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docs/pyboard: Emphasize the instructions for making a USB mouse. 

It wasn't clear why that element was `10` instead of `0`.  Also bumped the
`10` to `100` to make the mouse movement more obvious.
pull/4994/merge
Vicki Lowe 2019-08-06 17:34:34 +10:00 zatwierdzone przez Damien George
rodzic d5a7741606
commit afd10a4531
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docs/pyboard/tutorial/usb_mouse.rst
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@ -39,14 +39,15 @@ Sending mouse events by hand
To get the py-mouse to do anything we need to send mouse events to the PC.
We will first do this manually using the REPL prompt. Connect to your
pyboard using your serial program and type the following::
pyboard using your serial program and type the following (no need to type
the ``#`` and text following it)::
>>> hid = pyb.USB_HID()
>>> hid.send((0, 10, 0, 0))
>>> hid.send((0, 100, 0, 0)) # (button status, x-direction, y-direction, scroll)
Your mouse should move 10 pixels to the right! In the command above you
are sending 4 pieces of information: button status, x, y and scroll. The
number 10 is telling the PC that the mouse moved 10 pixels in the x direction.
Your mouse should move 100 pixels to the right! In the command above you
are sending 4 pieces of information: **button status**, **x-direction**, **y-direction**, and **scroll**. The
number 100 is telling the PC that the mouse moved 100 pixels in the x direction.
Let's make the mouse oscillate left and right::