diff options
Diffstat (limited to 'libsensors_iio/sensors_mpl.cpp')
-rw-r--r-- | libsensors_iio/sensors_mpl.cpp | 496 |
1 files changed, 236 insertions, 260 deletions
diff --git a/libsensors_iio/sensors_mpl.cpp b/libsensors_iio/sensors_mpl.cpp index 50bf315..990c5f5 100644 --- a/libsensors_iio/sensors_mpl.cpp +++ b/libsensors_iio/sensors_mpl.cpp @@ -1,260 +1,236 @@ -/* -* 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. -*/ - -#define FUNC_LOG LOGV("%s", __PRETTY_FUNCTION__) - -#include <hardware/sensors.h> -#include <fcntl.h> -#include <errno.h> -#include <dirent.h> -#include <math.h> -#include <poll.h> -#include <pthread.h> -#include <stdlib.h> - -#include <linux/input.h> - -#include <utils/Atomic.h> -#include <utils/Log.h> - -#include "sensors.h" -#include "MPLSensor.h" - -/*****************************************************************************/ -/* The SENSORS Module */ - -#ifdef ENABLE_DMP_SCREEN_AUTO_ROTATION -#define LOCAL_SENSORS (MPLSensor::NUMSENSORS + 1) -#else -#define LOCAL_SENSORS MPLSensor::NUMSENSORS -#endif - -/* Vendor-defined Accel Load Calibration File Method -* @param[out] Accel bias, length 3. In HW units scaled by 2^16 in body frame -* @return '0' for a successful load, '1' otherwise -* example: int AccelLoadConfig(long* offset); -* End of Vendor-defined Accel Load Cal Method -*/ - -static struct sensor_t sSensorList[LOCAL_SENSORS]; -static int sensors = (sizeof(sSensorList) / sizeof(sensor_t)); - -static int open_sensors(const struct hw_module_t* module, const char* id, - struct hw_device_t** device); - -static int sensors__get_sensors_list(struct sensors_module_t* module, - struct sensor_t const** list) -{ - *list = sSensorList; - return sensors; -} - -static struct hw_module_methods_t sensors_module_methods = { - open: open_sensors -}; - -struct sensors_module_t HAL_MODULE_INFO_SYM = { - common: { - tag: HARDWARE_MODULE_TAG, - version_major: 1, - version_minor: 0, - id: SENSORS_HARDWARE_MODULE_ID, - name: "Invensense module", - author: "Invensense Inc.", - methods: &sensors_module_methods, - }, - get_sensors_list: sensors__get_sensors_list, -}; - -struct sensors_poll_context_t { - struct sensors_poll_device_t device; // must be first - - sensors_poll_context_t(); - ~sensors_poll_context_t(); - int activate(int handle, int enabled); - int setDelay(int handle, int64_t ns); - int pollEvents(sensors_event_t* data, int count); - -private: - enum { - mpl = 0, - compass, - dmpOrient, - numSensorDrivers, // wake pipe goes here - numFds, - }; - - struct pollfd mPollFds[numSensorDrivers]; - SensorBase *mSensor; - CompassSensor *mCompassSensor; -}; - -/******************************************************************************/ - -sensors_poll_context_t::sensors_poll_context_t() { - VFUNC_LOG; - - mCompassSensor = new CompassSensor(); - MPLSensor *mplSensor = new MPLSensor(mCompassSensor); - - /* For Vendor-defined Accel Calibration File Load - * Use the Following Constructor and Pass Your Load Cal File Function - * - * MPLSensor *mplSensor = new MPLSensor(mCompassSensor, AccelLoadConfig); - */ - - // setup the callback object for handing mpl callbacks - setCallbackObject(mplSensor); - - // populate the sensor list - sensors = - mplSensor->populateSensorList(sSensorList, sizeof(sSensorList)); - - mSensor = mplSensor; - mPollFds[mpl].fd = mSensor->getFd(); - mPollFds[mpl].events = POLLIN; - mPollFds[mpl].revents = 0; - - mPollFds[compass].fd = mCompassSensor->getFd(); - mPollFds[compass].events = POLLIN; - mPollFds[compass].revents = 0; - - mPollFds[dmpOrient].fd = ((MPLSensor*) mSensor)->getDmpOrientFd(); - mPollFds[dmpOrient].events = POLLPRI; - mPollFds[dmpOrient].revents = 0; -} - -sensors_poll_context_t::~sensors_poll_context_t() { - FUNC_LOG; - delete mSensor; - delete mCompassSensor; -} - -int sensors_poll_context_t::activate(int handle, int enabled) { - FUNC_LOG; - return mSensor->enable(handle, enabled); -} - -int sensors_poll_context_t::setDelay(int handle, int64_t ns) -{ - FUNC_LOG; - return mSensor->setDelay(handle, ns); -} - -int sensors_poll_context_t::pollEvents(sensors_event_t *data, int count) -{ - VHANDLER_LOG; - - int nbEvents = 0; - int nb, polltime = -1; - - // look for new events - nb = poll(mPollFds, numSensorDrivers, polltime); - - if (nb > 0) { - for (int i = 0; count && i < numSensorDrivers; i++) { - if (mPollFds[i].revents & (POLLIN | POLLPRI)) { - nb = 0; - if (i == mpl) { - nb = mSensor->readEvents(NULL, 0); - mPollFds[i].revents = 0; - } - else if (i == compass) { - nb = ((MPLSensor*) mSensor)->readCompassEvents(NULL, 0); - mPollFds[i].revents = 0; - } - } - } - nb = ((MPLSensor*) mSensor)->executeOnData(data, count); - if (nb > 0) { - count -= nb; - nbEvents += nb; - data += nb; - } - - if (mPollFds[dmpOrient].revents & (POLLIN | POLLPRI)) { - nb = ((MPLSensor*) mSensor)->readDmpOrientEvents(data, count); - mPollFds[dmpOrient].revents= 0; - if (isDmpScreenAutoRotationEnabled() && nb > 0) { - count -= nb; - nbEvents += nb; - data += nb; - } - } - } - - return nbEvents; -} - -/******************************************************************************/ - -static int poll__close(struct hw_device_t *dev) -{ - FUNC_LOG; - sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev; - if (ctx) { - delete ctx; - } - return 0; -} - -static int poll__activate(struct sensors_poll_device_t *dev, - int handle, int enabled) -{ - sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev; - return ctx->activate(handle, enabled); -} - -static int poll__setDelay(struct sensors_poll_device_t *dev, - int handle, int64_t ns) -{ - sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev; - int s= ctx->setDelay(handle, ns); - return s; -} - -static int poll__poll(struct sensors_poll_device_t *dev, - sensors_event_t* data, int count) -{ - sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev; - return ctx->pollEvents(data, count); -} - -/******************************************************************************/ - -/** Open a new instance of a sensor device using name */ -static int open_sensors(const struct hw_module_t* module, const char* id, - struct hw_device_t** device) -{ - FUNC_LOG; - int status = -EINVAL; - sensors_poll_context_t *dev = new sensors_poll_context_t(); - - memset(&dev->device, 0, sizeof(sensors_poll_device_t)); - - dev->device.common.tag = HARDWARE_DEVICE_TAG; - dev->device.common.version = 0; - dev->device.common.module = const_cast<hw_module_t*>(module); - dev->device.common.close = poll__close; - dev->device.activate = poll__activate; - dev->device.setDelay = poll__setDelay; - dev->device.poll = poll__poll; - - *device = &dev->device.common; - status = 0; - - return status; -} +/*
+* 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.
+*/
+
+#define FUNC_LOG LOGV("%s", __PRETTY_FUNCTION__)
+
+#include <hardware/sensors.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <dirent.h>
+#include <math.h>
+#include <poll.h>
+#include <pthread.h>
+#include <stdlib.h>
+
+#include <linux/input.h>
+
+#include <utils/Atomic.h>
+#include <utils/Log.h>
+
+#include "sensors.h"
+#include "MPLSensor.h"
+#include "local_log_def.h"
+
+/*****************************************************************************/
+/* The SENSORS Module */
+#define LOCAL_SENSORS (7)
+
+static struct sensor_t sSensorList[7];
+static int numSensors = LOCAL_SENSORS;
+
+static int open_sensors(const struct hw_module_t* module, const char* id,
+ struct hw_device_t** device);
+
+static int sensors__get_sensors_list(struct sensors_module_t* module,
+ struct sensor_t const** list)
+{
+ *list = sSensorList;
+ return numSensors;
+}
+
+static struct hw_module_methods_t sensors_module_methods = {
+ open: open_sensors
+};
+
+struct sensors_module_t HAL_MODULE_INFO_SYM = {
+ common: {
+ tag: HARDWARE_MODULE_TAG,
+ version_major: 1,
+ version_minor: 0,
+ id: SENSORS_HARDWARE_MODULE_ID,
+ name: "Invensense module",
+ author: "Invensense Inc.",
+ methods: &sensors_module_methods,
+ },
+ get_sensors_list: sensors__get_sensors_list,
+};
+
+struct sensors_poll_context_t {
