_x || !got_curr_y) && !got_curr_p &&
+- !got_next_x && !got_next_y ) {
+- /*
+- * The current event is not complete yet.
+- * Give the kernel a chance to feed us more.
+- */
+- struct timeval tv = {0, 0};
+- fd_set fdset;
+- FD_ZERO(&fdset);
+- FD_SET(ts->fd, &fdset);
+- ret = select(ts->fd+1, &fdset, NULL, NULL, &tv);
+- if (ret == 1) continue;
+- if (ret == -1) break;
++ if (got_curr_x && got_curr_y && got_curr_p) {
++ /* we have a complete event */
++ samp->x = curr_x;
++ samp->y = curr_y;
++ samp->pressure = curr_p;
++ ret = 0; /* indicate success */
++ if (got_next_x) curr_x = next_x;
++ if (got_next_y) curr_y = next_y;
++ break;
+ }
+
+- /* We consider having a complete ts event */
+- samp->x = curr_x;
+- samp->y = curr_y;
+- samp->pressure = curr_p;
+-#ifdef DEBUG
+- fprintf(stderr,"RAW---------------------------> %d %d %d\n",samp->x,samp->y,samp->pressure);
+-#endif /*DEBUG*/
+- samp++;
+- total++;
+-
+- /* get ready for next event */
+- if (got_next_x) curr_x = next_x; else got_curr_x = 0;
+- if (got_next_y) curr_y = next_y; else got_curr_y = 0;
+- got_next_x = got_next_y = got_tstamp = 0;
++ /*
++ * The current event is not complete yet.
++ * Give the kernel a chance to feed us more.
++ */
++ FD_ZERO(&fdset);
++ FD_SET(ts->fd, &fdset);
++ ret = select(ts->fd+1, &fdset, NULL, NULL, &tv);
++ if (ret == 1) continue;
++ if (ret == -1) break;
+ }
+
+- if (ret) ret = -1;
+- if (total) ret = total;
++// fprintf(stdout, "%s: returning %d\n", __FUNCTION__, ret);
++ if (ret != 0) ret = -1;
++ return ret;
++}
++
+ #else
++
++struct ucb1x00_ts_event { /* Used in UCB1x00 style touchscreens (the default) */
++ unsigned short pressure;
++ unsigned short x;
++ unsigned short y;
++ unsigned short pad;
++ struct timeval stamp;
++};
++struct h3600_ts_event { /* Used in the Compaq IPAQ */
++ unsigned short pressure;
++ unsigned short x;
++ unsigned short y;
++ unsigned short pad;
++};
++struct mk712_ts_event { /* Used in the Hitachi Webpad */
++ unsigned int header;
++ unsigned int x;
++ unsigned int y;
++ unsigned int reserved;
++};
++struct arctic2_ts_event { /* Used in the IBM Arctic II */
++ signed short pressure;
++ signed int x;
++ signed int y;
++ int millisecs;
++ int flags;
++};
++struct collie_ts_event { /* Used in the Sharp Zaurus SL-5000d and SL-5500 */
++ long y;
++ long x;
++ long pressure;
++ long long millisecs;
++};
++struct corgi_ts_event { /* Used in the Sharp Zaurus SL-C700 */
++ short pressure;
++ short x;
++ short y;
++ short millisecs;
++};
++
++static inline int get_ucb1x00_event(struct tsdev *ts, struct ts_sample *samp) {
++ struct ucb1x00_ts_event evt;
++ int ret = read(ts->fd, &evt, sizeof(struct ucb1x00_ts_event));
++ if (ret > 0) {
++ samp->x = evt.x;
++ samp->y = evt.y;
++ samp->pressure = evt.pressure;
++ samp->tv.tv_usec = evt.stamp.tv_usec;
++ samp->tv.tv_sec = evt.stamp.tv_sec;
++ ret = 0; /* success */
++ }
++ return ret;
++}
++
++static inline int get_h3600_event(struct tsdev *ts, struct ts_sample *samp) {
++ struct h3600_ts_event evt;
++ int ret = read(ts->fd, &evt, sizeof(struct h3600_ts_event));
++ if (ret > 0) {
++ samp->x = evt.x;
++ samp->y = evt.y;
++ samp->pressure = evt.pressure;
++ gettimeofday(&samp->tv, NULL);
++ ret = 0; /* success */
++ }
++ return ret;
++}
++
++static inline int get_mk712_event(struct tsdev *ts, struct ts_sample *samp) {
++ struct mk712_ts_event evt;
++ int ret = read(ts->fd, &evt, sizeof(struct mk712_ts_event));
++ if (ret > 0) {
++ samp->x = (short)evt.x;
++ samp->y = (short)evt.y;
++ if(evt.header==0)
++ samp->pressure=1;
++ else
