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Diffstat (limited to 'libsensors/input.c')
-rw-r--r--libsensors/input.c336
1 files changed, 0 insertions, 336 deletions
diff --git a/libsensors/input.c b/libsensors/input.c
deleted file mode 100644
index da3d6d7..0000000
--- a/libsensors/input.c
+++ /dev/null
@@ -1,336 +0,0 @@
-/*
- * Copyright (C) 2013 Paul Kocialkowski <contact@paulk.fr>
- *
- * 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 3 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdint.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <dirent.h>
-#include <linux/ioctl.h>
-#include <linux/input.h>
-#include <linux/uinput.h>
-
-#define LOG_TAG "smdk4x12_sensors"
-#include <utils/Log.h>
-
-#include "smdk4x12_sensors.h"
-
-void input_event_set(struct input_event *event, int type, int code, int value)
-{
- if (event == NULL)
- return;
-
- memset(event, 0, sizeof(struct input_event));
-
- event->type = type,
- event->code = code;
- event->value = value;
-
- gettimeofday(&event->time, NULL);
-}
-
-int64_t timestamp(struct timeval *time)
-{
- if (time == NULL)
- return -1;
-
- return time->tv_sec * 1000000000LL + time->tv_usec * 1000;
-}
-
-int64_t input_timestamp(struct input_event *event)
-{
- if (event == NULL)
- return -1;
-
- return timestamp(&event->time);
-}
-
-int uinput_rel_create(const char *name)
-{
- struct uinput_user_dev uinput_dev;
- int uinput_fd;
- int rc;
-
- if (name == NULL)
- return -1;
-
- uinput_fd = open("/dev/uinput", O_WRONLY | O_NONBLOCK);
- if (uinput_fd < 0) {
- ALOGE("%s: Unable to open uinput device", __func__);
- goto error;
- }
-
- memset(&uinput_dev, 0, sizeof(uinput_dev));
-
- strncpy(uinput_dev.name, name, sizeof(uinput_dev.name));
- uinput_dev.id.bustype = BUS_I2C;
- uinput_dev.id.vendor = 0;
- uinput_dev.id.product = 0;
- uinput_dev.id.version = 0;
-
- rc = 0;
- rc |= ioctl(uinput_fd, UI_SET_EVBIT, EV_REL);
- rc |= ioctl(uinput_fd, UI_SET_RELBIT, REL_X);
- rc |= ioctl(uinput_fd, UI_SET_RELBIT, REL_Y);
- rc |= ioctl(uinput_fd, UI_SET_RELBIT, REL_Z);
- rc |= ioctl(uinput_fd, UI_SET_RELBIT, REL_MISC);
- rc |= ioctl(uinput_fd, UI_SET_EVBIT, EV_SYN);
-
- if (rc < 0) {
- ALOGE("%s: Unable to set uinput bits", __func__);
- goto error;
- }
-
- rc = write(uinput_fd, &uinput_dev, sizeof(uinput_dev));
- if (rc < 0) {
- ALOGE("%s: Unable to write uinput device", __func__);
- goto error;
- }
-
- rc = ioctl(uinput_fd, UI_DEV_CREATE);
- if (rc < 0) {
- ALOGE("%s: Unable to create uinput device", __func__);
- goto error;
- }
-
- usleep(3000);
-
- return uinput_fd;
-
-error:
- if (uinput_fd >= 0)
- close(uinput_fd);
-
- return -1;
-}
-
-void uinput_destroy(int uinput_fd)
-{
- if (uinput_fd < 0)
- return;
-
- ioctl(uinput_fd, UI_DEV_DESTROY);
-}
-
-int input_open(char *name)
-{
- DIR *d;
- struct dirent *di;
-
- char input_name[80] = { 0 };
- char path[PATH_MAX];
- char *c;
- int fd;
- int rc;
-
- if (name == NULL)
- return -EINVAL;
-
- d = opendir("/dev/input");
- if (d == NULL)
- return -1;
-
- while ((di = readdir(d))) {
