| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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 "hubconnection.h" |
| #include "eventnums.h" |
| #include "sensType.h" |
| |
| #define LOG_TAG "nanohub" |
| #include <utils/Log.h> |
| #include <utils/SystemClock.h> |
| |
| #include "file.h" |
| #include "JSONObject.h" |
| |
| #include <errno.h> |
| #include <unistd.h> |
| #include <math.h> |
| #include <inttypes.h> |
| |
| #include <cutils/properties.h> |
| #include <linux/input.h> |
| #include <linux/uinput.h> |
| #include <media/stagefright/foundation/ADebug.h> |
| #include <sys/inotify.h> |
| |
| #define APP_ID_GET_VENDOR(appid) ((appid) >> 24) |
| #define APP_ID_MAKE(vendor, app) ((((uint64_t)(vendor)) << 24) | ((app) & 0x00FFFFFF)) |
| #define APP_ID_VENDOR_GOOGLE 0x476f6f676cULL // "Googl" |
| #define APP_ID_APP_BMI160 2 |
| |
| #define SENS_TYPE_TO_EVENT(_sensorType) (EVT_NO_FIRST_SENSOR_EVENT + (_sensorType)) |
| |
| #define NANOHUB_FILE_PATH "/dev/nanohub" |
| #define NANOHUB_LOCK_DIR "/data/system/nanohub_lock" |
| #define NANOHUB_LOCK_FILE NANOHUB_LOCK_DIR "/lock" |
| #define MAG_BIAS_FILE_PATH "/sys/class/power_supply/battery/compass_compensation" |
| |
| #define NANOHUB_LOCK_DIR_PERMS (S_IRUSR | S_IWUSR | S_IXUSR) |
| |
| #define SENSOR_RATE_ONCHANGE 0xFFFFFF01UL |
| #define SENSOR_RATE_ONESHOT 0xFFFFFF02UL |
| |
| #define MIN_MAG_SQ (10.0f * 10.0f) |
| #define MAX_MAG_SQ (80.0f * 80.0f) |
| |
| #define ACCEL_RAW_KSCALE (8.0f * 9.81f / 32768.0f) |
| |
| #define OS_LOG_EVENT 0x474F4C41 // ascii: ALOG |
| |
| #ifdef LID_STATE_REPORTING_ENABLED |
| const char LID_STATE_PROPERTY[] = "sensors.contexthub.lid_state"; |
| const char LID_STATE_UNKNOWN[] = "unknown"; |
| const char LID_STATE_OPEN[] = "open"; |
| const char LID_STATE_CLOSED[] = "closed"; |
| #endif // LID_STATE_REPORTING_ENABLED |
| |
| static const uint32_t delta_time_encoded = 1; |
| static const uint32_t delta_time_shift_table[2] = {9, 0}; |
| |
| namespace android { |
| |
| // static |
| Mutex HubConnection::sInstanceLock; |
| |
| // static |
| HubConnection *HubConnection::sInstance = NULL; |
| |
| HubConnection *HubConnection::getInstance() |
| { |
| Mutex::Autolock autoLock(sInstanceLock); |
| if (sInstance == NULL) { |
| sInstance = new HubConnection; |
| } |
| return sInstance; |
| } |
| |
| HubConnection::HubConnection() |
| : Thread(false /* canCallJava */), |
| mRing(10 *1024), |
| mActivityCbCookie(NULL), |
| mActivityCb(NULL), |
| mStepCounterOffset(0ull), |
| mLastStepCount(0ull) |
| { |
| mMagBias[0] = mMagBias[1] = mMagBias[2] = 0.0f; |
| mMagAccuracy = SENSOR_STATUS_UNRELIABLE; |
| mMagAccuracyRestore = SENSOR_STATUS_UNRELIABLE; |
| mGyroBias[0] = mGyroBias[1] = mGyroBias[2] = 0.0f; |
| |
| memset(&mSensorState, 0x00, sizeof(mSensorState)); |
| mFd = open(NANOHUB_FILE_PATH, O_RDWR); |
| mPollFds[0].fd = mFd; |
| mPollFds[0].events = POLLIN; |
| mPollFds[0].revents = 0; |
| mNumPollFds = 1; |
| |
| initNanohubLock(); |
| |
| #ifdef USB_MAG_BIAS_REPORTING_ENABLED |
| mUsbMagBias = 0; |
| mMagBiasPollIndex = -1; |
| int magBiasFd = open(MAG_BIAS_FILE_PATH, O_RDONLY); |
| if (magBiasFd < 0) { |
| ALOGW("Mag bias file open failed: %s", strerror(errno)); |
| } else { |
| mPollFds[mNumPollFds].fd = magBiasFd; |
| mPollFds[mNumPollFds].events = 0; |
| mPollFds[mNumPollFds].revents = 0; |
| mMagBiasPollIndex = mNumPollFds; |
| mNumPollFds++; |
| } |
| #endif // USB_MAG_BIAS_REPORTING_ENABLED |
| |
| mSensorState[COMMS_SENSOR_ACCEL].sensorType = SENS_TYPE_ACCEL; |
| mSensorState[COMMS_SENSOR_GYRO].sensorType = SENS_TYPE_GYRO; |
| mSensorState[COMMS_SENSOR_GYRO].alt = COMMS_SENSOR_GYRO_UNCALIBRATED; |
| mSensorState[COMMS_SENSOR_GYRO_UNCALIBRATED].sensorType = SENS_TYPE_GYRO; |
| mSensorState[COMMS_SENSOR_GYRO_UNCALIBRATED].alt = COMMS_SENSOR_GYRO; |
| mSensorState[COMMS_SENSOR_MAG].sensorType = SENS_TYPE_MAG; |
| mSensorState[COMMS_SENSOR_MAG].alt = COMMS_SENSOR_MAG_UNCALIBRATED; |
| mSensorState[COMMS_SENSOR_MAG_UNCALIBRATED].sensorType = SENS_TYPE_MAG; |
| mSensorState[COMMS_SENSOR_MAG_UNCALIBRATED].alt = COMMS_SENSOR_MAG; |
| mSensorState[COMMS_SENSOR_LIGHT].sensorType = SENS_TYPE_ALS; |
| mSensorState[COMMS_SENSOR_PROXIMITY].sensorType = SENS_TYPE_PROX; |
| mSensorState[COMMS_SENSOR_PRESSURE].sensorType = SENS_TYPE_BARO; |
| mSensorState[COMMS_SENSOR_TEMPERATURE].sensorType = SENS_TYPE_TEMP; |
| mSensorState[COMMS_SENSOR_ORIENTATION].sensorType = SENS_TYPE_ORIENTATION; |
| mSensorState[COMMS_SENSOR_WINDOW_ORIENTATION].sensorType = SENS_TYPE_WIN_ORIENTATION; |
| mSensorState[COMMS_SENSOR_WINDOW_ORIENTATION].rate = SENSOR_RATE_ONCHANGE; |
| mSensorState[COMMS_SENSOR_STEP_DETECTOR].sensorType = SENS_TYPE_STEP_DETECT; |
| mSensorState[COMMS_SENSOR_STEP_DETECTOR].rate = SENSOR_RATE_ONCHANGE; |
