AkmSensor::AkmSensor() : SensorBase(NULL, NULL), mEnabled(0), mPendingMask(0), mInputReader(32) { /* Open the library before opening the input device. The library * creates a uinput device. */ if (loadAKMLibrary() == 0) { data_name = "compass_sensor"; data_fd = openInput("compass_sensor"); } //Incase first time fails if(data_fd < 0){ ALOGI("%s: retrying to open compass sensor", LOGTAG); data_fd = openInput("compass_sensor"); } if(data_fd > 0){ ALOGI("%s: compass sensor successfully opened: %i", LOGTAG, data_fd); }else{ ALOGI("%s: failed to open compass sensor", LOGTAG); } memset(mPendingEvents, 0, sizeof(mPendingEvents)); mPendingEvents[MagneticField].version = sizeof(sensors_event_t); mPendingEvents[MagneticField].sensor = ID_M; mPendingEvents[MagneticField].type = SENSOR_TYPE_MAGNETIC_FIELD; mPendingEvents[MagneticField].magnetic.status = SENSOR_STATUS_ACCURACY_HIGH; // read the actual value of all sensors if they're enabled already struct input_absinfo absinfo; short flags = 0; if (akm_is_sensor_enabled(SENSOR_TYPE_MAGNETIC_FIELD)) { mEnabled |= 1<<MagneticField; if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_MAGV_X), &absinfo)) { mPendingEvents[MagneticField].magnetic.x = absinfo.value * CONVERT_M_X; } if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_MAGV_Y), &absinfo)) { mPendingEvents[MagneticField].magnetic.y = absinfo.value * CONVERT_M_Y; } if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_MAGV_Z), &absinfo)) { mPendingEvents[MagneticField].magnetic.z = absinfo.value * CONVERT_M_Z; } } }
AkmSensor::AkmSensor() : SensorBase(NULL, NULL), mEnabled(0), mPendingMask(0), mInputReader(32) { /* Open the library before opening the input device. The library * creates a uinput device. */ if (loadAKMLibrary() == 0) { data_name = "compass_sensor"; data_fd = openInput("compass_sensor"); } memset(mPendingEvents, 0, sizeof(mPendingEvents)); mPendingEvents[Accelerometer].version = sizeof(sensors_event_t); mPendingEvents[Accelerometer].sensor = ID_A; mPendingEvents[Accelerometer].type = SENSOR_TYPE_ACCELEROMETER; mPendingEvents[Accelerometer].acceleration.status = SENSOR_STATUS_ACCURACY_HIGH; mPendingEvents[MagneticField].version = sizeof(sensors_event_t); mPendingEvents[MagneticField].sensor = ID_M; mPendingEvents[MagneticField].type = SENSOR_TYPE_MAGNETIC_FIELD; mPendingEvents[MagneticField].magnetic.status = SENSOR_STATUS_ACCURACY_HIGH; mPendingEvents[Orientation ].version = sizeof(sensors_event_t); mPendingEvents[Orientation ].sensor = ID_O; mPendingEvents[Orientation ].type = SENSOR_TYPE_ORIENTATION; mPendingEvents[Orientation ].orientation.status = SENSOR_STATUS_ACCURACY_HIGH; // read the actual value of all sensors if they're enabled already struct input_absinfo absinfo; short flags = 0; if (akm_is_sensor_enabled(SENSOR_TYPE_ACCELEROMETER)) { mEnabled |= 1<<Accelerometer; if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_ACCEL_X), &absinfo)) { mPendingEvents[Accelerometer].acceleration.x = absinfo.value * CONVERT_A_X; } if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_ACCEL_Y), &absinfo)) { mPendingEvents[Accelerometer].acceleration.y = absinfo.value * CONVERT_A_Y; } if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_ACCEL_Z), &absinfo)) { mPendingEvents[Accelerometer].acceleration.z = absinfo.value * CONVERT_A_Z; } } if (akm_is_sensor_enabled(SENSOR_TYPE_MAGNETIC_FIELD)) { mEnabled |= 1<<MagneticField; if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_MAGV_X), &absinfo)) { mPendingEvents[MagneticField].magnetic.x = absinfo.value * CONVERT_M_X; } if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_MAGV_Y), &absinfo)) { mPendingEvents[MagneticField].magnetic.y = absinfo.value * CONVERT_M_Y; } if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_MAGV_Z), &absinfo)) { mPendingEvents[MagneticField].magnetic.z = absinfo.value * CONVERT_M_Z; } } if (akm_is_sensor_enabled(SENSOR_TYPE_ORIENTATION)) { mEnabled |= 1<<Orientation; if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_YAW), &absinfo)) { mPendingEvents[Orientation].orientation.azimuth = absinfo.value; } if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_PITCH), &absinfo)) { mPendingEvents[Orientation].orientation.pitch = absinfo.value; } if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_ROLL), &absinfo)) { mPendingEvents[Orientation].orientation.roll = -absinfo.value; } if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_ORIENT_STATUS), &absinfo)) { mPendingEvents[Orientation].orientation.status = uint8_t(absinfo.value & SENSOR_STATE_MASK); } } // disable temperature sensor, since it is not supported akm_disable_sensor(SENSOR_TYPE_TEMPERATURE); }