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What is USB ? #482088
12/21/20 23:16
12/21/20 23:16
Joined: Oct 2008
Posts: 341
ratz Offline OP
Senior Member
ratz  Offline OP
Senior Member

Joined: Oct 2008
Posts: 341
Dear Developers, i have an question...

for 5 minutes.., i was looking for an PhsyX function in the Manual Book....
so i scroll down and see the PART: usb...

what is it ? sounds like you can controll your USB port... O.o

Is this the same as like, what in the past was the old RS232 and LPT-Com1/2 port ?,
where you Put an LED in LPT1: pin 1 and 19 than write in your c/c++program: printf (Com1, 0x01f) and compile laugh ... there will/was be light grin | 0x00f = was off
- or use it as Relais for small electric-systems grin

for many years i was buying an USB to LPT cable and i want it do again (+unlook Port, ect)...
but the Interet says: it doesnt work yet because c/c++ can't controll USB Port only , you need an usb driver in your code and a special usb stick, ect...

now i am confused^^

Last edited by ratz; 12/21/20 23:24.
Re: What is USB ? [Re: ratz] #482101
12/23/20 22:22
12/23/20 22:22
Joined: Jan 2002
Posts: 4,225
Germany / Essen
Uhrwerk Offline
Uhrwerk  Offline

Joined: Jan 2002
Posts: 4,225
Germany / Essen

Always learn from history, to be sure you make the same mistakes again...

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