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| LidarLitePWM (const char *path, uint8_t rotation=distance_sensor_s::ROTATION_DOWNWARD_FACING) |
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int | init () override |
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| ssize_t | read (device::file_t *filp, char *buffer, size_t buflen) override |
| | Perform a read from the device. More...
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int | ioctl (device::file_t *filp, int cmd, unsigned long arg) override |
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void | start () override |
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void | stop () override |
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void | cycle () |
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void | print_info () override |
| | Diagnostics - print some basic information about the driver.
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void | print_registers () override |
| | print registers to console
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const char * | get_dev_name () override |
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| | CDev (const char *devname) |
| | Constructor. More...
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| virtual int | open (file_t *filep) |
| | Handle an open of the device. More...
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| virtual int | close (file_t *filep) |
| | Handle a close of the device. More...
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| virtual ssize_t | write (file_t *filep, const char *buffer, size_t buflen) |
| | Perform a write to the device. More...
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| virtual off_t | seek (file_t *filep, off_t offset, int whence) |
| | Perform a logical seek operation on the device. More...
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| virtual int | poll (file_t *filep, px4_pollfd_struct_t *fds, bool setup) |
| | Perform a poll setup/teardown operation. More...
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| const char * | get_devname () const |
| | Get the device name. More...
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| static void | cycle_trampoline (void *arg) |
| | Static trampoline from the workq context; because we don't have a generic workq wrapper yet. More...
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int | measure () override |
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int | collect () override |
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int | reset_sensor () override |
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void | task_main_trampoline (int argc, char *argv[]) |
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void | set_minimum_distance (const float min) |
| | Set the min and max distance thresholds if you want the end points of the sensors range to be brought in at all, otherwise it will use the defaults LL40LS_MIN_DISTANCE and LL40LS_MAX_DISTANCE_V3.
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void | set_maximum_distance (const float max) |
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float | get_minimum_distance () const |
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float | get_maximum_distance () const |
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uint32_t | getMeasureTicks () const |
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| virtual pollevent_t | poll_state (file_t *filep) |
| | Check the current state of the device for poll events from the perspective of the file. More...
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| virtual void | poll_notify (pollevent_t events) |
| | Report new poll events. More...
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| virtual void | poll_notify_one (px4_pollfd_struct_t *fds, pollevent_t events) |
| | Internal implementation of poll_notify. More...
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| virtual int | open_first (file_t *filep) |
| | Notification of the first open. More...
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| virtual int | close_last (file_t *filep) |
| | Notification of the last close. More...
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| virtual int | register_class_devname (const char *class_devname) |
| | Register a class device name, automatically adding device class instance suffix if need be. More...
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| virtual int | unregister_class_devname (const char *class_devname, unsigned class_instance) |
| | Register a class device name, automatically adding device class instance suffix if need be. More...
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| void | lock () |
| | Take the driver lock. More...
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void | unlock () |
| | Release the driver lock.
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px4_sem_t | _lock |
| | lock to protect access to all class members (also for derived classes)
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static const px4_file_operations_t | fops = {} |
| | Pointer to the default cdev file operations table; useful for registering clone devices etc.
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§ cycle_trampoline()
| void LidarLitePWM::cycle_trampoline |
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void * |
arg | ) |
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static |
Static trampoline from the workq context; because we don't have a generic workq wrapper yet.
- Parameters
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| arg | Instance pointer for the driver that is polling. |
§ read()
| ssize_t LidarLitePWM::read |
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device::file_t * |
filep, |
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char * |
buffer, |
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size_t |
buflen |
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) |
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overridevirtual |
Perform a read from the device.
The default implementation returns -ENOSYS.
- Parameters
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| filep | Pointer to the NuttX file structure. |
| buffer | Pointer to the buffer into which data should be placed. |
| buflen | The number of bytes to be read. |
- Returns
- The number of bytes read or -errno otherwise.
Reimplemented from cdev::CDev.
The documentation for this class was generated from the following files:
- src/drivers/distance_sensor/ll40ls/LidarLitePWM.h
- src/drivers/distance_sensor/ll40ls/LidarLitePWM.cpp
Public Member Functions inherited from cdev::CDev