#
# This patch adds support for one wire input raw module (Linux /dev/touchscreen-1wire support).
#
# Signed-off-by: Richard Nee <
richard.nee.cn@gmail.com>
#
--- tslib.orig/configure.ac 2012-05-07 22:28:42.000000000 +0800
+++ tslib/configure.ac 2012-05-07 23:53:18.849542215 +0800
@@ -68,6 +68,7 @@
TSLIB_CHECK_MODULE([dmc], [yes], [Enable building of dmc raw module (HP iPaq DMC support)])
TSLIB_CHECK_MODULE([input], [yes], [Enable building of generic input raw module (Linux /dev/input/eventN support)])
TSLIB_CHECK_MODULE([touchkit], [yes], [Enable building of serial TouchKit raw module (Linux /dev/ttySX support)])
+TSLIB_CHECK_MODULE([one-wire-ts-input], [yes], [Enable building of one wire input raw module (Linux /dev/touchscreen-1wire support)])
AC_MSG_CHECKING([where to place modules])
AC_ARG_WITH(plugindir,
--- tslib.orig/plugins/Makefile.am 2012-05-07 22:28:42.000000000 +0800
+++ tslib/plugins/Makefile.am 2012-05-08 00:08:59.229542649 +0800
@@ -114,6 +114,12 @@
CY8MRLN_PALMPRE_MODULE =
endif
+if ENABLE_ONE_WIRE_TS_INPUT_MODULE
+ONE_WIRE_TS_INPUT_MODULE = one_wire_ts_input.la
+else
+ONE_WIRE_TS_INPUT_MODULE =
+endif
+
pluginexec_LTLIBRARIES = \
$(LINEAR_MODULE) \
$(DEJITTER_MODULE) \
@@ -130,7 +136,8 @@
$(H2200_LINEAR_MODULE) \
$(INPUT_MODULE) \
$(TOUCHKIT_MODULE) \
- $(CY8MRLN_PALMPRE_MODULE)
+ $(CY8MRLN_PALMPRE_MODULE) \
+ $(ONE_WIRE_TS_INPUT_MODULE)
variance_la_SOURCES = variance.c
variance_la_LDFLAGS = -module $(LTVSN)
@@ -185,3 +192,6 @@
cy8mrln_palmpre_la_SOURCES = cy8mrln-palmpre.c
cy8mrln_palmpre_la_LDFLAGS = -module $(LTVSN)
+
+one_wire_ts_input_la_SOURCES = one-wire-ts-input.c
+one_wire_ts_input_la_LDFLAGS = -module $(LTVSN)
--- tslib.orig/plugins/plugins.h 2012-05-07 22:28:42.000000000 +0800
+++ tslib/plugins/plugins.h 2012-05-07 23:57:38.369542335 +0800
@@ -16,3 +16,4 @@
TSLIB_DECLARE_MODULE(tatung);
TSLIB_DECLARE_MODULE(input);
TSLIB_DECLARE_MODULE(cy8mrln_palmpre);
+TSLIB_DECLARE_MODULE(one_wire_ts_input);
--- /dev/null 2012-05-08 11:52:49.481035009 +0800
+++ tslib/plugins/one-wire-ts-input.c 2012-05-08 12:04:38.749035337 +0800
@@ -0,0 +1,66 @@
+#include <termios.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <linux/fs.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/utsname.h>
+#include <time.h>
+
+#include "config.h"
+#include "tslib-private.h"
+
+static int misc_read(struct tslib_module_info *inf, struct ts_sample *samp, int nr)
+{
+ struct tsdev *ts = inf->dev;
+
+ int ret;
+ unsigned ts_status;
+ ret = read(ts->fd, &ts_status, sizeof ts_status);
+ if (ret < 0) {
+ return 0;
+ }
+ if (ret == 0) {
+ return 0;
+ }
+
+ samp->x = ((ts_status) >> 16) & 0x7FFF;
+ samp->y = ts_status & 0x7FFF;
+ samp->pressure = ts_status >> 31;
+ gettimeofday(&samp->tv,NULL);
+ nr = nr;
+
+ return 1;
+}
+static int ts_fini(struct tslib_module_info *inf)
+{
+ free(inf);
+ return 0;
+}
+
+static const struct tslib_ops misc_ops =
+{
+ .read = misc_read,
+ .fini = ts_fini,
+};
+
+TSAPI struct tslib_module_info *one_wire_ts_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 = &misc_ops;
+ return m;
+}
+
+#ifndef TSLIB_STATIC_FRIENDLYARM_TS_MODULE
+TSLIB_MODULE_INIT(one_wire_ts_mod_init);
+#endif