| mSensorState[COMMS_SENSOR_STEP_COUNTER].sensorType = SENS_TYPE_STEP_COUNT; |
| mSensorState[COMMS_SENSOR_STEP_COUNTER].rate = SENSOR_RATE_ONCHANGE; |
| mSensorState[COMMS_SENSOR_SIGNIFICANT_MOTION].sensorType = SENS_TYPE_SIG_MOTION; |
| mSensorState[COMMS_SENSOR_SIGNIFICANT_MOTION].rate = SENSOR_RATE_ONESHOT; |
| mSensorState[COMMS_SENSOR_GRAVITY].sensorType = SENS_TYPE_GRAVITY; |
| mSensorState[COMMS_SENSOR_LINEAR_ACCEL].sensorType = SENS_TYPE_LINEAR_ACCEL; |
| mSensorState[COMMS_SENSOR_ROTATION_VECTOR].sensorType = SENS_TYPE_ROTATION_VECTOR; |
| mSensorState[COMMS_SENSOR_GEO_MAG].sensorType = SENS_TYPE_GEO_MAG_ROT_VEC; |
| mSensorState[COMMS_SENSOR_GAME_ROTATION_VECTOR].sensorType = SENS_TYPE_GAME_ROT_VECTOR; |
| mSensorState[COMMS_SENSOR_HALL].sensorType = SENS_TYPE_HALL; |
| mSensorState[COMMS_SENSOR_HALL].rate = SENSOR_RATE_ONCHANGE; |
| mSensorState[COMMS_SENSOR_SYNC].sensorType = SENS_TYPE_VSYNC; |
| mSensorState[COMMS_SENSOR_SYNC].rate = SENSOR_RATE_ONCHANGE; |
| mSensorState[COMMS_SENSOR_ACTIVITY].sensorType = SENS_TYPE_ACTIVITY; |
| mSensorState[COMMS_SENSOR_ACTIVITY].rate = SENSOR_RATE_ONCHANGE; |
| mSensorState[COMMS_SENSOR_TILT].sensorType = SENS_TYPE_TILT; |
| mSensorState[COMMS_SENSOR_TILT].rate = SENSOR_RATE_ONCHANGE; |
| mSensorState[COMMS_SENSOR_GESTURE].sensorType = SENS_TYPE_GESTURE; |
| mSensorState[COMMS_SENSOR_GESTURE].rate = SENSOR_RATE_ONESHOT; |
| mSensorState[COMMS_SENSOR_DOUBLE_TWIST].sensorType = SENS_TYPE_DOUBLE_TWIST; |
| mSensorState[COMMS_SENSOR_DOUBLE_TWIST].rate = SENSOR_RATE_ONCHANGE; |
| mSensorState[COMMS_SENSOR_DOUBLE_TAP].sensorType = SENS_TYPE_DOUBLE_TAP; |
| mSensorState[COMMS_SENSOR_DOUBLE_TAP].rate = SENSOR_RATE_ONCHANGE; |
| |
| #ifdef LID_STATE_REPORTING_ENABLED |
| initializeUinputNode(); |
| |
| // set initial lid state |
| if (property_set(LID_STATE_PROPERTY, LID_STATE_UNKNOWN) < 0) { |
| ALOGE("could not set lid_state property"); |
| } |
| |
| // enable hall sensor for folio |
| if (mFd >= 0) { |
| queueActivate(COMMS_SENSOR_HALL, true /* enable */); |
| } |
| #endif // LID_STATE_REPORTING_ENABLED |
| } |
| |
| HubConnection::~HubConnection() |
| { |
| close(mFd); |
| } |
| |
| void HubConnection::onFirstRef() |
| { |
| run("HubConnection", PRIORITY_URGENT_DISPLAY); |
| } |
| |
| status_t HubConnection::initCheck() const |
| { |
| return mFd < 0 ? UNKNOWN_ERROR : OK; |
| } |
| |
| status_t HubConnection::getAliveCheck() |
| { |
| return OK; |
| } |
| |
| static sp<JSONObject> readSettings(File *file) { |
| off64_t size = file->seekTo(0, SEEK_END); |
| file->seekTo(0, SEEK_SET); |
| |
| sp<JSONObject> root; |
| |
| if (size > 0) { |
| char *buf = (char *)malloc(size); |
| CHECK_EQ(file->read(buf, size), (ssize_t)size); |
| file->seekTo(0, SEEK_SET); |
| |
| sp<JSONCompound> in = JSONCompound::Parse(buf, size); |
| free(buf); |
| buf = NULL; |
| |
| if (in != NULL && in->isObject()) { |
| root = (JSONObject *)in.get(); |
| } |
| } |
| |
| if (root == NULL) { |
| root = new JSONObject; |
| } |
| |
| return root; |
| } |
| |
| static bool getCalibrationInt32( |
| const sp<JSONObject> &settings, const char *key, int32_t *out, |
| size_t numArgs) { |
| sp<JSONArray> array; |
| if (!settings->getArray(key, &array)) { |
| return false; |
| } else { |
| for (size_t i = 0; i < numArgs; i++) { |
| if (!array->getInt32(i, &out[i])) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| static bool getCalibrationFloat( |
| const sp<JSONObject> &settings, const char *key, float out[3]) { |
| sp<JSONArray> array; |
| if (!settings->getArray(key, &array)) { |
| return false; |
| } else { |
| for (size_t i = 0; i < 3; i++) { |
| if (!array->getFloat(i, &out[i])) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| static void loadSensorSettings(sp<JSONObject>* settings, |
| sp<JSONObject>* saved_settings) { |
| File settings_file(CONTEXTHUB_SETTINGS_PATH, "r"); |
| File saved_settings_file(CONTEXTHUB_SAVED_SETTINGS_PATH, "r"); |
| |
| status_t err; |
| if ((err = settings_file.initCheck()) != OK) { |
| ALOGE("settings file open failed: %d (%s)", |
| err, |
| strerror(-err)); |
| |
| *settings = new JSONObject; |
| } else { |
| *settings = readSettings(&settings_file); |
| } |
| |
| if ((err = saved_settings_file.initCheck()) != OK) { |
| ALOGE("saved settings file open failed: %d (%s)", |
| err, |
| strerror(-err)); |
| *saved_settings = new JSONObject; |
| } else { |
| *saved_settings = readSettings(&saved_settings_file); |
| } |
| } |
| |
| void HubConnection::saveSensorSettings() const { |
| File saved_settings_file(CONTEXTHUB_SAVED_SETTINGS_PATH, "w"); |
| |
| status_t err; |
| if ((err = saved_settings_file.initCheck()) != OK) { |
| ALOGE("saved settings file open failed %d (%s)", |
| err, |
| strerror(-err)); |
| return; |
| } |
| |
| // Build a settings object. |