+ struct sensors_poll_device_t device; // must be first
+
+ sensors_poll_context_t();
+ ~sensors_poll_context_t();
+ int activate(int handle, int enabled);
+ int setDelay(int handle, int64_t ns);
+ int pollEvents(sensors_event_t* data, int count);
+
+private:
+ enum {
+ mpl = 0,
+ compass,
+ numSensorDrivers, // wake pipe goes here
+ numFds,
+ };
+
+ struct pollfd mPollFds[numSensorDrivers];
+ SensorBase *mSensor;
+ CompassSensor *mCompassSensor;
+};
+
+/******************************************************************************/
+
+sensors_poll_context_t::sensors_poll_context_t() {
+ VFUNC_LOG;
+
+ CompassSensor *mCompassSensor = new CompassSensor();
+ MPLSensor *mplSensor = new MPLSensor(mCompassSensor);
+
+ // setup the callback object for handing mpl callbacks
+ setCallbackObject(mplSensor);
+
+ // populate the sensor list
+ numSensors =
+ mplSensor->populateSensorList(sSensorList, sizeof(sSensorList));
+
+ mSensor = mplSensor;
+ mPollFds[mpl].fd = mSensor->getFd();
+ mPollFds[mpl].events = POLLIN;
+ mPollFds[mpl].revents = 0;
+
+ mPollFds[compass].fd = mCompassSensor->getFd();
+ mPollFds[compass].events = POLLIN;
+ mPollFds[compass].revents = 0;
+}
+
+sensors_poll_context_t::~sensors_poll_context_t() {
+ FUNC_LOG;
+ delete mSensor;
+ delete mCompassSensor;
+}
+
+int sensors_poll_context_t::activate(int handle, int enabled) {
+ FUNC_LOG;
+ return mSensor->enable(handle, enabled);
+}
+
+int sensors_poll_context_t::setDelay(int handle, int64_t ns)
+{
+ FUNC_LOG;
+ return mSensor->setDelay(handle, ns);
+}
+
+int sensors_poll_context_t::pollEvents(sensors_event_t *data, int count)
+{
+ VHANDLER_LOG;
+
+ int nbEvents = 0;
+ int nb, polltime = -1;
+
+ // look for new events
+ nb = poll(mPollFds, numSensorDrivers, polltime);
+
+ if (nb > 0) {
+ for (int i = 0; count && i < numSensorDrivers; i++) {
+ if (mPollFds[i].revents & POLLIN) {
+ nb = 0;
+ if (i == mpl) {
+ nb = mSensor->readEvents(data, count);
+ }
+ else if (i == compass) {
+ nb = ((MPLSensor*) mSensor)->readCompassEvents(data, count);
+ }
+/*
+ if (nb > 0) {
+ count -= nb;
+ nbEvents += nb;
+ data += nb;
+ mPollFds[i].revents = 0;
+ }
+ */
+ }
+ }
+ nb = ((MPLSensor*) mSensor)->executeOnData(data, count);
+ if (nb > 0) {
+ count -= nb;
+ nbEvents += nb;
+ data += nb;
+ mPollFds[mpl].revents = 0;
+ mPollFds[compass].revents = 0;
+ }
+ }
+
+ return nbEvents;
+}
+
+/******************************************************************************/
+
+static int poll__close(struct hw_device_t *dev)
+{
+ FUNC_LOG;
+ sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
+ if (ctx) {
+ delete ctx;
+ }
+ return 0;
+}
+
+static int poll__activate(struct sensors_poll_device_t *dev,
+ int handle, int enabled)
+{
+ sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
+ return ctx->activate(handle, enabled);
+}
+
+static int poll__setDelay(struct sensors_poll_device_t *dev,
+ int handle, int64_t ns)
+{
+ sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
+ int s= ctx->setDelay(handle, ns);
+ return s;
+}
+
+static int poll__poll(struct sensors_poll_device_t *dev,
+ sensors_event_t* data, int count)
+{
+ sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
+ return ctx->pollEvents(data, count);
+}
+
+/******************************************************************************/
+
+/** Open a new instance of a sensor device using name */
+static int open_sensors(const struct hw_module_t* module, const char* id,
+ struct hw_device_t** device)
+{
+ FUNC_LOG;
+ int status = -EINVAL;
+ sensors_poll_context_t *dev = new sensors_poll_context_t();
+
+ memset(&dev->device, 0, sizeof(sensors_poll_device_t));
+
+ dev->device.common.tag = HARDWARE_DEVICE_TAG;
+ dev->device.common.version = 0;
+ dev->device.common.module = const_cast<hw_module_t*>(module);
+ dev->device.common.close = poll__close;
+ dev->device.activate = poll__activate;
+ dev->device.setDelay = poll__setDelay;
+ dev->device.poll = poll__poll;
+
+ *device = &dev->device.common;
+ status = 0;
+
+ return status;
+}
|