Uses a Sparkfun Thumb Joystick to control the X and Y coordinate returned from the mbed device acting as a HID based absolute mouse.

Dependencies:  

main.cpp

Committer:
AdamGreen
Date:
2011-11-18
Revision:
0:b2c327d045a2
Child:
2:ceb3218c3229

File content as of revision 0:b2c327d045a2:

 /* Copyright 2011 Adam Green (http://mbed.org/users/AdamGreen/)

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
/* Uses two 10k potentiometers conntected to AnalogIn pins 15 and 16 to
   control the X and Y coordinate returned from the mbed device which is
   acting as HID based absolute mouse.
*/
#include <mbed.h>
#include <USBMouse.h>

 int main(void)
 {
    static const float      Width = (float)(X_MAX_ABS - X_MIN_ABS);
    static const float      Height = (float)(Y_MAX_ABS - Y_MIN_ABS);
    AnalogIn                AnalogX(p15);
    AnalogIn                AnalogY(p16);
    USBMouse                Mouse(ABS_MOUSE);
   
    while (1)
    {
        float AnalogXReading = AnalogX.read();
        float AnalogYReading = AnalogY.read();

        uint16_t X = X_MIN_ABS + (uint16_t)(Width * AnalogXReading);
        uint16_t Y = Y_MIN_ABS + (uint16_t)(Height * AnalogYReading);
        
        Mouse.move(X, Y);
        wait(0.01f);
    }
 }