| sp<JSONArray> magArray = new JSONArray; |
| #ifdef USB_MAG_BIAS_REPORTING_ENABLED |
| magArray->addFloat(mMagBias[0] + mUsbMagBias); |
| #else |
| magArray->addFloat(mMagBias[0]); |
| #endif // USB_MAG_BIAS_REPORTING_ENABLED |
| magArray->addFloat(mMagBias[1]); |
| magArray->addFloat(mMagBias[2]); |
| |
| sp<JSONObject> settingsObject = new JSONObject; |
| settingsObject->setArray("mag", magArray); |
| |
| // Write the JSON string to disk. |
| AString serializedSettings = settingsObject->toString(); |
| size_t size = serializedSettings.size(); |
| if ((err = saved_settings_file.write(serializedSettings.c_str(), size)) != (ssize_t)size) { |
| ALOGE("saved settings file write failed %d (%s)", |
| err, |
| strerror(-err)); |
| } |
| } |
| |
| sensors_event_t *HubConnection::initEv(sensors_event_t *ev, uint64_t timestamp, uint32_t type, uint32_t sensor) |
| { |
| memset(ev, 0x00, sizeof(sensors_event_t)); |
| ev->version = sizeof(sensors_event_t); |
| ev->timestamp = timestamp; |
| ev->type = type; |
| ev->sensor = sensor; |
| |
| return ev; |
| } |
| |
| void HubConnection::processSample(uint64_t timestamp, uint32_t type, uint32_t sensor, struct OneAxisSample *sample, __attribute__((unused)) bool highAccuracy) |
| { |
| sensors_event_t nev[1]; |
| int cnt = 0; |
| |
| switch (sensor) { |
| case COMMS_SENSOR_ACTIVITY: |
| if (mActivityCb != NULL) { |
| (*mActivityCb)(mActivityCbCookie, timestamp / 1000ull, |
| false, /* is_flush */ |
| (float)(sample->idata & 0x7), 0.0, 0.0); |
| } |
| break; |
| case COMMS_SENSOR_PRESSURE: |
| initEv(&nev[cnt++], timestamp, type, sensor)->pressure = sample->fdata; |
| break; |
| case COMMS_SENSOR_TEMPERATURE: |
| initEv(&nev[cnt++], timestamp, type, sensor)->temperature = sample->fdata; |
| break; |
| case COMMS_SENSOR_PROXIMITY: |
| initEv(&nev[cnt++], timestamp, type, sensor)->distance = sample->fdata; |
| break; |
| case COMMS_SENSOR_LIGHT: |
| initEv(&nev[cnt++], timestamp, type, sensor)->light = sample->fdata; |
| break; |
| case COMMS_SENSOR_STEP_COUNTER: |
| // We'll stash away the last step count in case we need to reset |
| // the hub. This last step count would then become the new offset. |
| mLastStepCount = mStepCounterOffset + sample->idata; |
| initEv(&nev[cnt++], timestamp, type, sensor)->u64.step_counter = mLastStepCount; |
| break; |
| case COMMS_SENSOR_STEP_DETECTOR: |
| case COMMS_SENSOR_SIGNIFICANT_MOTION: |
| case COMMS_SENSOR_TILT: |
| case COMMS_SENSOR_DOUBLE_TWIST: |
| initEv(&nev[cnt++], timestamp, type, sensor)->data[0] = 1.0f; |
| break; |
| case COMMS_SENSOR_GESTURE: |
| case COMMS_SENSOR_SYNC: |
| initEv(&nev[cnt++], timestamp, type, sensor)->data[0] = sample->idata; |
| break; |
| case COMMS_SENSOR_HALL: |
| #ifdef LID_STATE_REPORTING_ENABLED |
| sendFolioEvent(sample->idata); |
| #endif // LID_STATE_REPORTING_ENABLED |
| break; |
| case COMMS_SENSOR_WINDOW_ORIENTATION: |
| initEv(&nev[cnt++], timestamp, type, sensor)->data[0] = sample->idata; |
| break; |
| default: |
| break; |
| } |
| |
| if (cnt > 0) |
| mRing.write(nev, cnt); |
| } |
| |
| void HubConnection::magAccuracyUpdate(float x, float y, float z) |
| { |
| float magSq = x * x + y * y + z * z; |
| |
| if (magSq < MIN_MAG_SQ || magSq > MAX_MAG_SQ) { |
| // save last good accuracy (either MEDIUM or HIGH) |
| if (mMagAccuracy != SENSOR_STATUS_UNRELIABLE) |
| mMagAccuracyRestore = mMagAccuracy; |
| mMagAccuracy = SENSOR_STATUS_UNRELIABLE; |
| } else if (mMagAccuracy == SENSOR_STATUS_UNRELIABLE) { |
| // restore |
| mMagAccuracy = mMagAccuracyRestore; |
| } |
| } |
| |
| void HubConnection::processSample(uint64_t timestamp, uint32_t type, uint32_t sensor, struct RawThreeAxisSample *sample, __attribute__((unused)) bool highAccuracy) |
| { |
| sensors_vec_t *sv; |
| sensors_event_t nev[2]; |
| int cnt = 0; |
| |
| switch (sensor) { |
| case COMMS_SENSOR_ACCEL: |
| sv = &initEv(&nev[cnt++], timestamp, type, sensor)->acceleration; |
| sv->x = sample->ix * ACCEL_RAW_KSCALE; |
| sv->y = sample->iy * ACCEL_RAW_KSCALE; |
| sv->z = sample->iz * ACCEL_RAW_KSCALE; |
| sv->status = SENSOR_STATUS_ACCURACY_HIGH; |
| break; |
| default: |
| break; |
| } |
| |
| if (cnt > 0) |
| mRing.write(nev, cnt); |
| } |
| |
| void HubConnection::processSample(uint64_t timestamp, uint32_t type, uint32_t sensor, struct ThreeAxisSample *sample, bool highAccuracy) |
| { |
| sensors_vec_t *sv; |
| uncalibrated_event_t *ue; |
| sensors_event_t *ev; |
| sensors_event_t nev[2]; |
| static const float heading_accuracy = M_PI / 6.0f; |
| float w; |
| int cnt = 0; |
| |
| switch (sensor) { |
| case COMMS_SENSOR_ACCEL: |
| sv = &initEv(&nev[cnt++], timestamp, type, sensor)->acceleration; |
| sv->x = sample->x; |
| sv->y = sample->y; |
| sv->z = sample->z; |
| sv->status = SENSOR_STATUS_ACCURACY_HIGH; |
| break; |
