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Thread: [Teensy 4.1] Reading from Serial and creating multi touch events for a screen

  1. #1
    Junior Member
    Join Date
    Jan 2017
    Posts
    12

    [Teensy 4.1] Reading from Serial and creating multi touch events for a screen

    Hi,

    I have a custom multi touch display that supports 4 fingers. This screen comes with its own communication protocol. In order to get the touch to work I need to pull some information from it via serial, then I receive the touch reports and then I have to run my own program to simulate touch events on windows. This works but so far it is a windows-only solution.
    I would like to create a platform independent solution.

    I was thinking of purchasing a Teensy 4.1 (with USB Host Cable) since I need 2 USBs. One to read from the screen and one to connect to the computer.

    Can this idea work? I have used all kinda Teensy before but I am new to multi-touch.
    (by the way I have no way of changing anything on the screen side of things)

    I am also wondering if the USB Host Cable will work with Teensy 4.1 since the title of the page says "USB Host Cable For Teensy 3.6".

  2. #2
    Junior Member
    Join Date
    Oct 2020
    Posts
    10
    Quote Originally Posted by alborz View Post
    Hi,

    I have a custom multi touch display that supports 4 fingers. This screen comes with its own communication protocol. In order to get the touch to work I need to pull some information from it via serial, then I receive the touch reports and then I have to run my own program to simulate touch events on windows. This works but so far it is a windows-only solution.
    I would like to create a platform independent solution.

    I was thinking of purchasing a Teensy 4.1 (with USB Host Cable) since I need 2 USBs. One to read from the screen and one to connect to the computer.

    Can this idea work? I have used all kinda Teensy before but I am new to multi-touch.
    (by the way I have no way of changing anything on the screen side of things)

    I am also wondering if the USB Host Cable will work with Teensy 4.1 since the title of the page says "USB Host Cable For Teensy 3.6".
    Also interested in a similar solution, did anyone find any solution to this?

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