++ samp->pressure=0;
++ gettimeofday(&samp->tv, NULL);
++ ret = 0; /* success */
++ }
++ return ret;
++}
++
++static inline int get_arctic2_event(struct tsdev *ts, struct ts_sample *samp) {
++ struct arctic2_ts_event evt;
++ int ret = read(ts->fd, &evt, sizeof(struct arctic2_ts_event));
++ if (ret > 0) {
++ samp->x = (short)evt.x;
++ samp->y = (short)evt.y;
++ samp->pressure = evt.pressure;
++ gettimeofday(&samp->tv, NULL);
++ ret = 0; /* success */
++ }
++ return ret;
++}
++
++static inline int get_collie_event(struct tsdev *ts, struct ts_sample *samp) {
++ struct collie_ts_event evt;
++ int ret = read(ts->fd, &evt, sizeof(struct collie_ts_event));
++ if (ret > 0) {
++ samp->x = evt.x;
++ samp->y = evt.y;
++ samp->pressure = evt.pressure;
++ samp->tv.tv_usec = evt.millisecs % 1000;
++ samp->tv.tv_sec = evt.millisecs / 1000;
++ ret = 0; /* success */
++ }
++ return ret;
++}
++
++static inline int get_corgi_event(struct tsdev *ts, struct ts_sample *samp) {
++ struct corgi_ts_event evt;
++ int ret = read(ts->fd, &evt, sizeof(struct corgi_ts_event));
++ if (ret > 0) {
++ samp->x = evt.x;
++ samp->y = evt.y;
++ samp->pressure = evt.pressure;
++ samp->tv.tv_usec = evt.millisecs % 1000;
++ samp->tv.tv_sec = evt.millisecs / 1000;
++ ret = 0; /* success */
++ }
++ return ret;
++}
++
++#endif
++
++int ts_read_raw(struct tsdev *ts, struct ts_sample *samp, int nr)
++{
++ int ret;
++ int total = 0;
++ int pen_down = 1;
++ static short x_save = 0, y_save = 0;
++ static int pthres = -1;
++
++#ifndef USE_INPUT_API
++ char *tseventtype=NULL;
++ char *defaulttseventtype="UCB1x00";
+ tseventtype = getenv("TSLIB_TSEVENTTYPE");
+ if(tseventtype==NULL) tseventtype=defaulttseventtype;
++#endif
+
+- if( strcmp(tseventtype,"H3600") == 0) { /* iPAQ style h3600 touchscreen events */
+- hevt = alloca(sizeof(*hevt) * nr);
+- ret = read(ts->fd, hevt, sizeof(*hevt) * nr);
+- if(ret > 0) {
+- int nr = ret / sizeof(*hevt);
+- while(ret >= sizeof(*hevt)) {
+- samp->x = hevt->x;
+- samp->y = hevt->y;
+- samp->pressure = hevt->pressure;
+-#ifdef DEBUG
+- fprintf(stderr,"RAW---------------------------> %d %d %d\n",samp->x,samp->y,samp->pressure);
+-#endif /*DEBUG*/
+- gettimeofday(&samp->tv,NULL);
+- samp++;
+- hevt++;
+- ret -= sizeof(*hevt);
+- }
+- } else {
+- return -1;
+- }
+- } else if( strcmp(tseventtype,"MK712") == 0) { /* Hitachi Webpad events */
+- mevt = alloca(sizeof(*mevt) * nr);
+- ret = read(ts->fd, mevt, sizeof(*mevt) * nr);
+- if(ret > 0) {
+- int nr = ret / sizeof(*mevt);
+- while(ret >= sizeof(*mevt)) {
+- samp->x = (short)mevt->x;
+- samp->y = (short)mevt->y;
+- if(mevt->header==0)
+- samp->pressure=1;
+- else
+- samp->pressure=0;
+-#ifdef DEBUG
+- fprintf(stderr,"RAW---------------------------> %d %d %d\n",samp->x,samp->y,samp->pressure);
+-#endif /*DEBUG*/
+- gettimeofday(&samp->tv,NULL);
+- samp++;
+- mevt++;
+- ret -= sizeof(*mevt);
+- }
+- } else {
+- return -1;
+- }
+-
+- } else if( strcmp(tseventtype,"ARCTIC2") == 0) { /* IBM Arctic II events */
+- aevt = alloca(sizeof(*aevt) * nr);
+- ret = read(ts->fd, aevt, sizeof(*aevt) * nr);
+- if(ret > 0) {
+- int nr = ret / sizeof(*aevt);
+- while(ret >= sizeof(*aevt)) {
+- samp->x = (short)aevt->x;
+- samp->y = (short)aevt->y;
+- samp->pressure = aevt->pressure;
+-#ifdef DEBUG
+- fprintf(stderr,"RAW---------------------------> %d %d %d\n",samp->x,samp->y,samp->pressure);
+-#endif /*DEBUG*/
+- gettimeofday(&samp->tv,NULL);
+- samp++;
+- aevt++;
+- ret -= sizeof(*aevt);
+- }
++ while ((total < nr) && pen_down) {
++// fprintf(stdout, "total: %d, nr: %d\n", total, nr);
