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-rw-r--r--libsensors_iio/SensorBase.cpp285
1 files changed, 143 insertions, 142 deletions
diff --git a/libsensors_iio/SensorBase.cpp b/libsensors_iio/SensorBase.cpp
index 0cf17af..fd0e2ca 100644
--- a/libsensors_iio/SensorBase.cpp
+++ b/libsensors_iio/SensorBase.cpp
@@ -1,142 +1,143 @@
-/*
-* Copyright (C) 2012 Invensense, Inc.
-*
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-* http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-
-#include <fcntl.h>
-#include <errno.h>
-#include <math.h>
-#include <poll.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <sys/select.h>
-#include <cutils/log.h>
-#include <linux/input.h>
-
-#include "SensorBase.h"
-
-/*****************************************************************************/
-
-SensorBase::SensorBase(const char* dev_name,
- const char* data_name) : dev_name(dev_name),
- data_name(data_name),
- dev_fd(-1),
- data_fd(-1)
-{
- if (data_name) {
- data_fd = openInput(data_name);
- }
-}
-
-SensorBase::~SensorBase()
-{
- if (data_fd >= 0) {
- close(data_fd);
- }
- if (dev_fd >= 0) {
- close(dev_fd);
- }
-}
-
-int SensorBase::open_device()
-{
- if (dev_fd<0 && dev_name) {
- dev_fd = open(dev_name, O_RDONLY);
- LOGE_IF(dev_fd<0, "Couldn't open %s (%s)", dev_name, strerror(errno));
- }
- return 0;
-}
-
-int SensorBase::close_device()
-{
- if (dev_fd >= 0) {
- close(dev_fd);
- dev_fd = -1;
- }
- return 0;
-}
-
-int SensorBase::getFd() const
-{
- if (!data_name) {
- return dev_fd;
- }
- return data_fd;
-}
-
-int SensorBase::setDelay(int32_t handle, int64_t ns)
-{
- return 0;
-}
-
-bool SensorBase::hasPendingEvents() const
-{
- return false;
-}
-
-int64_t SensorBase::getTimestamp()
-{
- struct timespec t;
- t.tv_sec = t.tv_nsec = 0;
- clock_gettime(CLOCK_MONOTONIC, &t);
- return int64_t(t.tv_sec) * 1000000000LL + t.tv_nsec;
-}
-
-int SensorBase::openInput(const char *inputName)
-{
- int fd = -1;
- const char *dirname = "/dev/input";
- char devname[PATH_MAX];
- char *filename;
- DIR *dir;
- struct dirent *de;
- dir = opendir(dirname);
- if(dir == NULL)
- return -1;
- strcpy(devname, dirname);
- filename = devname + strlen(devname);
- *filename++ = '/';
- while((de = readdir(dir))) {
- if(de->d_name[0] == '.' &&
- (de->d_name[1] == '\0' ||
- (de->d_name[1] == '.' && de->d_name[2] == '\0')))
- continue;
- strcpy(filename, de->d_name);
- fd = open(devname, O_RDONLY);
- LOGV_IF(EXTRA_VERBOSE, "path open %s", devname);
- LOGI("path open %s", devname);
- if (fd >= 0) {
- char name[80];
- if (ioctl(fd, EVIOCGNAME(sizeof(name) - 1), &name) < 1) {
- name[0] = '\0';
- }
- LOGV_IF(EXTRA_VERBOSE, "name read %s", name);
- if (!strcmp(name, inputName)) {
- strcpy(input_name, filename);
- break;
- } else {
- close(fd);
- fd = -1;
- }
- }
- }
- closedir(dir);
- LOGE_IF(fd < 0, "couldn't find '%s' input device", inputName);
- return fd;
-}
-
-int SensorBase::enable(int32_t handle, int enabled)
-{
- return 0;
-}
+/*
+* Copyright (C) 2012 Invensense, Inc.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include <fcntl.h>
+#include <errno.h>
+#include <math.h>
+#include <poll.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <sys/select.h>
+#include <cutils/log.h>
+#include <linux/input.h>
+
+#include "SensorBase.h"
+#include "local_log_def.h"
+
+/*****************************************************************************/
+
+SensorBase::SensorBase(const char* dev_name,
+ const char* data_name) : dev_name(dev_name),
+ data_name(data_name),
+ dev_fd(-1),
+ data_fd(-1)
+{
+ if (data_name) {
+ data_fd = openInput(data_name);
+ }
+}
+
+SensorBase::~SensorBase()
+{
+ if (data_fd >= 0) {
+ close(data_fd);
+ }
+ if (dev_fd >= 0) {
+ close(dev_fd);
+ }
+}
+
+int SensorBase::open_device()
+{
+ if (dev_fd<0 && dev_name) {
+ dev_fd = open(dev_name, O_RDONLY);
+ LOGE_IF(dev_fd<0, "Couldn't open %s (%s)", dev_name, strerror(errno));
+ }
+ return 0;
+}
+
+int SensorBase::close_device()
+{
+ if (dev_fd >= 0) {
+ close(dev_fd);
+ dev_fd = -1;
+ }
+ return 0;
+}
+
+int SensorBase::getFd() const
+{
+ if (!data_name) {
+ return dev_fd;
+ }
+ return data_fd;
+}
+
+int SensorBase::setDelay(int32_t handle, int64_t ns)
+{
+ return 0;
+}
+
+bool SensorBase::hasPendingEvents() const
+{
+ return false;
+}
+
+int64_t SensorBase::getTimestamp()
+{
+ struct timespec t;
+ t.tv_sec = t.tv_nsec = 0;
+ clock_gettime(CLOCK_MONOTONIC, &t);
+ return int64_t(t.tv_sec) * 1000000000LL + t.tv_nsec;
+}
+
+int SensorBase::openInput(const char *inputName)
+{
+ int fd = -1;
+ const char *dirname = "/dev/input";
+ char devname[PATH_MAX];
+ char *filename;
+ DIR *dir;
+ struct dirent *de;
+ dir = opendir(dirname);
+ if(dir == NULL)
+ return -1;
+ strcpy(devname, dirname);
+ filename = devname + strlen(devname);
+ *filename++ = '/';
+ while((de = readdir(dir))) {
+ if(de->d_name[0] == '.' &&
+ (de->d_name[1] == '\0' ||
+ (de->d_name[1] == '.' && de->d_name[2] == '\0')))
+ continue;
+ strcpy(filename, de->d_name);
+ fd = open(devname, O_RDONLY);
+ LOGV_IF(EXTRA_VERBOSE, "path open %s", devname);
+ LOGI("path open %s", devname);
+ if (fd >= 0) {
+ char name[80];
+ if (ioctl(fd, EVIOCGNAME(sizeof(name) - 1), &name) < 1) {
+ name[0] = '\0';
+ }
+ LOGV_IF(EXTRA_VERBOSE, "name read %s", name);
+ if (!strcmp(name, inputName)) {
+ strcpy(input_name, filename);
+ break;
+ } else {
+ close(fd);
+ fd = -1;
+ }
+ }
+ }
+ closedir(dir);
+ LOGE_IF(fd < 0, "couldn't find '%s' input device", inputName);
+ return fd;
+}
+
+int SensorBase::enable(int32_t handle, int enabled)
+{
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-26 18:45:55 +0000