Maxim Integrated / USBDevice

USB device stack

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USBMouseKeyboard Class Reference
Public Member Functions

USBMouseKeyboard Class Reference

USBMouseKeyboard example. More...

#include <USBMouseKeyboard.h>

Inherits USBHID.

Public Member Functions

 USBMouseKeyboard (MOUSE_TYPE mouse_type=REL_MOUSE, uint16_t vendor_id=0x0021, uint16_t product_id=0x0011, uint16_t product_release=0x0001)
 Constructor.
bool update (int16_t x, int16_t y, uint8_t buttons, int8_t z)
 Write a state of the mouse.
bool move (int16_t x, int16_t y)
 Move the cursor to (x, y)
bool press (uint8_t button)
 Press one or several buttons.
bool release (uint8_t button)
 Release one or several buttons.
bool doubleClick ()
 Double click (MOUSE_LEFT)
bool click (uint8_t button)
 Click.
bool scroll (int8_t z)
 Scrolling.
bool keyCode (uint8_t key, uint8_t modifier=0)
 To send a character defined by a modifier(CTRL, SHIFT, ALT) and the key.
virtual int _putc (int c)
 Send a character.
bool mediaControl (MEDIA_KEY key)
 Control media keys.
uint8_t lockStatus ()
 Read status of lock keys.
bool send (HID_REPORT *report)
 Send a Report.
bool sendNB (HID_REPORT *report)
 Send a Report.
bool read (HID_REPORT *report)
 Read a report: blocking.
bool readNB (HID_REPORT *report)
 Read a report: non blocking.

Detailed Description

USBMouseKeyboard example. 

 #include "mbed.h"
 #include "USBMouseKeyboard.h"

 USBMouseKeyboard key_mouse;

 int main(void)
 {
   while(1)
   {
       key_mouse.move(20, 0);
       key_mouse.printf("Hello From MBED\r\n");
       wait(1);
   }
 }

 #include "mbed.h"
 #include "USBMouseKeyboard.h"

 USBMouseKeyboard key_mouse(ABS_MOUSE);

 int main(void)
 {
   while(1)
   {
       key_mouse.move(X_MAX_ABS/2, Y_MAX_ABS/2);
       key_mouse.printf("Hello from MBED\r\n");
       wait(1);
   }
 }

Definition at line 70 of file USBMouseKeyboard.h.

Constructor & Destructor Documentation

USBMouseKeyboard ( MOUSE_TYPE  mouse_type = REL_MOUSE,
uint16_t  vendor_id = 0x0021,
uint16_t  product_id = 0x0011,
uint16_t  product_release = 0x0001 
)

Constructor.

Parameters:
mouse_typeMouse type: ABS_MOUSE (absolute mouse) or REL_MOUSE (relative mouse) (default: REL_MOUSE)
ledsLeds bus: first: NUM_LOCK, second: CAPS_LOCK, third: SCROLL_LOCK
vendor_idYour vendor_id (default: 0x1234)
product_idYour product_id (default: 0x0001)
product_releaseYour preoduct_release (default: 0x0001)

Definition at line 84 of file USBMouseKeyboard.h.

Member Function Documentation

int _putc ( int  c ) [virtual]

Send a character.

Parameters:
ccharacter to be sent
Returns:
true if there is no error, false otherwise

Definition at line 653 of file USBMouseKeyboard.cpp.

bool click ( uint8_t  button )

Click.

Parameters:
buttonstate of the buttons ( ex: clic(MOUSE_LEFT))
Returns:
true if there is no error, false otherwise

Definition at line 636 of file USBMouseKeyboard.cpp.

bool doubleClick (  )

Double click (MOUSE_LEFT)

Returns:
true if there is no error, false otherwise

Definition at line 629 of file USBMouseKeyboard.cpp.

bool keyCode ( uint8_t  key,
uint8_t  modifier = 0 
)

To send a character defined by a modifier(CTRL, SHIFT, ALT) and the key. 

 //To send CTRL + s (save)
  keyboard.keyCode('s', KEY_CTRL);
Parameters:
modifierbit 0: KEY_CTRL, bit 1: KEY_SHIFT, bit 2: KEY_ALT (default: 0)
keycharacter to send
Returns:
true if there is no error, false otherwise

Definition at line 657 of file USBMouseKeyboard.cpp.

uint8_t lockStatus (  )

Read status of lock keys.

Useful to switch-on/off leds according to key pressed. Only the first three bits of the result is important:

  • First bit: NUM_LOCK
  • Second bit: CAPS_LOCK
  • Third bit: SCROLL_LOCK
Returns:
status of lock keys

Definition at line 565 of file USBMouseKeyboard.cpp.

bool mediaControl ( MEDIA_KEY  key )

Control media keys.

Parameters:
keymedia key pressed (KEY_NEXT_TRACK, KEY_PREVIOUS_TRACK, KEY_STOP, KEY_PLAY_PAUSE, KEY_MUTE, KEY_VOLUME_UP, KEY_VOLUME_DOWN)
Returns:
true if there is no error, false otherwise

Definition at line 690 of file USBMouseKeyboard.cpp.

bool move ( int16_t  x,
int16_t  y 
)

Move the cursor to (x, y)

Parameters:
xx-axis position
yy-axis position
Returns:
true if there is no error, false otherwise

Definition at line 621 of file USBMouseKeyboard.cpp.

bool press ( uint8_t  button )

Press one or several buttons.

Parameters:
buttonbutton state (ex: press(MOUSE_LEFT))
Returns:
true if there is no error, false otherwise

Definition at line 643 of file USBMouseKeyboard.cpp.

bool read ( HID_REPORT *  report ) [inherited]

Read a report: blocking.

Parameters:
reportpointer to the report to fill
Returns:
true if successful

Definition at line 45 of file USBHID.cpp.

bool readNB ( HID_REPORT *  report ) [inherited]

Read a report: non blocking.

Parameters:
reportpointer to the report to fill
Returns:
true if successful

Definition at line 57 of file USBHID.cpp.

bool release ( uint8_t  button )

Release one or several buttons.

Parameters:
buttonbutton state (ex: release(MOUSE_LEFT))
Returns:
true if there is no error, false otherwise

Definition at line 648 of file USBMouseKeyboard.cpp.

bool scroll ( int8_t  z )

Scrolling.

Parameters:
zvalue of the wheel (>0 to go down, <0 to go up)
Returns:
true if there is no error, false otherwise

Definition at line 625 of file USBMouseKeyboard.cpp.

bool send ( HID_REPORT *  report ) [inherited]

Send a Report.

warning: blocking

Parameters:
reportReport which will be sent (a report is defined by all data and the length)
Returns:
true if successful

Definition at line 34 of file USBHID.cpp.

bool sendNB ( HID_REPORT *  report ) [inherited]

Send a Report.

warning: non blocking

Parameters:
reportReport which will be sent (a report is defined by all data and the length)
Returns:
true if successful

Definition at line 39 of file USBHID.cpp.

bool update ( int16_t  x,
int16_t  y,
uint8_t  buttons,
int8_t  z 
)

Write a state of the mouse.

Parameters:
xx-axis position
yy-axis position
buttonsbuttons state (first bit represents MOUSE_LEFT, second bit MOUSE_RIGHT and third bit MOUSE_MIDDLE)
zwheel state (>0 to scroll down, <0 to scroll up)
Returns:
true if there is no error, false otherwise

Definition at line 569 of file USBMouseKeyboard.cpp.

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