| case COMMS_SENSOR_GYRO: |
| if (mSensorState[sensor].enable) { |
| sv = &initEv(&nev[cnt++], timestamp, type, sensor)->gyro; |
| sv->x = sample->x; |
| sv->y = sample->y; |
| sv->z = sample->z; |
| sv->status = SENSOR_STATUS_ACCURACY_HIGH; |
| } |
| |
| if (mSensorState[COMMS_SENSOR_GYRO_UNCALIBRATED].enable) { |
| ue = &initEv(&nev[cnt++], timestamp, |
| SENSOR_TYPE_GYROSCOPE_UNCALIBRATED, |
| COMMS_SENSOR_GYRO_UNCALIBRATED)->uncalibrated_gyro; |
| ue->x_uncalib = sample->x + mGyroBias[0]; |
| ue->y_uncalib = sample->y + mGyroBias[1]; |
| ue->z_uncalib = sample->z + mGyroBias[2]; |
| ue->x_bias = mGyroBias[0]; |
| ue->y_bias = mGyroBias[1]; |
| ue->z_bias = mGyroBias[2]; |
| } |
| break; |
| case COMMS_SENSOR_GYRO_BIAS: |
| mGyroBias[0] = sample->x; |
| mGyroBias[1] = sample->y; |
| mGyroBias[2] = sample->z; |
| break; |
| case COMMS_SENSOR_MAG: |
| magAccuracyUpdate(sample->x, sample->y, sample->z); |
| |
| if (mSensorState[sensor].enable) { |
| sv = &initEv(&nev[cnt++], timestamp, type, sensor)->magnetic; |
| sv->x = sample->x; |
| sv->y = sample->y; |
| sv->z = sample->z; |
| sv->status = mMagAccuracy; |
| } |
| |
| if (mSensorState[COMMS_SENSOR_MAG_UNCALIBRATED].enable) { |
| ue = &initEv(&nev[cnt++], timestamp, |
| SENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED, |
| COMMS_SENSOR_MAG_UNCALIBRATED)->uncalibrated_magnetic; |
| ue->x_uncalib = sample->x + mMagBias[0]; |
| ue->y_uncalib = sample->y + mMagBias[1]; |
| ue->z_uncalib = sample->z + mMagBias[2]; |
| ue->x_bias = mMagBias[0]; |
| ue->y_bias = mMagBias[1]; |
| ue->z_bias = mMagBias[2]; |
| } |
| break; |
| case COMMS_SENSOR_MAG_BIAS: |
| mMagAccuracy = highAccuracy ? SENSOR_STATUS_ACCURACY_HIGH : SENSOR_STATUS_ACCURACY_MEDIUM; |
| mMagBias[0] = sample->x; |
| mMagBias[1] = sample->y; |
| mMagBias[2] = sample->z; |
| |
| saveSensorSettings(); |
| break; |
| case COMMS_SENSOR_ORIENTATION: |
| case COMMS_SENSOR_LINEAR_ACCEL: |
| case COMMS_SENSOR_GRAVITY: |
| sv = &initEv(&nev[cnt++], timestamp, type, sensor)->orientation; |
| sv->x = sample->x; |
| sv->y = sample->y; |
| sv->z = sample->z; |
| sv->status = mMagAccuracy; |
| break; |
| case COMMS_SENSOR_DOUBLE_TAP: |
| ev = initEv(&nev[cnt++], timestamp, type, sensor); |
| ev->data[0] = sample->x; |
| ev->data[1] = sample->y; |
| ev->data[2] = sample->z; |
| break; |
| case COMMS_SENSOR_ROTATION_VECTOR: |
| ev = initEv(&nev[cnt++], timestamp, type, sensor); |
| w = sample->x * sample->x + sample->y * sample->y + sample->z * sample->z; |
| if (w < 1.0f) |
| w = sqrt(1.0f - w); |
| else |
| w = 0.0f; |
| ev->data[0] = sample->x; |
| ev->data[1] = sample->y; |
| ev->data[2] = sample->z; |
| ev->data[3] = w; |
| ev->data[4] = (4 - mMagAccuracy) * heading_accuracy; |
| break; |
| case COMMS_SENSOR_GEO_MAG: |
| case COMMS_SENSOR_GAME_ROTATION_VECTOR: |
| ev = initEv(&nev[cnt++], timestamp, type, sensor); |
| w = sample->x * sample->x + sample->y * sample->y + sample->z * sample->z; |
| if (w < 1.0f) |
| w = sqrt(1.0f - w); |
| else |
| w = 0.0f; |
| ev->data[0] = sample->x; |
| ev->data[1] = sample->y; |
| ev->data[2] = sample->z; |
| ev->data[3] = w; |
| break; |
| default: |
| break; |
| } |
| |
| if (cnt > 0) |
| mRing.write(nev, cnt); |
| } |
| |
| void HubConnection::discardInotifyEvent() { |
| // Read & discard an inotify event. We only use the presence of an event as |
| // a trigger to perform the file existence check (for simplicity) |
| if (mInotifyPollIndex >= 0) { |
| char buf[sizeof(struct inotify_event) + NAME_MAX + 1]; |
| int ret = ::read(mPollFds[mInotifyPollIndex].fd, buf, sizeof(buf)); |
| ALOGD("Discarded %d bytes of inotify data", ret); |
| } |
| } |
| |
| void HubConnection::waitOnNanohubLock() { |
| if (mInotifyPollIndex < 0) { |
| return; |
| } |
| struct pollfd *pfd = &mPollFds[mInotifyPollIndex]; |
| |
| // While the lock file exists, poll on the inotify fd (with timeout) |
| while (access(NANOHUB_LOCK_FILE, F_OK) == 0) { |
| ALOGW("Nanohub is locked; blocking read thread"); |
| int ret = poll(pfd, 1, 5000); |
| if ((ret > 0) && (pfd->revents & POLLIN)) { |
| discardInotifyEvent(); |
| } |
| } |
| } |
| |
| void HubConnection::restoreSensorState() |
| { |
| Mutex::Autolock autoLock(mLock); |
| |
| sendCalibrationOffsets(); |
| |
| for (int i = 0; i < NUM_COMMS_SENSORS_PLUS_1; i++) { |
| if (mSensorState[i].sensorType && mSensorState[i].enable) { |
| struct ConfigCmd cmd; |
| |
| initConfigCmd(&cmd, i); |
| |
| ALOGI("restoring: sensor=%d, handle=%d, enable=%d, period=%" PRId64 ", latency=%" PRId64, |
| cmd.sensorType, i, mSensorState[i].enable, frequency_q10_to_period_ns(mSensorState[i].rate), |
| mSensorState[i].latency); |
| |
| int ret = TEMP_FAILURE_RETRY(write(mFd, &cmd, sizeof(cmd))); |
| if (ret != sizeof(cmd)) { |
