topic Re: Mouse cursor moves automatically in LPC Microcontrollers

Mouse cursor moves automatically

FreKa — Wed, 21 Dec 2022 11:38:46 GMT

Hello, I do my first steps with LPCExpresso55S69. When I connect the USB cable of the LPCExpresso55S69 board to my notebook and the demo program starts running, the mouse pointer automatically moves in a rectangle on the screen. If I plugged the USB cable out, the cursor stopps. Who can help in this problem ? What can I do ?

Re: Mouse cursor moves automatically

ErichStyger — Wed, 21 Dec 2022 11:52:22 GMT

That's probable the USB HID (Mouse) program running on that board. The demo emulates a mouse and moves the cursor in a rectangle around.

Re: Mouse cursor moves automatically

FreKa — Wed, 21 Dec 2022 12:00:52 GMT

Ok, I thought the demo programme only concerned the LED and the buttons. How can I stop it so that I can load my own programmes ? When the cursor is moving it is hardly possible.

Re: Mouse cursor moves automatically

ErichStyger — Wed, 21 Dec 2022 12:07:35 GMT

do not plug in the board on the device USB port. Use the debug USB (label Debug Link) port instead.