File input-utils-absset.patch of Package input-utils

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File input-utils-absset.patch of Package input-utils

--- Makefile
+++ Makefile
@@ -57,3 +57,6 @@
 
 acceltest: acceltest.c
 	$(CC) $(CFLAGS) $(CPPFLAGS) -lm $^ -o $@
+
+absset: absset.c
+	$(CC) $(CFLAGS) $(CPPFLAGS) $^ -o $@
--- absset.c
+++ absset.c
@@ -0,0 +1,180 @@
+/*
+ * absset.c
+ * Sets Absolute limits/values
+ * Copyright 2009 Dan Streetman <ddstreet@ieee.org>
+ */
+
+/*
+ * 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 <fcntl.h>
+#include <linux/input.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <errno.h>
+
+char *progname;
+
+void print_usage()
+{
+	printf("Usage: %s [param...] <axis> <device>\n", progname);
+	printf("Modifies the parameters of an absolute-value axis.\n");
+	printf("\n");
+	printf("Params:\n");
+	printf("  -v --value=VALUE  Set the current value.\n");
+	printf("  -m --min=MIN      Set the minimum value.\n");
+	printf("  -M --max=MAX      Set the maximum value.\n");
+	printf("  -f --fuzz=FUZZ    Set the fuzz value.\n");
+	printf("  -F --flat=FLAT    Set the flat value.\n");
+	printf("\n");
+	printf("Axis setting:\n");
+	printf("  -a --axis=N       Change the values of axis number N.\n");
+	printf("  -x                Change the X axis values, same as '-a 0'.\n");
+	printf("  -y                Change the Y axis values, same as '-a 1'.\n");
+	printf("  -z                Change the Z axis values, same as '-a 2'.\n");
+}
+
+int set_axis(char *arg, int *axisSet)
+{
+	if (*axisSet) {
+		fprintf(stderr, "Cannot set more than 1 axis\n\n");
+		print_usage();
+		exit(1);
+	}
+
+	*axisSet = 1;
+
+	return strtol(arg, NULL, 0);
+}
+
+int main(int argc, char** argv)
+{
+	int fd = 0;
+	char *device_file_name;
+	int retval = 0;
+
+	int opt;
+	char *shortopts = "hv:m:M:f:F:a:xyz";
+	struct option longopts[] = {
+		{ "value", 1, NULL, 'v' },
+		{ "min", 1, NULL, 'm' },
+		{ "max", 1, NULL, 'M' },
+		{ "fuzz", 1, NULL, 'f' },
+		{ "flat", 1, NULL, 'F' },
+		{ "axis", 1, NULL, 'a' },
+		{ 0, 0, 0, 0 }
+	};
+
+	__s32 value=0, min=0, max=0, fuzz=0, flat=0, axis=0;
+	int valueSet=0, minSet=0, maxSet=0, fuzzSet=0, flatSet=0, axisSet=0;
+	struct input_absinfo *ia = NULL;
+
+	progname = argv[0];
+
+	while ((opt = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
+		switch (opt) {
+		case 'v': value = strtol(optarg, NULL, 0); valueSet = 1; break;
+		case 'm': min = strtol(optarg, NULL, 0); minSet = 1; break;
+		case 'M': max = strtol(optarg, NULL, 0); maxSet = 1; break;
+		case 'f': fuzz = strtol(optarg, NULL, 0); fuzzSet = 1; break;
+		case 'F': flat = strtol(optarg, NULL, 0); flatSet = 1; break;
+		case 'a': axis = set_axis(optarg, &axisSet); break;
+		case 'x': axis = set_axis("0", &axisSet); break;
+		case 'y': axis = set_axis("1", &axisSet); break;
+		case 'z': axis = set_axis("2", &axisSet); break;
+		case 'h': /* fall through */
+		default:
+			print_usage();
+			exit(1);
+		}
+	}
+
+	if (optind >= argc) {
+		fprintf(stderr, "No device node specified.\n\n");
+		print_usage();
+		exit(1);
+	}
+
+	device_file_name = argv[optind];
+
+	if (!valueSet && !minSet && !maxSet && !fuzzSet && !flatSet && !axisSet) {
+		fprintf(stderr, "No param specified.  You must specify at least one param.\n\n");
+		print_usage();
+		exit(1);
+	}
+
+	if (!axisSet) {
+		fprintf(stderr, "No axis specified.\n\n");
+		print_usage();
+		exit(1);
+	}
+
+	/* Open device */
+	fd = open(device_file_name, O_RDWR);
+	if (fd == -1) {
+		retval = -errno;
+		fprintf(stderr, "Error opening device %s : %s\n", device_file_name, strerror(-retval));
+		goto end;
+	}
+
+	if (!(ia = malloc(sizeof(*ia)))) {
+		fprintf(stderr, "Out of memory!\n");
+		retval = -ENOMEM;
+		goto end;
+	}
+
+	if (!valueSet || !minSet || !maxSet || !fuzzSet || !flatSet || !axisSet) {
+		if (ioctl(fd, EVIOCGABS(axis), ia) == -1) {
+			retval = -errno;
+			fprintf(stderr, "Error getting current axis %d values : %s\n", axis, strerror(-retval));
+			goto end;
+		}
+	}
+
+	if (valueSet)
+		ia->value = value;
+	if (minSet)
+		ia->minimum = min;
+	if (maxSet)
+		ia->maximum = max;
+	if (fuzzSet)
+		ia->fuzz = fuzz;
+	if (flatSet)
+		ia->flat = flat;
+	if (ioctl(fd, EVIOCSABS(axis), ia) == -1) {
+		fprintf(stderr, "Error setting axis %d values : %s\n", axis, strerror(errno));
+		retval = -1;
+	} else {
+		char *axisstr = "";
+		switch (axis) {
+		case 0: axisstr = " (X)"; break;
+		case 1: axisstr = " (Y)"; break;
+		case 2: axisstr = " (Z)"; break;
+		}
+		printf("Set axis %d%s parameters:\n\tvalue: %d\n\tminimum: %d\n\tmaximum: %d\n\tfuzz: %d\n\tflat: %d\n",
+			axis, axisstr, ia->value, ia->minimum, ia->maximum, ia->fuzz, ia->flat);
+	}
+
+end:
+	if (fd)
+		close(fd);
+	if (ia)
+		free(ia);
+	exit(retval);
+}

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File input-utils-absset.patch of Package input-utils

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