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TinyUsbCdc Class Reference
Inheritance diagram for TinyUsbCdc:
Node Singleton< TinyUsbCdc > Device FileIO Stm32UsbCdc

Classes

class  UsbDeviceThread
 Thread for running the tiny usb device stack. More...
 

Public Member Functions

 TinyUsbCdc (const char *name)
 
void hw_postinit ()
 
void rx_available ()
 
void tx_complete ()
 
- Public Member Functions inherited from Device
 Device (const char *name)
 Constructor.
 
virtual ~Device ()
 Destructor.
 

Private Member Functions

void enable () override
 This will be called once when reference-count goes from 0 to positive.
 
void disable () override
 This will be called when reference count goes from non-zero to 0.
 
void flush_buffers () override
 Instructs the device driver to drop all TX and RX queues.
 
bool select (File *file, int mode) override
 Device select method.
 
ssize_t read (File *file, void *buf, size_t count) override
 Read from a file or device.
 
ssize_t write (File *file, const void *buf, size_t count) override
 Write to a file or device.
 

Private Attributes

TinyUsbCdc::UsbDeviceThread usbdThread_
 
Device::SelectInfo selectInfoRead_
 Handles the select for incoming data (read).
 
Device::SelectInfo selectInfoWrite_
 Handles the select for outgoing data (write).
 

Additional Inherited Members

- Static Public Member Functions inherited from Device
static int open (struct _reent *reent, const char *path, int flags, int mode)
 Open a file or device.
 
static int close (struct _reent *reent, int fd)
 Close a file or device.
 
static int stat (struct _reent *reent, const char *path, struct stat *stat)
 Get the status information of a file or device.
 
static int select (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, long long timeout)
 POSIX select().
 
static void select_clear ()
 Clears the current thread's select bits.
 
- Static Public Member Functions inherited from FileIO
static ssize_t read (struct _reent *reent, int fd, void *buf, size_t count)
 Read from a file or device.
 
static ssize_t write (struct _reent *reent, int fd, const void *buf, size_t count)
 Write to a file or device.
 
static _off_t lseek (struct _reent *reent, int fd, _off_t offset, int whence)
 Change the offset index of a file or device.
 
static int fstat (struct _reent *reent, int fd, struct stat *stat)
 Get the status information of a file or device.
 
static int ioctl (int fd, unsigned long int key, unsigned long data)
 Request and ioctl transaction.
 
static int fcntl (int fd, int cmd, unsigned long data)
 Manipulate a file descriptor.
 
static bool is_device (int fd)
 Test if the file descriptor belongs to a device.
 
- Static Public Member Functions inherited from Singleton< TinyUsbCdc >
static TinyUsbCdcinstance ()
 
static bool exists ()
 
- Protected Member Functions inherited from Node
 Node (const char *name)
 Constructor.
 
virtual ~Node ()
 Destructor.
 
int open (File *, const char *, int, int) OVERRIDE
 Open method.
 
int close (File *) OVERRIDE
 Close method.
 
virtual int fstat (File *file, struct stat *stat) override
 Get the status information of a file or device.
 
- Protected Member Functions inherited from FileIO
 FileIO (const char *name)
 Constructor.
 
virtual ~FileIO ()
 Destructor.
 
virtual off_t lseek (File *f, off_t offset, int whence)
 Seek method.
 
virtual int ioctl (File *file, unsigned long int key, unsigned long data)
 Request an ioctl transaction.
 
virtual int fcntl (File *file, int cmd, unsigned long data)
 Manipulate a file descriptor.
 
- Static Protected Member Functions inherited from Device
static void select_insert (SelectInfo *info)
 Add client to list of clients needing woken.
 
static void select_wakeup (SelectInfo *info)
 Wakeup the list of clients needing woken.
 
static void select_wakeup_from_isr (SelectInfo *info, int *woken)
 Wakeup the list of clients needing woken.
 
- Static Protected Member Functions inherited from FileIO
static int fd_alloc (void)
 Allocate a free file descriptor.
 
static void fd_free (int fd)
 Free up a file descriptor.
 
static Filefile_lookup (int fd)
 Looks up a reference to a File corresponding to a given file descriptor.
 
static int fd_lookup (File *file)
 Looks up a file descriptor corresponding to a given File reference.
 
