diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | Makefile.am | 13 | ||||
| -rw-r--r-- | rules/61-accelerometer.rules | 3 | ||||
| l--------- | src/udev/accelerometer/Makefile | 1 | ||||
| -rw-r--r-- | src/udev/accelerometer/accelerometer.c | 303 |
5 files changed, 0 insertions, 321 deletions
diff --git a/.gitignore b/.gitignore index 1e704a872b..99f361d555 100644 --- a/.gitignore +++ b/.gitignore @@ -26,7 +26,6 @@ /GRTAGS /GSYMS /GTAGS -/accelerometer /ata_id /bootctl /build-aux diff --git a/Makefile.am b/Makefile.am index 810a147268..7ac3c1d7eb 100644 --- a/Makefile.am +++ b/Makefile.am @@ -3801,19 +3801,6 @@ dist_udevrules_DATA += \ rules/60-persistent-v4l.rules # ------------------------------------------------------------------------------ -accelerometer_SOURCES = \ - src/udev/accelerometer/accelerometer.c - -accelerometer_LDADD = \ - libshared.la - -udevlibexec_PROGRAMS += \ - accelerometer - -dist_udevrules_DATA += \ - rules/61-accelerometer.rules - -# ------------------------------------------------------------------------------ mtd_probe_SOURCES = \ src/udev/mtd_probe/mtd_probe.c \ src/udev/mtd_probe/mtd_probe.h \ diff --git a/rules/61-accelerometer.rules b/rules/61-accelerometer.rules deleted file mode 100644 index a6a2bfd088..0000000000 --- a/rules/61-accelerometer.rules +++ /dev/null @@ -1,3 +0,0 @@ -# do not edit this file, it will be overwritten on update - -SUBSYSTEM=="input", ACTION!="remove", ENV{ID_INPUT_ACCELEROMETER}=="1", IMPORT{program}="accelerometer %p" diff --git a/src/udev/accelerometer/Makefile b/src/udev/accelerometer/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/udev/accelerometer/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile
\ No newline at end of file diff --git a/src/udev/accelerometer/accelerometer.c b/src/udev/accelerometer/accelerometer.c deleted file mode 100644 index 9e2c590c15..0000000000 --- a/src/udev/accelerometer/accelerometer.c +++ /dev/null @@ -1,303 +0,0 @@ -/* - * accelerometer - exports device orientation through property - * - * When an "change" event is received on an accelerometer, - * open its device node, and from the value, as well as the previous - * value of the property, calculate the device's new orientation, - * and export it as ID_INPUT_ACCELEROMETER_ORIENTATION. - * - * Possible values are: - * undefined - * * normal - * * bottom-up - * * left-up - * * right-up - * - * The property will be persistent across sessions, and the new - * orientations can be deducted from the previous one (it allows - * for a threshold for switching between opposite ends of the - * orientation). - * - * Copyright (C) 2011 Red Hat, Inc. - * Author: - * Bastien Nocera <hadess@hadess.net> - * - * orientation_calc() from the sensorfw package - * Copyright (C) 2009-2010 Nokia Corporation - * Authors: - * Üstün Ergenoglu <ext-ustun.ergenoglu@nokia.com> - * Timo Rongas <ext-timo.2.rongas@nokia.com> - * Lihan Guo <lihan.guo@digia.com> - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <string.h> -#include <math.h> -#include <stdlib.h> -#include <getopt.h> -#include <limits.h> -#include <linux/input.h> - -#include "libudev.h" -#include "libudev-private.h" - -/* we must use this kernel-compatible implementation */ -#define BITS_PER_LONG (sizeof(unsigned long) * 8) -#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1) -#define OFF(x) ((x)%BITS_PER_LONG) -#define BIT(x) (1UL<<OFF(x)) -#define LONG(x) ((x)/BITS_PER_LONG) -#define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1) - -typedef enum { - ORIENTATION_UNDEFINED, - ORIENTATION_NORMAL, - ORIENTATION_BOTTOM_UP, - ORIENTATION_LEFT_UP, - ORIENTATION_RIGHT_UP -} OrientationUp; - -static const char *orientations[] = { - "undefined", - "normal", - "bottom-up", - "left-up", - "right-up", - NULL -}; - -#define ORIENTATION_UP_UP ORIENTATION_NORMAL - -#define DEFAULT_THRESHOLD 250 -#define RADIANS_TO_DEGREES 180.0/M_PI -#define SAME_AXIS_LIMIT 5 - -#define THRESHOLD_LANDSCAPE 25 -#define THRESHOLD_PORTRAIT 20 - -static const char * -orientation_to_string (OrientationUp o) -{ - return orientations[o]; -} - -static OrientationUp -string_to_orientation (const char *orientation) -{ - int i; - - if (orientation == NULL) - return ORIENTATION_UNDEFINED; - for (i = 0; orientations[i] != NULL; i++) { - if (streq (orientation, orientations[i])) - return i; - } - return ORIENTATION_UNDEFINED; -} - -static OrientationUp -orientation_calc (OrientationUp prev, - int x, int y, int z) -{ - int rotation; - OrientationUp ret = prev; - - /* Portrait check */ - rotation = round(atan((double) x / sqrt(y * y + z * z)) * RADIANS_TO_DEGREES); - - if (abs(rotation) > THRESHOLD_PORTRAIT) { - ret = (rotation < 0) ? ORIENTATION_LEFT_UP : ORIENTATION_RIGHT_UP; - - /* Some threshold to switching between portrait modes */ - if (prev == ORIENTATION_LEFT_UP || prev == ORIENTATION_RIGHT_UP) { - if (abs(rotation) < SAME_AXIS_LIMIT) { - ret = prev; - } - } - - } else { - /* Landscape check */ - rotation = round(atan((double) y / sqrt(x * x + z * z)) * RADIANS_TO_DEGREES); - - if (abs(rotation) > THRESHOLD_LANDSCAPE) { - ret = (rotation < 0) ? ORIENTATION_BOTTOM_UP : ORIENTATION_NORMAL; - - /* Some threshold to switching between landscape modes */ - if (prev == ORIENTATION_BOTTOM_UP || prev == ORIENTATION_NORMAL) { - if (abs(rotation) < SAME_AXIS_LIMIT) { - ret = prev; - } - } - } - } - - return ret; -} - -static OrientationUp -get_prev_orientation(struct udev_device *dev) -{ - const char *value; - - value = udev_device_get_property_value(dev, "ID_INPUT_ACCELEROMETER_ORIENTATION"); - if (value == NULL) - return ORIENTATION_UNDEFINED; - return string_to_orientation(value); -} - -#define READ_AXIS(axis, var) { memzero(&abs_info, sizeof(abs_info)); r = ioctl(fd, EVIOCGABS(axis), &abs_info); if (r < 0) return; var = abs_info.value; } - -/* accelerometers */ -static void test_orientation(struct udev *udev, - struct udev_device *dev, - const char *devpath) -{ - OrientationUp old, new; - _cleanup_close_ int fd = -1; - struct input_absinfo abs_info; - int x = 0, y = 0, z = 0; - int r; - char text[64]; - - old = get_prev_orientation(dev); - - fd = open(devpath, O_RDONLY|O_CLOEXEC); - if (fd < 0) - return; - - READ_AXIS(ABS_X, x); - READ_AXIS(ABS_Y, y); - READ_AXIS(ABS_Z, z); - - new = orientation_calc(old, x, y, z); - snprintf(text, sizeof(text), - "ID_INPUT_ACCELEROMETER_ORIENTATION=%s", orientation_to_string(new)); - puts(text); -} - -static void help(void) { - - printf("%s [options] <device path>\n\n" - "Accelerometer device identification.\n\n" - " -h --help Print this message\n" - " -d --debug Debug to stderr\n" - , program_invocation_short_name); -} - -int main (int argc, char** argv) -{ - struct udev *udev; - struct udev_device *dev; - - static const struct option options[] = { - { "debug", no_argument, NULL, 'd' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - - char devpath[PATH_MAX]; - char *devnode; - struct udev_enumerate *enumerate; - struct udev_list_entry *list_entry; - - log_parse_environment(); - log_open(); - - udev = udev_new(); - if (udev == NULL) - return 1; - - /* CLI argument parsing */ - while (1) { - int option; - - option = getopt_long(argc, argv, "dh", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'd': - log_set_target(LOG_TARGET_CONSOLE); - log_set_max_level(LOG_DEBUG); - log_open(); - break; - case 'h': - help(); - exit(0); - default: - exit(1); - } - } - - if (argv[optind] == NULL) { - help(); - exit(1); - } - - /* get the device */ - snprintf(devpath, sizeof(devpath), "/sys/%s", argv[optind]); - dev = udev_device_new_from_syspath(udev, devpath); - if (dev == NULL) { - fprintf(stderr, "unable to access '%s'\n", devpath); - return 1; - } - - /* Get the children devices and find the devnode */ - devnode = NULL; - enumerate = udev_enumerate_new(udev); - udev_enumerate_add_match_parent(enumerate, dev); - udev_enumerate_scan_devices(enumerate); - udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) { - struct udev_device *device; - const char *node; - - device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate), - udev_list_entry_get_name(list_entry)); - if (device == NULL) - continue; - /* Already found it */ - if (devnode != NULL) { - udev_device_unref(device); - continue; - } - - node = udev_device_get_devnode(device); - if (node == NULL) { - udev_device_unref(device); - continue; - } - /* Use the event sub-device */ - if (strstr(node, "/event") == NULL) { - udev_device_unref(device); - continue; - } - - devnode = strdup(node); - udev_device_unref(device); - } - - if (devnode == NULL) { - fprintf(stderr, "unable to get device node for '%s'\n", devpath); - return 0; - } - - log_debug("opening accelerometer device %s", devnode); - test_orientation(udev, dev, devnode); - free(devnode); - log_close(); - return 0; -} |