++#ifdef USE_INPUT_API
++ ret = get_input_event(ts, samp);
++#else
++ if (strcmp(tseventtype, "H3600") == 0) {
++ /* iPAQ style h3600 touchscreen events */
++ ret = get_h3600_event(ts, samp);
++ } else if (strcmp(tseventtype, "MK712") == 0) {
++ /* Hitachi Webpad events */
++ ret = get_mk712_event(ts, samp);
++ } else if (strcmp(tseventtype, "ARCTIC2") == 0) {
++ /* IBM Arctic II events */
++ ret = get_arctic2_event(ts, samp);
++ } else if (strcmp(tseventtype, "COLLIE") == 0) {
++ /* Sharp Zaurus SL-5000d/5500 events */
++ ret = get_collie_event(ts, samp);
++ } else if (strcmp(tseventtype,"CORGI") == 0) {
++ /* Sharp Zaurus SL-C700 events */
++ ret = get_corgi_event(ts, samp);
+ } else {
+- return -1;
++ /* Use normal UCB1x00 type events */
++ ret = get_ucb1x00_event(ts, samp);
+ }
++#endif
++ if (ret != 0) break;
+
+- } else if( strcmp(tseventtype,"COLLIE") == 0) { /* Sharp Zaurus SL-5000d/5500 events */
+- collie_evt = alloca(sizeof(*collie_evt) * nr);
+- ret = read(ts->fd, collie_evt, sizeof(*collie_evt) * nr);
+- if(ret > 0) {
+- int nr = ret / sizeof(*collie_evt);
+- while(ret >= sizeof(*collie_evt)) {
+- samp->x = collie_evt->x;
+- samp->y = collie_evt->y;
+- samp->pressure = collie_evt->pressure;
+-#ifdef DEBUG
+- fprintf(stderr,"RAW---------------------------> %d %d %d\n",samp->x,samp->y,samp->pressure);
+-#endif /*DEBUG*/
+- samp->tv.tv_usec = collie_evt->millisecs % 1000;
+- samp->tv.tv_sec = collie_evt->millisecs / 1000;
+- samp++;
+- collie_evt++;
+- ret -= sizeof(*collie_evt);
++ if (pthres == -1) {
++ char *pthresvar = getenv("TSLIB_PTHRES");
++ pthres = 100;
++ if (pthresvar != NULL) {
++ int p = strtol(pthresvar, (char **)NULL, 10);
++ if (p != -1) pthres = p;
+ }
+- } else {
+- return -1;
+ }
+
+- } else if( strcmp(tseventtype,"CORGI") == 0) { /* Sharp Zaurus SL-C700 events */
+- corgi_evt = alloca(sizeof(*corgi_evt) * nr);
+- ret = read(ts->fd, corgi_evt, sizeof(*corgi_evt) * nr);
+- if(ret > 0) {
+- int nr = ret / sizeof(*corgi_evt);
+- while(ret >= sizeof(*corgi_evt)) {
+- samp->x = corgi_evt->x;
+- samp->y = corgi_evt->y;
+- samp->pressure = corgi_evt->pressure;
+-#ifdef DEBUG
+- fprintf(stderr,"RAW---------------------------> %d %d %d\n",samp->x,samp->y,samp->pressure);
+-#endif /*DEBUG*/
+- samp->tv.tv_usec = corgi_evt->millisecs % 1000;
+- samp->tv.tv_sec = corgi_evt->millisecs / 1000;
+- samp++;
+- corgi_evt++;
+- ret -= sizeof(*corgi_evt);
+- }
++ if (samp->pressure < pthres) {
++ /* pen released, send events up */
++ pen_down = 0;
++ /* set x and y to previous values */
++ samp->x = x_save;
++ samp->y = y_save;
+ } else {
+- return -1;
++ pen_down = 1;
++ x_save = samp->x;
++ y_save = samp->y;
+ }
+-
+- } else { /* Use normal UCB1x00 type events */
+- evt = alloca(sizeof(*evt) * nr);
+- ret = read(ts->fd, evt, sizeof(*evt) * nr);
+- if(ret > 0) {
+- int nr = ret / sizeof(*evt);
+- while(ret >= sizeof(*evt)) {
+- samp->x = evt->x;
+- samp->y = evt->y;
+- samp->pressure = evt->pressure;
+ #ifdef DEBUG
+- fprintf(stderr,"RAW---------------------------> %d %d %d\n",samp->x,samp->y,samp->pressure);
++ fprintf(stderr,"RAW---------------------------> %d %d %d\n",samp->x, samp->y, samp->pressure);
+ #endif /*DEBUG*/
+- samp->tv.tv_usec = evt->stamp.tv_usec;
+- samp->tv.tv_sec = evt->stamp.tv_sec;
+- samp++;
+- evt++;
+- ret -= sizeof(*evt);
+- }
+- } else {
+- return -1;
+- }
++ samp++;
++ total++;
+ }
+- ret = nr;
+-#endif /* USE_INPUT_API */
+
++ if (ret != 0) ret = -1;
++ if (total) ret = total;
+ return ret;
+ }
+
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