- Protected Attributes inherited from Node
OSMutex lock_
 protects internal structures.
 
mode_t mode_
 File open mode, such as O_NONBLOCK.
 
unsigned int references_
 number of open references
 
- Protected Attributes inherited from FileIO
const char * name
 device name
 
- Static Protected Attributes inherited from FileIO
static const unsigned int numOpenFiles = 20
 
static File files []
 File descriptor pool.
 
static OSMutex mutex
 mutual exclusion for fileio
 

Detailed Description

Definition at line 41 of file TinyUsbCdc.hxx.

Constructor & Destructor Documentation

◆ TinyUsbCdc()

TinyUsbCdc::TinyUsbCdc ( const char *  name)
inline

Definition at line 44 of file TinyUsbCdc.hxx.

◆ ~TinyUsbCdc()

TinyUsbCdc::~TinyUsbCdc ( )

Definition at line 55 of file TinyUsbCdcImpl.hxx.

Member Function Documentation

◆ disable()

void TinyUsbCdc::disable ( )
inlineoverrideprivatevirtual

This will be called when reference count goes from non-zero to 0.

Called with lock_ held.

Implements Node.

Definition at line 61 of file TinyUsbCdc.hxx.

◆ enable()

void TinyUsbCdc::enable ( )
inlineoverrideprivatevirtual

This will be called once when reference-count goes from 0 to positive.

Called with lock_ held.

Implements Node.

Definition at line 58 of file TinyUsbCdc.hxx.

◆ flush_buffers()

void TinyUsbCdc::flush_buffers ( )
inlineoverrideprivatevirtual

Instructs the device driver to drop all TX and RX queues.

This is called after disable() still under the device lock.

Implements Node.

Definition at line 64 of file TinyUsbCdc.hxx.

◆ hw_postinit()

void TinyUsbCdc::hw_postinit ( )

Definition at line 59 of file TinyUsbCdcImpl.hxx.

◆ read()

ssize_t TinyUsbCdc::read ( File file,
void *  buf,
size_t  count 
)
overrideprivatevirtual

Read from a file or device.

Parameters
filefile reference for this device
buflocation to place read data
countnumber of bytes to read
Returns
number of bytes read upon success, -1 upon failure with errno containing the cause

Implements FileIO.

Definition at line 83 of file TinyUsbCdcImpl.hxx.

◆ rx_available()

void TinyUsbCdc::rx_available ( )
inline

Definition at line 219 of file TinyUsbCdcImpl.hxx.

◆ select()

bool TinyUsbCdc::select ( File file,
int  mode 
)
overrideprivatevirtual

Device select method.

Default impementation returns true.

Parameters
filereference to the file
modeFREAD for read active, FWRITE for write active, 0 for exceptions
Returns
true if active, false if inactive

Reimplemented from FileIO.

Definition at line 182 of file TinyUsbCdcImpl.hxx.

◆ tx_complete()

void TinyUsbCdc::tx_complete ( )
inline

Definition at line 224 of file TinyUsbCdcImpl.hxx.

◆ write()

ssize_t TinyUsbCdc::write ( File file,
const void *  buf,
size_t  count 
)
overrideprivatevirtual

Write to a file or device.

Parameters
filefile reference for this device
buflocation to find write data
countnumber of bytes to write
Returns
number of bytes written upon success, -1 upon failure with errno containing the cause

Implements FileIO.

Definition at line 127 of file TinyUsbCdcImpl.hxx.

Member Data Documentation

◆ selectInfoRead_

Device::SelectInfo TinyUsbCdc::selectInfoRead_
private

Handles the select for incoming data (read).

Definition at line 102 of file TinyUsbCdc.hxx.

◆ selectInfoWrite_

Device::SelectInfo TinyUsbCdc::selectInfoWrite_
private

Handles the select for outgoing data (write).

Definition at line 105 of file TinyUsbCdc.hxx.


The documentation for this class was generated from the following files: