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-rw-r--r--libsensors_iio/src/Accelerometer.cpp55
1 files changed, 55 insertions, 0 deletions
diff --git a/libsensors_iio/src/Accelerometer.cpp b/libsensors_iio/src/Accelerometer.cpp
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+++ b/libsensors_iio/src/Accelerometer.cpp
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+/*
+ * STMicroelectronics Accelerometer Sensor Class
+ *
+ * Copyright 2013-2015 STMicroelectronics Inc.
+ * Author: Denis Ciocca - <denis.ciocca@st.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ */
+
+#include <fcntl.h>
+#include <assert.h>
+#include <signal.h>
+
+#include "Accelerometer.h"
+
+Accelerometer::Accelerometer(HWSensorBaseCommonData *data, const char *name,
+ struct iio_sampling_frequency_available *sfa, int handle,
+ unsigned int hw_fifo_len, int pipe_data_fd, float power_consumption, bool wakeup) :
+ HWSensorBaseWithPollrate(data, name, sfa, handle,
+ SENSOR_TYPE_ACCELEROMETER, hw_fifo_len, pipe_data_fd, power_consumption)
+{
+ sensor_t_data.stringType = SENSOR_STRING_TYPE_ACCELEROMETER;
+ sensor_t_data.flags = SENSOR_FLAG_CONTINUOUS_MODE;
+
+ if (wakeup)
+ sensor_t_data.flags |= SENSOR_FLAG_WAKE_UP;
+
+ sensor_t_data.resolution = data->channels[0].scale;
+ sensor_t_data.maxRange = sensor_t_data.resolution * (pow(2, data->channels[0].bits_used - 1) - 1);
+}
+
+Accelerometer::~Accelerometer()
+{
+
+}
+
+void Accelerometer::ProcessData(SensorBaseData *data)
+{
+ float tmp_raw_data[num_data_axis];
+
+ memcpy(tmp_raw_data, data->raw, num_data_axis * sizeof(float));
+
+ data->raw[0] = SENSOR_X_DATA(tmp_raw_data[0], tmp_raw_data[1], tmp_raw_data[2], CONFIG_ST_HAL_ACCEL_ROT_MATRIX);
+ data->raw[1] = SENSOR_Y_DATA(tmp_raw_data[0], tmp_raw_data[1], tmp_raw_data[2], CONFIG_ST_HAL_ACCEL_ROT_MATRIX);
+ data->raw[2] = SENSOR_Z_DATA(tmp_raw_data[0], tmp_raw_data[1], tmp_raw_data[2], CONFIG_ST_HAL_ACCEL_ROT_MATRIX);
+
+ sensor_event.acceleration.x = data->raw[0];
+ sensor_event.acceleration.y = data->raw[1];
+ sensor_event.acceleration.z = data->raw[2];
+ sensor_event.acceleration.status = SENSOR_STATUS_UNRELIABLE;
+ sensor_event.timestamp = data->timestamp;
+
+ HWSensorBaseWithPollrate::WriteDataToPipe();
+ HWSensorBaseWithPollrate::ProcessData(data);
+}