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Recent Forum Posts

Re: USB to send ASCII characters to PC

Unfortunately I am not qualified to write PC apps... Too pity that once I started to do things in C (command line environment) and a little Visual Basic 6 but did not evolve on that.

Thanks...
Ioannis Today, 14:05

Re: USB to send ASCII characters to PC

Are you writing a windows app? If so you can use those control lines to allow your hardware to tx. BTW hope I'm not teaching you to suck eggs but although you might assume that pressing CapsLock...
towlerg Today, 11:07

No emails since December

It seems that since early November I do not receive any email notifications about new posts of the threads that I am subscribed.

Any one else having the same problem?

Before posting this, I...
Ioannis Today, 09:07

Re: USB to send ASCII characters to PC

Yes, the focus is a thing that bothers me and I wish I knew a way to deal with it.

If for any reason (and windows has a lot, I am sure) the focus is lost, data entry is lost too...
Ioannis Today, 00:18

Re: HSERIN using EUSART RX interrupt - how does it really work?

Thanks Henrik, thanks Richard.

I have some homework to do following your info :)
flotulopex Yesterday, 21:11

Re: HSERIN using EUSART RX interrupt - how does it really work?

probably not , on interrupt is not suitable for processing async data streams in any useful way without flow control
if there is a "real" foreground task being processed incurring data loss is...
richard Yesterday, 12:04

Re: HSERIN using EUSART RX interrupt - how does it really work?

First, there's the actual shiftregister into which the data is shifted bit-by-bit as it's received. You don't have access to this register (AFAIK).
Once the correct number of bits have been shifted...
HenrikOlsson Yesterday, 12:01

HSERIN using EUSART RX interrupt - how does it really work?

Thank you Richard,

Actually, my program works on a 8MHz basis - it should be more than enough to handle 9600bps serial data, no?

I'd like to stick to the very basics since I'm not an...
flotulopex Yesterday, 11:22

Re: USB to send ASCII characters to PC

As you will be creating another keyboard, any output will be sent to what ever window has focus.
towlerg Yesterday, 09:41

Re: HSERIN using EUSART RX interrupt - how does it really work?

since most chips have a rxbuffer you could also take advantage of

ISR:
rx_hit=1
while pir1.5
sdata[rx_count]=RCREG
rx_count=rx_count+1
if rx_count==5...
richard - 23rd January 2021, 22:34

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