Maxim Integrated / USBDevice

USB device stack

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USBMouse Class Reference
Public Member Functions

USBMouse Class Reference

USBMouse example. More...

#include <USBMouse.h>

Inherits USBHID.

Public Member Functions

 USBMouse (MOUSE_TYPE mouse_type=REL_MOUSE, uint16_t vendor_id=0x1234, uint16_t product_id=0x0001, 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 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

USBMouse example. 

 #include "mbed.h"
 #include "USBMouse.h"

 USBMouse mouse;

 int main(void)
 {
   while (1)
   {
      mouse.move(20, 0);
      wait(0.5);
   }
 }

 #include "mbed.h"
 #include "USBMouse.h"
 #include <math.h>

 USBMouse mouse(ABS_MOUSE);

 int main(void)
 {
   uint16_t x_center = (X_MAX_ABS - X_MIN_ABS)/2;
   uint16_t y_center = (Y_MAX_ABS - Y_MIN_ABS)/2;
   uint16_t x_screen = 0;
   uint16_t y_screen = 0;

   uint32_t x_origin = x_center;
   uint32_t y_origin = y_center;
   uint32_t radius = 5000;
   uint32_t angle = 0;

   while (1)
   {
       x_screen = x_origin + cos((double)angle*3.14/180.0)*radius;
       y_screen = y_origin + sin((double)angle*3.14/180.0)*radius;

       mouse.move(x_screen, y_screen);
       angle += 3;
       wait(0.01);
   }
 }

Definition at line 107 of file USBMouse.h.

Constructor & Destructor Documentation

USBMouse ( MOUSE_TYPE  mouse_type = REL_MOUSE,
uint16_t  vendor_id = 0x1234,
uint16_t  product_id = 0x0001,
uint16_t  product_release = 0x0001 
)

Constructor.

Parameters:
mouse_typeMouse type: ABS_MOUSE (absolute mouse) or REL_MOUSE (relative mouse) (default: REL_MOUSE)
vendor_idYour vendor_id (default: 0x1234)
product_idYour product_id (default: 0x0001)
product_releaseYour preoduct_release (default: 0x0001)

Definition at line 120 of file USBMouse.h.

Member Function Documentation

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 88 of file USBMouse.cpp.

bool doubleClick (  )

Double click (MOUSE_LEFT)

Returns:
true if there is no error, false otherwise

Definition at line 81 of file USBMouse.cpp.

bool move ( int16_t  x,
int16_t  y 
)

Move the cursor to (x, y)

Parameters:
x-axisposition
y-axisposition
Returns:
true if there is no error, false otherwise

Definition at line 72 of file USBMouse.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 95 of file USBMouse.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 100 of file USBMouse.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 76 of file USBMouse.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 22 of file USBMouse.cpp.

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