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Maybe a dombe solution,

why don't switchoff the sonar until it is needed.

save's a lot of power.

Gerrrit

Hi Tavioman,

Maybe the wrong text but this is the rotary switch I use.
just software decoding.

http://www.farnell.com/datasheets/48122.pdf

Gerrit.

Hi Ttelmah,

This was just for going the discusion going. I know that 80 instructions is not mutch for the interrupt handler and the main program.
But I'm confinsed that you can do a lot of stuff i ...

80 instructions is mutch.
use the high level interupt, own handler no globals in interupt, fast save work registers, I think this woud leave you 60-70 instructions for software.

regards,

Gerrit

What do you have to do in this interupt.

80 instruction is a lot.

Gerrit

Hi wb505,

take a look at fputc(data, port);

gerrit

Hello Mark,

I thought it would come to this. Only this solution makes me less flexible
in adding members to the structure.

I will think it over and try to make somethink that fits my needs

T ...

I'm using a 18F6622 micro.

Sorry for not mentioning.

I want to access som const char arrays indirect via a structure.

I need to memcpy or memmove data from some location in the const char arr ...

How do I build the next structure

const char test_A[1024] = {0,0,0.......};
const char test_AA[95] = {0,0,0.......};

const char test_B[1024] = {0,0,0.......};
const char test_BB[95] = {0,0,0.. ...

Hi Eugeneo,

How long do you want it to be alive?

(self discharge battery)

http://en.wikipedia.org/wiki/Nickel_metal_hydride

"Nickel metal hydride batteries have a high self-discharge rate ...

Hi Gon,

Try looking at overrun error serial port.

Or make your own interupt handler for serial communication.

Search the forum for ringbuffer en oer (overrun error)

Goodluck,

Gerrit

Humberto,

Thanks for explaining it. But for me the second question was a little
bit different intend.

what I want to know is can I drain power from a micro pin when it is in
sleep mode

Hi all,

Some hardware question. I'm doing a project with battery, micro and
clock chip.
I have to do power saving.
first, Can I switch the ds1307 from my microchip controler on/off (using b ...

Is it not that for receiving the pic samples 3 time's and
the PC samples 16 time's.

So a receive failure is done faster on a pic than on a PC.

I would measure the absolute bit time of the PIC ...

Hi,

Wouldn't it be a problem with ceramic resonator.

I think that it is not accurate.

Gerrit