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Recent Forum Posts

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

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

i have great reservation that "on interrupt" will be successful @9600 with a 4mhz osc, use dt ints

puts your 690 in a blocking loop until 5 characters have been received, no matter how long it...
richard - 23rd January 2021, 22:26

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

Hi all,

I've made this small program to learn how the EUSART RX interrupt works....and it works BUT :biggrin:

Yes, the code below works but I'm getting confused when I think about having...
flotulopex - 23rd January 2021, 21:40

Re: USB to send ASCII characters to PC

George,
I do not understand where flow control is needed.

Ioannis
Ioannis - 23rd January 2021, 20:21

How To
Microchip Tips and Tricks
by
ScaleRobotics

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Published on - 17th June 2010 18:26 Number of Views: 7323
The link below has the most information about tips and tricks using PIC micro-controllers. The attachment is a smaller version ...

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Presetting Configuration Fuses (PIC Defines) into your Program
by
Melanie

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Published on - 20th May 2010 17:27 Number of Views: 7214
1. What are the Configuration Fuses?
2. How can I preset them in my Program?
2.a. When using MeLabs default ...

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Bits, Bytes Words and Arrays
by
Melanie

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Published on - 23rd April 2010 20:39 Number of Views: 3745
1. How can I reference a BIT in a BYTE?
2. How can I reference a BIT in a WORD?
3. How can I reference a BIT in a BYTE ARRAY?
4. How can I reference a BIT in a WORD ARRAY?
5. How can I reference a BYTE in a WORD ARRAY?
...

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I’m Running Out of CodeSpace, What Can I Do?
by
Melanie

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Published on - 23rd April 2010 20:28 Number of Views: 6470
I’m Running Out of CodeSpace, What can I do?
My progam is too slow - What can I do?

Apart from the obvious and move to a faster PIC with more program memory, there’s a few little known tricks you can try.
...

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