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      1 /*
      2  * Copyright (C) 2010 Motorola, Inc.
      3  * Copyright (C) 2008 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 #include <hardware/sensors.h>
     19 
     20 #include "nusensors.h"
     21 
     22 /*****************************************************************************/
     23 
     24 /*
     25  * The SENSORS Module
     26  */
     27 
     28 static const struct sensor_t sSensorList[] = {
     29         { "KXTF9 3-axis Accelerometer",
     30                 "Kionix",
     31                 1, SENSORS_HANDLE_BASE+ID_A,
     32                 SENSOR_TYPE_ACCELEROMETER, MAX_RANGE_A, CONVERT_A, 0.57f, 20000, { } },
     33 	{ "Ambient Light sensor",
     34                 "Maxim",
     35                 1, SENSORS_HANDLE_BASE+ID_L,
     36                 SENSOR_TYPE_LIGHT, 208076.8f, 0.05f, 0.003f, 0,  { } },
     37 	{ "AK8975 3-axis Magnetic field sensor",
     38                 "Asahi Kasei",
     39                 1, SENSORS_HANDLE_BASE+ID_M,
     40                 SENSOR_TYPE_MAGNETIC_FIELD, 2000.0f, CONVERT_M, 6.8f, 30000, { } },
     41 	{ "AK8975 Orientation sensor",
     42                 "Asahi Kasei",
     43                 1, SENSORS_HANDLE_BASE+ID_O,
     44                 SENSOR_TYPE_ORIENTATION, 360.0f, CONVERT_O, 7.05f, 30000, { } },
     45 	{ "BMP085 Pressure sensor",
     46                 "Bosch",
     47                 1, SENSORS_HANDLE_BASE+ID_B,
     48                 SENSOR_TYPE_PRESSURE, 110000.0f, 1.0f, 1.0f, 30000, { } },
     49 	{ "L3G4200D Gyroscope sensor",
     50                 "ST Micro",
     51                 1, SENSORS_HANDLE_BASE+ID_G,
     52                 SENSOR_TYPE_GYROSCOPE, MAX_RANGE_G, CONVERT_G, 6.1f, 1250, { } },
     53 };
     54 
     55 static int open_sensors(const struct hw_module_t* module, const char* name,
     56         struct hw_device_t** device);
     57 
     58 static int sensors__get_sensors_list(struct sensors_module_t* module,
     59         struct sensor_t const** list)
     60 {
     61     *list = sSensorList;
     62     return ARRAY_SIZE(sSensorList);
     63 }
     64 
     65 static struct hw_module_methods_t sensors_module_methods = {
     66     .open = open_sensors
     67 };
     68 
     69 struct sensors_module_t HAL_MODULE_INFO_SYM = {
     70     .common = {
     71         .tag = HARDWARE_MODULE_TAG,
     72         .version_major = 1,
     73         .version_minor = 0,
     74         .id = SENSORS_HARDWARE_MODULE_ID,
     75         .name = "Stingray SENSORS Module",
     76         .author = "Motorola",
     77         .methods = &sensors_module_methods,
     78     },
     79     .get_sensors_list = sensors__get_sensors_list
     80 };
     81 
     82 /*****************************************************************************/
     83 
     84 static int open_sensors(const struct hw_module_t* module, const char* name,
     85         struct hw_device_t** device)
     86 {
     87     return init_nusensors(module, device);
     88 }
     89