| ALOGE("failed to send config command to restore sensor %d\n", cmd.sensorType); |
| } |
| |
| cmd.cmd = CONFIG_CMD_FLUSH; |
| |
| for (int j = 0; j < mSensorState[i].flushCnt; j++) { |
| int ret = TEMP_FAILURE_RETRY(write(mFd, &cmd, sizeof(cmd))); |
| if (ret != sizeof(cmd)) { |
| ALOGE("failed to send flush command to sensor %d\n", cmd.sensorType); |
| } |
| } |
| } |
| } |
| |
| mStepCounterOffset = mLastStepCount; |
| } |
| |
| void HubConnection::postOsLog(uint8_t *buf, ssize_t len) |
| { |
| // if len is less than 6, it's either an invalid or an empty log message. |
| if (len < 6) |
| return; |
| |
| buf[len] = 0x00; |
| switch (buf[4]) { |
| case 'E': |
| ALOGE("osLog: %s", &buf[5]); |
| break; |
| case 'W': |
| ALOGW("osLog: %s", &buf[5]); |
| break; |
| case 'I': |
| ALOGI("osLog: %s", &buf[5]); |
| break; |
| case 'D': |
| ALOGD("osLog: %s", &buf[5]); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| ssize_t HubConnection::processBuf(uint8_t *buf, ssize_t len) |
| { |
| struct nAxisEvent *data = (struct nAxisEvent *)buf; |
| uint32_t type, sensor, bias, currSensor; |
| int i, numSamples; |
| bool one, rawThree, three; |
| sensors_event_t ev; |
| uint64_t timestamp; |
| ssize_t ret = 0; |
| |
| if (len >= 4) { |
| ret = sizeof(data->evtType); |
| one = three = rawThree = false; |
| bias = 0; |
| switch (data->evtType) { |
| case OS_LOG_EVENT: |
| postOsLog(buf, len); |
| return 0; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_ACCEL): |
| type = SENSOR_TYPE_ACCELEROMETER; |
| sensor = COMMS_SENSOR_ACCEL; |
| three = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_ACCEL_RAW): |
| type = SENSOR_TYPE_ACCELEROMETER; |
| sensor = COMMS_SENSOR_ACCEL; |
| rawThree = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_GYRO): |
| type = SENSOR_TYPE_GYROSCOPE; |
| sensor = COMMS_SENSOR_GYRO; |
| bias = COMMS_SENSOR_GYRO_BIAS; |
| three = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_MAG): |
| type = SENSOR_TYPE_MAGNETIC_FIELD; |
| sensor = COMMS_SENSOR_MAG; |
| bias = COMMS_SENSOR_MAG_BIAS; |
| three = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_ALS): |
| type = SENSOR_TYPE_LIGHT; |
| sensor = COMMS_SENSOR_LIGHT; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_PROX): |
| type = SENSOR_TYPE_PROXIMITY; |
| sensor = COMMS_SENSOR_PROXIMITY; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_BARO): |
| type = SENSOR_TYPE_PRESSURE; |
| sensor = COMMS_SENSOR_PRESSURE; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_TEMP): |
| type = SENSOR_TYPE_AMBIENT_TEMPERATURE; |
| sensor = COMMS_SENSOR_TEMPERATURE; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_ORIENTATION): |
| type = SENSOR_TYPE_ORIENTATION; |
| sensor = COMMS_SENSOR_ORIENTATION; |
| three = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_WIN_ORIENTATION): |
| type = SENSOR_TYPE_DEVICE_ORIENTATION; |
| sensor = COMMS_SENSOR_WINDOW_ORIENTATION; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_STEP_DETECT): |
| type = SENSOR_TYPE_STEP_DETECTOR; |
| sensor = COMMS_SENSOR_STEP_DETECTOR; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_STEP_COUNT): |
| type = SENSOR_TYPE_STEP_COUNTER; |
| sensor = COMMS_SENSOR_STEP_COUNTER; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_SIG_MOTION): |
| type = SENSOR_TYPE_SIGNIFICANT_MOTION; |
| sensor = COMMS_SENSOR_SIGNIFICANT_MOTION; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_GRAVITY): |
| type = SENSOR_TYPE_GRAVITY; |
| sensor = COMMS_SENSOR_GRAVITY; |
| three = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_LINEAR_ACCEL): |
| type = SENSOR_TYPE_LINEAR_ACCELERATION; |
| sensor = COMMS_SENSOR_LINEAR_ACCEL; |
| three = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_ROTATION_VECTOR): |
| type = SENSOR_TYPE_ROTATION_VECTOR; |
| sensor = COMMS_SENSOR_ROTATION_VECTOR; |
| three = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_GEO_MAG_ROT_VEC): |
| type = SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR; |
| sensor = COMMS_SENSOR_GEO_MAG; |
| three = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_GAME_ROT_VECTOR): |
| type = SENSOR_TYPE_GAME_ROTATION_VECTOR; |
| sensor = COMMS_SENSOR_GAME_ROTATION_VECTOR; |
| three = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_HALL): |
| type = 0; |
| sensor = COMMS_SENSOR_HALL; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_VSYNC): |
| type = SENSOR_TYPE_SYNC; |
| sensor = COMMS_SENSOR_SYNC; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_ACTIVITY): |
| type = 0; |
| sensor = COMMS_SENSOR_ACTIVITY; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_TILT): |
| type = SENSOR_TYPE_TILT_DETECTOR; |
| sensor = COMMS_SENSOR_TILT; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_GESTURE): |
| type = SENSOR_TYPE_PICK_UP_GESTURE; |
| sensor = COMMS_SENSOR_GESTURE; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_DOUBLE_TWIST): |