- if (di == NULL || strcmp(di->d_name, ".") == 0 || strcmp(di->d_name, "..") == 0)
- continue;
-
- snprintf(path, PATH_MAX, "/dev/input/%s", di->d_name);
- fd = open(path, O_RDONLY | O_NONBLOCK);
- if (fd < 0)
- continue;
-
- rc = ioctl(fd, EVIOCGNAME(sizeof(input_name) - 1), &input_name);
- if (rc < 0)
- continue;
-
- c = strstr((char *) &input_name, "\n");
- if (c != NULL)
- *c = '\0';
-
- if (strcmp(input_name, name) == 0)
- return fd;
- else
- close(fd);
- }
-
- return -1;
-}
-
-int sysfs_path_prefix(char *name, char *path_prefix)
-{
- DIR *d;
- struct dirent *di;
-
- char input_name[80] = { 0 };
- char path[PATH_MAX];
- char *c;
- int fd;
-
- if (name == NULL || path_prefix == NULL)
- return -EINVAL;
-
- d = opendir("/sys/class/input");
- if (d == NULL)
- return -1;
-
- while ((di = readdir(d))) {
- if (di == NULL || strcmp(di->d_name, ".") == 0 || strcmp(di->d_name, "..") == 0)
- continue;
-
- snprintf(path, PATH_MAX, "/sys/class/input/%s/name", di->d_name);
-
- fd = open(path, O_RDONLY);
- if (fd < 0)
- continue;
-
- read(fd, &input_name, sizeof(input_name));
- close(fd);
-
- c = strstr((char *) &input_name, "\n");
- if (c != NULL)
- *c = '\0';
-
- if (strcmp(input_name, name) == 0) {
- snprintf(path_prefix, PATH_MAX, "/sys/class/input/%s", di->d_name);
- return 0;
- }
- }
-
- return -1;
-}
-
-int64_t sysfs_value_read(char *path)
-{
- char buffer[100];
- int64_t value;
- int fd = -1;
- int rc;
-
- if (path == NULL)
- return -1;
-
- fd = open(path, O_RDONLY);
- if (fd < 0)
- goto error;
-
- rc = read(fd, &buffer, sizeof(buffer));
- if (rc <= 0)
- goto error;
-
- value = (int64_t)strtoimax(buffer, NULL, 10);
- goto complete;
-
-error:
- value = -1;
-
-complete:
- if (fd >= 0)
- close(fd);
-
- return value;
-}
-
-int sysfs_value_write(char *path, int64_t value)
-{
- char buffer[100];
- int fd = -1;
- int rc;
-
- if (path == NULL)
- return -1;
-
- fd = open(path, O_WRONLY);
- if (fd < 0)
- goto error;
-
- snprintf((char *) &buffer, sizeof(buffer), "%" PRId64 "\n", value);
-
- rc = write(fd, buffer, strlen(buffer));
- if (rc < (int) strlen(buffer))
- goto error;
-
- rc = 0;
- goto complete;
-
-error:
- rc = -1;
-
-complete:
- if (fd >= 0)
- close(fd);
-
- return rc;
-}
-
-int sysfs_string_read(char *path, char *buffer, size_t length)
-{
- int fd = -1;
- int rc;
-
- if (path == NULL || buffer == NULL || length == 0)
- return -1;
-
- fd = open(path, O_RDONLY);
- if (fd < 0)
- goto error;
-
- rc = read(fd, buffer, length);
- if (rc <= 0)
- goto error;
-
- rc = 0;
- goto complete;
-
-error:
- rc = -1;
-
-complete:
- if (fd >= 0)
- close(fd);
-
- return rc;
-}
-
-int sysfs_string_write(char *path, char *buffer, size_t length)
-{
- int fd = -1;
- int rc;
-
- if (path == NULL || buffer == NULL || length == 0)
- return -1;
-
- fd = open(path, O_WRONLY);
- if (fd < 0)
- goto error;
-
- rc = write(fd, buffer, length);
- if (rc <= 0)
- goto error;
-
- rc = 0;
- goto complete;
-
-error:
- rc = -1;
-
-complete:
- if (fd >= 0)
- close(fd);
-
- return rc;
-}
generated by cgit v1.1 at 2024-04-20 02:23:11 +0000