Uses a Sparkfun Thumb Joystick to control the X and Y coordinate returned from the mbed device acting as a HID based absolute mouse.
main.cpp@2:ceb3218c3229, 2011-12-07 (annotated)
- Committer:
- AdamGreen
- Date:
- Wed Dec 07 07:27:31 2011 +0000
- Revision:
- 2:ceb3218c3229
- Parent:
- 0:b2c327d045a2
Modified to work with analog thumbstick and updated to latest mbed libraries.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AdamGreen | 0:b2c327d045a2 | 1 | /* Copyright 2011 Adam Green (http://mbed.org/users/AdamGreen/) |
AdamGreen | 0:b2c327d045a2 | 2 | |
AdamGreen | 0:b2c327d045a2 | 3 | Licensed under the Apache License, Version 2.0 (the "License"); |
AdamGreen | 0:b2c327d045a2 | 4 | you may not use this file except in compliance with the License. |
AdamGreen | 0:b2c327d045a2 | 5 | You may obtain a copy of the License at |
AdamGreen | 0:b2c327d045a2 | 6 | |
AdamGreen | 0:b2c327d045a2 | 7 | http://www.apache.org/licenses/LICENSE-2.0 |
AdamGreen | 0:b2c327d045a2 | 8 | |
AdamGreen | 0:b2c327d045a2 | 9 | Unless required by applicable law or agreed to in writing, software |
AdamGreen | 0:b2c327d045a2 | 10 | distributed under the License is distributed on an "AS IS" BASIS, |
AdamGreen | 0:b2c327d045a2 | 11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
AdamGreen | 0:b2c327d045a2 | 12 | See the License for the specific language governing permissions and |
AdamGreen | 0:b2c327d045a2 | 13 | limitations under the License. |
AdamGreen | 0:b2c327d045a2 | 14 | */ |
AdamGreen | 2:ceb3218c3229 | 15 | /* Uses a Sparkfun Thumb Joystick to control the X and Y coordinate returned |
AdamGreen | 2:ceb3218c3229 | 16 | from the mbed device acting as a HID based absolute mouse. |
AdamGreen | 2:ceb3218c3229 | 17 | |
AdamGreen | 2:ceb3218c3229 | 18 | More information about the analog joystick and associated breakout board can |
AdamGreen | 2:ceb3218c3229 | 19 | be found at the following URL: http://www.sparkfun.com/products/10433 |
AdamGreen | 2:ceb3218c3229 | 20 | |
AdamGreen | 2:ceb3218c3229 | 21 | Connections |
AdamGreen | 2:ceb3218c3229 | 22 | +-------------------+---------------+ |
AdamGreen | 2:ceb3218c3229 | 23 | | Joystick Breakout | mbed | |
AdamGreen | 2:ceb3218c3229 | 24 | | VCC | pin 40 - VOUT | |
AdamGreen | 2:ceb3218c3229 | 25 | | VERT | pin 15 - p15 | |
AdamGreen | 2:ceb3218c3229 | 26 | | HORZ | pin 16 - p16 | |
AdamGreen | 2:ceb3218c3229 | 27 | | SEL | Not Connected | |
AdamGreen | 2:ceb3218c3229 | 28 | | GND | pin 1 - GND | |
AdamGreen | 2:ceb3218c3229 | 29 | +-------------------+---------------+ |
AdamGreen | 2:ceb3218c3229 | 30 | |
AdamGreen | 2:ceb3218c3229 | 31 | The following notebook page shows how to connect a SparkFun USB breakout |
AdamGreen | 2:ceb3218c3229 | 32 | board to mbed pin 31 (D+) & pin 32 (D-). |
AdamGreen | 2:ceb3218c3229 | 33 | http://mbed.org/users/romilly/notebook/unboxing-the-lpc11u24/ |
AdamGreen | 2:ceb3218c3229 | 34 | |
AdamGreen | 2:ceb3218c3229 | 35 | Notebook page describing this program can be found here: |
AdamGreen | 2:ceb3218c3229 | 36 | http://mbed.org/users/romilly/notebook/unboxing-the-lpc11u24/ |
AdamGreen | 0:b2c327d045a2 | 37 | */ |
AdamGreen | 0:b2c327d045a2 | 38 | #include <mbed.h> |
AdamGreen | 0:b2c327d045a2 | 39 | #include <USBMouse.h> |
AdamGreen | 0:b2c327d045a2 | 40 | |
AdamGreen | 0:b2c327d045a2 | 41 | int main(void) |
AdamGreen | 0:b2c327d045a2 | 42 | { |
AdamGreen | 0:b2c327d045a2 | 43 | static const float Width = (float)(X_MAX_ABS - X_MIN_ABS); |
AdamGreen | 0:b2c327d045a2 | 44 | static const float Height = (float)(Y_MAX_ABS - Y_MIN_ABS); |
AdamGreen | 0:b2c327d045a2 | 45 | AnalogIn AnalogX(p15); |
AdamGreen | 0:b2c327d045a2 | 46 | AnalogIn AnalogY(p16); |
AdamGreen | 0:b2c327d045a2 | 47 | USBMouse Mouse(ABS_MOUSE); |
AdamGreen | 0:b2c327d045a2 | 48 | |
AdamGreen | 0:b2c327d045a2 | 49 | while (1) |
AdamGreen | 0:b2c327d045a2 | 50 | { |
AdamGreen | 0:b2c327d045a2 | 51 | float AnalogXReading = AnalogX.read(); |
AdamGreen | 2:ceb3218c3229 | 52 | float AnalogYReading = 1.0f - AnalogY.read(); |
AdamGreen | 0:b2c327d045a2 | 53 | |
AdamGreen | 0:b2c327d045a2 | 54 | uint16_t X = X_MIN_ABS + (uint16_t)(Width * AnalogXReading); |
AdamGreen | 0:b2c327d045a2 | 55 | uint16_t Y = Y_MIN_ABS + (uint16_t)(Height * AnalogYReading); |
AdamGreen | 0:b2c327d045a2 | 56 | |
AdamGreen | 0:b2c327d045a2 | 57 | Mouse.move(X, Y); |
AdamGreen | 0:b2c327d045a2 | 58 | wait(0.01f); |
AdamGreen | 0:b2c327d045a2 | 59 | } |
AdamGreen | 0:b2c327d045a2 | 60 | } |