| type = SENSOR_TYPE_DOUBLE_TWIST; |
| sensor = COMMS_SENSOR_DOUBLE_TWIST; |
| one = true; |
| break; |
| case SENS_TYPE_TO_EVENT(SENS_TYPE_DOUBLE_TAP): |
| type = SENSOR_TYPE_DOUBLE_TAP; |
| sensor = COMMS_SENSOR_DOUBLE_TAP; |
| three = true; |
| break; |
| case EVT_RESET_REASON: |
| uint32_t resetReason; |
| memcpy(&resetReason, data->buffer, sizeof(resetReason)); |
| ALOGI("Observed hub reset: 0x%08" PRIx32, resetReason); |
| restoreSensorState(); |
| return 0; |
| default: |
| return 0; |
| } |
| } |
| |
| if (len >= 16) { |
| ret += sizeof(data->referenceTime); |
| timestamp = data->referenceTime; |
| numSamples = data->firstSample.numSamples; |
| for (i=0; i<numSamples; i++) { |
| if (data->firstSample.biasPresent && data->firstSample.biasSample == i) |
| currSensor = bias; |
| else |
| currSensor = sensor; |
| |
| if (one) { |
| if (i > 0) |
| timestamp += ((uint64_t)data->oneSamples[i].deltaTime) << delta_time_shift_table[data->oneSamples[i].deltaTime & delta_time_encoded]; |
| processSample(timestamp, type, currSensor, &data->oneSamples[i], data->firstSample.highAccuracy); |
| ret += sizeof(data->oneSamples[i]); |
| } else if (rawThree) { |
| if (i > 0) |
| timestamp += ((uint64_t)data->rawThreeSamples[i].deltaTime) << delta_time_shift_table[data->rawThreeSamples[i].deltaTime & delta_time_encoded]; |
| processSample(timestamp, type, currSensor, &data->rawThreeSamples[i], data->firstSample.highAccuracy); |
| ret += sizeof(data->rawThreeSamples[i]); |
| } else if (three) { |
| if (i > 0) |
| timestamp += ((uint64_t)data->threeSamples[i].deltaTime) << delta_time_shift_table[data->threeSamples[i].deltaTime & delta_time_encoded]; |
| processSample(timestamp, type, currSensor, &data->threeSamples[i], data->firstSample.highAccuracy); |
| ret += sizeof(data->threeSamples[i]); |
| } |
| } |
| |
| if (!numSamples) |
| ret += sizeof(data->firstSample); |
| |
| for (i=0; i<data->firstSample.numFlushes; i++) { |
| if (sensor == COMMS_SENSOR_ACTIVITY) { |
| if (mActivityCb != NULL) { |
| (*mActivityCb)(mActivityCbCookie, 0ull, /* when_us */ |
| true, /* is_flush */ |
| 0.0f, 0.0f, 0.0f); |
| } |
| } else { |
| memset(&ev, 0x00, sizeof(sensors_event_t)); |
| ev.version = META_DATA_VERSION; |
| ev.timestamp = 0; |
| ev.type = SENSOR_TYPE_META_DATA; |
| ev.sensor = 0; |
| ev.meta_data.what = META_DATA_FLUSH_COMPLETE; |
| if (mSensorState[sensor].alt && mSensorState[mSensorState[sensor].alt].flushCnt > 0) { |
| mSensorState[mSensorState[sensor].alt].flushCnt --; |
| ev.meta_data.sensor = mSensorState[sensor].alt; |
| } else { |
| mSensorState[sensor].flushCnt --; |
| ev.meta_data.sensor = sensor; |
| } |
| |
| mRing.write(&ev, 1); |
| ALOGI("flushing %d", ev.meta_data.sensor); |
| } |
| } |
| } |
| |
| return ret; |
| } |
| |
| void HubConnection::sendCalibrationOffsets() |
| { |
| sp<JSONObject> settings; |
| sp<JSONObject> saved_settings; |
| int32_t accel[3], gyro[3], proximity, proximity_array[4]; |
| float barometer, mag[3], light; |
| |
| loadSensorSettings(&settings, &saved_settings); |
| |
| if (getCalibrationInt32(settings, "accel", accel, 3)) |
| queueDataInternal(COMMS_SENSOR_ACCEL, accel, sizeof(accel)); |
| |
| if (getCalibrationInt32(settings, "gyro", gyro, 3)) |
| queueDataInternal(COMMS_SENSOR_GYRO, gyro, sizeof(gyro)); |
| |
| if (settings->getFloat("barometer", &barometer)) |
| queueDataInternal(COMMS_SENSOR_PRESSURE, &barometer, sizeof(barometer)); |
| |
| if (settings->getInt32("proximity", &proximity)) |
| queueDataInternal(COMMS_SENSOR_PROXIMITY, &proximity, sizeof(proximity)); |
| |
| if (getCalibrationInt32(settings, "proximity", proximity_array, 4)) |
| queueDataInternal(COMMS_SENSOR_PROXIMITY, proximity_array, sizeof(proximity_array)); |
| |
| if (settings->getFloat("light", &light)) |
| queueDataInternal(COMMS_SENSOR_LIGHT, &light, sizeof(light)); |
| |
| if (getCalibrationFloat(saved_settings, "mag", mag)) |
| queueDataInternal(COMMS_SENSOR_MAG, mag, sizeof(mag)); |
| } |
| |
| bool HubConnection::threadLoop() { |
| ALOGI("threadLoop: starting"); |
| |
| if (mFd < 0) { |
| ALOGE("threadLoop: exiting prematurely: nanohub is unavailable"); |
| return false; |
| } |
| waitOnNanohubLock(); |
| |
| sendCalibrationOffsets(); |
| |
| while (!Thread::exitPending()) { |
| ssize_t ret; |
| |
| do { |
| ret = poll(mPollFds, mNumPollFds, -1); |
| } while (ret < 0 && errno == EINTR); |
| |
| if (mInotifyPollIndex >= 0 && mPollFds[mInotifyPollIndex].revents & POLLIN) { |
| discardInotifyEvent(); |
| waitOnNanohubLock(); |
| } |
| |
| #ifdef USB_MAG_BIAS_REPORTING_ENABLED |
| if (mMagBiasPollIndex >= 0 && mPollFds[mMagBiasPollIndex].revents & POLLERR) { |
| // Read from mag bias file |
| char buf[16]; |
| lseek(mPollFds[mMagBiasPollIndex].fd, 0, SEEK_SET); |
