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author | Marty Fouts <mfouts@sta.samsung.com> | 2011-06-27 22:40:40 -0700 |
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committer | Arve Hjønnevåg <arve@android.com> | 2011-06-29 18:53:02 -0700 |
commit | fd62ef4c2d6e912b0a9a5354e82560f515b0c20c (patch) | |
tree | 2490fbde5fa0903c22b853415b964c7d3b0f9729 /libsensors/PressureSensor.cpp | |
parent | a4116db3002715e73ba8d48fbefabd15b91c92a2 (diff) | |
download | device_samsung_tuna-fd62ef4c2d6e912b0a9a5354e82560f515b0c20c.zip device_samsung_tuna-fd62ef4c2d6e912b0a9a5354e82560f515b0c20c.tar.gz device_samsung_tuna-fd62ef4c2d6e912b0a9a5354e82560f515b0c20c.tar.bz2 |
tuna: sensors: add light, proximity, pressure sensors
NOTE:
- light sensor ADC values need to be calibrated.
Change-Id: Iba75dc62a922bbcd0d1e273566f9089c4da450fb
Signed-off-by: Marty Fouts <mfouts@sta.samsung.com>
Diffstat (limited to 'libsensors/PressureSensor.cpp')
-rw-r--r-- | libsensors/PressureSensor.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libsensors/PressureSensor.cpp b/libsensors/PressureSensor.cpp new file mode 100644 index 0000000..dc34b95 --- /dev/null +++ b/libsensors/PressureSensor.cpp @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2011 Samsung + * + * 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 <pthread.h> + +#include "PressureSensor.h" + +/* + * The BMP driver gives pascal values. + * It needs to be changed into hectoPascal + */ +#define PRESSURE_HECTO (1.0f/100.0f) + +PressureSensor::PressureSensor() + : SamsungSensorBase(NULL, "barometer", ABS_PRESSURE) +{ + mPendingEvent.sensor = ID_PR; + mPendingEvent.type = SENSOR_TYPE_PRESSURE; +} + +bool PressureSensor::handleEvent(input_event const *event) { + mPendingEvent.pressure = event->value * PRESSURE_HECTO; + return true; +} |