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hi here is the output of only the HUB (nothing attached) to it. USB Host Testing USB2 PLL running reset waited 6 USBHS_ASYNCLISTADDR = 0 USBHS_PERIODICLISTBASE = 20007000 periodictable = 20007000 port change: 10001803 connect begin reset port change: 18001205 port enabled end recovery...

hi thanks for the reply but its not the scanner when i connect it directly to the teensy (without HUB) it works great. i only get this error when i have a USB hub in between.

hi and thanks for the reply i tried to add a 3rd HUB object but i got the same result, it seems the teensy freezes. so the serial monitior shows nothing. i uncomment #define USBHOST_PRINT_DEBUG now i see the teensy does not freeze but it locks up inside a loop and i get: if i unplug the...

hi thanks for the replay. but as i sad above i used: sorry here is the code: //============================================================================= // Simple test viewer app for several of the USB devices on a display // This sketch as well as all others in this library will only work...

hi all can someone help me. i have: teensy 4.1, usb cable, usb hub (7port with power adaptor), keyboard, mouse, honeywell 1400G scanner sketch: USBHost_viewer.ino (yes i also have the ili9341 connected) when i connect everything seperate to the usb cable it all works fine no issues. but when i...

uhmm realy strange its working again. only when i use tft.useFrameBuffer(true); the screen output is garbled again.

i made a pcb 1 year ago that can fit a ILI9341 been playing with it for a year never had a issue. 1 month ago i did something stupid and broke the teensy 4.1 so i got a new one. which worked well for a month with the ILI9341 but somehow the ILI9341 stopped displaying anything. so i went in to...