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  Topic: Small AC Signal input protection
luisjoserod

Replies: 9
Views: 19509

PostForum: General CCS C Discussion   Posted: Mon Oct 14, 2019 8:16 am   Subject: Small AC Signal input protection
Hi, i've been reading you all and make this:

[img]https://imgur.com/2OPZ7MG[/img]

R10 and R11 are for offset,

Can you give me any feed back on my design?

Thanks
  Topic: Small AC Signal input protection
luisjoserod

Replies: 9
Views: 19509

PostForum: General CCS C Discussion   Posted: Fri Sep 27, 2019 1:46 pm   Subject: Small AC Signal input protection
Hi, I've been reading this https://www.ccsinfo.com/forum/viewtopic.php?p=127332 but still don't sure if it's ok to apply something like this to my purpose.

My ideal signal is a 5Vpp @ 1khz , then b ...
  Topic: About RMS Calculation without offset
luisjoserod

Replies: 14
Views: 29858

PostForum: General CCS C Discussion   Posted: Wed Aug 14, 2019 3:40 pm   Subject: About RMS Calculation without offset
Cool Here's the optimized code:
#include <16F876A.h>
#fuses HS,NOWDT,NOLVP
#device adc=8
#use delay(clock=20000000)
#use rs232(baud=9600,xmit=PIN_C6,rcv=PIN_C7,parity=N)
...
  Topic: About RMS Calculation without offset
luisjoserod

Replies: 14
Views: 29858

PostForum: General CCS C Discussion   Posted: Wed Aug 14, 2019 5:20 am   Subject: About RMS Calculation without offset
Thanks temtronic,

I will consider your recommendations when doing the practice on the ProjectBoard.

Ttelmah, you're right.
I'd been reading a lot these days, but not sure if i understand what ...
  Topic: About RMS Calculation without offset
luisjoserod

Replies: 14
Views: 29858

PostForum: General CCS C Discussion   Posted: Mon Aug 12, 2019 2:44 am   Subject: About RMS Calculation without offset
Thanks guys! Problem solved Very Happy

for a sinusoidal input @ 1khz without offset gives 1.82, 1.66, 1.77, 1.79. Any suggestion about how to make it more solid/stable?
  Topic: About RMS Calculation without offset
luisjoserod

Replies: 14
Views: 29858

PostForum: General CCS C Discussion   Posted: Sun Aug 11, 2019 4:39 pm   Subject: About RMS Calculation without offset
Wink Thanks for your beautiful answers,

By now i'm working only on the simulator so there's no noise related events.
Following your suggestions, i just have done a test.
Instead of calculating ...
  Topic: About RMS Calculation without offset
luisjoserod

Replies: 14
Views: 29858

PostForum: General CCS C Discussion   Posted: Sun Aug 11, 2019 11:19 am   Subject: About RMS Calculation without offset
Hello there,

I'm trying to adaptate the example ex_rmsdb.c for my current project, i managed to run perfectly this way:


#include <16F876A.h>
#fuses HS,NOWDT,NOLVP
#device adc=8
#use d ...
  Topic: Constantly doing different setups for Timers
luisjoserod

Replies: 5
Views: 13616

PostForum: General CCS C Discussion   Posted: Fri Feb 22, 2019 3:09 pm   Subject: Constantly doing different setups for Timers
Thanks you Very Happy
  Topic: Constantly doing different setups for Timers
luisjoserod

Replies: 5
Views: 13616

PostForum: General CCS C Discussion   Posted: Fri Feb 22, 2019 2:47 pm   Subject: Constantly doing different setups for Timers
No, i'm not saying the fuses affects the timers.
I remember you recommended other user
not to mess with fuses because of what PCM Programmer says.

i was wondering if something analogue
happens w ...
  Topic: Constantly doing different setups for Timers
luisjoserod

Replies: 5
Views: 13616

PostForum: General CCS C Discussion   Posted: Fri Feb 22, 2019 6:58 am   Subject: Constantly doing different setups for Timers
Hello, i know that changing FUSES it's a totally BAD idea..

But i wonder if anything could go wrong if i do different setups
for timer on different situations, it could short the Life-Time of the ...
  Topic: Sampling both 1kHz and very slow Signals ADC
luisjoserod

Replies: 7
Views: 17040

PostForum: General CCS C Discussion   Posted: Fri Feb 15, 2019 6:50 pm   Subject: Sampling both 1kHz and very slow Signals ADC
Your last message was very helpful Idea

Now it sounds as if you are talking about wanting to read other ADC
channels?
Actually, yes.

I would like to have one command for sampling channel 0 ...
  Topic: Sampling both 1kHz and very slow Signals ADC
luisjoserod

Replies: 7
Views: 17040

PostForum: General CCS C Discussion   Posted: Thu Feb 14, 2019 7:41 pm   Subject: Sampling both 1kHz and very slow Signals ADC
Thanks Ttelmah and temtronic, you're awesome Very Happy

The 8bit ADC setting seturns the top 8bits of the ADC register. Exactly the same as you will get by rotating by two bits.

I really appreciate ...
  Topic: TIMER0 PROBLEM
luisjoserod

Replies: 3
Views: 11479

PostForum: General CCS C Discussion   Posted: Thu Feb 14, 2019 10:30 am   Subject: TIMER0 PROBLEM
Thanks guys!

I will avoid the use of Timers for my project,
following the recommendations on Ttelmah on
this other thread:
https://www.ccsinfo.com/forum/viewtopic.php?p=222513#222513
  Topic: Sampling both 1kHz and very slow Signals ADC
luisjoserod

Replies: 7
Views: 17040

PostForum: General CCS C Discussion   Posted: Thu Feb 14, 2019 10:21 am   Subject: Sampling both 1kHz and very slow Signals ADC
Thanks for your beautiful answer and fast response! Cool
I was really starting to feel desperated about it.
But now it's more clear to me how to get this done.

In order to do a succesful com ...
  Topic: TIMER0 PROBLEM
luisjoserod

Replies: 3
Views: 11479

PostForum: General CCS C Discussion   Posted: Wed Feb 13, 2019 6:25 pm   Subject: TIMER0 PROBLEM
Hello guys, i'm using this code:


#include <16F876A.h>
#FUSES NOWDT
#FUSES XT
#FUSES PUT
#FUSES NOPROTECT ...
 
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