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| Search found 15 matches |
| Author | Message |
|---|---|
 Topic: wrong uart reading in 18F4431 |
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| andredurao Replies: 6 Views: 5456 |
 Forum: General CCS C Discussion Posted: Mon Apr 14, 2008 7:58 am Subject: Re: wrong uart reading in 18F4431 |
| strange... I tried to simulatte 18f4431 and my version of proteus didn't have the simulator model for that device,....wich version are you using? | |
| Topic: dspic33f speech recognition |
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| andredurao Replies: 1 Views: 3314 |
Forum: General CCS C Discussion Posted: Mon Mar 10, 2008 6:36 am Subject: dspic33f speech recognition |
| I don't know much about speech recognition too
but Microchip have a free library to use with dspics. If you want to build your own you will need a neural network using function like hidden markov ... |
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| Topic: I want to insert the degree symbol into the GLCD 128X64 |
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| andredurao Replies: 3 Views: 5109 |
Forum: General CCS C Discussion Posted: Sat Mar 01, 2008 5:56 am Subject: I want to insert the degree symbol into the GLCD 128X64 |
| You'll have to draw it..
increase one line in const BYTE TEXT2 with the followin values.... 0b00000000, 0b00011100, 0b00100010, 0b00100010, 0b00011100 and print this char (#127, or you may ... |
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| Topic: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
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| andredurao Replies: 16 Views: 21601 |
Forum: General CCS C Discussion Posted: Thu Feb 28, 2008 7:32 am Subject: trying one more time |
| Hi once again I'm here asking for help =)
now I've changed my code accord "Chipedit.exe" tool and configured QEICON again, the code it's working at the same way BUT I've noticed one ... |
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| Topic: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
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| andredurao Replies: 16 Views: 21601 |
Forum: General CCS C Discussion Posted: Fri Feb 22, 2008 7:05 am Subject: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
| Well, I changed no NOLVP and back to program normally
and to fuses PUT well at first sight nothing seemed to changed but I noticed that qeicnt variable starts to increase but not all the times ... |
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| Topic: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
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| andredurao Replies: 16 Views: 21601 |
Forum: General CCS C Discussion Posted: Thu Feb 21, 2008 7:46 pm Subject: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
| thanks again kenny
well, about HS and XT it's already in HS you may see in the header, that I didn't change... about LVP I've used that because in datasheet it asks to use low voltage programming ... |
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| Topic: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
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| andredurao Replies: 16 Views: 21601 |
Forum: General CCS C Discussion Posted: Thu Feb 21, 2008 8:40 am Subject: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
| I guess I starting to understand what is happening
have one optical encoder 200 pulses per revolution Even when I turn encoder in the just one direction CW or CCW the direction change interruptio ... |
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| Topic: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
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| andredurao Replies: 16 Views: 21601 |
Forum: General CCS C Discussion Posted: Thu Feb 21, 2008 5:43 am Subject: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
| Hi Kenny, thanks for the reply
I tought that the problem could be the printf too so I've added a "\f" at the begin of the string but not changed I've tried your code(below) but it kee ... |
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| Topic: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
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| andredurao Replies: 16 Views: 21601 |
Forum: General CCS C Discussion Posted: Wed Feb 20, 2008 5:30 am Subject: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
| Thanks Kenny for the reply, but doesn't CAP2BUF and POSCNT are both in the same addresses?
what differs is that "CAP2BUF is enabled as POSCNT when QEI mode is active." is that right? ... |
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| Topic: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
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| andredurao Replies: 16 Views: 21601 |
Forum: General CCS C Discussion Posted: Tue Feb 19, 2008 6:35 pm Subject: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
Any rags, any bones, any bottles today?  |
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| Topic: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
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| andredurao Replies: 16 Views: 21601 |
Forum: General CCS C Discussion Posted: Mon Feb 18, 2008 6:55 pm Subject: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
| once again now I'm sending the code that worked I had no troubles with interrupts thanks for the help....
But now something different is happening.. I've got the interrupts working, but the inte ... |
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| Topic: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
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| andredurao Replies: 16 Views: 21601 |
Forum: General CCS C Discussion Posted: Thu Feb 14, 2008 6:30 pm Subject: pic18f4431 QEI mismatch Direction of Rotation Status Bit |
| Hi!
Does anybody know if the delay_ms function call in lcd.c may disable an interrupt to be called? I've read this in another topic but I couldn't find the topic anymore.. It explains about ext ... |
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| Topic: on-change interrupt and rotatory encoder |
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| andredurao Replies: 6 Views: 6881 |
Forum: General CCS C Discussion Posted: Thu Aug 31, 2006 7:32 pm Subject: on-change interrupt and rotatory encoder |
| I'm using a 512 pulse per revolution encoder, exactly like you said
I'll consider using the 7474 so I can divide the train pulse and do less interrupts, I guess that is your suggestion. About the ... |
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| Topic: on-change interrupt and rotatory encoder |
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| andredurao Replies: 6 Views: 6881 |
Forum: General CCS C Discussion Posted: Thu Aug 31, 2006 2:42 pm Subject: on-change interrupt and rotatory encoder |
| thanks Ttelmah, I've read your replies in other topics in this subject.
I didn't realize that the "quadrature" term is related with this realy =) =) thanks for that! So I'll try to coun ... |
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| Topic: on-change interrupt and rotatory encoder |
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| andredurao Replies: 6 Views: 6881 |
Forum: General CCS C Discussion Posted: Thu Aug 31, 2006 7:15 am Subject: on-change interrupt and rotatory encoder |
| I have this code running in a pic18f452, the interrupt code seems to be ok
when i turn the encoder CW the value increases and CCW it decreases, but the problem is that when I turn 1 round it counts ... |
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