| ::read(mPollFds[mMagBiasPollIndex].fd, buf, 16); |
| float bias = atof(buf); |
| mUsbMagBias = bias; |
| queueUsbMagBias(); |
| } |
| #endif // USB_MAG_BIAS_REPORTING_ENABLED |
| |
| if (mPollFds[0].revents & POLLIN) { |
| uint8_t recv[256]; |
| ssize_t len = ::read(mFd, recv, sizeof(recv)); |
| |
| for (ssize_t offset = 0; offset < len;) { |
| ret = processBuf(recv + offset, len - offset); |
| |
| if (ret > 0) |
| offset += ret; |
| else |
| break; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| ssize_t HubConnection::read(sensors_event_t *ev, size_t size) { |
| return mRing.read(ev, size); |
| } |
| |
| void HubConnection::setActivityCallback( |
| void *cookie, |
| void (*cb)(void *, uint64_t time_ms, bool, float x, float y, float z)) |
| { |
| Mutex::Autolock autoLock(mLock); |
| mActivityCbCookie = cookie; |
| mActivityCb = cb; |
| } |
| |
| void HubConnection::initConfigCmd(struct ConfigCmd *cmd, int handle) |
| { |
| uint8_t alt = mSensorState[handle].alt; |
| |
| memset(cmd, 0x00, sizeof(*cmd)); |
| |
| cmd->evtType = EVT_NO_SENSOR_CONFIG_EVENT; |
| cmd->sensorType = mSensorState[handle].sensorType; |
| |
| if (alt && mSensorState[alt].enable && mSensorState[handle].enable) { |
| cmd->cmd = CONFIG_CMD_ENABLE; |
| if (mSensorState[alt].rate > mSensorState[handle].rate) |
| cmd->rate = mSensorState[alt].rate; |
| else |
| cmd->rate = mSensorState[handle].rate; |
| if (mSensorState[alt].latency < mSensorState[handle].latency) |
| cmd->latency = mSensorState[alt].latency; |
| else |
| cmd->latency = mSensorState[handle].latency; |
| } else if (alt && mSensorState[alt].enable) { |
| cmd->cmd = mSensorState[alt].enable ? CONFIG_CMD_ENABLE : CONFIG_CMD_DISABLE; |
| cmd->rate = mSensorState[alt].rate; |
| cmd->latency = mSensorState[alt].latency; |
| } else { /* !alt || !mSensorState[alt].enable */ |
| cmd->cmd = mSensorState[handle].enable ? CONFIG_CMD_ENABLE : CONFIG_CMD_DISABLE; |
| cmd->rate = mSensorState[handle].rate; |
| cmd->latency = mSensorState[handle].latency; |
| } |
| } |
| |
| void HubConnection::queueActivate(int handle, bool enable) |
| { |
| struct ConfigCmd cmd; |
| int ret; |
| |
| Mutex::Autolock autoLock(mLock); |
| |
| if (mSensorState[handle].sensorType) { |
| mSensorState[handle].enable = enable; |
| |
| initConfigCmd(&cmd, handle); |
| |
| ALOGI("queueActivate: sensor=%d, handle=%d, enable=%d", cmd.sensorType, handle, enable); |
| do { |
| ret = write(mFd, &cmd, sizeof(cmd)); |
| } while(ret != sizeof(cmd)); |
| } else { |
| ALOGI("queueActivate: unhandled handle=%d, enable=%d", handle, enable); |
| } |
| } |
| |
| void HubConnection::queueSetDelay(int handle, nsecs_t sampling_period_ns) |
| { |
| struct ConfigCmd cmd; |
| int ret; |
| |
| Mutex::Autolock autoLock(mLock); |
| |
| if (mSensorState[handle].sensorType) { |
| if (sampling_period_ns > 0 && |
| mSensorState[handle].rate != SENSOR_RATE_ONCHANGE && |
| mSensorState[handle].rate != SENSOR_RATE_ONESHOT) { |
| mSensorState[handle].rate = period_ns_to_frequency_q10(sampling_period_ns); |
| } |
| |
| initConfigCmd(&cmd, handle); |
| |
| ALOGI("queueSetDelay: sensor=%d, handle=%d, period=%" PRId64, |
| cmd.sensorType, handle, sampling_period_ns); |
| do { |
| ret = write(mFd, &cmd, sizeof(cmd)); |
| } while(ret != sizeof(cmd)); |
| } else { |
| ALOGI("queueSetDelay: unhandled handle=%d, period=%" PRId64, handle, sampling_period_ns); |
| } |
| } |
| |
| void HubConnection::queueBatch( |
| int handle, |
| __attribute__((unused)) int flags, |
| nsecs_t sampling_period_ns, |
| nsecs_t max_report_latency_ns) |
| { |
| struct ConfigCmd cmd; |
| int ret; |
| |
| Mutex::Autolock autoLock(mLock); |
| |
| if (mSensorState[handle].sensorType) { |
| if (sampling_period_ns > 0 && |
| mSensorState[handle].rate != SENSOR_RATE_ONCHANGE && |
| mSensorState[handle].rate != SENSOR_RATE_ONESHOT) { |
| mSensorState[handle].rate = period_ns_to_frequency_q10(sampling_period_ns); |
| } |
| mSensorState[handle].latency = max_report_latency_ns; |
| |
| initConfigCmd(&cmd, handle); |
| |
| ALOGI("queueBatch: sensor=%d, handle=%d, period=%" PRId64 ", latency=%" PRId64, |
| cmd.sensorType, handle, sampling_period_ns, max_report_latency_ns); |
| do { |
| ret = write(mFd, &cmd, sizeof(cmd)); |
| } while(ret != sizeof(cmd)); |
| } else { |
| ALOGI("queueBatch: unhandled handle=%d, period=%" PRId64 ", latency=%" PRId64, |
| handle, sampling_period_ns, max_report_latency_ns); |
| } |
| } |
| |
| void HubConnection::queueFlush(int handle) |
| { |
| struct ConfigCmd cmd; |
| int ret; |
| |
| Mutex::Autolock autoLock(mLock); |
| |
| if (mSensorState[handle].sensorType) { |
| mSensorState[handle].flushCnt++; |
| |
| initConfigCmd(&cmd, handle); |
| cmd.cmd = CONFIG_CMD_FLUSH; |
| |
| ALOGI("queueFlush: sensor=%d, handle=%d", cmd.sensorType, handle); |
