Dependencies:   ChaNFSSD mbed ChaNFS

USBDevice/USBHID/USBMouseKeyboard.h

Committer:
okini3939
Date:
2011-11-10
Revision:
1:efbcfbae4747
Parent:
0:02c293160df3

File content as of revision 1:efbcfbae4747:

/* USBMouseKeyboard.h */
/* USB device example: Keyboard with a relative mouse */
/* Copyright (c) 2011 ARM Limited. All rights reserved. */

#ifndef USBMOUSEKEYBOARD_H
#define USBMOUSEKEYBOARD_H

#define REPORT_ID_KEYBOARD 1
#define REPORT_ID_MOUSE 2
#define REPORT_ID_VOLUME 3

#include "USBMouse.h"
#include "USBKeyboard.h"
#include "Stream.h"
#include "USBHID.h"

/** 
 * USBMouseKeyboard example
 * @code
 *
 * #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);
 *   }
 * }
 * @endcode
 *
 *
 * @code
 *
 * #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);
 *   }
 * }
 * @endcode
 */
class USBMouseKeyboard: public USBHID, public Stream
{
    public:
    
        /**
        *   Constructor
        *
        * @param mouse_type Mouse type: ABS_MOUSE (absolute mouse) or REL_MOUSE (relative mouse) (default: REL_MOUSE)
        * @param vendor_id Your vendor_id (default: 0x1234)
        * @param product_id Your product_id (default: 0x0001)
        * @param product_release Your preoduct_release (default: 0x0001)
        *
        */
        USBMouseKeyboard(MOUSE_TYPE mouse_type = REL_MOUSE, uint16_t vendor_id = 0x0021, uint16_t product_id = 0x0011, uint16_t product_release = 0x0001): 
            USBHID(0, 0, vendor_id, product_id, product_release)
            {
                button = 0;
                this->mouse_type = mouse_type;
            };
        
        
        /**
        * Write a state of the mouse
        *
        * @param x x-axis position
        * @param y y-axis position
        * @param buttons buttons state (first bit represents MOUSE_LEFT, second bit MOUSE_RIGHT and third bit MOUSE_MIDDLE)
        * @param z wheel state (>0 to scroll down, <0 to scroll up)
        * @returns true if there is no error, false otherwise
        */
        bool update(int16_t x, int16_t y, uint8_t buttons, int8_t z);
        
        
        /**
        * Move the cursor to (x, y)
        *
        * @param x x-axis position
        * @param y y-axis position
        * @returns true if there is no error, false otherwise
        */
        bool move(int16_t x, int16_t y);
        
        /**
        * Press one or several buttons
        *
        * @param button button state (ex: press(MOUSE_LEFT))
        * @returns true if there is no error, false otherwise
        */
        bool press(uint8_t button);
        
        /**
        * Release one or several buttons
        *
        * @param button button state (ex: release(MOUSE_LEFT))
        * @returns true if there is no error, false otherwise
        */
        bool release(uint8_t button);
        
        /**
        * Double click (MOUSE_LEFT)
        *
        * @returns true if there is no error, false otherwise
        */
        bool doubleClick();
        
        /**
        * Click
        *
        * @param button state of the buttons ( ex: clic(MOUSE_LEFT))
        * @returns true if there is no error, false otherwise
        */
        bool click(uint8_t button); 
        
        /**
        * Scrolling
        *
        * @param z value of the wheel (>0 to go down, <0 to go up)
        * @returns true if there is no error, false otherwise
        */
        bool scroll(int8_t z);

        /**
        * To send a character defined by a modifier(CTRL, SHIFT, ALT) and the key 
        *
        * @code
        * //To send CTRL + s (save)
        *  keyboard.keyCode('s', KEY_CTRL);
        * @endcode
        *
        * @param modifier bit 0: KEY_CTRL, bit 1: KEY_SHIFT, bit 2: KEY_ALT (default: 0)
        * @param key character to send
        * @returns true if there is no error, false otherwise
        */
        bool keyCode(uint8_t key, uint8_t modifier = 0);
        
        /**
        * Send a character
        *
        * @param c character to be sent
        * @returns true if there is no error, false otherwise
        */
        virtual int _putc(int c);
        
        /**
        * Control media keys
        *
        * @param key media 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
        */
        bool mediaControl(MEDIA_KEY key);
        
        /*
        * To define the report descriptor. Warning: this method has to store the length of the report descriptor in reportLength.
        *
        * @returns pointer to the report descriptor
        */
        virtual uint8_t * reportDesc();
        
        
    private:
        bool mouseWrite(int8_t x, int8_t y, uint8_t buttons, int8_t z);
        MOUSE_TYPE mouse_type;
        uint8_t button;
        bool mouseSend(int8_t x, int8_t y, uint8_t buttons, int8_t z);
        
        //dummy otherwise it doesn,t compile (we must define all methods of an abstract class)
        virtual int _getc() { return -1;}
};

#endif