University of Plymouth - Stages 1, 2 and 3 / Mbed OS ELEC350_1-referral-2018-usb-hid

Example of moving the mouse in mbed-os

Dependencies:   USBDEVICE

Fork of USBKeyboardMouse_with_String_Descriptor by little llumpu

main.cpp@1:d00335a42592, 2018-06-27 (annotated)

Committer:
noutram
Date:
Wed Jun 27 10:18:43 2018 +0000
Revision:
1:d00335a42592
Parent:
0:f97b1f255167 
Demo of a USB HID Mouse

Who changed what in which revision?

UserRevisionLine numberNew contents of line
llumpu 0:f97b1f255167 1 #include "mbed.h"
noutram 1:d00335a42592 2 #include <math.h>
llumpu 0:f97b1f255167 3 #include "USBMouse.h"
llumpu 0:f97b1f255167 4 #include "USBKeyboard.h"
noutram 1:d00335a42592 5 DigitalOut led(LED1);
noutram 1:d00335a42592 6 DigitalIn sw1(USER_BUTTON);
noutram 1:d00335a42592 7 USBMouse mouse; //Default - relative movement
llumpu 0:f97b1f255167 8
noutram 1:d00335a42592 9 int main(void)
noutram 1:d00335a42592 10 {
noutram 1:d00335a42592 11 uint16_t x_center = (X_MAX_ABS - X_MIN_ABS)/2;
noutram 1:d00335a42592 12 uint16_t y_center = (Y_MAX_ABS - Y_MIN_ABS)/2;
noutram 1:d00335a42592 13 int16_t x_screen = 0;
noutram 1:d00335a42592 14 int16_t y_screen = 0;
llumpu 0:f97b1f255167 15
noutram 1:d00335a42592 16 uint32_t x_origin = x_center;
noutram 1:d00335a42592 17 uint32_t y_origin = y_center;
noutram 1:d00335a42592 18
noutram 1:d00335a42592 19 float angle = 0.0;
noutram 1:d00335a42592 20
noutram 1:d00335a42592 21 //set to good known state
noutram 1:d00335a42592 22 mouse.update(x_origin, y_origin, 0, 0);
llumpu 0:f97b1f255167 23
noutram 1:d00335a42592 24 while (1) {
noutram 1:d00335a42592 25 x_screen = 5.0f * cos((double)angle*3.14/180.0);
noutram 1:d00335a42592 26 y_screen = 5.0f * sin((double)angle*3.14/180.0);
noutram 1:d00335a42592 27
noutram 1:d00335a42592 28 mouse.move(x_screen, y_screen);
noutram 1:d00335a42592 29 angle += 3.0f;
noutram 1:d00335a42592 30 wait(0.01);
llumpu 0:f97b1f255167 31 }
llumpu 0:f97b1f255167 32 }