| do { |
| ret = write(mFd, &cmd, sizeof(cmd)); |
| } while(ret != sizeof(cmd)); |
| } else { |
| ALOGI("queueFlush: unhandled handle=%d", handle); |
| } |
| } |
| |
| void HubConnection::queueDataInternal(int handle, void *data, size_t length) |
| { |
| struct ConfigCmd *cmd = (struct ConfigCmd *)malloc(sizeof(struct ConfigCmd) + length); |
| size_t ret; |
| |
| if (cmd && mSensorState[handle].sensorType) { |
| initConfigCmd(cmd, handle); |
| memcpy(cmd->data, data, length); |
| cmd->cmd = CONFIG_CMD_CFG_DATA; |
| |
| ALOGI("queueData: sensor=%d, length=%zu", cmd->sensorType, length); |
| do { |
| ret = write(mFd, cmd, sizeof(*cmd) + length); |
| } while(ret != sizeof(*cmd) + length); |
| free(cmd); |
| } else { |
| ALOGI("queueData: unhandled handle=%d", handle); |
| } |
| } |
| |
| void HubConnection::queueData(int handle, void *data, size_t length) |
| { |
| Mutex::Autolock autoLock(mLock); |
| queueDataInternal(handle, data, length); |
| } |
| |
| void HubConnection::initNanohubLock() { |
| // Create the lock directory (if it doesn't already exist) |
| if (mkdir(NANOHUB_LOCK_DIR, NANOHUB_LOCK_DIR_PERMS) < 0 && errno != EEXIST) { |
| ALOGE("Couldn't create Nanohub lock directory: %s", strerror(errno)); |
| return; |
| } |
| |
| mInotifyPollIndex = -1; |
| int inotifyFd = inotify_init1(IN_NONBLOCK); |
| if (inotifyFd < 0) { |
| ALOGE("Couldn't initialize inotify: %s", strerror(errno)); |
| } else if (inotify_add_watch(inotifyFd, NANOHUB_LOCK_DIR, IN_CREATE | IN_DELETE) < 0) { |
| ALOGE("Couldn't add inotify watch: %s", strerror(errno)); |
| close(inotifyFd); |
| } else { |
| mPollFds[mNumPollFds].fd = inotifyFd; |
| mPollFds[mNumPollFds].events = POLLIN; |
| mPollFds[mNumPollFds].revents = 0; |
| mInotifyPollIndex = mNumPollFds; |
| mNumPollFds++; |
| } |
| } |
| |
| #ifdef USB_MAG_BIAS_REPORTING_ENABLED |
| void HubConnection::queueUsbMagBias() |
| { |
| struct MsgCmd *cmd = (struct MsgCmd *)malloc(sizeof(struct MsgCmd) + sizeof(float)); |
| size_t ret; |
| |
| if (cmd) { |
| cmd->evtType = EVT_APP_FROM_HOST; |
| cmd->msg.appId = APP_ID_MAKE(APP_ID_VENDOR_GOOGLE, APP_ID_APP_BMI160); |
| cmd->msg.dataLen = sizeof(float); |
| memcpy((float *)(cmd+1), &mUsbMagBias, sizeof(float)); |
| |
| ALOGI("queueUsbMagBias: bias=%f\n", mUsbMagBias); |
| do { |
| ret = write(mFd, cmd, sizeof(*cmd) + sizeof(float)); |
| } while(ret != sizeof(*cmd) + sizeof(float)); |
| free(cmd); |
| } |
| } |
| #endif // USB_MAG_BIAS_REPORTING_ENABLED |
| |
| #ifdef LID_STATE_REPORTING_ENABLED |
| status_t HubConnection::initializeUinputNode() |
| { |
| int ret = 0; |
| |
| // Open uinput dev node |
| mUinputFd = TEMP_FAILURE_RETRY(open("/dev/uinput", O_WRONLY | O_NONBLOCK)); |
| if (mUinputFd < 0) { |
| ALOGE("could not open uinput node: %s", strerror(errno)); |
| return UNKNOWN_ERROR; |
| } |
| |
| // Enable SW_LID events |
| ret = TEMP_FAILURE_RETRY(ioctl(mUinputFd, UI_SET_EVBIT, EV_SW)); |
| ret |= TEMP_FAILURE_RETRY(ioctl(mUinputFd, UI_SET_EVBIT, EV_SYN)); |
| ret |= TEMP_FAILURE_RETRY(ioctl(mUinputFd, UI_SET_SWBIT, SW_LID)); |
| if (ret < 0) { |
| ALOGE("could not send ioctl to uinput node: %s", strerror(errno)); |
| return UNKNOWN_ERROR; |
| } |
| |
| // Create uinput node for SW_LID |
| struct uinput_user_dev uidev; |
| memset(&uidev, 0, sizeof(uidev)); |
| snprintf(uidev.name, UINPUT_MAX_NAME_SIZE, "uinput-folio"); |
| uidev.id.bustype = BUS_SPI; |
| uidev.id.vendor = 0; |
| uidev.id.product = 0; |
| uidev.id.version = 0; |
| |
| ret = TEMP_FAILURE_RETRY(write(mUinputFd, &uidev, sizeof(uidev))); |
| if (ret < 0) { |
| ALOGE("write to uinput node failed: %s", strerror(errno)); |
| return UNKNOWN_ERROR; |
| } |
| |
| ret = TEMP_FAILURE_RETRY(ioctl(mUinputFd, UI_DEV_CREATE)); |
| if (ret < 0) { |
| ALOGE("could not send ioctl to uinput node: %s", strerror(errno)); |
| return UNKNOWN_ERROR; |
| } |
| |
| return OK; |
| } |
| |
| void HubConnection::sendFolioEvent(int32_t data) { |
| ssize_t ret = 0; |
| struct input_event ev; |
| |
| memset(&ev, 0, sizeof(ev)); |
| |
| ev.type = EV_SW; |
| ev.code = SW_LID; |
| ev.value = data; |
| ret = TEMP_FAILURE_RETRY(write(mUinputFd, &ev, sizeof(ev))); |
| if (ret < 0) { |
| ALOGE("write to uinput node failed: %s", strerror(errno)); |
| return; |
| } |
| |
| // Force flush with EV_SYN event |
| ev.type = EV_SYN; |
| ev.code = SYN_REPORT; |
| ev.value = 0; |
| ret = TEMP_FAILURE_RETRY(write(mUinputFd, &ev, sizeof(ev))); |
| if (ret < 0) { |
| ALOGE("write to uinput node failed: %s", strerror(errno)); |
| return; |
| } |
| |
| // Set lid state property |
| if (property_set(LID_STATE_PROPERTY, |
| (data ? LID_STATE_CLOSED : LID_STATE_OPEN)) < 0) { |
| ALOGE("could not set lid_state property"); |
| } |
| } |
| #endif // LID_STATE_REPORTING_ENABLED |
| |
| } // namespace android |
