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  • LERAY's Avatar
    04-21-2020, 04:22 PM
    I have only 4 wires on the USB cable, the mass is connected to the 4th pin of the 3.6 As Pins 4 and 5 are connected on th TEENSY 3.6. Here is my connector :
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-21-2020, 01:17 PM
    Thanks ! I hope the I/O will be contiguous in the 4.1 ! What kind of touchscreens did you tried ?
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-21-2020, 12:15 PM
    Hello Paul, As you have a new project TEENSY 5 ?(congratulations !) could you : -provide contiguous 3x8 bits in right order. If possible in the same order as the internal registers. (I can't use TEENSY 4 due to the...
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-20-2020, 02:00 PM
    I tried with a 1A USB power supply. Same problem. Anyway, I think that the internal USB modules of the touchscreens have there own power supply, as they are inside the screen, supplied by the 220V of the grid via a...
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-20-2020, 10:14 AM
    I tried to track the code : after println("periodictable = There is a call to attachInterruptvector which fails with ASUS or LG screens NO MORE MESSAGE. Runs correctly with BUYDISPLAY screen ! Thanks for your help.
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-08-2020, 04:34 PM
    I tried with a simple mouse, but the output monitor stops at : periodictable = 1FFF6000 Nothing after
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-07-2020, 06:33 PM
    If it was only a simple connection problem, my program would'nt run with one display(as the Buydisplay10") and not with other displays. I tried both with and without HUB, and the result is the same : Running fine with...
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-07-2020, 02:35 PM
    Thanks. I tried to connect a HUB but the red lights of the Hub are off. (ON as usual on any PC). Maybe it's void, but maybe the 5V supply current of the TEENSY USB host is unsufficient ? Or maybe one can don't care...
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-07-2020, 11:43 AM
    Here is the detailed infos concerning the LG USB Touchscreen. Extracted thanks to the USBdeview.exe software which outputs all USB infos : Maybe this could help ? DEVICE NAME LG TS2009F-USB ...
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-05-2020, 09:02 AM
    Thanks, Kurt, Indeed, when the USB port of the touchscreen is connected to a real PC, the mouse moves on the PC screen following the touch of the touchscreen. Even if there is no video in the touchscreen input. I...
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-04-2020, 03:38 PM
    DEBUG with teh BUYDISPLAY SCREEN 10' HDMI and VGA DUMP DEBUG : USB Host Testing 960 sizeof Device = 36 sizeof Pipe = 96 sizeof Transfer = 64 power up USBHS PHY
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-04-2020, 02:57 PM
    I tried with a VGA LG 15" Touchscreen and a VGA-HDMI display ASUS VT207 Same result. Nothing after : periodictable 1FFF6000 But if I connect these screens to a standard USB/PC port, the mouse of the PC is running...
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-04-2020, 02:00 PM
    I tried but I receive the same results up to periodictable 1FFF6000
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-04-2020, 09:30 AM
    Thanks, Kurt Concerning the screens, I think that except the low cost 10' Buydisplay screen which is running fine, all standard HDMI or VGA Touchscreens have the same problem. I uncommented the # define as you...
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-04-2020, 09:26 AM
    Thanks, Kurt. Concerning the screens, I think that any standard HDMI or VGA touchscreen have the same problem. Except the Buydisplay 10' which is another kind of low cost display with flat ribbon. I uncomment the...
    103 replies | 17591 view(s)
  • LERAY's Avatar
    04-03-2020, 12:27 PM
    Hi all, I'm using a TEENSY 3.6. Trying to use the USB Host port as a Touchscreen input. Running fine with a touchscreen display such as the 10' BUYDISPLAY touchscreen. But when I'm trying with a touchscreen monitor...
    103 replies | 17591 view(s)
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About LERAY

Basic Information

About LERAY
Biography:
Doctor Engineer University of Paris
3D computer graphics research manager
3D Flight simulators.
Location:
Rians in Provence, France
Interests:
3D computer graphics, Architecture, Pipe organs, Virtual pipe organs
Occupation:
R&D for organbuilders

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Teensy 3.6 USB Host support 04-21-2020 04:22 PM
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05-29-2020 08:39 AM
Join Date
02-12-2015