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| Search found 24 matches |
| Author | Message |
|---|---|
 Topic: fix time for the interrupt |
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| viknes1985 Replies: 2 Views: 3362 |
 Forum: General CCS C Discussion Posted: Wed Mar 11, 2009 2:50 pm Subject: fix time for the interrupt |
| hi,
i've some problem with interrupt. This what i wanted, i enable the interrupt, after it execute for X times, i disable it. So first i used a while loop to wait till the interrupt to be finish. ... |
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| Topic: Timing issue |
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| viknes1985 Replies: 6 Views: 5120 |
Forum: General CCS C Discussion Posted: Mon Mar 09, 2009 12:37 pm Subject: enabling is seems to ok |
| Hi Ttelmah,
i'm using RBIE #byte INTCON = 0x00B #bit RBIE = INTCON.3 //int_rb enable/disable do i still need to enable INT_RB in main? as you may see, i enabling the interrupt only at cert ... |
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| Topic: Timing issue |
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| viknes1985 Replies: 6 Views: 5120 |
Forum: General CCS C Discussion Posted: Mon Mar 09, 2009 10:49 am Subject: read the pulse status |
| Using interrupt coz alot of problem, using fast i/o solved the problem.... | |
| Topic: Timing issue |
|
| viknes1985 Replies: 6 Views: 5120 |
Forum: General CCS C Discussion Posted: Mon Mar 09, 2009 9:58 am Subject: i'm using int_rb |
| Hi Ttelmah,
I tried as you said, but the bit is always high. Clarification : I'm using int_rb to detect the changes in B4 (PIN_B4), so I used set_tris(0x10); Basically I want to get the bi ... |
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| Topic: Timing issue |
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| viknes1985 Replies: 6 Views: 5120 |
Forum: General CCS C Discussion Posted: Thu Mar 05, 2009 4:01 am Subject: thanks |
| thanks for the quick reply Ttelmah. | |
| Topic: Timing issue |
|
| viknes1985 Replies: 6 Views: 5120 |
Forum: General CCS C Discussion Posted: Thu Mar 05, 2009 2:54 am Subject: Timing issue |
| i wanted to read a pin's state.
1. current_bit = PORTB read all the bits and evaluate PIN_B0 (believe this is do faster reading) or 2. current_bit = input(PIN_B0) i worry abou ... |
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| Topic: PIC16F877A programming |
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| viknes1985 Replies: 10 Views: 9689 |
Forum: General CCS C Discussion Posted: Thu Mar 05, 2009 2:45 am Subject: it would be clock counter |
| it would return oscillator counter.
for timer 0 (rtcc) : 0 - 255 |
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| Topic: Manchester Code Reader |
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| viknes1985 Replies: 17 Views: 20821 |
Forum: General CCS C Discussion Posted: Thu Feb 26, 2009 11:33 pm Subject: my output |
| I getting
FF FF FF FF FF FF FF FF apparently i guess, shift_left cannot be used at here. If it shifted to left, the MSB will lost. Am i right? I tried "rotate_left (address, bytes)& ... |
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| Topic: Manchester Code Reader |
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| viknes1985 Replies: 17 Views: 20821 |
Forum: General CCS C Discussion Posted: Wed Feb 25, 2009 10:02 pm Subject: Stuck at here |
| #asm
rlf STAC+7,f rlf STAC+6,f rlf STAC+5,f rlf STAC+4,f rlf STAC+3,f r ... |
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| Topic: How does this code work? |
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| viknes1985 Replies: 5 Views: 4320 |
Forum: General CCS C Discussion Posted: Mon Feb 16, 2009 11:02 pm Subject: read the input |
| Thanks Ttelmah and FvM. You're right FvM, the posted code is to get the input from the device. What i don't understand is, whenever the rotation of the arrays takes place, how does the nearby arrays ... | |
| Topic: How does this code work? |
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| viknes1985 Replies: 5 Views: 4320 |
Forum: General CCS C Discussion Posted: Mon Feb 16, 2009 12:26 pm Subject: How does this code work? |
| Can anyone tell me, how this code is run?
static byte datas; datas = PORTB; #define MASK_INPUT 0x10 //this code looped 64 times, on every interrupt CARRY = (datas & MASK_I ... |
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| Topic: Manchester Code Reader |
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| viknes1985 Replies: 17 Views: 20821 |
Forum: General CCS C Discussion Posted: Fri Feb 06, 2009 9:14 am Subject: anyone |
| anyone can help me to find where's my code problem. Why it's not working? | |
| Topic: Read Manchester.... Where's the Problem? |
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| viknes1985 Replies: 4 Views: 6870 |
Forum: General CCS C Discussion Posted: Sun Feb 01, 2009 10:07 am Subject: Yes it is |
| Yes I aware that it won't work in CCS. It's different language. Meant to say, i extract the c code from those code. Here, i wish to start over since alot of problems.
#include <16F877a.h> #f ... |
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| Topic: Read Manchester.... Where's the Problem? |
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| viknes1985 Replies: 4 Views: 6870 |
Forum: General CCS C Discussion Posted: Sun Feb 01, 2009 4:46 am Subject: Interrupter |
| Is My reader function (#int_RB) will function only once or everytime when there's a change port B4 to B7?
program ManReceive6; label do_sample, sync1; // a litle bit of unpopular labe ... |
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| Topic: Read Manchester.... Where's the Problem? |
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| viknes1985 Replies: 4 Views: 6870 |
Forum: General CCS C Discussion Posted: Sun Feb 01, 2009 3:33 am Subject: Read Manchester.... Where's the Problem? |
| If using interrupt to read the code, it gives more problems. Since the pulses are in 90 us to 100 us... Better to use fast io | |
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