Author |
Message |
Topic: measure period |
pvol
Replies: 7
Views: 6679
|
Forum: General CCS C Discussion Posted: Mon Oct 26, 2009 1:27 pm Subject: measure period |
I receive square signal from my sensor.
Looks like the program never goes to WHILE{ }
I miss something??? |
Topic: measure period |
pvol
Replies: 7
Views: 6679
|
Forum: General CCS C Discussion Posted: Mon Oct 26, 2009 12:56 pm Subject: measure period |
I change it to ms but i don't see any changes.
The problem is that I think somewhere the program has big problem but
I don't know where. I check hardware connections and is ok.
PORTB never lights o ... |
Topic: measure period |
pvol
Replies: 7
Views: 6679
|
Forum: General CCS C Discussion Posted: Mon Oct 26, 2009 11:38 am Subject: measure period |
I change it but without result...
void ccp1_isr(void)
{
int16 temp_ccp;
static int16 prev_ccp = 0;
temp_ccp = CCP_1;
ccpvalue = temp_ccp - prev_ccp;
prev_ccp = temp_ccp;
... |
Topic: measure period |
pvol
Replies: 7
Views: 6679
|
Forum: General CCS C Discussion Posted: Mon Oct 26, 2009 10:39 am Subject: measure period |
hello,
I have a little problem about measure of period from an input signal (square).
The method that I use is CCP1. Below is the code that I use.
I have to notice that this code is copied and m ... |
Topic: split numbers to display |
pvol
Replies: 1
Views: 3827
|
Forum: General CCS C Discussion Posted: Mon Aug 24, 2009 11:30 pm Subject: split numbers to display |
hello ...
I take a value from analog channel.
I want to display that value in separate 7 segment displays.
Is there a way to split value?
Number 345 split to 3 for the first display.
... |
Topic: ccs watching program |
pvol
Replies: 1
Views: 2815
|
Forum: General CCS C Discussion Posted: Tue Feb 24, 2009 6:55 am Subject: ccs watching program |
is there a way to watch program on CCS?
for example ,when i used MPLAB (assembly)
i watched step by step how the program works.
so, can i do this on CCS?
i want to know if my program stack somewhe ... |
Topic: watchdog timer |
pvol
Replies: 1
Views: 2922
|
Forum: General CCS C Discussion Posted: Mon Feb 23, 2009 5:30 am Subject: watchdog timer |
hello ...
i want to know about how watchdog working
on a program
can somebody show me a simple code how i use it? |
Topic: adc problem 18f4620 |
pvol
Replies: 0
Views: 3042
|
Forum: General CCS C Discussion Posted: Thu Jan 01, 2009 12:42 pm Subject: adc problem 18f4620 |
happy new year everyone
I made a program to plot on labview
6 different channels
channel 0,1 POT 1K
channel 2,3,4,5 sensor
I begin from 2 channel then 3 ,4,5..
at the end i put and the ... |
Topic: strange problem on 18f4620 |
pvol
Replies: 10
Views: 13105
|
Forum: General CCS C Discussion Posted: Wed Dec 31, 2008 3:16 am Subject: strange problem on 18f4620 |
well, after a few changes
i conclude that the program don't like RTCC very much
i write interrupt alone and the ADC at while (1)
and runs just fine!!!
#int_rtcc
void rtcc_isr(){
se ... |
Topic: strange problem on 18f4620 |
pvol
Replies: 10
Views: 13105
|
Forum: General CCS C Discussion Posted: Wed Dec 31, 2008 1:45 am Subject: strange problem on 18f4620 |
i change my program and put output_high(PIN_B7)
after printf
so, i see that pulses wasn't steady
i mean ,on 877 shows like a "train" pulse!!
on 4620 i have one pulse even .... i don't ... |
Topic: strange problem on 18f4620 |
pvol
Replies: 10
Views: 13105
|
Forum: General CCS C Discussion Posted: Tue Dec 30, 2008 4:09 pm Subject: strange problem on 18f4620 |
i very thank you!!
i change them as you say
but the problem continues
look..
i have the probe at PINB7
and the scale on osciloscope at 1ms and sometime 0.5ms
and the only thing i see is logic ... |
Topic: strange problem on 18f4620 |
pvol
Replies: 10
Views: 13105
|
Forum: General CCS C Discussion Posted: Tue Dec 30, 2008 3:46 pm Subject: strange problem on 18f4620 |
thanks for reply !!!
can you be more clearly? (my english are not so good to understand u )
what must i look?
is there a problem on code?
.............................................. ... |
Topic: strange problem on 18f4620 |
pvol
Replies: 10
Views: 13105
|
Forum: General CCS C Discussion Posted: Tue Dec 30, 2008 3:23 pm Subject: strange problem on 18f4620 |
this program runs ok on 877 but not on 18f4620
#include <18f4620.h>
#fuses HS,NOWDT,PUT,NOBROWNOUT,NOLVP
#device ADC=10
#use delay (clock=10000000)
#byte portb=6
#byte porta=5
# ... |
Topic: 16bit table |
pvol
Replies: 6
Views: 5890
|
Forum: General CCS C Discussion Posted: Sun Dec 28, 2008 2:21 pm Subject: 16bit table |
thanks for interesting FvM
i'll check it!! |
Topic: 16bit table |
pvol
Replies: 6
Views: 5890
|
Forum: General CCS C Discussion Posted: Sun Dec 28, 2008 12:58 pm Subject: 16bit table |
thanks!
i change i>=25 and works!
but it is something more (i discover it right now)
well, i make two different programs
the first is to take at real time 25 samples (no store) every 0.8ms ... |
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