1 /* 2 * Copyright (C) 2008-2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_CWMCU_SENSOR_H 18 #define ANDROID_CWMCU_SENSOR_H 19 20 #include <errno.h> 21 #include <stdint.h> 22 #include <sys/cdefs.h> 23 #include <sys/types.h> 24 #include <utils/BitSet.h> 25 26 #include "InputEventReader.h" 27 #include "sensors.h" 28 #include "SensorBase.h" 29 30 /*****************************************************************************/ 31 32 // Must match driver copy of .../linux/include/linux/CwMcuSensor.h file 33 typedef enum { 34 CW_ACCELERATION = 0, 35 CW_MAGNETIC = 1, 36 CW_GYRO = 2, 37 CW_LIGHT = 3, 38 CW_PRESSURE = 5, 39 CW_ORIENTATION = 6, 40 CW_ROTATIONVECTOR = 7, 41 CW_LINEARACCELERATION = 8, 42 CW_GRAVITY = 9, 43 CW_MAGNETIC_UNCALIBRATED = 16, 44 CW_GYROSCOPE_UNCALIBRATED = 17, 45 CW_GAME_ROTATION_VECTOR = 18, 46 CW_GEOMAGNETIC_ROTATION_VECTOR = 19, 47 CW_SIGNIFICANT_MOTION = 20, 48 CW_STEP_DETECTOR = 21, 49 CW_STEP_COUNTER = 22, 50 HTC_ANY_MOTION = 28, 51 //Above are Firmware supported sensors, 52 CW_ACCELERATION_W = 32, 53 CW_MAGNETIC_W = 33, 54 CW_GYRO_W = 34, 55 CW_PRESSURE_W = 37, 56 CW_ORIENTATION_W = 38, 57 CW_ROTATIONVECTOR_W = 39, 58 CW_LINEARACCELERATION_W = 40, 59 CW_GRAVITY_W = 41, 60 HTC_WAKE_UP_GESTURE_W = 42, 61 CW_MAGNETIC_UNCALIBRATED_W = 48, 62 CW_GYROSCOPE_UNCALIBRATED_W = 49, 63 CW_GAME_ROTATION_VECTOR_W = 50, 64 CW_GEOMAGNETIC_ROTATION_VECTOR_W = 51, 65 CW_STEP_DETECTOR_W = 53, 66 CW_STEP_COUNTER_W = 54, 67 CW_SENSORS_ID_END, 68 TIME_DIFF_EXHAUSTED = 97, 69 CW_TIME_BASE = 98, 70 CW_META_DATA = 99, 71 CW_MAGNETIC_UNCALIBRATED_BIAS = 100, 72 CW_GYROSCOPE_UNCALIBRATED_BIAS = 101 73 } CW_SENSORS_ID; 74 75 #define SAVE_PATH_ACC "/data/misc/AccOffset.txt" 76 #define SAVE_PATH_MAG "/data/misc/cw_calibrator_mag.ini" 77 #define SAVE_PATH_GYRO "/data/system/cw_calibrator_gyro.ini" 78 79 #define BOOT_MODE_PATH "sys/class/htc_sensorhub/sensor_hub/boot_mode" 80 81 #define numSensors CW_SENSORS_ID_END 82 83 #define TIMESTAMP_SYNC_CODE (98) 84 85 #define PERIODIC_SYNC_TIME_SEC (5) 86 87 class CwMcuSensor : public SensorBase { 88 89 android::BitSet64 mEnabled; 90 InputEventCircularReader mInputReader; 91 sensors_event_t mPendingEvents[numSensors]; 92 sensors_event_t mPendingEventsFlush; 93 android::BitSet64 mPendingMask; 94 char fixed_sysfs_path[PATH_MAX]; 95 int fixed_sysfs_path_len; 96 97 float indexToValue(size_t index) const; 98 char mDevPath[PATH_MAX]; 99 char mTriggerName[PATH_MAX]; 100 101 float time_slope; 102 int64_t time_offset; 103 uint64_t last_mcu_sync_time; 104 uint64_t last_cpu_sync_time; 105 106 bool offset_reset[numSensors]; 107 uint64_t last_mcu_timestamp[numSensors]; 108 uint64_t last_cpu_timestamp[numSensors]; 109 pthread_t sync_time_thread; 110 111 bool init_trigger_done; 112 113 int sysfs_set_input_attr(const char *attr, char *value, size_t len); 114 int sysfs_set_input_attr_by_int(const char *attr, int value); 115 public: 116 CwMcuSensor(); 117 virtual ~CwMcuSensor(); 118 virtual int readEvents(sensors_event_t* data, int count); 119 virtual bool hasPendingEvents() const; 120 virtual int setDelay(int32_t handle, int64_t ns); 121 virtual int setEnable(int32_t handle, int enabled); 122 virtual int getEnable(int32_t handle); 123 virtual int batch(int handle, int flags, int64_t period_ns, int64_t timeout); 124 virtual int flush(int handle); 125 bool is_batch_wake_sensor(int32_t handle); 126 int find_sensor(int32_t handle); 127 int find_handle(int32_t sensors_id); 128 void cw_save_calibrator_file(int type, const char * path, int* str); 129 int cw_read_calibrator_file(int type, const char * path, int* str); 130 int processEvent(uint8_t *event); 131 void calculate_rv_4th_element(int sensors_id); 132 void sync_time_thread_in_class(void); 133 }; 134 135 /*****************************************************************************/ 136 137 #endif // ANDROID_CWMCU_SENSOR_H 138
